diff --git a/Makefile b/Makefile
index c01a84b7..7c75a32a 100644
--- a/Makefile
+++ b/Makefile
@@ -34,11 +34,11 @@ installhdrs::
 	mkdir -p $(DSTROOT)/$(INSTALL_PREFIX)/usr/clang-ide/lib/c++/v1/ext
 	mkdir -p $(DSTROOT)/$(INSTALL_PREFIX)/Developer/usr/lib/c++/v1/ext
 	mkdir -p $(DSTROOT)/$(INSTALL_PREFIX)/Developer/Platforms/iPhoneOS.platform/usr/lib/c++/v1/ext
-	rsync -r --exclude=".*" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1/
-	rsync -r --exclude=".*" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/usr/lib/c++/v1/
-	rsync -r --exclude=".*" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/usr/clang-ide/lib/c++/v1/
-	rsync -r --exclude=".*" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/Developer/usr/lib/c++/v1/
-	rsync -r --exclude=".*" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/Developer/Platforms/iPhoneOS.platform/usr/lib/c++/v1/
+	rsync -r --exclude=".*" --exclude="support" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1/
+	rsync -r --exclude=".*" --exclude="support" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/usr/lib/c++/v1/
+	rsync -r --exclude=".*" --exclude="support" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/usr/clang-ide/lib/c++/v1/
+	rsync -r --exclude=".*" --exclude="support" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/Developer/usr/lib/c++/v1/
+	rsync -r --exclude=".*" --exclude="support" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/Developer/Platforms/iPhoneOS.platform/usr/lib/c++/v1/
 	chown -R root:wheel $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++
 	chown -R root:wheel $(DSTROOT)/$(INSTALL_PREFIX)/usr/lib/c++
 	chown -R root:wheel $(DSTROOT)/$(INSTALL_PREFIX)/usr/clang-ide/lib/c++