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,[
11 echo "configuring LyX version $VERSION"
12 if echo "$VERSION" | grep 'cvs' >/dev/null ; then
14 echo "WARNING: This is a development version. Expect bugs."
18 if echo "$VERSION" | grep 'pre' > /dev/null ; then
20 echo "WARNING: This is a prerelease. Be careful and backup your documents."
25 AC_SUBST(lyx_devel_version)
26 if test $lyx_devel_version = yes ; then
27 AC_DEFINE(DEVEL_VERSION, 1, Define if you are building a development version of LyX)
31 dnl Define the option to set a LyX version on installed executables and directories
34 AC_DEFUN(LYX_VERSION_SUFFIX,[
35 AC_MSG_CHECKING([for install target ... ])
36 AC_ARG_WITH(version-suffix,
37 [ --with-version-suffix[=<version>] install lyx files as lyx<version>],
38 [if test "x$withval" = "xyes";
41 ac_configure_args=`echo $ac_configure_args | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
44 program_suffix=$withval],
46 AC_MSG_RESULT([$lyxname])
49 dnl Usage: LYX_ERROR(message) Displays the warning "message" and sets the
50 dnl flag lyx_error to yes.
52 lyx_error_txt="$lyx_error_txt
58 dnl Usage: LYX_WARNING(message) Displays the warning "message" and sets the
59 dnl flag lyx_warning to yes.
60 AC_DEFUN(LYX_WARNING,[
61 lyx_warning_txt="$lyx_warning_txt
67 dnl Usage: LYX_LIB_ERROR(file,library) Displays an error message indication
68 dnl that 'file' cannot be found because 'lib' may be uncorrectly installed.
69 AC_DEFUN(LYX_LIB_ERROR,[
70 LYX_ERROR([Cannot find $1. Please check that the $2 library
71 is correctly installed on your system.])])
74 dnl Usage: LYX_CHECK_ERRORS Displays a warning message if a LYX_ERROR
75 dnl has occured previously.
76 AC_DEFUN(LYX_CHECK_ERRORS,[
77 if test x$lyx_error = xyes; then
79 **** The following problems have been detected by configure.
80 **** Please check the messages below before running 'make'.
81 **** (see the section 'Problems' in the INSTALL file)
84 deleting cache $cache_file
89 if test x$lyx_warning = xyes; then
91 === The following minor problems have been detected by configure.
92 === Please check the messages below before running 'make'.
93 === (see the section 'Problems' in the INSTALL file)
98 Configuration of LyX was successful.
99 Type 'make' to compile the program,
100 and then 'make install' to install it.
105 dnl LYX_SEARCH_PROG(VARIABLE-NAME,PROGRAMS-LIST,ACTION-IF-FOUND)
107 define(LYX_SEARCH_PROG,[dnl
108 for ac_prog in $2 ; do
109 # Extract the first word of "$ac_prog", so it can be a program name with args.
110 set dummy $ac_prog ; ac_word=$[2]
111 if test -z "[$]$1"; then
112 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
113 for ac_dir in $PATH; do
114 test -z "$ac_dir" && ac_dir=.
115 if test -f [$ac_dir/$ac_word]; then
123 if test -n "[$]$1"; then
129 test -n "[$]$1" && break
134 AC_DEFUN([LYX_PROG_CXX_WORKS],
136 cat >conftest.C <<EOF
138 // we require the mutable keyword
141 // we require namespace support
149 $CXX -c $CXXFLAGS $CPPFLAGS conftest.C >&5 || CXX=
150 rm -f conftest.C conftest.o conftest.obj || true
154 AC_DEFUN(LYX_PROG_CXX,
155 [AC_MSG_CHECKING([for a good enough C++ compiler])
156 LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS])
158 if test -z "$CXX" ; then
159 AC_ERROR([Unable to find a good enough C++ compiler])
165 ### We might want to get or shut warnings.
