Update runtime files
[MacVim.git] / src / configure.in
blobad00d42b8e2f6e83e97119cad6a503befdc4142c
1 dnl configure.in: autoconf script for Vim
3 dnl Process this file with autoconf 2.12 or 2.13 to produce "configure".
4 dnl Should also work with autoconf 2.54 and later.
6 AC_INIT(vim.h)
7 AC_CONFIG_HEADER(auto/config.h:config.h.in)
9 dnl Being able to run configure means the system is Unix (compatible).
10 AC_DEFINE(UNIX)
11 AC_PROG_MAKE_SET
13 dnl Checks for programs.
14 AC_PROG_CC      dnl required by almost everything
15 AC_PROG_CPP     dnl required by header file checks
16 AC_PROGRAM_EGREP dnl required by AC_EGREP_CPP
17 AC_ISC_POSIX    dnl required by AC_C_CROSS
18 AC_PROG_AWK     dnl required for "make html" in ../doc
20 dnl Don't strip if we don't have it
21 AC_CHECK_PROG(STRIP, strip, strip, :)
23 dnl Check for extension of executables
24 AC_EXEEXT
26 dnl Check for standard headers.  We don't use this in Vim but other stuff
27 dnl in autoconf needs it, where it uses STDC_HEADERS.
28 AC_HEADER_STDC
29 AC_HEADER_SYS_WAIT
31 dnl Set default value for CFLAGS if none is defined or it's empty
32 if test -z "$CFLAGS"; then
33   CFLAGS="-O"
34   test "$GCC" = yes && CFLAGS="-O2 -fno-strength-reduce -Wall"
36 if test "$GCC" = yes; then
37   dnl method that should work for nearly all versions
38   gccversion=`"$CC" -dumpversion`
39   if test "x$gccversion" = "x"; then
40     dnl old method; fall-back for when -dumpversion doesn't work
41     gccversion=`"$CC" --version | sed -e '2,$d' -e 's/darwin.//' -e 's/^[[^0-9]]*\([[0-9]]\.[[0-9.]]*\).*$/\1/g'`
42   fi
43   dnl version 4.0.1 was reported to cause trouble on Macintosh by Marcin Dalecki
44   if test "$gccversion" = "3.0.1" -o "$gccversion" = "3.0.2" -o "$gccversion" = "4.0.1"; then
45     echo 'GCC [[34]].0.[[12]] has a bug in the optimizer, disabling "-O#"'
46     CFLAGS=`echo "$CFLAGS" | sed 's/-O[[23456789]]/-O/'`
47   else
48     if test "$gccversion" = "3.1" -o "$gccversion" = "3.2" -o "$gccversion" = "3.2.1" && `echo "$CFLAGS" | grep -v fno-strength-reduce >/dev/null`; then
49       echo 'GCC 3.1 and 3.2 have a bug in the optimizer, adding "-fno-strength-reduce"'
50       CFLAGS="$CFLAGS -fno-strength-reduce"
51     fi
52   fi
55 dnl If configure thinks we are cross compiling, there might be something
56 dnl wrong with the CC or CFLAGS settings, give a useful warning message
57 if test "$cross_compiling" = yes; then
58   AC_MSG_RESULT([cannot compile a simple program; if not cross compiling check CC and CFLAGS])
61 dnl gcc-cpp has the wonderful -MM option to produce nicer dependencies.
62 dnl But gcc 3.1 changed the meaning!  See near the end.
63 test "$GCC" = yes && CPP_MM=M; AC_SUBST(CPP_MM)
65 if test -f ./toolcheck; then
66   AC_CHECKING(for buggy tools)
67   sh ./toolcheck 1>&AC_FD_MSG
70 OS_EXTRA_SRC=""; OS_EXTRA_OBJ=""
72 dnl Check for BeOS, which needs an extra source file
73 AC_MSG_CHECKING(for BeOS)
74 case `uname` in
75     BeOS)       OS_EXTRA_SRC=os_beos.c; OS_EXTRA_OBJ=objects/os_beos.o
76                 BEOS=yes; AC_MSG_RESULT(yes);;
77     *)          BEOS=no; AC_MSG_RESULT(no);;
78 esac
80 dnl If QNX is found, assume we don't want to use Xphoton
81 dnl unless it was specifically asked for (--with-x)
82 AC_MSG_CHECKING(for QNX)
83 case `uname` in
84     QNX)        OS_EXTRA_SRC=os_qnx.c; OS_EXTRA_OBJ=objects/os_qnx.o
85                 test -z "$with_x" && with_x=no
86                 QNX=yes; AC_MSG_RESULT(yes);;
87     *)          QNX=no; AC_MSG_RESULT(no);;
88 esac
90 dnl Check for Darwin and MacOS X
91 dnl We do a check for MacOS X in the very beginning because there
92 dnl are a lot of other things we need to change besides GUI stuff
93 AC_MSG_CHECKING([for Darwin (Mac OS X)])
94 if test "`(uname) 2>/dev/null`" = Darwin; then
95   AC_MSG_RESULT(yes)
97   AC_MSG_CHECKING(--disable-darwin argument)
98   AC_ARG_ENABLE(darwin,
99           [  --disable-darwin        Disable Darwin (Mac OS X) support.],
100           , [enable_darwin="yes"])
101   if test "$enable_darwin" = "yes"; then
102     AC_MSG_RESULT(no)
103     AC_MSG_CHECKING(if Darwin files are there)
104     if test -f os_macosx.c; then
105       AC_MSG_RESULT(yes)
106     else
107       AC_MSG_RESULT([no, Darwin support disabled])
108       enable_darwin=no
109     fi
110   else
111     AC_MSG_RESULT([yes, Darwin support excluded])
112   fi
114   AC_MSG_CHECKING(--with-mac-arch argument)
115   AC_ARG_WITH(mac-arch, [  --with-mac-arch=ARCH    current, intel, ppc or both],
116         MACARCH="$withval"; AC_MSG_RESULT($MACARCH),
117         MACARCH="current"; AC_MSG_RESULT(defaulting to $MACARCH))
119   if test "x$MACARCH" = "xboth"; then
120     AC_MSG_CHECKING(for 10.4 universal SDK)
121     dnl There is a terrible inconsistency (but we appear to get away with it):
122     dnl $CFLAGS uses the 10.4u SDK library for the headers, while $CPPFLAGS
123     dnl doesn't, because "gcc -E" doesn't grok it.  That means the configure
124     dnl tests using the preprocessor are actually done with the wrong header
125     dnl files. $LDFLAGS is set at the end, because configure uses it together
126     dnl with $CFLAGS and we can only have one -sysroot argument.
127     save_cppflags="$CPPFLAGS"
128     save_cflags="$CFLAGS"
129     save_ldflags="$LDFLAGS"
130     CFLAGS="$CFLAGS -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch i386 -arch ppc"
131     AC_TRY_LINK([ ], [ ],
132         AC_MSG_RESULT(found, will make universal binary),
134         AC_MSG_RESULT(not found)
135         CFLAGS="$save_cflags"
136         AC_MSG_CHECKING(if Intel architecture is supported)
137         CPPFLAGS="$CPPFLAGS -arch i386"
138         LDFLAGS="$save_ldflags -arch i386"
139         AC_TRY_LINK([ ], [ ],
140             AC_MSG_RESULT(yes); MACARCH="intel",
141             AC_MSG_RESULT(no, using PowerPC)
142                 MACARCH="ppc"
143                 CPPFLAGS="$save_cppflags -arch ppc"
144                 LDFLAGS="$save_ldflags -arch ppc"))
145   elif test "x$MACARCH" = "xintel"; then
146     CPPFLAGS="$CPPFLAGS -arch intel"
147     LDFLAGS="$LDFLAGS -arch intel"
148   elif test "x$MACARCH" = "xppc"; then
149     CPPFLAGS="$CPPFLAGS -arch ppc"
150     LDFLAGS="$LDFLAGS -arch ppc"
151   fi
153   if test "$enable_darwin" = "yes"; then
154     MACOSX=yes
155     OS_EXTRA_SRC="os_macosx.c os_mac_conv.c";
156     OS_EXTRA_OBJ="objects/os_macosx.o objects/os_mac_conv.o"
157     dnl TODO: use -arch i386 on Intel machines
158     CPPFLAGS="$CPPFLAGS -DMACOS_X_UNIX -no-cpp-precomp"
159     if test "x$MACARCH" = "xboth"; then
160       CPPFLAGS="$CPPFLAGS -I/Developer/SDKs/MacOSX10.4u.sdk/Developer/Headers/FlatCarbon"
161     else
162       CPPFLAGS="$CPPFLAGS -I/Developer/Headers/FlatCarbon"
163     fi
165     dnl If Carbon is found, assume we don't want X11
166     dnl unless it was specifically asked for (--with-x)
167     dnl or Motif, Athena or GTK GUI is used.
168     AC_CHECK_HEADER(Carbon/Carbon.h, CARBON=yes)
169     if test "x$CARBON" = "xyes"; then
170       if test -z "$with_x" -a "X$enable_gui" != Xmotif -a "X$enable_gui" != Xathena -a "X$enable_gui" != Xgtk -a "X$enable_gui" != Xgtk2; then
171         with_x=no
172       fi
173     fi
174   fi
176   dnl Avoid a bug with -O2 with gcc 4.0.1.  Symptom: malloc() reports double
177   dnl free.  This happens in expand_filename(), because the optimizer swaps
178   dnl two blocks of code, both using "repl", that can't be swapped.
179   if test "$MACARCH" = "intel" -o "$MACARCH" = "both"; then
180     CFLAGS=`echo "$CFLAGS" | sed 's/-O[[23456789]]/-Oz/'`
181   fi
183 else
184   AC_MSG_RESULT(no)
187 AC_SUBST(OS_EXTRA_SRC)
188 AC_SUBST(OS_EXTRA_OBJ)
190 dnl Add /usr/local/lib to $LDFLAGS and /usr/local/include to CFLAGS.
191 dnl Only when the directory exists and it wasn't there yet.
192 dnl For gcc don't do this when it is already in the default search path.
193 dnl Skip all of this when cross-compiling.
194 if test "$cross_compiling" = no; then
195   AC_MSG_CHECKING(--with-local-dir argument)
196   have_local_include=''
197   have_local_lib=''
198   AC_ARG_WITH([local-dir], [  --with-local-dir=PATH   search PATH instead of /usr/local for local libraries.
199   --without-local-dir     do not search /usr/local for local libraries.], [
200     local_dir="$withval"
201     case "$withval" in
202     */*) ;;
203     no)
204       # avoid adding local dir to LDFLAGS and CPPFLAGS
205       have_local_dir=yes
206       have_local_lib=yes
207       ;;
208     *) AC_MSG_ERROR(must pass path argument to --with-local-dir) ;;
209     esac
210         AC_MSG_RESULT($local_dir)
211   ], [
212     local_dir=/usr/local
213     AC_MSG_RESULT(Defaulting to $local_dir)
214   ])
215   if test "$GCC" = yes -a "$local_dir" != no; then
216     echo 'void f(){}' > conftest.c
217     dnl -no-cpp-precomp is needed for OS X 10.2 (Ben Fowler)
218     have_local_include=`${CC-cc} -no-cpp-precomp -c -v conftest.c 2>&1 | grep "${local_dir}/include"`
219     have_local_lib=`${CC-cc} -c -v conftest.c 2>&1 | grep "${local_dir}/lib"`
220     rm -f conftest.c conftest.o
221   fi
222   if test -z "$have_local_lib" -a -d "${local_dir}/lib"; then
223     tt=`echo "$LDFLAGS" | sed -e "s+-L${local_dir}/lib ++g" -e "s+-L${local_dir}/lib$++g"`
224     if test "$tt" = "$LDFLAGS"; then
225       LDFLAGS="$LDFLAGS -L${local_dir}/lib"
226     fi
227   fi
228   if test -z "$have_local_include" -a -d "${local_dir}/include"; then
229     tt=`echo "$CPPFLAGS" | sed -e "s+-I${local_dir}/include ++g" -e "s+-I${local_dir}/include$++g"`
230     if test "$tt" = "$CPPFLAGS"; then
231       CPPFLAGS="$CPPFLAGS -I${local_dir}/include"
232     fi
233   fi
236 AC_MSG_CHECKING(--with-vim-name argument)
237 AC_ARG_WITH(vim-name, [  --with-vim-name=NAME    what to call the Vim executable],
238         VIMNAME="$withval"; AC_MSG_RESULT($VIMNAME),
239         VIMNAME="vim"; AC_MSG_RESULT(Defaulting to $VIMNAME))
240 AC_SUBST(VIMNAME)
241 AC_MSG_CHECKING(--with-ex-name argument)
242 AC_ARG_WITH(ex-name, [  --with-ex-name=NAME     what to call the Ex executable],
243         EXNAME="$withval"; AC_MSG_RESULT($EXNAME),
244         EXNAME="ex"; AC_MSG_RESULT(Defaulting to ex))
245 AC_SUBST(EXNAME)
246 AC_MSG_CHECKING(--with-view-name argument)
247 AC_ARG_WITH(view-name, [  --with-view-name=NAME   what to call the View executable],
248         VIEWNAME="$withval"; AC_MSG_RESULT($VIEWNAME),
249         VIEWNAME="view"; AC_MSG_RESULT(Defaulting to view))
250 AC_SUBST(VIEWNAME)
252 AC_MSG_CHECKING(--with-global-runtime argument)
253 AC_ARG_WITH(global-runtime, [  --with-global-runtime=DIR    global runtime directory in 'runtimepath'],
254         AC_MSG_RESULT($withval); AC_DEFINE_UNQUOTED(RUNTIME_GLOBAL, "$withval"),
255         AC_MSG_RESULT(no))
257 AC_MSG_CHECKING(--with-modified-by argument)
258 AC_ARG_WITH(modified-by, [  --with-modified-by=NAME       name of who modified a release version],
259         AC_MSG_RESULT($withval); AC_DEFINE_UNQUOTED(MODIFIED_BY, "$withval"),
260         AC_MSG_RESULT(no))
262 dnl Check for EBCDIC stolen from the LYNX port to OS390 Unix
263 AC_MSG_CHECKING(if character set is EBCDIC)
264 AC_TRY_COMPILE([ ],
265 [ /* TryCompile function for CharSet.
266    Treat any failure as ASCII for compatibility with existing art.
267    Use compile-time rather than run-time tests for cross-compiler
268    tolerance.  */
269 #if '0'!=240
270 make an error "Character set is not EBCDIC"
271 #endif ],
272 [ # TryCompile action if true
273 cf_cv_ebcdic=yes ],
274 [ # TryCompile action if false
275 cf_cv_ebcdic=no])
276 # end of TryCompile ])
277 # end of CacheVal CvEbcdic
278 AC_MSG_RESULT($cf_cv_ebcdic)
279 case "$cf_cv_ebcdic" in  #(vi
280     yes)        AC_DEFINE(EBCDIC)
281                 line_break='"\\n"'
282                 ;;
283     *)          line_break='"\\012"';;
284 esac
285 AC_SUBST(line_break)
287 if test "$cf_cv_ebcdic" = "yes"; then
288 dnl If we have EBCDIC we most likley have OS390 Unix, let's test it!
289 AC_MSG_CHECKING(for OS/390 Unix)
290 case `uname` in
291     OS/390)     OS390Unix="yes";
292                 dnl If using cc the environment variable _CC_CCMODE must be
293                 dnl set to "1", so that some compiler extensions are enabled.
294                 dnl If using c89 the environment variable is named _CC_C89MODE.
295                 dnl Note: compile with c89 never tested.
296                 if test "$CC" = "cc"; then
297                   ccm="$_CC_CCMODE"
298                   ccn="CC"
299                 else
300                   if test "$CC" = "c89"; then
301                     ccm="$_CC_C89MODE"
302                     ccn="C89"
303                   else
304                     ccm=1
305                   fi
306                 fi
307                 if test "$ccm" != "1"; then
308                   echo ""
309                   echo "------------------------------------------"
310                   echo " On OS/390 Unix, the environment variable"
311                   echo " __CC_${ccn}MODE must be set to \"1\"!"
312                   echo " Do:"
313                   echo "    export _CC_${ccn}MODE=1"
314                   echo " and then call configure again."
315                   echo "------------------------------------------"
316                   exit 1
317                 fi
318                 CFLAGS="$CFLAGS -D_ALL_SOURCE"; LDFLAGS="$LDFLAGS -Wl,EDIT=NO"
319                 AC_MSG_RESULT(yes)
320                 ;;
321     *)          OS390Unix="no";
322                 AC_MSG_RESULT(no)
323                 ;;
324 esac
327 dnl Link with -lselinux for SELinux stuff; if not found
328 AC_MSG_CHECKING(--disable-selinux argument)
329 AC_ARG_ENABLE(selinux,
330         [  --disable-selinux      Don't check for SELinux support.],
331         , enable_selinux="yes")
332 if test "$enable_selinux" = "yes"; then
333   AC_MSG_RESULT(no)
334   AC_CHECK_LIB(selinux, is_selinux_enabled,
335           [LIBS="$LIBS -lselinux"
336            AC_DEFINE(HAVE_SELINUX)])
337 else
338    AC_MSG_RESULT(yes)
341 dnl Check user requested features.
343 AC_MSG_CHECKING(--with-features argument)
344 AC_ARG_WITH(features, [  --with-features=TYPE    tiny, small, normal, big or huge (default: normal)],
345         features="$withval"; AC_MSG_RESULT($features),
346         features="normal"; AC_MSG_RESULT(Defaulting to normal))
348 dovimdiff=""
349 dogvimdiff=""
350 case "$features" in
351   tiny)         AC_DEFINE(FEAT_TINY) ;;
352   small)        AC_DEFINE(FEAT_SMALL) ;;
353   normal)       AC_DEFINE(FEAT_NORMAL) dovimdiff="installvimdiff";
354                         dogvimdiff="installgvimdiff" ;;
355   big)          AC_DEFINE(FEAT_BIG) dovimdiff="installvimdiff";
356                         dogvimdiff="installgvimdiff" ;;
357   huge)         AC_DEFINE(FEAT_HUGE) dovimdiff="installvimdiff";
358                         dogvimdiff="installgvimdiff" ;;
359   *)            AC_MSG_RESULT([Sorry, $features is not supported]) ;;
360 esac
362 AC_SUBST(dovimdiff)
363 AC_SUBST(dogvimdiff)
365 AC_MSG_CHECKING(--with-compiledby argument)
366 AC_ARG_WITH(compiledby, [  --with-compiledby=NAME  name to show in :version message],
367         compiledby="$withval"; AC_MSG_RESULT($withval),
368         compiledby=""; AC_MSG_RESULT(no))
369 AC_SUBST(compiledby)
371 AC_MSG_CHECKING(--disable-xsmp argument)
372 AC_ARG_ENABLE(xsmp,
373         [  --disable-xsmp          Disable XSMP session management],
374         , enable_xsmp="yes")
376 if test "$enable_xsmp" = "yes"; then
377   AC_MSG_RESULT(no)
378   AC_MSG_CHECKING(--disable-xsmp-interact argument)
379   AC_ARG_ENABLE(xsmp-interact,
380           [  --disable-xsmp-interact Disable XSMP interaction],
381           , enable_xsmp_interact="yes")
382   if test "$enable_xsmp_interact" = "yes"; then
383     AC_MSG_RESULT(no)
384     AC_DEFINE(USE_XSMP_INTERACT)
385   else
386     AC_MSG_RESULT(yes)
387   fi
388 else
389   AC_MSG_RESULT(yes)
392 dnl Check for MzScheme feature.
393 AC_MSG_CHECKING(--enable-mzschemeinterp argument)
394 AC_ARG_ENABLE(mzschemeinterp,
395         [  --enable-mzschemeinterp   Include MzScheme interpreter.], ,
396         [enable_mzschemeinterp="no"])
397 AC_MSG_RESULT($enable_mzschemeinterp)
399 if test "$enable_mzschemeinterp" = "yes"; then
400   dnl -- find the mzscheme executable
401   AC_SUBST(vi_cv_path_mzscheme)
403   AC_MSG_CHECKING(--with-plthome argument)
404   AC_ARG_WITH(plthome,
405         [  --with-plthome=PLTHOME   Use PLTHOME.],
406         with_plthome="$withval"; AC_MSG_RESULT($with_plthome),
407         with_plthome="";AC_MSG_RESULT("no"))
409   if test "X$with_plthome" != "X"; then
410        vi_cv_path_mzscheme_pfx="$with_plthome"
411   else
412     AC_MSG_CHECKING(PLTHOME environment var)
413     if test "X$PLTHOME" != "X"; then
414         AC_MSG_RESULT("$PLTHOME")
415         vi_cv_path_mzscheme_pfx="$PLTHOME"
416     else
417         AC_MSG_RESULT("not set")
418         dnl -- try to find MzScheme executable
419         AC_PATH_PROG(vi_cv_path_mzscheme, mzscheme)
421         dnl resolve symbolic link, the executable is often elsewhere and there
422         dnl are no links for the include files.
423         if test "X$vi_cv_path_mzscheme" != "X"; then
424           lsout=`ls -l $vi_cv_path_mzscheme`
425           if echo "$lsout" | grep -e '->' >/dev/null 2>/dev/null; then
426             vi_cv_path_mzscheme=`echo "$lsout" | sed 's/.*-> \(.*\)/\1/'`
427           fi
428         fi
430         if test "X$vi_cv_path_mzscheme" != "X"; then
431             dnl -- find where MzScheme thinks it was installed
432             AC_CACHE_CHECK(MzScheme install prefix,vi_cv_path_mzscheme_pfx,
433             [ vi_cv_path_mzscheme_pfx=`
434             ${vi_cv_path_mzscheme} -evm \
435             "(display (simplify-path            \
436                (build-path (call-with-values    \
437                 (lambda () (split-path (find-system-path (quote exec-file)))) \
438                 (lambda (base name must-be-dir?) base)) (quote up))))"` ])
439             dnl Remove a trailing slash.
440             vi_cv_path_mzscheme_pfx=`echo "$vi_cv_path_mzscheme_pfx" | sed 's+/$++'`
441         fi
442     fi
443   fi
445   SCHEME_INC=
446   if test "X$vi_cv_path_mzscheme_pfx" != "X"; then
447     AC_MSG_CHECKING(if scheme.h can be found in $vi_cv_path_mzscheme_pfx/include)
448     if test -f $vi_cv_path_mzscheme_pfx/include/scheme.h; then
449       AC_MSG_RESULT("yes")
450     else
451       AC_MSG_RESULT("no")
452       AC_MSG_CHECKING(if scheme.h can be found in $vi_cv_path_mzscheme_pfx/plt/include)
453       if test -f $vi_cv_path_mzscheme_pfx/include/plt/scheme.h; then
454         AC_MSG_RESULT("yes")
455         SCHEME_INC=/plt
456       else
457         AC_MSG_RESULT("no")
458         vi_cv_path_mzscheme_pfx=
459       fi
460     fi
461   fi
463   if test "X$vi_cv_path_mzscheme_pfx" != "X"; then
464     if test "x$MACOSX" = "xyes"; then
465       MZSCHEME_LIBS="-framework PLT_MzScheme"
466     elif test -f "${vi_cv_path_mzscheme_pfx}/lib/libmzgc.a"; then
467       MZSCHEME_LIBS="${vi_cv_path_mzscheme_pfx}/lib/libmzscheme.a ${vi_cv_path_mzscheme_pfx}/lib/libmzgc.a"
468     else
469       MZSCHEME_LIBS="-L${vi_cv_path_mzscheme_pfx}/lib -lmzscheme -lmzgc"
470       if test "$GCC" = yes; then
471         dnl Make Vim remember the path to the library.  For when it's not in
472         dnl $LD_LIBRARY_PATH.
473         MZSCHEME_LIBS="$MZSCHEME_LIBS -Wl,-rpath -Wl,${vi_cv_path_mzscheme_pfx}/lib"
474       elif test "`(uname) 2>/dev/null`" = SunOS &&
475                                uname -r | grep '^5' >/dev/null; then
476         MZSCHEME_LIBS="$MZSCHEME_LIBS -R ${vi_cv_path_mzscheme_pfx}/lib"
477       fi
478     fi
479     if test -d $vi_cv_path_mzscheme_pfx/lib/plt/collects; then
480       SCHEME_COLLECTS=lib/plt/
481     fi
482     MZSCHEME_CFLAGS="-I${vi_cv_path_mzscheme_pfx}/include${SCHEME_INC}   \
483       -DMZSCHEME_COLLECTS='\"${vi_cv_path_mzscheme_pfx}/${SCHEME_COLLECTS}collects\"'"
484     MZSCHEME_SRC="if_mzsch.c"
485     MZSCHEME_OBJ="objects/if_mzsch.o"
486     MZSCHEME_PRO="if_mzsch.pro"
487     AC_DEFINE(FEAT_MZSCHEME)
488   fi
489   AC_SUBST(MZSCHEME_SRC)
490   AC_SUBST(MZSCHEME_OBJ)
491   AC_SUBST(MZSCHEME_PRO)
492   AC_SUBST(MZSCHEME_LIBS)
493   AC_SUBST(MZSCHEME_CFLAGS)
497 AC_MSG_CHECKING(--enable-perlinterp argument)
498 AC_ARG_ENABLE(perlinterp,
499         [  --enable-perlinterp     Include Perl interpreter.], ,
500         [enable_perlinterp="no"])
501 AC_MSG_RESULT($enable_perlinterp)
502 if test "$enable_perlinterp" = "yes"; then
503   AC_SUBST(vi_cv_path_perl)
504   AC_PATH_PROG(vi_cv_path_perl, perl)
505   if test "X$vi_cv_path_perl" != "X"; then
506     AC_MSG_CHECKING(Perl version)
507     if $vi_cv_path_perl -e 'require 5.003_01' >/dev/null 2>/dev/null; then
508      eval `$vi_cv_path_perl -V:usethreads`
509      if test "X$usethreads" = "XUNKNOWN" -o "X$usethreads" = "Xundef"; then
510        badthreads=no
511      else
512        if $vi_cv_path_perl -e 'require 5.6.0' >/dev/null 2>/dev/null; then
513          eval `$vi_cv_path_perl -V:use5005threads`
514          if test "X$use5005threads" = "XUNKNOWN" -o "X$use5005threads" = "Xundef"; then
515            badthreads=no
516          else
517            badthreads=yes
518            AC_MSG_RESULT(>>> Perl > 5.6 with 5.5 threads cannot be used <<<)
519          fi
520        else
521          badthreads=yes
522          AC_MSG_RESULT(>>> Perl 5.5 with threads cannot be used <<<)
523        fi
524      fi
525      if test $badthreads = no; then
526       AC_MSG_RESULT(OK)
527       eval `$vi_cv_path_perl -V:shrpenv`
528       if test "X$shrpenv" = "XUNKNOWN"; then # pre 5.003_04
529         shrpenv=""
530       fi
531       vi_cv_perllib=`$vi_cv_path_perl -MConfig -e 'print $Config{privlibexp}'`
532       AC_SUBST(vi_cv_perllib)
533       dnl Remove "-fno-something", it breaks using cproto.
534       perlcppflags=`$vi_cv_path_perl -Mlib=$srcdir -MExtUtils::Embed \
535               -e 'ccflags;perl_inc;print"\n"' | sed -e 's/-fno[[^ ]]*//'`
536       dnl Remove "-lc", it breaks on FreeBSD when using "-pthread".
537       perllibs=`cd $srcdir; $vi_cv_path_perl -MExtUtils::Embed -e 'ldopts' | \
538                 sed -e '/Warning/d' -e '/Note (probably harmless)/d' \
539                         -e 's/-bE:perl.exp//' -e 's/-lc //'`
540       dnl Don't add perl lib to $LIBS: if it's not in LD_LIBRARY_PATH
541       dnl a test in configure may fail because of that.
542       perlldflags=`cd $srcdir; $vi_cv_path_perl -MExtUtils::Embed \
543                 -e 'ccdlflags' | sed -e 's/-bE:perl.exp//'`
545       dnl check that compiling a simple program still works with the flags
546       dnl added for Perl.
547       AC_MSG_CHECKING([if compile and link flags for Perl are sane])
548       cflags_save=$CFLAGS
549       libs_save=$LIBS
550       ldflags_save=$LDFLAGS
551       CFLAGS="$CFLAGS $perlcppflags"
552       LIBS="$LIBS $perllibs"
553       LDFLAGS="$perlldflags $LDFLAGS"
554       AC_TRY_LINK(,[ ],
555              AC_MSG_RESULT(yes); perl_ok=yes,
556              AC_MSG_RESULT(no: PERL DISABLED); perl_ok=no)
557       CFLAGS=$cflags_save
558       LIBS=$libs_save
559       LDFLAGS=$ldflags_save
560       if test $perl_ok = yes; then
561         if test "X$perlcppflags" != "X"; then
562           dnl remove -pipe and -Wxxx, it confuses cproto
563           PERL_CFLAGS=`echo "$perlcppflags" | sed -e 's/-pipe //' -e 's/-W[[^ ]]*//'`
564         fi
565         if test "X$perlldflags" != "X"; then
566           LDFLAGS="$perlldflags $LDFLAGS"
567         fi
568         PERL_LIBS=$perllibs
569         PERL_SRC="auto/if_perl.c if_perlsfio.c"
570         PERL_OBJ="objects/if_perl.o objects/if_perlsfio.o"
571         PERL_PRO="if_perl.pro if_perlsfio.pro"
572         AC_DEFINE(FEAT_PERL)
573       fi
574      fi
575     else
576       AC_MSG_RESULT(>>> too old; need Perl version 5.003_01 or later <<<)
577     fi
578   fi
580   if test "x$MACOSX" = "xyes"; then
581     dnl Mac OS X 10.2 or later
582     dir=/System/Library/Perl
583     darwindir=$dir/darwin
584     if test -d $darwindir; then
585       PERL=/usr/bin/perl
586     else
587       dnl Mac OS X 10.3
588       dir=/System/Library/Perl/5.8.1
589       darwindir=$dir/darwin-thread-multi-2level
590       if test -d $darwindir; then
591         PERL=/usr/bin/perl
592       fi
593     fi
594     if test -n "$PERL"; then
595       PERL_DIR="$dir"
596       PERL_CFLAGS="-DFEAT_PERL -I$darwindir/CORE"
597       PERL_OBJ="objects/if_perl.o objects/if_perlsfio.o $darwindir/auto/DynaLoader/DynaLoader.a"
598       PERL_LIBS="-L$darwindir/CORE -lperl"
599     fi
600   fi
602 AC_SUBST(shrpenv)
603 AC_SUBST(PERL_SRC)
604 AC_SUBST(PERL_OBJ)
605 AC_SUBST(PERL_PRO)
606 AC_SUBST(PERL_CFLAGS)
607 AC_SUBST(PERL_LIBS)
609 AC_MSG_CHECKING(--enable-pythoninterp argument)
610 AC_ARG_ENABLE(pythoninterp,
611         [  --enable-pythoninterp   Include Python interpreter.], ,
612         [enable_pythoninterp="no"])
613 AC_MSG_RESULT($enable_pythoninterp)
614 if test "$enable_pythoninterp" = "yes"; then
615   dnl -- find the python executable
616   AC_PATH_PROG(vi_cv_path_python, python)
617   if test "X$vi_cv_path_python" != "X"; then
619     dnl -- get its version number
620     AC_CACHE_CHECK(Python version,vi_cv_var_python_version,
621     [[vi_cv_var_python_version=`
622             ${vi_cv_path_python} -c 'import sys; print sys.version[:3]'`
623     ]])
625     dnl -- it must be at least version 1.4
626     AC_MSG_CHECKING(Python is 1.4 or better)
627     if ${vi_cv_path_python} -c \
628         "import sys; sys.exit(${vi_cv_var_python_version} < 1.4)"
629     then
630       AC_MSG_RESULT(yep)
632       dnl -- find where python thinks it was installed
633       AC_CACHE_CHECK(Python's install prefix,vi_cv_path_python_pfx,
634       [ vi_cv_path_python_pfx=`
635             ${vi_cv_path_python} -c \
636                 "import sys; print sys.prefix"` ])
638       dnl -- and where it thinks it runs
639       AC_CACHE_CHECK(Python's execution prefix,vi_cv_path_python_epfx,
640       [ vi_cv_path_python_epfx=`
641             ${vi_cv_path_python} -c \
642                 "import sys; print sys.exec_prefix"` ])
644       dnl -- python's internal library path
646       AC_CACHE_VAL(vi_cv_path_pythonpath,
647       [ vi_cv_path_pythonpath=`
648             unset PYTHONPATH;
649             ${vi_cv_path_python} -c \
650                 "import sys, string; print string.join(sys.path,':')"` ])
652       dnl -- where the Python implementation library archives are
654       AC_ARG_WITH(python-config-dir,
655         [  --with-python-config-dir=PATH  Python's config directory],
656         [ vi_cv_path_python_conf="${withval}" ] )
658       AC_CACHE_CHECK(Python's configuration directory,vi_cv_path_python_conf,
659       [
660         vi_cv_path_python_conf=
661         for path in "${vi_cv_path_python_pfx}" "${vi_cv_path_python_epfx}"; do
662           for subdir in lib share; do
663             d="${path}/${subdir}/python${vi_cv_var_python_version}/config"
664             if test -d "$d" && test -f "$d/config.c"; then
665               vi_cv_path_python_conf="$d"
666             fi
667           done
668         done
669       ])
671       PYTHON_CONFDIR="${vi_cv_path_python_conf}"
673       if test "X$PYTHON_CONFDIR" = "X"; then
674         AC_MSG_RESULT([can't find it!])
675       else
677         dnl -- we need to examine Python's config/Makefile too
678         dnl    see what the interpreter is built from
679         AC_CACHE_VAL(vi_cv_path_python_plibs,
680         [
681             pwd=`pwd`
682             tmp_mkf="$pwd/config-PyMake$$"
683             cat -- "${PYTHON_CONFDIR}/Makefile" - <<'eof' >"${tmp_mkf}"
685         @echo "python_MODLIBS='$(MODLIBS)'"
686         @echo "python_LIBS='$(LIBS)'"
687         @echo "python_SYSLIBS='$(SYSLIBS)'"
688         @echo "python_LINKFORSHARED='$(LINKFORSHARED)'"
690             dnl -- delete the lines from make about Entering/Leaving directory
691             eval "`cd ${PYTHON_CONFDIR} && make -f "${tmp_mkf}" __ | sed '/ directory /d'`"
692             rm -f -- "${tmp_mkf}"
693             if test "x$MACOSX" = "xyes" && ${vi_cv_path_python} -c \
694                 "import sys; sys.exit(${vi_cv_var_python_version} < 2.3)"; then
695               vi_cv_path_python_plibs="-framework Python"
696             else
697               if test "${vi_cv_var_python_version}" = "1.4"; then
698                   vi_cv_path_python_plibs="${PYTHON_CONFDIR}/libModules.a ${PYTHON_CONFDIR}/libPython.a ${PYTHON_CONFDIR}/libObjects.a ${PYTHON_CONFDIR}/libParser.a"
699               else
700                   vi_cv_path_python_plibs="-L${PYTHON_CONFDIR} -lpython${vi_cv_var_python_version}"
701               fi
702               vi_cv_path_python_plibs="${vi_cv_path_python_plibs} ${python_MODLIBS} ${python_LIBS} ${python_SYSLIBS} ${python_LINKFORSHARED}"
703               dnl remove -ltermcap, it can conflict with an earlier -lncurses
704               vi_cv_path_python_plibs=`echo $vi_cv_path_python_plibs | sed s/-ltermcap//`
705             fi
706         ])
708         PYTHON_LIBS="${vi_cv_path_python_plibs}"
709         if test "${vi_cv_path_python_pfx}" = "${vi_cv_path_python_epfx}"; then
710           PYTHON_CFLAGS="-I${vi_cv_path_python_pfx}/include/python${vi_cv_var_python_version}"
711         else
712           PYTHON_CFLAGS="-I${vi_cv_path_python_pfx}/include/python${vi_cv_var_python_version} -I${vi_cv_path_python_epfx}/include/python${vi_cv_var_python_version}"
713         fi
714         PYTHON_SRC="if_python.c"
715         dnl For Mac OSX 10.2 config.o is included in the Python library.
716         if test "x$MACOSX" = "xyes"; then
717           PYTHON_OBJ="objects/if_python.o"
718         else
719           PYTHON_OBJ="objects/if_python.o objects/py_config.o"
720         fi
721         if test "${vi_cv_var_python_version}" = "1.4"; then
722            PYTHON_OBJ="$PYTHON_OBJ objects/py_getpath.o"
723         fi
724         PYTHON_GETPATH_CFLAGS="-DPYTHONPATH='\"${vi_cv_path_pythonpath}\"' -DPREFIX='\"${vi_cv_path_python_pfx}\"' -DEXEC_PREFIX='\"${vi_cv_path_python_epfx}\"'"
726         dnl On FreeBSD linking with "-pthread" is required to use threads.
727         dnl _THREAD_SAFE must be used for compiling then.
728         dnl The "-pthread" is added to $LIBS, so that the following check for
729         dnl sigaltstack() will look in libc_r (it's there in libc!).
730         dnl Otherwise, when using GCC, try adding -pthread to $CFLAGS.  GCC
731         dnl will then define target-specific defines, e.g., -D_REENTRANT.
732         dnl Don't do this for Mac OSX, -pthread will generate a warning.
733         AC_MSG_CHECKING([if -pthread should be used])
734         threadsafe_flag=
735         thread_lib=
736         dnl if test "x$MACOSX" != "xyes"; then
737         if test "`(uname) 2>/dev/null`" != Darwin; then
738           test "$GCC" = yes && threadsafe_flag="-pthread"
739           if test "`(uname) 2>/dev/null`" = FreeBSD; then
740             threadsafe_flag="-D_THREAD_SAFE"
741             thread_lib="-pthread"
742           fi
743         fi
744         libs_save_old=$LIBS
745         if test -n "$threadsafe_flag"; then
746           cflags_save=$CFLAGS
747           CFLAGS="$CFLAGS $threadsafe_flag"
748           LIBS="$LIBS $thread_lib"
749           AC_TRY_LINK(,[ ],
750              AC_MSG_RESULT(yes); PYTHON_CFLAGS="$PYTHON_CFLAGS $threadsafe_flag",
751              AC_MSG_RESULT(no); LIBS=$libs_save_old
752              )
753           CFLAGS=$cflags_save
754         else
755           AC_MSG_RESULT(no)
756         fi
758         dnl check that compiling a simple program still works with the flags
759         dnl added for Python.
760         AC_MSG_CHECKING([if compile and link flags for Python are sane])
761         cflags_save=$CFLAGS
762         libs_save=$LIBS
763         CFLAGS="$CFLAGS $PYTHON_CFLAGS"
764         LIBS="$LIBS $PYTHON_LIBS"
765         AC_TRY_LINK(,[ ],
766                AC_MSG_RESULT(yes); python_ok=yes,
767                AC_MSG_RESULT(no: PYTHON DISABLED); python_ok=no)
768         CFLAGS=$cflags_save
769         LIBS=$libs_save
770         if test $python_ok = yes; then
771           AC_DEFINE(FEAT_PYTHON)
772         else
773           LIBS=$libs_save_old
774           PYTHON_SRC=
775           PYTHON_OBJ=
776           PYTHON_LIBS=
777           PYTHON_CFLAGS=
778         fi
780       fi
781     else
782       AC_MSG_RESULT(too old)
783     fi
784   fi
786 AC_SUBST(PYTHON_CONFDIR)
787 AC_SUBST(PYTHON_LIBS)
788 AC_SUBST(PYTHON_GETPATH_CFLAGS)
789 AC_SUBST(PYTHON_CFLAGS)
790 AC_SUBST(PYTHON_SRC)
791 AC_SUBST(PYTHON_OBJ)
793 AC_MSG_CHECKING(--enable-tclinterp argument)
794 AC_ARG_ENABLE(tclinterp,
795         [  --enable-tclinterp      Include Tcl interpreter.], ,
796         [enable_tclinterp="no"])
797 AC_MSG_RESULT($enable_tclinterp)
799 if test "$enable_tclinterp" = "yes"; then
801   dnl on FreeBSD tclsh is a silly script, look for tclsh8.[5420]
802   AC_MSG_CHECKING(--with-tclsh argument)
803   AC_ARG_WITH(tclsh, [  --with-tclsh=PATH       which tclsh to use (default: tclsh8.0)],
804         tclsh_name="$withval"; AC_MSG_RESULT($tclsh_name),
805         tclsh_name="tclsh8.5"; AC_MSG_RESULT(no))
806   AC_PATH_PROG(vi_cv_path_tcl, $tclsh_name)
807   AC_SUBST(vi_cv_path_tcl)
809   dnl when no specific version specified, also try 8.4, 8.2 and 8.0
810   if test "X$vi_cv_path_tcl" = "X" -a $tclsh_name = "tclsh8.5"; then
811     tclsh_name="tclsh8.4"
812     AC_PATH_PROG(vi_cv_path_tcl, $tclsh_name)
813   fi
814   if test "X$vi_cv_path_tcl" = "X" -a $tclsh_name = "tclsh8.4"; then
815     tclsh_name="tclsh8.2"
816     AC_PATH_PROG(vi_cv_path_tcl, $tclsh_name)
817   fi
818   if test "X$vi_cv_path_tcl" = "X" -a $tclsh_name = "tclsh8.2"; then
819     tclsh_name="tclsh8.0"
820     AC_PATH_PROG(vi_cv_path_tcl, $tclsh_name)
821   fi
822   dnl still didn't find it, try without version number
823   if test "X$vi_cv_path_tcl" = "X"; then
824     tclsh_name="tclsh"
825     AC_PATH_PROG(vi_cv_path_tcl, $tclsh_name)
826   fi
827   if test "X$vi_cv_path_tcl" != "X"; then
828     AC_MSG_CHECKING(Tcl version)
829     if echo 'exit [[expr [info tclversion] < 8.0]]' | $vi_cv_path_tcl - ; then
830       tclver=`echo 'puts [[info tclversion]]' | $vi_cv_path_tcl -`
831       AC_MSG_RESULT($tclver - OK);
832       tclloc=`echo 'set l [[info library]];set i [[string last lib $l]];incr i -2;puts [[string range $l 0 $i]]' | $vi_cv_path_tcl -`
834       AC_MSG_CHECKING(for location of Tcl include)
835       if test "x$MACOSX" != "xyes"; then
836         tclinc="$tclloc/include $tclloc/include/tcl $tclloc/include/tcl$tclver /usr/local/include /usr/local/include/tcl$tclver /usr/include /usr/include/tcl$tclver"
837       else
838         dnl For Mac OS X 10.3, use the OS-provided framework location
839         tclinc="/System/Library/Frameworks/Tcl.framework/Headers"
840       fi
841       TCL_INC=
842       for try in $tclinc; do
843         if test -f "$try/tcl.h"; then
844           AC_MSG_RESULT($try/tcl.h)
845           TCL_INC=$try
846           break
847         fi
848       done
849       if test -z "$TCL_INC"; then
850         AC_MSG_RESULT(<not found>)
851         SKIP_TCL=YES
852       fi
853       if test -z "$SKIP_TCL"; then
854         AC_MSG_CHECKING(for location of tclConfig.sh script)
855         if test "x$MACOSX" != "xyes"; then
856           tclcnf=`echo $tclinc | sed s/include/lib/g`
857           tclcnf="$tclcnf `echo $tclinc | sed s/include/lib64/g`"
858         else
859           dnl For Mac OS X 10.3, use the OS-provided framework location
860           tclcnf="/System/Library/Frameworks/Tcl.framework"
861         fi
862         for try in $tclcnf; do
863           if test -f $try/tclConfig.sh; then
864             AC_MSG_RESULT($try/tclConfig.sh)
865             . $try/tclConfig.sh
866             dnl use eval, because tcl 8.2 includes ${TCL_DBGX}
867             TCL_LIBS=`eval echo "$TCL_LIB_SPEC $TCL_LIBS"`
868             dnl Use $TCL_DEFS for -D_THREAD_SAFE et al.  But only use the
869             dnl "-D_ABC" items.  Watch out for -DFOO=long\ long.
870             TCL_DEFS=`echo $TCL_DEFS | sed -e 's/\\\\ /\\\\X/g' | tr ' ' '\012' | sed -e '/^[[^-]]/d' -e '/^-[[^D]]/d' -e '/-D[[^_]]/d' -e 's/-D_/ -D_/' | tr '\012' ' ' | sed -e 's/\\\\X/\\\\ /g'`
871             break
872           fi
873         done
874         if test -z "$TCL_LIBS"; then
875           AC_MSG_RESULT(<not found>)
876           AC_MSG_CHECKING(for Tcl library by myself)
877           tcllib=`echo $tclinc | sed s/include/lib/g`
878           tcllib="$tcllib `echo $tclinc | sed s/include/lib64/g`"
879           for ext in .so .a ; do
880             for ver in "" $tclver ; do
881               for try in $tcllib ; do
882                 trylib=tcl$ver$ext
883                 if test -f $try/lib$trylib ; then
884                   AC_MSG_RESULT($try/lib$trylib)
885                   TCL_LIBS="-L$try -ltcl$ver -ldl -lm"
886                   if test "`(uname) 2>/dev/null`" = SunOS &&
887                                          uname -r | grep '^5' >/dev/null; then
888                     TCL_LIBS="$TCL_LIBS -R $try"
889                   fi
890                   break 3
891                 fi
892               done
893             done
894           done
895           if test -z "$TCL_LIBS"; then
896             AC_MSG_RESULT(<not found>)
897             SKIP_TCL=YES
898           fi
899         fi
900         if test -z "$SKIP_TCL"; then
901           AC_DEFINE(FEAT_TCL)
902           TCL_SRC=if_tcl.c
903           TCL_OBJ=objects/if_tcl.o
904           TCL_PRO=if_tcl.pro
905           TCL_CFLAGS="-I$TCL_INC $TCL_DEFS"
906         fi
907       fi
908     else
909       AC_MSG_RESULT(too old; need Tcl version 8.0 or later)
910     fi
911   fi
913 AC_SUBST(TCL_SRC)
914 AC_SUBST(TCL_OBJ)
915 AC_SUBST(TCL_PRO)
916 AC_SUBST(TCL_CFLAGS)
917 AC_SUBST(TCL_LIBS)
919 AC_MSG_CHECKING(--enable-rubyinterp argument)
920 AC_ARG_ENABLE(rubyinterp,
921         [  --enable-rubyinterp     Include Ruby interpreter.], ,
922         [enable_rubyinterp="no"])
923 AC_MSG_RESULT($enable_rubyinterp)
924 if test "$enable_rubyinterp" = "yes"; then
925   AC_SUBST(vi_cv_path_ruby)
926   AC_PATH_PROG(vi_cv_path_ruby, ruby)
927   if test "X$vi_cv_path_ruby" != "X"; then
928     AC_MSG_CHECKING(Ruby version)
929     if $vi_cv_path_ruby -e '(VERSION rescue RUBY_VERSION) >= "1.6.0" or exit 1' >/dev/null 2>/dev/null; then
930       AC_MSG_RESULT(OK)
931       AC_MSG_CHECKING(Ruby header files)
932       rubyhdrdir=`$vi_cv_path_ruby -r mkmf -e 'print Config::CONFIG[["archdir"]] || $hdrdir' 2>/dev/null`
933       if test "X$rubyhdrdir" != "X"; then
934         AC_MSG_RESULT($rubyhdrdir)
935         RUBY_CFLAGS="-I$rubyhdrdir"
936         rubylibs=`$vi_cv_path_ruby -r rbconfig -e 'print Config::CONFIG[["LIBS"]]'`
937         if test "X$rubylibs" != "X"; then
938           RUBY_LIBS="$rubylibs"
939         fi
940         librubyarg=`$vi_cv_path_ruby -r rbconfig -e 'print Config.expand(Config::CONFIG[["LIBRUBYARG"]])'`
941         if test -f "$rubyhdrdir/$librubyarg"; then
942           librubyarg="$rubyhdrdir/$librubyarg"
943         else
944           rubylibdir=`$vi_cv_path_ruby -r rbconfig -e 'print Config.expand(Config::CONFIG[["libdir"]])'`
945           if test -f "$rubylibdir/$librubyarg"; then
946             librubyarg="$rubylibdir/$librubyarg"
947           elif test "$librubyarg" = "libruby.a"; then
948             dnl required on Mac OS 10.3 where libruby.a doesn't exist
949             librubyarg="-lruby"
950           else
951             librubyarg=`$vi_cv_path_ruby -r rbconfig -e "print '$librubyarg'.gsub(/-L\./, %'-L#{Config.expand(Config::CONFIG[\"libdir\"])}')"`
952           fi
953         fi
955         if test "X$librubyarg" != "X"; then
956           RUBY_LIBS="$librubyarg $RUBY_LIBS"
957         fi
958         rubyldflags=`$vi_cv_path_ruby -r rbconfig -e 'print Config::CONFIG[["LDFLAGS"]]'`
959         if test "X$rubyldflags" != "X"; then
960           LDFLAGS="$rubyldflags $LDFLAGS"
961         fi
962         RUBY_SRC="if_ruby.c"
963         RUBY_OBJ="objects/if_ruby.o"
964         RUBY_PRO="if_ruby.pro"
965         AC_DEFINE(FEAT_RUBY)
966       else
967         AC_MSG_RESULT(not found, disabling Ruby)
968       fi
969     else
970       AC_MSG_RESULT(too old; need Ruby version 1.6.0 or later)
971     fi
972   fi
974 AC_SUBST(RUBY_SRC)
975 AC_SUBST(RUBY_OBJ)
976 AC_SUBST(RUBY_PRO)
977 AC_SUBST(RUBY_CFLAGS)
978 AC_SUBST(RUBY_LIBS)
980 AC_MSG_CHECKING(--enable-cscope argument)
981 AC_ARG_ENABLE(cscope,
982         [  --enable-cscope         Include cscope interface.], ,
983         [enable_cscope="no"])
984 AC_MSG_RESULT($enable_cscope)
985 if test "$enable_cscope" = "yes"; then
986   AC_DEFINE(FEAT_CSCOPE)
989 AC_MSG_CHECKING(--enable-workshop argument)
990 AC_ARG_ENABLE(workshop,
991         [  --enable-workshop       Include Sun Visual Workshop support.], ,
992         [enable_workshop="no"])
993 AC_MSG_RESULT($enable_workshop)
994 if test "$enable_workshop" = "yes"; then
995   AC_DEFINE(FEAT_SUN_WORKSHOP)
996   WORKSHOP_SRC="workshop.c integration.c"
997   AC_SUBST(WORKSHOP_SRC)
998   WORKSHOP_OBJ="objects/workshop.o objects/integration.o"
999   AC_SUBST(WORKSHOP_OBJ)
1000   if test "${enable_gui-xxx}" = xxx; then
1001     enable_gui=motif
1002   fi
1005 AC_MSG_CHECKING(--disable-netbeans argument)
1006 AC_ARG_ENABLE(netbeans,
1007         [  --disable-netbeans      Disable NetBeans integration support.],
1008         , [enable_netbeans="yes"])
1009 if test "$enable_netbeans" = "yes"; then
1010   AC_MSG_RESULT(no)
1011   dnl On Solaris we need the socket and nsl library.
1012   AC_CHECK_LIB(socket, socket)
1013   AC_CHECK_LIB(nsl, gethostbyname)
1014   AC_MSG_CHECKING(whether compiling netbeans integration is possible)
1015   AC_TRY_LINK([
1016 #include <stdio.h>
1017 #include <stdlib.h>
1018 #include <stdarg.h>
1019 #include <fcntl.h>
1020 #include <netdb.h>
1021 #include <netinet/in.h>
1022 #include <errno.h>
1023 #include <sys/types.h>
1024 #include <sys/socket.h>
1025         /* Check bitfields */
1026         struct nbbuf {
1027         unsigned int  initDone:1;
1028         ushort signmaplen;
1029         };
1030             ], [
1031                 /* Check creating a socket. */
1032                 struct sockaddr_in server;
1033                 (void)socket(AF_INET, SOCK_STREAM, 0);
1034                 (void)htons(100);
1035                 (void)gethostbyname("microsoft.com");
1036                 if (errno == ECONNREFUSED)
1037                   (void)connect(1, (struct sockaddr *)&server, sizeof(server));
1038             ],
1039         AC_MSG_RESULT(yes),
1040         AC_MSG_RESULT(no); enable_netbeans="no")
1041 else
1042   AC_MSG_RESULT(yes)
1044 if test "$enable_netbeans" = "yes"; then
1045   AC_DEFINE(FEAT_NETBEANS_INTG)
1046   NETBEANS_SRC="netbeans.c"
1047   AC_SUBST(NETBEANS_SRC)
1048   NETBEANS_OBJ="objects/netbeans.o"
1049   AC_SUBST(NETBEANS_OBJ)
1052 AC_MSG_CHECKING(--enable-sniff argument)
1053 AC_ARG_ENABLE(sniff,
1054         [  --enable-sniff          Include Sniff interface.], ,
1055         [enable_sniff="no"])
1056 AC_MSG_RESULT($enable_sniff)
1057 if test "$enable_sniff" = "yes"; then
1058   AC_DEFINE(FEAT_SNIFF)
1059   SNIFF_SRC="if_sniff.c"
1060   AC_SUBST(SNIFF_SRC)
1061   SNIFF_OBJ="objects/if_sniff.o"
1062   AC_SUBST(SNIFF_OBJ)
1065 AC_MSG_CHECKING(--enable-multibyte argument)
1066 AC_ARG_ENABLE(multibyte,
1067         [  --enable-multibyte      Include multibyte editing support.], ,
1068         [enable_multibyte="no"])
1069 AC_MSG_RESULT($enable_multibyte)
1070 if test "$enable_multibyte" = "yes"; then
1071   AC_DEFINE(FEAT_MBYTE)
1074 AC_MSG_CHECKING(--enable-hangulinput argument)
1075 AC_ARG_ENABLE(hangulinput,
1076         [  --enable-hangulinput    Include Hangul input support.], ,
1077         [enable_hangulinput="no"])
1078 AC_MSG_RESULT($enable_hangulinput)
1080 AC_MSG_CHECKING(--enable-xim argument)
1081 AC_ARG_ENABLE(xim,
1082         [  --enable-xim            Include XIM input support.],
1083         AC_MSG_RESULT($enable_xim),
1084         [enable_xim="auto"; AC_MSG_RESULT(defaulting to auto)])
1085 dnl defining FEAT_XIM is delayed, so that it can be disabled for older GTK
1087 AC_MSG_CHECKING(--enable-fontset argument)
1088 AC_ARG_ENABLE(fontset,
1089         [  --enable-fontset        Include X fontset output support.], ,
1090         [enable_fontset="no"])
1091 AC_MSG_RESULT($enable_fontset)
1092 dnl defining FEAT_XFONTSET is delayed, so that it can be disabled for no GUI
1094 test -z "$with_x" && with_x=yes
1095 test "${enable_gui-yes}" != no -a "x$MACOSX" != "xyes" -a "x$QNX" != "xyes" && with_x=yes
1096 if test "$with_x" = no; then
1097   AC_MSG_RESULT(defaulting to: don't HAVE_X11)
1098 else
1099   dnl Do this check early, so that its failure can override user requests.
