AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
+
AC_CANONICAL_HOST
AC_PROG_CC
-AC_CHECK_PROGS(AR, ar)
+AM_PROG_CC_C_O
+
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_LEX
AC_PROG_YACC
+AC_CHECK_PROGS(AR, ar)
+
dnl Look for an external 'cpp' program which can run on a file with any
dnl extension. The normal CPP can only run on files with a '.c'
dnl extension, therefore we prefer to use /usr/bin/cpp if it exists.