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 3.4*|3.5*) CXXFLAGS="-g $CXXFLAGS"
224 AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
225 AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
227 *) CXXFLAGS="-g $CXXFLAGS";;
231 if test x$enable_warnings = xyes ; then
233 2.95.*) CXXFLAGS="$CXXFLAGS -W -Wall";;
234 2.96*) CXXFLAGS="$CXXFLAGS -W -Wall";;
235 3.1*) CXXFLAGS="$CXXFLAGS -W -Wall";;
236 3.2*) CXXFLAGS="$CXXFLAGS -W -Wall";;
237 3.3*) CXXFLAGS="$CXXFLAGS -W -Wall";;
238 *) CXXFLAGS="$CXXFLAGS -Wextra -Wall";;
242 AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes)
246 dnl NOT USED CURRENTLY*************************************
247 dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
249 AC_DEFUN([LYX_CXX_RTTI],[
250 ### Check whether the compiler supports runtime type information
251 AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
255 virtual int tag() { return 0; }
257 class derived1 : public rtti {
259 int tag() { return 1; }
261 class derived2 : public rtti {
263 int tag() { return 2; }
266 derived1 * foo1 = new derived1();
267 derived2 * foo2 = new derived2();
269 derived1 * bar1 = dynamic_cast<derived1 *>(bar);
273 bar1 = dynamic_cast<derived1 *>(bar);
278 ],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
280 if test x$lyx_cv_rtti = xyes ; then
281 AC_DEFINE(HAVE_RTTI, 1,
282 [Define to 1 if your compiler supports runtime type information])
286 dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
287 dnl understands the "explicit" directive.
288 AC_DEFUN([LYX_CXX_EXPLICIT],[
289 ### Check whether the compiler understands the keyword `explicit'
290 AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
295 };],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
297 if test $lyx_cv_explicit = no ; then
298 AC_DEFINE(explicit,[ ],
299 [Define to nothing if your compiler does not understand the
300 'explicit' directive])
304 dnl NOT USED CURRENTLY*************************************
305 dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
306 dnl has a working stl stack template
307 AC_DEFUN([LYX_CXX_STL_STACK],[
308 AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
315 ],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
317 if test $lyx_cv_broken_stack = yes ; then
318 AC_DEFINE(BROKEN_STL_STACK, 1,
319 [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
324 dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
325 dnl count template, if not the old HP version is assumed.
326 AC_DEFUN([LYX_STD_COUNT],[
327 AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
331 int countChar(char * b, char * e, char const c)
333 return count(b, e, c);
337 int i = countChar(a, a + 5, 'l');
338 ],lyx_cv_std_count=yes,lyx_cv_std_count=no)
340 if test $lyx_cv_std_count = yes ; then
341 AC_DEFINE(HAVE_STD_COUNT, 1,
342 [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
346 dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
347 dnl supports modern STL streams
348 AC_DEFUN([LYX_CXX_STL_MODERN_STREAMS],[
349 AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
353 std::streambuf * test = std::cerr.rdbuf();
355 ],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
357 if test $lyx_cv_modern_streams = yes ; then
358 AC_DEFINE(MODERN_STL_STREAMS, 1,
359 [Define if you have modern standard-compliant STL streams])
363 dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
365 AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
366 AC_ARG_WITH(included-boost,
367 [ --with-included-boost use the boost lib supplied with LyX],
368 [lyx_cv_with_included_boost=$withval
369 AC_MSG_RESULT([$with_included_boost])],
370 [lyx_cv_with_included_boost=yes])
371 AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
375 dnl NOT USED CURRENTLY*************************************
377 AC_DEFUN([LYX_CXX_PARTIAL], [
378 AC_REQUIRE([AC_PROG_CXX])
379 AC_CACHE_CHECK([if C++ compiler supports partial specialization],
380 [lyx_cv_cxx_partial_specialization],
383 template<class T, class K>
387 template<class T> class k<void,T> { };
392 lyx_cv_cxx_partial_specialization=yes
394 lyx_cv_cxx_partial_specialization=no
397 if test x$lyx_cv_cxx_partial_specialization = xyes ; then
398 AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
399 [Defined if your compiler supports partial specialization.])
404 dnl Usage: LYX_CXX_CHEADERS : checks whether the C++ compiler
405 dnl provides wrappers for C headers and use our alternate version otherwise.
406 AC_DEFUN([LYX_CXX_CHEADERS],[
407 AC_CACHE_CHECK(for C headers wrappers,lyx_cv_cxx_cheaders,
417 #include <ctime>],[lyx_cv_cxx_cheaders=yes],[lyx_cv_cxx_cheaders=no])])
418 if test $lyx_cv_cxx_cheaders = no ; then
419 LYX_ADD_INC_DIR(lyx_cppflags,\$(top_srcdir)/src/cheaders)
423 dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
424 dnl are already in the global namespace
425 AC_DEFUN([LYX_CXX_GLOBAL_CSTD],[
426 AC_CACHE_CHECK(whether C library functions are already in the global namespace,
427 lyx_cv_cxx_global_cstd,
433 ],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
434 if test x$lyx_cv_cxx_global_cstd = xyes; then
435 AC_DEFINE(CXX_GLOBAL_CSTD,1,
436 [Define if your C++ compiler puts C library functions in the global namespace])
441 dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
442 dnl [default-yes-value])
443 dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
444 dnl resulting directory name in 'dir-var-name'.
445 AC_DEFUN([LYX_WITH_DIR],[
446 AC_ARG_WITH($1,[ --with-$1 specify $2])
447 AC_MSG_CHECKING([for $2])
448 if test -z "$with_$3"; then
449 AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
451 test "x$with_$3" = xyes && with_$3=$5
454 AC_MSG_RESULT($lyx_cv_$3)])
457 dnl Usage: LYX_LOOP_DIR(value,action)
458 dnl Executes action for values of variable `dir' in `values'. `values' can
459 dnl use ":" as a separator.
460 AC_DEFUN([LYX_LOOP_DIR],[
461 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
462 for dir in `eval "echo $1"`; do
463 if test ! "$dir" = NONE; then
464 test ! -d "$dir" && AC_MSG_ERROR([\"$dir\" is not a directory])
472 dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
474 AC_DEFUN([LYX_ADD_LIB_DIR],[
476 if test "`(uname) 2>/dev/null`" = SunOS &&
477 uname -r | grep '^5' >/dev/null; then
478 if test $ac_cv_prog_gxx = yes ; then
479 $1="${$1} -Wl[,]-R$2"
486 dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
488 AC_DEFUN([LYX_ADD_INC_DIR],[$1="${$1} -I$2 "])
490 ### Check for a headers existence and location iff it exists
491 ## This is supposed to be a generalised version of LYX_STL_STRING_FWD
492 ## It almost works. I've tried a few variations but they give errors
493 ## of one sort or other: bad substitution or file not found etc. The
494 ## actual header _is_ found though and the cache variable is set however
495 ## the reported setting (on screen) is equal to $ac_safe for some unknown
497 ## Additionally, autoheader can't figure out what to use as the name in
498 ## the config.h.in file so we need to write our own entries there -- one for
499 ## each header in the form PATH_HEADER_NAME_H
501 AC_DEFUN([LYX_PATH_HEADER],
502 [ AC_CHECK_HEADER($1,[
503 ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
504 ### the only remaining problem is getting the second parameter to this
505 ### AC_CACHE_CACHE to print correctly. Currently it just results in value
506 ### of $ac_safe being printed.
507 AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
508 [ cat > conftest.$ac_ext <<EOF
509 #line __oline__ "configure"
510 #include "confdefs.h"
514 lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
515 grep $1 2>/dev/null | \
516 sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
517 eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
519 AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path, [dummy])])
521 ### end of LYX_PATH_HEADER
523 ### Check which frontends we want to use. The default is XForms only
525 AC_DEFUN([LYX_USE_FRONTENDS],
526 [AC_MSG_CHECKING([what frontend should be used for the GUI])
527 AC_ARG_WITH(frontend,
528 [ --with-frontend=THIS Use THIS frontend as main GUI:
529 Possible values: xforms, qt, gtk(EXPERIMENTAL)],
530 [FRONTENDS="$withval"], [FRONTENDS="xforms"])
531 AC_MSG_RESULT($FRONTENDS)
533 AC_SUBST(FRONTENDS_SUBDIRS)
534 AC_SUBST(FRONTENDS_PROGS)
539 ## ------------------------------------------------------------------------
540 ## Find a file (or one of more files in a list of dirs)
541 ## ------------------------------------------------------------------------
543 AC_DEFUN([AC_FIND_FILE],
550 if test -r "$i/$j"; then
558 dnl just a wrapper to clean up configure.in
559 AC_DEFUN([LYX_PROG_LIBTOOL],
561 AC_REQUIRE([AC_ENABLE_SHARED])
562 AC_REQUIRE([AC_ENABLE_STATIC])
563 dnl libtool is only for C, so I must force him
564 dnl to find the correct flags for C++
566 ac_save_cflags="$CFLAGS"
569 AM_PROG_LIBTOOL dnl for libraries
571 CFLAGS="$ac_save_cflags"