166 AC_ARG_ENABLE(warnings,
167 [ --enable-warnings tell the compiler to display more warnings],,
168 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
173 if test x$enable_warnings = xyes ; then
174 lyx_flags="$lyx_flags warnings"
175 AC_DEFINE(WITH_WARNINGS, 1,
176 [Define this if you want to see the warning directives put here and
177 there by the developpers to get attention])
180 ### We might want to disable debug
182 [ --enable-debug enable debug information],,
183 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
189 ### set up optimization
190 AC_ARG_ENABLE(optimization,
191 [ --enable-optimization[=value] enable compiler optimisation],,
192 enable_optimization=yes;)
193 case $enable_optimization in
196 *) lyx_opt=${enable_optimization};;
199 # set the debug flags correctly.
200 if test x$GXX = xyes; then
201 dnl Useful for global version info
202 gxx_version=`${CXX} -dumpversion`
203 CXX_VERSION="($gxx_version)"
205 if test "$ac_test_CXXFLAGS" = set; then
206 CXXFLAGS="$ac_save_CXXFLAGS"
209 2.95.1) CXXFLAGS="$lyx_opt -fpermissive";;
210 2.95.2) CXXFLAGS="$lyx_opt";;
211 2.95.*) CXXFLAGS="$lyx_opt";;
212 2.96*) CXXFLAGS="$lyx_opt";;
213 3.0*) CXXFLAGS="$lyx_opt";;
214 3.1*) CXXFLAGS="$lyx_opt";;
215 3.2*) CXXFLAGS="$lyx_opt";;
216 *) CXXFLAGS="$lyx_opt";;
218 if test x$enable_debug = xyes ; then
219 CXXFLAGS="-g $CXXFLAGS"
222 if test x$enable_warnings = xyes ; then
224 2.95.*) CXXFLAGS="$CXXFLAGS -W -Wall";;
225 2.96*) CXXFLAGS="$CXXFLAGS -W -Wall";;
226 *) CXXFLAGS="$CXXFLAGS -W -Wall";;
228 if test $lyx_devel_version = yes ; then
232 *) CXXFLAGS="$CXXFLAGS -Winline";;
239 dnl NOT USED CURRENTLY*************************************
240 dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
242 AC_DEFUN(LYX_CXX_RTTI,[
243 ### Check whether the compiler supports runtime type information
244 AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
248 virtual int tag() { return 0; }
250 class derived1 : public rtti {
252 int tag() { return 1; }
254 class derived2 : public rtti {
256 int tag() { return 2; }
259 derived1 * foo1 = new derived1();
260 derived2 * foo2 = new derived2();
262 derived1 * bar1 = dynamic_cast<derived1 *>(bar);
266 bar1 = dynamic_cast<derived1 *>(bar);
271 ],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
273 if test x$lyx_cv_rtti = xyes ; then
274 AC_DEFINE(HAVE_RTTI, 1,
275 [Define to 1 if your compiler supports runtime type information])
279 dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
280 dnl understands the "explicit" directive.
281 AC_DEFUN(LYX_CXX_EXPLICIT,[
282 ### Check whether the compiler understands the keyword `explicit'
283 AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
288 };],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
290 if test $lyx_cv_explicit = no ; then
291 AC_DEFINE(explicit,[ ],
292 [Define to nothing if your compiler does not understand the
293 'explicit' directive])
297 dnl NOT USED CURRENTLY*************************************
298 dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
299 dnl has a working stl stack template
300 AC_DEFUN(LYX_CXX_STL_STACK,[
301 AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
308 ],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
310 if test $lyx_cv_broken_stack = yes ; then
311 AC_DEFINE(BROKEN_STL_STACK, 1,
312 [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
317 dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
318 dnl count template, if not the old HP version is assumed.
