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Diffstat (limited to 'gl/m4/sockets.m4')
-rw-r--r-- | gl/m4/sockets.m4 | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gl/m4/sockets.m4 b/gl/m4/sockets.m4 new file mode 100644 index 00000000..aefb9360 --- /dev/null +++ b/gl/m4/sockets.m4 | |||
@@ -0,0 +1,90 @@ | |||
1 | # sockets.m4 serial 6 | ||
2 | dnl Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc. | ||
3 | dnl This file is free software; the Free Software Foundation | ||
4 | dnl gives unlimited permission to copy and/or distribute it, | ||
5 | dnl with or without modifications, as long as this notice is preserved. | ||
6 | |||
7 | AC_DEFUN([gl_SOCKETS], | ||
8 | [ | ||
9 | AC_REQUIRE([AC_C_INLINE]) | ||
10 | |||
11 | gl_PREREQ_SYS_H_WINSOCK2 dnl for HAVE_WINSOCK2_H | ||
12 | LIBSOCKET= | ||
13 | if test $HAVE_WINSOCK2_H = 1; then | ||
14 | dnl Native Windows API (not Cygwin). | ||
15 | AC_CACHE_CHECK([if we need to call WSAStartup in winsock2.h and -lws2_32], | ||
16 | [gl_cv_func_wsastartup], [ | ||
17 | gl_save_LIBS="$LIBS" | ||
18 | LIBS="$LIBS -lws2_32" | ||
19 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[ | ||
20 | #ifdef HAVE_WINSOCK2_H | ||
21 | # include <winsock2.h> | ||
22 | #endif]], [[ | ||
23 | WORD wVersionRequested = MAKEWORD(1, 1); | ||
24 | WSADATA wsaData; | ||
25 | int err = WSAStartup(wVersionRequested, &wsaData); | ||
26 | WSACleanup ();]])], | ||
27 | gl_cv_func_wsastartup=yes, gl_cv_func_wsastartup=no) | ||
28 | LIBS="$gl_save_LIBS" | ||
29 | ]) | ||
30 | if test "$gl_cv_func_wsastartup" = "yes"; then | ||
31 | AC_DEFINE([WINDOWS_SOCKETS], [1], [Define if WSAStartup is needed.]) | ||
32 | LIBSOCKET='-lws2_32' | ||
33 | fi | ||
34 | else | ||
35 | dnl Unix API. | ||
36 | dnl Solaris has most socket functions in libsocket. | ||
37 | dnl Haiku has most socket functions in libnetwork. | ||
38 | dnl BeOS has most socket functions in libnet. | ||
39 | AC_CACHE_CHECK([for library containing setsockopt], [gl_cv_lib_socket], [ | ||
40 | gl_cv_lib_socket= | ||
41 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern | ||
42 | #ifdef __cplusplus | ||
43 | "C" | ||
44 | #endif | ||
45 | char setsockopt();]], [[setsockopt();]])], | ||
46 | [], | ||
47 | [gl_save_LIBS="$LIBS" | ||
48 | LIBS="$gl_save_LIBS -lsocket" | ||
49 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern | ||
50 | #ifdef __cplusplus | ||
51 | "C" | ||
52 | #endif | ||
53 | char setsockopt();]], [[setsockopt();]])], | ||
54 | [gl_cv_lib_socket="-lsocket"]) | ||
55 | if test -z "$gl_cv_lib_socket"; then | ||
56 | LIBS="$gl_save_LIBS -lnetwork" | ||
57 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern | ||
58 | #ifdef __cplusplus | ||
59 | "C" | ||
60 | #endif | ||
61 | char setsockopt();]], [[setsockopt();]])], | ||
62 | [gl_cv_lib_socket="-lnetwork"]) | ||
63 | if test -z "$gl_cv_lib_socket"; then | ||
64 | LIBS="$gl_save_LIBS -lnet" | ||
65 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern | ||
66 | #ifdef __cplusplus | ||
67 | "C" | ||
68 | #endif | ||
69 | char setsockopt();]], [[setsockopt();]])], | ||
70 | [gl_cv_lib_socket="-lnet"]) | ||
71 | fi | ||
72 | fi | ||
73 | LIBS="$gl_save_LIBS" | ||
74 | ]) | ||
75 | if test -z "$gl_cv_lib_socket"; then | ||
76 | gl_cv_lib_socket="none needed" | ||
77 | fi | ||
78 | ]) | ||
79 | if test "$gl_cv_lib_socket" != "none needed"; then | ||
80 | LIBSOCKET="$gl_cv_lib_socket" | ||
81 | fi | ||
82 | fi | ||
83 | AC_SUBST([LIBSOCKET]) | ||
84 | gl_PREREQ_SOCKETS | ||
85 | ]) | ||
86 | |||
87 | # Prerequisites of lib/sockets.c. | ||
88 | AC_DEFUN([gl_PREREQ_SOCKETS], [ | ||
89 | : | ||
90 | ]) | ||