build system cleanup/restructuring as described in http://lists.openwrt.org/pipermail/openwrt-devel/2007-August/001159.html

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8362 3c298f89-4303-0410-b956-a3cf2f4a3e73

8 files changed, 43 insertions, 37 deletions

diff --git a/include/host-build.mk b/include/host-build.mk
index f4b6b449e1..47ec9b0d3a 100644
--- a/include/host-build.mk
+++ b/include/host-build.mk
@@ -5,6 +5,9 @@
 # See /LICENSE for more information.
 #
 
+PKG_BUILD_DIR ?= $(BUILD_DIR_HOST)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
+PKG_INSTALL_DIR ?= $(PKG_BUILD_DIR)/host-install
+
 include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/unpack.mk
 include $(INCLUDE_DIR)/depends.mk
@@ -12,6 +15,8 @@ include $(INCLUDE_DIR)/depends.mk
 STAMP_PREPARED:=$(PKG_BUILD_DIR)/.prepared_$(shell find ${CURDIR} $(PKG_FILE_DEPEND) $(DEP_FINDPARAMS) | md5s)
 STAMP_CONFIGURED:=$(PKG_BUILD_DIR)/.configured
 STAMP_BUILT:=$(PKG_BUILD_DIR)/.built
+STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.$(PKG_NAME)_installed
+
 override MAKEFLAGS=
 
 include $(INCLUDE_DIR)/quilt.mk
@@ -33,24 +38,19 @@ define Build/Configure/Default
 	[ -x configure ] && \
 		$(CP) $(SCRIPT_DIR)/config.{guess,sub} $(PKG_BUILD_DIR)/$(3)/ && \
 		$(2) \
-		CPPFLAGS="-I$(STAGING_DIR)/host/include" \
-		LDFLAGS="-L$(STAGING_DIR)/host/lib" \
+		CPPFLAGS="$(HOST_CFLAGS)" \
+		LDFLAGS="$(HOST_LDFLAGS)" \
+		SHELL="$(BASH)" \
 		./configure \
-		--target=$(GNU_TARGET_NAME) \
-		--host=$(GNU_TARGET_NAME) \
+		--target=$(GNU_HOST_NAME) \
+		--host=$(GNU_HOST_NAME) \
 		--build=$(GNU_HOST_NAME) \
 		--program-prefix="" \
 		--program-suffix="" \
-		--prefix=/usr \
-		--exec-prefix=/usr \
-		--bindir=/usr/bin \
-		--sbindir=/usr/sbin \
-		--libexecdir=/usr/lib \
-		--sysconfdir=/etc \
-		--datadir=/usr/share \
-		--localstatedir=/var \
-		--mandir=/usr/man \
-		--infodir=/usr/info \
+		--prefix=$(STAGING_DIR_HOST) \
+		--exec-prefix=$(STAGING_DIR_HOST) \
+		--sysconfdir=$(STAGING_DIR_HOST)/etc \
+		--localstatedir=$(STAGING_DIR_HOST)/var \
 		$(DISABLE_NLS) \
 		$(1); \
 		true; \
@@ -84,7 +84,7 @@ ifneq ($(if $(QUILT),,$(CONFIG_AUTOREBUILD)),)
   define HostBuild/Autoclean
     $(PKG_BUILD_DIR)/.dep_files: $(STAMP_PREPARED)
     $(call rdep,${CURDIR} $(PKG_FILE_DEPEND),$(STAMP_PREPARED))
-    $(if $(filter prepare,$(MAKECMDGOALS)),,$(call rdep,$(PKG_BUILD_DIR),$(STAMP_BUILT),$(PKG_BUILD_DIR)/.dep_files, -and -not -path "/.*" -and -not -path "*/ipkg*"))
+    $(if $(if $(Build/Compile),$(filter prepare,$(MAKECMDGOALS)),1),,$(call rdep,$(PKG_BUILD_DIR),$(STAMP_BUILT),$(PKG_BUILD_DIR)/.dep_files, -and -not -path "/.*" -and -not -path "*/ipkg*"))
   endef
 endif
 
@@ -107,19 +107,19 @@ define HostBuild
 	$(call Build/Compile)
 	touch $$@
 
-  $(STAGING_DIR)/stampfiles/.host_$(PKG_NAME)-installed: $(STAMP_BUILT)
+  $(STAMP_INSTALLED): $(STAMP_BUILT)
 	$(call Build/Install)
 	mkdir -p $$(shell dirname $$@)
 	touch $$@
 	
   ifdef Build/Install
-    install: $(STAGING_DIR)/stampfiles/.host_$(PKG_NAME)-installed
+    install: $(STAMP_INSTALLED)
   endif
 
   package-clean: FORCE
 	$(call Build/Clean)
 	$(call Build/Uninstall)
-	rm -f $(STAGING_DIR)/stampfiles/.host_$(PKG_NAME)-installed
+	rm -f $(STAMP_INSTALLED) $(STAMP_BUILT)
 
   download:
   prepare: $(STAMP_PREPARED)
diff --git a/include/image.mk b/include/image.mk
index b094428770..fa08372007 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/host.mk
 
 override MAKEFLAGS=
 override MAKE:=$(SUBMAKE)
-KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
+KDIR=$(KERNEL_BUILD_DIR)
 
 ifneq ($(CONFIG_BIG_ENDIAN),y)
 JFFS2OPTS     :=  --pad --little-endian --squash
@@ -40,27 +40,27 @@ ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
     define Image/mkfs/jffs2/sub
 		# FIXME: removing this line will cause strange behaviour in the foreach loop below
-		$(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(BUILD_DIR)/root
+		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR)
 		$(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
 		$(call Image/Build,jffs2-$(1))
     endef
     define Image/mkfs/jffs2
-		rm -rf $(BUILD_DIR)/root/jffs
+		rm -rf $(TARGET_DIR)/jffs
 		$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
     endef
   endif
     
