From e476442cf0e84c65565ace545f5b73602b5f0ffc Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Sun, 22 May 2011 12:25:57 +0200
Subject: GSMTAP/socket code: Check for sys/socket.h and conditionally compile

---
 configure.in                  |  2 +-
 include/osmocom/core/socket.h |  5 +++--
 src/gsmtap_util.c             | 14 ++++++++------
 src/socket.c                  |  6 +++++-
 4 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/configure.in b/configure.in
index ead18f07..2e22bb24 100644
--- a/configure.in
+++ b/configure.in
@@ -18,7 +18,7 @@ AC_CONFIG_MACRO_DIR([m4])
 
 dnl checks for header files
 AC_HEADER_STDC
-AC_CHECK_HEADERS(execinfo.h sys/select.h syslog.h ctype.h)
+AC_CHECK_HEADERS(execinfo.h sys/select.h sys/socket.h syslog.h ctype.h)
 
 # The following test is taken from WebKit's webkit.m4
 saved_CFLAGS="$CFLAGS"
diff --git a/include/osmocom/core/socket.h b/include/osmocom/core/socket.h
index 3ede524b..a3baa9d5 100644
--- a/include/osmocom/core/socket.h
+++ b/include/osmocom/core/socket.h
@@ -2,7 +2,8 @@
 #define _OSMOCORE_SOCKET_H
 
 #include <stdint.h>
-#include <sys/socket.h>
+
+struct sockaddr;
 
 int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
 		   const char *host, uint16_t port, int connect0_bind1);
@@ -11,6 +12,6 @@ int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
 		      uint8_t proto, int connect0_bind1);
 
 /* determine if the given address is a local address */
-int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen);
+int osmo_sockaddr_is_local(struct sockaddr *addr, unsigned int addrlen);
 
 #endif /* _OSMOCORE_SOCKET_H */
diff --git a/src/gsmtap_util.c b/src/gsmtap_util.c
index 15426358..5c68b6a0 100644
--- a/src/gsmtap_util.c
+++ b/src/gsmtap_util.c
@@ -32,10 +32,9 @@
 #include <osmocom/gsm/protocol/gsm_04_08.h>
 #include <osmocom/gsm/rsl.h>
 
-#include <arpa/inet.h>
-#include <sys/socket.h>
 #include <sys/types.h>
-#include <netinet/in.h>
+
+#include <arpa/inet.h>
 
 #include <stdio.h>
 #include <unistd.h>
@@ -111,6 +110,11 @@ struct msgb *gsmtap_makemsg(uint16_t arfcn, uint8_t ts, uint8_t chan_type,
 	return msg;
 }
 
+#ifdef HAVE_SYS_SOCKET_H
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+
 /* Open a GSMTAP source (sending) socket, conncet it to host/port and
  * return resulting fd */
 int gsmtap_source_init_fd(const char *host, uint16_t port)
@@ -142,8 +146,6 @@ int gsmtap_source_add_sink_fd(int gsmtap_fd)
 	return -ENODEV;
 }
 
-#ifdef HAVE_SYS_SELECT_H
-
 int gsmtap_sendmsg(struct gsmtap_inst *gti, struct msgb *msg)
 {
 	if (gti->ofd_wq_mode)
@@ -270,4 +272,4 @@ struct gsmtap_inst *gsmtap_source_init(const char *host, uint16_t port,
 	return gti;
 }
 
-#endif /* HAVE_SYS_SELECT_H */
+#endif /* HAVE_SYS_SOCKET_H */
diff --git a/src/socket.c b/src/socket.c
index bd4914fd..e053c24d 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -1,5 +1,7 @@
 #include "../config.h"
 
+#ifdef HAVE_SYS_SOCKET_H
+
 #include <osmocom/core/logging.h>
 #include <osmocom/core/select.h>
 #include <osmocom/core/socket.h>
@@ -97,7 +99,7 @@ int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
 }
 
 static int sockaddr_equal(const struct sockaddr *a,
-			  const struct sockaddr *b, socklen_t len)
+			  const struct sockaddr *b, unsigned int len)
 {
 	struct sockaddr_in *sin_a, *sin_b;
 	struct sockaddr_in6 *sin6_a, *sin6_b;
@@ -141,3 +143,5 @@ int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen)
 
 	return 0;
 }
+
+#endif /* HAVE_SYS_SOCKET_H */
-- 
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