From f51ce6f5a518b1e534b73107e23838d9c43eb512 Mon Sep 17 00:00:00 2001
From: Christian Helmuth <christian.helmuth@genode-labs.com>
Date: Thu, 29 Nov 2012 16:28:09 +0100
Subject: [PATCH] prepare: Serialize preparation in Makefile

Any recursively invoked `make' command will still be run in parallel
(unless its makefile contains .NOTPARALLEL).

Related to #535.
---
 libports/Makefile | 2 ++
 ports/Makefile    | 1 +
 2 files changed, 3 insertions(+)

diff --git a/libports/Makefile b/libports/Makefile
index fce83778da..cc5aa7f504 100644
--- a/libports/Makefile
+++ b/libports/Makefile
@@ -74,3 +74,5 @@ clean: $(addprefix clean-,$(PKG))
 
 cleanall: clean
 	$(VERBOSE)rm -rf $(DOWNLOAD_DIR)
+
+.NOTPARALLEL:
diff --git a/ports/Makefile b/ports/Makefile
index ae09696f7c..12262963bb 100644
--- a/ports/Makefile
+++ b/ports/Makefile
@@ -79,3 +79,4 @@ clean::
 cleanall: clean
 	$(VERBOSE)rm -rf $(DOWNLOAD_DIR)
 
+.NOTPARALLEL: