Add 'docs' and 'doxygen' targets to top-level Makefile.

[openocd.git] / configure.in

diff --git a/configure.in b/configure.in
index 4243e6683d1e71f15120cd8b99e5fa4f6e0c82f1..e46f06f8d9c30035ac94957aa7c864510318a19b 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -18,7 +18,6 @@ AC_CHECK_HEADERS(malloc.h)
 AC_CHECK_HEADERS(netdb.h)
 AC_CHECK_HEADERS(netinet/in.h)
 AC_CHECK_HEADERS(netinet/tcp.h)
-AC_CHECK_HEADERS(net/if.h)
 AC_CHECK_HEADERS(pthread.h)
 AC_CHECK_HEADERS(strings.h)
 AC_CHECK_HEADERS(sys/ioctl.h)
@@ -31,6 +30,21 @@ AC_CHECK_HEADERS(sys/time.h)
 AC_CHECK_HEADERS(sys/types.h)
 AC_CHECK_HEADERS(unistd.h)
 
+AC_CHECK_HEADERS([net/if.h], [], [], [dnl
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+])
+
 AC_HEADER_ASSERT
 AC_HEADER_STDBOOL
 AC_HEADER_TIME
@@ -778,6 +792,11 @@ then
 fi
 
 AM_CONFIG_HEADER(config.h)
+AH_BOTTOM([
+#include "system.h"
+#include "replacements.h"
+])
+
 AM_INIT_AUTOMAKE([-Wall -Wno-portability])
 AM_MAINTAINER_MODE
 
@@ -851,6 +870,7 @@ if test "${has_environ}" != "yes" ; then
      AC_MSG_FAILURE([Could not find 'environ' in unistd.h or available libraries.]) 
 fi
 
+AC_DEFINE([_GNU_SOURCE],[1],[Use GNU C library extensions (e.g. stdndup).])
 
 # set default gcc warnings
 GCC_WARNINGS="-Wall -Wstrict-prototypes -Wformat-security"