1 files changed, 15 insertions, 6 deletions

diff --git a/configure.ac b/configure.ac
index 38173aa..329e771 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,14 +19,14 @@
 #
 # Process this file with autoconf to produce a configure script.
 #
-AC_PREREQ(2.61)
+AC_PREREQ([2.71])
 AC_INIT([gnunet-ext],[0.0.0],[bug-gnunet@gnu.org])
 AM_INIT_AUTOMAKE([tar-ustar])
 AM_CONFIG_HEADER(gnunet_ext_config.h)
 
 AH_TOP([#define _GNU_SOURCE  1])
 
-AC_ISC_POSIX
+AC_SEARCH_LIBS([strerror],[cposix])
 AC_PROG_AWK
 AC_PROG_CC
 AC_PROG_MKDIR_P
@@ -34,15 +34,23 @@ AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
-AC_LIBTOOL_WIN32_DLL
+
 AC_PROG_CC
 AM_PROG_CC_STDC
-AC_HEADER_STDC
+m4_warn([obsolete],
+[The preprocessor macro `STDC_HEADERS' is obsolete.
+  Except in unusual embedded environments, you can safely include all
+  ISO C90 headers unconditionally.])dnl
+# Autoupdate added the next two lines to ensure that your configure
+# script's behavior did not change.  They are probably safe to remove.
+AC_CHECK_INCLUDES_DEFAULT
+AC_PROG_EGREP
+
 AC_CANONICAL_HOST
 
 # dynamic libraries/plugins
 AC_DISABLE_STATIC
-AC_PROG_LIBTOOL
+LT_INIT([disable-static dlopen])
 
 AC_SYS_LARGEFILE
 AC_FUNC_FSEEKO
@@ -199,10 +207,11 @@ AC_DEFINE_DIR([PACKAGE_DATA], [datarootdir], [The directory for installing read-
 packagesrcdir=`cd $srcdir && pwd`
 AC_DEFINE_UNQUOTED(PACKAGE_SOURCE_DIR, "${packagesrcdir}", [source dir])
 
-AC_OUTPUT([ po/Makefile.in
+AC_CONFIG_FILES([ po/Makefile.in
 Makefile
 src/Makefile
 src/include/Makefile
 src/ext/Makefile
 src/ext/ext.conf
 ])
+AC_OUTPUT