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-rw-r--r--Makefile13
-rw-r--r--include/subdir.mk63
-rw-r--r--tools/Makefile64
3 files changed, 86 insertions, 54 deletions
diff --git a/Makefile b/Makefile
index dbb4a0cce..ad3b3b8e1 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,10 @@ export LANG=C
export TOPDIR=${CURDIR}
export IS_TTY=$(shell tty -s && echo 1 || echo 0)
-include $(TOPDIR)/include/verbose.mk
+include ./rules.mk
+include $(INCLUDE_DIR)/depends.mk
+include $(INCLUDE_DIR)/subdir.mk
+include tools/Makefile
OPENWRTVERSION:=$(RELEASE)
ifneq ($(VERSION),)
@@ -100,7 +103,7 @@ kernel_menuconfig: .config FORCE
package/% target/%: tmp/.packageinfo
toolchain/% package/% target/%: tmp/.targetinfo
-package/% target/% tools/% toolchain/%: FORCE
+package/% target/% toolchain/%: FORCE
$(MAKE) -C $(patsubst %/$*,%,$@) $*
@@ -130,8 +133,7 @@ download: .config FORCE
$(MAKE) package/download
$(MAKE) target/download
-world: .config FORCE
- $(MAKE) tools/install
+world: .config $(tools/stamp) FORCE
$(MAKE) toolchain/install
$(MAKE) target/compile
$(MAKE) package/compile
@@ -162,5 +164,4 @@ symlinkclean:
rm -rf tmp
.SILENT: clean dirclean distclean symlinkclean config-clean download world help tmp/.packageinfo tmp/.targetinfo tmpinfo-clean tmp/.config-package.in tmp/.config-target.in .config scripts/config/mconf scripts/config/conf menuconfig tmp/.prereq-build tmp/.prereq-package tmp/.prereq-target
-FORCE: ;
-.PHONY: FORCE help
+.PHONY: help
diff --git a/include/subdir.mk b/include/subdir.mk
new file mode 100644
index 000000000..81a6f2a42
--- /dev/null
+++ b/include/subdir.mk
@@ -0,0 +1,63 @@
+# debug flags:
+#
+# d: show subdirectory tree
+# t: show added targets
+# l: show legacy targets
+
+ifeq ($(DEBUG),all)
+ build_debug:=dt
+else
+ build_debug:=$(DEBUG)
+endif
+
+define debug
+$$(findstring $(2),$$(if $$(DEBUG_DIR),$$(if $$(filter $$(DEBUG_DIR)%,$(1)),$(build_debug)),$(build_debug)))
+endef
+
+define warn
+$$(if $(call debug,$(1),$(2)),$$(warning $(3)))
+endef
+
+define warn_eval
+$(call warn,$(1),$(2),$(3) $(4))
+$(4)
+endef
+
+dep/compile=$(1)/prepare
+dep/install=$(1)/compile
+SUBTARGETS:=clean download prepare compile install update refresh prereq
+
+# Parameters: <subdir>
+define subdir
+ $(call warn,$(1),d,D $(1))
+ $(foreach bd,$($(1)/builddirs),
+ $(call warn,$(1),d,BD $(1)/$(bd))
+ $(foreach target,$(SUBTARGETS),
+ $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(call dep/$(target),$(1)/$(bd)) $($(1)/$(bd)/$(target)) $($(1)//$(target)))
+ @$$(MAKE) -j1 -C $(1)/$(bd) $(target)
+
+ # legacy targets
+ $(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
+ )
+ )
+ $(foreach target,$(SUBTARGETS),
+ $(call warn_eval,$(1),t,T,$(1)/$(target): $($(1)/) $(foreach bd,$($(1)/builddirs),$(1)/$(bd)/$(target)))
+ )
+endef
+
+# Parameters: <subdir> <name>
