only build dtc for the target that uses it

[openwrt.git] / tools / Makefile

diff --git a/tools/Makefile b/tools/Makefile
index d03ab38..e1f5d8c 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,48 +1,37 @@
 # 
-# 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 host tools
 #
-include $(TOPDIR)/rules.mk
-TARGETS-y:=sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage firmware-utils
-
-TARGETS_DOWNLOAD:=$(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/.tools_installed
-
-all: install
-download: $(TARGETS_DOWNLOAD)
-compile: $(TARGETS_COMPILE)
-install: $(STAMP)
-clean: $(TARGETS_CLEAN)
-
-squashfs-compile: lzma-install
-
-ifneq ($(shell $(SCRIPT_DIR)/timestamp.pl -p . $(STAMP)),$(STAMP))
-  $(STAMP): $(TARGETS_INSTALL)
-endif
-
-$(STAMP):
-       mkdir -p $(shell dirname $@)
+curdir:=tools
+
+# subdirectories to descend into
+$(curdir)/builddirs := sed sstrip ipkg-utils genext2fs squashfs mtd-utils lzma mkimage firmware-utils patch-cmdline pkg-config automake $(if $(CONFIG_CCACHE),ccache) bison $(if $(CONFIG_TARGET_ppc40x),dtc)
+
+# builddir dependencies
+$(curdir)/squashfs/compile := $(curdir)/lzma/install
+
+# preparatory work
+$(STAGING_DIR)/.prepared: $(TMP_DIR)/.build
+       @for dir in $(STAGING_DIR) $(STAGING_DIR_HOST); do ( \
+               set -x; \
+               mkdir -p "$$dir"; \
+               cd "$$dir"; \
+               mkdir -p bin lib include stamp; \
+       ); done
+       mkdir -p $(BUILD_DIR_HOST)/stamp $(BUILD_DIR)/stamp
+       $(INSTALL_DATA) $(TOPDIR)/tools/include/*.h $(STAGING_DIR_HOST)/include/
        touch $@
-       
-$(STAGING_DIR)/include-host:
-       @mkdir -p $@
-       @$(CP) ./include/*.h $@/
 
-$(TOOL_BUILD_DIR):
-       @mkdir -p $@
+$(curdir)//prepare = $(STAGING_DIR)/.prepared
+$(curdir)//compile = $(STAGING_DIR)/.prepared
 
-$(eval $(call default_subtargets,$(STAGING_DIR)/include-host $(TOOL_BUILD_DIR)))
+# prerequisites for the individual targets
+$(curdir)/ := .config prereq
+$(curdir)//install = $(1)/compile
 
-ifeq ($(MAKECMDGOALS),install-targets)
-MAKEFLAGS:=$(MAKEFLAGS) -j$(CONFIG_JLEVEL)
-else
-.NOTPARALLEL:
-endif
+$(eval $(call stampfile,$(curdir),tools,install))
+$(eval $(call subdir,$(curdir)))