X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=configure.ac;h=f9115fd652962881c1e7548c3cbac55e724305df;hp=360d76c6e2bf64365a50afedc2645d3844ed46b5;hb=8eaa28075189eea5db470422e8b4110df723cce3;hpb=b3743e87ca24d2fbdd857af5653cafa0645c6b45

diff --git a/configure.ac b/configure.ac
index 360d76c6..f9115fd6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,7 @@ AC_DEFUN([LIB_SUBST_FLAGS], [
 	AC_SUBST($1_ldflags)
 ])
 
+AC_USE_SYSTEM_EXTENSIONS
 AC_C_BIGENDIAN()
 
 AC_PATH_PROG([GENGETOPT], [gengetopt])
@@ -158,12 +159,6 @@ case "$enable_cryptolib" in
 	;;
 esac
 AC_SUBST(crypto_ldflags)
-########################################################################### libsocket
-AC_CHECK_LIB([c], [socket],
-	[socket_ldlflags=],
-	[socket_ldflags="-lsocket"]
-)
-AC_SUBST(socket_ldflags)
 ########################################################################## iconv
 STASH_FLAGS
 LIBS=
@@ -188,16 +183,9 @@ AC_COMPILE_IFELSE([
 AC_DEFINE_UNQUOTED(ICONV_CAST, $cast, [cast for second arg to iconv()])
 AC_MSG_RESULT($msg)
 UNSTASH_FLAGS
-########################################################################### libnsl
-AC_CHECK_LIB([c], [gethostbyname],
-	[nsl_ldflags=],
-	[nsl_ldflags="-lnsl"]
-)
-AC_SUBST(nsl_ldflags)
 ########################################################################### ucred
 AC_MSG_CHECKING(for struct ucred)
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
-	#define _GNU_SOURCE
 	#include <sys/types.h>
 	#include <sys/socket.h>
 ]], [[