pkgs/development/tools/documentation/gtk-doc/respect-xml-catalog-files-var.patch

   1 --- a/m4/gtkdoc_jh_check_xml_catalog.m4
   2 +++ b/m4/gtkdoc_jh_check_xml_catalog.m4
   3 @@ -5,8 +5,8 @@
   4  [
   5         AC_REQUIRE([JH_PATH_XML_CATALOG],[JH_PATH_XML_CATALOG(,[:])])dnl
   6         AC_MSG_CHECKING([for ifelse([$2],,[$1],[$2]) in XML catalog])
   7 -       if $jh_found_xmlcatalog && \
   8 -               AC_RUN_LOG([$XMLCATALOG --noout "$XML_CATALOG_FILE" "$1" >&2]); then
   9 +       # empty argument forces libxml to use XML_CATALOG_FILES variable
  10 +       if AC_RUN_LOG([$XMLCATALOG --noout "" "$1" >&2]); then
  11                 AC_MSG_RESULT([found])
  12                 ifelse([$3],,,[$3])
  13         else