mesa: bump required GCC version to 4.2.0

It turns out Mesa hasn't compiled on less then 4.2 for a while
 so update conf to reflect this.

Signed-off-by: Timothy Arceri <t_arceri@yahoo.com.au>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

diff --git a/configure.ac b/configure.ac
index fdb76760c4f8b034da842c05ecc5e4f8f84f3c7a..c8723ef26cf13f69d50f23e47309b8984929fb3d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -102,7 +102,7 @@ AC_COMPILE_IFELSE(
 
 AC_MSG_RESULT([$acv_mesa_CLANG])
 
-dnl If we're using GCC, make sure that it is at least version 4.1.0.  Older
+dnl If we're using GCC, make sure that it is at least version 4.2.0.  Older
 dnl versions are explictly not supported.
 GEN_ASM_OFFSETS=no
 if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
@@ -116,9 +116,9 @@ if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
         GCC_VERSION_MINOR=`echo $GCC_VERSION | cut -d. -f2`
     fi
 
-    if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 1 ; then
+    if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 2 ; then
         AC_MSG_RESULT([no])
-        AC_MSG_ERROR([If using GCC, version 4.1.0 or later is required.])
+        AC_MSG_ERROR([If using GCC, version 4.2.0 or later is required.])
     else
         AC_MSG_RESULT([yes])
     fi