build system cleanup/restructuring as described in http://lists.openwrt.org/pipermail...

[openwrt.git] / tools / Makefile

diff --git a/tools/Makefile b/tools/Makefile
index 741fd48..d1ca650 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,63 +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 $(TOPDIR)/rules.mk
-TARGETS-y:=sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage
-
-TARGETS_DOWNLOAD:=$(patsubst %,%-download,$(TARGETS-y))
-TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS-y))
-TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS-y))
-
-all: install
-download: $(TARGETS_DOWNLOAD)
-install: $(TARGETS_INSTALL)
-clean: $(TARGETS_CLEAN)
-
-squashfs-compile: lzma-install
-
-TOOL_STAMP_DIR:=$(STAGING_DIR)/stampfiles
-
-$(TOOL_STAMP_DIR):
-       mkdir -p $@
-
-$(STAGING_DIR):
-       @mkdir -p $@/lib
-       @mkdir -p $@/include
-       @mkdir -p $@/include-host
-       $(CP) ./include/*.h $@/include-host/
-       @ln -sf ../lib $@/$(REAL_GNU_TARGET_NAME)/lib
-       @mkdir -p $@/$(REAL_GNU_TARGET_NAME)
-
-$(TOOL_BUILD_DIR):
-       @mkdir -p $@
-
-%-download: FORCE
-       $(MAKE) -C $(patsubst %-download,%,$@) download
-
-%-prepare: $(TOOL_STAMP_DIR) $(STAGING_DIR) $(TOOL_BUILD_DIR) FORCE
-       @[ -f $(TOOL_STAMP_DIR)/.tool_$@ ] || { \
-               $(MAKE) -C $(patsubst %-prepare,%,$@) prepare; \
-       }
-       @touch $(TOOL_STAMP_DIR)/.tool_$@
-
-%-compile: %-prepare 
-       @[ -f $(TOOL_STAMP_DIR)/.tool_$@ ] || { \
-               $(MAKE) -C $(patsubst %-compile,%,$@) compile; \
-       }
-       @touch $(TOOL_STAMP_DIR)/.tool_$@
-
-%-install: %-compile
-       @[ -f $(TOOL_STAMP_DIR)/.tool_$@ ] || { \
-               $(MAKE) -C $(patsubst %-install,%,$@) install; \
-       }
-       @touch $(TOOL_STAMP_DIR)/.tool_$@
-
-%-clean: FORCE
-       @$(MAKE) -C $(patsubst %-clean,%,$@) clean
-       @rm -f $(TOOL_STAMP_DIR)/.tool_$(patsubst %-clean,%,$@)-*
-
+curdir:=tools
+
+# subdirectories to descend into
+$(curdir)/builddirs := sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage firmware-utils patch-cmdline $(if $(CONFIG_CCACHE),ccache)
+
+# builddir dependencies
+$(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 $@
+
+$(curdir)//prepare = $(STAGING_DIR)/.prepared
+$(curdir)//compile = $(STAGING_DIR)/.prepared
+
+# prerequisites for the individual targets
+$(curdir)/ := .config prereq
+$(curdir)//install = $(1)/compile
+
+$(eval $(call stampfile,$(curdir),tools,install))
+$(eval $(call subdir,$(curdir)))