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 $VERSION"
11 if echo "$VERSION" | grep 'cvs' >/dev/null ; then
13 AC_DEFINE(DEVEL_VERSION, 1, [Define if you are building a development version of LyX])
14 echo "WARNING: This is a development version. Expect bugs."
18 if echo "$VERSION" | grep 'pre' > /dev/null ; then
20 echo "WARNING: This is a prerelease. Be careful and backup your documents."
24 AC_SUBST(lyx_devel_version)])
27 dnl Define the option to set a LyX version on installed executables and directories
30 AC_DEFUN([LYX_VERSION_SUFFIX],[
31 AC_MSG_CHECKING([for install target ... ])
32 RPM_VERSION_SUFFIX='""'
33 AC_ARG_WITH(version-suffix,
34 [ --with-version-suffix[=<version>] install lyx files as lyx<version>],
35 [if test "x$withval" = "xyes";
38 ac_configure_args=`echo $ac_configure_args | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
41 program_suffix=$withval
42 RPM_VERSION_SUFFIX="--with-version-suffix=$withval"],
44 AC_SUBST(RPM_VERSION_SUFFIX)
45 AC_MSG_RESULT([$lyxname])
49 dnl Usage: LYX_ERROR(message) Displays the warning "message" and sets the
50 dnl flag lyx_error to yes.
51 AC_DEFUN([LYX_ERROR],[
52 lyx_error_txt="$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)
87 if test x$lyx_warning = xyes; then
89 === The following minor problems have been detected by configure.
90 === Please check the messages below before running 'make'.
91 === (see the section 'Problems' in the INSTALL file)
96 Configuration of LyX was successful.
97 Type 'make' to compile the program,
98 and then 'make install' to install it.
103 dnl LYX_SEARCH_PROG(VARIABLE-NAME,PROGRAMS-LIST,ACTION-IF-FOUND)
105 define(LYX_SEARCH_PROG,[dnl
106 for ac_prog in $2 ; do
107 # Extract the first word of "$ac_prog", so it can be a program name with args.
108 set dummy $ac_prog ; ac_word=$[2]
109 if test -z "[$]$1"; then
110 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
111 for ac_dir in $PATH; do
112 test -z "$ac_dir" && ac_dir=.
113 if test -f [$ac_dir/$ac_word]; then
121 if test -n "[$]$1"; then
127 test -n "[$]$1" && break
132 AC_DEFUN([LYX_PROG_CXX_WORKS],
134 cat >conftest.C <<EOF
136 // we require the mutable keyword
139 // we require namespace support
147 $CXX -c $CXXFLAGS $CPPFLAGS conftest.C >&5 || CXX=
148 rm -f conftest.C conftest.o conftest.obj || true
152 AC_DEFUN([LYX_PROG_CXX],
153 [AC_MSG_CHECKING([for a good enough C++ compiler])
154 LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS])
156 if test -z "$CXX" ; then
157 AC_MSG_ERROR([Unable to find a good enough C++ compiler])
163 ### We might want to get or shut warnings.
164 AC_ARG_ENABLE(warnings,
165 AC_HELP_STRING([--enable-warnings],[tell the compiler to display more warnings]),,
166 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
171 if test x$enable_warnings = xyes ; then
172 lyx_flags="$lyx_flags warnings"
173 AC_DEFINE(WITH_WARNINGS, 1,
174 [Define this if you want to see the warning directives put here and
175 there by the developpers to get attention])
178 ### We might want to disable debug
180 AC_HELP_STRING([--enable-debug],[enable debug information]),,
181 [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
187 ### set up optimization
188 AC_ARG_ENABLE(optimization,
189 AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),,
190 enable_optimization=yes;)
191 case $enable_optimization in
194 *) lyx_opt=${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 -ftemplate-depth-30";;
210 2.95.*) CXXFLAGS="$lyx_opt -Wno-non-template-friend -ftemplate-depth-30";;
211 2.96*) CXXFLAGS="$lyx_opt -fno-exceptions -ftemplate-depth-30 -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="$lyx_opt -fno-exceptions";;
215 3.3*) CXXFLAGS="$lyx_opt -fno-exceptions";;
217 CXXFLAGS="$lyx_opt -fno-exceptions"
219 *) CXXFLAGS="$lyx_opt";;
221 if test x$enable_debug = xyes ; then
223 3.3*) CXXFLAGS="-g $CXXFLAGS"
224 AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
226 3.4*|4.0*) CXXFLAGS="-g $CXXFLAGS"
227 AC_DEFINE(_GLIBCXX_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
228 AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
229 AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
231 *) CXXFLAGS="-g $CXXFLAGS";;
235 if test x$enable_warnings = xyes ; then
237 2.95.*) CPPFLAGS="$CPPFLAGS -W -Wall";;
238 2.96*) CPPFLAGS="$CPPFLAGS -W -Wall";;
239 3.1*) CPPFLAGS="$CPPFLAGS -W -Wall";;
240 3.2*) CPPFLAGS="$CPPFLAGS -W -Wall";;
241 3.3*) CPPFLAGS="$CPPFLAGS -W -Wall";;
242 *) CPPFLAGS="$CPPFLAGS -Wextra -Wall";;
246 AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes)
250 dnl NOT USED CURRENTLY*************************************
251 dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
253 AC_DEFUN([LYX_CXX_RTTI],[
254 ### Check whether the compiler supports runtime type information
255 AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
259 virtual int tag() { return 0; }
261 class derived1 : public rtti {
263 int tag() { return 1; }
265 class derived2 : public rtti {
267 int tag() { return 2; }
270 derived1 * foo1 = new derived1();
271 derived2 * foo2 = new derived2();
273 derived1 * bar1 = dynamic_cast<derived1 *>(bar);
277 bar1 = dynamic_cast<derived1 *>(bar);
282 ],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
284 if test x$lyx_cv_rtti = xyes ; then
285 AC_DEFINE(HAVE_RTTI, 1,
286 [Define to 1 if your compiler supports runtime type information])
290 dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
291 dnl understands the "explicit" directive.
292 AC_DEFUN([LYX_CXX_EXPLICIT],[
293 ### Check whether the compiler understands the keyword `explicit'
294 AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
299 };],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
301 if test $lyx_cv_explicit = no ; then
302 AC_DEFINE(explicit,[ ],
303 [Define to nothing if your compiler does not understand the
304 'explicit' directive])
308 dnl NOT USED CURRENTLY*************************************
309 dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
310 dnl has a working stl stack template
311 AC_DEFUN([LYX_CXX_STL_STACK],[
312 AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
319 ],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
321 if test $lyx_cv_broken_stack = yes ; then
322 AC_DEFINE(BROKEN_STL_STACK, 1,
323 [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
328 dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
329 dnl count template, if not the old HP version is assumed.
330 AC_DEFUN([LYX_STD_COUNT],[
331 AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
335 int countChar(char * b, char * e, char const c)
337 return count(b, e, c);
341 int i = countChar(a, a + 5, 'l');
342 ],lyx_cv_std_count=yes,lyx_cv_std_count=no)
344 if test $lyx_cv_std_count = yes ; then
345 AC_DEFINE(HAVE_STD_COUNT, 1,
346 [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
350 dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
351 dnl supports modern STL streams
352 AC_DEFUN([LYX_CXX_STL_MODERN_STREAMS],[
353 AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
357 std::streambuf * test = std::cerr.rdbuf();
359 ],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
361 if test $lyx_cv_modern_streams = yes ; then
362 AC_DEFINE(MODERN_STL_STREAMS, 1,
363 [Define if you have modern standard-compliant STL streams])
367 dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
369 AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
370 AC_ARG_WITH(included-boost,
371 [ --with-included-boost use the boost lib supplied with LyX],
372 [lyx_cv_with_included_boost=$withval
373 AC_MSG_RESULT([$with_included_boost])],
374 [lyx_cv_with_included_boost=yes])
375 AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
379 dnl NOT USED CURRENTLY*************************************
381 AC_DEFUN([LYX_CXX_PARTIAL], [
382 AC_REQUIRE([AC_PROG_CXX])
383 AC_CACHE_CHECK([if C++ compiler supports partial specialization],
384 [lyx_cv_cxx_partial_specialization],
387 template<class T, class K>
391 template<class T> class k<void,T> { };
396 lyx_cv_cxx_partial_specialization=yes
398 lyx_cv_cxx_partial_specialization=no
401 if test x$lyx_cv_cxx_partial_specialization = xyes ; then
402 AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
403 [Defined if your compiler supports partial specialization.])
408 dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
409 dnl are already in the global namespace
410 AC_DEFUN([LYX_CXX_GLOBAL_CSTD],[
411 AC_CACHE_CHECK(whether C library functions are already in the global namespace,
412 lyx_cv_cxx_global_cstd,
418 ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
419 if test x$lyx_cv_cxx_global_cstd = xyes; then
420 AC_DEFINE(CXX_GLOBAL_CSTD,1,
421 [Define if your C++ compiler puts C library functions in the global namespace])
426 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
427 dnl [default-yes-value])
428 dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
429 dnl resulting directory name in 'dir-var-name'.
430 AC_DEFUN([LYX_WITH_DIR],[
431 AC_ARG_WITH($1,[ --with-$1 specify $2])
432 AC_MSG_CHECKING([for $2])
433 if test -z "$with_$3"; then
434 AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
436 test "x$with_$3" = xyes && with_$3=$5
439 AC_MSG_RESULT($lyx_cv_$3)])
442 dnl Usage: LYX_LOOP_DIR(value,action)
443 dnl Executes action for values of variable `dir' in `values'. `values' can
444 dnl use ":" as a separator.
445 AC_DEFUN([LYX_LOOP_DIR],[
446 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
447 for dir in `eval "echo $1"`; do
448 if test ! "$dir" = NONE; then
449 test ! -d "$dir" && AC_MSG_ERROR([\"$dir\" is not a directory])
457 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
459 AC_DEFUN([LYX_ADD_LIB_DIR],[
461 if test "`(uname) 2>/dev/null`" = SunOS &&
462 uname -r | grep '^5' >/dev/null; then
463 if test $ac_cv_prog_gxx = yes ; then
464 $1="${$1} -Wl[,]-R$2"
471 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
473 AC_DEFUN([LYX_ADD_INC_DIR],[$1="${$1} -I$2 "])
475 ### Check for a headers existence and location iff it exists
476 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
477 ## It almost works. I've tried a few variations but they give errors
478 ## of one sort or other: bad substitution or file not found etc. The
479 ## actual header _is_ found though and the cache variable is set however
480 ## the reported setting (on screen) is equal to $ac_safe for some unknown
482 ## Additionally, autoheader can't figure out what to use as the name in
483 ## the config.h.in file so we need to write our own entries there -- one for
484 ## each header in the form PATH_HEADER_NAME_H
486 AC_DEFUN([LYX_PATH_HEADER],
487 [ AC_CHECK_HEADER($1,[
488 ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
489 ### the only remaining problem is getting the second parameter to this
490 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
491 ### of $ac_safe being printed.
492 AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
493 [ cat > conftest.$ac_ext <<EOF
494 #line __oline__ "configure"
495 #include "confdefs.h"
499 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
500 grep $1 2>/dev/null | \
501 sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
502 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
504 AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path, [dummy])])
506 ### end of LYX_PATH_HEADER
508 ### Check which frontends we want to use. The default is XForms only
510 AC_DEFUN([LYX_USE_FRONTENDS],
511 [AC_MSG_CHECKING([what frontend should be used for the GUI])
512 AC_ARG_WITH(frontend,
513 [ --with-frontend=THIS Use THIS frontend as main GUI:
514 Possible values: xforms, qt, gtk(EXPERIMENTAL)],
515 [FRONTENDS="$withval"], [FRONTENDS="xforms"])
516 AC_MSG_RESULT($FRONTENDS)
518 AC_SUBST(FRONTENDS_SUBDIRS)
519 AC_SUBST(FRONTENDS_PROGS)
524 ## ------------------------------------------------------------------------
525 ## Find a file (or one of more files in a list of dirs)
526 ## ------------------------------------------------------------------------
528 AC_DEFUN([AC_FIND_FILE],
535 if test -r "$i/$j"; then
543 dnl just a wrapper to clean up configure.in
544 AC_DEFUN([LYX_PROG_LIBTOOL],
546 AC_REQUIRE([AC_ENABLE_SHARED])
547 AC_REQUIRE([AC_ENABLE_STATIC])
548 dnl libtool is only for C, so I must force him
549 dnl to find the correct flags for C++
551 ac_save_cflags="$CFLAGS"
554 AM_PROG_LIBTOOL dnl for libraries
556 CFLAGS="$ac_save_cflags"
560 ## ------------------------------------------------------------------------
561 ## Check whether mkdir() is mkdir or _mkdir, and whether it takes
562 ## one or two arguments.
564 ## http://ac-archive.sourceforge.net/C_Support/ac_func_mkdir.html
565 ## ------------------------------------------------------------------------
567 AC_DEFUN([AC_FUNC_MKDIR],
568 [AC_CHECK_FUNCS([mkdir _mkdir])
569 AC_CACHE_CHECK([whether mkdir takes one argument],
570 [ac_cv_mkdir_takes_one_arg],
572 #include <sys/stat.h>
577 [ac_cv_mkdir_takes_one_arg=yes], [ac_cv_mkdir_takes_one_arg=no])])
578 if test x"$ac_cv_mkdir_takes_one_arg" = xyes; then
579 AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
580 [Define if mkdir takes only one argument.])