Merge branch 'raimo/parallel-make/OTP-9857' into maint

* raimo/parallel-make/OTP-9857:
  hipe: Fix rtl dependencies
  erts: Simplify toplevel makefile due to better dependencies
  erts: Fix make omissions for void emulators
  erts: Fix dependencies between targets generate and depend
  erts: Cleanup dependencies for target generate
  erts,tools: Fix parallel make for erts/lib_src
  erts: Fix parallel make for emulator zlib

Conflicts:
	erts/emulator/Makefile.in

10 files changed, 320 insertions, 331 deletions

diff --git a/erts/Makefile.in b/erts/Makefile.in
index 6e259c1772..2b4f562c06 100644
--- a/erts/Makefile.in
+++ b/erts/Makefile.in
@@ -1,7 +1,7 @@
 # 
 # %CopyrightBegin%
 #
-# Copyright Ericsson AB 2006-2011. All Rights Reserved.
+# Copyright Ericsson AB 2006-2012. 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
@@ -25,7 +25,7 @@ include vsn.mk
 # ----------------------------------------------------------------------
 
 # Other erts dirs than the emulator dir...
-ERTSDIRS = doc/src etc epmd lib_src
+ERTSDIRS = etc epmd lib_src
 XINSTDIRS = preloaded
 ifeq ($(NO_START_SCRIPTS),)
 ERTSDIRS += start_scripts
@@ -40,42 +40,36 @@ ifeq ($(BUILD_HYBRID_EMU),yes)
 EXTRA_FLAVORS += hybrid
 endif
 
-#
-# Some byggy 'make's get confused when a directory is created and used
-# for storing files which other files depend on during the same "make
-# session". As a workaround we do a 'make generate' (which creates
-# all directories) before doing 'make opt', etc...
-#
-
+.PHONY: all
 ifneq ($(BUILD_HYBRID_EMU),yes)
 all: smp opt
 else
 all: hybrid smp opt
 endif
 
-debug opt docs clean:
-	@ case $@ in \
-	    docs|clean) ;; \
-	    *) ( cd emulator && $(MAKE) generate TYPE=$@ FLAVOR=$(FLAVOR)) ;; \
-	  esac
-	@ ( cd emulator && $(MAKE) $@ FLAVOR=$(FLAVOR))
-	@for d in $(ERTSDIRS); do \
+.PHONY: docs
+docs:
+	( cd doc/src && $(MAKE) $@ )
+
+.PHONY: debug opt clean
+debug opt clean:
+	for d in emulator $(ERTSDIRS); do \
 		if test -d $$d; then \
-			( cd $$d && $(MAKE) $@ ) || exit $$? ; \
+			( cd $$d && $(MAKE) $@ FLAVOR=$(FLAVOR) ) || exit $$? ; \
 		fi ; \
-	 done
+	done
 
 # ----------------------------------------------------------------------
 # These are "convenience targets", provided as shortcuts for developers
 # - don't use them in scripts or assume they will always stay like this!
 #
 
+.PHONY: $(EXTRA_FLAVORS)
 $(EXTRA_FLAVORS):
-	@ ( cd emulator \
-	    && $(MAKE) generate TYPE=opt FLAVOR=$@ \
-	    && $(MAKE) opt FLAVOR=$@ )
+	( cd emulator && $(MAKE) opt FLAVOR=$@ )
 
 ifneq ($(BUILD_HYBRID_EMU),yes)
+.PHONY: hybrid
 hybrid:
 	@echo '*** Omitted build of hybrid heap emulator'
 	@echo '*** since target is $(TARGET)'
@@ -88,6 +82,7 @@ endif
 
 # The copying of beam.dll should be removed when the beam dll need no longer be
 # in the same directory...
+.PHONY: local_setup
 local_setup:
 	@cd start_scripts && $(MAKE)
 	@echo `ls $(ERL_TOP)/bin/`
@@ -134,11 +129,13 @@ local_setup:
 		$(ERL_TOP)/bin/start_clean.script
 
 # Run the configure script
+.PHONY: configure
 configure:
 	@set -e ; cd autoconf && $(MAKE)
 
 # Remake the makefiles, if you already have configured but you have edited
 # a "Makefile.in".
+.PHONY: makefiles
 makefiles:
 	@set -e ; cd autoconf && $(MAKE) $@
 
@@ -146,21 +143,17 @@ makefiles:
 # Release targets
 #
 
-release release_docs:
-ifeq ($(BUILD_HYBRID_EMU),yes)
-	@if test $@ = release; then ( cd emulator && $(MAKE) $@ FLAVOR=hybrid) fi
-else
-	@if test $@ = release; then ( $(MAKE) hybrid ) fi
-endif
-	@if test $@ = release; then ( cd emulator && $(MAKE) $@ FLAVOR=smp) fi
-	@ (cd emulator && $(MAKE) $@ FLAVOR=plain)
-	@for d in $(ERTSDIRS) $(XINSTDIRS); do \
+.PHONY: release
+release:
+	for f in plain $(EXTRA_FLAVORS) ; do \
+		( cd emulator && $(MAKE) release FLAVOR=$$f ) \
+	done
+	for d in $(ERTSDIRS) $(XINSTDIRS); do \
 		if test -d $$d; then \
 			( cd $$d && $(MAKE) $@ ) || exit $$? ; \
 		fi ; \
 	 done
 
-# ----------------------------------------------------------------------
-
-.PHONY: debug opt docs clean local_setup configure release \
-	release_docs run_test_cases hybrid smp
+.PHONY: release_docs
+release_docs:
+	( cd emulator && $(MAKE) $@ )
diff --git a/erts/configure.in b/erts/configure.in
index 50f8908f7a..b801994e14 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script. -*-m4-*-
 
 dnl %CopyrightBegin%
 dnl
-dnl Copyright Ericsson AB 1997-2011. All Rights Reserved.
+dnl Copyright Ericsson AB 1997-2012. All Rights Reserved.
 dnl
 dnl The contents of this file are subject to the Erlang Public License,
 dnl Version 1.1, (the "License"); you may not use this file except in
@@ -4373,7 +4373,6 @@ dnl  Note that the output files are relative to $srcdir
 
 AC_OUTPUT(
   emulator/$host/Makefile:emulator/Makefile.in
-  emulator/zlib/$host/Makefile:emulator/zlib/Makefile.in
   epmd/src/$host/Makefile:epmd/src/Makefile.in
   etc/common/$host/Makefile:etc/common/Makefile.in
   include/internal/$host/ethread.mk:include/internal/ethread.mk.in
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index 45cf540994..2bd7297231 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 #
-# Copyright Ericsson AB 1996-2011. All Rights Reserved.
+# Copyright Ericsson AB 1996-2012. 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
@@ -28,21 +28,26 @@ Z_LIB=@Z_LIB@
 NO_INLINE_FUNCTIONS=false
 OPCODE_TABLES = $(ERL_TOP)/lib/compiler/src/genop.tab beam/ops.tab
 
+DEBUG_CFLAGS = @DEBUG_CFLAGS@
+CONFIGURE_CFLAGS = @CFLAGS@
+
 #
 # Run this make file with TYPE set to the type of emulator you want.
 # Different versions of the emulator for different uses. The default
 # is "debug". For a normal version use "opt".
 #
+DEFS=@DEFS@
 THR_DEFS=@EMU_THR_DEFS@
 M4FLAGS=
 CREATE_DIRS=
 
 LDFLAGS=@LDFLAGS@
+ARFLAGS=rc
 
 ifeq ($(TYPE),debug)
 PURIFY =
 TYPEMARKER = .debug
-TYPE_FLAGS = @DEBUG_CFLAGS@ -DDEBUG
+TYPE_FLAGS = $(DEBUG_CFLAGS) -DDEBUG
 ENABLE_ALLOC_TYPE_VARS += debug
 ifeq ($(TARGET),win32)
 TYPE_FLAGS += -DNO_JUMP_TABLE
@@ -53,7 +58,7 @@ else
 ifeq ($(TYPE),purify)
 PURIFY = purify $(PURIFY_BUILD_OPTIONS)
 TYPEMARKER = .purify
-TYPE_FLAGS = @DEBUG_CFLAGS@ -DPURIFY -DNO_JUMP_TABLE -DERTS_MSEG_FAKE_SEGMENTS
+TYPE_FLAGS = $(DEBUG_CFLAGS) -DPURIFY -DNO_JUMP_TABLE -DERTS_MSEG_FAKE_SEGMENTS
 ENABLE_ALLOC_TYPE_VARS += purify
 else
 
@@ -67,14 +72,14 @@ else
 ifeq ($(TYPE),purecov)
 PURIFY = purecov --follow-child-processes=yes $(PURECOV_BUILD_OPTIONS)
 TYPEMARKER = .purecov
-TYPE_FLAGS = @DEBUG_CFLAGS@ -DPURECOV -DNO_JUMP_TABLE
+TYPE_FLAGS = $(DEBUG_CFLAGS) -DPURECOV -DNO_JUMP_TABLE
 ENABLE_ALLOC_TYPE_VARS += purecov
 else
 
 ifeq ($(TYPE),gcov)
 PURIFY = 
 TYPEMARKER = .gcov
-TYPE_FLAGS = @DEBUG_CFLAGS@ -DERTS_GCOV -DNO_JUMP_TABLE -fprofile-arcs -ftest-coverage -O0 -DERTS_CAN_INLINE=0 -DERTS_INLINE=
+TYPE_FLAGS = $(DEBUG_CFLAGS) -DERTS_GCOV -DNO_JUMP_TABLE -fprofile-arcs -ftest-coverage -O0 -DERTS_CAN_INLINE=0 -DERTS_INLINE=
 ifneq ($(findstring solaris,$(TARGET)),solaris)
 LIBS += -lgcov
 endif
@@ -84,7 +89,7 @@ else
 ifeq ($(TYPE),valgrind)
 PURIFY = 
 TYPEMARKER = .valgrind
-TYPE_FLAGS = @DEBUG_CFLAGS@ -DVALGRIND -DNO_JUMP_TABLE -DERTS_MSEG_FAKE_SEGMENTS
+TYPE_FLAGS = $(DEBUG_CFLAGS) -DVALGRIND -DNO_JUMP_TABLE -DERTS_MSEG_FAKE_SEGMENTS
 ENABLE_ALLOC_TYPE_VARS += valgrind
 else
 
@@ -147,6 +152,15 @@ endif
 
 TF_MARKER=$(TYPEMARKER)$(FLAVOR_MARKER)
 
+ifeq ($(FLAVOR)-@ERTS_BUILD_SMP_EMU@,smp-no)
+VOID_EMULATOR = '*** SMP emulator disabled by configure'
+else
+ifeq ($(TYPE)-@HAVE_VALGRIND@,valgrind-no)
+VOID_EMULATOR = '*** valgrind emulator disabled by configure'
+else
+VOID_EMULATOR =
+endif
+endif
 
 OPSYS=@OPSYS@
 sol2CFLAGS=
@@ -187,7 +201,7 @@ else
 EMU_CC  = @EMU_CC@
 endif
 WFLAGS  = @WFLAGS@
-CFLAGS  = @STATIC_CFLAGS@ $(TYPE_FLAGS) $(FLAVOR_FLAGS) @DEFS@ $(WFLAGS) $(THR_DEFS) $(ARCHCFLAGS)
+CFLAGS  = @STATIC_CFLAGS@ $(TYPE_FLAGS) $(FLAVOR_FLAGS) $(DEFS) $(WFLAGS) $(THR_DEFS) $(ARCHCFLAGS)
 HCC     = @HCC@
 LD      = @LD@
 DEXPORT = @DEXPORT@
@@ -263,30 +277,29 @@ CS_PURIFY =
 CS_TYPE_FLAGS = $(subst QUANTIFY,FAKE_QUANTIFY, \
 		$(subst PURIFY,FAKE_PURIFY, $(TYPE_FLAGS)))
 endif
-CS_CFLAGS_ = $(CS_TYPE_FLAGS) @DEFS@ $(WFLAGS) 
+CS_CFLAGS_ = $(CS_TYPE_FLAGS) $(DEFS) $(WFLAGS)
 ifeq ($(GCC),yes)
 CS_CFLAGS = $(subst -O2, $(GEN_OPT_FLGS) $(UNROLL_FLG), $(CS_CFLAGS_))
 else
 CS_CFLAGS = $(CS_CFLAGS_)
 endif
 CS_LDFLAGS = $(LDFLAGS)
-CS_LIBS = -L../lib/internal/$(TARGET) -lerts_internal @ERTS_INTERNAL_X_LIBS@
+CS_LIBS = -L../lib/internal/$(TARGET) -lerts_internal$(TYPEMARKER) @ERTS_INTERNAL_X_LIBS@
 
 LIBS	+= @TERMCAP_LIB@ -L../lib/internal/$(TARGET) @ERTS_INTERNAL_X_LIBS@
 
 ifdef Z_LIB
 # Use shared zlib library
 LIBS += $(Z_LIB)
+DEPLIBS =
 else
+DEPLIBS=$(ZLIB_LIBRARY)
 ifeq ($(TARGET),win32)
-LIBS    += -L$(ERL_TOP)/erts/emulator/zlib/obj/$(TARGET)/$(TYPE) -lz
-DEPLIBS = $(ERL_TOP)/erts/emulator/zlib/obj/$(TARGET)/$(TYPE)/z.lib
+LIBS    += -L$(ZLIB_OBJDIR) -lz
 else
 # Build on darwin fails if -lz is used
-LIBS += $(ERL_TOP)/erts/emulator/zlib/obj/$(TARGET)/$(TYPE)/libz.a
-DEPLIBS = $(ERL_TOP)/erts/emulator/zlib/obj/$(TARGET)/$(TYPE)/libz.a
+LIBS += $(ZLIB_LIBRARY)
 endif
-
 endif
 
 ifeq ($(TARGET),win32)
@@ -313,12 +326,9 @@ LIBSCTP = @LIBSCTP@
 ORG_THR_LIBS=@EMU_THR_LIBS@
 THR_LIB_NAME=@EMU_THR_LIB_NAME@
 
-ifneq ($(strip $(THR_LIB_NAME)),)
-DEPLIBS +=	$(ERL_TOP)/erts/lib/internal/$(TARGET)/$(LIB_PREFIX)erts_internal_r$(TYPEMARKER)$(LIB_SUFFIX) \
-		$(ERL_TOP)/erts/lib/internal/$(TARGET)/$(LIB_PREFIX)ethread$(TYPEMARKER)$(LIB_SUFFIX)
-else
-DEPLIBS +=	$(ERL_TOP)/erts/lib/internal/$(TARGET)/$(LIB_PREFIX)erts_internal$(TYPEMARKER)$(LIB_SUFFIX)
-endif
+ERTS_LIB_DIR = $(ERL_TOP)/erts/lib_src
+ERTS_LIB = $(ERTS_LIB_DIR)/obj/$(TARGET)/$(TYPE)/MADE
+DEPLIBS += $(ERTS_LIB)
 
 THR_LIBS=$(subst -l$(THR_LIB_NAME),-l$(THR_LIB_NAME)$(TYPEMARKER), \
 	   $(subst -lerts_internal_r,-lerts_internal_r$(TYPEMARKER),$(ORG_THR_LIBS)))
@@ -354,8 +364,7 @@ OBJDIR = obj/$(TTF_DIR)
 
 CREATE_DIRS += $(OBJDIR) \
 	pcre/obj/$(TARGET)/$(TYPE) \
-	zlib/obj/$(TARGET)/$(TYPE)
-
+	$(ZLIB_OBJDIR)
 
 BINDIR = $(ERL_TOP)/bin/$(TARGET)
 
