Fix warnings.

diff --git a/doxygen.m4 b/doxygen.m4
index e4688de..e9c56c2 100644 (file)
--- a/doxygen.m4
+++ b/doxygen.m4
@@ -78,7 +78,7 @@ 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 +101,7 @@ 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,