Fix installheaders target to do what it did prior to r161760. rdar://12348765
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@164413 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index f8ea8bc..182dcc3 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,16 @@
clean::
+# The installheaders target is used by clang's runtime/libcxx makefile.
installheaders::
+ mkdir -p $(HEADER_DIR)/c++/v1/ext
+ rsync -r --exclude=".*" --exclude="support" $(SRCDIRS)/include/* \
+ $(HEADER_DIR)/c++/v1/
+ chown -R root:wheel $(HEADER_DIR)/c++
+ chmod 755 $(HEADER_DIR)/c++/v1
+ chmod 644 $(HEADER_DIR)/c++/v1/*
+ chmod 755 $(HEADER_DIR)/c++/v1/ext
+ chmod 644 $(HEADER_DIR)/c++/v1/ext/*
install::