49 lines
1.6 KiB
Text
49 lines
1.6 KiB
Text
# hostent.m4 serial 4
|
|
dnl Copyright (C) 2008, 2010-2023 Free Software Foundation, Inc.
|
|
dnl This file is free software; the Free Software Foundation
|
|
dnl gives unlimited permission to copy and/or distribute it,
|
|
dnl with or without modifications, as long as this notice is preserved.
|
|
|
|
AC_DEFUN([gl_HOSTENT],
|
|
[
|
|
dnl Where are gethostent(), sethostent(), endhostent(), gethostbyname(),
|
|
dnl gethostbyaddr() defined?
|
|
dnl - On Solaris < 11.4, they are in libnsl. Ignore libxnet.
|
|
dnl - On Haiku, they are in libnetwork.
|
|
dnl - On BeOS, they are in libnet.
|
|
dnl - On native Windows, they are in ws2_32.dll.
|
|
dnl - Otherwise they are in libc.
|
|
AC_REQUIRE([gl_SYS_SOCKET_H])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H
|
|
HOSTENT_LIB=
|
|
gl_saved_libs="$LIBS"
|
|
AC_SEARCH_LIBS([gethostbyname], [nsl network net],
|
|
[if test "$ac_cv_search_gethostbyname" != "none required"; then
|
|
HOSTENT_LIB="$ac_cv_search_gethostbyname"
|
|
fi])
|
|
LIBS="$gl_saved_libs"
|
|
if test -z "$HOSTENT_LIB"; then
|
|
AC_CHECK_FUNCS([gethostbyname], , [
|
|
AC_CACHE_CHECK([for gethostbyname in winsock2.h and -lws2_32],
|
|
[gl_cv_w32_gethostbyname],
|
|
[gl_cv_w32_gethostbyname=no
|
|
gl_save_LIBS="$LIBS"
|
|
LIBS="$LIBS -lws2_32"
|
|
AC_LINK_IFELSE(
|
|
[AC_LANG_PROGRAM(
|
|
[[
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#endif
|
|
#include <stddef.h>
|
|
]],
|
|
[[gethostbyname(NULL);]])],
|
|
[gl_cv_w32_gethostbyname=yes])
|
|
LIBS="$gl_save_LIBS"
|
|
])
|
|
if test "$gl_cv_w32_gethostbyname" = "yes"; then
|
|
HOSTENT_LIB="-lws2_32"
|
|
fi
|
|
])
|
|
fi
|
|
AC_SUBST([HOSTENT_LIB])
|
|
])
|