add external kernel tree support

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index b817537..d36c994 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -1,10 +1,13 @@
 # 
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006-2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
+ifneq ($(__rules_inc),1)
+__rules_inc=1
+
 ifeq ($(DUMP),)
   -include $(TOPDIR)/.config
 endif
@@ -13,8 +16,6 @@ include $(TOPDIR)/include/verbose.mk
 
 TMP_DIR:=$(TOPDIR)/tmp
 
-include $(TOPDIR)/include/target.mk
-
 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
 
 define qstrip
@@ -22,7 +23,8 @@ $(strip $(subst ",,$(1)))
 endef
 #"))
 
-ARCH:=$(call qstrip,$(CONFIG_ARCH))
+ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
+BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
@@ -30,14 +32,14 @@ SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
 
 OPTIMIZE_FOR_CPU:=$(ARCH)
 
-DL_DIR:=$(TOPDIR)/dl
+DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
 BIN_DIR:=$(TOPDIR)/bin
 INCLUDE_DIR:=$(TOPDIR)/include
 SCRIPT_DIR:=$(TOPDIR)/scripts
 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
 BUILD_DIR:=$(BUILD_DIR_BASE)/$(ARCH)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
-BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)
+BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
 STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
@@ -56,8 +58,16 @@ endif
 
 TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/usr/bin:$(PATH)
 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
+TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
+TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 
 export PATH:=$(TARGET_PATH)
+export STAGING_DIR
+export GCC_HONOUR_COPTS:=0
+
+PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
+
+export PKG_CONFIG
 
 LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
 
@@ -82,10 +92,6 @@ ifneq ($(CONFIG_CCACHE),)
   TARGET_CC:= ccache $(TARGET_CC)
 endif
 
-EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
-EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
-EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
-
 TARGET_CONFIGURE_OPTS:= \
   AR=$(TARGET_CROSS)ar \
   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
@@ -132,6 +138,16 @@ $(call shvar,$(1))=$$(call $(1))
 export $(call shvar,$(1))
 endef
 
+empty:=
+space:= $(empty) $(empty)
+merge=$(subst $(space),,$(1))
+confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+
+# file extension
+ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
+
 all:
 FORCE: ;
 .PHONY: FORCE
+
+endif #__rules_inc