1101   AC_PATH_PROG(xmkmfpath, xmkmf)
1103   AC_PATH_XTRA
1105   dnl On OS390Unix the X libraries are DLLs. To use them the code must
1106   dnl be compiled with a special option.
1107   dnl Also add SM, ICE and Xmu to X_EXTRA_LIBS.
1108   if test "$OS390Unix" = "yes"; then
1109     CFLAGS="$CFLAGS -W c,dll"
1110     LDFLAGS="$LDFLAGS -W l,dll"
1111     X_EXTRA_LIBS="$X_EXTRA_LIBS -lSM -lICE -lXmu"
1112   fi
1114   dnl On my HPUX system the X include dir is found, but the lib dir not.
1115   dnl This is a desparate try to fix this.
1117   if test -d "$x_includes" && test ! -d "$x_libraries"; then
1118     x_libraries=`echo "$x_includes" | sed s/include/lib/`
1119     AC_MSG_RESULT(Corrected X libraries to $x_libraries)
1120     X_LIBS="$X_LIBS -L$x_libraries"
1121     if test "`(uname) 2>/dev/null`" = SunOS &&
1122                                          uname -r | grep '^5' >/dev/null; then
1123       X_LIBS="$X_LIBS -R $x_libraries"
1124     fi
1125   fi
1127   if test -d "$x_libraries" && test ! -d "$x_includes"; then
1128     x_includes=`echo "$x_libraries" | sed s/lib/include/`
1129     AC_MSG_RESULT(Corrected X includes to $x_includes)
1130     X_CFLAGS="$X_CFLAGS -I$x_includes"
1131   fi
1133   dnl Remove "-I/usr/include " from X_CFLAGS, should not be needed.
1134   X_CFLAGS="`echo $X_CFLAGS\  | sed 's%-I/usr/include %%'`"
1135   dnl Remove "-L/usr/lib " from X_LIBS, should not be needed.
1136   X_LIBS="`echo $X_LIBS\  | sed 's%-L/usr/lib %%'`"
1137   dnl Same for "-R/usr/lib ".
1138   X_LIBS="`echo $X_LIBS\  | sed -e 's%-R/usr/lib %%' -e 's%-R /usr/lib %%'`"
1141   dnl Check if the X11 header files are correctly installed. On some systems
1142   dnl Xlib.h includes files that don't exist.  On some systems X11/Intrinsic.h
1143   dnl is missing.
1144   AC_MSG_CHECKING(if X11 header files can be found)
1145   cflags_save=$CFLAGS
1146   CFLAGS="$CFLAGS $X_CFLAGS"
1147   AC_TRY_COMPILE([#include <X11/Xlib.h>
1148 #include <X11/Intrinsic.h>], ,
1149         AC_MSG_RESULT(yes),
1150         AC_MSG_RESULT(no); no_x=yes)
1151   CFLAGS=$cflags_save
1153   if test "${no_x-no}" = yes; then
1154     with_x=no
1155   else
1156     AC_DEFINE(HAVE_X11)
1157     X_LIB="-lXt -lX11";
1158     AC_SUBST(X_LIB)
1160     ac_save_LDFLAGS="$LDFLAGS"
1161     LDFLAGS="-L$x_libraries $LDFLAGS"
1163     dnl Check for -lXdmcp (needed on SunOS 4.1.4)
1164     dnl For HP-UX 10.20 it must be before -lSM -lICE
1165     AC_CHECK_LIB(Xdmcp, _XdmcpAuthDoIt, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lXdmcp"],,
1166                 [-lXt $X_PRE_LIBS -lX11 $X_EXTRA_LIBS -lXdmcp])
1168     dnl Some systems need -lnsl -lsocket when testing for ICE.
1169     dnl The check above doesn't do this, try here (again).  Also needed to get
1170     dnl them after Xdmcp.  link.sh will remove them when not needed.
1171     dnl Check for other function than above to avoid the cached value
1172     AC_CHECK_LIB(ICE, IceOpenConnection,
1173                   [X_EXTRA_LIBS="$X_EXTRA_LIBS -lSM -lICE"],, [$X_EXTRA_LIBS])
1175     dnl Check for -lXpm (needed for some versions of Motif)
1176     LDFLAGS="$X_LIBS $ac_save_LDFLAGS"
1177     AC_CHECK_LIB(Xpm, XpmCreatePixmapFromData, [X_PRE_LIBS="$X_PRE_LIBS -lXpm"],,
1178                 [-lXt $X_PRE_LIBS -lXpm -lX11 $X_EXTRA_LIBS])
1180     dnl Check that the X11 header files don't use implicit declarations
1181     AC_MSG_CHECKING(if X11 header files implicitly declare return values)
1182     cflags_save=$CFLAGS
1183     CFLAGS="$CFLAGS $X_CFLAGS -Werror"
1184     AC_TRY_COMPILE([#include <X11/Xlib.h>], ,
1185         AC_MSG_RESULT(no),
1186         CFLAGS="$CFLAGS -Wno-implicit-int"
1187         AC_TRY_COMPILE([#include <X11/Xlib.h>], ,
1188             AC_MSG_RESULT(yes); cflags_save="$cflags_save -Wno-implicit-int",
1189             AC_MSG_RESULT(test failed)
1190         )
1191     )
1192     CFLAGS=$cflags_save
1194     LDFLAGS="$ac_save_LDFLAGS"
1196   fi
1199 test "x$with_x" = xno -a "x$MACOSX" != "xyes" -a "x$QNX" != "xyes" && enable_gui=no
1201 AC_MSG_CHECKING(--enable-gui argument)
1202 AC_ARG_ENABLE(gui,
1203  [  --enable-gui[=OPTS]     X11 GUI [default=auto] [OPTS=auto/no/gtk/gtk2/gnome/gnome2/motif/athena/neXtaw/photon/carbon]], , enable_gui="auto")
1205 dnl Canonicalize the --enable-gui= argument so that it can be easily compared.
1206 dnl Do not use character classes for portability with old tools.
1207 enable_gui_canon=`echo "_$enable_gui" | \
1208         sed 's/[[ _+-]]//g;y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
1210 dnl Skip everything by default.
1211 SKIP_GTK=YES
1212 SKIP_GTK2=YES
1213 SKIP_GNOME=YES
1214 SKIP_MOTIF=YES
1215 SKIP_ATHENA=YES
1216 SKIP_NEXTAW=YES
1217 SKIP_PHOTON=YES
1218 SKIP_CARBON=YES
1219 GUITYPE=NONE
1221 if test "x$QNX" = "xyes" -a "x$with_x" = "xno" ; then
1222   SKIP_PHOTON=
1223   case "$enable_gui_canon" in
1224     no)         AC_MSG_RESULT(no GUI support)
1225                 SKIP_PHOTON=YES ;;
1226     yes|"")     AC_MSG_RESULT(yes - automatic GUI support) ;;
1227     auto)       AC_MSG_RESULT(auto - automatic GUI support) ;;
1228     photon)     AC_MSG_RESULT(Photon GUI support) ;;
1229     *)          AC_MSG_RESULT([Sorry, $enable_gui GUI is not supported])
1230                 SKIP_PHOTON=YES ;;
1231   esac
1233 elif test "x$MACOSX" = "xyes" -a "x$with_x" = "xno" ; then
1234   SKIP_CARBON=
1235   case "$enable_gui_canon" in
1236     no)         AC_MSG_RESULT(no GUI support)
1237                 SKIP_CARBON=YES ;;
1238     yes|"")     AC_MSG_RESULT(yes - automatic GUI support) ;;
1239     auto)       AC_MSG_RESULT(auto - automatic GUI support) ;;
1240     carbon)     AC_MSG_RESULT(Carbon GUI support) ;;
1241     *)          AC_MSG_RESULT([Sorry, $enable_gui GUI is not supported])
1242                 SKIP_CARBON=YES ;;
1243   esac
1245 else
1247   case "$enable_gui_canon" in
1248     no|none)    AC_MSG_RESULT(no GUI support) ;;
1249     yes|""|auto)        AC_MSG_RESULT(yes/auto - automatic GUI support)
1250                 SKIP_GTK=
1251                 SKIP_GTK2=
1252                 SKIP_GNOME=
1253                 SKIP_MOTIF=
1254                 SKIP_ATHENA=
1255                 SKIP_NEXTAW=
1256                 SKIP_CARBON=;;
1257     gtk)        AC_MSG_RESULT(GTK+ 1.x GUI support)
1258                 SKIP_GTK=;;
1259     gtk2)       AC_MSG_RESULT(GTK+ 2.x GUI support)
1260                 SKIP_GTK=
1261                 SKIP_GTK2=;;
1262     gnome)      AC_MSG_RESULT(GNOME 1.x GUI support)
1263                 SKIP_GNOME=
1264                 SKIP_GTK=;;
1265     gnome2)     AC_MSG_RESULT(GNOME 2.x GUI support)
1266                 SKIP_GNOME=
1267                 SKIP_GTK=
1268                 SKIP_GTK2=;;
1269     motif)      AC_MSG_RESULT(Motif GUI support)
1270                 SKIP_MOTIF=;;
1271     athena)     AC_MSG_RESULT(Athena GUI support)
1272                 SKIP_ATHENA=;;
1273     nextaw)     AC_MSG_RESULT(neXtaw GUI support)
1274                 SKIP_NEXTAW=;;
1275     *)          AC_MSG_RESULT([Sorry, $enable_gui GUI is not supported]) ;;
1276   esac
1280 if test "x$SKIP_GTK" != "xYES" -a "$enable_gui_canon" != "gtk" -a "$enable_gui_canon" != "gtk2"; then
1281   AC_MSG_CHECKING(whether or not to look for GTK)
1282   AC_ARG_ENABLE(gtk-check,
1283         [  --enable-gtk-check      If auto-select GUI, check for GTK [default=yes]],
1284         , enable_gtk_check="yes")
1285   AC_MSG_RESULT($enable_gtk_check)
1286   if test "x$enable_gtk_check" = "xno"; then
1287     SKIP_GTK=YES
1288     SKIP_GNOME=YES
1289   fi
1292 if test "x$SKIP_GTK2" != "xYES" -a "$enable_gui_canon" != "gtk2" \
1293                                 -a "$enable_gui_canon" != "gnome2"; then
1294   AC_MSG_CHECKING(whether or not to look for GTK+ 2)
1295   AC_ARG_ENABLE(gtk2-check,
1296         [  --enable-gtk2-check     If GTK GUI, check for GTK+ 2 [default=yes]],
1297         , enable_gtk2_check="yes")
1298   AC_MSG_RESULT($enable_gtk2_check)
1299   if test "x$enable_gtk2_check" = "xno"; then
1300     SKIP_GTK2=YES
1301   fi
1304 if test "x$SKIP_GNOME" != "xYES" -a "$enable_gui_canon" != "gnome" \
1305                                  -a "$enable_gui_canon" != "gnome2"; then
1306   AC_MSG_CHECKING(whether or not to look for GNOME)
1307   AC_ARG_ENABLE(gnome-check,
1308         [  --enable-gnome-check    If GTK GUI, check for GNOME [default=no]],
1309         , enable_gnome_check="no")
1310   AC_MSG_RESULT($enable_gnome_check)
1311   if test "x$enable_gnome_check" = "xno"; then
1312     SKIP_GNOME=YES
1313   fi
1316 if test "x$SKIP_MOTIF" != "xYES" -a "$enable_gui_canon" != "motif"; then
1317   AC_MSG_CHECKING(whether or not to look for Motif)
1318   AC_ARG_ENABLE(motif-check,
1319         [  --enable-motif-check    If auto-select GUI, check for Motif [default=yes]],
1320         , enable_motif_check="yes")
1321   AC_MSG_RESULT($enable_motif_check)
1322   if test "x$enable_motif_check" = "xno"; then
1323     SKIP_MOTIF=YES
1324   fi
1327 if test "x$SKIP_ATHENA" != "xYES" -a "$enable_gui_canon" != "athena"; then
1328   AC_MSG_CHECKING(whether or not to look for Athena)
1329   AC_ARG_ENABLE(athena-check,
1330         [  --enable-athena-check   If auto-select GUI, check for Athena [default=yes]],
1331         , enable_athena_check="yes")
1332   AC_MSG_RESULT($enable_athena_check)
1333   if test "x$enable_athena_check" = "xno"; then
1334     SKIP_ATHENA=YES
1335   fi
1338 if test "x$SKIP_NEXTAW" != "xYES" -a "$enable_gui_canon" != "nextaw"; then
1339   AC_MSG_CHECKING(whether or not to look for neXtaw)
1340   AC_ARG_ENABLE(nextaw-check,
1341         [  --enable-nextaw-check   If auto-select GUI, check for neXtaw [default=yes]],
1342         , enable_nextaw_check="yes")
1343   AC_MSG_RESULT($enable_nextaw_check);
1344   if test "x$enable_nextaw_check" = "xno"; then
1345     SKIP_NEXTAW=YES
1346   fi
1349 if test "x$SKIP_CARBON" != "xYES" -a "$enable_gui_canon" != "carbon"; then
1350   AC_MSG_CHECKING(whether or not to look for Carbon)
1351   AC_ARG_ENABLE(carbon-check,
1352         [  --enable-carbon-check   If auto-select GUI, check for Carbon [default=yes]],
1353         , enable_carbon_check="yes")
1354   AC_MSG_RESULT($enable_carbon_check);
1355   if test "x$enable_carbon_check" = "xno"; then
1356     SKIP_CARBON=YES
1357   fi
1361 if test "x$MACOSX" = "xyes" -a -z "$SKIP_CARBON" -a "x$CARBON" = "xyes"; then
1362   AC_MSG_CHECKING(for Carbon GUI)
1363   dnl already did the check, just give the message
1364   AC_MSG_RESULT(yes);
1365   GUITYPE=CARBONGUI
1366   if test "$VIMNAME" = "vim"; then
1367     VIMNAME=Vim
1368   fi
1370   dnl Default install directory is not /usr/local
1371   if test x$prefix = xNONE; then
1372     prefix=/Applications
1373   fi
1375   dnl Sorry for the hard coded default
1376   datadir='${prefix}/Vim.app/Contents/Resources'
1378   dnl skip everything else
1379   SKIP_GTK=YES;
1380   SKIP_GTK2=YES;
1381   SKIP_GNOME=YES;
1382   SKIP_MOTIF=YES;
1383   SKIP_ATHENA=YES;
1384   SKIP_NEXTAW=YES;
1385   SKIP_PHOTON=YES;
1386   SKIP_CARBON=YES
1390 dnl Get the cflags and libraries from the gtk-config script
1393 dnl define an autoconf function to check for a specified version of GTK, and
1394 dnl try to compile/link a GTK program.  this gets used once for GTK 1.1.16.
1396 dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
1397 dnl Test for GTK, and define GTK_CFLAGS, GTK_LIBDIR and GTK_LIBS
1399 AC_DEFUN(AM_PATH_GTK,
1401   if test "X$GTK_CONFIG" != "Xno" -o "X$PKG_CONFIG" != "Xno"; then
1402   {
1403     min_gtk_version=ifelse([$1], ,0.99.7,$1)
1404     AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
1405     no_gtk=""
1406     if (test "X$SKIP_GTK2" != "XYES" -a "X$PKG_CONFIG" != "Xno") \
1407           && $PKG_CONFIG --exists gtk+-2.0; then
1408     {
1409       dnl We should be using PKG_CHECK_MODULES() instead of this hack.
1410       dnl But I guess the dependency on pkgconfig.m4 is not wanted or
1411       dnl something like that.
1412       GTK_CFLAGS=`$PKG_CONFIG --cflags gtk+-2.0`
1413       GTK_LIBDIR=`$PKG_CONFIG --libs-only-L gtk+-2.0`
1414       GTK_LIBS=`$PKG_CONFIG --libs gtk+-2.0`
1415       gtk_major_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
1416              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
1417       gtk_minor_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
1418              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
1419       gtk_micro_version=`$PKG_CONFIG --modversion gtk+-2.0 | \
1420              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
1421     }
1422     elif test "X$GTK_CONFIG" != "Xno"; then
1423     {
1424       GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
1425       GTK_LIBDIR=
1426       GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
1427       gtk_major_version=`$GTK_CONFIG $gtk_config_args --version | \
1428              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
1429       gtk_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
1430              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
1431       gtk_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
1432              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
1433     }
1434     else
1435       no_gtk=yes
1436     fi
1438     if test "x$enable_gtktest" = "xyes" -a "x$no_gtk" = "x"; then
1439     {
1440       ac_save_CFLAGS="$CFLAGS"
1441       ac_save_LIBS="$LIBS"
1442       CFLAGS="$CFLAGS $GTK_CFLAGS"
1443       LIBS="$LIBS $GTK_LIBS"
1445       dnl
1446       dnl Now check if the installed GTK is sufficiently new. (Also sanity
1447       dnl checks the results of gtk-config to some extent
1448       dnl
1449       rm -f conf.gtktest
1450       AC_TRY_RUN([
1451 #include <gtk/gtk.h>
1452 #include <stdio.h>
1453 #if STDC_HEADERS
1454 # include <stdlib.h>
1455 # include <stddef.h>
1456 #endif
1459 main ()
1461 int major, minor, micro;
1462 char *tmp_version;
1464 system ("touch conf.gtktest");
1466 /* HP/UX 9 (%@#!) writes to sscanf strings */
1467 tmp_version = g_strdup("$min_gtk_version");
1468 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
1469    printf("%s, bad version string\n", "$min_gtk_version");
1470    exit(1);
1473 if ((gtk_major_version > major) ||
1474     ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
1475     ((gtk_major_version == major) && (gtk_minor_version == minor) &&
1476                                      (gtk_micro_version >= micro)))
1478     return 0;
1480 return 1;
1482 ],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
1483       CFLAGS="$ac_save_CFLAGS"
1484       LIBS="$ac_save_LIBS"
1485     }
1486     fi
1487     if test "x$no_gtk" = x ; then
1488       if test "x$enable_gtktest" = "xyes"; then
1489         AC_MSG_RESULT(yes; found version $gtk_major_version.$gtk_minor_version.$gtk_micro_version)
1490       else
1491         AC_MSG_RESULT(found version $gtk_major_version.$gtk_minor_version.$gtk_micro_version)
1492       fi
1493       ifelse([$2], , :, [$2])
1494     else
1495     {
1496       AC_MSG_RESULT(no)
1497       GTK_CFLAGS=""
1498       GTK_LIBS=""
1499       ifelse([$3], , :, [$3])
1500     }
1501     fi
1502   }
1503   else
1504     GTK_CFLAGS=""
1505     GTK_LIBS=""
1506     ifelse([$3], , :, [$3])
1507   fi
1508   AC_SUBST(GTK_CFLAGS)
1509   AC_SUBST(GTK_LIBS)
1510   rm -f conf.gtktest
1513 dnl ---------------------------------------------------------------------------
1514 dnl gnome
1515 dnl ---------------------------------------------------------------------------
1516 AC_DEFUN([GNOME_INIT_HOOK],
1518   AC_SUBST(GNOME_LIBS)
1519   AC_SUBST(GNOME_LIBDIR)
1520   AC_SUBST(GNOME_INCLUDEDIR)
1522   AC_ARG_WITH(gnome-includes,
1523     [  --with-gnome-includes=DIR Specify location of GNOME headers],
1524     [CFLAGS="$CFLAGS -I$withval"]
1525   )
1527   AC_ARG_WITH(gnome-libs,
1528     [  --with-gnome-libs=DIR   Specify location of GNOME libs],
1529     [LDFLAGS="$LDFLAGS -L$withval" gnome_prefix=$withval]
1530   )
1532   AC_ARG_WITH(gnome,
1533     [  --with-gnome            Specify prefix for GNOME files],
1534     if test x$withval = xyes; then
1535       want_gnome=yes
1536       ifelse([$1], [], :, [$1])
1537     else
1538       if test "x$withval" = xno; then
1539         want_gnome=no
1540       else
1541         want_gnome=yes
1542         LDFLAGS="$LDFLAGS -L$withval/lib"
1543         CFLAGS="$CFLAGS -I$withval/include"
1544         gnome_prefix=$withval/lib
1545       fi
1546     fi,
1547     want_gnome=yes)
1549   if test "x$want_gnome" = xyes -a "0$gtk_major_version" -ge 2; then
1550   {
1551     AC_MSG_CHECKING(for libgnomeui-2.0)
1552     if $PKG_CONFIG --exists libgnomeui-2.0; then
1553       AC_MSG_RESULT(yes)
1554       GNOME_LIBS=`$PKG_CONFIG --libs-only-l libgnomeui-2.0`
1555       GNOME_LIBDIR=`$PKG_CONFIG --libs-only-L libgnomeui-2.0`
1556       GNOME_INCLUDEDIR=`$PKG_CONFIG --cflags libgnomeui-2.0`
1558       dnl On FreeBSD we need -pthread but pkg-config doesn't include it.
1559       dnl This might not be the right way but it works for me...
1560       AC_MSG_CHECKING(for FreeBSD)
1561       if test "`(uname) 2>/dev/null`" = FreeBSD; then
1562         AC_MSG_RESULT(yes, adding -pthread)
1563         GNOME_INCLUDEDIR="$GNOME_INCLUDEDIR -D_THREAD_SAFE"
1564         GNOME_LIBS="$GNOME_LIBS -pthread"
1565       else
1566         AC_MSG_RESULT(no)
1567       fi
1568       $1
1569     else
1570       AC_MSG_RESULT(not found)
1571       if test "x$2" = xfail; then
1572         AC_MSG_ERROR(Could not find libgnomeui-2.0 via pkg-config)
1573       fi
1574     fi
1575   }
1576   elif test "x$want_gnome" = xyes; then
1577   {
1578     AC_PATH_PROG(GNOME_CONFIG,gnome-config,no)
1579     if test "$GNOME_CONFIG" = "no"; then
1580       no_gnome_config="yes"
1581     else
1582       AC_MSG_CHECKING(if $GNOME_CONFIG works)
1583       if $GNOME_CONFIG --libs-only-l gnome >/dev/null 2>&1; then
1584         AC_MSG_RESULT(yes)
1585         GNOME_LIBS="`$GNOME_CONFIG --libs-only-l gnome gnomeui`"
1586         GNOME_LIBDIR="`$GNOME_CONFIG --libs-only-L gnorba gnomeui`"
1587         GNOME_INCLUDEDIR="`$GNOME_CONFIG --cflags gnorba gnomeui`"
1588         $1
1589       else
1590         AC_MSG_RESULT(no)
1591         no_gnome_config="yes"
1592       fi
1593     fi
1595     if test x$exec_prefix = xNONE; then
1596       if test x$prefix = xNONE; then
1597         gnome_prefix=$ac_default_prefix/lib
1598       else
1599         gnome_prefix=$prefix/lib
1600       fi
1601     else
1602       gnome_prefix=`eval echo \`echo $libdir\``
1603     fi
1605     if test "$no_gnome_config" = "yes"; then
1606       AC_MSG_CHECKING(for gnomeConf.sh file in $gnome_prefix)
1607       if test -f $gnome_prefix/gnomeConf.sh; then
1608         AC_MSG_RESULT(found)
1609         echo "loading gnome configuration from" \
1610           "$gnome_prefix/gnomeConf.sh"
1611         . $gnome_prefix/gnomeConf.sh
1612         $1
1613       else
1614         AC_MSG_RESULT(not found)
1615         if test x$2 = xfail; then
1616           AC_MSG_ERROR(Could not find the gnomeConf.sh file that is generated by gnome-libs install)
1617         fi
1618       fi
1619     fi
1620   }
1621   fi
1624 AC_DEFUN([GNOME_INIT],[
1625         GNOME_INIT_HOOK([],fail)
1629 dnl ---------------------------------------------------------------------------
1630 dnl Check for GTK.  First checks for gtk-config, cause it needs that to get the
1631 dnl correct compiler flags.  Then checks for GTK 1.1.16.  If that fails, then
1632 dnl it checks for 1.0.6.  If both fail, then continue on for Motif as before...
1633 dnl ---------------------------------------------------------------------------
1634 if test -z "$SKIP_GTK"; then
1636   AC_MSG_CHECKING(--with-gtk-prefix argument)
1637   AC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],
1638         gtk_config_prefix="$withval"; AC_MSG_RESULT($gtk_config_prefix),
1639         gtk_config_prefix=""; AC_MSG_RESULT(no))
1641   AC_MSG_CHECKING(--with-gtk-exec-prefix argument)
1642   AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
1643         gtk_config_exec_prefix="$withval"; AC_MSG_RESULT($gtk_config_prefix),
1644         gtk_config_exec_prefix=""; AC_MSG_RESULT(no))
1646   AC_MSG_CHECKING(--disable-gtktest argument)
1647   AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],
1648         , enable_gtktest=yes)
1649   if test "x$enable_gtktest" = "xyes" ; then
1650     AC_MSG_RESULT(gtk test enabled)
1651   else
1652     AC_MSG_RESULT(gtk test disabled)
1653   fi
1655   if test "x$gtk_config_prefix" != "x" ; then
1656     gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
1657     GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
1658   fi
1659   if test "x$gtk_config_exec_prefix" != "x" ; then
1660     gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
1661     GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
1662   fi
1663   if test "X$GTK_CONFIG" = "X"; then
1664     AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
1665     if test "X$GTK_CONFIG" = "Xno"; then
1666       dnl Some distributions call it gtk12-config, annoying!
1667       AC_PATH_PROG(GTK12_CONFIG, gtk12-config, no)
1668       GTK_CONFIG="$GTK12_CONFIG"
1669     fi
1670   else
1671     AC_MSG_RESULT(Using GTK configuration program $GTK_CONFIG)
1672   fi
1673   if test "X$PKG_CONFIG" = "X"; then
1674     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1675   fi
1677   if test "x$GTK_CONFIG:$PKG_CONFIG" != "xno:no"; then
1678     dnl First try finding version 2.2.0 or later.  The 2.0.x series has
1679     dnl problems (bold fonts, --remote doesn't work).
1680     if test "X$SKIP_GTK2" != "XYES"; then
1681       AM_PATH_GTK(2.2.0,
1682                   [GUI_LIB_LOC="$GTK_LIBDIR"
1683                    GTK_LIBNAME="$GTK_LIBS"
1684                   GUI_INC_LOC="$GTK_CFLAGS"], )
1685       if test "x$GTK_CFLAGS" != "x"; then
1686         SKIP_ATHENA=YES
1687         SKIP_NEXTAW=YES
1688         SKIP_MOTIF=YES
1689         GUITYPE=GTK
1690         AC_SUBST(GTK_LIBNAME)
1691       fi
1692     fi
1694     dnl If there is no 2.2.0 or later try the 1.x.x series.  We require at
1695     dnl least GTK 1.1.16.  1.0.6 doesn't work.  1.1.1 to 1.1.15
1696     dnl were test versions.
1697     if test "x$GUITYPE" != "xGTK"; then
1698       SKIP_GTK2=YES
1699       AM_PATH_GTK(1.1.16,
1700                   [GTK_LIBNAME="$GTK_LIBS"
1701                   GUI_INC_LOC="$GTK_CFLAGS"], )
1702       if test "x$GTK_CFLAGS" != "x"; then
1703         SKIP_ATHENA=YES
1704         SKIP_NEXTAW=YES
1705         SKIP_MOTIF=YES
1706         GUITYPE=GTK
1707         AC_SUBST(GTK_LIBNAME)
1708       fi
1709     fi
1710   fi
1711   dnl Give a warning if GTK is older than 1.2.3
1712   if test "x$GUITYPE" = "xGTK"; then
1713     if test "$gtk_major_version" = 1 -a "0$gtk_minor_version" -lt 2 \
1714          -o "$gtk_major_version" = 1 -a "$gtk_minor_version" = 2 -a "0$gtk_micro_version" -lt 3; then
1715       AC_MSG_RESULT(this GTK version is old; version 1.2.3 or later is recommended)
1716     else
1717     {
1718       if test "0$gtk_major_version" -ge 2; then
1719         AC_DEFINE(HAVE_GTK2)
1720         if test "$gtk_minor_version" = 1 -a "0$gtk_micro_version" -ge 1 \
1721                 || test "0$gtk_minor_version" -ge 2 \
1722                 || test "0$gtk_major_version" -gt 2; then
1723           AC_DEFINE(HAVE_GTK_MULTIHEAD)
1724         fi
1725       fi
1726       dnl
1727       dnl if GTK exists, and it's not the 1.0.x series, then check for GNOME.
1728       dnl
1729       if test -z "$SKIP_GNOME"; then
1730       {
1731         GNOME_INIT_HOOK([have_gnome=yes])
1732         if test x$have_gnome = xyes ; then
1733           AC_DEFINE(FEAT_GUI_GNOME)
1734           GUI_INC_LOC="$GUI_INC_LOC $GNOME_INCLUDEDIR"
1735           GTK_LIBNAME="$GTK_LIBNAME $GNOME_LIBDIR $GNOME_LIBS"
1736         fi
1737       }
1738       fi
1739     }
1740     fi
1741   fi
1744 dnl Check for Motif include files location.
1745 dnl The LAST one found is used, this makes the highest version to be used,
1746 dnl e.g. when Motif1.2 and Motif2.0 are both present.
1748 if test -z "$SKIP_MOTIF"; then
1749   gui_XXX="/usr/XXX/Motif* /usr/Motif*/XXX /usr/XXX /usr/shlib /usr/X11*/XXX /usr/XXX/X11* /usr/dt/XXX /local/Motif*/XXX /local/XXX/Motif* /usr/local/Motif*/XXX /usr/local/XXX/Motif* /usr/local/XXX /usr/local/X11*/XXX /usr/local/LessTif/Motif*/XXX $MOTIFHOME/XXX"
1750   dnl Remove "-I" from before $GUI_INC_LOC if it's there
1751   GUI_INC_LOC="`echo $GUI_INC_LOC|sed 's%-I%%g'`"
1753   AC_MSG_CHECKING(for location of Motif GUI includes)
1754   gui_includes="`echo $x_includes|sed 's%/[^/][^/]*$%%'` `echo "$gui_XXX" | sed s/XXX/include/g` $GUI_INC_LOC"
1755   GUI_INC_LOC=
1756   for try in $gui_includes; do
1757     if test -f "$try/Xm/Xm.h"; then
1758       GUI_INC_LOC=$try
1759     fi
1760   done
1761   if test -n "$GUI_INC_LOC"; then
1762     if test "$GUI_INC_LOC" = /usr/include; then
1763       GUI_INC_LOC=
1764       AC_MSG_RESULT(in default path)
1765     else
1766       AC_MSG_RESULT($GUI_INC_LOC)
1767     fi
1768   else
1769     AC_MSG_RESULT(<not found>)
1770     SKIP_MOTIF=YES
1771   fi
1774 dnl Check for Motif library files location.  In the same order as the include
1775 dnl files, to avoid a mixup if several versions are present
1777 if test -z "$SKIP_MOTIF"; then
1778   AC_MSG_CHECKING(--with-motif-lib argument)
1779   AC_ARG_WITH(motif-lib,
1780   [  --with-motif-lib=STRING   Library for Motif ],
1781   [ MOTIF_LIBNAME="${withval}" ] )
1783   if test -n "$MOTIF_LIBNAME"; then
1784     AC_MSG_RESULT($MOTIF_LIBNAME)
1785     GUI_LIB_LOC=
1786   else
1787     AC_MSG_RESULT(no)
1789     dnl Remove "-L" from before $GUI_LIB_LOC if it's there
1790     GUI_LIB_LOC="`echo $GUI_LIB_LOC|sed 's%-L%%g'`"
1792     AC_MSG_CHECKING(for location of Motif GUI libs)
1793     gui_libs="`echo $x_libraries|sed 's%/[^/][^/]*$%%'` `echo "$gui_XXX" | sed s/XXX/lib/g` `echo "$GUI_INC_LOC" | sed s/include/lib/` $GUI_LIB_LOC"
1794     GUI_LIB_LOC=
1795     for try in $gui_libs; do
1796       for libtry in "$try"/libXm.a "$try"/libXm.so* "$try"/libXm.sl "$try"/libXm.dylib; do
1797         if test -f "$libtry"; then
1798           GUI_LIB_LOC=$try
1799         fi
1800       done
1801     done
1802     if test -n "$GUI_LIB_LOC"; then
1803       dnl Remove /usr/lib, it causes trouble on some systems
1804       if test "$GUI_LIB_LOC" = /usr/lib; then
1805         GUI_LIB_LOC=
1806         AC_MSG_RESULT(in default path)
1807       else
1808         if test -n "$GUI_LIB_LOC"; then
1809           AC_MSG_RESULT($GUI_LIB_LOC)
1810           if test "`(uname) 2>/dev/null`" = SunOS &&
1811                                          uname -r | grep '^5' >/dev/null; then
1812             GUI_LIB_LOC="$GUI_LIB_LOC -R $GUI_LIB_LOC"
1813           fi
1814         fi
1815       fi
1816       MOTIF_LIBNAME=-lXm
1817     else
1818       AC_MSG_RESULT(<not found>)
1819       SKIP_MOTIF=YES
1820     fi
1821   fi
1824 if test -z "$SKIP_MOTIF"; then
1825   SKIP_ATHENA=YES
1826   SKIP_NEXTAW=YES
1827   GUITYPE=MOTIF
1828   AC_SUBST(MOTIF_LIBNAME)
1831 dnl Check if the Athena files can be found
1833 GUI_X_LIBS=
1835 if test -z "$SKIP_ATHENA"; then
1836   AC_MSG_CHECKING(if Athena header files can be found)
1837   cflags_save=$CFLAGS
1838   CFLAGS="$CFLAGS $X_CFLAGS"
1839   AC_TRY_COMPILE([
1840 #include <X11/Intrinsic.h>
1841 #include <X11/Xaw/Paned.h>], ,
1842         AC_MSG_RESULT(yes),
1843         AC_MSG_RESULT(no); SKIP_ATHENA=YES )
1844   CFLAGS=$cflags_save
1847 if test -z "$SKIP_ATHENA"; then
1848   GUITYPE=ATHENA
1851 if test -z "$SKIP_NEXTAW"; then
1852   AC_MSG_CHECKING(if neXtaw header files can be found)
1853   cflags_save=$CFLAGS
1854   CFLAGS="$CFLAGS $X_CFLAGS"
1855   AC_TRY_COMPILE([
1856 #include <X11/Intrinsic.h>
1857 #include <X11/neXtaw/Paned.h>], ,
1858         AC_MSG_RESULT(yes),
1859         AC_MSG_RESULT(no); SKIP_NEXTAW=YES )
1860   CFLAGS=$cflags_save
1863 if test -z "$SKIP_NEXTAW"; then
1864   GUITYPE=NEXTAW
1867 if test -z "$SKIP_ATHENA" -o -z "$SKIP_NEXTAW" -o -z "$SKIP_MOTIF"; then
1868   dnl Prepend -I and -L to $GUI_INC_LOC and $GUI_LIB_LOC if not empty
1869   dnl Avoid adding it when it twice
1870   if test -n "$GUI_INC_LOC"; then
1871     GUI_INC_LOC=-I"`echo $GUI_INC_LOC|sed 's%-I%%'`"
1872   fi
1873   if test -n "$GUI_LIB_LOC"; then
1874     GUI_LIB_LOC=-L"`echo $GUI_LIB_LOC|sed 's%-L%%'`"
1875   fi
1877   dnl Check for -lXext and then for -lXmu
1878   ldflags_save=$LDFLAGS
1879   LDFLAGS="$X_LIBS $LDFLAGS"
1880   AC_CHECK_LIB(Xext, XShapeQueryExtension, [GUI_X_LIBS="-lXext"],,
1881                 [-lXt $X_PRE_LIBS -lX11 $X_EXTRA_LIBS])
1882   dnl For Solaris we need -lw and -ldl before linking with -lXmu works.
1883   AC_CHECK_LIB(w, wslen, [X_EXTRA_LIBS="$X_EXTRA_LIBS -lw"],,
1884                 [$GUI_X_LIBS -lXt $X_PRE_LIBS -lX11 $X_EXTRA_LIBS])
1885   AC_CHECK_LIB(dl, dlsym, [X_EXTRA_LIBS="$X_EXTRA_LIBS -ldl"],,
1886                 [$GUI_X_LIBS -lXt $X_PRE_LIBS -lX11 $X_EXTRA_LIBS])
1887   AC_CHECK_LIB(Xmu, XmuCreateStippledPixmap, [GUI_X_LIBS="-lXmu $GUI_X_LIBS"],,
1888                 [$GUI_X_LIBS -lXt $X_PRE_LIBS -lX11 $X_EXTRA_LIBS])
1889   if test -z "$SKIP_MOTIF"; then
1890     AC_CHECK_LIB(Xp, XpEndJob, [GUI_X_LIBS="-lXp $GUI_X_LIBS"],,
1891                 [$GUI_X_LIBS -lXm -lXt $X_PRE_LIBS -lX11 $X_EXTRA_LIBS])
1892   fi
1893   LDFLAGS=$ldflags_save
1895   dnl Execute xmkmf to figure out if -DNARROWPROTO is needed.
