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dnl some macros to test for xforms-related functionality -*- sh -*- |
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dnl Usage LYX_PATH_XFORMS: Checks for xforms library and flags |
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dnl If it is found, the variable XFORMS_LIB is set to the relevant -l flags, |
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dnl and FORMS_H_LOCATION / FLIMAGE_H_LOCATION is also set |
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AC_DEFUN(LYX_PATH_XFORMS,[ |
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AC_REQUIRE([LYX_PATH_XPM]) |
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AC_CHECK_LIB(forms, fl_initialize, XFORMS_LIB="-lforms", |
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[AC_CHECK_LIB(xforms, fl_initialize, XFORMS_LIB="-lxforms", |
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[LYX_LIB_ERROR(libforms or libxforms,xforms)], $XPM_LIB)], $XPM_LIB) |
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AC_SUBST(XFORMS_LIB) |
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### Check for xforms headers |
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lyx_cv_forms_h_location="<forms.h>" |
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AC_CHECK_HEADER(X11/forms.h,[ |
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ac_cv_header_forms_h=yes |
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lyx_cv_forms_h_location="<X11/forms.h>"],[ |
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AC_CHECK_HEADER(forms.h,[],[ |
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LYX_LIB_ERROR(forms.h,forms)])]) |
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AC_DEFINE_UNQUOTED(FORMS_H_LOCATION,$lyx_cv_forms_h_location, |
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[define this to the location of forms.h to be used with #include, e.g. <forms.h>]) |
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if test $ac_cv_header_forms_h = yes; then |
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AC_CACHE_CHECK([xforms header version],lyx_cv_xfversion, |
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[ cat > conftest.$ac_ext <<EOF |
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#line __oline__ "configure" |
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#include "confdefs.h" |
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#include FORMS_H_LOCATION |
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#if ! defined(FL_INCLUDE_VERSION) |
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"%%%"(unknown)"%%%" |
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#else |
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"%%%"FL_VERSION.FL_REVISION.FL_FIXLEVEL"%%%" |
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#endif |
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EOF |
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lyx_cv_xfversion=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \ |
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grep '^"%%%"' 2>/dev/null | \ |
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sed -e 's/^"%%%"\(.*\)"%%%"/\1/' -e 's/ //g'` |
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rm -f conftest*]) |
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XFORMS_VERSION=$lyx_cv_xfversion |
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case "$lyx_cv_xfversion" in |
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"(unknown)"|0.8[1-7]*) |
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LYX_ERROR(dnl |
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Version $lyx_cv_xfversion of xforms is not compatible with LyX. |
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This version of LyX works best with versions 0.88 (recommended) and later.) ;; |
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0.88*) ;; |
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0.89[01234]) LYX_WARNING(dnl |
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LyX should work ok with version $lyx_cv_xfversion of xforms[,] but |
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it is an unproven version and might still have some bugs. You should |
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probably use version 0.89.6 (or 0.88) instead) ;; |
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0.89*) ;; |
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0.9999*) ;; |
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1.0*) ;; |
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*) LYX_WARNING(dnl |
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Version $lyx_cv_xfversion of xforms might not be compatible with LyX[,] |
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since it is newer than 0.89. You might have slight problems with it.);; |
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esac |
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fi |
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]) |
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dnl Check whether the xforms library has a viable image loader |
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AC_DEFUN(LYX_USE_XFORMS_IMAGE_LOADER, |
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[AC_REQUIRE([LYX_PATH_XFORMS]) |
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save_LIBS=$LIBS |
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LIBS="$XFORMS_LIB $XPM_LIB $LIBS" |
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lyx_use_xforms_image_loader=no |
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AC_LANG_SAVE |
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AC_LANG_C |
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AC_CHECK_LIB(jpeg, jpeg_read_header, |
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[XFORMS_IMAGE_LIB=-ljpeg |
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LIBS="$LIBS -ljpeg"]) |
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AC_SEARCH_LIBS(flimage_dup, flimage, |
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[lyx_use_xforms_image_loader=yes |
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if test "$ac_cv_search_flimage_dup" != "none required" ; then |
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XFORMS_IMAGE_LIB="-lflimage $XFORMS_IMAGE_LIB" |
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LIBS="$XFORMS_IMAGE_LIB $LIBS" |
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fi]) |
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AC_SUBST(XFORMS_IMAGE_LIB) |
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if test $lyx_use_xforms_image_loader = yes ; then |
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lyx_flags="$lyx_flags xforms-image-loader" |
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AC_DEFINE(USE_XFORMS_IMAGE_LOADER, 1, |
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[Define if you want to use xforms built-in image loader]) |
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AC_CHECK_FUNCS(flimage_enable_ps flimage_enable_jpeg) |
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AC_CHECK_HEADERS(flimage.h X11/flimage.h, break) |
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fi |
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### If the gui cannot load images itself, then we default to the |
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### very simple one in graphics/GraphicsImageXPM.[Ch] |
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AM_CONDITIONAL(USE_BASIC_IMAGE_LOADER, |
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test $lyx_use_xforms_image_loader = no) |
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AC_LANG_RESTORE |
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LIBS=$save_LIBS]) |