1 dnl Some useful functions for LyXs configure.in -*- sh -*-
2 dnl Author: Jean-Marc Lasgouttes (Jean-Marc.Lasgouttes@inria.fr)
3 dnl Lars Gullik Bjønnes (larsbj@lyx.org)
4 dnl Allan Rae (rae@lyx.org)
7 dnl Usage LYX_CHECK_VERSION Displays version of LyX being built and
8 dnl sets variables "lyx_devel_version" and "lyx_prerelease"
9 AC_DEFUN([LYX_CHECK_VERSION],[
10 echo "configuring LyX version" AC_PACKAGE_VERSION
13 case AC_PACKAGE_VERSION in
14 *svn*) lyx_devel_version=yes
15 AC_DEFINE(DEVEL_VERSION, 1, [Define if you are building a development version of LyX])
16 LYX_DATE="not released yet"
17 echo "WARNING: This is a development version. Expect bugs.";;
18 *pre*|*alpha*|*beta*|*rc*) lyx_prerelease=yes
19 echo "WARNING: This is a prerelease. Be careful and backup your documents.";;
21 AC_SUBST(lyx_devel_version)])
24 dnl Define the option to set a LyX version on installed executables and directories
27 AC_DEFUN([LYX_VERSION_SUFFIX],[
28 AC_MSG_CHECKING([for version suffix])
29 dnl We need the literal double quotes in the rpm spec file
30 RPM_VERSION_SUFFIX='""'
31 AC_ARG_WITH(version-suffix,
32 [ --with-version-suffix[=<version>] install lyx files as lyx<version>],
33 [if test "x$withval" = "xyes";
35 withval="-"AC_PACKAGE_VERSION
36 ac_configure_args=`echo $ac_configure_args | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
38 version_suffix=$withval
39 RPM_VERSION_SUFFIX="--with-version-suffix=$withval"])
40 AC_SUBST(RPM_VERSION_SUFFIX)
41 AC_MSG_RESULT([$withval])
45 dnl Usage: LYX_ERROR(message) Displays the warning "message" and sets the
46 dnl flag lyx_error to yes.
47 AC_DEFUN([LYX_ERROR],[
48 lyx_error_txt="$lyx_error_txt
54 dnl Usage: LYX_WARNING(message) Displays the warning "message" and sets the
55 dnl flag lyx_warning to yes.
56 AC_DEFUN([LYX_WARNING],[
57 lyx_warning_txt="$lyx_warning_txt
63 dnl Usage: LYX_LIB_ERROR(file,library) Displays an error message indication
64 dnl that 'file' cannot be found because 'lib' may be uncorrectly installed.
65 AC_DEFUN([LYX_LIB_ERROR],[
66 LYX_ERROR([Cannot find $1. Please check that the $2 library
67 is correctly installed on your system.])])
70 dnl Usage: LYX_CHECK_ERRORS Displays a warning message if a LYX_ERROR
71 dnl has occured previously.
72 AC_DEFUN([LYX_CHECK_ERRORS],[
73 if test x$lyx_warning = xyes; then
75 === The following minor problems have been detected by configure.
76 === Please check the messages below before running 'make'.
77 === (see the section 'Problems' in the INSTALL file)
81 if test x$lyx_error = xyes; then
83 **** The following problems have been detected by configure.
84 **** Please check the messages below before running 'make'.
85 **** (see the section 'Problems' in the INSTALL file)
93 Configuration of LyX was successful.
94 Type 'make' to compile the program,
95 and then 'make install' to install it.
100 dnl LYX_SEARCH_PROG(VARIABLE-NAME,PROGRAMS-LIST,ACTION-IF-FOUND)
102 define(LYX_SEARCH_PROG,[dnl
103 for ac_prog in $2 ; do
104 # Extract the first word of "$ac_prog", so it can be a program name with args.
105 set dummy $ac_prog ; ac_word=$[2]
106 if test -z "[$]$1"; then
107 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
108 for ac_dir in $PATH; do
109 test -z "$ac_dir" && ac_dir=.
