2 # Configure a Makefile without clobbering it if it exists and is not out of
3 # date. This macro is unique to LLVM.
5 AC_DEFUN([AC_CONFIG_MAKEFILE],
6 [AC_CONFIG_COMMANDS($1,
7 [${llvm_src}/autoconf/mkinstalldirs `dirname $1`
8 ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/$1 $1])