autoconf/m4/config_makefile.m4 - llvm - Git at Google

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