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 AC_SUBST(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"
172 ### We might want to disable debug
174 AC_HELP_STRING([--enable-debug],[enable debug information]),,
175 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes ; then
181 AC_ARG_ENABLE(stdlib-debug,
182 AC_HELP_STRING([--enable-stdlib-debug],[enable debug mode in the standard library]),,
183 [ if test $lyx_devel_version = yes ; then
184 enable_stdlib_debug=yes;
186 enable_stdlib_debug=no;
189 AC_ARG_ENABLE(concept-checks,
190 AC_HELP_STRING([--enable-concept-checks],[enable concept checks]),,
191 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes ; then
192 enable_concept_checks=yes;
194 enable_concept_checks=no;
197 AC_ARG_ENABLE(profiling,
198 AC_HELP_STRING([--enable-profiling],[enable profiling]),,
199 enable_profiling=no;)
201 ### set up optimization
202 AC_ARG_ENABLE(optimization,
203 AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),,
204 enable_optimization=yes;)
205 case $enable_optimization in
207 if test $lyx_devel_version = yes ; then
213 *) lyx_opt=${enable_optimization};;
217 AC_HELP_STRING([--enable-pch],[enable precompiled headers]),,
221 # set the compiler options correctly.
222 if test x$GXX = xyes; then
223 dnl Useful for global version info
224 gxx_version=`${CXX} -dumpversion`
225 CXX_VERSION="($gxx_version)"
227 if test "$ac_test_CXXFLAGS" = set; then
228 CXXFLAGS="$ac_save_CXXFLAGS"
232 if test x$enable_debug = xyes ; then
234 CXXFLAGS="-g $CXXFLAGS"
236 if test x$enable_profiling = xyes ; then
238 CXXFLAGS="-pg $CXXFLAGS"
239 LDFLAGS="-pg $LDFLAGS"
242 if test "$ac_env_CPPFLAGS_set" != set; then
243 if test x$enable_warnings = xyes ; then
246 CPPFLAGS="-W -Wall $CPPFLAGS"
249 CPPFLAGS="-Wextra -Wall $CPPFLAGS "
255 3.1*) AM_CXXFLAGS="-finline-limit=500 ";;
256 3.2*|3.3*) AM_CXXFLAGS="";;
259 test $enable_pch = yes && lyx_pch_comp=yes
263 if test x$enable_stdlib_debug = xyes ; then
266 lyx_flags="stdlib-debug $lyx_flags"
267 AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
268 AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
272 if test x$enable_concept_checks = xyes ; then
275 lyx_flags="concept-checks $lyx_flags"
276 AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
279 lyx_flags="concept-checks $lyx_flags"
280 AC_DEFINE(_GLIBCXX_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
285 test "$lyx_pch_comp" = yes && lyx_flags="pch $lyx_flags"
286 AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes)
290 dnl NOT USED CURRENTLY*************************************
291 dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
293 AC_DEFUN([LYX_CXX_RTTI],[
294 ### Check whether the compiler supports runtime type information
295 AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
299 virtual int tag() { return 0; }
301 class derived1 : public rtti {
303 int tag() { return 1; }
305 class derived2 : public rtti {
307 int tag() { return 2; }
310 derived1 * foo1 = new derived1();
311 derived2 * foo2 = new derived2();
313 derived1 * bar1 = dynamic_cast<derived1 *>(bar);
317 bar1 = dynamic_cast<derived1 *>(bar);
322 ],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
324 if test x$lyx_cv_rtti = xyes ; then
325 AC_DEFINE(HAVE_RTTI, 1,
326 [Define to 1 if your compiler supports runtime type information])
330 dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
331 dnl understands the "explicit" directive.
