build: use -Wno-sign-compare to avoid compilation warning in mini-gmp.c

  CC     mini-gmp.o
mini-gmp.c: In function ‘mpn_get_str_bits’:
mini-gmp.c:1176:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
mini-gmp.c: In function ‘mpz_and’:
mini-gmp.c:3650:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
mini-gmp.c: In function ‘mpz_ior’:
mini-gmp.c:3723:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
mini-gmp.c: In function ‘mpz_xor’:
mini-gmp.c:3792:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
mini-gmp.c: In function ‘mpz_set_str’:
mini-gmp.c:4167:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/src/Makefile.am b/src/Makefile.am
index 099052a9d3ed94ed7d83694fe41e4d856478e1a9..2410fd371fecddfe7b4b35983e3d1031f435b4f3 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -52,6 +52,8 @@ nft_SOURCES +=        cli.c
 endif
 
 if BUILD_MINIGMP
+mini-gmp.o: AM_CFLAGS += -Wno-sign-compare
+
 nft_SOURCES += mini-gmp.c
 endif