+ if test \! -z "$libdir" ; then
+ LDFLAGS="$LDFLAGS -L$libdir"
+ fi
+ # note: $X_LIBS includes $x_libraries
+ LDFLAGS="$LDFLAGS $X_LIBS $X_EXTRA_LIBS"
+
+ echo $ac_n "checking for XF86VidModeSetGammaRamp in -lXxf86vm""... $ac_c" 1>&6
+echo "configure:5104: checking for XF86VidModeSetGammaRamp in -lXxf86vm" >&5
+ac_lib_var=`echo Xxf86vm'_'XF86VidModeSetGammaRamp | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_save_LIBS="$LIBS"
+LIBS="-lXxf86vm -lXext -lX11 $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5112 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error. */
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char XF86VidModeSetGammaRamp();
+
+int main() {
+XF86VidModeSetGammaRamp()
+; return 0; }
+EOF
+if { (eval echo configure:5123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_lib_$ac_lib_var=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ have_xf86gamma_ramp=yes
+else
+ echo "$ac_t""no" 1>&6
+true
+fi
+
+ CPPFLAGS="$ac_save_CPPFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+# LIBS="$ac_save_LIBS"
+
+ fi
+
+ # if those tests succeeded, then we've really got the functions.