Support 'make install' for LLVM include files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10378 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index 3c78ec3..c070edd 100644
--- a/Makefile
+++ b/Makefile
@@ -34,3 +34,13 @@
 include/Config/config.h.in: autoconf/configure.ac autoconf/aclocal.m4
 	$(AUTOHEADER) -I autoconf autoconf/configure.ac
 
+# Install support for llvm include files.
+
+.PHONY: install-includes
+
+install-includes:
+	$(MKDIR) $(includedir)/llvm
+	cd include && find * '!' '(' -name '*~' -o -name .cvsignore ')' -print | grep -v CVS | pax -rwdvpe $(includedir)/llvm
+
+install:: install-includes
+