make sure we still build on systems that don't have IPPROTO_GRE

11 years ago · a334c296e0
parent 09db1a44bc
commit a334c296e0
1 changed files with 2 additions and 0 deletions
--- a/openbsc/src/libcommon/socket.c
+++ b/openbsc/src/libcommon/socket.c
@ -54,9 +54,11 @@ int make_sock(struct osmo_fd *bfd, int proto,
 	case IPPROTO_UDP:
 		type = SOCK_DGRAM;
 		break;
+#ifdef IPPROTO_GRE
 	case IPPROTO_GRE:
 		type = SOCK_RAW;
 		break;
+#endif
 	default:
 		return -EINVAL;
 	}