@@ -378,15 +387,12 @@ else
 UNIX_ONLY_BUILDS =
 endif
 
-ifeq ($(TYPE)-@HAVE_VALGRIND@,valgrind-no)
-all:
-	@echo '*** valgrind not found by configure'
-else
-ifeq ($(FLAVOR)-@ERTS_BUILD_SMP_EMU@,smp-no)
+.PHONY: all
+ifdef VOID_EMULATOR
 all:
-	@echo '*** Omitted build of emulator with smp support'
+	@echo $(VOID_EMULATOR)' - omitted target all'
 else
-all: generate erts_lib zlib $(BINDIR)/$(EMULATOR_EXECUTABLE) $(UNIX_ONLY_BUILDS)
+all: $(BINDIR)/$(EMULATOR_EXECUTABLE) $(UNIX_ONLY_BUILDS)
 ifeq ($(OMIT_OMIT_FP),yes)
 	@echo '* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *'
 	@echo '* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *'
@@ -397,37 +403,25 @@ ifeq ($(OMIT_OMIT_FP),yes)
 	@echo '* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *'
 endif
 endif
-endif
-
-ifdef Z_LIB
-zlib:
-	@echo 'Skip zlib directory, use shared library'
-else
-zlib:
-	@set -e ; cd zlib && $(MAKE) TYPE=$(TYPE) $(TYPE)
-endif
-
 
+include zlib/zlib.mk
 include pcre/pcre.mk
 
-erts_lib:
-	cd $(ERL_TOP)/erts/lib_src && $(MAKE) $(TYPE)
+$(ERTS_LIB):
+	cd $(ERTS_LIB_DIR) && $(MAKE) $(TYPE)
 
+.PHONY: clean
 clean:
-ifeq ($(TARGET),win32)
-	$(RM) -f $(TARGET)/beams.rc
-endif
-	$(RM) -f $(TARGET)/*.c $(TARGET)/*.h $(TARGET)/depend.mk
-	$(RM) -f $(TARGET)/*/*/*.c $(TARGET)/*/*/*.h $(TARGET)/*/*/*.S
-	$(RM) -f $(ERL_TOP)/erts/emulator/obj/$(TARGET)/*/*/*.o
-	$(RM) -f $(BINDIR)/beam $(BINDIR)/beam.*
-	$(RM) -rf $(BINDIR)/child_setup $(BINDIR)/child_setup.*
-	$(RM) -f $(BINDIR)/hipe_mkliterals $(BINDIR)/hipe_mkliterals.*
-	@set -e ; cd zlib && $(MAKE) clean
-	rm -f $(OBJS) $(OBJDIR)/libepcre.a
-
-.PHONY: all zlib clean valgrind
-
+	$(RM) -f $(GENERATE)
+	$(RM) -rf $(TARGET)/*.c $(TARGET)/*.h $(TARGET)/*-GENERATED
+	$(RM) -rf $(TARGET)/*/*
+	$(RM) -rf obj/$(TARGET)
+	$(RM) -rf pcre/obj/$(TARGET) $(PCRE_GENINC)
+	$(RM) -rf zlib/obj/$(TARGET)
+	$(RM) -rf bin/$(TARGET)
+	cd $(ERTS_LIB_DIR) && $(MAKE) clean
+
+.PHONY: docs
 docs:
 
 # ----------------------------------------------------------------------
@@ -440,13 +434,11 @@ ifeq ($(TARGET),win32)
 RELEASE_INCLUDES += sys/$(ERLANG_OSTYPE)/erl_win_dyn_driver.h
 endif
 
-ifeq ($(TYPE)-@HAVE_VALGRIND@,valgrind-no)
-release_spec:
-	@echo '*** valgrind not found by configure'
-else
-ifeq ($(FLAVOR)-@ERTS_BUILD_SMP_EMU@,smp-no)
+
+.PHONY: release_spec
+ifdef VOID_EMULATOR
 release_spec:
-	@echo '*** No emulator with smp support to install'
+	@echo $(VOID_EMULATOR)' - omitted target release_spec (install)'
 else
 release_spec: all
 	$(INSTALL_DIR) $(RELSYSDIR)
@@ -463,8 +455,8 @@ ifeq ($(ERLANG_OSTYPE), unix)
 	$(INSTALL_PROGRAM) $(BINDIR)/$(CS_EXECUTABLE) $(RELSYSDIR)/bin
 endif
 endif
-endif
 
+.PHONY: release_docs_spec
 release_docs_spec:
 
 # ----------------------------------------------------------------------
@@ -473,48 +465,41 @@ release_docs_spec:
 
 _create_dirs := $(shell mkdir -p $(CREATE_DIRS))
 
-.PHONY : generate
-
-GENERATE=	$(TTF_DIR)/beam_opcodes.h \
-		$(TARGET)/erl_bif_table.c \
-		$(TARGET)/erl_version.h \
-		$(TTF_DIR)/driver_tab.c \
-		$(TTF_DIR)/erl_alloc_types.h
-
-ifeq ($(TARGET),win32)
-GENERATE +=	$(TARGET)/beams.rc
-else
-GENERATE +=	$(TARGET)/preload.c
-endif
+GENERATE =
+HIPE_ASM =
 
 ifeq ($(findstring vxworks,$(TARGET)),vxworks)
 else
 ifdef HIPE_ENABLED
-GENERATE +=	$(TTF_DIR)/hipe_x86_asm.h \
+HIPE_ASM +=	$(TTF_DIR)/hipe_x86_asm.h \
 		$(TTF_DIR)/hipe_amd64_asm.h \
 		$(TTF_DIR)/hipe_sparc_asm.h \
 		$(TTF_DIR)/hipe_ppc_asm.h \
-		$(TTF_DIR)/hipe_arm_asm.h \
+		$(TTF_DIR)/hipe_arm_asm.h
+
+GENERATE +=	$(HIPE_ASM) \
 		$(TTF_DIR)/hipe_literals.h \
 		$(BINDIR)/hipe_mkliterals$(TF_MARKER)
 endif
 endif
 
-ifeq ($(FLAVOR)-@ERTS_BUILD_SMP_EMU@,smp-no)
-GENERATE=
-endif
-
-generate: $(GENERATE)
-
 ifdef HIPE_ENABLED
 OPCODE_TABLES += hipe/hipe_ops.tab
 endif
 
-$(TTF_DIR)/beam_opcodes.h $(TTF_DIR)/beam_opcodes.c: $(OPCODE_TABLES) utils/beam_makeops
+$(TTF_DIR)/beam_cold.h \
+$(TTF_DIR)/beam_hot.h \
+$(TTF_DIR)/beam_opcodes.c \
+$(TTF_DIR)/beam_opcodes.h \
+$(TTF_DIR)/beam_pred_funcs.h \
+$(TTF_DIR)/beam_tr_funcs.h \
+	: $(TTF_DIR)/OPCODES-GENERATED
+$(TTF_DIR)/OPCODES-GENERATED: $(OPCODE_TABLES) utils/beam_makeops
 	LANG=C $(PERL) utils/beam_makeops \
 		-wordsize @EXTERNAL_WORD_SIZE@ \
 		-outdir $(TTF_DIR) \
-		-emulator $(OPCODE_TABLES)
+		-emulator $(OPCODE_TABLES) && echo $? >$(TTF_DIR)/OPCODES-GENERATED
+GENERATE += $(TTF_DIR)/OPCODES-GENERATED
 
 # bif and atom table
 ATOMS=	beam/atom.names
@@ -534,25 +519,32 @@ BIFS += hipe/hipe_perfctr.tab
 endif
 endif
 
-TABLES=	$(TARGET)/erl_bif_table.c $(TARGET)/erl_bif_table.h	\
-	$(TARGET)/erl_bif_wrap.c $(TARGET)/erl_bif_list.h	\
-	$(TARGET)/erl_atom_table.c $(TARGET)/erl_atom_table.h   \
-	$(TARGET)/erl_pbifs.c
-
-$(TABLES): $(ATOMS) $(BIFS) utils/make_tables
+$(TARGET)/erl_bif_table.c \
+$(TARGET)/erl_bif_table.h \
+$(TARGET)/erl_bif_wrap.c \
+$(TARGET)/erl_bif_list.h \
+$(TARGET)/erl_atom_table.c \
+$(TARGET)/erl_atom_table.h \
+$(TARGET)/erl_pbifs.c \
+	: $(TARGET)/TABLES-GENERATED
+$(TARGET)/TABLES-GENERATED: $(ATOMS) $(BIFS) utils/make_tables
 	LANG=C $(PERL) utils/make_tables -src $(TARGET) -include $(TARGET)\
-		$(ATOMS) $(BIFS)
+		$(ATOMS) $(BIFS) && echo $? >$(TARGET)/TABLES-GENERATED
+GENERATE += $(TARGET)/TABLES-GENERATED
 
 $(TTF_DIR)/erl_alloc_types.h: beam/erl_alloc.types utils/make_alloc_types
 	LANG=C $(PERL) utils/make_alloc_types -src $< -dst $@ $(ENABLE_ALLOC_TYPE_VARS)
+GENERATE += $(TTF_DIR)/erl_alloc_types.h
 
 # version include file
 $(TARGET)/erl_version.h: ../vsn.mk
 	LANG=C $(PERL) utils/make_version -o $@ $(SYSTEM_VSN) $(VSN)$(SERIALNO) $(TARGET)
+GENERATE += $(TARGET)/erl_version.h
 
 # driver table
 $(TTF_DIR)/driver_tab.c: Makefile.in
 	LANG=C $(PERL) utils/make_driver_tab -o $@ $(DRV_OBJS)
+GENERATE += $(TTF_DIR)/driver_tab.c
 
 # Preloaded code.
 # 
@@ -568,6 +560,7 @@ $(TARGET)/beams.rc: $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
 			$(ERL_TOP)/erts/preloaded/ebin/erl_prim_loader.beam \
 			$(ERL_TOP)/erts/preloaded/ebin/erlang.beam
 	LANG=C $(PERL) utils/make_preload $(MAKE_PRELOAD_EXTRA) -rc $^ > $@
+GENERATE += $(TARGET)/beams.rc
 else
 $(TARGET)/preload.c: $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
 			$(ERL_TOP)/erts/preloaded/ebin/init.beam \
@@ -578,6 +571,17 @@ $(TARGET)/preload.c: $(ERL_TOP)/erts/preloaded/ebin/otp_ring0.beam \
 			$(ERL_TOP)/erts/preloaded/ebin/erl_prim_loader.beam \
 			$(ERL_TOP)/erts/preloaded/ebin/erlang.beam
 	LANG=C $(PERL) utils/make_preload -old $^ > $@
+GENERATE += $(TARGET)/preload.c
+endif
+
+.PHONY : generate
+ifdef VOID_EMULATOR
+generate:
+	@echo $(VOID_EMULATOR)' - omitted target generate'
+else
+generate: $(TTF_DIR)/GENERATED
+$(TTF_DIR)/GENERATED: $(GENERATE)
+	echo $? >$(TTF_DIR)/GENERATED
 endif
 
 # ----------------------------------------------------------------------
@@ -656,7 +660,7 @@ endif
 #
 CS_SRC = sys/$(ERLANG_OSTYPE)/erl_child_setup.c
 
-$(BINDIR)/$(CS_EXECUTABLE): $(CS_SRC)
+$(BINDIR)/$(CS_EXECUTABLE): $(TTF_DIR)/GENERATED $(CS_SRC) $(ERTS_LIB)
 	$(CS_PURIFY) $(CC) $(CS_LDFLAGS) -o $(BINDIR)/$(CS_EXECUTABLE) \
                $(CS_CFLAGS) $(COMMON_INCLUDES) $(CS_SRC) $(CS_LIBS)
 
@@ -834,6 +838,9 @@ BASE_OBJS = $(RUN_OBJS) $(EMU_OBJS) $(OS_OBJS) $(EXTRA_BASE_OBJS)
 
 OBJS =	$(BASE_OBJS) $(DRV_OBJS)
 
+$(INIT_OBJS): $(TTF_DIR)/GENERATED
+$(OBJS): $(TTF_DIR)/GENERATED
+
 ########################################
 # HiPE section
 
@@ -857,30 +864,49 @@ $(OBJDIR)/%.o: hipe/%.c
 $(BINDIR)/hipe_mkliterals$(TF_MARKER):	$(OBJDIR)/hipe_mkliterals.o
 	$(CC) $(CFLAGS) $(INCLUDES) -o $@ $<
 
-$(OBJDIR)/hipe_mkliterals.o:	$(TTF_DIR)/hipe_x86_asm.h $(TTF_DIR)/hipe_ppc_asm.h $(TTF_DIR)/beam_opcodes.h
+$(OBJDIR)/hipe_mkliterals.o:	$(HIPE_ASM) $(TTF_DIR)/erl_alloc_types.h \
+	$(TTF_DIR)/OPCODES-GENERATED $(TARGET)/TABLES-GENERATED
 
 $(TTF_DIR)/hipe_literals.h:	$(BINDIR)/hipe_mkliterals$(TF_MARKER)
 	$(BINDIR)/hipe_mkliterals$(TF_MARKER) -c > $@
 
-$(OBJDIR)/hipe_x86_glue.o:	hipe/hipe_x86_glue.S $(TTF_DIR)/hipe_x86_asm.h $(TTF_DIR)/hipe_literals.h hipe/hipe_mode_switch.h
-$(TTF_DIR)/hipe_x86_bifs.S:	hipe/hipe_x86_bifs.m4 hipe/hipe_x86_asm.m4 hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
-$(OBJDIR)/hipe_x86_bifs.o:	$(TTF_DIR)/hipe_x86_bifs.S $(TTF_DIR)/hipe_literals.h
-
-$(OBJDIR)/hipe_amd64_glue.o:	hipe/hipe_amd64_glue.S $(TTF_DIR)/hipe_amd64_asm.h $(TTF_DIR)/hipe_literals.h hipe/hipe_mode_switch.h
-$(TTF_DIR)/hipe_amd64_bifs.S:	hipe/hipe_amd64_bifs.m4 hipe/hipe_amd64_asm.m4 hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
-$(OBJDIR)/hipe_amd64_bifs.o:	$(TTF_DIR)/hipe_amd64_bifs.S $(TTF_DIR)/hipe_literals.h
-
-$(OBJDIR)/hipe_sparc_glue.o:	hipe/hipe_sparc_glue.S $(TTF_DIR)/hipe_sparc_asm.h hipe/hipe_mode_switch.h $(TTF_DIR)/hipe_literals.h
-$(TTF_DIR)/hipe_sparc_bifs.S:	hipe/hipe_sparc_bifs.m4 hipe/hipe_sparc_asm.m4 hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
-$(OBJDIR)/hipe_sparc_bifs.o:	$(TTF_DIR)/hipe_sparc_bifs.S $(TTF_DIR)/hipe_literals.h
-
-$(OBJDIR)/hipe_ppc_glue.o:	hipe/hipe_ppc_glue.S $(TTF_DIR)/hipe_ppc_asm.h hipe/hipe_mode_switch.h $(TTF_DIR)/hipe_literals.h
-$(TTF_DIR)/hipe_ppc_bifs.S:	hipe/hipe_ppc_bifs.m4 hipe/hipe_ppc_asm.m4 hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
-$(OBJDIR)/hipe_ppc_bifs.o:	$(TTF_DIR)/hipe_ppc_bifs.S $(TTF_DIR)/hipe_literals.h
-
-$(OBJDIR)/hipe_arm_glue.o:	hipe/hipe_arm_glue.S $(TTF_DIR)/hipe_arm_asm.h hipe/hipe_mode_switch.h $(TTF_DIR)/hipe_literals.h
-$(TTF_DIR)/hipe_arm_bifs.S:	hipe/hipe_arm_bifs.m4 hipe/hipe_arm_asm.m4 hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
-$(OBJDIR)/hipe_arm_bifs.o:	$(TTF_DIR)/hipe_arm_bifs.S $(TTF_DIR)/hipe_literals.h
+$(OBJDIR)/hipe_x86_glue.o:	hipe/hipe_x86_glue.S \
+	$(TTF_DIR)/hipe_x86_asm.h $(TTF_DIR)/hipe_literals.h \
+	hipe/hipe_mode_switch.h
+$(TTF_DIR)/hipe_x86_bifs.S:	hipe/hipe_x86_bifs.m4 hipe/hipe_x86_asm.m4 \
+	hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
+$(OBJDIR)/hipe_x86_bifs.o:	$(TTF_DIR)/hipe_x86_bifs.S \
+	$(TTF_DIR)/hipe_literals.h
+
+$(OBJDIR)/hipe_amd64_glue.o:	hipe/hipe_amd64_glue.S \
+	$(TTF_DIR)/hipe_amd64_asm.h $(TTF_DIR)/hipe_literals.h \
+	hipe/hipe_mode_switch.h
+$(TTF_DIR)/hipe_amd64_bifs.S:	hipe/hipe_amd64_bifs.m4 hipe/hipe_amd64_asm.m4 \
+	hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
+$(OBJDIR)/hipe_amd64_bifs.o:	$(TTF_DIR)/hipe_amd64_bifs.S \
+	$(TTF_DIR)/hipe_literals.h
+
+$(OBJDIR)/hipe_sparc_glue.o:	hipe/hipe_sparc_glue.S \
+	$(TTF_DIR)/hipe_sparc_asm.h hipe/hipe_mode_switch.h \
+	$(TTF_DIR)/hipe_literals.h
+$(TTF_DIR)/hipe_sparc_bifs.S:	hipe/hipe_sparc_bifs.m4 hipe/hipe_sparc_asm.m4 \
+	hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
+$(OBJDIR)/hipe_sparc_bifs.o:	$(TTF_DIR)/hipe_sparc_bifs.S \
+	$(TTF_DIR)/hipe_literals.h
+
+$(OBJDIR)/hipe_ppc_glue.o:	hipe/hipe_ppc_glue.S $(TTF_DIR)/hipe_ppc_asm.h \
+	hipe/hipe_mode_switch.h $(TTF_DIR)/hipe_literals.h
+$(TTF_DIR)/hipe_ppc_bifs.S:	hipe/hipe_ppc_bifs.m4 hipe/hipe_ppc_asm.m4 \
+	hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
+$(OBJDIR)/hipe_ppc_bifs.o:	$(TTF_DIR)/hipe_ppc_bifs.S \
+	$(TTF_DIR)/hipe_literals.h
+
+$(OBJDIR)/hipe_arm_glue.o:	hipe/hipe_arm_glue.S $(TTF_DIR)/hipe_arm_asm.h \
+	hipe/hipe_mode_switch.h $(TTF_DIR)/hipe_literals.h
+$(TTF_DIR)/hipe_arm_bifs.S:	hipe/hipe_arm_bifs.m4 hipe/hipe_arm_asm.m4 \
+	hipe/hipe_bif_list.m4 $(TARGET)/erl_bif_list.h hipe/hipe_gbif_list.h
+$(OBJDIR)/hipe_arm_bifs.o:	$(TTF_DIR)/hipe_arm_bifs.S \
+	$(TTF_DIR)/hipe_literals.h
 
