add comment

diff --git a/m4/x11.m4 b/m4/x11.m4
index 619959c6a9d399572ee8736a1f970a0c6ea374be..80c413c5217e396e22a701a86734ad5623155ac4 100644 (file)
--- a/m4/x11.m4
+++ b/m4/x11.m4
@@ -82,7 +82,7 @@ AC_DEFUN([XFT_DEVEL],
   LIBS="$LIBS $XFT_LIBS"
   CXXFLAGS="$XFT_CFLAGS $CXXFLAGS"
 
-  AC_CHECK_LIB([Xft], [XftGetVersion],
+  AC_CHECK_LIB([Xft], [XftGetVersion], # this was not defined in < 2.0
     if test "$XFT_MIN"; then
       AC_MSG_CHECKING([for X11/Xft/Xft.h for Xft >= $XFT_MIN])
       AC_TRY_COMPILE(