btrfs-progs: autoconf: set CFLAGS conditionally
authorDavid Sterba <dsterba@suse.cz>
Wed, 4 Feb 2015 18:23:38 +0000 (19:23 +0100)
committerDavid Sterba <dsterba@suse.cz>
Thu, 5 Feb 2015 13:33:36 +0000 (14:33 +0100)
commit9143fda114c0f57bc57ca30378874f100cb1af73
tree136002754e7c91d533911eed943fd421a2b05623
parent4aa32c9debfafad68fd39bce8702b8624f287acd
btrfs-progs: autoconf: set CFLAGS conditionally

The expected way to define custom CFLAGS is

  $ export CFLAGS=...
  $ ./configure ...

the build will use them. No not override the make variables directly
from now on.

Signed-off-by: David Sterba <dsterba@suse.cz>
configure.ac