 # end of HiPE section
 ########################################
@@ -927,13 +953,6 @@ $(BINDIR)/$(EMULATOR_EXECUTABLE): $(INIT_OBJS) $(OBJS) $(DEPLIBS)
 
 endif
 
-#
-# Create directories
-#
-
-$(CREATE_DIRS):
-	$(MKDIR) -p $@
-
 # ----------------------------------------------------------------------
 # Dependencies
 #
@@ -945,6 +964,7 @@ $(TARGET)/Makefile: Makefile.in
 
 #SED_REPL_WIN_DRIVE=s|\([ 	]\)\([A-Za-z]\):|\1/cygdrive/\2|g;s|^\([A-Za-z]\):|/cygdrive/\1|g
 SED_REPL_O=s|^\([^:]*:\)|$$(OBJDIR)/\1|g
+SED_REPL_O_ZLIB=s|^\([^:]*:\)|$$(ZLIB_OBJDIR)/\1|g
 SED_REPL_TTF_DIR=s|$(TTF_DIR)/|$$(TTF_DIR)/|g
 SED_REPL_ERL_TOP=s|\([ 	]\)$(ERL_TOP)/|\1$$(ERL_TOP)/|g;s|^$(ERL_TOP)/|$$(ERL_TOP)/|g
 SED_REPL_POLL=s|$$(OBJDIR)/erl_poll.o|$$(OBJDIR)/erl_poll.kp.o $$(OBJDIR)/erl_poll.nkp.o|g
@@ -964,6 +984,7 @@ SED_SUFFIX=
 endif
 
 SED_DEPEND=sed '$(SED_PREFIX)$(SED_REPL_O);$(SED_REPL_TTF_DIR);$(SED_REPL_ERL_TOP)$(SED_SUFFIX)'
+SED_DEPEND_ZLIB=sed '$(SED_PREFIX)$(SED_REPL_O_ZLIB)'
 
 ifdef HIPE_ENABLED
 HIPE_SRC=$(wildcard hipe/*.c)
@@ -1008,22 +1029,36 @@ DEP_FLAGS=-MM $(MG_FLAG) $(CFLAGS) $(INCLUDES) -Idrivers/common -Idrivers/$(ERLA
 SYS_SRC=$(ALL_SYS_SRC)
 endif
 
+.PHONY: depend
+ifdef VOID_EMULATOR
 depend:
+	@echo $(VOID_EMULATOR)' - omitted target depend'
+else
+depend: $(TTF_DIR)/depend.mk
+$(TTF_DIR)/depend.mk: $(TTF_DIR)/GENERATED
 	$(DEP_CC) $(DEP_FLAGS) $(BEAM_SRC) \
-		| $(SED_DEPEND) > $(TARGET)/depend.mk
+		| $(SED_DEPEND) > $(TTF_DIR)/depend.mk
 	$(DEP_CC) $(DEP_FLAGS) -DLIBSCTP=$(LIBSCTP) $(DRV_COMMON_SRC) \
-		| $(SED_DEPEND) >> $(TARGET)/depend.mk
+		| $(SED_DEPEND) >> $(TTF_DIR)/depend.mk
 	$(DEP_CC) $(DEP_FLAGS) -I../etc/$(ERLANG_OSTYPE) $(DRV_OSTYPE_SRC) \
-		| $(SED_DEPEND) >> $(TARGET)/depend.mk
+		| $(SED_DEPEND) >> $(TTF_DIR)/depend.mk
 	$(DEP_CC) $(DEP_FLAGS) $(SYS_SRC) \
-		| $(SED_DEPEND) >> $(TARGET)/depend.mk
+		| $(SED_DEPEND) >> $(TTF_DIR)/depend.mk
 	$(DEP_CC) $(DEP_FLAGS) $(TARGET_SRC) \
-		| $(SED_DEPEND) >> $(TARGET)/depend.mk
+		| $(SED_DEPEND) >> $(TTF_DIR)/depend.mk
+	$(DEP_CC) $(DEP_FLAGS) $(ZLIB_SRC) \
+		| $(SED_DEPEND_ZLIB) >> $(TTF_DIR)/depend.mk
 ifdef HIPE_ENABLED
 	$(DEP_CC) $(DEP_FLAGS) $(HIPE_SRC) \
-		| $(SED_DEPEND) >> $(TARGET)/depend.mk
+		| $(SED_DEPEND) >> $(TTF_DIR)/depend.mk
+endif
+	cd $(ERTS_LIB_DIR) && $(MAKE) depend
 endif
--include $(TARGET)/depend.mk
-
-
 
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),generate)
+ifndef VOID_EMULATOR
+-include $(TTF_DIR)/depend.mk
+endif
+endif
+endif
diff --git a/erts/emulator/pcre/pcre.mk b/erts/emulator/pcre/pcre.mk
index b752c11459..352137b341 100644
--- a/erts/emulator/pcre/pcre.mk
+++ b/erts/emulator/pcre/pcre.mk
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 #
-# Copyright Ericsson AB 2011. All Rights Reserved.
+# Copyright Ericsson AB 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
@@ -17,8 +17,6 @@
 # %CopyrightEnd%
 #
 