332 AC_DEFUN([LYX_CXX_EXPLICIT],[
333 ### Check whether the compiler understands the keyword `explicit'
334 AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
339 };],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
341 if test $lyx_cv_explicit = no ; then
342 AC_DEFINE(explicit,[ ],
343 [Define to nothing if your compiler does not understand the
344 'explicit' directive])
348 dnl NOT USED CURRENTLY*************************************
349 dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
350 dnl has a working stl stack template
351 AC_DEFUN([LYX_CXX_STL_STACK],[
352 AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
359 ],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
361 if test $lyx_cv_broken_stack = yes ; then
362 AC_DEFINE(BROKEN_STL_STACK, 1,
363 [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
368 dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
369 dnl count template, if not the old HP version is assumed.
370 AC_DEFUN([LYX_STD_COUNT],[
371 AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
375 int countChar(char * b, char * e, char const c)
377 return count(b, e, c);
381 int i = countChar(a, a + 5, 'l');
382 ],lyx_cv_std_count=yes,lyx_cv_std_count=no)
384 if test $lyx_cv_std_count = yes ; then
385 AC_DEFINE(HAVE_STD_COUNT, 1,
386 [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
390 dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
391 dnl supports modern STL streams
392 AC_DEFUN([LYX_CXX_STL_MODERN_STREAMS],[
393 AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
397 std::streambuf * test = std::cerr.rdbuf();
399 ],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
401 if test $lyx_cv_modern_streams = yes ; then
402 AC_DEFINE(MODERN_STL_STREAMS, 1,
403 [Define if you have modern standard-compliant STL streams])
407 dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
409 AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
410 AC_ARG_WITH(included-boost,
411 [ --with-included-boost use the boost lib supplied with LyX],
412 [lyx_cv_with_included_boost=$withval
413 AC_MSG_RESULT([$with_included_boost])],
414 [lyx_cv_with_included_boost=yes])
415 AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
419 dnl NOT USED CURRENTLY*************************************
421 AC_DEFUN([LYX_CXX_PARTIAL], [
422 AC_REQUIRE([AC_PROG_CXX])
423 AC_CACHE_CHECK([if C++ compiler supports partial specialization],
424 [lyx_cv_cxx_partial_specialization],
427 template<class T, class K>
431 template<class T> class k<void,T> { };
436 lyx_cv_cxx_partial_specialization=yes
438 lyx_cv_cxx_partial_specialization=no
441 if test x$lyx_cv_cxx_partial_specialization = xyes ; then
442 AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
443 [Defined if your compiler supports partial specialization.])
448 dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
449 dnl are already in the global namespace
450 AC_DEFUN([LYX_CXX_GLOBAL_CSTD],[
451 AC_CACHE_CHECK(whether C library functions are already in the global namespace,
452 lyx_cv_cxx_global_cstd,
458 ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
459 if test x$lyx_cv_cxx_global_cstd = xyes; then
460 AC_DEFINE(CXX_GLOBAL_CSTD,1,
461 [Define if your C++ compiler puts C library functions in the global namespace])
466 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
467 dnl [default-yes-value])
468 dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
469 dnl resulting directory name in 'dir-var-name'.
470 AC_DEFUN([LYX_WITH_DIR],[
471 AC_ARG_WITH($1,[ --with-$1 specify $2])
472 AC_MSG_CHECKING([for $2])
473 if test -z "$with_$3"; then
474 AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
476 test "x$with_$3" = xyes && with_$3=$5
479 AC_MSG_RESULT($lyx_cv_$3)])
482 dnl Usage: LYX_LOOP_DIR(value,action)
483 dnl Executes action for values of variable `dir' in `values'. `values' can
484 dnl use ":" as a separator.
485 AC_DEFUN([LYX_LOOP_DIR],[
486 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
487 for dir in `eval "echo $1"`; do
488 if test ! "$dir" = NONE; then
489 test ! -d "$dir" && AC_MSG_ERROR([\"$dir\" is not a directory])
497 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
499 AC_DEFUN([LYX_ADD_LIB_DIR],[
501 if test "`(uname) 2>/dev/null`" = SunOS &&
502 uname -r | grep '^5' >/dev/null; then
503 if test $ac_cv_prog_gxx = yes ; then
504 $1="${$1} -Wl[,]-R$2"
511 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
513 AC_DEFUN([LYX_ADD_INC_DIR],[$1="${$1} -I$2 "])
515 ### Check for a headers existence and location iff it exists
516 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
517 ## It almost works. I've tried a few variations but they give errors
518 ## of one sort or other: bad substitution or file not found etc. The
519 ## actual header _is_ found though and the cache variable is set however
520 ## the reported setting (on screen) is equal to $ac_safe for some unknown
522 ## Additionally, autoheader can't figure out what to use as the name in
523 ## the config.h.in file so we need to write our own entries there -- one for
524 ## each header in the form PATH_HEADER_NAME_H
526 AC_DEFUN([LYX_PATH_HEADER],
527 [ AC_CHECK_HEADER($1,[
528 ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
529 ### the only remaining problem is getting the second parameter to this
530 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
531 ### of $ac_safe being printed.
532 AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
533 [ cat > conftest.$ac_ext <<EOF
534 #line __oline__ "configure"
535 #include "confdefs.h"
539 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
540 grep $1 2>/dev/null | \
541 sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
542 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
544 AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path, [dummy])])
546 ### end of LYX_PATH_HEADER
548 ### Check which frontends we want to use.
550 AC_DEFUN([LYX_USE_FRONTENDS],
551 [AC_MSG_CHECKING([what frontend should be used for the GUI])
552 AC_ARG_WITH(frontend,
553 [ --with-frontend=THIS Use THIS frontend as main GUI:
554 Possible values: qt4],
555 [FRONTENDS="$withval"],[FRONTENDS="qt4"])
556 if test "x$FRONTENDS" = x ; then
558 AC_ERROR("Please select a frontend using --with-frontend")
560 AC_MSG_RESULT($FRONTENDS)
562 AC_SUBST(FRONTENDS_SUBDIRS)
563 AC_SUBST(FRONTENDS_PROGS)
567 ## Check what kind of packaging should be used at install time.
568 ## The default is autodetected.
569 AC_DEFUN([LYX_USE_PACKAGING],
570 [AC_MSG_CHECKING([what packaging should be used])
571 AC_ARG_WITH(packaging,
572 [ --with-packaging=THIS Use THIS packaging for installation:
573 Possible values: posix, windows, macosx],
574 [lyx_use_packaging="$withval"], [
576 *-apple-darwin*) lyx_use_packaging=macosx ;;
577 *-pc-mingw32*) lyx_use_packaging=windows;;
578 *) lyx_use_packaging=posix;;
580 AC_MSG_RESULT($lyx_use_packaging)
581 lyx_install_macosx=false
582 case $lyx_use_packaging in
583 macosx) AC_DEFINE(USE_MACOSX_PACKAGING, 1, [Define to 1 if LyX should use a MacOS X application bundle file layout])
584 PACKAGE=LyX${version_suffix}
585 default_prefix="/Applications/${PACKAGE}.app"
586 bindir='${prefix}/Contents/MacOS'
587 libdir='${prefix}/Contents/Resources'
588 datadir='${prefix}/Contents/Resources'
589 pkgdatadir='${datadir}'
590 mandir='${datadir}/man'
591 lyx_install_macosx=true ;;
592 windows) AC_DEFINE(USE_WINDOWS_PACKAGING, 1, [Define to 1 if LyX should use a Windows-style file layout])