+define stampfile
+ $(1)/stamp:=$(STAGING_DIR)/stampfiles/.$(2)_installed
+ $(call rdep,$(1),$$($(1)/stamp))
+
+ $$($(1)/stamp):
+ @$(MAKE) $(1)/install
+ @mkdir -p $$$$(dirname $$($(1)/stamp))
+ @touch $$($(1)/stamp)
+ .PRECIOUS: $$($(1)/stamp) # work around a make bug
+
+ $(1)//clean:=$(1)/stamp/clean
+ $(1)/stamp/clean: FORCE
+ @rm -f $$($(1)/stamp)
+
+endef
diff --git a/tools/Makefile b/tools/Makefile
index 68e7dab53..0d6b51597 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -1,60 +1,28 @@
#
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# Main makefile for the host tools
#
-include $(TOPDIR)/rules.mk
-TARGETS-y:=sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage firmware-utils patch-cmdline
-TARGETS-$(CONFIG_CCACHE) += ccache
-TARGETS_DOWNLOAD:=$(patsubst %,%-download,$(TARGETS-y))
-TARGETS_PREPARE:=$(patsubst %,%-prepare,$(TARGETS-y))
-TARGETS_COMPILE:=$(patsubst %,%-compile,$(TARGETS-y))
-TARGETS_INSTALL:=$(patsubst %,%-install,$(TARGETS-y))
-TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS-y))
-STAMP:=$(STAGING_DIR)/stampfiles/.tools_installed
+curdir:=$(patsubst %/Makefile,%,$(lastword $(MAKEFILE_LIST)))
-all: install
-download: $(TARGETS_DOWNLOAD)
-compile: $(TARGETS_COMPILE)
-install: $(STAMP)
-clean: $(TARGETS_CLEAN)
+# subdirectories to descend into
+$(curdir)/builddirs := sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage firmware-utils patch-cmdline $(if $(CONFIG_CCACHE),ccache)
-squashfs-compile: lzma-install
+# builddir dependencies
+$(curdir)/squashfs/compile := $(curdir)/lzma/install
-ifneq ($(shell $(SCRIPT_DIR)/timestamp.pl -p . $(STAMP)),$(STAMP))
- $(STAMP): $(TARGETS_INSTALL)
-endif
+# preparatory work
+$(STAGING_DIR)/include-host/.done:
+ @mkdir -p $$(dirname $@)
+ @cp $(curdir)/include/*.h $$(dirname $@)/
+ @touch $@
-$(STAMP): $(TOPDIR)/.config
- mkdir -p $(shell dirname $@)
- touch $@
-
-TOOL_HOST_INCLUDES:=$(patsubst ./include/%.h,$(STAGING_DIR)/include-host/%.h,$(wildcard ./include/*.h))
-$(TOOL_HOST_INCLUDES): $(STAGING_DIR)/include-host/%.h: ./include/%.h
- @mkdir -p $(STAGING_DIR)/include-host
- $(CP) $< $@
-
-$(TOOL_BUILD_DIR):
- @mkdir -p $@
-
-%-prereq %-download %-clean %-refresh %-update: FORCE
- $(MAKE) -C $* $(patsubst $*-%,%,$@)
-
-%-prepare: $(TOOL_HOST_INCLUDES) $(TOOL_BUILD_DIR) FORCE
- $(MAKE) -C $* $(patsubst $*-%,%,$@)
-
-%-compile: %-prepare FORCE
- $(MAKE) -C $* $(patsubst $*-%,%,$@)
-
-%-install: %-compile FORCE
- $(MAKE) -C $* $(patsubst $*-%,%,$@)
-
-ifeq ($(MAKECMDGOALS),install-targets)
-MAKEFLAGS:=$(MAKEFLAGS) -j$(CONFIG_JLEVEL)
-else
-.NOTPARALLEL:
-endif
+# prerequisites for the individual targets
+$(curdir)/ := .config
+$(curdir)//prepare := $(STAGING_DIR)/include-host/.done
+$(eval $(call stampfile,$(curdir),tools))
+$(eval $(call subdir,$(curdir)))