--- configure.ac.orig	2012-11-19 11:05:29.000000000 +0100
+++ configure.ac	2012-11-21 14:22:53.723233779 +0100
@@ -16,6 +16,7 @@
 dnl Checks for programs.
 AC_PROG_CC
 AM_PROG_CC_C_O
+AM_PROG_AR
 AC_PROG_LD
 AC_PROG_INSTALL
 AC_PROG_AWK
@@ -30,11 +31,6 @@
 dnl AM_PROG_AR requires automake 1.11 (and uses AC_COMPILE_IFELSE which wants AC_USE_SYSTEM_EXTENSIONS)
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 
-dnl check environment
-AC_AIX
-AC_ISC_POSIX
-AC_MINIX
-
 dnl AC_CANONICAL_HOST
 case $host_os in
 	*darwin*|*cygwin*|*aix*|*mingw* ) NO_RDYNAMIC=yes;;