diff options
| author | Reuben Thomas <rrt@sc3d.org> | 2009-08-06 23:34:02 +0100 |
|---|---|---|
| committer | Reuben Thomas <rrt@sc3d.org> | 2009-08-06 23:34:02 +0100 |
| commit | 8f1b73ba23887f39470693408590ce2ef4836099 (patch) | |
| tree | 12c2d986b6e4d1948ee39a2c3a82c83d922d34b8 /m4/ax_lib_socket_nsl.m4 | |
| parent | 0502033064924147297f5a91a182a50023ac1d9c (diff) | |
| download | autoconf-archive-8f1b73ba23887f39470693408590ce2ef4836099.tar.gz | |
Rename macros with no prefix to have an AX_ prefix.
Diffstat (limited to 'm4/ax_lib_socket_nsl.m4')
| -rw-r--r-- | m4/ax_lib_socket_nsl.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/m4/ax_lib_socket_nsl.m4 b/m4/ax_lib_socket_nsl.m4 new file mode 100644 index 0000000..6c60aeb --- /dev/null +++ b/m4/ax_lib_socket_nsl.m4 @@ -0,0 +1,36 @@ +# =========================================================================== +# http://www.nongnu.org/autoconf-archive/ax_lib_socket_nsl.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_LIB_SOCKET_NSL +# +# DESCRIPTION +# +# This macro figures out what libraries are required on this platform to +# link sockets programs. +# +# The common cases are not to need any extra libraries, or to need +# -lsocket and -lnsl. We need to avoid linking with libnsl unless we need +# it, though, since on some OSes where it isn't necessary it will totally +# break networking. Unisys also includes gethostbyname() in libsocket but +# needs libnsl for socket(). +# +# LICENSE +# +# Copyright (c) 2008 Russ Allbery <rra@stanford.edu> +# Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz> +# Copyright (c) 2008 Warren Young <warren@etr-usa.com> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. + +AC_DEFUN([AX_LIB_SOCKET_NSL], +[ + AC_SEARCH_LIBS([gethostbyname], [nsl]) + AC_SEARCH_LIBS([socket], [socket], [], [ + AC_CHECK_LIB([socket], [socket], [LIBS="-lsocket -lnsl $LIBS"], + [], [-lnsl])]) +]) |