configure.ac: add endian headers to configure test
commite5033dfd1c3c30313cf7a428c7bed21c7fae9e5f
authorH. Peter Anvin <hpa@linux.intel.com>
Thu, 30 Nov 2017 00:04:05 +0000 (29 16:04 -0800)
committerH. Peter Anvin <hpa@linux.intel.com>
Thu, 30 Nov 2017 00:04:05 +0000 (29 16:04 -0800)
tree817b36021a8fc34a32209c17555db6ed5432d1f2
parent2dbfdee7808f14805e639e960e2ebe0da17e42f9
configure.ac: add endian headers to configure test

- Add endian headers to the standard tests if present
- Check for __builtin_constant_p()

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
configure.ac