1896   AC_MSG_CHECKING(for extra X11 defines)
1897   NARROW_PROTO=
1898   rm -fr conftestdir
1899   if mkdir conftestdir; then
1900     cd conftestdir
1901     cat > Imakefile <<'EOF'
1902 acfindx:
1903         @echo 'NARROW_PROTO="${PROTO_DEFINES}"'
1905     if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
1906       eval `${MAKE-make} acfindx 2>/dev/null | grep -v make`
1907     fi
1908     cd ..
1909     rm -fr conftestdir
1910   fi
1911   if test -z "$NARROW_PROTO"; then
1912     AC_MSG_RESULT(no)
1913   else
1914     AC_MSG_RESULT($NARROW_PROTO)
1915   fi
1916   AC_SUBST(NARROW_PROTO)
1919 dnl Look for XSMP support - but don't necessarily restrict it to X11 GUIs
1920 dnl use the X11 include path
1921 if test "$enable_xsmp" = "yes"; then
1922   cppflags_save=$CPPFLAGS
1923   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
1924   AC_CHECK_HEADERS(X11/SM/SMlib.h)
1925   CPPFLAGS=$cppflags_save
1929 if test -z "$SKIP_ATHENA" -o -z "$SKIP_NEXTAW" -o -z "$SKIP_MOTIF" -o -z "$SKIP_GTK"; then
1930   dnl Check for X11/xpm.h and X11/Sunkeysym.h with the GUI include path
1931   cppflags_save=$CPPFLAGS
1932   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
1933   AC_CHECK_HEADERS(X11/xpm.h X11/Sunkeysym.h)
1935   dnl automatically disable XIM when XIMtext isn't in X11/Xlib.h
1936   if test ! "$enable_xim" = "no"; then
1937     AC_MSG_CHECKING(for XIMText in X11/Xlib.h)
1938     AC_EGREP_CPP(XIMText, [#include <X11/Xlib.h>],
1939                   AC_MSG_RESULT(yes),
1940                   AC_MSG_RESULT(no; xim has been disabled); enable_xim = "no")
1941   fi
1942   CPPFLAGS=$cppflags_save
1944   dnl automatically enable XIM when hangul input isn't enabled
1945   if test "$enable_xim" = "auto" -a "$enable_hangulinput" != "yes" \
1946                 -a "x$GUITYPE" != "xNONE" ; then
1947     AC_MSG_RESULT(X GUI selected; xim has been enabled)
1948     enable_xim="yes"
1949   fi
1952 if test -z "$SKIP_ATHENA" -o -z "$SKIP_NEXTAW" -o -z "$SKIP_MOTIF"; then
1953   cppflags_save=$CPPFLAGS
1954   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
1955 dnl Xmu/Editres.h may exist but can only be used after including Intrinsic.h
1956   AC_MSG_CHECKING([for X11/Xmu/Editres.h])
1957   AC_TRY_COMPILE([
1958 #include <X11/Intrinsic.h>
1959 #include <X11/Xmu/Editres.h>],
1960                       [int i; i = 0;],
1961               AC_MSG_RESULT(yes)
1962                       AC_DEFINE(HAVE_X11_XMU_EDITRES_H),
1963               AC_MSG_RESULT(no))
1964   CPPFLAGS=$cppflags_save
1967 dnl Only use the Xm directory when compiling Motif, don't use it for Athena
1968 if test -z "$SKIP_MOTIF"; then
1969   cppflags_save=$CPPFLAGS
1970   CPPFLAGS="$CPPFLAGS $X_CFLAGS"
1971   AC_CHECK_HEADERS(Xm/Xm.h Xm/XpmP.h Xm/JoinSideT.h Xm/TraitP.h Xm/Manager.h \
1972                    Xm/UnhighlightT.h Xm/Notebook.h)
1974   if test $ac_cv_header_Xm_XpmP_h = yes; then
1975     dnl Solaris uses XpmAttributes_21, very annoying.
1976     AC_MSG_CHECKING([for XpmAttributes_21 in Xm/XpmP.h])
1977     AC_TRY_COMPILE([#include <Xm/XpmP.h>], [XpmAttributes_21 attr;],
1978         AC_MSG_RESULT(yes); AC_DEFINE(XPMATTRIBUTES_TYPE, XpmAttributes_21),
1979         AC_MSG_RESULT(no); AC_DEFINE(XPMATTRIBUTES_TYPE, XpmAttributes)
1980         )
1981   else
1982     AC_DEFINE(XPMATTRIBUTES_TYPE, XpmAttributes)
1983   fi
1984   CPPFLAGS=$cppflags_save
1987 if test "x$GUITYPE" = "xNONE" -a "$enable_xim" = "yes"; then
1988   AC_MSG_RESULT(no GUI selected; xim has been disabled)
1989   enable_xim="no"
1991 if test "x$GUITYPE" = "xNONE" -a "$enable_fontset" = "yes"; then
1992   AC_MSG_RESULT(no GUI selected; fontset has been disabled)
1993   enable_fontset="no"
1995 if test "x$GUITYPE:$enable_fontset" = "xGTK:yes" -a "0$gtk_major_version" -ge 2; then
1996   AC_MSG_RESULT(GTK+ 2 GUI selected; fontset has been disabled)
1997   enable_fontset="no"
2000 if test -z "$SKIP_PHOTON"; then
2001   GUITYPE=PHOTONGUI
2004 AC_SUBST(GUI_INC_LOC)
2005 AC_SUBST(GUI_LIB_LOC)
2006 AC_SUBST(GUITYPE)
2007 AC_SUBST(GUI_X_LIBS)
2009 if test "$enable_workshop" = "yes" -a -n "$SKIP_MOTIF"; then
2010   AC_MSG_ERROR([cannot use workshop without Motif])
2013 dnl defining FEAT_XIM and FEAT_XFONTSET is delayed, so that they can be disabled
2014 if test "$enable_xim" = "yes"; then
2015   AC_DEFINE(FEAT_XIM)
2017 if test "$enable_fontset" = "yes"; then
2018   AC_DEFINE(FEAT_XFONTSET)
2022 dnl ---------------------------------------------------------------------------
2023 dnl end of GUI-checking
2024 dnl ---------------------------------------------------------------------------
2027 dnl Only really enable hangul input when GUI and XFONTSET are available
2028 if test "$enable_hangulinput" = "yes"; then
2029   if test "x$GUITYPE" = "xNONE"; then
2030     AC_MSG_RESULT(no GUI selected; hangul input has been disabled)
2031     enable_hangulinput=no
2032   else
2033     AC_DEFINE(FEAT_HANGULIN)
2034     HANGULIN_SRC=hangulin.c
2035     AC_SUBST(HANGULIN_SRC)
2036     HANGULIN_OBJ=objects/hangulin.o
2037     AC_SUBST(HANGULIN_OBJ)
2038   fi
2041 dnl Checks for libraries and include files.
2043 AC_CACHE_CHECK([whether toupper is broken], [vim_cv_toupper_broken],
2044   [
2045     AC_RUN_IFELSE([[
2046 #include "confdefs.h"
2047 #include <ctype.h>
2048 #if STDC_HEADERS
2049 # include <stdlib.h>
2050 # include <stddef.h>
2051 #endif
2052 main() { exit(toupper('A') == 'A' && tolower('z') == 'z'); }
2053   ]],[
2054     vim_cv_toupper_broken=yes
2055   ],[
2056     vim_cv_toupper_broken=no
2057   ],[
2058     AC_MSG_ERROR(cross-compiling: please set 'vim_cv_toupper_broken')
2059   ])])
2061 if test "x$vim_cv_toupper_broken" = "xyes" ; then
2062   AC_DEFINE(BROKEN_TOUPPER)
2065 AC_MSG_CHECKING(whether __DATE__ and __TIME__ work)
2066 AC_TRY_COMPILE([#include <stdio.h>], [printf("(" __DATE__ " " __TIME__ ")");],
2067         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_DATE_TIME),
2068         AC_MSG_RESULT(no))
2070 dnl Checks for header files.
2071 AC_CHECK_HEADER(elf.h, HAS_ELF=1)
2072 dnl AC_CHECK_HEADER(dwarf.h, SVR4=1)
2073 if test "$HAS_ELF" = 1; then
2074   AC_CHECK_LIB(elf, main)
2077 AC_HEADER_DIRENT
2079 dnl If sys/wait.h is not found it might still exist but not be POSIX
2080 dnl compliant. In that case we define HAVE_UNION_WAIT (for NeXT)
2081 if test $ac_cv_header_sys_wait_h = no; then
2082   AC_MSG_CHECKING([for sys/wait.h that defines union wait])
2083   AC_TRY_COMPILE([#include <sys/wait.h>],
2084                         [union wait xx, yy; xx = yy],
2085                 AC_MSG_RESULT(yes)
2086                         AC_DEFINE(HAVE_SYS_WAIT_H)
2087                         AC_DEFINE(HAVE_UNION_WAIT),
2088                 AC_MSG_RESULT(no))
2091 AC_CHECK_HEADERS(stdarg.h stdlib.h string.h sys/select.h sys/utsname.h \
2092         termcap.h fcntl.h sgtty.h sys/ioctl.h sys/time.h sys/types.h termio.h \
2093         iconv.h langinfo.h math.h unistd.h stropts.h errno.h \
2094         sys/resource.h sys/systeminfo.h locale.h \
2095         sys/stream.h termios.h libc.h sys/statfs.h \
2096         poll.h sys/poll.h pwd.h utime.h sys/param.h libintl.h \
2097         libgen.h util/debug.h util/msg18n.h frame.h \
2098         sys/acl.h sys/access.h sys/sysctl.h sys/sysinfo.h wchar.h wctype.h)
2100 dnl sys/ptem.h depends on sys/stream.h on Solaris
2101 AC_CHECK_HEADERS(sys/ptem.h, [], [],
2102 [#if defined HAVE_SYS_STREAM_H
2103 #  include <sys/stream.h>
2104 #endif])
2107 dnl pthread_np.h may exist but can only be used after including pthread.h
2108 AC_MSG_CHECKING([for pthread_np.h])
2109 AC_TRY_COMPILE([
2110 #include <pthread.h>
2111 #include <pthread_np.h>],
2112                       [int i; i = 0;],
2113               AC_MSG_RESULT(yes)
2114                       AC_DEFINE(HAVE_PTHREAD_NP_H),
2115               AC_MSG_RESULT(no))
2117 AC_CHECK_HEADERS(strings.h)
2118 if test "x$MACOSX" = "xyes"; then
2119   dnl The strings.h file on OS/X contains a warning and nothing useful.
2120   AC_DEFINE(NO_STRINGS_WITH_STRING_H)
2121 else
2123 dnl Check if strings.h and string.h can both be included when defined.
2124 AC_MSG_CHECKING([if strings.h can be included after string.h])
2125 cppflags_save=$CPPFLAGS
2126 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
2127 AC_TRY_COMPILE([
2128 #if defined(_AIX) && !defined(_AIX51) && !defined(_NO_PROTO)
2129 # define _NO_PROTO      /* like in os_unix.h, causes conflict for AIX (Winn) */
2130                         /* but don't do it on AIX 5.1 (Uribarri) */
2131 #endif
2132 #ifdef HAVE_XM_XM_H
2133 # include <Xm/Xm.h>     /* This breaks it for HP-UX 11 (Squassabia) */
2134 #endif
2135 #ifdef HAVE_STRING_H
2136 # include <string.h>
2137 #endif
2138 #if defined(HAVE_STRINGS_H)
2139 # include <strings.h>
2140 #endif
2141                 ], [int i; i = 0;],
2142                 AC_MSG_RESULT(yes),
2143                 AC_DEFINE(NO_STRINGS_WITH_STRING_H)
2144                 AC_MSG_RESULT(no))
2145 CPPFLAGS=$cppflags_save
2148 dnl Checks for typedefs, structures, and compiler characteristics.
2149 AC_PROG_GCC_TRADITIONAL
2150 AC_C_CONST
2151 AC_TYPE_MODE_T
2152 AC_TYPE_OFF_T
2153 AC_TYPE_PID_T
2154 AC_TYPE_SIZE_T
2155 AC_TYPE_UID_T
2156 AC_HEADER_TIME
2157 AC_CHECK_TYPE(ino_t, long)
2158 AC_CHECK_TYPE(dev_t, unsigned)
2160 AC_MSG_CHECKING(for rlim_t)
2161 if eval "test \"`echo '$''{'ac_cv_type_rlim_t'+set}'`\" = set"; then
2162   AC_MSG_RESULT([(cached) $ac_cv_type_rlim_t])
2163 else
2164   AC_EGREP_CPP(dnl
2165 changequote(<<,>>)dnl
2166 <<(^|[^a-zA-Z_0-9])rlim_t[^a-zA-Z_0-9]>>dnl
2167 changequote([,]),
2168   [
2169 #include <sys/types.h>
2170 #if STDC_HEADERS
2171 # include <stdlib.h>
2172 # include <stddef.h>
2173 #endif
2174 #ifdef HAVE_SYS_RESOURCE_H
2175 # include <sys/resource.h>
2176 #endif
2177           ], ac_cv_type_rlim_t=yes, ac_cv_type_rlim_t=no)
2178           AC_MSG_RESULT($ac_cv_type_rlim_t)
2180 if test $ac_cv_type_rlim_t = no; then
2181   cat >> confdefs.h <<\EOF
2182 #define rlim_t unsigned long
2186 AC_MSG_CHECKING(for stack_t)
2187 if eval "test \"`echo '$''{'ac_cv_type_stack_t'+set}'`\" = set"; then
2188   AC_MSG_RESULT([(cached) $ac_cv_type_stack_t])
2189 else
2190   AC_EGREP_CPP(stack_t,
2191   [
2192 #include <sys/types.h>
2193 #if STDC_HEADERS
2194 # include <stdlib.h>
2195 # include <stddef.h>
2196 #endif
2197 #include <signal.h>
2198           ], ac_cv_type_stack_t=yes, ac_cv_type_stack_t=no)
2199           AC_MSG_RESULT($ac_cv_type_stack_t)
2201 if test $ac_cv_type_stack_t = no; then
2202   cat >> confdefs.h <<\EOF
2203 #define stack_t struct sigaltstack
2207 dnl BSDI uses ss_base while others use ss_sp for the stack pointer.
2208 AC_MSG_CHECKING(whether stack_t has an ss_base field)
2209 AC_TRY_COMPILE([
2210 #include <sys/types.h>
2211 #if STDC_HEADERS
2212 # include <stdlib.h>
2213 # include <stddef.h>
2214 #endif
2215 #include <signal.h>
2216 #include "confdefs.h"
2217                         ], [stack_t sigstk; sigstk.ss_base = 0; ],
2218         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SS_BASE),
2219         AC_MSG_RESULT(no))
2221 olibs="$LIBS"
2222 AC_MSG_CHECKING(--with-tlib argument)
2223 AC_ARG_WITH(tlib, [  --with-tlib=library     terminal library to be used ],)
2224 if test -n "$with_tlib"; then
2225   AC_MSG_RESULT($with_tlib)
2226   LIBS="$LIBS -l$with_tlib"
2227   AC_MSG_CHECKING(for linking with $with_tlib library)
2228   AC_TRY_LINK([], [], AC_MSG_RESULT(OK), AC_MSG_ERROR(FAILED))
2229   dnl Need to check for tgetent() below.
2230   olibs="$LIBS"
2231 else
2232   AC_MSG_RESULT([empty: automatic terminal library selection])
2233   dnl  On HP-UX 10.10 termcap or termlib should be used instead of
2234   dnl  curses, because curses is much slower.
2235   dnl  Newer versions of ncurses are preferred over anything.
2236   dnl  Older versions of ncurses have bugs, get a new one!
2237   dnl  Digital Unix (OSF1) should use curses (Ronald Schild).
2238   dnl  On SCO Openserver should prefer termlib (Roger Cornelius).