319 AC_DEFUN(LYX_STD_COUNT,[
320 AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
324 int countChar(char * b, char * e, char const c)
326 return count(b, e, c);
330 int i = countChar(a, a + 5, 'l');
331 ],lyx_cv_std_count=yes,lyx_cv_std_count=no)
333 if test $lyx_cv_std_count = yes ; then
334 AC_DEFINE(HAVE_STD_COUNT, 1,
335 [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
339 dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
340 dnl supports modern STL streams
341 AC_DEFUN(LYX_CXX_STL_MODERN_STREAMS,[
342 AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
346 std::streambuf * test = std::cerr.rdbuf();
348 ],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
350 if test $lyx_cv_modern_streams = yes ; then
351 AC_DEFINE(MODERN_STL_STREAMS, 1,
352 [Define if you have modern standard-compliant STL streams])
356 dnl Usage: LYX_CXX_STL_STRING : checks whether the C++ compiler
357 dnl has a std::string that is usable for LyX. LyX does not require this
358 dnl std::string to be standard.
359 AC_DEFUN(LYX_CXX_STL_STRING,[
360 AC_REQUIRE([AC_PROG_CXX])
361 AC_MSG_CHECKING(whether the included std::string should be used)
362 AC_ARG_WITH(included-string,
363 [ --with-included-string use LyX string class instead of STL string],
364 [lyx_cv_with_included_string=$withval
365 AC_MSG_RESULT([$with_included_string])],
366 [AC_CACHE_CHECK([],lyx_cv_with_included_string,
371 // LyX has reduced its requirements on the basic_string
372 // implementation so that the basic_string supplied
373 // with gcc is usable. In particular this means that
374 // lyx does not use std::string::clear and not the
375 // strncmp version of std::string::compare. This is mainly
376 // done so that LyX can use precompiled C++ libraries that
377 // already uses the systems basic_string, e.g. gtk--
378 string a("hello there");
382 //int t = a.compare(a.length() - 1, 1, s);
385 lyx_cv_with_included_string=no
387 lyx_cv_with_included_string=yes
391 if test x$lyx_cv_with_included_string = xyes ; then
392 AC_DEFINE(USE_INCLUDED_STRING, 1,
393 [Define to use the lyxstring class bundled with LyX.])
394 lyx_flags="$lyx_flags included-string"
396 AM_CONDITIONAL(USE_LYXSTRING, test x$lyx_cv_with_included_string = xyes)
397 dnl AC_MSG_RESULT([$with_included_string])
401 dnl Usage: LYX_CXX_GOOD_STD_STRING : checks whether the C++ compiler
402 dnl has a std::string that is close to the standard. So close that
403 dnl methods not found in "unstandard" std::strings are present here.
404 AC_DEFUN(LYX_CXX_GOOD_STD_STRING,[
405 AC_REQUIRE([AC_PROG_CXX])
406 AC_CACHE_CHECK([whether the systems std::string is really good],
407 [lyx_cv_std_string_good],
412 // From a std::string that is supposed to be close to the
413 // standard we require at least three things:
414 // - clear() and erase()
415 // - the strncmp of compare()
417 string a("hello there");
421 int t = a.compare(a.length() - 1, 1, s);
425 lyx_cv_std_string_good=yes
427 lyx_cv_std_string_good=no
431 if test x$lyx_cv_std_string_good = xyes ; then
432 AC_DEFINE(STD_STRING_IS_GOOD, 1,
433 [Define if the systems std::string is really good.])
438 dnl Usage: LYX_REGEX : checks if the header regex.h is available
439 dnl if it is not available the automake variable USE_REGEX will be
440 dnl defined and the regex.h and regex.c that we provide will be used.
441 dnl AC_DEFUN(LYX_REGEX,[
442 dnl AC_CHECK_HEADERS(regex.h, lyx_regex=no, lyx_regex=yes)
443 dnl AM_CONDITIONAL(USE_REGEX, test x$lyx_regex = xyes)
446 dnl NOT USED CURRENTLY*************************************
448 AC_DEFUN(LYX_CXX_PARTIAL, [
449 AC_REQUIRE([AC_PROG_CXX])
450 AC_CACHE_CHECK([if C++ compiler supports partial specialization],
451 [lyx_cv_cxx_partial_specialization],
454 template<class T, class K>
458 template<class T> class k<void,T> { };
463 lyx_cv_cxx_partial_specialization=yes
465 lyx_cv_cxx_partial_specialization=no
468 if test x$lyx_cv_cxx_partial_specialization = xyes ; then
469 AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
470 [Defined if your compiler supports partial specialization.])