110 if test -f [$ac_dir/$ac_word]; then
118 if test -n "[$]$1"; then
124 test -n "[$]$1" && break
129 AC_DEFUN([LYX_PROG_CXX_WORKS],
131 cat >conftest.C <<EOF
133 // we require the mutable keyword
136 // we require namespace support
144 $CXX -c $CXXFLAGS $CPPFLAGS conftest.C >&5 || CXX=
145 rm -f conftest.C conftest.o conftest.obj || true
149 AC_DEFUN([LYX_PROG_CXX],
150 [AC_MSG_CHECKING([for a good enough C++ compiler])
151 LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS])
153 if test -z "$CXX" ; then
154 AC_MSG_ERROR([Unable to find a good enough C++ compiler])
160 ### We might want to get or shut warnings.
161 AC_ARG_ENABLE(warnings,
162 AC_HELP_STRING([--enable-warnings],[tell the compiler to display more warnings]),,
163 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
168 if test x$enable_warnings = xyes ; then
169 lyx_flags="warnings $lyx_flags"
170 AC_DEFINE(WITH_WARNINGS, 1,
171 [Define this if you want to see the warning directives put here and
172 there by the developpers to get attention])
175 ### We might want to disable debug
177 AC_HELP_STRING([--enable-debug],[enable debug information]),,
178 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes ; then
184 AC_ARG_ENABLE(stdlib-debug,
185 AC_HELP_STRING([--enable-stdlib-debug],[enable debug mode in the standard library]),,
186 [ if test $lyx_devel_version = yes ; then
187 enable_stdlib_debug=yes;
189 enable_stdlib_debug=no;
192 AC_ARG_ENABLE(concept-checks,
193 AC_HELP_STRING([--enable-concept-checks],[enable concept checks]),,
194 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes ; then
195 enable_concept_checks=yes;
197 enable_concept_checks=no;
200 AC_ARG_ENABLE(profiling,
201 AC_HELP_STRING([--enable-profiling],[enable profiling]),,
202 enable_profiling=no;)
204 ### set up optimization
205 AC_ARG_ENABLE(optimization,
206 AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),,
207 enable_optimization=yes;)
208 case $enable_optimization in
210 if test $lyx_devel_version = yes ; then
216 *) lyx_opt=${enable_optimization};;
220 AC_HELP_STRING([--enable-pch],[enable precompiled headers]),,
224 # set the compiler options correctly.
225 if test x$GXX = xyes; then
226 dnl Useful for global version info
227 gxx_version=`${CXX} -dumpversion`
228 CXX_VERSION="($gxx_version)"
230 if test "$ac_test_CXXFLAGS" = set; then
231 CXXFLAGS="$ac_save_CXXFLAGS"
235 if test x$enable_debug = xyes ; then
237 CXXFLAGS="-g $CXXFLAGS"
239 if test x$enable_profiling = xyes ; then
241 CXXFLAGS="-pg $CXXFLAGS"
242 LDFLAGS="-pg $LDFLAGS"
245 if test "$ac_env_CPPFLAGS_set" != set; then
246 if test x$enable_warnings = xyes ; then
249 CPPFLAGS="-W -Wall $CPPFLAGS"
252 CPPFLAGS="-Wextra -Wall $CPPFLAGS "
258 3.1*) AM_CXXFLAGS="-finline-limit=500 ";;
259 3.2*|3.3*) AM_CXXFLAGS="";;
262 test $enable_pch = yes && lyx_pch_comp=yes
266 if test x$enable_stdlib_debug = xyes ; then
269 lyx_flags="stdlib-debug $lyx_flags"
270 AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
271 AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
275 if test x$enable_concept_checks = xyes ; then
278 lyx_flags="concept-checks $lyx_flags"
279 AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
282 lyx_flags="concept-checks $lyx_flags"
283 AC_DEFINE(_GLIBCXX_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
288 test "$lyx_pch_comp" = yes && lyx_flags="pch $lyx_flags"
289 AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes)
293 dnl NOT USED CURRENTLY*************************************
294 dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
296 AC_DEFUN([LYX_CXX_RTTI],[
297 ### Check whether the compiler supports runtime type information
298 AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
302 virtual int tag() { return 0; }
304 class derived1 : public rtti {
306 int tag() { return 1; }
308 class derived2 : public rtti {
310 int tag() { return 2; }
313 derived1 * foo1 = new derived1();
314 derived2 * foo2 = new derived2();
316 derived1 * bar1 = dynamic_cast<derived1 *>(bar);
320 bar1 = dynamic_cast<derived1 *>(bar);
325 ],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
327 if test x$lyx_cv_rtti = xyes ; then
328 AC_DEFINE(HAVE_RTTI, 1,
329 [Define to 1 if your compiler supports runtime type information])
333 dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
334 dnl understands the "explicit" directive.
