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-rw-r--r--xorg-macros.m4.in17
1 files changed, 17 insertions, 0 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in
index a0d94f8..a1a0961 100644
--- a/xorg-macros.m4.in
+++ b/xorg-macros.m4.in
@@ -355,6 +355,10 @@ AC_SUBST(MAKE_HTML)
# --with-xmlto: 'yes' user instructs the module to use xmlto
# 'no' user instructs the module not to use xmlto
#
+# Added in version 1.10.0
+# HAVE_XMLTO_TEXT: used in makefiles to conditionally generate text documentation
+# xmlto for text output requires either lynx, links, or w3m browsers
+#
# If the user sets the value of XMLTO, AC_PATH_PROG skips testing the path.
#
AC_DEFUN([XORG_WITH_XMLTO],[
@@ -386,6 +390,8 @@ elif test "x$use_xmlto" = x"no" ; then
else
AC_MSG_ERROR([--with-xmlto expects 'yes' or 'no'])
fi
+
+# Test for a minimum version of xmlto, if provided.
m4_ifval([$1],
[if test "$have_xmlto" = yes; then
# scrape the xmlto version
@@ -400,6 +406,17 @@ m4_ifval([$1],
AC_MSG_ERROR([xmlto version $xmlto_version found, but $1 needed])
fi])
fi])
+
+# Test for the ability of xmlto to generate a text target
+have_xmlto_text=no
+cat > conftest.xml << "EOF"
+EOF
+AS_IF([test "$have_xmlto" = yes],
+ [AS_IF([$XMLTO --skip-validation txt conftest.xml >/dev/null 2>&1],
+ [have_xmlto_text=yes],
+ [AC_MSG_WARN([xmlto cannot generate text format, this format skipped])])])
+rm -f conftest.xml
+AM_CONDITIONAL([HAVE_XMLTO_TEXT], [test $have_xmlto_text = yes])
AM_CONDITIONAL([HAVE_XMLTO], [test "$have_xmlto" = yes])
]) # XORG_WITH_XMLTO