From e601d283b9edafc6ded6589947f1f2de9ede0248 Mon Sep 17 00:00:00 2001
From: Raimo Niskanen <raimo@erlang.org>
Date: Wed, 11 Jan 2012 10:15:59 +0100
Subject: erts,tools: Fix parallel make for erts/lib_src

Use a make timestamp file to condense dependencies to some
part(s) of erts/lib_src build results.
---
 lib/tools/c_src/Makefile.in | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

(limited to 'lib/tools/c_src')

diff --git a/lib/tools/c_src/Makefile.in b/lib/tools/c_src/Makefile.in
index 604332a91e..b8c4aed6e2 100644
--- a/lib/tools/c_src/Makefile.in
+++ b/lib/tools/c_src/Makefile.in
@@ -1,19 +1,20 @@
-# ``The contents of this file are subject to the Erlang Public License,
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2009-2012. All Rights Reserved.
+#
+# The contents of this file are subject to the Erlang Public License,
 # Version 1.1, (the "License"); you may not use this file except in
 # compliance with the License. You should have received a copy of the
 # Erlang Public License along with this software. If not, it can be
-# retrieved via the world wide web at http://www.erlang.org/.
-# 
+# retrieved online at http://www.erlang.org/.
+#
 # Software distributed under the License is distributed on an "AS IS"
 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 # the License for the specific language governing rights and limitations
 # under the License.
-# 
-# The Initial Developer of the Original Code is Ericsson Utvecklings AB.
-# Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
-# AB. All Rights Reserved.''
-# 
-#     $Id$
+#
+# %CopyrightEnd%
 #
 
 include $(ERL_TOP)/make/target.mk
@@ -138,15 +139,17 @@ EMEM_LIBS =	$(LIBS) \
 
 EMEM_OBJS = $(addprefix $(EMEM_OBJ_DIR)/,$(notdir $(EMEM_SRCS:.c=.o)))
 
+ERTS_LIB = $(ERL_TOP/erts/lib_src/obj/$(TARGET)/$(TYPE)/MADE
+
 #
 # Misc targets
 #
 
 _create_dirs := $(shell mkdir -p $(CREATE_DIRS))
 
-all: erts_lib $(PROGS) $(DRIVERS)
+all: $(PROGS) $(DRIVERS)
 
-erts_lib:
+$(ERTS_LIB):
 	cd $(ERL_TOP)/erts/lib_src && $(MAKE) $(TYPE)
 
 
@@ -174,7 +177,7 @@ $(EMEM_OBJ_DIR)/%.o: %.c
 # Program targets
 #
 
-$(BIN_DIR)/emem$(TYPEMARKER)@EXEEXT@: $(EMEM_OBJS)
+$(BIN_DIR)/emem$(TYPEMARKER)@EXEEXT@: $(EMEM_OBJS) $(ERTS_LIB)
 	$(PRE_LD) $(LD) $(EMEM_LDFLAGS) -o $@ $(EMEM_OBJS) $(EMEM_LIBS)
 
 #
-- 
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