X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/xtoys/blobdiff_plain/23a4d5f7ad87f5bc60ce07f37e9af94ac7fc080d..00eeffbb98838c1b5f1bc2544ef5a60418b9325b:/configure.ac

diff --git a/configure.ac b/configure.ac
index 7a635b3..ce290ec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,22 @@ AC_PROG_CC
 AX_CFLAGS_WARN_ALL
 AC_PATH_XTRA
 
+mdw_LIBS=$LIBS LIBS= mdw_have_xrandr_p=nil
+AC_SEARCH_LIBS([XRRGetScreenInfo], [Xrandr], [mdw_have_xrandr_p=t])
+case $mdw_have_xrandr_p in
+  t)
+    AC_CHECK_HEADERS([X11/extensions/Xrandr.h], [], [mdw_have_xrandr_p=nil])
+    ;;
+esac
+case $mdw_have_xrandr_p in
+  t)
+    XRANDR_LIBS=$LIBS
+    AC_DEFINE([HAVE_XRANDR], [1], [Define if libXrandr is installed.])
+    ;;
+esac
+LIBS=$mdw_LIBS
+AC_SUBST([XRANDR_LIBS])
+
 PKG_CHECK_MODULES([mLib], [mLib >= 2.0.4])
 CFLAGS="$CFLAGS $mLib_CFLAGS"
 LIBS="$LIBS $mLib_LIBS"