2239   case "`uname -s 2>/dev/null`" in
2240         OSF1|SCO_SV)    tlibs="ncurses curses termlib termcap";;
2241         *)      tlibs="ncurses termlib termcap curses";;
2242   esac
2243   for libname in $tlibs; do
2244     AC_CHECK_LIB(${libname}, tgetent,,)
2245     if test "x$olibs" != "x$LIBS"; then
2246       dnl It's possible that a library is found but it doesn't work
2247       dnl e.g., shared library that cannot be found
2248       dnl compile and run a test program to be sure
2249       AC_TRY_RUN([
2250 #ifdef HAVE_TERMCAP_H
2251 # include <termcap.h>
2252 #endif
2253 #if STDC_HEADERS
2254 # include <stdlib.h>
2255 # include <stddef.h>
2256 #endif
2257 main() {char *s; s=(char *)tgoto("%p1%d", 0, 1); exit(0); }],
2258                           res="OK", res="FAIL", res="FAIL")
2259       if test "$res" = "OK"; then
2260         break
2261       fi
2262       AC_MSG_RESULT($libname library is not usable)
2263       LIBS="$olibs"
2264     fi
2265   done
2266   if test "x$olibs" = "x$LIBS"; then
2267     AC_MSG_RESULT(no terminal library found)
2268   fi
2271 if test "x$olibs" = "x$LIBS"; then
2272   AC_MSG_CHECKING([for tgetent()])
2273   AC_TRY_LINK([],
2274       [char s[10000]; int res = tgetent(s, "thisterminaldoesnotexist");],
2275         AC_MSG_RESULT(yes),
2276         AC_MSG_ERROR([NOT FOUND!
2277       You need to install a terminal library; for example ncurses.
2278       Or specify the name of the library with --with-tlib.]))
2281 AC_CACHE_CHECK([whether we talk terminfo], [vim_cv_terminfo],
2282   [
2283     AC_RUN_IFELSE([[
2284 #include "confdefs.h"
2285 #ifdef HAVE_TERMCAP_H
2286 # include <termcap.h>
2287 #endif
2288 #ifdef HAVE_STRING_H
2289 # include <string.h>
2290 #endif
2291 #if STDC_HEADERS
2292 # include <stdlib.h>
2293 # include <stddef.h>
2294 #endif
2295 main()
2296 {char *s; s=(char *)tgoto("%p1%d", 0, 1); exit(!strcmp(s==0 ? "" : s, "1")); }
2297     ]],[
2298       vim_cv_terminfo=no
2299     ],[
2300       vim_cv_terminfo=yes
2301     ],[
2302       AC_MSG_ERROR(cross-compiling: please set 'vim_cv_terminfo')
2303     ])
2304   ])
2306 if test "x$vim_cv_terminfo" = "xyes" ; then
2307   AC_DEFINE(TERMINFO)
2310 if test "x$olibs" != "x$LIBS"; then
2311   AC_CACHE_CHECK([what tgetent() returns for an unknown terminal], [vim_cv_tgent],
2312     [
2313       AC_RUN_IFELSE([[
2314 #include "confdefs.h"
2315 #ifdef HAVE_TERMCAP_H
2316 # include <termcap.h>
2317 #endif
2318 #if STDC_HEADERS
2319 # include <stdlib.h>
2320 # include <stddef.h>
2321 #endif
2322 main()
2323 {char s[10000]; int res = tgetent(s, "thisterminaldoesnotexist"); exit(res != 0); }
2324       ]],[
2325         vim_cv_tgent=zero
2326       ],[
2327         vim_cv_tgent=non-zero
2328       ],[
2329         AC_MSG_ERROR(failed to compile test program.)
2330       ])
2331     ])
2332   
2333   if test "x$vim_cv_tgent" = "xzero" ; then
2334     AC_DEFINE(TGETENT_ZERO_ERR, 0)
2335   fi
2338 AC_MSG_CHECKING(whether termcap.h contains ospeed)
2339 AC_TRY_LINK([
2340 #ifdef HAVE_TERMCAP_H
2341 # include <termcap.h>
2342 #endif
2343                         ], [ospeed = 20000],
2344         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_OSPEED),
2345         [AC_MSG_RESULT(no)
2346         AC_MSG_CHECKING(whether ospeed can be extern)
2347         AC_TRY_LINK([
2348 #ifdef HAVE_TERMCAP_H
2349 # include <termcap.h>
2350 #endif
2351 extern short ospeed;
2352                         ], [ospeed = 20000],
2353                 AC_MSG_RESULT(yes); AC_DEFINE(OSPEED_EXTERN),
2354                 AC_MSG_RESULT(no))]
2355         )
2357 AC_MSG_CHECKING([whether termcap.h contains UP, BC and PC])
2358 AC_TRY_LINK([
2359 #ifdef HAVE_TERMCAP_H
2360 # include <termcap.h>
2361 #endif
2362                         ], [if (UP == 0 && BC == 0) PC = 1],
2363         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_UP_BC_PC),
2364         [AC_MSG_RESULT(no)
2365         AC_MSG_CHECKING([whether UP, BC and PC can be extern])
2366         AC_TRY_LINK([
2367 #ifdef HAVE_TERMCAP_H
2368 # include <termcap.h>
2369 #endif
2370 extern char *UP, *BC, PC;
2371                         ], [if (UP == 0 && BC == 0) PC = 1],
2372                 AC_MSG_RESULT(yes); AC_DEFINE(UP_BC_PC_EXTERN),
2373                 AC_MSG_RESULT(no))]
2374         )
2376 AC_MSG_CHECKING(whether tputs() uses outfuntype)
2377 AC_TRY_COMPILE([
2378 #ifdef HAVE_TERMCAP_H
2379 # include <termcap.h>
2380 #endif
2381                         ], [extern int xx(); tputs("test", 1, (outfuntype)xx)],
2382         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_OUTFUNTYPE),
2383         AC_MSG_RESULT(no))
2385 dnl On some SCO machines sys/select redefines struct timeval
2386 AC_MSG_CHECKING([whether sys/select.h and sys/time.h may both be included])
2387 AC_TRY_COMPILE([
2388 #include <sys/types.h>
2389 #include <sys/time.h>
2390 #include <sys/select.h>], ,
2391           AC_MSG_RESULT(yes)
2392                         AC_DEFINE(SYS_SELECT_WITH_SYS_TIME),
2393           AC_MSG_RESULT(no))
2395 dnl AC_DECL_SYS_SIGLIST
2397 dnl Checks for pty.c (copied from screen) ==========================
2398 AC_MSG_CHECKING(for /dev/ptc)
2399 if test -r /dev/ptc; then
2400   AC_DEFINE(HAVE_DEV_PTC)
2401   AC_MSG_RESULT(yes)
2402 else
2403   AC_MSG_RESULT(no)
2406 AC_MSG_CHECKING(for SVR4 ptys)
2407 if test -c /dev/ptmx ; then
2408   AC_TRY_LINK([], [ptsname(0);grantpt(0);unlockpt(0);],
2409         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SVR4_PTYS),
2410         AC_MSG_RESULT(no))
2411 else
2412   AC_MSG_RESULT(no)
2415 AC_MSG_CHECKING(for ptyranges)
2416 if test -d /dev/ptym ; then
2417   pdir='/dev/ptym'
2418 else
2419   pdir='/dev'
2421 dnl SCO uses ptyp%d
2422 AC_EGREP_CPP(yes,
2423 [#ifdef M_UNIX
2424    yes;
2425 #endif
2426         ], ptys=`echo /dev/ptyp??`, ptys=`echo $pdir/pty??`)
2427 dnl if test -c /dev/ptyp19; then
2428 dnl ptys=`echo /dev/ptyp??`
2429 dnl else
2430 dnl ptys=`echo $pdir/pty??`
2431 dnl fi
2432 if test "$ptys" != "$pdir/pty??" ; then
2433   p0=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\).$/\1/g' | sort -u | tr -d '\012'`
2434   p1=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\)$/\1/g'  | sort -u | tr -d '\012'`
2435   AC_DEFINE_UNQUOTED(PTYRANGE0,"$p0")
2436   AC_DEFINE_UNQUOTED(PTYRANGE1,"$p1")
2437   AC_MSG_RESULT([$p0 / $p1])
2438 else
2439   AC_MSG_RESULT([don't know])
2442 dnl    ****  pty mode/group handling ****
2444 dnl support provided by Luke Mewburn <lm@rmit.edu.au>, 931222
2445 rm -f conftest_grp
2446 AC_CACHE_CHECK([default tty permissions/group], [vim_cv_tty_group],
2447   [
2448     AC_RUN_IFELSE([[
2449 #include "confdefs.h"
2450 #include <sys/types.h>
2451 #if STDC_HEADERS
2452 # include <stdlib.h>
2453 # include <stddef.h>
2454 #endif
2455 #ifdef HAVE_UNISTD_H
2456 #include <unistd.h>
2457 #endif
2458 #include <sys/stat.h>
2459 #include <stdio.h>
2460 main()
2462   struct stat sb;
2463   char *x,*ttyname();
2464   int om, m;
2465   FILE *fp;
2467   if (!(x = ttyname(0))) exit(1);
2468   if (stat(x, &sb)) exit(1);
2469   om = sb.st_mode;
2470   if (om & 002) exit(0);
2471   m = system("mesg y");
2472   if (m == -1 || m == 127) exit(1);
2473   if (stat(x, &sb)) exit(1);
2474   m = sb.st_mode;
2475   if (chmod(x, om)) exit(1);
2476   if (m & 002) exit(0);
2477   if (sb.st_gid == getgid()) exit(1);
2478   if (!(fp=fopen("conftest_grp", "w")))
2479     exit(1);
2480   fprintf(fp, "%d\n", sb.st_gid);
2481   fclose(fp);
2482   exit(0);
2484     ]],[
2485       if test -f conftest_grp; then
2486         vim_cv_tty_group=`cat conftest_grp`
2487         if test "x$vim_cv_tty_mode" = "x" ; then
2488           vim_cv_tty_mode=0620
2489         fi
2490         AC_MSG_RESULT([pty mode: $vim_cv_tty_mode, group: $vim_cv_tty_group])
2491       else
2492         vim_cv_tty_group=world
2493         AC_MSG_RESULT([ptys are world accessable])
2494       fi
2495     ],[
2496       vim_cv_tty_group=world
2497       AC_MSG_RESULT([can't determine - assume ptys are world accessable])
2498     ],[
2499       AC_MSG_ERROR(cross-compiling: please set 'vim_cv_tty_group' and 'vim_cv_tty_mode')
2500     ])
2501   ])
2502 rm -f conftest_grp
2504 if test "x$vim_cv_tty_group" != "xworld" ; then
2505   AC_DEFINE_UNQUOTED(PTYGROUP,$vim_cv_tty_group)
2506   if test "x$vim_cv_tty_mode" = "x" ; then
2507     AC_MSG_ERROR([It seems you're cross compiling and have 'vim_cv_tty_group' set, please also set the environment variable 'vim_cv_tty_mode' to the correct mode (propably 0620)])
2508   else
2509     AC_DEFINE(PTYMODE, 0620)
2510   fi
2513 dnl Checks for library functions. ===================================
2515 AC_TYPE_SIGNAL
2517 dnl find out what to use at the end of a signal function
2518 if test $ac_cv_type_signal = void; then
2519   AC_DEFINE(SIGRETURN, [return])
2520 else
2521   AC_DEFINE(SIGRETURN, [return 0])
2524 dnl check if struct sigcontext is defined (used for SGI only)
2525 AC_MSG_CHECKING(for struct sigcontext)
2526 AC_TRY_COMPILE([
2527 #include <signal.h>
2528 test_sig()
2530     struct sigcontext *scont;
2531     scont = (struct sigcontext *)0;
2532     return 1;
2533 } ], ,
2534           AC_MSG_RESULT(yes)
2535                 AC_DEFINE(HAVE_SIGCONTEXT),
2536           AC_MSG_RESULT(no))
2538 dnl tricky stuff: try to find out if getcwd() is implemented with
2539 dnl system("sh -c pwd")
2540 AC_CACHE_CHECK([getcwd implementation is broken], [vim_cv_getcwd_broken],
2541   [
2542     AC_RUN_IFELSE([[
2543 #include "confdefs.h"
2544 #ifdef HAVE_UNISTD_H
2545 #include <unistd.h>
2546 #endif
2547 char *dagger[] = { "IFS=pwd", 0 };
2548 main()
2550   char buffer[500];
2551   extern char **environ;
2552   environ = dagger;
2553   return getcwd(buffer, 500) ? 0 : 1;
2555     ]],[
2556       vim_cv_getcwd_broken=no
2557     ],[
2558       vim_cv_getcwd_broken=yes
2559     ],[
2560       AC_MSG_ERROR(cross-compiling: please set 'vim_cv_getcwd_broken')
2561     ])
2562   ])
2564 if test "x$vim_cv_getcwd_broken" = "xyes" ; then
2565   AC_DEFINE(BAD_GETCWD)
2568 dnl Check for functions in one big call, to reduce the size of configure
2569 AC_CHECK_FUNCS(bcmp fchdir fchown fseeko fsync ftello getcwd getpseudotty \
2570         getpwnam getpwuid getrlimit gettimeofday getwd lstat memcmp \
2571         memset nanosleep opendir putenv qsort readlink select setenv \
2572         setpgid setsid sigaltstack sigstack sigset sigsetjmp sigaction \
2573         sigvec strcasecmp strerror strftime stricmp strncasecmp \
2574         strnicmp strpbrk strtol tgetent towlower towupper iswupper \
2575         usleep utime utimes)
2577 dnl fstatfs() can take 2 to 4 arguments, try to use st_blksize if possible
2578 AC_MSG_CHECKING(for st_blksize)
2579 AC_TRY_COMPILE(
2580 [#include <sys/types.h>
2581 #include <sys/stat.h>],
2582 [       struct stat st;
2583         int n;
2585         stat("/", &st);
2586         n = (int)st.st_blksize;],
2587         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_ST_BLKSIZE),
2588         AC_MSG_RESULT(no))
2590 AC_CACHE_CHECK([whether stat() ignores a trailing slash], [vim_cv_stat_ignores_slash],
2591   [
2592     AC_RUN_IFELSE([[
2593 #include "confdefs.h"
2594 #if STDC_HEADERS
2595 # include <stdlib.h>
2596 # include <stddef.h>
2597 #endif
2598 #include <sys/types.h>
2599 #include <sys/stat.h>
2600 main() {struct stat st;  exit(stat("configure/", &st) != 0); }
2601     ]],[
2602       vim_cv_stat_ignores_slash=yes
2603     ],[
2604       vim_cv_stat_ignores_slash=no
2605     ],[
2606       AC_MSG_ERROR(cross-compiling: please set 'vim_cv_stat_ignores_slash')
2607     ])
2608   ])
2610 if test "x$vim_cv_stat_ignores_slash" = "xyes" ; then
2611   AC_DEFINE(STAT_IGNORES_SLASH)
2613   
2614 dnl Link with iconv for charset translation, if not found without library.
2615 dnl check for iconv() requires including iconv.h
2616 dnl Add "-liconv" when possible; Solaris has iconv but use GNU iconv when it
2617 dnl has been installed.
2618 AC_MSG_CHECKING(for iconv_open())
2619 save_LIBS="$LIBS"
2620 LIBS="$LIBS -liconv"
2621 AC_TRY_LINK([
2622 #ifdef HAVE_ICONV_H
2623 # include <iconv.h>
2624 #endif
2625     ], [iconv_open("fr", "to");],
2626     AC_MSG_RESULT(yes; with -liconv); AC_DEFINE(HAVE_ICONV),
2627     LIBS="$save_LIBS"
2628     AC_TRY_LINK([
2629 #ifdef HAVE_ICONV_H
2630 # include <iconv.h>
2631 #endif
2632         ], [iconv_open("fr", "to");],
2633         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_ICONV),
2634         AC_MSG_RESULT(no)))
2637 AC_MSG_CHECKING(for nl_langinfo(CODESET))
2638 AC_TRY_LINK([
2639 #ifdef HAVE_LANGINFO_H
2640 # include <langinfo.h>
2641 #endif
2642 ], [char *cs = nl_langinfo(CODESET);],
2643         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_NL_LANGINFO_CODESET),
2644         AC_MSG_RESULT(no))
2646 dnl Need various functions for floating point support.  Only enable
2647 dnl floating point when they are all present.
2648 AC_CHECK_LIB(m, strtod)
2649 AC_MSG_CHECKING([for strtod() and other floating point functions])
2650 AC_TRY_LINK([
2651 #ifdef HAVE_MATH_H
2652 # include <math.h>
2653 #endif
2654 #if STDC_HEADERS
2655 # include <stdlib.h>
2656 # include <stddef.h>
2657 #endif
2658 ], [char *s; double d;
2659     d = strtod("1.1", &s);
2660     d = fabs(1.11);
2661     d = ceil(1.11);
2662     d = floor(1.11);
2663     d = log10(1.11);
2664     d = pow(1.11, 2.22);
2665     d = sqrt(1.11);
2666     d = sin(1.11);
2667     d = cos(1.11);
2668     d = atan(1.11);
2669     ],
2670         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOAT_FUNCS),
2671         AC_MSG_RESULT(no))
2673 dnl Link with -lposix1e for ACL stuff; if not found, try -lacl for SGI
2674 dnl when -lacl works, also try to use -lattr (required for Debian).
2675 AC_MSG_CHECKING(--disable-acl argument)
2676 AC_ARG_ENABLE(acl,
2677         [  --disable-acl           Don't check for ACL support.],
2678         , [enable_acl="yes"])
2679 if test "$enable_acl" = "yes"; then
2680 AC_MSG_RESULT(no)
2681 AC_CHECK_LIB(posix1e, acl_get_file, [LIBS="$LIBS -lposix1e"],
2682         AC_CHECK_LIB(acl, acl_get_file, [LIBS="$LIBS -lacl"
2683                   AC_CHECK_LIB(attr, fgetxattr, LIBS="$LIBS -lattr",,)],,),)
2685 AC_MSG_CHECKING(for POSIX ACL support)
2686 AC_TRY_LINK([
2687 #include <sys/types.h>
2688 #ifdef HAVE_SYS_ACL_H
2689 # include <sys/acl.h>
2690 #endif
2691 acl_t acl;], [acl = acl_get_file("foo", ACL_TYPE_ACCESS);
2692         acl_set_file("foo", ACL_TYPE_ACCESS, acl);
2693         acl_free(acl);],
2694         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_POSIX_ACL),
2695         AC_MSG_RESULT(no))
2697 AC_MSG_CHECKING(for Solaris ACL support)
2698 AC_TRY_LINK([
2699 #ifdef HAVE_SYS_ACL_H
2700 # include <sys/acl.h>
2701 #endif], [acl("foo", GETACLCNT, 0, NULL);
2702         ],
2703         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SOLARIS_ACL),
2704         AC_MSG_RESULT(no))
2706 AC_MSG_CHECKING(for AIX ACL support)
2707 AC_TRY_LINK([
2708 #if STDC_HEADERS
2709 # include <stdlib.h>
2710 # include <stddef.h>
2711 #endif
2712 #ifdef HAVE_SYS_ACL_H
2713 # include <sys/acl.h>
2714 #endif
2715 #ifdef HAVE_SYS_ACCESS_H
2716 # include <sys/access.h>
2717 #endif
2718 #define _ALL_SOURCE
2720 #include <sys/stat.h>
2722 int aclsize;
2723 struct acl *aclent;], [aclsize = sizeof(struct acl);
2724         aclent = (void *)malloc(aclsize);
2725         statacl("foo", STX_NORMAL, aclent, aclsize);
2726         ],
2727         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_AIX_ACL),
2728         AC_MSG_RESULT(no))
2729 else
2730   AC_MSG_RESULT(yes)
2733 AC_MSG_CHECKING(--disable-gpm argument)
2734 AC_ARG_ENABLE(gpm,
2735         [  --disable-gpm           Don't use gpm (Linux mouse daemon).], ,
2736         [enable_gpm="yes"])
2738 if test "$enable_gpm" = "yes"; then
2739   AC_MSG_RESULT(no)
2740   dnl Checking if gpm support can be compiled
2741   AC_CACHE_CHECK([for gpm], vi_cv_have_gpm,
2742         [olibs="$LIBS" ; LIBS="-lgpm"]
2743         AC_TRY_LINK(
2744             [#include <gpm.h>
2745             #include <linux/keyboard.h>],
2746             [Gpm_GetLibVersion(NULL);],
2747             dnl Configure defines HAVE_GPM, if it is defined feature.h defines
2748             dnl FEAT_MOUSE_GPM if mouse support is included
2749             [vi_cv_have_gpm=yes],
2750             [vi_cv_have_gpm=no])
2751         [LIBS="$olibs"]
2752     )
2753   if test $vi_cv_have_gpm = yes; then
2754     LIBS="$LIBS -lgpm"
2755     AC_DEFINE(HAVE_GPM)
2756   fi
2757 else
2758   AC_MSG_RESULT(yes)
2761 AC_MSG_CHECKING(--disable-sysmouse argument)
2762 AC_ARG_ENABLE(sysmouse,
2763         [  --disable-sysmouse    Don't use sysmouse (mouse in *BSD console).], ,
2764         [enable_sysmouse="yes"])
2766 if test "$enable_sysmouse" = "yes"; then
2767   AC_MSG_RESULT(no)
2768   dnl Checking if sysmouse support can be compiled
2769   dnl Configure defines HAVE_SYSMOUSE, if it is defined feature.h
2770   dnl defines FEAT_SYSMOUSE if mouse support is included
2771   AC_CACHE_CHECK([for sysmouse], vi_cv_have_sysmouse,
2772         AC_TRY_LINK(
2773             [#include <sys/consio.h>
2774              #include <signal.h>
2775              #include <sys/fbio.h>],
2776             [struct mouse_info   mouse;
2777              mouse.operation = MOUSE_MODE;
2778              mouse.operation = MOUSE_SHOW;
2779              mouse.u.mode.mode = 0;
2780              mouse.u.mode.signal = SIGUSR2;],
2781             [vi_cv_have_sysmouse=yes],
2782             [vi_cv_have_sysmouse=no])
2783     )
2784   if test $vi_cv_have_sysmouse = yes; then
2785     AC_DEFINE(HAVE_SYSMOUSE)
2786   fi
2787 else
2788   AC_MSG_RESULT(yes)
2791 dnl rename needs to be checked separately to work on Nextstep with cc
2792 AC_MSG_CHECKING(for rename)
2793 AC_TRY_LINK([#include <stdio.h>], [rename("this", "that")],
2794         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_RENAME),
2795         AC_MSG_RESULT(no))
2797 dnl sysctl() may exist but not the arguments we use
2798 AC_MSG_CHECKING(for sysctl)
2799 AC_TRY_COMPILE(
2800 [#include <sys/types.h>
2801 #include <sys/sysctl.h>],
2802 [       int mib[2], r;
2803         size_t len;
2805         mib[0] = CTL_HW;
2806         mib[1] = HW_USERMEM;
2807         len = sizeof(r);
2808         (void)sysctl(mib, 2, &r, &len, (void *)0, (size_t)0);
2809         ],
2810         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSCTL),
2811         AC_MSG_RESULT(not usable))
2813 dnl sysinfo() may exist but not be Linux compatible
2814 AC_MSG_CHECKING(for sysinfo)
2815 AC_TRY_COMPILE(
2816 [#include <sys/types.h>
2817 #include <sys/sysinfo.h>],
2818 [       struct sysinfo sinfo;
2819         int t;
2821         (void)sysinfo(&sinfo);
2822         t = sinfo.totalram;
2823         ],
2824         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSINFO),
2825         AC_MSG_RESULT(not usable))
2827 dnl struct sysinfo may have the mem_unit field or not
2828 AC_MSG_CHECKING(for sysinfo.mem_unit)
2829 AC_TRY_COMPILE(
2830 [#include <sys/types.h>
2831 #include <sys/sysinfo.h>],
2832 [       struct sysinfo sinfo;
2833         sinfo.mem_unit = 1;
2834         ],
2835         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSINFO_MEM_UNIT),
2836         AC_MSG_RESULT(no))
2838 dnl sysconf() may exist but not support what we want to use
2839 AC_MSG_CHECKING(for sysconf)
2840 AC_TRY_COMPILE(
2841 [#include <unistd.h>],
2842 [       (void)sysconf(_SC_PAGESIZE);
2843         (void)sysconf(_SC_PHYS_PAGES);
2844         ],
2845         AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYSCONF),
2846         AC_MSG_RESULT(not usable))
2848 dnl Our own version of AC_CHECK_SIZEOF(int); fixes a bug when sizeof() can't
2849 dnl be printed with "%d", and avoids a warning for cross-compiling.
