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89 lines
2.5 KiB
Plaintext
89 lines
2.5 KiB
Plaintext
# sockets.m4 serial 4
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dnl Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_SOCKETS],
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[
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gl_PREREQ_SYS_H_WINSOCK2 dnl for HAVE_WINSOCK2_H
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LIBSOCKET=
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if test $HAVE_WINSOCK2_H = 1; then
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dnl Native Windows API (not Cygwin).
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AC_CACHE_CHECK([if we need to call WSAStartup in winsock2.h and -lws2_32],
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[gl_cv_func_wsastartup], [
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gl_save_LIBS="$LIBS"
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LIBS="$LIBS -lws2_32"
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AC_TRY_LINK([
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#ifdef HAVE_WINSOCK2_H
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# include <winsock2.h>
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#endif], [
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WORD wVersionRequested = MAKEWORD(1, 1);
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WSADATA wsaData;
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int err = WSAStartup(wVersionRequested, &wsaData);
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WSACleanup ();],
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gl_cv_func_wsastartup=yes, gl_cv_func_wsastartup=no)
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LIBS="$gl_save_LIBS"
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])
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if test "$gl_cv_func_wsastartup" = "yes"; then
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AC_DEFINE([WINDOWS_SOCKETS], [1], [Define if WSAStartup is needed.])
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LIBSOCKET='-lws2_32'
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fi
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else
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dnl Unix API.
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dnl Solaris has most socket functions in libsocket.
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dnl Haiku has most socket functions in libnetwork.
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dnl BeOS has most socket functions in libnet.
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AC_CACHE_CHECK([for library containing setsockopt], [gl_cv_lib_socket], [
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gl_cv_lib_socket=
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AC_TRY_LINK([extern
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#ifdef __cplusplus
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"C"
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#endif
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char setsockopt();], [setsockopt();],
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[],
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[gl_save_LIBS="$LIBS"
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LIBS="$gl_save_LIBS -lsocket"
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AC_TRY_LINK([extern
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#ifdef __cplusplus
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"C"
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#endif
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char setsockopt();], [setsockopt();],
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[gl_cv_lib_socket="-lsocket"])
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if test -z "$gl_cv_lib_socket"; then
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LIBS="$gl_save_LIBS -lnetwork"
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AC_TRY_LINK([extern
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#ifdef __cplusplus
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"C"
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#endif
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char setsockopt();], [setsockopt();],
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[gl_cv_lib_socket="-lnetwork"])
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if test -z "$gl_cv_lib_socket"; then
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LIBS="$gl_save_LIBS -lnet"
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AC_TRY_LINK([extern
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#ifdef __cplusplus
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"C"
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#endif
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char setsockopt();], [setsockopt();],
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[gl_cv_lib_socket="-lnet"])
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fi
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fi
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LIBS="$gl_save_LIBS"
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])
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if test -z "$gl_cv_lib_socket"; then
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gl_cv_lib_socket="none needed"
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fi
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])
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if test "$gl_cv_lib_socket" != "none needed"; then
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LIBSOCKET="$gl_cv_lib_socket"
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fi
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fi
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AC_SUBST([LIBSOCKET])
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gl_PREREQ_SOCKETS
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])
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# Prerequisites of lib/sockets.c.
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AC_DEFUN([gl_PREREQ_SOCKETS], [
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:
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])
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