diff -up fltk-1.1.10/configure.pkgconfig_xft fltk-1.1.10/configure
--- fltk-1.1.10/configure.pkgconfig_xft	2010-02-14 14:03:17.730616944 -0600
+++ fltk-1.1.10/configure	2010-02-14 14:05:05.369368026 -0600
@@ -11945,8 +11945,8 @@ fi
 
 
 	    if test "x$FTCONFIG" != x; then
-	        CPPFLAGS="`$FTCONFIG --cflags` $CPPFLAGS"
-	        CXXFLAGS="`$FTCONFIG --cflags` $CXXFLAGS"
+	        CPPFLAGS="`pkg-config --cflags xft fontconfig` $CPPFLAGS"
+	        CXXFLAGS="`pkg-config --cflags xft fontconfig` $CXXFLAGS"
 
 		if test "${ac_cv_header_X11_Xft_Xft_h+set}" = set; then
   { echo "$as_me:$LINENO: checking for X11/Xft/Xft.h" >&5
@@ -12080,7 +12080,7 @@ if test "${ac_cv_lib_Xft_XftDrawCreate+s
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lXft  $LIBS"
+LIBS="`pkg-config --libs xft fontconfig` $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -12140,7 +12140,7 @@ if test $ac_cv_lib_Xft_XftDrawCreate = y
 #define USE_XFT 1
 _ACEOF
 
-			LIBS="-lXft $LIBS"
+			LIBS="`pkg-config xft --libs` $LIBS"
 fi
 
 fi