optimize tools/ directory build order to improve parallel building performance
[openwrt/staging/chunkeey.git] / tools / Makefile
1 #
2 # Copyright (C) 2007 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7 # Main makefile for the host tools
8 #
9 curdir:=tools
10
11 # subdirectories to descend into
12 tools-y :=
13 tools-$(CONFIG_GCC_VERSION_4_3)$(CONFIG_GCC_VERSION_4_4) += gmp mpfr
14 tools-y += m4 autoconf automake bison pkg-config sed
15 tools-y += sstrip ipkg-utils genext2fs squashfs mtd-utils lzma mkimage
16 tools-y += firmware-utils patch-cmdline quilt yaffs2
17
18 tools-$(CONFIG_CCACHE) += ccache
19 tools-$(CONFIG_powerpc) += dtc
20
21 # builddir dependencies
22 $(curdir)/squashfs/compile := $(curdir)/lzma/install
23 $(curdir)/quilt/compile := $(curdir)/sed/install
24 $(curdir)/dtc/compile := $(curdir)/bison/install
25 $(curdir)/autoconf/compile := $(curdir)/m4/install
26 $(curdir)/automake/compile := $(curdir)/m4/install $(curdir)/autoconf/install
27 $(curdir)/mpfr/compile := $(curdir)/gmp/install
28
29 $(curdir)/builddirs := $(tools-y) $(tools-dep) $(tools-)
30 $(curdir)/builddirs-default := $(tools-y)
31
32 # preparatory work
33 $(STAGING_DIR)/.prepared: $(TMP_DIR)/.build
34 @for dir in $(STAGING_DIR) $(STAGING_DIR_HOST); do ( \
35 set -x; \
36 mkdir -p "$$dir"; \
37 cd "$$dir"; \
38 mkdir -p bin lib include stamp; \
39 ); done
40 mkdir -p $(BUILD_DIR_HOST)/stamp $(BUILD_DIR)/stamp
41 $(INSTALL_DATA) $(TOPDIR)/tools/include/*.h $(STAGING_DIR_HOST)/include/
42 touch $@
43
44 define PrepareCommand
45 $(STAGING_DIR_HOST)/bin/$(1): $(STAGING_DIR)/.prepared
46 @mkdir -p "$$(dir $$@)"; rm -f "$$@"
47 @export FILE="$$$$(which $(2) 2>/dev/null | grep -v 'not found' | head -n1)"; [ -n "$$$$FILE" ] || { \
48 echo "Command $(1) not found."; false; \
49 }; ln -s "$$$$FILE" "$$@"
50
51 endef
52
53 $(eval $(call PrepareCommand,find,gfind find))
54 $(eval $(call PrepareCommand,md5sum,md5sum $(SCRIPT_DIR)/md5sum))
55 $(eval $(call PrepareCommand,cp,gcp cp))
56 $(eval $(call PrepareCommand,stat,gstat stat))
57
58 $(curdir)/cmddeps = $(patsubst %,$(STAGING_DIR_HOST)/bin/%,find md5sum cp stat)
59 $(curdir)//prepare = $(STAGING_DIR)/.prepared $($(curdir)/cmddeps)
60 $(curdir)//compile = $(STAGING_DIR)/.prepared $($(curdir)/cmddeps)
61
62 # prerequisites for the individual targets
63 $(curdir)/ := .config prereq
64 $(curdir)//install = $(1)/compile
65
66 $(eval $(call stampfile,$(curdir),tools,install,,CONFIG_CCACHE CONFIG_powerpc CONFIG_GCC_VERSION_4_3))
67 $(eval $(call subdir,$(curdir)))