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diff --git a/m4/as-version.m4 b/m4/as-version.m4
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+dnl as-version.m4 0.2.0
+
+dnl autostars m4 macro for versioning
+
+dnl Thomas Vander Stichele <thomas at apestaart dot org>
+
+dnl $Id: as-version.m4,v 1.4 2004/06/01 09:40:05 thomasvs Exp $
+
+dnl AS_VERSION
+
+dnl example
+dnl AS_VERSION
+
+dnl this macro
+dnl - AC_SUBST's PACKAGE_VERSION_MAJOR, _MINOR, _MICRO
+dnl - AC_SUBST's PACKAGE_VERSION_RELEASE,
+dnl    which can be used for rpm release fields
+dnl - doesn't call AM_INIT_AUTOMAKE anymore because it prevents
+dnl   maintainer mode from running correctly
+dnl
+dnl don't forget to put #undef PACKAGE_VERSION_RELEASE in acconfig.h
+dnl if you use acconfig.h
+
+AC_DEFUN([AS_VERSION],
+[
+  PACKAGE_VERSION_MAJOR=$(echo AC_PACKAGE_VERSION | cut -d'.' -f1)
+  PACKAGE_VERSION_MINOR=$(echo AC_PACKAGE_VERSION | cut -d'.' -f2)
+  PACKAGE_VERSION_MICRO=$(echo AC_PACKAGE_VERSION | cut -d'.' -f3)
+
+  AC_SUBST(PACKAGE_VERSION_MAJOR)
+  AC_SUBST(PACKAGE_VERSION_MINOR)
+  AC_SUBST(PACKAGE_VERSION_MICRO)
+])
+
+dnl AS_NANO(ACTION-IF-NO-NANO, [ACTION-IF-NANO])
+
+dnl requires AC_INIT to be called before
+dnl For projects using a fourth or nano number in your versioning to indicate
+dnl development or prerelease snapshots, this macro allows the build to be
+dnl set up differently accordingly.
+
+dnl this macro:
+dnl - parses AC_PACKAGE_VERSION, set by AC_INIT, and extracts the nano number
+dnl - sets the variable PACKAGE_VERSION_NANO
+dnl - sets the variable PACKAGE_VERSION_RELEASE, which can be used
+dnl   for rpm release fields
+dnl - executes ACTION-IF-NO-NANO or ACTION-IF-NANO
+    
+dnl example:
+dnl AS_NANO(RELEASE="yes", RELEASE="no")
+
+AC_DEFUN([AS_NANO],
+[
+  AC_MSG_CHECKING(nano version)
+
+  NANO=$(echo AC_PACKAGE_VERSION | cut -d'.' -f4)
+
+  if test x"$NANO" = x || test "x$NANO" = "x0" ; then
+    AC_MSG_RESULT([0 (release)])
+    NANO=0
+    PACKAGE_VERSION_RELEASE=1
+    ifelse([$1], , :, [$1])
+  else
+    AC_MSG_RESULT($NANO)
+    PACKAGE_VERSION_RELEASE=0.`date +%Y%m%d.%H%M%S`
+    ifelse([$2], , :, [$2])
+  fi
+  PACKAGE_VERSION_NANO=$NANO
+  AC_SUBST(PACKAGE_VERSION_NANO)
+  AC_SUBST(PACKAGE_VERSION_RELEASE)
+])