335 AC_DEFUN([LYX_CXX_EXPLICIT],[
336 ### Check whether the compiler understands the keyword `explicit'
337 AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
342 };],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
344 if test $lyx_cv_explicit = no ; then
345 AC_DEFINE(explicit,[ ],
346 [Define to nothing if your compiler does not understand the
347 'explicit' directive])
351 dnl NOT USED CURRENTLY*************************************
352 dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
353 dnl has a working stl stack template
354 AC_DEFUN([LYX_CXX_STL_STACK],[
355 AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
362 ],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
364 if test $lyx_cv_broken_stack = yes ; then
365 AC_DEFINE(BROKEN_STL_STACK, 1,
366 [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
371 dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
372 dnl count template, if not the old HP version is assumed.
373 AC_DEFUN([LYX_STD_COUNT],[
374 AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
378 int countChar(char * b, char * e, char const c)
380 return count(b, e, c);
384 int i = countChar(a, a + 5, 'l');
385 ],lyx_cv_std_count=yes,lyx_cv_std_count=no)
387 if test $lyx_cv_std_count = yes ; then
388 AC_DEFINE(HAVE_STD_COUNT, 1,
389 [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
393 dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
394 dnl supports modern STL streams
395 AC_DEFUN([LYX_CXX_STL_MODERN_STREAMS],[
396 AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
400 std::streambuf * test = std::cerr.rdbuf();
402 ],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
404 if test $lyx_cv_modern_streams = yes ; then
405 AC_DEFINE(MODERN_STL_STREAMS, 1,
406 [Define if you have modern standard-compliant STL streams])
410 dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
412 AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
413 AC_ARG_WITH(included-boost,
414 [ --with-included-boost use the boost lib supplied with LyX],
415 [lyx_cv_with_included_boost=$withval
416 AC_MSG_RESULT([$with_included_boost])],
417 [lyx_cv_with_included_boost=yes])
418 AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
422 dnl NOT USED CURRENTLY*************************************
424 AC_DEFUN([LYX_CXX_PARTIAL], [
425 AC_REQUIRE([AC_PROG_CXX])
426 AC_CACHE_CHECK([if C++ compiler supports partial specialization],
427 [lyx_cv_cxx_partial_specialization],
430 template<class T, class K>
434 template<class T> class k<void,T> { };
439 lyx_cv_cxx_partial_specialization=yes
441 lyx_cv_cxx_partial_specialization=no
444 if test x$lyx_cv_cxx_partial_specialization = xyes ; then
445 AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
446 [Defined if your compiler supports partial specialization.])
451 dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
452 dnl are already in the global namespace
453 AC_DEFUN([LYX_CXX_GLOBAL_CSTD],[
454 AC_CACHE_CHECK(whether C library functions are already in the global namespace,
455 lyx_cv_cxx_global_cstd,
461 ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
462 if test x$lyx_cv_cxx_global_cstd = xyes; then
463 AC_DEFINE(CXX_GLOBAL_CSTD,1,
464 [Define if your C++ compiler puts C library functions in the global namespace])
469 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
470 dnl [default-yes-value])
471 dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
472 dnl resulting directory name in 'dir-var-name'.
473 AC_DEFUN([LYX_WITH_DIR],[
474 AC_ARG_WITH($1,[ --with-$1 specify $2])
475 AC_MSG_CHECKING([for $2])
476 if test -z "$with_$3"; then
477 AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
479 test "x$with_$3" = xyes && with_$3=$5
482 AC_MSG_RESULT($lyx_cv_$3)])
485 dnl Usage: LYX_LOOP_DIR(value,action)
486 dnl Executes action for values of variable `dir' in `values'. `values' can
487 dnl use ":" as a separator.
