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="$lyx_opt -fno-exceptions -Wno-non-template-friend";;
213 3.0*) CXXFLAGS="$lyx_opt";;
214 3.1*) CXXFLAGS="$lyx_opt -finline-limit=500 -fno-exceptions";;
215 3.2*) CXXFLAGS="$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 3.1*) CXXFLAGS="$CXXFLAGS -W -Wall -Winline";;
227 *) CXXFLAGS="$CXXFLAGS -W -Wall";;
229 if test $lyx_devel_version = yes ; then
233 *) CXXFLAGS="$CXXFLAGS -Winline";;
240 dnl NOT USED CURRENTLY*************************************
241 dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
243 AC_DEFUN(LYX_CXX_RTTI,[
244 ### Check whether the compiler supports runtime type information
245 AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
249 virtual int tag() { return 0; }
251 class derived1 : public rtti {
253 int tag() { return 1; }
255 class derived2 : public rtti {
257 int tag() { return 2; }
260 derived1 * foo1 = new derived1();
261 derived2 * foo2 = new derived2();
263 derived1 * bar1 = dynamic_cast<derived1 *>(bar);
267 bar1 = dynamic_cast<derived1 *>(bar);
272 ],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
274 if test x$lyx_cv_rtti = xyes ; then
275 AC_DEFINE(HAVE_RTTI, 1,
276 [Define to 1 if your compiler supports runtime type information])
280 dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
281 dnl understands the "explicit" directive.
282 AC_DEFUN(LYX_CXX_EXPLICIT,[
283 ### Check whether the compiler understands the keyword `explicit'
284 AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
289 };],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
291 if test $lyx_cv_explicit = no ; then
292 AC_DEFINE(explicit,[ ],
293 [Define to nothing if your compiler does not understand the
294 'explicit' directive])
298 dnl NOT USED CURRENTLY*************************************
299 dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
300 dnl has a working stl stack template
301 AC_DEFUN(LYX_CXX_STL_STACK,[
302 AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
309 ],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
311 if test $lyx_cv_broken_stack = yes ; then
312 AC_DEFINE(BROKEN_STL_STACK, 1,
313 [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
318 dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
319 dnl count template, if not the old HP version is assumed.
320 AC_DEFUN(LYX_STD_COUNT,[
321 AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
325 int countChar(char * b, char * e, char const c)
327 return count(b, e, c);
331 int i = countChar(a, a + 5, 'l');
332 ],lyx_cv_std_count=yes,lyx_cv_std_count=no)
334 if test $lyx_cv_std_count = yes ; then
335 AC_DEFINE(HAVE_STD_COUNT, 1,
336 [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
340 dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
341 dnl supports modern STL streams
342 AC_DEFUN(LYX_CXX_STL_MODERN_STREAMS,[
343 AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
347 std::streambuf * test = std::cerr.rdbuf();
349 ],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
351 if test $lyx_cv_modern_streams = yes ; then
352 AC_DEFINE(MODERN_STL_STREAMS, 1,
353 [Define if you have modern standard-compliant STL streams])
357 dnl Usage: LYX_CXX_STL_STRING : checks whether the C++ compiler
358 dnl has a std::string that is usable for LyX. LyX does not require this
359 dnl std::string to be standard.
360 AC_DEFUN(LYX_CXX_STL_STRING,[
361 AC_REQUIRE([AC_PROG_CXX])
362 AC_MSG_CHECKING(whether the included std::string should be used)
363 AC_ARG_WITH(included-string,
364 [ --with-included-string use LyX string class instead of STL string],
365 [lyx_cv_with_included_string=$withval
366 AC_MSG_RESULT([$with_included_string])],
367 [AC_CACHE_CHECK([],lyx_cv_with_included_string,
372 // LyX has reduced its requirements on the basic_string
373 // implementation so that the basic_string supplied
374 // with gcc is usable. In particular this means that
375 // lyx does not use std::string::clear and not the
376 // strncmp version of std::string::compare. This is mainly
377 // done so that LyX can use precompiled C++ libraries that
378 // already uses the systems basic_string, e.g. gtk--
379 string a("hello there");
383 //int t = a.compare(a.length() - 1, 1, s);
386 lyx_cv_with_included_string=no
388 lyx_cv_with_included_string=yes
392 if test x$lyx_cv_with_included_string = xyes ; then
393 AC_DEFINE(USE_INCLUDED_STRING, 1,
394 [Define to use the lyxstring class bundled with LyX.])
