X-Git-Url: http://www.project-moonshot.org/gitweb/?p=shibboleth%2Fcpp-opensaml.git;a=blobdiff_plain;f=doxygen.m4;h=9bda4f66e057f96e1bec7a3db25d46d2a84a5bd9;hp=e4688de18d258729a010e6586b9245a7ef734277;hb=d832e76c5e3e4657231ed9f553fbd869b24de1e9;hpb=a01e3f87ebd87f3f3df92f17d8d0cda5825d5275

diff --git a/doxygen.m4 b/doxygen.m4
index e4688de..9bda4f6 100644
--- a/doxygen.m4
+++ b/doxygen.m4
@@ -51,6 +51,9 @@ AC_DEFUN([DX_FEATURE_xml],  OFF)
 AC_DEFUN([DX_FEATURE_pdf],  ON)
 AC_DEFUN([DX_FEATURE_ps],   ON)
 
+# Compatibility with older autoconf versions.
+m4_ifdef([AS_HELP_STRING], , [m4_define([AS_HELP_STRING], m4_defn([AC_HELP_STRING]))])
+
 ## --------------- ##
 ## Private macros. ##
 ## --------------- ##
@@ -78,7 +81,7 @@ AC_DEFUN([DX_REQUIRE_PROG], [
 AC_PATH_TOOL([$1], [$2])
 if test "$DX_FLAG_[]DX_CURRENT_FEATURE$$1" = 1; then
     AC_MSG_WARN([$2 not found - will not DX_CURRENT_DESCRIPTION])
-    AC_SUBST([DX_FLAG_[]DX_CURRENT_FEATURE], 0)
+    AC_SUBST([DX_FLAG_]DX_CURRENT_FEATURE, 0)
 fi
 ])
 
@@ -101,7 +104,7 @@ test "$DX_FLAG_$1" = "$2" \
 # ----------------------------------------------------------
 # Turn off the DX_CURRENT_FEATURE if the required feature is off.
 AC_DEFUN([DX_CLEAR_DEPEND], [
-test "$DX_FLAG_$1" = "$2" || AC_SUBST([DX_FLAG_[]DX_CURRENT_FEATURE], 0)
+test "$DX_FLAG_$1" = "$2" || AC_SUBST([DX_FLAG_]DX_CURRENT_FEATURE, 0)
 ])
 
 # DX_FEATURE_ARG(FEATURE, DESCRIPTION,