only include strings.h when needed for ffs
commit5f0b6e8fdceab26003a5d97d10aff35a05fc1be8
authorSven Verdoolaege <skimo@kotnet.org>
Mon, 15 Jun 2015 13:19:22 +0000 (15 15:19 +0200)
committerSven Verdoolaege <skimo@kotnet.org>
Wed, 17 Jun 2015 08:31:31 +0000 (17 10:31 +0200)
tree90259332420ae57f8294f4b45bb3a4a81f61b4cb
parent0aee129d45819e064e92eec150b4fab08b17f21b
only include strings.h when needed for ffs

The "strings.h" header is included in some files for the declaration of ffs.
Howver, some platforms do not have a "strings.h".  Only include "strings.h"
when a declaration for ffs was found.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
isl_config_post.h
isl_hash.c
isl_map_simplify.c