488 AC_DEFUN([LYX_LOOP_DIR],[
489 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
490 for dir in `eval "echo $1"`; do
491 if test ! "$dir" = NONE; then
492 test ! -d "$dir" && AC_MSG_ERROR([\"$dir\" is not a directory])
500 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
502 AC_DEFUN([LYX_ADD_LIB_DIR],[
504 if test "`(uname) 2>/dev/null`" = SunOS &&
505 uname -r | grep '^5' >/dev/null; then
506 if test $ac_cv_prog_gxx = yes ; then
507 $1="${$1} -Wl[,]-R$2"
514 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
516 AC_DEFUN([LYX_ADD_INC_DIR],[$1="${$1} -I$2 "])
518 ### Check for a headers existence and location iff it exists
519 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
520 ## It almost works. I've tried a few variations but they give errors
521 ## of one sort or other: bad substitution or file not found etc. The
522 ## actual header _is_ found though and the cache variable is set however
523 ## the reported setting (on screen) is equal to $ac_safe for some unknown
525 ## Additionally, autoheader can't figure out what to use as the name in
526 ## the config.h.in file so we need to write our own entries there -- one for
527 ## each header in the form PATH_HEADER_NAME_H
529 AC_DEFUN([LYX_PATH_HEADER],
530 [ AC_CHECK_HEADER($1,[
531 ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
532 ### the only remaining problem is getting the second parameter to this
533 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
534 ### of $ac_safe being printed.
535 AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
536 [ cat > conftest.$ac_ext <<EOF
537 #line __oline__ "configure"
538 #include "confdefs.h"
542 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
543 grep $1 2>/dev/null | \
544 sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
545 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
547 AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path, [dummy])])
549 ### end of LYX_PATH_HEADER
551 ### Check which frontends we want to use.
553 AC_DEFUN([LYX_USE_FRONTENDS],
554 [AC_MSG_CHECKING([what frontend should be used for the GUI])
555 AC_ARG_WITH(frontend,
556 [ --with-frontend=THIS Use THIS frontend as main GUI:
557 Possible values: qt4],
558 [FRONTENDS="$withval"],[FRONTENDS="qt4"])
559 if test "x$FRONTENDS" = x ; then
561 AC_ERROR("Please select a frontend using --with-frontend")
563 AC_MSG_RESULT($FRONTENDS)
565 AC_SUBST(FRONTENDS_SUBDIRS)
566 AC_SUBST(FRONTENDS_PROGS)
570 ## Check what kind of packaging should be used at install time.
571 ## The default is autodetected.
572 AC_DEFUN([LYX_USE_PACKAGING],
573 [AC_MSG_CHECKING([what packaging should be used])
574 AC_ARG_WITH(packaging,
575 [ --with-packaging=THIS Use THIS packaging for installation:
576 Possible values: posix, windows, macosx],
577 [lyx_use_packaging="$withval"], [
579 *-apple-darwin*) lyx_use_packaging=macosx ;;
580 *-pc-mingw32*) lyx_use_packaging=windows;;
581 *) lyx_use_packaging=posix;;
583 AC_MSG_RESULT($lyx_use_packaging)
584 lyx_install_macosx=false
585 case $lyx_use_packaging in
586 macosx) AC_DEFINE(USE_MACOSX_PACKAGING, 1, [Define to 1 if LyX should use a MacOS X application bundle file layout])
587 PACKAGE=LyX${version_suffix}
588 default_prefix="/Applications/${PACKAGE}.app"
589 bindir='${prefix}/Contents/MacOS'
590 libdir='${prefix}/Contents/Resources'
591 datadir='${prefix}/Contents/Resources'
592 pkgdatadir='${datadir}'
593 mandir='${datadir}/man'
594 lyx_install_macosx=true ;;
595 windows) AC_DEFINE(USE_WINDOWS_PACKAGING, 1, [Define to 1 if LyX should use a Windows-style file layout])
