From cdfc7c6c740cb72a85bd4b8ec517ef5488ae2f1a Mon Sep 17 00:00:00 2001
From: Emil Velikov <emil.l.velikov@gmail.com>
Date: Thu, 24 Jul 2014 23:05:55 +0100
Subject: [PATCH] configure.ac: bail out if building gallium_gbm without
 gallium_egl

The former is the only user of the latter. As such building gbm
without egl makes little to no sense.

Cc: "10.2" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
(cherry picked from commit 1d1ec76bdf24a45cbfc919828ffb8e3f6788d725)
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index b8f584c987d..dbfc4fc24b6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1273,6 +1273,10 @@ if test "x$enable_gallium_gbm" = xyes; then
         AC_MSG_ERROR([gbm_gallium requires --enable-dri to build])
     fi
 
+    if test "x$enable_gallium_egl" != xyes; then
+        AC_MSG_ERROR([gbm_gallium is only used by egl_gallium])
+    fi
+
     GALLIUM_STATE_TRACKERS_DIRS="gbm $GALLIUM_STATE_TRACKERS_DIRS"
     GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS gbm"
     enable_gallium_loader=yes