+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+AC_PROG_LIBTOOL
+
+AC_HEADER_STDBOOL
+
+case "$target_cpu" in
+ i386 | i486 | i586 | i686 | i786)
+ AC_DEFINE([USE_REGPARMS], [],
+ [Define if the regparm attribute shall be used for local functions (gcc on ix86 only).])
+ ;;
+esac