596 PACKAGE=LyX${version_suffix}
597 default_prefix="C:/Program Files/${PACKAGE}"
598 bindir='${prefix}/bin'
599 libdir='${prefix}/Resources'
600 datadir='${prefix}/Resources'
601 pkgdatadir='${datadir}'
602 mandir='${prefix}/Resources/man' ;;
603 posix) AC_DEFINE(USE_POSIX_PACKAGING, 1, [Define to 1 if LyX should use a POSIX-style file layout])
604 PACKAGE=lyx${version_suffix}
605 program_suffix=$version_suffix
606 pkgdatadir='${datadir}/${PACKAGE}'
607 default_prefix=$ac_default_prefix ;;
608 *) LYX_ERROR([Unknown packaging type $lyx_use_packaging]) ;;
610 AM_CONDITIONAL(INSTALL_MACOSX, $lyx_install_macosx)
612 AC_SUBST(program_suffix)
616 ## ------------------------------------------------------------------------
617 ## Find a file (or one of more files in a list of dirs)
618 ## ------------------------------------------------------------------------
620 AC_DEFUN([AC_FIND_FILE],
627 if test -r "$i/$j"; then
635 dnl just a wrapper to clean up configure.in
636 AC_DEFUN([LYX_PROG_LIBTOOL],
638 AC_REQUIRE([AC_ENABLE_SHARED])
639 AC_REQUIRE([AC_ENABLE_STATIC])
640 dnl libtool is only for C, so I must force him
641 dnl to find the correct flags for C++
643 ac_save_cflags="$CFLAGS"
646 AC_PROG_LIBTOOL dnl for libraries
648 CFLAGS="$ac_save_cflags"
652 ## ------------------------------------------------------------------------
653 ## Check whether mkdir() is mkdir or _mkdir, and whether it takes
654 ## one or two arguments.
656 ## http://ac-archive.sourceforge.net/C_Support/ac_func_mkdir.html
657 ## ------------------------------------------------------------------------
659 AC_DEFUN([AC_FUNC_MKDIR],
660 [AC_CHECK_FUNCS([mkdir _mkdir])
661 AC_CACHE_CHECK([whether mkdir takes one argument],
662 [ac_cv_mkdir_takes_one_arg],
664 #include <sys/stat.h>
669 [ac_cv_mkdir_takes_one_arg=yes], [ac_cv_mkdir_takes_one_arg=no])])
670 if test x"$ac_cv_mkdir_takes_one_arg" = xyes; then
671 AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
672 [Define if mkdir takes only one argument.])
677 dnl Set VAR to the canonically resolved absolute equivalent of PATHNAME,
678 dnl (which may be a relative path, and need not refer to any existing
681 dnl On Win32-MSYS build hosts, the returned path is resolved to its true
682 dnl native Win32 path name, (but with slashes, not backslashes).
684 dnl On any other system, it is simply the result which would be obtained
685 dnl if PATHNAME represented an existing directory, and the pwd command was
686 dnl executed in that directory.
687 AC_DEFUN([MSYS_AC_CANONICAL_PATH],
689 ( exec 2>/dev/null; cd / && pwd -W ) | grep ':' >/dev/null &&
690 ac_pwd_w="pwd -W" || ac_pwd_w=pwd
691 until ac_val=`exec 2>/dev/null; cd "$ac_dir" && $ac_pwd_w`
693 ac_dir=`AS_DIRNAME(["$ac_dir"])`
695 ac_dir=`echo "$ac_dir" | sed 's?^[[./]]*??'`
696 ac_val=`echo "$ac_val" | sed 's?/*$[]??'`
697 $1=`echo "$2" | sed "s?^[[./]]*$ac_dir/*?$ac_val/?"'
701 dnl this is used by the macro blow to general a proper config.h.in entry
702 m4_define([LYX_AH_CHECK_DECL],
703 [AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_$1),
704 [Define if you have the prototype for function `$1'])])
706 dnl Check things are declared in headers to avoid errors or warnings.
707 dnl Called like LYX_CHECK_DECL(function, header1 header2...)
708 dnl Defines HAVE_DECL_{FUNCTION}
709 AC_DEFUN([LYX_CHECK_DECL],
710 [LYX_AH_CHECK_DECL($1)
713 AC_MSG_CHECKING([if $1 is declared by header $ac_header])
714 AC_EGREP_HEADER($1, $ac_header,
716 AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DECL_$1))