Mesa (master): only use -Werror flags with gcc 4.2.x and 4.3.x.

[Alan Hourihane]

Module: Mesa
Branch: master
Commit: 1019f0de1170f627e8e9ce7b449f7a76d89c6742
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1019f0de1170f627e8e9ce7b449f7a76d89c6742

Author: Alan Hourihane <alanh at vmware.com>
Date:   Tue Jan 26 19:13:27 2010 +0000

only use -Werror flags with gcc 4.2.x and 4.3.x.
could use a better test here though.

---

 scons/gallium.py |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/scons/gallium.py b/scons/gallium.py
index 24f88e1..1a095d8 100644
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -268,16 +268,22 @@ def generate(env):
         ccflags += [
             '-Wall',
             '-Wmissing-field-initializers',
-            '-Werror=pointer-arith',
             '-Wno-long-long',
             '-ffast-math',
             '-fmessage-length=0', # be nice to Eclipse
         ]
         cflags += [
-            '-Werror=declaration-after-statement',
             '-Wmissing-prototypes',
             '-std=gnu99',
         ]
+        if env['CCVERSION'].startswith('4.2.') or
+           env['CCVERSION'].startswith('4.3.'):
+	    ccflags += [
+            	'-Werror=pointer-arith',
+	    ]
+	    cflags += [
+            	'-Werror=declaration-after-statement',
+	    ]
     if msvc:
         # See also:
         # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx