1# 2# Configure a Makefile without clobbering it if it exists and is not out of 3# date. This macro is unique to LLVM. 4# 5AC_DEFUN([AC_CONFIG_MAKEFILE], 6[AC_CONFIG_COMMANDS($1, 7 [${llvm_src}/autoconf/mkinstalldirs `dirname $1` 8 ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/$1 $1]) 9]) 10