1 dnl Process this file with autoconf to produce a configure script
6 dnl We use these options to decide which functions to include.
7 AC_ARG_WITH(target-subdir,
8 [ --with-target-subdir=SUBDIR Configuring in a subdirectory])
9 AC_ARG_WITH(cross-host,
10 [ --with-cross-host=HOST Configuring with a cross compiler])
12 [ --with-newlib Configuring with newlib])
14 if test "${srcdir}" = "."; then
15 if test -z "${with_target_subdir}"; then
16 libiberty_topdir="${srcdir}/.."
18 if test "${with_target_subdir}" != "."; then
19 libiberty_topdir="${srcdir}/${with_multisrctop}../.."
21 libiberty_topdir="${srcdir}/${with_multisrctop}.."
25 libiberty_topdir="${srcdir}/.."
27 AC_CONFIG_AUX_DIR($libiberty_topdir)
29 dnl Very limited version of automake's enable-maintainer-mode
31 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
32 dnl maintainer-mode is disabled by default
33 AC_ARG_ENABLE(maintainer-mode,
34 [ --enable-maintainer-mode
35 enable make rules and dependencies not useful
36 (and sometimes confusing) to the casual installer],
37 maintainer_mode=$enableval,
40 AC_MSG_RESULT($maintainer_mode)
42 if test "$maintainer_mode" = "yes"; then
52 # Do we have a single-tree copy of texinfo? Even if we do, we can't
53 # rely on it - libiberty is built before texinfo.
54 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
55 if test "x$MAKEINFO" = "x"; then
56 MAKEINFO="@echo makeinfo missing; true"
60 case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
62 MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
65 *** Makeinfo is too old. Info documentation will not be built.])
72 AC_CHECK_PROG(PERL, perl, perl, )
73 if test x"$PERL" = x""; then
82 dnl When we start using automake:
83 dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
85 dnl These must be called before AM_PROG_LIBTOOL, because it may want
86 dnl to call AC_CHECK_PROG.
88 AC_CHECK_TOOL(RANLIB, ranlib, :)
96 dnl When we start using libtool:
97 dnl Default to a non shared library. This may be overridden by the
98 dnl configure option --enable-shared.
101 dnl When we start using libtool:
104 dnl When we start using automake:
105 dnl AM_CONFIG_HEADER(config.h:config.in)
106 AC_CONFIG_HEADER(config.h:config.in)
108 dnl When we start using automake:
109 dnl AM_MAINTAINER_MODE
112 dnl When we start using automake:
116 . ${srcdir}/config.table
117 host_makefile_frag=${frag}
118 AC_SUBST_FILE(host_makefile_frag)
120 # It's OK to check for header files. Although the compiler may not be
121 # able to link anything, it had better be able to at least compile
123 AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h)
127 libiberty_AC_DECLARE_ERRNO
129 AC_MSG_CHECKING(for uintptr_t)
130 AC_EGREP_HEADER(uintptr_t, sys/types.h,
131 libiberty_cv_uintptr_t=yes, libiberty_cv_uintptr_t=no)
133 if test $libiberty_cv_uintptr_t = yes
135 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
141 # This is the list of functions which libiberty will provide if they
142 # are not available on the host.
145 funcs="$funcs atexit"
146 funcs="$funcs basename"
149 funcs="$funcs bsearch"
151 funcs="$funcs calloc"
154 funcs="$funcs getcwd"
155 funcs="$funcs getpagesize"
157 funcs="$funcs insque"
158 funcs="$funcs memchr"
159 funcs="$funcs memcmp"
160 funcs="$funcs memcpy"
161 funcs="$funcs memmove"
162 funcs="$funcs memset"
163 funcs="$funcs mkstemps"
164 funcs="$funcs putenv"
165 funcs="$funcs random"
166 funcs="$funcs rename"
167 funcs="$funcs rindex"
168 funcs="$funcs setenv"
169 funcs="$funcs sigsetmask"
170 funcs="$funcs strcasecmp"
171 funcs="$funcs strchr"
172 funcs="$funcs strdup"
173 funcs="$funcs strncasecmp"
174 funcs="$funcs strrchr"
175 funcs="$funcs strstr"
176 funcs="$funcs strtod"
177 funcs="$funcs strtol"
178 funcs="$funcs strtoul"
179 funcs="$funcs tmpnam"
180 funcs="$funcs vasprintf"
181 funcs="$funcs vfprintf"
182 funcs="$funcs vprintf"
183 funcs="$funcs vsprintf"
184 funcs="$funcs waitpid"
186 # Also in the old function.def file: alloca, vfork, getopt.
188 vars="sys_errlist sys_nerr sys_siglist"
190 checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
192 # These are neither executed nor required, but they help keep
193 # autoheader happy without adding a bunch of text to acconfig.h.
194 if test "x" = "y"; then
195 AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock)
196 AC_CHECK_FUNCS(getcwd getpagesize index insque mkstemps memchr memcmp memcpy)
197 AC_CHECK_FUNCS(memmove memset putenv random rename rindex sigsetmask)
198 AC_CHECK_FUNCS(strcasecmp setenv strchr strdup strncasecmp strrchr strstr)
199 AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf)
200 AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal)
201 AC_CHECK_FUNCS(sysconf times sbrk gettimeofday ffs)
202 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
203 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
204 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
207 # For each of these functions, if the host does not provide the
208 # function we want to put FN.o in LIBOBJS, and if the host does
209 # provide the function, we want to define HAVE_FN in config.h.
