fi])
-dnl Usage LYX_PATH_XFORMS: Checks for xforms library and flags
-dnl If it is found, the variable XFORMS_LIB is set to the relevant -l flag.
-AC_DEFUN(LYX_PATH_XFORMS,[
-### Check for xforms library
-AC_CHECK_LIB(forms, fl_initialize, XFORMS_LIB="-lforms",
- [AC_CHECK_LIB(xforms, fl_initialize, XFORMS_LIB="-lxforms",
- [LYX_LIB_ERROR(libforms or libxforms,xforms)])])
-AC_SUBST(XFORMS_LIB)
-### 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.FL_FIXLEVEL"%%%"
-#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*])
-XFORMS_VERSION=$lyx_cv_xfversion
-case "$lyx_cv_xfversion" in
- "(unknown)"|0.8[1-7]*)
- LYX_ERROR(dnl
-Version $lyx_cv_xfversion of xforms is not compatible with LyX.
- This version of LyX works best with versions 0.88 (recommended) and later.) ;;
- 0.88*) ;;
- 0.89[01234]) 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. You should
-probably use version 0.89.6 (or 0.88) instead) ;;
- 0.89*) ;;
- *) LYX_WARNING(dnl
-Version $lyx_cv_xfversion of xforms might not be compatible with LyX[,]
- since it is newer than 0.89. You might have slight problems with it.);;
-esac
-fi])
-
-
-dnl Check whether the xforms library has a viable image loader
-AC_DEFUN(LYX_USE_XFORMS_IMAGE_LOADER,
-[
-save_LIBS=$LIBS
-LIBS="$XFORMS_LIB $LIBS"
-lyx_use_xforms_image_loader=no
-AC_CHECK_FUNCS(flimage_dup,[
- AC_CHECK_FUNCS(flimage_to_pixmap,[
- lyx_use_xforms_image_loader=yes
- AC_CHECK_FUNCS(flimage_enable_ps)])])
-LIBS=$save_LIBS
-test $lyx_use_xforms_image_loader = yes && lyx_flags="$lyx_flags xforms-image-loader"
-### If the gui cannot load images itself, then we default to the
-### very simple one in graphics/GraphicsImageXPM.[Ch]
-AM_CONDITIONAL(USE_BASIC_IMAGE_LOADER,
- test $lyx_use_xforms_image_loader = no)
-])
-
-
-dnl Check if the image loader needs libjpeg
-AC_DEFUN(LYX_XFORMS_IMAGE_LOADER_NEEDS_JPEG,
-[
- if test "$lyx_use_xforms_image_loader" = "yes" ; then
- AC_MSG_CHECKING([whether libjpeg is needed])
- AC_LANG_SAVE
- AC_LANG_C
- save_LIBS=$LIBS
- LIBS="$XFORMS_LIB $LIBS"
- AC_TRY_LINK([#include <forms.h>],
- [jpeg_abort(0);],
- [lyx_need_jpeg=no],[lyx_need_jpeg=yes])
- LIBS=$save_LIBS
- AC_LANG_RESTORE
- AC_MSG_RESULT($lyx_need_jpeg)
- if test "$lyx_need_jpeg" = "yes" ; then
- LIBS="-ljpeg $LIBS"
- fi
- 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.