-ARFLAGS = rc
-
 PCRE_O = \
 pcre_latin_1_table.o \
 pcre_compile.o \
@@ -43,7 +41,7 @@ pcre_xclass.o
 
 PCRE_OBJS = $(PCRE_O:%=$(PCRE_OBJDIR)/%)
 
-GENINC = pcre/pcre_exec_loop_break_cases.inc
+PCRE_GENINC = $(ERL_TOP)/erts/emulator/pcre/pcre_exec_loop_break_cases.inc
 
 PCRE_OBJDIR = $(ERL_TOP)/erts/emulator/pcre/obj/$(TARGET)/$(TYPE)
 
@@ -61,12 +59,12 @@ endif
 $(PCRE_OBJDIR)/%.o: pcre/%.c
 	$(CC) -c $(PCRE_CFLAGS) -o $@ $<
 
-$(GENINC): pcre/pcre_exec.c
+$(PCRE_GENINC): pcre/pcre_exec.c
 	for x in `grep -n COST_CHK pcre/pcre_exec.c | grep -v 'COST_CHK(N)' | awk -F: '{print $$1}'`; \
 	do \
 		N=`expr $$x + 100`; \
 		echo "case $$N: goto L_LOOP_COUNT_$${x};"; \
-	done > $(GENINC)
+	done > $(PCRE_GENINC)
 
 # Dependencies.
 
@@ -79,7 +77,7 @@ $(PCRE_OBJDIR)/pcre_config.o: pcre/pcre_config.c pcre/pcre_internal.h \
 $(PCRE_OBJDIR)/pcre_dfa_exec.o: pcre/pcre_dfa_exec.c pcre/pcre_internal.h \
   pcre/local_config.h pcre/pcre.h pcre/ucp.h
 $(PCRE_OBJDIR)/pcre_exec.o: pcre/pcre_exec.c pcre/pcre_internal.h \
-  pcre/local_config.h pcre/pcre.h pcre/ucp.h $(GENINC)
+  pcre/local_config.h pcre/pcre.h pcre/ucp.h $(PCRE_GENINC)
 $(PCRE_OBJDIR)/pcre_fullinfo.o: pcre/pcre_fullinfo.c pcre/pcre_internal.h \
   pcre/local_config.h pcre/pcre.h pcre/ucp.h
 $(PCRE_OBJDIR)/pcre_get.o: pcre/pcre_get.c pcre/pcre_internal.h \
diff --git a/erts/emulator/zlib/Makefile b/erts/emulator/zlib/Makefile
deleted file mode 100644
index def8e1aa47..0000000000
--- a/erts/emulator/zlib/Makefile
+++ /dev/null
@@ -1,23 +0,0 @@
-# 
-# %CopyrightBegin%
-# 
-# Copyright Ericsson AB 1997-2009. 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 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.
-# 
-# %CopyrightEnd%
-# 
-#
-# Invoke with GNU make or clearmake -C gnu.
-#
-
-include $(ERL_TOP)/make/run_make.mk
diff --git a/erts/emulator/zlib/Makefile.in b/erts/emulator/zlib/Makefile.in
deleted file mode 100644
index b44a87551d..0000000000
--- a/erts/emulator/zlib/Makefile.in
+++ /dev/null
@@ -1,102 +0,0 @@
-# Makefile for zlib
-# Copyright (C) 1995-1996 Jean-loup Gailly.
-# For conditions of distribution and use, see copyright notice in zlib.h 
-
-# %ExternalCopyright%
-
-# To compile and test, type:
-#   ./configure; make test
-# The call of configure is optional if you don't have special requirements
-
-# To install /usr/local/lib/libz.* and /usr/local/include/zlib.h, type:
-#    make install
-# To install in $HOME instead of /usr/local, use:
-#    make install prefix=$HOME
-
-ARFLAGS = rc
-CFLAGS = $(subst -O2, -O3, @CFLAGS@ @DEFS@ @EMU_THR_DEFS@)
-#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
-#CFLAGS=-g -DDEBUG
-#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
-#           -Wstrict-prototypes -Wmissing-prototypes
-
-VER=1.0.4
-
-O = adler32.o compress.o crc32.o uncompr.o deflate.o trees.o \
-       zutil.o inflate.o inftrees.o inffast.o
-OBJS = $(O:%=$(OBJDIR)/%)
-
-
-#### Begin OTP targets
-
-include $(ERL_TOP)/make/target.mk
-
-ifeq ($(TYPE),gcov)
-CFLAGS = -O0 -fprofile-arcs -ftest-coverage @DEBUG_CFLAGS@ @DEFS@ @EMU_THR_DEFS@
-else  # gcov
-ifeq ($(TYPE),debug)
-CFLAGS = @DEBUG_CFLAGS@ @DEFS@ @EMU_THR_DEFS@
-endif # debug
-endif # gcov
-
-# On windows we *need* a separate zlib during debug build
-OBJDIR= $(ERL_TOP)/erts/emulator/zlib/obj/$(TARGET)/$(TYPE)
-
-include $(ERL_TOP)/make/$(TARGET)/otp.mk
-
-ifeq ($(TARGET), win32)
-LIBRARY=$(OBJDIR)/z.lib
-else
-LIBRARY=$(OBJDIR)/libz.a
-endif
-
-all: $(LIBRARY)
-
-# ----------------------------------------------------
-# Release Target
-# ---------------------------------------------------- 
-include $(ERL_TOP)/make/otp_release_targets.mk
-
-release_spec: opt
-
-tests release_tests:
-
-docs release_docs release_docs_spec:
-
-clean:
-	rm -f $(OBJS) $(OBJDIR)/libz.a
-
-#### end OTP targets
-
-ifeq ($(TARGET), win32)
-$(LIBRARY): $(OBJS)
-	$(AR) -out:$@ $(OBJS)
-else
-$(LIBRARY): $(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
-	-@ ($(RANLIB) $@ || true) 2>/dev/null
-endif
-
-$(OBJDIR)/%.o: %.c
-	$(CC) -c $(CFLAGS) -o $@ $<
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-adler32.o: zlib.h zconf.h
-compress.o: zlib.h zconf.h
-crc32.o: zlib.h zconf.h
-deflate.o: deflate.h zutil.h zlib.h zconf.h
-example.o: zlib.h zconf.h
-gzio.o: zutil.h zlib.h zconf.h
-infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h
-infcodes.o: zutil.h zlib.h zconf.h
-infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h
-inffast.o: zutil.h zlib.h zconf.h inftrees.h
-inffast.o: infblock.h infcodes.h infutil.h inffast.h
-inflate.o: zutil.h zlib.h zconf.h infblock.h
-inftrees.o: zutil.h zlib.h zconf.h inftrees.h
-infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h
-minigzip.o:  zlib.h zconf.h 
-trees.o: deflate.h zutil.h zlib.h zconf.h 
-uncompr.o: zlib.h zconf.h
-zutil.o: zutil.h zlib.h zconf.h  
diff --git a/erts/emulator/zlib/zlib.mk b/erts/emulator/zlib/zlib.mk
new file mode 100644
index 0000000000..fa1f159fae
--- /dev/null
+++ b/erts/emulator/zlib/zlib.mk
@@ -0,0 +1,74 @@
+#-*-makefile-*-   ; force emacs to enter makefile-mode
+# ----------------------------------------------------
+# Make include file for zlib
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2011-2012. 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 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.
+#
+# %CopyrightEnd%
+#
+# ----------------------------------------------------
+# Copyright for zlib itself see copyright notice in zlib.h
+
+ZLIB_FILES = \
+	adler32 \
+	compress \
+	crc32 \
+	uncompr \
+	deflate \
+	trees \
+	zutil \
+	inflate \
+	inftrees \
+	inffast
+
+# On windows we *need* a separate zlib during debug build
+ZLIB_OBJDIR = $(ERL_TOP)/erts/emulator/zlib/obj/$(TARGET)/$(TYPE)
+
+ZLIB_OBJS = $(ZLIB_FILES:%=$(ZLIB_OBJDIR)/%.o)
+ZLIB_SRC = $(ZLIB_FILES:%=zlib/%.c)
+
+ifeq ($(TARGET), win32)
+ZLIB_LIBRARY = $(ZLIB_OBJDIR)/z.lib
+else
+ZLIB_LIBRARY = $(ZLIB_OBJDIR)/libz.a
+endif
+
+
+ifeq ($(TYPE),gcov)
+ZLIB_CFLAGS = -O0 -fprofile-arcs -ftest-coverage $(DEBUG_CFLAGS) $(DEFS) $(THR_DEFS)
+else  # gcov
+ifeq ($(TYPE),debug)
+ZLIB_CFLAGS = $(DEBUG_CFLAGS) $(DEFS) $(THR_DEFS)
+else # debug
+ZLIB_CFLAGS = $(subst -O2, -O3, $(CONFIGURE_CFLAGS) $(DEFS) $(THR_DEFS))
+#ZLIB_CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
+#ZLIB_CFLAGS=-g -DDEBUG
+#ZLIB_CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
+#	-Wstrict-prototypes -Wmissing-prototypes
+endif # debug
+endif # gcov
+
+ifeq ($(TARGET), win32)
+$(ZLIB_LIBRARY): $(ZLIB_OBJS)
+	$(AR) -out:$@ $(ZLIB_OBJS)
+else
+$(ZLIB_LIBRARY): $(ZLIB_OBJS)
+	$(AR) $(ARFLAGS) $@ $(ZLIB_OBJS)
+	-@ ($(RANLIB) $@ || true) 2>/dev/null
+endif
+
+$(ZLIB_OBJDIR)/%.o: zlib/%.c
+	$(CC) -c $(ZLIB_CFLAGS) -o $@ $<
diff --git a/erts/epmd/src/Makefile.in b/erts/epmd/src/Makefile.in
index 2f5296a5e8..5767edc346 100644
--- a/erts/epmd/src/Makefile.in
+++ b/erts/epmd/src/Makefile.in
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 # 
-# Copyright Ericsson AB 1998-2010. All Rights Reserved.
+# Copyright Ericsson AB 1998-2012. All Rights Reserved.
 # 
 # The contents of this file are subject to the Erlang Public License,
 # Version 1.1, (the "License"); you may not use this file except in
@@ -24,6 +24,7 @@ PURIFY     =
 TYPEMARKER = .debug
 TYPE_FLAGS = -DDEBUG @DEBUG_FLAGS@
 else
+
 ifeq ($(TYPE),purify)
 PURIFY     = purify
 TYPEMARKER =
@@ -33,6 +34,8 @@ else
   TYPE_FLAGS = -O2 -DPURIFY
 endif
 else
+
+override TYPE = opt
 PURIFY     =
 TYPEMARKER =
 ifeq ($(findstring ose,$(TARGET)),ose)
@@ -65,6 +68,8 @@ ERTS_INTERNAL_LIBS=-L../../lib/internal/$(TARGET) -lerts_internal$(ERTS_LIB_TYPE
 endif
 endif
 