2851 AC_MSG_CHECKING(size of int)
2852 AC_CACHE_VAL(ac_cv_sizeof_int,
2853         [AC_TRY_RUN([
2854 #include <stdio.h>
2855 #if STDC_HEADERS
2856 # include <stdlib.h>
2857 # include <stddef.h>
2858 #endif
2859 main()
2861   FILE *f=fopen("conftestval", "w");
2862   if (!f) exit(1);
2863   fprintf(f, "%d\n", (int)sizeof(int));
2864   exit(0);
2866             ac_cv_sizeof_int=`cat conftestval`,
2867             ac_cv_sizeof_int=0,
2868             AC_MSG_ERROR(failed to compile test program))])
2869 AC_MSG_RESULT($ac_cv_sizeof_int)
2870 AC_DEFINE_UNQUOTED(SIZEOF_INT, $ac_cv_sizeof_int)
2873 dnl Check for memmove() before bcopy(), makes memmove() be used when both are
2874 dnl present, fixes problem with incompatibility between Solaris 2.4 and 2.5.
2876 [bcopy_test_prog='
2877 #include "confdefs.h"
2878 #ifdef HAVE_STRING_H
2879 # include <string.h>
2880 #endif
2881 #if STDC_HEADERS
2882 # include <stdlib.h>
2883 # include <stddef.h>
2884 #endif
2885 main() {
2886   char buf[10];
2887   strcpy(buf, "abcdefghi");
2888   mch_memmove(buf, buf + 2, 3);
2889   if (strncmp(buf, "ababcf", 6))
2890     exit(1);
2891   strcpy(buf, "abcdefghi");
2892   mch_memmove(buf + 2, buf, 3);
2893   if (strncmp(buf, "cdedef", 6))
2894     exit(1);
2895   exit(0); /* libc version works properly.  */
2898 AC_CACHE_CHECK([whether memmove handles overlaps],[vim_cv_memmove_handles_overlap],
2899   [
2900     AC_RUN_IFELSE([[#define mch_memmove(s,d,l) memmove(d,s,l) $bcopy_test_prog]],
2901       [
2902         vim_cv_memmove_handles_overlap=yes
2903       ],[
2904         vim_cv_memmove_handles_overlap=no
2905       ],[
2906         AC_MSG_ERROR(cross-compiling: please set 'vim_cv_memmove_handles_overlap')
2907       ])
2908   ])
2910 if test "x$vim_cv_memmove_handles_overlap" = "xyes" ; then
2911   AC_DEFINE(USEMEMMOVE)
2912 else
2913   AC_CACHE_CHECK([whether bcopy handles overlaps],[vim_cv_bcopy_handles_overlap],
2914     [
2915       AC_RUN_IFELSE([[#define mch_bcopy(s,d,l) bcopy(d,s,l) $bcopy_test_prog]],
2916       [
2917         vim_cv_bcopy_handles_overlap=yes
2918       ],[
2919         vim_cv_bcopy_handles_overlap=no
2920       ],[
2921         AC_MSG_ERROR(cross-compiling: please set 'vim_cv_bcopy_handles_overlap')
2922       ])
2923     ])
2925   if test "x$vim_cv_bcopy_handles_overlap" = "xyes" ; then
2926     AC_DEFINE(USEBCOPY)
2927   else
2928     AC_CACHE_CHECK([whether memcpy handles overlaps],[vim_cv_memcpy_handles_overlap],
2929       [
2930         AC_RUN_IFELSE([[#define mch_memcpy(s,d,l) memcpy(d,s,l) $bcopy_test_prog]],
2931           [
2932             vim_cv_memcpy_handles_overlap=yes
2933           ],[
2934             vim_cv_memcpy_handles_overlap=no
2935           ],[
2936             AC_MSG_ERROR(cross-compiling: please set 'vim_cv_memcpy_handles_overlap')
2937           ])
2938       ])
2940     if test "x$vim_cv_memcpy_handles_overlap" = "xyes" ; then
2941       AC_DEFINE(USEMEMCPY)
2942     fi
2943   fi
2947 dnl Check for multibyte locale functions
2948 dnl Find out if _Xsetlocale() is supported by libX11.
2949 dnl Check if X_LOCALE should be defined.
2951 if test "$enable_multibyte" = "yes"; then
2952   cflags_save=$CFLAGS
2953   ldflags_save=$LDFLAGS
2954   if test -n "$x_includes" ; then
2955     CFLAGS="$CFLAGS -I$x_includes"
2956     LDFLAGS="$X_LIBS $LDFLAGS -lX11"
2957     AC_MSG_CHECKING(whether X_LOCALE needed)
2958     AC_TRY_COMPILE([#include <X11/Xlocale.h>],,
2959         AC_TRY_LINK_FUNC([_Xsetlocale], [AC_MSG_RESULT(yes)
2960                 AC_DEFINE(X_LOCALE)], AC_MSG_RESULT(no)),
2961         AC_MSG_RESULT(no))
2962   fi
2963   CFLAGS=$cflags_save
2964   LDFLAGS=$ldflags_save
2967 dnl Link with xpg4, it is said to make Korean locale working
2968 AC_CHECK_LIB(xpg4, _xpg4_setrunelocale, [LIBS="$LIBS -lxpg4"],,)
2970 dnl Check how we can run ctags
2971 dnl --version for Exuberant ctags (preferred)
2972 dnl       Add --fields=+S to get function signatures for omni completion.
2973 dnl -t for typedefs (many ctags have this)
2974 dnl -s for static functions (Elvis ctags only?)
2975 dnl -v for variables. Dangerous, most ctags take this for 'vgrind style'.
2976 dnl -i+m to test for older Exuberant ctags
2977 AC_MSG_CHECKING(how to create tags)
2978 test -f tags && mv tags tags.save
2979 if (eval ctags --version /dev/null | grep Exuberant) < /dev/null 1>&AC_FD_CC 2>&1; then
2980   TAGPRG="ctags -I INIT+ --fields=+S"
2981 else
2982   (eval etags      /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && TAGPRG="etags"
2983   (eval etags -c   /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && TAGPRG="etags -c"
2984   (eval ctags      /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && TAGPRG="ctags"
2985   (eval ctags -t   /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && TAGPRG="ctags -t"
2986   (eval ctags -ts  /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && TAGPRG="ctags -ts"
2987   (eval ctags -tvs /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && TAGPRG="ctags -tvs"
2988   (eval ctags -i+m /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && TAGPRG="ctags -i+m"
2990 test -f tags.save && mv tags.save tags
2991 AC_MSG_RESULT($TAGPRG) AC_SUBST(TAGPRG)
2993 dnl Check how we can run man with a section number
2994 AC_MSG_CHECKING(how to run man with a section nr)
2995 MANDEF="man"
2996 (eval MANPAGER=cat PAGER=cat man -s 2 read) < /dev/null > /dev/null 2>&AC_FD_CC && MANDEF="man -s"
2997 AC_MSG_RESULT($MANDEF)
2998 if test "$MANDEF" = "man -s"; then
2999   AC_DEFINE(USEMAN_S)
3002 dnl Check if gettext() is working and if it needs -lintl
3003 AC_MSG_CHECKING(--disable-nls argument)
3004 AC_ARG_ENABLE(nls,
3005         [  --disable-nls           Don't support NLS (gettext()).], ,
3006         [enable_nls="yes"])
3008 if test "$enable_nls" = "yes"; then
3009   AC_MSG_RESULT(no)
3011   INSTALL_LANGS=install-languages
3012   AC_SUBST(INSTALL_LANGS)
3013   INSTALL_TOOL_LANGS=install-tool-languages
3014   AC_SUBST(INSTALL_TOOL_LANGS)
3016   AC_CHECK_PROG(MSGFMT, msgfmt, msgfmt, )
3017   AC_MSG_CHECKING([for NLS])
3018   if test -f po/Makefile; then
3019     have_gettext="no"
3020     if test -n "$MSGFMT"; then
3021       AC_TRY_LINK(
3022         [#include <libintl.h>],
3023         [gettext("Test");],
3024         AC_MSG_RESULT([gettext() works]); have_gettext="yes",
3025           olibs=$LIBS
3026           LIBS="$LIBS -lintl"
3027           AC_TRY_LINK(
3028               [#include <libintl.h>],
3029               [gettext("Test");],
3030               AC_MSG_RESULT([gettext() works with -lintl]); have_gettext="yes",
3031               AC_MSG_RESULT([gettext() doesn't work]);
3032               LIBS=$olibs))
3033     else
3034       AC_MSG_RESULT([msgfmt not found - disabled]);
3035     fi
3036     if test $have_gettext = "yes"; then
3037       AC_DEFINE(HAVE_GETTEXT)
3038       MAKEMO=yes
3039       AC_SUBST(MAKEMO)
3040       dnl this was added in GNU gettext 0.10.36
3041       AC_CHECK_FUNCS(bind_textdomain_codeset)
3042       dnl _nl_msg_cat_cntr is required for GNU gettext
3043       AC_MSG_CHECKING([for _nl_msg_cat_cntr])
3044       AC_TRY_LINK(
3045                 [#include <libintl.h>
3046                 extern int _nl_msg_cat_cntr;],
3047                 [++_nl_msg_cat_cntr;],
3048                 AC_MSG_RESULT([yes]); AC_DEFINE(HAVE_NL_MSG_CAT_CNTR),
3049                 AC_MSG_RESULT([no]))
3050     fi
3051   else
3052     AC_MSG_RESULT([no "po/Makefile" - disabled]);
3053   fi
3054 else
3055   AC_MSG_RESULT(yes)
3058 dnl Check for dynamic linking loader
3059 AC_CHECK_HEADER(dlfcn.h, DLL=dlfcn.h, [AC_CHECK_HEADER(dl.h, DLL=dl.h)])
3060 if test x${DLL} = xdlfcn.h; then
3061   AC_DEFINE(HAVE_DLFCN_H, 1, [ Define if we have dlfcn.h. ])
3062   AC_MSG_CHECKING([for dlopen()])
3063   AC_TRY_LINK(,[
3064                 extern void* dlopen();
3065                 dlopen();
3066       ],
3067       AC_MSG_RESULT(yes);
3068               AC_DEFINE(HAVE_DLOPEN, 1, [ Define if we have dlopen() ]),
3069       AC_MSG_RESULT(no);
3070               AC_MSG_CHECKING([for dlopen() in -ldl])
3071               olibs=$LIBS
3072               LIBS="$LIBS -ldl"
3073               AC_TRY_LINK(,[
3074                                 extern void* dlopen();
3075                                 dlopen();
3076                  ],
3077                  AC_MSG_RESULT(yes);
3078                           AC_DEFINE(HAVE_DLOPEN, 1, [ Define if we have dlopen() ]),
3079                  AC_MSG_RESULT(no);
3080                           LIBS=$olibs))
3081   dnl ReliantUNIX has dlopen() in libc but everything else in libdl
3082   dnl ick :-)
3083   AC_MSG_CHECKING([for dlsym()])
3084   AC_TRY_LINK(,[
3085                 extern void* dlsym();
3086                 dlsym();
3087       ],
3088       AC_MSG_RESULT(yes);
3089               AC_DEFINE(HAVE_DLSYM, 1, [ Define if we have dlsym() ]),
3090       AC_MSG_RESULT(no);
3091               AC_MSG_CHECKING([for dlsym() in -ldl])
3092               olibs=$LIBS
3093               LIBS="$LIBS -ldl"
3094               AC_TRY_LINK(,[
3095                                 extern void* dlsym();
3096                                 dlsym();
3097                  ],
3098                  AC_MSG_RESULT(yes);
3099                           AC_DEFINE(HAVE_DLSYM, 1, [ Define if we have dlsym() ]),
3100                  AC_MSG_RESULT(no);
3101                           LIBS=$olibs))
3102 elif test x${DLL} = xdl.h; then
3103   AC_DEFINE(HAVE_DL_H, 1, [ Define if we have dl.h. ])
3104   AC_MSG_CHECKING([for shl_load()])
3105   AC_TRY_LINK(,[
3106                 extern void* shl_load();
3107                 shl_load();
3108      ],
3109      AC_MSG_RESULT(yes);
3110           AC_DEFINE(HAVE_SHL_LOAD, 1, [ Define if we have shl_load() ]),
3111      AC_MSG_RESULT(no);
3112           AC_MSG_CHECKING([for shl_load() in -ldld])
3113           olibs=$LIBS
3114           LIBS="$LIBS -ldld"
3115           AC_TRY_LINK(,[
3116                         extern void* shl_load();
3117                         shl_load();
3118              ],
3119              AC_MSG_RESULT(yes);
3120                   AC_DEFINE(HAVE_SHL_LOAD, 1, [ Define if we have shl_load() ]),
3121              AC_MSG_RESULT(no);
3122                   LIBS=$olibs))
3124 AC_CHECK_HEADERS(setjmp.h)
3126 if test "x$MACOSX" = "xyes" -a -n "$PERL"; then
3127   dnl -ldl must come after DynaLoader.a
3128   if echo $LIBS | grep -e '-ldl' >/dev/null; then
3129     LIBS=`echo $LIBS | sed s/-ldl//`
3130     PERL_LIBS="$PERL_LIBS -ldl"
3131   fi
3134 if test "x$MACOSX" = "xyes" && test "x$CARBON" = "xyes" \
3135         && test "x$GUITYPE" != "xCARBONGUI"; then
3136   AC_MSG_CHECKING(whether we need -framework Carbon)
3137   dnl check for MACOSX without Carbon GUI, but with FEAT_MBYTE
3138   if test "x$enable_multibyte" = "xyes" || test "x$features" = "xbig" \
3139         || test "x$features" = "xhuge"; then
3140     LIBS="$LIBS -framework Carbon"
3141     AC_MSG_RESULT(yes)
3142   else
3143     AC_MSG_RESULT(no)
3144   fi
3146 if test "x$MACARCH" = "xboth"; then
3147   LDFLAGS="$LDFLAGS -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch i386 -arch ppc"
3150 dnl gcc 3.1 changed the meaning of -MM.  The only solution appears to be to
3151 dnl use "-isystem" instead of "-I" for all non-Vim include dirs.
3152 dnl But only when making dependencies, cproto and lint don't take "-isystem".
3153 dnl Mac gcc returns "powerpc-apple-darwin8-gcc-4.0.1 (GCC)...", need to allow
3154 dnl the number before the version number.
3155 AC_MSG_CHECKING(for GCC 3 or later)
3156 DEPEND_CFLAGS_FILTER=
3157 if test "$GCC" = yes; then
3158   gccmajor=`echo "$gccversion" | sed -e 's/^\([[1-9]]\)\..*$/\1/g'`
3159   if test "$gccmajor" -gt "2"; then
3160     DEPEND_CFLAGS_FILTER="| sed 's+-I */+-isystem /+g'"
3161   fi
3163 if test "$DEPEND_CFLAGS_FILTER" = ""; then
3164   AC_MSG_RESULT(no)
3165 else
3166   AC_MSG_RESULT(yes)
3168 AC_SUBST(DEPEND_CFLAGS_FILTER)
3170 dnl write output files
3171 AC_OUTPUT(auto/config.mk:config.mk.in)
3173 dnl vim: set sw=2 tw=78 fo+=l: