nixpkgs/pkgs/development/tools/documentation/gtk-doc/respect-xml-catalog-files-v...

29 lines
923 B
Diff

diff --git a/m4/gtkdoc_jh_check_xml_catalog.m4 b/m4/gtkdoc_jh_check_xml_catalog.m4
index 618c1c9..1842a0d 100644
--- a/m4/gtkdoc_jh_check_xml_catalog.m4
+++ b/m4/gtkdoc_jh_check_xml_catalog.m4
@@ -10,7 +10,21 @@ AC_DEFUN([JH_CHECK_XML_CATALOG],
AC_MSG_RESULT([found])
ifelse([$3],,,[$3])
else
- AC_MSG_RESULT([not found])
- ifelse([$4],,[AC_MSG_ERROR([could not find ifelse([$2],,[$1],[$2]) in XML catalog])],[$4])
+ jh_check_xml_catalog_saved_ifs="$IFS"
+ IFS=' '
+ for f in $XML_CATALOG_FILES; do
+ if [[ -f "$f" ]] && \
+ AC_RUN_LOG([$XMLCATALOG --noout "$f" "$1" >&2]); then
+ jh_found_xmlcatalog=true
+ AC_MSG_RESULT([found])
+ ifelse([$3],,,[$3])
+ break
+ fi
+ done
+ IFS="$jh_check_xml_catalog_saved_ifs"
+ if ! $jh_found_xmlcatalog; then
+ AC_MSG_RESULT([not found])
+ ifelse([$4],,[AC_MSG_ERROR([could not find ifelse([$2],,[$1],[$2]) in XML catalog])],[$4])
+ fi
fi
])