Individual autoconf function broken out of acincludes.m4. This change
per the recommended style guide for autoconf and so that individual
autoconf functions can more easily be shared across projects.
llvm-svn: 16223
diff --git a/llvm/autoconf/m4/config_makefile.m4 b/llvm/autoconf/m4/config_makefile.m4
new file mode 100644
index 0000000..e30f187
--- /dev/null
+++ b/llvm/autoconf/m4/config_makefile.m4
@@ -0,0 +1,7 @@
+#
+# 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($1,${SHELL} ${srcdir}/autoconf/install-sh -c ${srcdir}/$1 $1,${srcdir}/autoconf/mkinstalldirs `dirname $1`)
+])