Don't use -Wextra on older gcc.
authorMarko Kreen <markokr@gmail.com>
Sat, 25 Sep 2010 12:17:18 +0000 (05:17 -0700)
committerMarko Kreen <markokr@gmail.com>
Sun, 26 Sep 2010 04:07:05 +0000 (21:07 -0700)
commit896592c11ad64d23396884a80c9705d5909ebff5
tree5a7c45d2f01162e16356ed9bece0a34f84b1a3af
parent97a4db4a3055960a373cedc847323117bcf2f850
Don't use -Wextra on older gcc.

Check for -Wno-missing-field-initializers,
gcc without it would be too noisy.
m4/usual.m4