mirror of https://github.com/getdnsapi/getdns.git
82 lines
1.7 KiB
Plaintext
82 lines
1.7 KiB
Plaintext
# Taken from acx_nlnetlabs.m4 - common macros for configure checks
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# Copyright 2009, Wouter Wijngaards, NLnet Labs.
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# BSD licensed.
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#
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dnl Check getaddrinfo.
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dnl Works on linux, solaris, bsd and windows(links winsock).
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dnl defines HAVE_GETADDRINFO, USE_WINSOCK.
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AC_DEFUN([ACX_CHECK_GETADDRINFO_WITH_INCLUDES],
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[AC_REQUIRE([AC_PROG_CC])
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AC_MSG_CHECKING(for getaddrinfo)
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ac_cv_func_getaddrinfo=no
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AC_LINK_IFELSE(
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[AC_LANG_SOURCE([[
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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char* getaddrinfo();
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char* (*f) () = getaddrinfo;
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#ifdef __cplusplus
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}
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#endif
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int main() {
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;
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return 0;
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}
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]])],
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dnl this case on linux, solaris, bsd
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[ac_cv_func_getaddrinfo="yes"
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dnl see if on windows
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if test "$ac_cv_header_windows_h" = "yes"; then
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AC_DEFINE(USE_WINSOCK, 1, [Whether the windows socket API is used])
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USE_WINSOCK="1"
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LIBS="$LIBS -lws2_32 -lcrypt32"
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fi
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],
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dnl no quick getaddrinfo, try mingw32 and winsock2 library.
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ORIGLIBS="$LIBS"
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LIBS="$LIBS -lws2_32 -lcrypt32"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[
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#define _WIN32_WINNT 0x0501
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#ifdef HAVE_WINDOWS_H
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#include <windows.h>
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#endif
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#ifdef HAVE_WINSOCK_H
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#include <winsock.h>
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#endif
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#ifdef HAVE_WINSOCK2_H
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#include <winsock2.h>
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#endif
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#include <stdio.h>
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#ifdef HAVE_WS2TCPIP_H
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#include <ws2tcpip.h>
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#endif
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],
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[
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(void)getaddrinfo(NULL, NULL, NULL, NULL);
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]
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)],
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[
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ac_cv_func_getaddrinfo="yes"
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dnl already: LIBS="$LIBS -lws2_32 -lcrypt32"
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AC_DEFINE(USE_WINSOCK, 1, [Whether the windows socket API is used])
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USE_WINSOCK="1"
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],
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[
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ac_cv_func_getaddrinfo="no"
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LIBS="$ORIGLIBS"
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])
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)
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AC_MSG_RESULT($ac_cv_func_getaddrinfo)
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if test $ac_cv_func_getaddrinfo = yes; then
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AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether getaddrinfo is available])
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fi
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])dnl Endof AC_CHECK_GETADDRINFO_WITH_INCLUDES
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dnl End of file
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