475 dnl Usage: LYX_CXX_CHEADERS : checks whether the C++ compiler
476 dnl provides wrappers for C headers and use our alternate version otherwise.
477 AC_DEFUN(LYX_CXX_CHEADERS,[
478 AC_CACHE_CHECK(for C headers wrappers,lyx_cv_cxx_cheaders,
488 #include <ctime>],[lyx_cv_cxx_cheaders=yes],[lyx_cv_cxx_cheaders=no])])
489 if test $lyx_cv_cxx_cheaders = no ; then
490 LYX_ADD_INC_DIR(lyx_cppflags,\$(top_srcdir)/src/cheaders)
493 dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
494 dnl are already in the global namespace
495 AC_DEFUN(LYX_CXX_GLOBAL_CSTD,[
496 AC_CACHE_CHECK(whether C library functions are already in the global namespace,
497 lyx_cv_cxx_global_cstd,
503 ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
504 if test x$lyx_cv_cxx_global_cstd = xyes; then
505 AC_DEFINE(CXX_GLOBAL_CSTD,1,
506 [Define if your C++ compiler puts C library functions in the global namespace])
510 dnl Usage LYX_PATH_XPM: Checks for xpm library and header
511 AC_DEFUN(LYX_PATH_XPM,[
512 ### Check for Xpm library
513 AC_CHECK_LIB(Xpm, XpmCreateBufferFromImage,XPM_LIB="-lXpm",
514 [LYX_LIB_ERROR(libXpm,Xpm)], $XPM_LIB)
516 ### Check for Xpm headers
517 lyx_cv_xpm_h_location="<xpm.h>"
518 AC_CHECK_HEADER(X11/xpm.h,[
519 ac_cv_header_xpm_h=yes
520 lyx_cv_xpm_h_location="<X11/xpm.h>"],[
521 AC_CHECK_HEADER(xpm.h,[],[
522 LYX_LIB_ERROR(xpm.h,Xpm)])])
523 AC_DEFINE_UNQUOTED(XPM_H_LOCATION,$lyx_cv_xpm_h_location)
525 ### Test for the header version
526 if test $ac_cv_header_xpm_h = yes; then
527 AC_CACHE_CHECK([xpm header version],lyx_cv_xpmversion,
528 [ cat > conftest.$ac_ext <<EOF
529 #line __oline__ "configure"
530 #include "confdefs.h"
532 #include XPM_H_LOCATION
533 "%%%"lyx_cv_xpmv=XpmVersion;lyx_cv_xpmr=XpmRevision"%%%"
535 eval `(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
536 grep '^"%%%"' 2>/dev/null | \
537 sed -e 's/^"%%%"\(.*\)"%%%"/\1/' -e 's/ //g'`
538 case "$lyx_cv_xpmr" in
540 [0-9]) lyxxpmr_alpha=`echo $lyx_cv_xpmr |tr 123456789 abcdefghi`
541 lyxxpmv_alpha=" (aka 3.$lyx_cv_xpmv$lyxxpmr_alpha)";;
545 lyx_cv_xpmversion="$lyx_cv_xpmv.$lyx_cv_xpmr$lyxxpmv_alpha"
547 XPM_VERSION=${lyx_cv_xpmversion}
548 case "$lyx_cv_xpmr" in
550 [789]|[0-9][0-9]*) ;;
552 *) LYX_WARNING([Version $lyx_cv_xpmversion of the Xpm library is a bit old.
553 If you experience strange crashes with LyX, try to upgrade
554 to at least version 4.7 (aka 3.4g).
