dnl Some useful functions for LyXs configure.in -*- sh -*- dnl Author: Jean-Marc Lasgouttes (Jean-Marc.Lasgouttes@inria.fr) dnl Lars Gullik Bjønnes (larsbj@lyx.org) dnl Usage LYX_GET_VERSION Sets "lyx_version" to the version of LyX being dnl built, displays it and sets variable "lyx_devel" to yes or no depending dnl whether the version is a development release or not. AC_DEFUN(LYX_GET_VERSION,[ changequote(, ) dnl VERSION=`grep '#define *LYX_VERSION' $1 | sed -e 's/^.*"\(.*\)"$/\1/' 2>/dev/null` echo "configuring LyX version $VERSION" if echo "$VERSION" | grep 'cvs' >/dev/null ; then lyx_devel_version=yes echo "WARNING: This is a development version. Expect bugs." else lyx_devel_version=no fi if echo "$VERSION" | grep 'pre' > /dev/null ; then lyx_prerelease=yes echo "WARNING: This is a prerelease. Be careful and backup your documents." else lyx_prerelease=no fi changequote([, ]) dnl PACKAGE=lyx${program_suffix} AC_SUBST(lyx_devel_version) if test $lyx_devel_version = yes ; then AC_DEFINE(DEVEL_VERSION, 1, Define if you are building a development version of LyX) fi]) dnl Usage: LYX_ERROR(message) Displays the warning "message" and sets the dnl flag lyx_error to yes. AC_DEFUN(LYX_ERROR,[ lyx_error_txt="$lyx_error_txt ** $1 " lyx_error=yes]) dnl Usage: LYX_WARNING(message) Displays the warning "message" and sets the dnl flag lyx_warning to yes. AC_DEFUN(LYX_WARNING,[ lyx_warning_txt="$lyx_warning_txt == $1 " lyx_warning=yes]) dnl Usage: LYX_LIB_ERROR(file,library) Displays an error message indication dnl that 'file' cannot be found because 'lib' may be uncorrectly installed. AC_DEFUN(LYX_LIB_ERROR,[ LYX_ERROR([Cannot find $1. Please check that the $2 library is correctly installed on your system.])]) dnl Usage: LYX_CHECK_ERRORS Displays a warning message if a LYX_ERROR dnl has occured previously. AC_DEFUN(LYX_CHECK_ERRORS,[ if test x$lyx_error = xyes; then cat <(bar); if (bar1 == 0) exit(1); bar = foo2; bar1 = dynamic_cast(bar); if (bar1 != 0) exit(1); return 0; } ],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no) ]) if test x$lyx_cv_rtti = xyes ; then AC_DEFINE(HAVE_RTTI, 1, [Define to 1 if your compiler supports runtime type information]) fi]) dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler dnl understands the "explicit" directive. AC_DEFUN(LYX_CXX_EXPLICIT,[ ### Check whether the compiler understands the keyword `explicit' AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit, [AC_TRY_COMPILE([ class Expl { public: explicit Expl() {}; };],,lyx_cv_explicit=yes,lyx_cv_explicit=no) ]) if test $lyx_cv_explicit = no ; then AC_DEFINE(explicit,[ ], [Define to nothing if your compiler does not understand the 'explicit' directive]) fi]) dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler dnl has a working stl stack template AC_DEFUN(LYX_CXX_STL_STACK,[ AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack, [AC_TRY_COMPILE([ #include using std::stack; ],[ stack stakk; stakk.push(0); ],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes) ]) if test $lyx_cv_broken_stack = yes ; then AC_DEFINE(BROKEN_STL_STACK, 1, [Define if you have the STL from libg++ 2.7.x, where stack<> is not defined correctly]) fi]) dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming dnl count template, if not the old HP version is assumed. AC_DEFUN(LYX_STD_COUNT,[ AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count, [AC_TRY_COMPILE([ #include #include using std::string; using std::count; int countChar(string const & a, char const c) { return count(a.begin(), a.end(), c); } ],[ string a("hello"); int i = countChar(a, 'l'); ],lyx_cv_std_count=yes,lyx_cv_std_count=no) ]) if test $lyx_cv_std_count = yes ; then AC_DEFINE(HAVE_STD_COUNT, 1, [Define if you have a conforming std::count template, otherwise HP version of count template is assumed.]) fi]) dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler dnl supports modern STL streams AC_DEFUN(LYX_CXX_STL_MODERN_STREAMS,[ AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams, [AC_TRY_COMPILE([ #include ],[ std::streambuf * test = std::cerr.rdbuf(); test->pubsync(); ],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no) ]) if test $lyx_cv_modern_streams = yes ; then AC_DEFINE(MODERN_STL_STREAMS, 1, [Define if you have modern standard-compliant STL streams]) fi]) dnl Usage: LYX_CXX_STL_STRING : checks whether the C++ compiler dnl has a working stl string container, the check is really stupid dnl and could need some improvement. AC_DEFUN(LYX_CXX_STL_STRING,[ AC_REQUIRE([LYX_PROG_CXX]) AC_MSG_CHECKING(whether the included std::string should be used) AC_ARG_WITH(included-string, [ --with-included-string use LyX string class instead of STL string], [with_included_string=$withval], [AC_TRY_COMPILE([ #include using std::string; ],[ string a("hello there"); a.erase(); a = "hey"; char s[] = "y"; int t = a.compare(a.length() - 1, 1, s); a.erase(); ],[ with_included_string=no ],[ with_included_string=yes ]) ]) if test x$with_included_string = xyes ; then AC_DEFINE(USE_INCLUDED_STRING, 1, [Define to use the lyxstring class bundled with LyX.]) lyx_flags="$lyx_flags included-string" fi AM_CONDITIONAL(USE_LYXSTRING, test x$with_included_string = xyes) AC_MSG_RESULT([$with_included_string]) ]) dnl Usage: LYX_REGEX : checks if the header regex.h is available dnl if it is not available the automake variable USE_REGEX will be dnl defined and the regex.h and regex.c that we provide will be used. AC_DEFUN(LYX_REGEX,[ AC_CHECK_HEADERS(regex.h, lyx_regex=no, lyx_regex=yes) AM_CONDITIONAL(USE_REGEX, test x$lyx_regex = xyes) ]) dnl LYX_CXX_MUTABLE AC_DEFUN(LYX_CXX_MUTABLE, [ AC_REQUIRE([LYX_PROG_CXX]) AC_MSG_CHECKING(if C++ compiler supports mutable) AC_TRY_COMPILE( [ class k { mutable char *c; public: void foo() const { c=0; } }; ],[ ],[ ac_mutable=yes AC_DEFINE(HAVE_MUTABLE, 1, [Defined if you compiler supports 'mutable'.]) ],[ ac_mutable=no ]) AC_MSG_RESULT([$ac_mutable]) ]) dnl LYX_CXX_PARTIAL AC_DEFUN(LYX_CXX_PARTIAL, [ AC_REQUIRE([LYX_PROG_CXX]) AC_MSG_CHECKING(if C++ compiler supports partial specialization) AC_TRY_COMPILE( [ template class k { public: }; template class k { }; ],[ k b; k a; ],[ ac_partial_specialization=yes AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1, [Defined if your compiler supports partial specialization.]) ],[ ac_partial_specialization=no ]) AC_MSG_RESULT([$ac_partial_specialization]) ]) dnl Usage: LYX_CXX_NAMESPACES : checks whether the C++ compiler dnl has a correct namespace handling and define CXX_WORKING_NAMESPACES dnl if true. This macro does not do a thourough test, but it should be dnl good enough to suit our needs. AC_DEFUN(LYX_CXX_NAMESPACES,[ AC_CACHE_CHECK(for correct namespaces support,lyx_cv_cxx_namespace, [AC_TRY_COMPILE([ namespace foo { int bar; } ],[ foo::bar = 0; return 0; ],lyx_cv_cxx_namespace=yes,lyx_cv_cxx_namespace=no) ]) if test $lyx_cv_cxx_namespace = yes ; then AC_DEFINE(CXX_WORKING_NAMESPACES, 1, [Define if your C++ compiler has correct support for namespaces]) fi]) dnl Usage: LYX_CXX_CHEADERS : checks whether the C++ compiler dnl provides wrappers for C headers and use our alternate version otherwise. AC_DEFUN(LYX_CXX_CHEADERS,[ AC_CACHE_CHECK(for C headers wrappers,lyx_cv_cxx_cheaders, [AC_TRY_CPP([ #include #include #include #include #include #include #include #include #include ],[lyx_cv_cxx_cheaders=yes],[lyx_cv_cxx_cheaders=no])]) if test $lyx_cv_cxx_cheaders = no ; then LYX_ADD_INC_DIR(lyx_cppflags,\$(top_srcdir)/src/cheaders) fi]) dnl Usage LYX_PATH_XPM: Checks for xpm library and header AC_DEFUN(LYX_PATH_XPM,[ ### Check for Xpm library AC_CHECK_LIB(Xpm, XpmCreateBufferFromImage,LYX_LIBS="-lXpm $LYX_LIBS", [LYX_LIB_ERROR(libXpm,Xpm)], $LYX_LIBS) ### Check for Xpm headers lyx_cv_xpm_h_location="" AC_CHECK_HEADER(X11/xpm.h,[ ac_cv_header_xpm_h=yes lyx_cv_xpm_h_location=""],[ AC_CHECK_HEADER(xpm.h,[],[ LYX_LIB_ERROR(xpm.h,Xpm)])]) AC_DEFINE_UNQUOTED(XPM_H_LOCATION,$lyx_cv_xpm_h_location) ### Test for the header version if test $ac_cv_header_xpm_h = yes; then AC_CACHE_CHECK([xpm header version],lyx_cv_xpmversion, [ cat > conftest.$ac_ext <&5 | \ grep '^"%%%"' 2>/dev/null | \ sed -e 's/^"%%%"\(.*\)"%%%"/\1/' -e 's/ //g'` case "$lyx_cv_xpmr" in changequote(,) [0-9]) lyxxpmr_alpha=`echo $lyx_cv_xpmr |tr 123456789 abcdefghi` lyxxpmv_alpha=" (aka 3.$lyx_cv_xpmv$lyxxpmr_alpha)";; changequote([,]) *) ;; esac lyx_cv_xpmversion="$lyx_cv_xpmv.$lyx_cv_xpmr$lyxxpmv_alpha" rm -f conftest*]) case "$lyx_cv_xpmr" in changequote(,) [789]|[0-9][0-9]*) ;; changequote([,]) *) LYX_WARNING([Version $lyx_cv_xpmversion of the Xpm library is a bit old. If you experience strange crashes with LyX, try to upgrade to at least version 4.7 (aka 3.4g). If you have installed a newer version of the library, check whether you have an old xpm.h header file in your include path.]);; esac fi]) dnl Usage LYX_PATH_XFORMS: Checks for xforms library and flags AC_DEFUN(LYX_PATH_XFORMS,[ ### Check for xforms library AC_CHECK_LIB(forms, fl_initialize, LYX_LIBS="-lforms $LYX_LIBS", [AC_CHECK_LIB(xforms, fl_initialize, LYX_LIBS="-lxforms $LYX_LIBS", [LYX_LIB_ERROR(libforms or libxforms,xforms)], $LYX_LIBS)], $LYX_LIBS) ### Check for xforms headers lyx_cv_forms_h_location="" AC_CHECK_HEADER(X11/forms.h,[ ac_cv_header_forms_h=yes lyx_cv_forms_h_location=""],[ AC_CHECK_HEADER(forms.h,[],[ LYX_LIB_ERROR(forms.h,forms)])]) AC_DEFINE_UNQUOTED(FORMS_H_LOCATION,$lyx_cv_forms_h_location) if test $ac_cv_header_forms_h = yes; then AC_CACHE_CHECK([xforms header version],lyx_cv_xfversion, [ cat > conftest.$ac_ext <&5 | \ grep '^"%%%"' 2>/dev/null | \ sed -e 's/^"%%%"\(.*\)"%%%"/\1/' -e 's/ //g'` rm -f conftest*]) case "$lyx_cv_xfversion" in "(unknown)"|0.82|0.83|0.84|0.85) LYX_ERROR(dnl Version $lyx_cv_xfversion of xforms is not compatible with LyX. This version of LyX works best with version 0.88[,] although it supports also versions 0.81[,] 0.86 and 0.87.) ;; 0.81|0.86|0.87) LYX_WARNING(dnl While LyX is compatible with version $lyx_cv_xfversion of xforms[,] it is recommended that you upgrade to version 0.88.) ;; 0.88) ;; 0.89) LYX_WARNING(dnl LyX should work ok with version $lyx_cv_xfversion of xforms[,] but it is an unproven version and might still have some bugs. If you have problems[,] please use version 0.88 instead.) ;; *) LYX_WARNING(dnl Version $lyx_cv_xfversion of xforms might not be compatible with LyX[,] since it is newer than 0.88. You might have slight problems with it.);; esac fi]) dnl Usage: LYX_HPUX Checks for HP-UX and update CXXFLAGS accordingly AC_DEFUN(LYX_HPUX, [#It seems that HPUX requires using -fpcc-struct-return with gcc. AC_CACHE_CHECK(for HP-UX,ac_cv_hpux,[ os=`uname -s | tr '[A-Z]' '[a-z]'` ac_cv_hpux=no test "$os" = hp-ux && ac_cv_hpux=yes]) if test "$ac_cv_hpux" = yes; then test "x$GXX" = xyes && CXXFLAGS="$CXXFLAGS -fpcc-struct-return" fi]) dnl Usage: LYX_SUNOS4 Checks for SunOS 4.x and sets the flag lyx_broken_headers dnl if necessary AC_DEFUN(LYX_SUNOS4, [#The headers are not correct under SunOS4 AC_CACHE_CHECK(for SunOS 4.x,ac_cv_sunos4,[ changequote(, ) dnl os=`uname -a | sed -e 's/^\([^ ]*\) [^ ]* \([0-9]\)\..*/\1\2/'` changequote([, ]) dnl ac_cv_sunos4=no test "$os" = SunOS4 && ac_cv_sunos4=yes]) if test "$ac_cv_sunos4" = yes; then test "x$GXX" = xyes && lyx_broken_headers=yes fi]) dnl Usage: LYX_SCO Checks for SCO and sets the flag lyx_broken_headers dnl if necessary AC_DEFUN(LYX_SCO, [AC_CACHE_CHECK(for SCO 3.2v4,ac_cv_sco,[ ac_cv_sco=no if test `uname -s` != "SCO_SV"; then lyx_machine_rel=`uname -m`:`uname -r` if test $lyx_machine_rel = i386:3.2 || test $lyx_machine_rel = i486:3.2; then if test -f /usr/options/cb.name; then ac_cv_sco=no elif /bin/uname -X 2>/dev/null >/dev/null ; then ac_cv_sco=yes fi fi fi]) if test "$ac_cv_sco" = yes; then test "x$GXX" = xyes && lyx_broken_headers=yes fi]) dnl Usage: LYX_FUNC_PUTENV_ARGTYPE dnl Checks whether putenv() takes 'char const *' or 'char *' as dnl argument. This is needed because Solaris 7 (wrongly?) uses 'char *', dnl while everybody else uses the former... AC_DEFUN(LYX_FUNC_PUTENV_ARGTYPE, [AC_MSG_CHECKING([type of argument for putenv()]) AC_CACHE_VAL(lyx_cv_func_putenv_arg,dnl [AC_TRY_COMPILE(dnl [#include ], [char const * foo = "bar"; putenv(foo);],dnl [lyx_cv_func_putenv_arg='char const *'],[lyx_cv_func_putenv_arg='char *'])]) AC_MSG_RESULT($lyx_cv_func_putenv_arg) AC_DEFINE_UNQUOTED(PUTENV_TYPE_ARG,$lyx_cv_func_putenv_arg,dnl [Define to the type of the argument of putenv(). Needed on Solaris 7.])]) dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value, dnl [default-yes-value]) dnl Adds a --with-'dir-name' option (described by 'desc') and puts the dnl resulting directory name in 'dir-var-name'. AC_DEFUN(LYX_WITH_DIR,[ AC_ARG_WITH($1,[ --with-$1 specify $2]) AC_MSG_CHECKING([for $2]) if test -z "$with_$3"; then AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4) else test "x$with_$3" = xyes && with_$3=$5 lyx_cv_$3="$with_$3" fi AC_MSG_RESULT($lyx_cv_$3)]) dnl Usage: LYX_LOOP_DIR(value,action) dnl Executes action for values of variable `dir' in `values'. `values' can dnl use ":" as a separator. AC_DEFUN(LYX_LOOP_DIR,[ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for dir in `eval "echo $1"`; do if test ! "$dir" = NONE; then test ! -d "$dir" && AC_ERROR([\"$dir\" is not a directory]) $2 fi done IFS=$ac_save_ifs ]) dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable dnl var-name. AC_DEFUN(LYX_ADD_LIB_DIR,[ $1="${$1} -L$2" if test "`(uname) 2>/dev/null`" = SunOS && uname -r | grep '^5' >/dev/null; then if test $ac_cv_prog_gxx = yes ; then $1="${$1} -Wl[,]-R$2" else $1="${$1} -R$2" fi fi]) dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable dnl var-name. AC_DEFUN(LYX_ADD_INC_DIR,[$1="${$1} -I$2 "]) ### Check for a headers existence and location iff it exists ## This is supposed to be a generalised version of LYX_STL_STRING_FWD ## It almost works. I've tried a few variations but they give errors ## of one sort or other: bad substitution or file not found etc. The ## actual header _is_ found though and the cache variable is set however ## the reported setting (on screen) is equal to $ac_safe for some unknown ## reason. AC_DEFUN(LYX_PATH_HEADER, [ AC_CHECK_HEADER($1,[ ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'` AC_CACHE_CHECK([path to $1],lyx_cv_path_$ac_safe, [ cat > conftest.$ac_ext < EOF lyx_cv_path_$ac_safe=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \ grep $1 2>/dev/null | \ sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"` rm -f conftest*]) AC_DEFINE_UNQUOTED(${ac_tr_safe},${lyx_cv_path_$ac_safe})]) ]) ### end of LYX_PATH_HEADER ### Check for stl_string_fwd.h existence and location if it exists AC_DEFUN(LYX_STL_STRING_FWD, [ AC_CHECK_HEADER(stl_string_fwd.h,[ AC_CACHE_CHECK([path to stl_string_fwd.h],lyx_cv_path_stl_string_fwd_h, [ cat > conftest.$ac_ext < EOF lyx_cv_path_stl_string_fwd_h=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \ grep 'stl_string_fwd.h' 2>/dev/null | \ sed -e 's/.*\(".*stl_string_fwd.h"\).*/\1/' -e "1q"` rm -f conftest*]) AC_DEFINE_UNQUOTED(STL_STRING_FWD_H_LOCATION,$lyx_cv_path_stl_string_fwd_h, [define this to the location of stl_string_fwd.h to be used with #include, NOTE: Do not set it to as that will find the LyX supplied version of the header. e.g. <../include/stl_string_fwd.h> or better yet use an absolute path])]) ]) dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)] dnl if the cache file is inconsistent with the current host, dnl target and build system types, execute CMD or print a default dnl error message. AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [ AC_REQUIRE([AC_CANONICAL_SYSTEM]) AC_MSG_CHECKING([config.cache system type]) if { test x"${ac_cv_host_system_type+set}" = x"set" && test x"$ac_cv_host_system_type" != x"$host"; } || { test x"${ac_cv_build_system_type+set}" = x"set" && test x"$ac_cv_build_system_type" != x"$build"; } || { test x"${ac_cv_target_system_type+set}" = x"set" && test x"$ac_cv_target_system_type" != x"$target"; }; then AC_MSG_RESULT([different]) ifelse($#, 1, [$1], [AC_MSG_ERROR(["you must remove config.cache and restart configure"])]) else AC_MSG_RESULT([same]) fi ac_cv_host_system_type="$host" ac_cv_build_system_type="$build" ac_cv_target_system_type="$target" ]) dnl We use this until autoconf fixes its version. AC_DEFUN(LYX_FUNC_SELECT_ARGTYPES, [AC_MSG_CHECKING([types of arguments for select()]) AC_CACHE_VAL(ac_cv_func_select_arg234,dnl [AC_CACHE_VAL(ac_cv_func_select_arg1,dnl [AC_CACHE_VAL(ac_cv_func_select_arg5,dnl [for ac_cv_func_select_arg234 in 'fd_set *' 'int *' 'void *'; do 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 AC_TRY_COMPILE(dnl [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_SYS_SELECT_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif extern int select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5);],,dnl [ac_not_found=no ; break 3],ac_not_found=yes) done done done ])dnl AC_CACHE_VAL ])dnl AC_CACHE_VAL ])dnl AC_CACHE_VAL if test "$ac_not_found" = yes; then ac_cv_func_select_arg1=int ac_cv_func_select_arg234='int *' ac_cv_func_select_arg5='struct timeval *' fi AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5]) AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1) AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234)) AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5)) ])