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override some variables to make sure that perforce does not mess with our build process
[openwrt.git] / rules.mk
diff --git a/rules.mk b/rules.mk
index 3f96d32..965265d 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -1,118 +1,179 @@
+#
+# Copyright (C) 2006-2008 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),)
 ifeq ($(DUMP),)
-include $(TOPDIR)/.config
+  -include $(TOPDIR)/.config
+endif
+include $(TOPDIR)/include/debug.mk
+include $(TOPDIR)/include/verbose.mk
+
+TMP_DIR:=$(TOPDIR)/tmp
+
+export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
+
+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=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=$(subst i386,i486,$(ARCH))
+
+ifeq ($(ARCH),powerpc)
+  FPIC:=-fPIC
+else
+  FPIC:=-fpic
 endif
 
 endif
 
-SHELL=/bin/bash
-export SHELL
+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)/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)_$(LIBC)-$(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)_$(LIBC)-$(LIBCV)
+PACKAGE_DIR:=$(BIN_DIR)/packages/target-$(ARCH)_$(LIBC)-$(LIBCV)
+STAMP_DIR:=$(BUILD_DIR)/stamp
+STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
+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-$(BOARD)
+
+TARGET_PATH:=$(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))
 
 
-ifdef V
-  ifeq ("$(origin V)", "command line")
-    KBUILD_VERBOSE = $(V)
-  endif
+ifndef DUMP
+ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
+  -include $(TOOLCHAIN_DIR)/info.mk
+  REAL_GNU_TARGET_NAME=$(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
-ifndef KBUILD_VERBOSE
-  KBUILD_VERBOSE = 0
 endif
 
 endif
 
-ifneq ($(KBUILD_VERBOSE),0)
-  quiet =
-  Q =
+ifeq ($(CONFIG_SOFT_FLOAT),y)
+  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
+  TARGET_CFLAGS+= -msoft-float
 else
 else
-  quiet=quiet_
-  Q = @
+  SOFT_FLOAT_CONFIG_OPTION:=
 endif
 
 endif
 
+export PATH:=$(TARGET_PATH)
+export STAGING_DIR
+export GCC_HONOUR_COPTS:=0
 
 
-CP=cp -fpR
-BUILD_MAKEFLAGS= V=$(V) $(EXTRA_MAKEFLAGS)
-MAKEFLAGS=$(BUILD_MAKEFLAGS)
-# Strip off the annoying quoting
-ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
-WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
-TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
-#"))"))"))"))")) # for vim's broken syntax highlighting :)
+PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 
 
-ifeq ($(CONFIG_TAR_VERBOSITY),y)
-TAR_OPTIONS=-xvf
+export PKG_CONFIG
+
+HOSTCC:=gcc
+HOST_CFLAGS:=-O2 -I$(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
+CP:=cp -fpR
+
+INSTALL_BIN:=install -m0755
+INSTALL_DIR:=install -d -m0755
+INSTALL_DATA:=install -m0644
+INSTALL_CONF:=install -m0600
+
+ifneq ($(CONFIG_CCACHE),)
+  # FIXME: move this variable to a better location
+  export CCACHE_DIR=$(STAGING_DIR)/ccache
+  TARGET_CC:= ccache $(TARGET_CC)
+endif
+
+TARGET_CONFIGURE_OPTS:= \
+  AR=$(TARGET_CROSS)ar \
+  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
+  LD=$(TARGET_CROSS)ld \
+  NM=$(TARGET_CROSS)nm \
+  CC="$(TARGET_CC)" \
+  GCC="$(TARGET_CC)" \
+  CXX="$(TARGET_CXX)" \
+  RANLIB=$(TARGET_CROSS)ranlib \
+  STRIP=$(TARGET_CROSS)strip \
+  OBJCOPY=$(TARGET_CROSS)objcopy \
+  OBJDUMP=$(TARGET_CROSS)objdump \
+  SIZE=$(TARGET_CROSS)size
+
+# strip an entire directory
+ifneq ($(CONFIG_NO_STRIP),)
+  RSTRIP:=:
+else
+  RSTRIP:= \
+    NM="$(TARGET_CROSS)nm" \
+    STRIP="$(STRIP)" \
+    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
+    $(SCRIPT_DIR)/rstrip.sh
+endif
+
+ifeq ($(CONFIG_ENABLE_LOCALE),true)
+  DISABLE_NLS:=
 else
 else
-TAR_OPTIONS=-xf
+  DISABLE_NLS:=--disable-nls
 endif
 
 ifneq ($(CONFIG_LARGEFILE),y)
 endif
 
 ifneq ($(CONFIG_LARGEFILE),y)
-DISABLE_LARGEFILE= --disable-largefile
+  DISABLE_LARGEFILE= --disable-largefile
 endif
 endif
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
 
