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.*) CXXFLAGS="$lyx_opt -Wno-non-template-friend";;
211 2.96*) CXXFLAGS="$lyx_opt -fno-exceptions -Wno-non-template-friend";;
212 3.0*) CXXFLAGS="$lyx_opt";;
213 3.1*) CXXFLAGS="$lyx_opt -finline-limit=500 -fno-exceptions";;
214 3.2*) CXXFLAGS="$lyx_opt";;
215 *) CXXFLAGS="$lyx_opt";;
217 if test x$enable_debug = xyes ; then
218 CXXFLAGS="-g $CXXFLAGS"
221 if test x$enable_warnings = xyes ; then
223 2.95.*) CXXFLAGS="$CXXFLAGS -W -Wall";;
224 2.96*) CXXFLAGS="$CXXFLAGS -W -Wall";;
225 3.1*) CXXFLAGS="$CXXFLAGS -W -Wall -Winline";;
226 *) CXXFLAGS="$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 NOT USED CURRENTLY*************************************
440 AC_DEFUN(LYX_CXX_PARTIAL, [
441 AC_REQUIRE([AC_PROG_CXX])
442 AC_CACHE_CHECK([if C++ compiler supports partial specialization],
443 [lyx_cv_cxx_partial_specialization],
446 template<class T, class K>
450 template<class T> class k<void,T> { };
455 lyx_cv_cxx_partial_specialization=yes
457 lyx_cv_cxx_partial_specialization=no
460 if test x$lyx_cv_cxx_partial_specialization = xyes ; then
461 AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
462 [Defined if your compiler supports partial specialization.])
467 dnl Usage: LYX_CXX_CHEADERS : checks whether the C++ compiler
468 dnl provides wrappers for C headers and use our alternate version otherwise.
469 AC_DEFUN(LYX_CXX_CHEADERS,[
470 AC_CACHE_CHECK(for C headers wrappers,lyx_cv_cxx_cheaders,
480 #include <ctime>],[lyx_cv_cxx_cheaders=yes],[lyx_cv_cxx_cheaders=no])])
481 if test $lyx_cv_cxx_cheaders = no ; then
482 LYX_ADD_INC_DIR(lyx_cppflags,\$(top_srcdir)/src/cheaders)
485 dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
486 dnl are already in the global namespace
487 AC_DEFUN(LYX_CXX_GLOBAL_CSTD,[
488 AC_CACHE_CHECK(whether C library functions are already in the global namespace,
489 lyx_cv_cxx_global_cstd,
495 ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
496 if test x$lyx_cv_cxx_global_cstd = xyes; then
497 AC_DEFINE(CXX_GLOBAL_CSTD,1,
498 [Define if your C++ compiler puts C library functions in the global namespace])
502 dnl Usage LYX_PATH_XPM: Checks for xpm library and header
503 AC_DEFUN(LYX_PATH_XPM,[
504 ### Check for Xpm library
505 AC_CHECK_LIB(Xpm, XpmCreateBufferFromImage,XPM_LIB="-lXpm",
506 [LYX_LIB_ERROR(libXpm,Xpm)], $XPM_LIB)
508 ### Check for Xpm headers
509 lyx_cv_xpm_h_location="<xpm.h>"
510 AC_CHECK_HEADER(X11/xpm.h,[
511 ac_cv_header_xpm_h=yes
512 lyx_cv_xpm_h_location="<X11/xpm.h>"],[
513 AC_CHECK_HEADER(xpm.h,[],[
514 LYX_LIB_ERROR(xpm.h,Xpm)])])
515 AC_DEFINE_UNQUOTED(XPM_H_LOCATION,$lyx_cv_xpm_h_location)
517 ### Test for the header version
518 if test $ac_cv_header_xpm_h = yes; then
519 AC_CACHE_CHECK([xpm header version],lyx_cv_xpmversion,
520 [ cat > conftest.$ac_ext <<EOF
521 #line __oline__ "configure"
522 #include "confdefs.h"
524 #include XPM_H_LOCATION
525 "%%%"lyx_cv_xpmv=XpmVersion;lyx_cv_xpmr=XpmRevision"%%%"
527 eval `(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
528 grep '^"%%%"' 2>/dev/null | \
529 sed -e 's/^"%%%"\(.*\)"%%%"/\1/' -e 's/ //g'`
530 case "$lyx_cv_xpmr" in
532 [0-9]) lyxxpmr_alpha=`echo $lyx_cv_xpmr |tr 123456789 abcdefghi`
533 lyxxpmv_alpha=" (aka 3.$lyx_cv_xpmv$lyxxpmr_alpha)";;
537 lyx_cv_xpmversion="$lyx_cv_xpmv.$lyx_cv_xpmr$lyxxpmv_alpha"
539 XPM_VERSION=${lyx_cv_xpmversion}
540 case "$lyx_cv_xpmr" in
542 [789]|[0-9][0-9]*) ;;
544 *) LYX_WARNING([Version $lyx_cv_xpmversion of the Xpm library is a bit old.
545 If you experience strange crashes with LyX, try to upgrade
546 to at least version 4.7 (aka 3.4g).
547 If you have installed a newer version of the library, check whether you
548 have an old xpm.h header file in your include path.]);;
553 dnl Usage: LYX_HPUX Checks for HP-UX and update CXXFLAGS accordingly
555 [#It seems that HPUX requires using -fpcc-struct-return with gcc.
556 AC_CACHE_CHECK(for HP-UX,ac_cv_hpux,[
557 os=`uname -s | tr '[A-Z]' '[a-z]'`
559 test "$os" = hp-ux && ac_cv_hpux=yes])
560 if test "$ac_cv_hpux" = yes; then
561 test "x$GXX" = xyes && CXXFLAGS="$CXXFLAGS -fpcc-struct-return"
565 dnl Usage: LYX_SUNOS4 Checks for SunOS 4.x and sets the flag lyx_broken_headers
568 [#The headers are not correct under SunOS4
569 AC_CACHE_CHECK(for SunOS 4.x,ac_cv_sunos4,[
571 os=`uname -a | sed -e 's/^\([^ ]*\) [^ ]* \([0-9]\)\..*/\1\2/'`
572 changequote([, ]) dnl
574 test "$os" = SunOS4 && ac_cv_sunos4=yes])
575 if test "$ac_cv_sunos4" = yes; then
576 test "x$GXX" = xyes && lyx_broken_headers=yes
580 dnl Usage: LYX_SCO Checks for SCO and sets the flag lyx_broken_headers
583 [AC_CACHE_CHECK(for SCO 3.2v4,ac_cv_sco,[
585 if test `uname -s` != "SCO_SV"; then
586 lyx_machine_rel=`uname -m`:`uname -r`
587 if test $lyx_machine_rel = i386:3.2 || test $lyx_machine_rel = i486:3.2;
589 if test -f /usr/options/cb.name; then
591 elif /bin/uname -X 2>/dev/null >/dev/null ; then
596 if test "$ac_cv_sco" = yes; then
597 test "x$GXX" = xyes && lyx_broken_headers=yes
600 dnl Usage: LYX_FUNC_PUTENV_ARGTYPE
601 dnl Checks whether putenv() takes 'char const *' or 'char *' as
602 dnl argument. This is needed because Solaris 7 (wrongly?) uses 'char *',
603 dnl while everybody else uses the former...
604 AC_DEFUN(LYX_FUNC_PUTENV_ARGTYPE,
605 [AC_MSG_CHECKING([type of argument for putenv()])
606 AC_CACHE_VAL(lyx_cv_func_putenv_arg,dnl
608 [#include <cstdlib>],
609 [char const * foo = "bar";
611 [lyx_cv_func_putenv_arg='char const *'],[lyx_cv_func_putenv_arg='char *'])])
612 AC_MSG_RESULT($lyx_cv_func_putenv_arg)
613 AC_DEFINE_UNQUOTED(PUTENV_TYPE_ARG,$lyx_cv_func_putenv_arg,dnl
614 [Define to the type of the argument of putenv(). Needed on Solaris 7.])])
617 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
618 dnl [default-yes-value])
619 dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
620 dnl resulting directory name in 'dir-var-name'.
621 AC_DEFUN(LYX_WITH_DIR,[
622 AC_ARG_WITH($1,[ --with-$1 specify $2])
623 AC_MSG_CHECKING([for $2])
624 if test -z "$with_$3"; then
625 AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
627 test "x$with_$3" = xyes && with_$3=$5
630 AC_MSG_RESULT($lyx_cv_$3)])
633 dnl Usage: LYX_LOOP_DIR(value,action)
634 dnl Executes action for values of variable `dir' in `values'. `values' can
635 dnl use ":" as a separator.
636 AC_DEFUN(LYX_LOOP_DIR,[
637 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
638 for dir in `eval "echo $1"`; do
639 if test ! "$dir" = NONE; then
640 test ! -d "$dir" && AC_ERROR([\"$dir\" is not a directory])
648 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
650 AC_DEFUN(LYX_ADD_LIB_DIR,[
652 if test "`(uname) 2>/dev/null`" = SunOS &&
653 uname -r | grep '^5' >/dev/null; then
654 if test $ac_cv_prog_gxx = yes ; then
655 $1="${$1} -Wl[,]-R$2"
662 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
664 AC_DEFUN(LYX_ADD_INC_DIR,[$1="${$1} -I$2 "])
666 ### Check for a headers existence and location iff it exists
667 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
668 ## It almost works. I've tried a few variations but they give errors
669 ## of one sort or other: bad substitution or file not found etc. The
670 ## actual header _is_ found though and the cache variable is set however
671 ## the reported setting (on screen) is equal to $ac_safe for some unknown
673 ## Additionally, autoheader can't figure out what to use as the name in
674 ## the config.h.in file so we need to write our own entries there -- one for
675 ## each header in the form PATH_HEADER_NAME_H
677 AC_DEFUN(LYX_PATH_HEADER,
678 [ AC_CHECK_HEADER($1,[
679 ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
680 ### the only remaining problem is getting the second parameter to this
681 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
682 ### of $ac_safe being printed.
683 AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
684 [ cat > conftest.$ac_ext <<EOF
685 #line __oline__ "configure"
686 #include "confdefs.h"
690 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
691 grep $1 2>/dev/null | \
692 sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
693 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
695 AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path)])
697 ### end of LYX_PATH_HEADER
699 dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
700 dnl if the cache file is inconsistent with the current host,
701 dnl target and build system types, execute CMD or print a default
703 AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
704 AC_REQUIRE([AC_CANONICAL_SYSTEM])
705 AC_MSG_CHECKING([config.cache system type])
706 if { test x"${ac_cv_host_system_type+set}" = x"set" &&
707 test x"$ac_cv_host_system_type" != x"$host"; } ||
708 { test x"${ac_cv_build_system_type+set}" = x"set" &&
709 test x"$ac_cv_build_system_type" != x"$build"; } ||
710 { test x"${ac_cv_target_system_type+set}" = x"set" &&
711 test x"$ac_cv_target_system_type" != x"$target"; }; then
712 AC_MSG_RESULT([different])
714 [AC_MSG_ERROR(["you must remove config.cache and restart configure"])])
716 AC_MSG_RESULT([same])
718 ac_cv_host_system_type="$host"
719 ac_cv_build_system_type="$build"
720 ac_cv_target_system_type="$target"
723 dnl We use this until autoconf fixes its version.