395 lyx_flags="$lyx_flags included-string"
397 AM_CONDITIONAL(USE_LYXSTRING, test x$lyx_cv_with_included_string = xyes)
398 dnl AC_MSG_RESULT([$with_included_string])
402 dnl Usage: LYX_CXX_GOOD_STD_STRING : checks whether the C++ compiler
403 dnl has a std::string that is close to the standard. So close that
404 dnl methods not found in "unstandard" std::strings are present here.
405 AC_DEFUN(LYX_CXX_GOOD_STD_STRING,[
406 AC_REQUIRE([AC_PROG_CXX])
407 AC_CACHE_CHECK([whether the systems std::string is really good],
408 [lyx_cv_std_string_good],
413 // From a std::string that is supposed to be close to the
414 // standard we require at least three things:
415 // - clear() and erase()
416 // - the strncmp of compare()
418 string a("hello there");
422 int t = a.compare(a.length() - 1, 1, s);
426 lyx_cv_std_string_good=yes
428 lyx_cv_std_string_good=no
432 if test x$lyx_cv_std_string_good = xyes ; then
433 AC_DEFINE(STD_STRING_IS_GOOD, 1,
434 [Define if the systems std::string is really good.])
439 dnl NOT USED CURRENTLY*************************************
441 AC_DEFUN(LYX_CXX_PARTIAL, [
442 AC_REQUIRE([AC_PROG_CXX])
443 AC_CACHE_CHECK([if C++ compiler supports partial specialization],
444 [lyx_cv_cxx_partial_specialization],
447 template<class T, class K>
451 template<class T> class k<void,T> { };
456 lyx_cv_cxx_partial_specialization=yes
458 lyx_cv_cxx_partial_specialization=no
461 if test x$lyx_cv_cxx_partial_specialization = xyes ; then
462 AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
463 [Defined if your compiler supports partial specialization.])
468 dnl Usage: LYX_CXX_CHEADERS : checks whether the C++ compiler
469 dnl provides wrappers for C headers and use our alternate version otherwise.
470 AC_DEFUN(LYX_CXX_CHEADERS,[
471 AC_CACHE_CHECK(for C headers wrappers,lyx_cv_cxx_cheaders,
481 #include <ctime>],[lyx_cv_cxx_cheaders=yes],[lyx_cv_cxx_cheaders=no])])
482 if test $lyx_cv_cxx_cheaders = no ; then
483 LYX_ADD_INC_DIR(lyx_cppflags,\$(top_srcdir)/src/cheaders)
486 dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
487 dnl are already in the global namespace
488 AC_DEFUN(LYX_CXX_GLOBAL_CSTD,[
489 AC_CACHE_CHECK(whether C library functions are already in the global namespace,
490 lyx_cv_cxx_global_cstd,
496 ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
497 if test x$lyx_cv_cxx_global_cstd = xyes; then
498 AC_DEFINE(CXX_GLOBAL_CSTD,1,
499 [Define if your C++ compiler puts C library functions in the global namespace])
503 dnl Usage LYX_PATH_XPM: Checks for xpm library and header
504 AC_DEFUN(LYX_PATH_XPM,[
505 ### Check for Xpm library
506 AC_CHECK_LIB(Xpm, XpmCreateBufferFromImage,XPM_LIB="-lXpm",
507 [LYX_LIB_ERROR(libXpm,Xpm)], $XPM_LIB)
509 ### Check for Xpm headers
510 lyx_cv_xpm_h_location="<xpm.h>"
