From cc77e8f1131fc66e8405dc4d3b03582db1f54ca4 Mon Sep 17 00:00:00 2001
From: Dan Nicholson <dbn.lists@gmail.com>
Date: Mon, 5 May 2008 14:38:22 -0700
Subject: autoconf: Error for incompatible version of libdrm

The DRI modules can only be built against libdrm master (currently
version 2.3.1), so this should be enforced to save people from trying to
build against older versions.

Added a section at the top of the script to consolidate all required
versions.
---
 configure.ac | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index ca63c7e20a..bc2ebf6583 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,6 +17,10 @@ AC_INIT([Mesa],[mesa_version],
 AC_CONFIG_AUX_DIR([bin])
 AC_CANONICAL_HOST
 
+dnl Versions for external dependencies
+LIBDRM_REQUIRED=2.3.1
+DRI2PROTO_REQUIRED=1.1
+
 dnl Check for progs
 AC_PROG_CPP
 AC_PROG_CC
@@ -404,8 +408,8 @@ dri)
     fi
 
     # Check for libdrm
-    PKG_CHECK_MODULES([LIBDRM], [libdrm])
-    PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= 1.1])
+    PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED])
+    PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
 
     # find the DRI deps for libGL
     if test "$x11_pkgconfig" = yes; then
-- 
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