213 if test -n "${with_target_subdir}"; then
215 # We are being configured as a target library. AC_REPLACE_FUNCS
216 # may not work correctly, because the compiler may not be able to
217 # link executables. Note that we may still be being configured
220 # If we are being configured for newlib, we know which functions
221 # newlib provide and which ones we will be expected to provide.
223 if test "x${with_newlib}" = "xyes"; then
224 LIBOBJS="asprintf.o basename.o insque.o random.o strdup.o vasprintf.o"
228 asprintf | basename | insque | random | strdup | vasprintf)
231 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
232 AC_DEFINE_UNQUOTED($n)
237 # newlib doesnt provide any of the variables in $vars, so we
238 # dont have to check them here.
240 # Of the functions in $checkfuncs, newlib only has strerror.
241 AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
249 # Not a target library, so we set things up to run the test suite.
250 CHECK=check-cplus-dem
258 AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST)
259 AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR)
263 if test -z "${setobjs}"; then
267 # Handle VxWorks configuration specially, since on VxWorks the
268 # libraries are actually on the target board, not in the file
270 LIBOBJS="basename.o getpagesize.o insque.o random.o strcasecmp.o"
271 LIBOBJS="$LIBOBJS strncasecmp.o strdup.o vfork.o waitpid.o vasprintf.o"
274 basename | getpagesize | insque | random | strcasecmp)
276 strncasecmp | strdup | vfork | waitpid | vasprintf)
279 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
280 AC_DEFINE_UNQUOTED($n)
285 # VxWorks doesn't provide any of the variables in $vars, so we
286 # don't have to check them here.
288 # Of the functions in $checkfuncs, VxWorks only has strerror.
289 AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR)
297 if test -z "${setobjs}"; then
302 # The Cygwin library actually uses a couple of files from
303 # libiberty when it is built. If we are building a native
304 # Cygwin, and we run the tests, we will appear to have these
305 # files. However, when we go on to build winsup, we will wind up
306 # with a library which does not have the files, since they should
307 # have come from libiberty.
309 # We handle this by removing the functions the winsup library
310 # provides from our shell variables, so that they appear to be
313 # DJ - only if we're *building* cygwin, not just building *with* cygwin
315 if test -n "${with_target_subdir}"
317 funcs="`echo $funcs | sed -e 's/random//'`"
318 LIBOBJS="$LIBOBJS random.o"
319 vars="`echo $vars | sed -e 's/sys_siglist//'`"
320 checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`"
325 # Under mingw32, sys_nerr and sys_errlist exist, but they are
326 # macros, so the test below won't find them.
327 libiberty_cv_var_sys_nerr=yes
328 libiberty_cv_var_sys_errlist=yes
332 # Under some versions of uwin, vfork is notoriously buggy and the test
333 # can hang configure; on other versions, vfork exists just as a stub.
334 # FIXME: This should be removed once vfork in uwin's runtime is fixed.
335 ac_cv_func_vfork_works=no
336 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
337 # macros (actually, these are imported from a DLL, but the end effect
338 # is the same), so the test below won't find them.
339 libiberty_cv_var_sys_nerr=yes
340 libiberty_cv_var_sys_errlist=yes
345 # We haven't set the list of objects yet. Use the standard autoconf
346 # tests. This will only work if the compiler works.
348 AC_REPLACE_FUNCS($funcs)
349 libiberty_AC_FUNC_C_ALLOCA
351 if test $ac_cv_func_vfork_works = no; then
352 LIBOBJS="$LIBOBJS vfork.o"
354 # We only need _doprnt if we might use it to implement v*printf.
355 if test $ac_cv_func_vprintf != yes \
356 || test $ac_cv_func_vfprintf != yes \
357 || test $ac_cv_func_vsprintf != yes; then
358 AC_REPLACE_FUNCS(_doprnt)
362 AC_MSG_CHECKING([for $v])
363 AC_CACHE_VAL(libiberty_cv_var_$v,
364 [AC_TRY_LINK([int *p;], [extern int $v; p = &$v;],
365 [eval "libiberty_cv_var_$v=yes"],
366 [eval "libiberty_cv_var_$v=no"])])
367 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
369 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
370 AC_DEFINE_UNQUOTED($n)
375 AC_CHECK_FUNCS($checkfuncs)
378 libiberty_AC_FUNC_STRNCMP
380 # Install a library built with a cross compiler in $(tooldir) rather
382 if test -z "${with_cross_host}"; then
387 AC_SUBST(INSTALL_DEST)
389 # We need multilib support, but only if configuring for the target.
390 AC_OUTPUT(Makefile testsuite/Makefile,
391 [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
392 if test -n "$CONFIG_FILES"; then
393 if test -n "${with_target_subdir}"; then
394 # FIXME: We shouldn't need to set ac_file
396 . ${libiberty_topdir}/config-ml.in
402 with_target_subdir=${with_target_subdir}
403 with_multisubdir=${with_multisubdir}
404 ac_configure_args="--enable-multilib ${ac_configure_args}"
405 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
406 libiberty_topdir=${libiberty_topdir}