[Mesa-dev] [PATCH] configure: Fix bashism.

[Eric Anholt]

/bin/sh defaults to dash on debian.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 258cb3d..3f75266 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1072,7 +1072,7 @@ if test -n "$with_dri_drivers"; then
 
     dri_drivers=`IFS=', '; echo $with_dri_drivers`
     for driver in $dri_drivers; do
-        DRI_DIRS+="$driver "
+        DRI_DIRS="$DRI_DIRS $driver"
         case "x$driver" in
         xi915)
             HAVE_I915_DRI=yes;
-- 
1.9.rc1