From: Baruch Siach Date: Thu, 2 Mar 2017 07:35:07 +0000 (+0200) Subject: utils: nfsynproxy: fix build with musl libc X-Git-Tag: v1.6.2~70 X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=2c8e251ef83d0b8d0145c2cebd77edec538f1c85;p=thirdparty%2Fiptables.git utils: nfsynproxy: fix build with musl libc The musl libc exposes some struct tcphdr field only when _GNU_SOURCE is defined. Fix the following build failure: nfsynproxy.c: In function ‘parse_packet’: nfsynproxy.c:34:9: error: ‘const struct tcphdr’ has no member named ‘syn’ if (!th->syn || !th->ack) ^ nfsynproxy.c:34:21: error: ‘const struct tcphdr’ has no member named ‘ack’ if (!th->syn || !th->ack) ^ nfsynproxy.c:42:8: error: ‘const struct tcphdr’ has no member named ‘res2’ if (th->res2 == 0x1) ^ nfsynproxy.c:45:13: error: ‘const struct tcphdr’ has no member named ‘doff’ length = th->doff * 4 - sizeof(*th); ^ Signed-off-by: Baruch Siach Signed-off-by: Pablo Neira Ayuso --- diff --git a/utils/nfsynproxy.c b/utils/nfsynproxy.c index baedc92c..bf5c4163 100644 --- a/utils/nfsynproxy.c +++ b/utils/nfsynproxy.c @@ -6,6 +6,7 @@ * published by the Free Software Foundation. */ +#define _GNU_SOURCE #include #include #include