Commit | Line | Data |
---|---|---|
9157d901 | 1 | # hostent.m4 serial 2 |
5e69ceb7 | 2 | dnl Copyright (C) 2008, 2010-2014 Free Software Foundation, Inc. |
61cd9dc9 LC |
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_HOSTENT], | |
8 | [ | |
9 | dnl Where are gethostent(), sethostent(), endhostent(), gethostbyname(), | |
10 | dnl gethostbyaddr() defined? | |
11 | dnl - On Solaris, they are in libnsl. Ignore libxnet. | |
12 | dnl - On Haiku, they are in libnetwork. | |
13 | dnl - On BeOS, they are in libnet. | |
14 | dnl - On native Windows, they are in ws2_32.dll. | |
15 | dnl - Otherwise they are in libc. | |
16 | AC_REQUIRE([gl_HEADER_SYS_SOCKET])dnl for HAVE_SYS_SOCKET_H, HAVE_WINSOCK2_H | |
17 | HOSTENT_LIB= | |
18 | gl_saved_libs="$LIBS" | |
19 | AC_SEARCH_LIBS([gethostbyname], [nsl network net], | |
20 | [if test "$ac_cv_search_gethostbyname" != "none required"; then | |
21 | HOSTENT_LIB="$ac_cv_search_gethostbyname" | |
22 | fi]) | |
23 | LIBS="$gl_saved_libs" | |
24 | if test -z "$HOSTENT_LIB"; then | |
25 | AC_CHECK_FUNCS([gethostbyname], , [ | |
26 | AC_CACHE_CHECK([for gethostbyname in winsock2.h and -lws2_32], | |
27 | [gl_cv_w32_gethostbyname], | |
28 | [gl_cv_w32_gethostbyname=no | |
29 | gl_save_LIBS="$LIBS" | |
30 | LIBS="$LIBS -lws2_32" | |
9157d901 LC |
31 | AC_LINK_IFELSE( |
32 | [AC_LANG_PROGRAM( | |
33 | [[ | |
61cd9dc9 LC |
34 | #ifdef HAVE_WINSOCK2_H |
35 | #include <winsock2.h> | |
36 | #endif | |
37 | #include <stddef.h> | |
9157d901 LC |
38 | ]], |
39 | [[gethostbyname(NULL);]])], | |
40 | [gl_cv_w32_gethostbyname=yes]) | |
61cd9dc9 LC |
41 | LIBS="$gl_save_LIBS" |
42 | ]) | |
43 | if test "$gl_cv_w32_gethostbyname" = "yes"; then | |
44 | HOSTENT_LIB="-lws2_32" | |
45 | fi | |
46 | ]) | |
47 | fi | |
48 | AC_SUBST([HOSTENT_LIB]) | |
49 | ]) |