555 If you have installed a newer version of the library, check whether you
556 have an old xpm.h header file in your include path.]);;
561 dnl Usage: LYX_HPUX Checks for HP-UX and update CXXFLAGS accordingly
563 [#It seems that HPUX requires using -fpcc-struct-return with gcc.
564 AC_CACHE_CHECK(for HP-UX,ac_cv_hpux,[
565 os=`uname -s | tr '[A-Z]' '[a-z]'`
567 test "$os" = hp-ux && ac_cv_hpux=yes])
568 if test "$ac_cv_hpux" = yes; then
569 test "x$GXX" = xyes && CXXFLAGS="$CXXFLAGS -fpcc-struct-return"
573 dnl Usage: LYX_SUNOS4 Checks for SunOS 4.x and sets the flag lyx_broken_headers
576 [#The headers are not correct under SunOS4
577 AC_CACHE_CHECK(for SunOS 4.x,ac_cv_sunos4,[
579 os=`uname -a | sed -e 's/^\([^ ]*\) [^ ]* \([0-9]\)\..*/\1\2/'`
580 changequote([, ]) dnl
582 test "$os" = SunOS4 && ac_cv_sunos4=yes])
583 if test "$ac_cv_sunos4" = yes; then
584 test "x$GXX" = xyes && lyx_broken_headers=yes
588 dnl Usage: LYX_SCO Checks for SCO and sets the flag lyx_broken_headers
591 [AC_CACHE_CHECK(for SCO 3.2v4,ac_cv_sco,[
593 if test `uname -s` != "SCO_SV"; then
594 lyx_machine_rel=`uname -m`:`uname -r`
595 if test $lyx_machine_rel = i386:3.2 || test $lyx_machine_rel = i486:3.2;
597 if test -f /usr/options/cb.name; then
599 elif /bin/uname -X 2>/dev/null >/dev/null ; then
604 if test "$ac_cv_sco" = yes; then
605 test "x$GXX" = xyes && lyx_broken_headers=yes
608 dnl Usage: LYX_FUNC_PUTENV_ARGTYPE
609 dnl Checks whether putenv() takes 'char const *' or 'char *' as
610 dnl argument. This is needed because Solaris 7 (wrongly?) uses 'char *',
611 dnl while everybody else uses the former...
612 AC_DEFUN(LYX_FUNC_PUTENV_ARGTYPE,
613 [AC_MSG_CHECKING([type of argument for putenv()])
614 AC_CACHE_VAL(lyx_cv_func_putenv_arg,dnl
616 [#include <cstdlib>],
617 [char const * foo = "bar";
619 [lyx_cv_func_putenv_arg='char const *'],[lyx_cv_func_putenv_arg='char *'])])
620 AC_MSG_RESULT($lyx_cv_func_putenv_arg)
621 AC_DEFINE_UNQUOTED(PUTENV_TYPE_ARG,$lyx_cv_func_putenv_arg,dnl
622 [Define to the type of the argument of putenv(). Needed on Solaris 7.])])
625 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
626 dnl [default-yes-value])
627 dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
628 dnl resulting directory name in 'dir-var-name'.
629 AC_DEFUN(LYX_WITH_DIR,[
630 AC_ARG_WITH($1,[ --with-$1 specify $2])
631 AC_MSG_CHECKING([for $2])
632 if test -z "$with_$3"; then
633 AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
635 test "x$with_$3" = xyes && with_$3=$5
638 AC_MSG_RESULT($lyx_cv_$3)])
641 dnl Usage: LYX_LOOP_DIR(value,action)
642 dnl Executes action for values of variable `dir' in `values'. `values' can
643 dnl use ":" as a separator.