 
-OPTIMIZE_FOR_CPU=$(ARCH)
-HOSTCC:=gcc
-BASE_DIR:=$(TOPDIR)
-INCLUDE_DIR:=$(TOPDIR)/include
-DL_DIR:=$(BASE_DIR)/dl
-BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)
-STAGING_DIR:=$(BASE_DIR)/staging_dir_$(ARCH)
-SCRIPT_DIR:=$(BASE_DIR)/scripts
-BIN_DIR:=$(BASE_DIR)/bin
-STAMP_DIR:=$(BUILD_DIR)/stamp
-PACKAGE_DIR:=$(BIN_DIR)/packages
-STAMP_DIR:=$(BUILD_DIR)/stamp
-TARGET_DIR:=$(BUILD_DIR)/root
-TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)
-TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
-IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
-REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
-GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
-KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
-TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
-TARGET_CC:=$(TARGET_CROSS)gcc
-STRIP:=$(STAGING_DIR)/bin/sstrip
-PATCH=$(SCRIPT_DIR)/patch-kernel.sh
-SED:=$(STAGING_DIR)/bin/sed -i -e
-LINUX_DIR:=$(BUILD_DIR)/linux
-LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
-
-
-HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
-       -e 's/sparc.*/sparc/' \
-       -e 's/arm.*/arm/g' \
-       -e 's/m68k.*/m68k/' \
-       -e 's/ppc/powerpc/g' \
-       -e 's/v850.*/v850/g' \
-       -e 's/sh[234]/sh/' \
-       -e 's/mips-.*/mips/' \
-       -e 's/mipsel-.*/mipsel/' \
-       -e 's/cris.*/cris/' \
-       -e 's/i[3-9]86/i386/' \
-       )
-GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
-TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
-               AR=$(TARGET_CROSS)ar \
-               AS=$(TARGET_CROSS)as \
-               LD=$(TARGET_CROSS)ld \
-               NM=$(TARGET_CROSS)nm \
-               CC=$(TARGET_CROSS)gcc \
-               GCC=$(TARGET_CROSS)gcc \
-               CXX=$(TARGET_CROSS)g++ \
-               RANLIB=$(TARGET_CROSS)ranlib
-
-ifeq ($(ENABLE_LOCALE),true)
-DISABLE_NLS:=
+ifeq ($(CONFIG_TAR_VERBOSITY),y)
+  TAR_OPTIONS:=-xvf -
 else
 else
-DISABLE_NLS:=--disable-nls
+  TAR_OPTIONS:=-xf -
 endif
 
 endif
 
-ifeq ($(CONFIG_ENABLE_MULTILIB),y)
-MULTILIB:=--enable-multilib
-endif
+define shvar
+V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
+endef
 
 
-# invoke ipkg-build with some default options
-IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
-# where to build (and put) .ipk packages
-IPKG_TARGET_DIR := $(PACKAGE_DIR)
-IPKG:=IPKG_TMP=$(BUILD_DIR)/tmp IPKG_INSTROOT=$(TARGET_DIR) IPKG_CONF_DIR=$(STAGING_DIR)/etc IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
-IPKG_STATE_DIR := $(TARGET_DIR)/usr/lib/ipkg
+define shexport
+$(call shvar,$(1))=$$(call $(1))
+export $(call shvar,$(1))
+endef
 
 
-RSTRIP:=STRIP="$(STRIP)" STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
+# file extension
+ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 
 all:
 
 all:
+FORCE: ;
 .PHONY: FORCE
 .PHONY: FORCE
-FORCE:
+
+endif #__rules_inc
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