   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
     define Image/mkfs/squashfs
-		@mkdir -p $(BUILD_DIR)/root/jffs
-		$(STAGING_DIR)/bin/mksquashfs-lzma $(BUILD_DIR)/root $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
+		@mkdir -p $(TARGET_DIR)/jffs
+		$(STAGING_DIR_HOST)/bin/mksquashfs-lzma $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
 		$(call Image/Build,squashfs)
     endef
   endif
     
   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
     define Image/mkfs/tgz
-		$(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
+		$(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(TARGET_DIR)/ .
     endef
   endif
 else
@@ -75,18 +75,18 @@ ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
   
   define Image/mkfs/ext2
-		$(STAGING_DIR)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
+		$(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
 		$(call Image/Build,ext2)
   endef
 endif
 
 
 define Image/mkfs/prepare/default
-	find $(BUILD_DIR)/root -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
-	find $(BUILD_DIR)/root -type f -perm +0100 | $(XARGS) chmod 0755
-	find $(BUILD_DIR)/root -type d | $(XARGS) chmod 0755
-	mkdir -p $(BUILD_DIR)/root/tmp
-	chmod 0777 $(BUILD_DIR)/root/tmp
+	find $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
+	find $(TARGET_DIR) -type f -perm +0100 | $(XARGS) chmod 0755
+	find $(TARGET_DIR) -type d | $(XARGS) chmod 0755
+	$(INSTALL_DIR) $(TARGET_DIR)/tmp
+	chmod 0777 $(TARGET_DIR)/tmp
 endef
 
 define Image/mkfs/prepare
diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index da1fe39bca..8750bb4fd5 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -167,6 +167,8 @@ $(eval $(call shexport,Target/Description))
 download: $(DL_DIR)/$(LINUX_SOURCE)
 prepare: $(STAMP_CONFIGURED)
 compile: $(LINUX_DIR)/.modules
+	$(MAKE) -C image compile
+
 oldconfig menuconfig: $(STAMP_PREPARED) FORCE
 	$(call Kernel/Configure)
 	$(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) > $(LINUX_DIR)/.config
diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index 5bbff3eeb6..3916483adf 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -67,7 +67,7 @@ ifeq ($(KERNEL),2.6)
     define Kernel/SetInitramfs
 		mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
 		grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
-		echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
+		echo 'CONFIG_INITRAMFS_SOURCE="$(TARGET_DIR)"' >> $(LINUX_DIR)/.config
 		echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
 		echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
     endef
@@ -75,7 +75,7 @@ ifeq ($(KERNEL),2.6)
     define Kernel/SetInitramfs
 		mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
 		grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
-		rm -f $(BUILD_DIR)/root/init
+		rm -f $(TARGET_DIR)/init
 		echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
     endef
   endif
diff --git a/include/kernel.mk b/include/kernel.mk
index 3fa576efdc..df859a42b0 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -30,9 +30,9 @@ else
 
   KERNEL_PATCHVER:=$(shell echo $(LINUX_VERSION) | cut -d. -f1,2,3 | cut -d- -f1)
   PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)
-  PATCH_DIR := ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-  KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
-  LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
+  PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
+  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(KERNEL)-$(BOARD)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
   TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
diff --git a/include/package.mk b/include/package.mk
index 153b138034..4ef3489294 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -9,6 +9,7 @@ all: $(if $(DUMP),dumpinfo,compile)
 
 PKG_BUILD_DIR ?= $(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
 PKG_INSTALL_DIR ?= $(PKG_BUILD_DIR)/ipkg-install
+PKG_MD5SUM ?= unknown
 
 include $(INCLUDE_DIR)/prereq.mk
 include $(INCLUDE_DIR)/host.mk
diff --git a/include/subdir.mk b/include/subdir.mk
index e985c30ff0..28b01b6370 100644
--- a/include/subdir.mk
+++ b/include/subdir.mk
@@ -37,7 +37,7 @@ endef
 # Parameters: <subdir> <name> <target>
 define stampfile
   $(1)/stamp-$(3):=$(STAGING_DIR)/stampfiles/.$(2)_$(3)
-  $(if __rdep_$(1),,
+  $(if $(__rdep_$(1)),,
     $(call rdep,$(1),$$($(1)/stamp-$(3)),)
     __rdep_$(1):=1
   )
diff --git a/include/toplevel.mk b/include/toplevel.mk
index af4b390e4e..e456264221 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -94,7 +94,7 @@ download: .config FORCE
 	$(MAKE) -j1 package/download
 	$(MAKE) -j1 target/download
 
-clean dirclean distclean:
+clean dirclean:
 	@$(MAKE) $@ 
 
 prereq:: .config
@@ -118,6 +118,9 @@ symlinkclean:
 	-find package -type l | xargs rm -f
 	rm -rf tmp
 
+distclean:
+	rm -rf tmp build_dir staging_dir dl .config*
+
 ifeq ($(findstring v,$(DEBUG)),)
   .SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig tmp/.prereq-build tmp/.prereq-package tmp/.prereq-target prepare-tmpinfo
 endif