511 AC_CHECK_HEADER(X11/xpm.h,[
512 ac_cv_header_xpm_h=yes
513 lyx_cv_xpm_h_location="<X11/xpm.h>"],[
514 AC_CHECK_HEADER(xpm.h,[],[
515 LYX_LIB_ERROR(xpm.h,Xpm)])])
516 AC_DEFINE_UNQUOTED(XPM_H_LOCATION,$lyx_cv_xpm_h_location)
518 ### Test for the header version
519 if test $ac_cv_header_xpm_h = yes; then
520 AC_CACHE_CHECK([xpm header version],lyx_cv_xpmversion,
521 [ cat > conftest.$ac_ext <<EOF
522 #line __oline__ "configure"
523 #include "confdefs.h"
525 #include XPM_H_LOCATION
526 "%%%"lyx_cv_xpmv=XpmVersion;lyx_cv_xpmr=XpmRevision"%%%"
528 eval `(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
529 grep '^"%%%"' 2>/dev/null | \
530 sed -e 's/^"%%%"\(.*\)"%%%"/\1/' -e 's/ //g'`
531 case "$lyx_cv_xpmr" in
533 [0-9]) lyxxpmr_alpha=`echo $lyx_cv_xpmr |tr 123456789 abcdefghi`
534 lyxxpmv_alpha=" (aka 3.$lyx_cv_xpmv$lyxxpmr_alpha)";;
538 lyx_cv_xpmversion="$lyx_cv_xpmv.$lyx_cv_xpmr$lyxxpmv_alpha"
540 XPM_VERSION=${lyx_cv_xpmversion}
541 case "$lyx_cv_xpmr" in
543 [789]|[0-9][0-9]*) ;;
545 *) LYX_WARNING([Version $lyx_cv_xpmversion of the Xpm library is a bit old.
546 If you experience strange crashes with LyX, try to upgrade
547 to at least version 4.7 (aka 3.4g).
548 If you have installed a newer version of the library, check whether you
549 have an old xpm.h header file in your include path.]);;
554 dnl Usage: LYX_HPUX Checks for HP-UX and update CXXFLAGS accordingly
556 [#It seems that HPUX requires using -fpcc-struct-return with gcc.
557 AC_CACHE_CHECK(for HP-UX,ac_cv_hpux,[
558 os=`uname -s | tr '[A-Z]' '[a-z]'`
560 test "$os" = hp-ux && ac_cv_hpux=yes])
561 if test "$ac_cv_hpux" = yes; then
562 test "x$GXX" = xyes && CXXFLAGS="$CXXFLAGS -fpcc-struct-return"
566 dnl Usage: LYX_SUNOS4 Checks for SunOS 4.x and sets the flag lyx_broken_headers
569 [#The headers are not correct under SunOS4
570 AC_CACHE_CHECK(for SunOS 4.x,ac_cv_sunos4,[
572 os=`uname -a | sed -e 's/^\([^ ]*\) [^ ]* \([0-9]\)\..*/\1\2/'`
573 changequote([, ]) dnl
575 test "$os" = SunOS4 && ac_cv_sunos4=yes])
576 if test "$ac_cv_sunos4" = yes; then
577 test "x$GXX" = xyes && lyx_broken_headers=yes
581 dnl Usage: LYX_SCO Checks for SCO and sets the flag lyx_broken_headers
584 [AC_CACHE_CHECK(for SCO 3.2v4,ac_cv_sco,[
586 if test `uname -s` != "SCO_SV"; then
587 lyx_machine_rel=`uname -m`:`uname -r`
588 if test $lyx_machine_rel = i386:3.2 || test $lyx_machine_rel = i486:3.2;
590 if test -f /usr/options/cb.name; then
592 elif /bin/uname -X 2>/dev/null >/dev/null ; then
597 if test "$ac_cv_sco" = yes; then
598 test "x$GXX" = xyes && lyx_broken_headers=yes
601 dnl Usage: LYX_FUNC_PUTENV_ARGTYPE
602 dnl Checks whether putenv() takes 'char const *' or 'char *' as
603 dnl argument. This is needed because Solaris 7 (wrongly?) uses 'char *',
604 dnl while everybody else uses the former...
605 AC_DEFUN(LYX_FUNC_PUTENV_ARGTYPE,
606 [AC_MSG_CHECKING([type of argument for putenv()])
607 AC_CACHE_VAL(lyx_cv_func_putenv_arg,dnl
609 [#include <cstdlib>],
610 [char const * foo = "bar";
612 [lyx_cv_func_putenv_arg='char const *'],[lyx_cv_func_putenv_arg='char *'])])
613 AC_MSG_RESULT($lyx_cv_func_putenv_arg)
614 AC_DEFINE_UNQUOTED(PUTENV_TYPE_ARG,$lyx_cv_func_putenv_arg,dnl
615 [Define to the type of the argument of putenv(). Needed on Solaris 7.])])
618 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
619 dnl [default-yes-value])
620 dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
621 dnl resulting directory name in 'dir-var-name'.
622 AC_DEFUN(LYX_WITH_DIR,[
623 AC_ARG_WITH($1,[ --with-$1 specify $2])
624 AC_MSG_CHECKING([for $2])
625 if test -z "$with_$3"; then
626 AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
628 test "x$with_$3" = xyes && with_$3=$5
631 AC_MSG_RESULT($lyx_cv_$3)])
634 dnl Usage: LYX_LOOP_DIR(value,action)
635 dnl Executes action for values of variable `dir' in `values'. `values' can
636 dnl use ":" as a separator.
637 AC_DEFUN(LYX_LOOP_DIR,[
638 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
639 for dir in `eval "echo $1"`; do
640 if test ! "$dir" = NONE; then
641 test ! -d "$dir" && AC_ERROR([\"$dir\" is not a directory])
649 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
651 AC_DEFUN(LYX_ADD_LIB_DIR,[
653 if test "`(uname) 2>/dev/null`" = SunOS &&
654 uname -r | grep '^5' >/dev/null; then
655 if test $ac_cv_prog_gxx = yes ; then
656 $1="${$1} -Wl[,]-R$2"
663 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
665 AC_DEFUN(LYX_ADD_INC_DIR,[$1="${$1} -I$2 "])
667 ### Check for a headers existence and location iff it exists
668 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
669 ## It almost works. I've tried a few variations but they give errors
670 ## of one sort or other: bad substitution or file not found etc. The
671 ## actual header _is_ found though and the cache variable is set however
672 ## the reported setting (on screen) is equal to $ac_safe for some unknown
674 ## Additionally, autoheader can't figure out what to use as the name in
675 ## the config.h.in file so we need to write our own entries there -- one for
676 ## each header in the form PATH_HEADER_NAME_H
678 AC_DEFUN(LYX_PATH_HEADER,
679 [ AC_CHECK_HEADER($1,[
680 ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
681 ### the only remaining problem is getting the second parameter to this
682 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
683 ### of $ac_safe being printed.
684 AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
685 [ cat > conftest.$ac_ext <<EOF
686 #line __oline__ "configure"
687 #include "confdefs.h"
691 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
692 grep $1 2>/dev/null | \
693 sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
694 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
696 AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path)])
698 ### end of LYX_PATH_HEADER
700 dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
701 dnl if the cache file is inconsistent with the current host,
702 dnl target and build system types, execute CMD or print a default
704 AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
705 AC_REQUIRE([AC_CANONICAL_SYSTEM])
706 AC_MSG_CHECKING([config.cache system type])
707 if { test x"${ac_cv_host_system_type+set}" = x"set" &&
708 test x"$ac_cv_host_system_type" != x"$host"; } ||
709 { test x"${ac_cv_build_system_type+set}" = x"set" &&
710 test x"$ac_cv_build_system_type" != x"$build"; } ||
711 { test x"${ac_cv_target_system_type+set}" = x"set" &&
712 test x"$ac_cv_target_system_type" != x"$target"; }; then
713 AC_MSG_RESULT([different])
715 [AC_MSG_ERROR(["you must remove config.cache and restart configure"])])
717 AC_MSG_RESULT([same])
719 ac_cv_host_system_type="$host"
720 ac_cv_build_system_type="$build"
721 ac_cv_target_system_type="$target"
724 dnl We use this until autoconf fixes its version.
