+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 <<EOF
+**** The following problems have been detected by configure.
+**** Please check the messages below before running 'make'.
+**** (see the section 'Problems' in the INSTALL file)
+$lyx_error_txt
+$lyx_warning_txt
+deleting cache $cache_file
+EOF
+ rm -f $cache_file
+else
+
+if test x$lyx_warning = xyes; then
+cat <<EOF
+=== The following minor problems have been detected by configure.
+=== Please check the messages below before running 'make'.
+=== (see the section 'Problems' in the INSTALL file)
+$lyx_warning_txt
+EOF
+fi
+cat <<EOF
+Configuration of LyX was successful.
+Type 'make' to compile the program,
+and then 'make install' to install it.
+EOF
+fi])
+
+
+dnl LYX_SEARCH_PROG(VARIABLE-NAME,PROGRAMS-LIST,ACTION-IF-FOUND)
+dnl
+define(LYX_SEARCH_PROG,[dnl
+for ac_prog in $2 ; do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+ set dummy $ac_prog ; ac_word=$[2]
+ if test -z "[$]$1"; then
+ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
+ for ac_dir in $PATH; do
+ test -z "$ac_dir" && ac_dir=.
+ if test -f [$ac_dir/$ac_word]; then
+ $1="$ac_prog"
+ break
+ fi
+ done
+ IFS="$ac_save_ifs"
+ fi
+
+ if test -n "[$]$1"; then
+ ac_result=yes
+ else
+ ac_result=no
+ fi
+ ifelse($3,,,[$3])
+ test -n "[$]$1" && break
+done
+])dnl
+
+
+AC_DEFUN(LYX_PROG_CXX_WORKS,
+[AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+AC_TRY_COMPILER([class foo { int bar; }; int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
+AC_LANG_RESTORE
+if test $ac_cv_prog_cxx_works = no; then
+ CXX=
+fi
+cross_compiling=$ac_cv_prog_cxx_cross
+])
+
+
+AC_DEFUN(LYX_PROG_CXX,
+[AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
+AC_MSG_CHECKING([for a working C++ compiler])
+LYX_SEARCH_PROG(CXX, $CCC g++ gcc c++ CC cxx xlC cc++, LYX_PROG_CXX_WORKS)
+
+if test -z "$CXX" ; then
+ AC_ERROR([Unable to find a working C++ compiler])
+fi
+
+AC_SUBST(CXX)
+AC_MSG_RESULT($CXX)
+
+AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler])
+AC_MSG_RESULT($cross_compiling)
+
+AC_PROG_CXX_GNU
+
+dnl We might want to get or shut warnings.
+AC_ARG_WITH(warnings,
+ [ --with-warnings tell the compiler to display more warnings],,
+ [ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
+ with_warnings=yes;
+ else
+ with_warnings=no;
+ fi;])
+if test x$with_warnings = xyes ; then
+ lyx_flags="$lyx_flags warnings"
+ AC_DEFINE(WITH_WARNINGS, 1,
+ [Define this if you want to see the warning directives put here and
+ there by the developpers to get attention])
+fi
+
+# optimize less for development versions
+if test $lyx_devel_version = yes -o $lyx_prerelease = yes ; then
+ lyx_opt="-O"
+else
+ lyx_opt="-O2"
+fi
+
+# set the debug flags correctly.
+if test $ac_cv_prog_gxx = yes; then
+ GXX=yes
+dnl Check whether -g works, even if CXXFLAGS is set, in case the package
+dnl plays around with CXXFLAGS (such as to build both debugging and
+dnl normal versions of a library), tasteless as that idea is.
+ ac_test_CXXFLAGS="${CXXFLAGS+set}"
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS=
+dnl Check the version of g++
+ gxx_version=`g++ --version`
+
+ AC_PROG_CXX_G
+ if test "$ac_test_CXXFLAGS" = set; then
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ elif test $ac_cv_prog_cxx_g = yes; then
+ case $gxx_version in
+ 2.7*) CXXFLAGS="$lyx_opt";;
+ 2.95.1) CXXFLAGS="-g $lyx_opt -fpermissive -fno-rtti";;
+ 2.95.*) CXXFLAGS="-g $lyx_opt -fno-rtti -fno-exceptions";;
+ *) CXXFLAGS="-g $lyx_opt -fno-exceptions -fno-rtti";;
+ esac
+ else
+ CXXFLAGS="$lyx_opt"
+ fi
+ if test x$with_warnings = xyes ; then
+ case $gxx_version in
+ 2.95.*) CXXFLAGS="$CXXFLAGS -Wall -W -Wconversion";;
+ *) CXXFLAGS="$CXXFLAGS -ansi -Wall -W";;
+ esac
+ if test $lyx_devel_version = yes ; then
+ case $gxx_version in
+ 2.95.*) ;;
+ *) CXXFLAGS="$CXXFLAGS -pedantic";;
+ esac
+ fi
+ fi
+else
+ GXX=
+ test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
+fi
+])dnl
+
+
+dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
+dnl supports RTTI
+AC_DEFUN(LYX_CXX_RTTI,[
+### Check whether the compiler supports runtime type information
+AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
+ [AC_TRY_RUN([
+class rtti {
+public:
+ virtual int tag() { return 0; }
+};
+class derived1 : public rtti {
+public:
+ int tag() { return 1; }
+};
+class derived2 : public rtti {
+public:
+ int tag() { return 2; }
+};
+int main() {
+ derived1 * foo1 = new derived1();
+ derived2 * foo2 = new derived2();
+ rtti * bar = foo1;
+ derived1 * bar1 = dynamic_cast<derived1 *>(bar);
+ if (bar1 == 0)
+ exit(1);
+ bar = foo2;
+ bar1 = dynamic_cast<derived1 *>(bar);
+ if (bar1 != 0)
+ exit(1);
+ return 0;
+}
+],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
+])
+if test x$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 <stack>
+using std::stack;
+],[
+ stack<int> 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 <string>
+#include <algorithm>
+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 <iostream>
+],[
+ 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 <string>
+ using std::string;
+ ],[
+ string a("hello there");
+ a.clear();
+ a = "hey";
+ 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 T, class K>
+class k {
+public:
+};
+template<class T> class k<void,T> { };
+],[
+ k<float, float> b;
+ k<void,void> 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([
+ #include <vector>
+ using std::vector;
+],[
+ vector<int> test;
+ 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 <clocale>
+#include <cctype>
+#include <cerrno>
+#include <cmath>
+#include <csignal>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>],[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)], $LYX_LIBS)
+
+### Check for Xpm headers
+lyx_cv_xpm_h_location="<xpm.h>"
+AC_CHECK_HEADER(X11/xpm.h,[
+ ac_cv_header_xpm_h=yes
+ lyx_cv_xpm_h_location="<X11/xpm.h>"],[
+AC_CHECK_HEADER(xpm.h,[],[
+LYX_LIB_ERROR(xpm.h,Xpm)])])
+AC_DEFINE_UNQUOTED(XPM_H_LOCATION,$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 <<EOF
+#line __oline__ "configure"
+#include "confdefs.h"
+
+#include XPM_H_LOCATION
+"%%%"lyx_cv_xpmv=XpmVersion;lyx_cv_xpmr=XpmRevision"%%%"
+EOF
+ eval `(eval "$ac_cpp conftest.$ac_ext") 2>&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)], $LYX_LIBS)
+
+### Check for xforms headers
+lyx_cv_forms_h_location="<forms.h>"
+AC_CHECK_HEADER(X11/forms.h,[
+ ac_cv_header_forms_h=yes
+ lyx_cv_forms_h_location="<X11/forms.h>"],[
+AC_CHECK_HEADER(forms.h,[],[
+LYX_LIB_ERROR(forms.h,forms)])])
+AC_DEFINE_UNQUOTED(FORMS_H_LOCATION,$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 <<EOF
+#line __oline__ "configure"
+#include "confdefs.h"
+
+#include FORMS_H_LOCATION
+#if ! defined(FL_INCLUDE_VERSION)
+"%%%"(unknown)"%%%"
+#else
+"%%%"FL_VERSION.FL_REVISION"%%%"
+#endif
+EOF
+lyx_cv_xfversion=`(eval "$ac_cpp conftest.$ac_ext") 2>&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$GXX" = xyes && lyx_broken_headers=yes
+fi])
+
+dnl Usage: LYX_FUNC_PUTENV_ARGTYPE
+dnl Checks whether putenv() takes 'char const *' or 'char *' as
+dnl argument. This is needed because Solaris 7 (wrongly?) uses 'char *',
+dnl while everybody else uses the former...
+AC_DEFUN(LYX_FUNC_PUTENV_ARGTYPE,
+[AC_MSG_CHECKING([type of argument for putenv()])
+ AC_CACHE_VAL(lyx_cv_func_putenv_arg,dnl
+ [AC_TRY_COMPILE(dnl
+[#include <cstdlib>
+extern int putenv(const char *);],,dnl
+ [lyx_cv_func_putenv_arg='char const *'],[lyx_cv_func_putenv_arg='char *'])])
+ AC_MSG_RESULT($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
+#line __oline__ "configure"
+#include "confdefs.h"
+
+#include <$1>
+EOF
+lyx_cv_path_$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
+#line __oline__ "configure"
+#include "confdefs.h"
+
+#include <stl_string_fwd.h>
+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,$lyx_cv_path_stl_string_fwd_h,
+[define this to the location of stl_string_fwd.h to be used with #include,
+ NOTE: Do not set it to <stl_string_fwd.h> as that will find the LyX
+ supplied version of the header.
+ e.g. <../include/stl_string_fwd.h> or better yet use an absolute path])])
+])
+
+
+dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
+dnl if the cache file is inconsistent with the current host,
+dnl target and build system types, execute CMD or print a default
+dnl error message.
+AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
+ AC_REQUIRE([AC_CANONICAL_SYSTEM])
+ AC_MSG_CHECKING([config.cache system type])
+ if { test x"${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 <sys/types.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#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))
+])
+