+ERTS_LIB = $(ERL_TOP)/erts/lib_src/obj/$(TARGET)/$(TYPE)/MADE
+
 CC      = @CC@
 WFLAGS  = @WFLAGS@
 CFLAGS  = @CFLAGS@ @DEFS@ $(TYPE_FLAGS) $(WFLAGS) $(ERTS_INCL)
@@ -106,7 +111,7 @@ EPMD_OBJS = $(OBJDIR)/epmd.o       \
 #---------------------------------
 
 
-all: erts_lib $(BINDIR)/$(EPMD)
+all: $(BINDIR)/$(EPMD)
 
 docs:
 
@@ -122,13 +127,13 @@ clean:
 # Objects & executables
 #
 
-$(BINDIR)/$(EPMD): $(EPMD_OBJS)
+$(BINDIR)/$(EPMD): $(EPMD_OBJS) $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(EPMD_OBJS) $(LIBS)
 
 $(OBJDIR)/%.o: %.c epmd.h epmd_int.h
 	$(CC) $(CFLAGS) $(EPMD_FLAGS) -o $@ -c $<
 
-erts_lib:
+$(ERTS_LIB):
 	cd $(ERL_TOP)/erts/lib_src && $(MAKE) $(TYPE)
 
 include $(ERL_TOP)/make/otp_release_targets.mk
@@ -139,4 +144,3 @@ release_spec: all
 
 
 release_docs_spec:
-
diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in
index c3c242b87c..18f25b017b 100644
--- a/erts/etc/common/Makefile.in
+++ b/erts/etc/common/Makefile.in
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 #
-# Copyright Ericsson AB 1996-2011. All Rights Reserved.
+# Copyright Ericsson AB 1996-2012. 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
@@ -29,6 +29,7 @@ PURIFY =
 TYPEMARKER = .debug
 TYPE_FLAGS = -DDEBUG @DEBUG_FLAGS@
 else
+
 ifeq ($(TYPE),purify)
 PURIFY = purify
 TYPEMARKER =
@@ -38,6 +39,8 @@ else
 TYPE_FLAGS = -g -O2 -DPURIFY
 endif
 else
+
+override TYPE=opt
 PURIFY =
 TYPEMARKER =
 ERTS_LIB_TYPEMARKER=
@@ -101,6 +104,8 @@ else
 ERTS_INTERNAL_LIBS=-L../../lib/internal/$(TARGET) -lerts_internal$(ERTS_LIB_TYPEMARKER) @ERTS_INTERNAL_X_LIBS@ -lm
 endif
 
+ERTS_LIB = $(ERL_TOP)/erts/lib_src/obj/$(TARGET)/$(TYPE)/MADE
+
 # ----------------------------------------------------
 # Release directory specification
 # ----------------------------------------------------
@@ -232,14 +237,17 @@ endif
 endif
 endif
 
-etc:	erts_lib $(ENTRY_OBJ) $(INSTALL_PROGS) $(INSTALL_LIBS) $(TEXTFILES) $(INSTALL_TOP_BIN)
+.PHONY: etc
+etc:	$(ENTRY_OBJ) $(INSTALL_PROGS) $(INSTALL_LIBS) $(TEXTFILES) $(INSTALL_TOP_BIN)
 
 # erlexec needs the erts_internal library...
-erts_lib:
+$(ERTS_LIB):
 	cd $(ERL_TOP)/erts/lib_src && $(MAKE) $(TYPE)
 
+.PHONY: docs
 docs:
 
+.PHONY: clean
 clean:
 ifneq ($(INSTALL_PROGS),)
 	rm -f $(INSTALL_PROGS)
@@ -278,6 +286,7 @@ endif
 	rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/vxcall.o
 	rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/erl.o
 	rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/werl.o
+	rm -f $(TEXTFILES)
 	rm -f *~ core
 
 #
@@ -295,7 +304,7 @@ endif
 $(OBJDIR)/inet_gethost.o: inet_gethost.c
 	$(CC) $(CFLAGS) -o $@ -c inet_gethost.c
 
-$(BINDIR)/inet_gethost@EXEEXT@: $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ)
+$(BINDIR)/inet_gethost@EXEEXT@: $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) $(ENTRY_LDFLAGS) -o $@ $(OBJDIR)/inet_gethost.o $(ENTRY_OBJ) $(LIBS) $(ERTS_INTERNAL_LIBS)
 
 $(BINDIR)/run_erl: $(OBJDIR)/safe_string.o $(OBJDIR)/run_erl.o
@@ -320,37 +329,37 @@ $(OBJDIR)/safe_string.o: ../unix/safe_string.c
 	$(CC) $(CFLAGS) -o $@ -c ../unix/safe_string.c
 
 ifneq ($(TARGET),win32)
-$(BINDIR)/$(ERLEXEC): $(OBJDIR)/$(ERLEXEC).o
+$(BINDIR)/$(ERLEXEC): $(OBJDIR)/$(ERLEXEC).o $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/$(ERLEXEC).o $(ERTS_INTERNAL_LIBS)
 
