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authorEvgeny Zverev <evgeny.zverev@gmail.com>2013-01-12 00:02:40 +0400
committerHarald Welte <laforge@gnumonks.org>2013-01-12 15:10:58 +0100
commit06ddf8bd24ae1104f77498d4cd0c766c164d4525 (patch)
treed5f8d7524c3d119a232fe109757b3721c31e8de0 /src/gb
parentde6e4983e7f83794e45af5a70b036ed9f4437ab5 (diff)
Fix build on Cygwin
Diffstat (limited to 'src/gb')
-rw-r--r--src/gb/gprs_ns_frgre.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gb/gprs_ns_frgre.c b/src/gb/gprs_ns_frgre.c
index e557c7e8..57cf65e3 100644
--- a/src/gb/gprs_ns_frgre.c
+++ b/src/gb/gprs_ns_frgre.c
@@ -43,12 +43,16 @@
#define GRE_PTYPE_IPv4 0x0800
#define GRE_PTYPE_KAR 0x0000 /* keepalive response */
+#ifndef IPPROTO_GRE
+# define IPPROTO_GRE 47
+#endif
+
struct gre_hdr {
uint16_t flags;
uint16_t ptype;
} __attribute__ ((packed));
-#if defined(__FreeBSD__) || defined(__APPLE__)
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__CYGWIN__)
/**
* On BSD the IPv4 struct is called struct ip and instead of iXX
* the members are called ip_XX. One could change this code to use