cpmac: fix race condition (closes #3019)

[openwrt.git] / toolchain / Makefile

diff --git a/toolchain/Makefile b/toolchain/Makefile
index 673fec2..cbc726e 100644 (file)
--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -1,63 +1,46 @@
 # 
 # 

-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2007 OpenWrt.org

 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 # Main makefile for the toolchain
 #
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 # Main makefile for the toolchain
 #

-include $(TOPDIR)/rules.mk
+curdir:=toolchain

 
 

-TARGETS-y:=kernel-headers
-TARGETS-$(CONFIG_GDB) += gdb
-ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
-  TARGETS-y+=binutils gcc uClibc
-endif
-
-TARGETS_DOWNLOAD:=$(patsubst %,%-download,$(TARGETS-y))
-TARGETS_PREPARE:=$(patsubst %,%-prepare,$(TARGETS-y))
-TARGETS_COMPILE:=$(patsubst %,%-compile,$(TARGETS-y))
-TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS-y))
-TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS-y))
-STAMP:=$(STAGING_DIR)/stampfiles/.toolchain_installed
-
-all: install
-download: $(TARGETS_DOWNLOAD)
-compile: $(TARGETS_COMPILE)
-install: $(STAMP) 
-clean: $(TARGETS_CLEAN)
+# subdirectories to descend into
+$(curdir)/builddirs := kernel-headers $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_NATIVE_TOOLCHAIN),,binutils gcc uClibc)
+$(curdir)/builddirs-compile:=. $(filter-out kernel-headers,$($(curdir)/builddirs))
+$(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)

 
 

-ifneq ($(shell $(SCRIPT_DIR)/timestamp.pl -p . $(STAMP)),$(STAMP))
-  $(STAMP): $(TARGETS_INSTALL)
-endif
-
-uClibc-prepare: kernel-headers-prepare
+# builddir dependencies
+$(curdir)/uClibc/prepare:=$(curdir)/kernel-headers/prepare

 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)

-  binutils-prepare: uClibc-prepare
-  gcc-prepare: binutils-install
-  uClibc-compile: gcc-compile
+  $(curdir)/binutils/prepare:=$(curdir)/uClibc/prepare
+  $(curdir)/gcc/prepare:=$(curdir)/binutils/install
+  $(curdir)/uClibc/compile:=$(curdir)/gcc/compile
+  $(curdir)/gcc/install:=$(curdir)/uClibc/compile
+  $(curdir)/uClibc/install:=$(curdir)/gcc/install

 endif
 endif

-gcc-install: uClibc-install
-
-$(STAMP):
-       mkdir -p $(shell dirname $@)
-       touch $@

 
 

-$(STAGING_DIR)/$(REAL_GNU_TARGET_NAME):
-       @mkdir -p $@
-       @ln -sf ../lib $@/lib
+$(TOOLCHAIN_DIR)/info.mk: .config
+       @for dir in $(TOOLCHAIN_DIR); do ( \
+               set -x; \
+               mkdir -p "$$dir"; \
+               cd "$$dir"; \
+               mkdir -p bin lib include stamp; \
+       ); done
+       @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
+       @touch $@

 
 

-$(TOOLCHAIN_BUILD_DIR):
-       @mkdir -p $@
+# prerequisites for the individual targets
+$(curdir)/ := .config prereq
+$(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk
+$(curdir)//compile = $(1)/prepare
+$(curdir)//install = $(1)/compile

 
 

-%-prereq %-download %-clean: FORCE
-       $(MAKE) -C $* $(patsubst $*-%,%,$@)
+$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed:

 
 

-%-prepare: $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME) $(TOOLCHAIN_BUILD_DIR)       
-       $(MAKE) -C $* $(patsubst $*-%,%,$@)
+$(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed))
+$(eval $(call subdir,$(curdir)))

 
 

-%-compile: %-prepare FORCE
-       $(MAKE) -C $* $(patsubst $*-%,%,$@)
-       
-%-install: %-compile FORCE
-       $(MAKE) -C $* $(patsubst $*-%,%,$@)