593 PACKAGE=LyX${version_suffix}
594 default_prefix="C:/Program Files/${PACKAGE}"
595 bindir='${prefix}/bin'
596 libdir='${prefix}/Resources'
597 datadir='${prefix}/Resources'
598 pkgdatadir='${datadir}'
599 mandir='${prefix}/Resources/man' ;;
600 posix) AC_DEFINE(USE_POSIX_PACKAGING, 1, [Define to 1 if LyX should use a POSIX-style file layout])
601 PACKAGE=lyx${version_suffix}
602 program_suffix=$version_suffix
603 pkgdatadir='${datadir}/${PACKAGE}'
604 default_prefix=$ac_default_prefix ;;
605 *) LYX_ERROR([Unknown packaging type $lyx_use_packaging]) ;;
607 AM_CONDITIONAL(INSTALL_MACOSX, $lyx_install_macosx)
609 AC_SUBST(program_suffix)
613 ## ------------------------------------------------------------------------
614 ## Find a file (or one of more files in a list of dirs)
615 ## ------------------------------------------------------------------------
617 AC_DEFUN([AC_FIND_FILE],
624 if test -r "$i/$j"; then
632 dnl just a wrapper to clean up configure.in
633 AC_DEFUN([LYX_PROG_LIBTOOL],
635 AC_REQUIRE([AC_ENABLE_SHARED])
636 AC_REQUIRE([AC_ENABLE_STATIC])
637 dnl libtool is only for C, so I must force him
638 dnl to find the correct flags for C++
640 ac_save_cflags="$CFLAGS"
643 AC_PROG_LIBTOOL dnl for libraries
645 CFLAGS="$ac_save_cflags"
649 ## ------------------------------------------------------------------------
650 ## Check whether mkdir() is mkdir or _mkdir, and whether it takes
651 ## one or two arguments.
653 ## http://ac-archive.sourceforge.net/C_Support/ac_func_mkdir.html
654 ## ------------------------------------------------------------------------
656 AC_DEFUN([AC_FUNC_MKDIR],
657 [AC_CHECK_FUNCS([mkdir _mkdir])
658 AC_CACHE_CHECK([whether mkdir takes one argument],
659 [ac_cv_mkdir_takes_one_arg],
661 #include <sys/stat.h>
666 [ac_cv_mkdir_takes_one_arg=yes], [ac_cv_mkdir_takes_one_arg=no])])
667 if test x"$ac_cv_mkdir_takes_one_arg" = xyes; then
668 AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
669 [Define if mkdir takes only one argument.])
674 dnl Set VAR to the canonically resolved absolute equivalent of PATHNAME,
675 dnl (which may be a relative path, and need not refer to any existing
678 dnl On Win32-MSYS build hosts, the returned path is resolved to its true
679 dnl native Win32 path name, (but with slashes, not backslashes).
681 dnl On any other system, it is simply the result which would be obtained
682 dnl if PATHNAME represented an existing directory, and the pwd command was
683 dnl executed in that directory.
684 AC_DEFUN([MSYS_AC_CANONICAL_PATH],
686 ( exec 2>/dev/null; cd / && pwd -W ) | grep ':' >/dev/null &&
687 ac_pwd_w="pwd -W" || ac_pwd_w=pwd
688 until ac_val=`exec 2>/dev/null; cd "$ac_dir" && $ac_pwd_w`
690 ac_dir=`AS_DIRNAME(["$ac_dir"])`
692 ac_dir=`echo "$ac_dir" | sed 's?^[[./]]*??'`
693 ac_val=`echo "$ac_val" | sed 's?/*$[]??'`
694 $1=`echo "$2" | sed "s?^[[./]]*$ac_dir/*?$ac_val/?"'
698 dnl this is used by the macro blow to general a proper config.h.in entry
699 m4_define([LYX_AH_CHECK_DECL],
700 [AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_$1),
701 [Define if you have the prototype for function `$1'])])
703 dnl Check things are declared in headers to avoid errors or warnings.
704 dnl Called like LYX_CHECK_DECL(function, header1 header2...)
705 dnl Defines HAVE_DECL_{FUNCTION}
706 AC_DEFUN([LYX_CHECK_DECL],
707 [LYX_AH_CHECK_DECL($1)
710 AC_MSG_CHECKING([if $1 is declared by header $ac_header])
711 AC_EGREP_HEADER($1, $ac_header,
713 AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DECL_$1))