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# $Id: netlibs.m4,v 1.1 2004/10/24 20:48:37 jonz Exp $
# m4/netlibs.m4
# Andrew W. Nosenko <awn@bcs.zp.ua>
#
# DS_NETLIBS([libs_out], [action-if-found], [action-if-not-found])
#
# Search for additional libraries containing inet_ntoa() and socket().
#
# Typically, these are -lnsl and -lsocket for Solaris and none for
# Linux.
#
AC_DEFUN([DS_NETLIBS],
[
AS_VAR_PUSHDEF([save_LIBS], [ds_netlibs_save_LIBS])
AS_VAR_PUSHDEF([netlibs], [ds_netlibs_netlibs])
AS_VAR_PUSHDEF([success], [ds_netlibs_success])
save_LIBS="$LIBS"
LIBS=''
success=yes
AC_SEARCH_LIBS([inet_ntoa], [nsl], [success=yes], [success=no])
if test x"$success" = xyes
then
AC_SEARCH_LIBS([socket], [socket], [success=yes], [success=no])
fi
netlibs="$LIBS"
LIBS="$save_LIBS"
AS_VAR_POPDEF([save_LIBS])
AS_VAR_POPDEF([netlibs])
AS_VAR_POPDEF([success])
if test x"$ds_netlibs_success" = xyes
then
ifelse([$1], [], [:], [$1="$ds_netlibs_netlibs"])
ifelse([$2], [], [:], [$2])
else
ifelse([$3], [], [:], [$3])
fi
])
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