 $(OBJDIR)/$(ERLEXEC).o: $(ERLEXECDIR)/$(ERLEXEC).c
 	$(CC) -I$(EMUDIR) $(CFLAGS) -o $@ -c $(ERLEXECDIR)/$(ERLEXEC).c
 endif
-$(BINDIR)/erlc@EXEEXT@: $(OBJDIR)/erlc.o
+$(BINDIR)/erlc@EXEEXT@: $(OBJDIR)/erlc.o $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/erlc.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
 
 $(OBJDIR)/erlc.o: erlc.c
 	$(CC) $(CFLAGS) -o $@ -c erlc.c
 
-$(BINDIR)/dialyzer@EXEEXT@: $(OBJDIR)/dialyzer.o
+$(BINDIR)/dialyzer@EXEEXT@: $(OBJDIR)/dialyzer.o $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/dialyzer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
 
 $(OBJDIR)/dialyzer.o: dialyzer.c
 	$(CC) $(CFLAGS) -o $@ -c dialyzer.c
 
-$(BINDIR)/typer@EXEEXT@: $(OBJDIR)/typer.o
+$(BINDIR)/typer@EXEEXT@: $(OBJDIR)/typer.o $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/typer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
 
 $(OBJDIR)/typer.o: typer.c
 	$(CC) $(CFLAGS) -o $@ -c typer.c
 
-$(BINDIR)/escript@EXEEXT@: $(OBJDIR)/escript.o
+$(BINDIR)/escript@EXEEXT@: $(OBJDIR)/escript.o $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/escript.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
 
 $(OBJDIR)/escript.o: escript.c
 	$(CC) $(CFLAGS) -o $@ -c escript.c
 
-$(BINDIR)/ct_run@EXEEXT@: $(OBJDIR)/ct_run.o
+$(BINDIR)/ct_run@EXEEXT@: $(OBJDIR)/ct_run.o $(ERTS_LIB)
 	$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/ct_run.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS)
 
 $(OBJDIR)/ct_run.o: ct_run.c
@@ -367,7 +376,7 @@ $(OBJDIR)/ct_run.o: ct_run.c
 
 ifeq ($(TARGET),win32)
 
-$(BINDIR)/$(ERLEXEC): $(OBJDIR)/erlexec.o $(OBJDIR)/win_erlexec.o $(OBJDIR)/init_file.o  $(OBJDIR)/$(ERLRES_OBJ)
+$(BINDIR)/$(ERLEXEC): $(OBJDIR)/erlexec.o $(OBJDIR)/win_erlexec.o $(OBJDIR)/init_file.o  $(OBJDIR)/$(ERLRES_OBJ) $(ERTS_LIB)
 	$(LD) -dll $(LDFLAGS) -o $@ $(OBJDIR)/erlexec.o $(OBJDIR)/win_erlexec.o $(OBJDIR)/init_file.o $(OBJDIR)/$(ERLRES_OBJ) $(ERTS_INTERNAL_LIBS)
 
 $(BINDIR)/erl@EXEEXT@: $(OBJDIR)/erl.o $(OBJDIR)/init_file.o $(OBJDIR)/$(ERLRES_OBJ)
@@ -515,6 +524,7 @@ erl.src: ../unix/erl.src.src ../../vsn.mk $(TARGET)/Makefile
 # ---------------------------------------------------- 
 include $(ERL_TOP)/make/otp_release_targets.mk
 
+.PHONY: release_spec
 release_spec: etc
 ifneq ($(INSTALL_OBJS),)
 	$(INSTALL_DIR) $(RELEASE_PATH)/erts-$(VSN)/obj
@@ -561,9 +571,5 @@ ifneq ($(INSTALL_INCLUDES),)
 	$(INSTALL_DATA) $(INSTALL_INCLUDES) $(RELEASE_PATH)/erts-$(VSN)/include
 endif
 
+.PHONY: release_docs_spec
 release_docs_spec:
-
-
-
-
-
diff --git a/erts/lib_src/Makefile.in b/erts/lib_src/Makefile.in
index 54ee7410fd..ea80e74100 100644
--- a/erts/lib_src/Makefile.in
+++ b/erts/lib_src/Makefile.in
@@ -1,7 +1,7 @@
 #
 # %CopyrightBegin%
 #
-# Copyright Ericsson AB 2004-2011. All Rights Reserved.
+# Copyright Ericsson AB 2004-2012. 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
@@ -318,10 +318,14 @@ ETHREAD_LIB=
 
 endif
 
+_create_dirs := $(shell mkdir -p $(CREATE_DIRS))
 #
 # Everything to build
 #
-all: $(CREATE_DIRS) $(ETHREAD_LIB) $(ERTS_LIBS) $(ERTS_INTERNAL_LIBS)
+.PHONY: all
+all: $(OBJ_DIR)/MADE
+
+$(OBJ_DIR)/MADE: $(ETHREAD_LIB) $(ERTS_LIBS) $(ERTS_INTERNAL_LIBS)
 ifeq ($(OMIT_OMIT_FP),yes)
 	@echo '* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *'
 	@echo '* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *'
@@ -331,6 +335,8 @@ ifeq ($(OMIT_OMIT_FP),yes)
 	@echo '* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *'
 	@echo '* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *'
 endif
+	echo  $? > $(OBJ_DIR)/MADE
+
 #
 # The libs ...
 #
@@ -428,13 +434,6 @@ $(MTd_OBJ_DIR)/%.o: $(ETHR_THR_LIB_BASE_DIR)/%.c
 	$(CC) $(THR_DEFS) $(CFLAGS) -MTd $(INCLUDES) -c $< -o $@
 
 #
-# Create directories
-#
-
-$(CREATE_DIRS):
-	$(MKDIR) -p $@
-
-#
 # Install
 #
 
@@ -471,6 +470,7 @@ INTERNAL_RELEASE_LIBS= \
 	$(ETHREAD_LIB) \
 	$(ERTS_INTERNAL_LIBS)
 
+.PHONY: release_spec
 release_spec: all
 ifneq ($(strip $(RELEASE_INCLUDES)),)
 	$(INSTALL_DIR) $(RELSYSDIR)/include
@@ -500,19 +500,20 @@ ifneq ($(strip $(INTERNAL_RELEASE_LIBS)),)
 	$(INSTALL_DATA) $(INTERNAL_RELEASE_LIBS) $(RELSYSDIR)/lib/internal
 endif
 
+.PHONY: docs
 docs: 
 
+.PHONY: release_docs_spec
 release_docs_spec:
 
-
 #
 # Cleanup
 #
+.PHONY: clean
 clean:
 	$(RM) -rf ../lib/internal/$(TARGET)/*
 	$(RM) -rf ../lib/$(TARGET)/*
 	$(RM) -rf obj/$(TARGET)/*
-	$(RM) -f $(TARGET)/depend.mk
 
 #
 # Make dependencies
@@ -554,9 +555,11 @@ SED_MDd_DEPEND=sed '$(SED_PREFIX)$(SED_REPL_MDd_O);$(SED_REPL_TT_DIR);$(SED_REPL
 SED_MT_DEPEND=sed '$(SED_PREFIX)$(SED_REPL_MT_O);$(SED_REPL_TT_DIR);$(SED_REPL_TARGET)'
 SED_MTd_DEPEND=sed '$(SED_PREFIX)$(SED_REPL_MTd_O);$(SED_REPL_TT_DIR);$(SED_REPL_TARGET)'
 
-DEPEND_MK=$(TARGET)/depend.mk
+DEPEND_MK=$(OBJ_DIR)/depend.mk
 
-depend:
+.PHONY: depend
+depend: $(DEPEND_MK)
+$(DEPEND_MK):
 	@echo "Generating dependency file $(DEPEND_MK)..."
 	@echo "# Generated dependency rules" > $(DEPEND_MK);
 	@echo "# " >> $(DEPEND_MK);
@@ -629,6 +632,8 @@ endif
 endif
 	@echo "# EOF" >> $(DEPEND_MK);
 
+ifneq ($(MAKECMDGOALS),clean)
 -include $(DEPEND_MK)
+endif
 
 # eof