-YAZ_VERSION_HEX=`echo $PACKAGE_VERSION | awk 'BEGIN { FS = "."; } { printf "%x", ($1 * 256 + $2) * 256 + $3;}'`
-AC_SUBST([YAZ_VERSION_HEX])
+VERSION_HEX=`echo $PACKAGE_VERSION | $AWK 'BEGIN { FS = "."; } { printf("%x", ($1 * 256 + $2) * 256 + $3);}'`
+AC_SUBST([VERSION_HEX])
+if test -d ${srcdir}/.git; then
+ VERSION_SHA1=`git show --pretty=format:%H|head -1`
+else
+ VERSION_SHA1=`head -1 ${srcdir}/ChangeLog|awk '{print $2}'`
+fi
+AC_SUBST([VERSION_SHA1])