[Mesa-dev] [PATCH] configure.ac: Save user {C, CXX}FLAGS and append them at end.

[Matt Turner]

On Sat, Dec 22, 2012 at 9:16 AM, Johannes Obermayr
<johannesobermayr at gmx.de> wrote:
> This way the user has the privilege of last decision and so the option to build an optimized debug build again.
> ---

You can just do CFLAGS="-g -O2" ./configure can't you?