724 AC_DEFUN(LYX_FUNC_SELECT_ARGTYPES,
725 [AC_MSG_CHECKING([types of arguments for select()])
726 AC_CACHE_VAL(ac_cv_func_select_arg234,dnl
727 [AC_CACHE_VAL(ac_cv_func_select_arg1,dnl
728 [AC_CACHE_VAL(ac_cv_func_select_arg5,dnl
729 [for ac_cv_func_select_arg234 in 'fd_set *' 'int *' 'void *'; do
730 for ac_cv_func_select_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do for ac_cv_func_select_arg5 in 'struct timeval *' 'const struct timeval *'; do
732 [#ifdef HAVE_SYS_TYPES_H
733 #include <sys/types.h>
735 #ifdef HAVE_SYS_TIME_H
736 #include <sys/time.h>
738 #ifdef HAVE_SYS_SELECT_H
739 #include <sys/select.h>
741 #ifdef HAVE_SYS_SOCKET_H
742 #include <sys/socket.h>
744 extern int select ($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
745 [ac_not_found=no ; break 3],ac_not_found=yes)
752 if test "$ac_not_found" = yes; then
753 ac_cv_func_select_arg1=int
754 ac_cv_func_select_arg234='int *'
755 ac_cv_func_select_arg5='struct timeval *'
757 AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5])
758 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1,
759 [Define to the type of arg1 for select().])
760 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234),
761 [Define to the type of args 2, 3 and 4 for select().])
762 AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5),
763 [Define to the type of arg5 for select().])
766 ### Check which frontend we want to use. The default is XForms
768 AC_DEFUN(LYX_USE_FRONTEND,
769 [AC_MSG_CHECKING([what frontend should be used as main GUI])
770 AC_ARG_WITH(frontend,
771 [ --with-frontend=THIS Use THIS frontend as main GUI:
772 Possible values: xforms, qt2, gnome],
773 [lyx_use_frontend="$withval"], [lyx_use_frontend="xforms"])
774 AC_MSG_RESULT($lyx_use_frontend)
776 AC_SUBST(FRONTEND_GUILIB)
777 AC_SUBST(FRONTEND_LDFLAGS)
778 AC_SUBST(FRONTEND_INCLUDES)
779 AC_SUBST(FRONTEND_LIBS)
783 dnl Check things are declared in headers to avoid errors or warnings.
784 dnl Called like LYX_CHECK_DECL(function, headerfile)
785 dnl Defines HAVE_DECL_{FUNCTION}
786 AC_DEFUN(LYX_CHECK_DECL,
787 [AC_MSG_CHECKING(if $1 is declared by header $2)
788 tr_func=`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
790 tr_hdr=`echo $2 | tr . _`
791 AC_CACHE_VAL([lyx_cv_declare_${tr_hdr}_$1],
792 [AC_EGREP_HEADER($1, $2, [eval "lyx_cv_declare_${tr_hdr}_$1=yes"], [eval "lyx_cv_declare_${tr_hdr}_$1=no"])])
793 if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
794 AC_DEFINE_UNQUOTED(HAVE_DECL_${tr_func})
800 dnl This is the multiple headers version of the LYX_CHECK_DECL macro above.
801 dnl Called like LYX_CHECK_DECL_HDRS(function, file1 file2 file3)
802 AC_DEFUN(LYX_CHECK_DECL_HDRS,
805 tr_hdr=`echo $I | tr . _`
806 if test "${got}" = "no"; then
807 LYX_CHECK_DECL($1, $I)
809 if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
815 ## ------------------------------------------------------------------------
816 ## Find a file (or one of more files in a list of dirs)
817 ## ------------------------------------------------------------------------
819 AC_DEFUN(AC_FIND_FILE,
826 if test -r "$i/$j"; then
834 dnl just a wrapper to clean up configure.in
835 AC_DEFUN(LYX_PROG_LIBTOOL,
837 AC_REQUIRE([AC_ENABLE_SHARED])
838 AC_REQUIRE([AC_ENABLE_STATIC])
839 dnl libtool is only for C, so I must force him
840 dnl to find the correct flags for C++
842 ac_save_cflags="$CFLAGS"
845 AM_PROG_LIBTOOL dnl for libraries
847 CFLAGS="$ac_save_cflags"