644 AC_DEFUN(LYX_LOOP_DIR,[
645 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
646 for dir in `eval "echo $1"`; do
647 if test ! "$dir" = NONE; then
648 test ! -d "$dir" && AC_ERROR([\"$dir\" is not a directory])
656 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
658 AC_DEFUN(LYX_ADD_LIB_DIR,[
660 if test "`(uname) 2>/dev/null`" = SunOS &&
661 uname -r | grep '^5' >/dev/null; then
662 if test $ac_cv_prog_gxx = yes ; then
663 $1="${$1} -Wl[,]-R$2"
670 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
672 AC_DEFUN(LYX_ADD_INC_DIR,[$1="${$1} -I$2 "])
674 ### Check for a headers existence and location iff it exists
675 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
676 ## It almost works. I've tried a few variations but they give errors
677 ## of one sort or other: bad substitution or file not found etc. The
678 ## actual header _is_ found though and the cache variable is set however
679 ## the reported setting (on screen) is equal to $ac_safe for some unknown
681 ## Additionally, autoheader can't figure out what to use as the name in
682 ## the config.h.in file so we need to write our own entries there -- one for
683 ## each header in the form PATH_HEADER_NAME_H
685 AC_DEFUN(LYX_PATH_HEADER,
686 [ AC_CHECK_HEADER($1,[
687 ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
688 ### the only remaining problem is getting the second parameter to this
689 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
690 ### of $ac_safe being printed.
691 AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
692 [ cat > conftest.$ac_ext <<EOF
693 #line __oline__ "configure"
694 #include "confdefs.h"
698 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
699 grep $1 2>/dev/null | \
700 sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
701 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
703 AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path)])
705 ### end of LYX_PATH_HEADER
707 ### Check for stl_string_fwd.h existence and location if it exists
708 AC_DEFUN(LYX_STL_STRING_FWD,
709 [ AC_CHECK_HEADER(stl_string_fwd.h,[
710 AC_CACHE_CHECK([path to stl_string_fwd.h],lyx_cv_path_stl_string_fwd_h,
711 [ cat > conftest.$ac_ext <<EOF
712 #line __oline__ "configure"
713 #include "confdefs.h"
715 #include <stl_string_fwd.h>
717 lyx_cv_path_stl_string_fwd_h=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
718 grep 'stl_string_fwd.h' 2>/dev/null | \
719 sed -e 's/.*\(".*stl_string_fwd.h"\).*/\1/' -e "1q"`
721 AC_DEFINE_UNQUOTED(STL_STRING_FWD_H_LOCATION,$lyx_cv_path_stl_string_fwd_h,
722 [define this to the location of stl_string_fwd.h to be used with #include,
723 NOTE: Do not set it to <stl_string_fwd.h> as that will find the LyX
724 supplied version of the header.
725 e.g. <../include/stl_string_fwd.h> or better yet use an absolute path])])
729 dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
730 dnl if the cache file is inconsistent with the current host,
731 dnl target and build system types, execute CMD or print a default
733 AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
734 AC_REQUIRE([AC_CANONICAL_SYSTEM])
735 AC_MSG_CHECKING([config.cache system type])
736 if { test x"${ac_cv_host_system_type+set}" = x"set" &&
737 test x"$ac_cv_host_system_type" != x"$host"; } ||
738 { test x"${ac_cv_build_system_type+set}" = x"set" &&
739 test x"$ac_cv_build_system_type" != x"$build"; } ||
740 { test x"${ac_cv_target_system_type+set}" = x"set" &&
741 test x"$ac_cv_target_system_type" != x"$target"; }; then
742 AC_MSG_RESULT([different])
744 [AC_MSG_ERROR(["you must remove config.cache and restart configure"])])
746 AC_MSG_RESULT([same])
748 ac_cv_host_system_type="$host"
749 ac_cv_build_system_type="$build"
750 ac_cv_target_system_type="$target"
753 dnl We use this until autoconf fixes its version.