725 AC_DEFUN(LYX_FUNC_SELECT_ARGTYPES,
726 [AC_MSG_CHECKING([types of arguments for select()])
727 AC_CACHE_VAL(ac_cv_func_select_arg234,dnl
728 [AC_CACHE_VAL(ac_cv_func_select_arg1,dnl
729 [AC_CACHE_VAL(ac_cv_func_select_arg5,dnl
730 [for ac_cv_func_select_arg234 in 'fd_set *' 'int *' 'void *'; do
731 for ac_cv_func_select_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do for ac_cv_func_select_arg5 in 'struct timeval *' 'const struct timeval *'; do
733 [#ifdef HAVE_SYS_TYPES_H
734 #include <sys/types.h>
736 #ifdef HAVE_SYS_TIME_H
737 #include <sys/time.h>
739 #ifdef HAVE_SYS_SELECT_H
740 #include <sys/select.h>
742 #ifdef HAVE_SYS_SOCKET_H
743 #include <sys/socket.h>
745 extern int select ($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
746 [ac_not_found=no ; break 3],ac_not_found=yes)
753 if test "$ac_not_found" = yes; then
754 ac_cv_func_select_arg1=int
755 ac_cv_func_select_arg234='int *'
756 ac_cv_func_select_arg5='struct timeval *'
758 AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5])
759 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1,
760 [Define to the type of arg1 for select().])
761 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234),
762 [Define to the type of args 2, 3 and 4 for select().])
763 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5),
764 [Define to the type of arg5 for select().])
767 ### Check which frontend we want to use. The default is XForms
769 AC_DEFUN(LYX_USE_FRONTEND,
770 [AC_MSG_CHECKING([what frontend should be used as main GUI])
771 AC_ARG_WITH(frontend,
772 [ --with-frontend=THIS Use THIS frontend as main GUI:
773 Possible values: xforms, qt2, gnome],
774 [lyx_use_frontend="$withval"], [lyx_use_frontend="xforms"])
775 AC_MSG_RESULT($lyx_use_frontend)
777 AC_SUBST(FRONTEND_GUILIB)
778 AC_SUBST(FRONTEND_LDFLAGS)
779 AC_SUBST(FRONTEND_INCLUDES)
780 AC_SUBST(FRONTEND_LIBS)
784 dnl Check things are declared in headers to avoid errors or warnings.
785 dnl Called like LYX_CHECK_DECL(function, headerfile)
786 dnl Defines HAVE_DECL_{FUNCTION}
787 AC_DEFUN(LYX_CHECK_DECL,
788 [AC_MSG_CHECKING(if $1 is declared by header $2)
789 tr_func=`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
791 tr_hdr=`echo $2 | tr . _`
792 AC_CACHE_VAL([lyx_cv_declare_${tr_hdr}_$1],
793 [AC_EGREP_HEADER($1, $2, [eval "lyx_cv_declare_${tr_hdr}_$1=yes"], [eval "lyx_cv_declare_${tr_hdr}_$1=no"])])
794 if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
795 AC_DEFINE_UNQUOTED(HAVE_DECL_${tr_func})
801 dnl This is the multiple headers version of the LYX_CHECK_DECL macro above.
802 dnl Called like LYX_CHECK_DECL_HDRS(function, file1 file2 file3)
803 AC_DEFUN(LYX_CHECK_DECL_HDRS,
806 tr_hdr=`echo $I | tr . _`
807 if test "${got}" = "no"; then
808 LYX_CHECK_DECL($1, $I)
810 if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
816 ## ------------------------------------------------------------------------
817 ## Find a file (or one of more files in a list of dirs)
818 ## ------------------------------------------------------------------------
820 AC_DEFUN(AC_FIND_FILE,
827 if test -r "$i/$j"; then
835 dnl just a wrapper to clean up configure.in
836 AC_DEFUN(LYX_PROG_LIBTOOL,
838 AC_REQUIRE([AC_ENABLE_SHARED])
839 AC_REQUIRE([AC_ENABLE_STATIC])
840 dnl libtool is only for C, so I must force him
841 dnl to find the correct flags for C++
843 ac_save_cflags="$CFLAGS"
846 AM_PROG_LIBTOOL dnl for libraries
848 CFLAGS="$ac_save_cflags"