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-rw-r--r--xorg-macros.m4.in18
1 files changed, 16 insertions, 2 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in
index e23f9e1..cdff61d 100644
--- a/xorg-macros.m4.in
+++ b/xorg-macros.m4.in
@@ -304,7 +304,7 @@ AC_SUBST(MAKE_PDF)
AC_SUBST(MAKE_HTML)
]) # XORG_CHECK_DOCBOOK
-# XORG_WITH_XMLTO
+# XORG_WITH_XMLTO([MIN-VERSION])
# ----------------
# Minimum version: 1.5.0
#
@@ -352,8 +352,22 @@ elif test "x$use_xmlto" = x"no" ; then
else
AC_MSG_ERROR([--with-xmlto expects 'yes' or 'no'])
fi
+m4_ifval([$1],
+[if test "$have_xmlto" = yes; then
+ # scrape the xmlto version
+ AC_MSG_CHECKING([the xmlto version])
+ xmlto_version=`$XMLTO --version 2>/dev/null | cut -d' ' -f3`
+ AC_MSG_RESULT([$xmlto_version])
+ AS_VERSION_COMPARE([$xmlto_version], [$1],
+ [if test "x$use_xmlto" = xauto; then
+ AC_MSG_WARN([xmlto version $xmlto_version found, but $1 needed])
+ have_xmlto=no
+ else
+ AC_MSG_ERROR([xmlto version $xmlto_version found, but $1 needed])
+ fi])
+fi])
AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes])
-]) # XORG_CHECK_XMLTO
+]) # XORG_WITH_XMLTO
# XORG_WITH_ASCIIDOC([MIN-VERSION])
# ----------------