754 AC_DEFUN(LYX_FUNC_SELECT_ARGTYPES,
755 [AC_MSG_CHECKING([types of arguments for select()])
756 AC_CACHE_VAL(ac_cv_func_select_arg234,dnl
757 [AC_CACHE_VAL(ac_cv_func_select_arg1,dnl
758 [AC_CACHE_VAL(ac_cv_func_select_arg5,dnl
759 [for ac_cv_func_select_arg234 in 'fd_set *' 'int *' 'void *'; do
760 for ac_cv_func_select_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do for ac_cv_func_select_arg5 in 'struct timeval *' 'const struct timeval *'; do
762 [#ifdef HAVE_SYS_TYPES_H
763 #include <sys/types.h>
765 #ifdef HAVE_SYS_TIME_H
766 #include <sys/time.h>
768 #ifdef HAVE_SYS_SELECT_H
769 #include <sys/select.h>
771 #ifdef HAVE_SYS_SOCKET_H
772 #include <sys/socket.h>
774 extern int select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5);],,dnl
775 [ac_not_found=no ; break 3],ac_not_found=yes)
782 if test "$ac_not_found" = yes; then
783 ac_cv_func_select_arg1=int
784 ac_cv_func_select_arg234='int *'
785 ac_cv_func_select_arg5='struct timeval *'
787 AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5])
788 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1,
789 [Define to the type of arg1 for select().])
790 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234),
791 [Define to the type of args 2, 3 and 4 for select().])
792 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5),
793 [Define to the type of arg5 for select().])
796 ### Check which frontend we want to use. The default is XForms
798 AC_DEFUN(LYX_USE_FRONTEND,
799 [AC_MSG_CHECKING([what frontend should be used as main GUI])
800 AC_ARG_WITH(frontend,
801 [ --with-frontend=THIS Use THIS frontend as main GUI:
802 Possible values: xforms, qt2, gnome],
803 [lyx_use_frontend="$withval"], [lyx_use_frontend="xforms"])
804 AC_MSG_RESULT($lyx_use_frontend)
806 AC_SUBST(FRONTEND_GUILIB)
807 AC_SUBST(FRONTEND_LDFLAGS)
808 AC_SUBST(FRONTEND_INCLUDES)
809 AC_SUBST(FRONTEND_LIBS)
813 dnl Check things are declared in headers to avoid errors or warnings.
814 dnl Called like LYX_CHECK_DECL(function, headerfile)
815 dnl Defines HAVE_DECL_{FUNCTION}
816 AC_DEFUN(LYX_CHECK_DECL,
817 [AC_MSG_CHECKING(if $1 is declared by header $2)
818 tr_func=`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
820 tr_hdr=`echo $2 | tr . _`
821 AC_CACHE_VAL([lyx_cv_declare_${tr_hdr}_$1],
822 [AC_EGREP_HEADER($1, $2, [eval "lyx_cv_declare_${tr_hdr}_$1=yes"], [eval "lyx_cv_declare_${tr_hdr}_$1=no"])])
823 if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
824 AC_DEFINE_UNQUOTED(HAVE_DECL_${tr_func})
830 dnl This is the multiple headers version of the LYX_CHECK_DECL macro above.
831 dnl Called like LYX_CHECK_DECL_HDRS(function, file1 file2 file3)
832 AC_DEFUN(LYX_CHECK_DECL_HDRS,
835 tr_hdr=`echo $I | tr . _`
836 if test "${got}" = "no"; then
837 LYX_CHECK_DECL($1, $I)
839 if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
845 ## ------------------------------------------------------------------------
846 ## Find a file (or one of more files in a list of dirs)
847 ## ------------------------------------------------------------------------
849 AC_DEFUN(AC_FIND_FILE,
856 if test -r "$i/$j"; then
864 dnl just a wrapper to clean up configure.in
865 AC_DEFUN(LYX_PROG_LIBTOOL,
867 AC_REQUIRE([AC_ENABLE_SHARED])
868 AC_REQUIRE([AC_ENABLE_STATIC])
869 dnl libtool is only for C, so I must force him
870 dnl to find the correct flags for C++
872 ac_save_cflags="$CFLAGS"
875 AM_PROG_LIBTOOL dnl for libraries
877 CFLAGS="$ac_save_cflags"