add a "make prepare" target which builds everything up to target/compile, useful...

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 7153a04..c3adb1d 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -1,5 +1,5 @@
-# 
-# Copyright (C) 2006-2007 OpenWrt.org
+#
+# Copyright (C) 2006-2008 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -18,60 +18,76 @@ TMP_DIR:=$(TOPDIR)/tmp
 
 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
 
-define qstrip
-$(strip $(subst ",,$(1)))
-endef
+qstrip=$(strip $(subst ",,$(1)))
 #"))
 
 empty:=
 space:= $(empty) $(empty)
 merge=$(subst $(space),,$(1))
 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
 
-_SINGLE=MAKEFLAGS=$(space)
-ARCH:=$(call qstrip,$(shell echo $(CONFIG_ARCH) | sed -e 's/i[3-9]86/i386/'))
+_SINGLE=export MAKEFLAGS=$(space);
+CFLAGS:=
+ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
+TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
 GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
+LIBC:=$(call qstrip,$(CONFIG_LIBC))
+LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
 
-OPTIMIZE_FOR_CPU=$(ARCH)
+OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
+
+ifeq ($(ARCH),powerpc)
+  FPIC:=-fPIC
+else
+  FPIC:=-fpic
+endif
 
 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:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
 BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
-BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc$(GCCV)
-STAGING_DIR:=$(TOPDIR)/staging_dir/$(ARCH)
+BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
+STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
 STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
-TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc$(GCCV)
-PACKAGE_DIR:=$(BIN_DIR)/packages/$(ARCH)
+TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
+PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
 STAMP_DIR:=$(BUILD_DIR)/stamp
 STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
-TARGET_DIR:=$(BUILD_DIR)/root-$(BOARD)
-IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
+TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
+TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
+DEBUG_DIR:=$(BUILD_DIR)/debug-$(BOARD)
+BUILD_LOG_DIR:=$(TOPDIR)/logs
+
+TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(STAGING_DIR_HOST)/bin:$(PATH)
+TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
+TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
+TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
+TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
+LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-lgcc_s,$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a))
 
+ifndef DUMP
 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
   -include $(TOOLCHAIN_DIR)/info.mk
-  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)
-  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
-  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-linux-uclibc$(if $(CONFIG_EABI_SUPPORT),gnueabi)-)
+  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
+  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
+  TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
+  TARGET_CFLAGS+= -fhonour-copts
+endif
 endif
-
-TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(STAGING_DIR_HOST)/bin:$(STAGING_DIR)/host/bin:$(PATH)
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) -fhonour-copts
-TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
-TARGET_LDFLAGS:=-L$(TOOLCHAIN_DIR)/lib -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 
 ifeq ($(CONFIG_SOFT_FLOAT),y)
-SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
-TARGET_CFLAGS+=-msoft-float
+  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
+  TARGET_CFLAGS+= -msoft-float
 else
-SOFT_FLOAT_CONFIG_OPTION:=
+  SOFT_FLOAT_CONFIG_OPTION:=
 endif
 
 export PATH:=$(TARGET_PATH)
@@ -82,13 +98,12 @@ PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 
 export PKG_CONFIG
 
-LINUX_HEADERS_DIR:=$(BUILD_DIR_TOOLCHAIN)/linux
-
 HOSTCC:=gcc
 HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 
 TARGET_CC:=$(TARGET_CROSS)gcc
+TARGET_CXX:=$(TARGET_CROSS)g++
 STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
@@ -112,7 +127,7 @@ TARGET_CONFIGURE_OPTS:= \
   NM=$(TARGET_CROSS)nm \
   CC="$(TARGET_CC)" \
   GCC="$(TARGET_CC)" \
-  CXX=$(TARGET_CROSS)g++ \
+  CXX="$(TARGET_CXX)" \
   RANLIB=$(TARGET_CROSS)ranlib \
   STRIP=$(TARGET_CROSS)strip \
   OBJCOPY=$(TARGET_CROSS)objcopy \
@@ -120,7 +135,7 @@ TARGET_CONFIGURE_OPTS:= \
   SIZE=$(TARGET_CROSS)size
 
 # strip an entire directory
-ifneq ($(CONFIG_BUILD_DEVELOPER_SYSTEM),)
+ifneq ($(CONFIG_NO_STRIP),)
   RSTRIP:=:
 else
   RSTRIP:= \