X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/267cc36546d4741ed2b1bf63f6cae18bbfa3b2e2..8b4aee843bbd9d4e87e2c63b9c6d9d34c142a272:/rules.mk

diff --git a/rules.mk b/rules.mk
index a6188f4a6..474c0e246 100644
--- a/rules.mk
+++ b/rules.mk
@@ -1,62 +1,185 @@
-# 
-# Copyright (C) 2006 OpenWrt.org
+#
+# Copyright (C) 2006-2010 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
--include $(TOPDIR)/.config
+ifneq ($(__rules_inc),1)
+__rules_inc=1
+
+ifeq ($(DUMP),)
+  -include $(TOPDIR)/.config
+endif
+include $(TOPDIR)/include/debug.mk
 include $(TOPDIR)/include/verbose.mk
 
-export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
+TMP_DIR:=$(TOPDIR)/tmp
+
+GREP_OPTIONS=
+export GREP_OPTIONS
 
-ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
-TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
-WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
-#"))"))")) # fix vim's broken syntax highlighting
+qstrip=$(strip $(subst ",,$(1)))
+#"))
 
-OPTIMIZE_FOR_CPU:=$(ARCH)
+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))
 
-# DIRECTORIES #
+define sep
 
-DL_DIR:=$(TOPDIR)/dl
+endef
+
+_SINGLE=export MAKEFLAGS=$(space);
+CFLAGS:=
+ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
+ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
+BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
+TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
+TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
+BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
+SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
+export SHELL:=/usr/bin/env bash
+
+OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
+
+ifeq ($(ARCH),powerpc)
+  FPIC:=-fPIC
+else
+  FPIC:=-fpic
+endif
+
+HOST_FPIC:=-fPIC
+
+ARCH_SUFFIX:=
+GCC_ARCH:=
+
+ifneq ($(filter -march=armv%,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_$(patsubst -march=arm%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
+  GCC_ARCH:=$(patsubst -march=%,%,$(filter -march=armv%,$(TARGET_OPTIMIZATION)))
+endif
+ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_r2
+endif
+ifdef CONFIG_HAS_SPE_FPU
+  TARGET_SUFFIX:=$(TARGET_SUFFIX)spe
+endif
+
+DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
+BIN_DIR:=$(TOPDIR)/bin/$(BOARD)
 INCLUDE_DIR:=$(TOPDIR)/include
 SCRIPT_DIR:=$(TOPDIR)/scripts
-TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
-TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
-STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
-BIN_DIR:=$(TOPDIR)/bin
-PACKAGE_DIR:=$(BIN_DIR)/packages
-IPKG_TARGET_DIR:=$(PACKAGE_DIR)
-BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
-TMP_DIR:=$(TOPDIR)/tmp
+BUILD_DIR_BASE:=$(TOPDIR)/build_dir
+BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
+STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
+ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+  GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
+  LIBC:=$(call qstrip,$(CONFIG_LIBC))
+  LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
+  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
+  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
+  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
+  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)
+  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
+  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
+  PACKAGE_DIR:=$(BIN_DIR)/packages
+else
+  ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
+    GNU_TARGET_NAME=$(call qstrip,$(CONFIG_TARGET_NAME))
+  else
+    GNU_TARGET_NAME=$(shell gcc -dumpmachine)
+  endif
+  REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
+  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(GNU_TARGET_NAME)
+  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(GNU_TARGET_NAME)
+  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(GNU_TARGET_NAME)
+  PACKAGE_DIR:=$(BIN_DIR)/packages
+endif
 STAMP_DIR:=$(BUILD_DIR)/stamp
-TARGET_DIR:=$(BUILD_DIR)/root
-IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
+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-$(BOARD)
+STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
+BUILD_LOG_DIR:=$(TOPDIR)/logs
 
-ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
-  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
-  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
-  TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
+TARGET_PATH:=$(STAGING_DIR_HOST)/bin:$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
+TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3)
+TARGET_CPPFLAGS:=-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
+TARGET_LDFLAGS:=-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
+ifneq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+LIBGCC_S_PATH=$(realpath $(wildcard $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC))))
+LIBGCC_S=$(if $(LIBGCC_S_PATH),-L$(dir $(LIBGCC_S_PATH)) -lgcc_s)
+LIBGCC_A=$(realpath $(wildcard $(dir $(LIBGCC_S_PATH))/gcc/*/*/libgcc.a))
+else
+LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.a)
+LIBGCC_S=$(if $(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so),-L$(TOOLCHAIN_DIR)/lib -lgcc_s,$(LIBGCC_A))
+endif
+ifdef CONFIG_USE_UCLIBC
+LIBRPC=-lrpc
 endif
+LIBRPC_DEPENDS=+USE_UCLIBC:librpc
 
-IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
+ifndef DUMP
+  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+    -include $(TOOLCHAIN_DIR)/info.mk
+    export GCC_HONOUR_COPTS:=0
+    TARGET_CROSS:=$(if $(TARGET_CROSS),$(TARGET_CROSS),$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))-)
+    TARGET_CFLAGS+= -fhonour-copts $(if $(CONFIG_GCC_VERSION_4_4)$(CONFIG_GCC_VERSION_4_5),,-Wno-error=unused-but-set-variable)
+    TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
+    TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
+    TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
+  else
+    ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
+      TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
+      TOOLCHAIN_ROOT_DIR:=$(call qstrip,$(CONFIG_TOOLCHAIN_ROOT))
+      TOOLCHAIN_BIN_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_BIN_PATH)))
+      TOOLCHAIN_INC_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))
+      TOOLCHAIN_LIB_DIRS:=$(patsubst ./%,$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))
+      ifneq ($(TOOLCHAIN_BIN_DIRS),)
+        TARGET_PATH:=$(subst $(space),:,$(TOOLCHAIN_BIN_DIRS)):$(TARGET_PATH)
+      endif
+      ifneq ($(TOOLCHAIN_INC_DIRS),)
+        TARGET_CPPFLAGS+= $(patsubst %,-I%,$(TOOLCHAIN_INC_DIRS))
+      endif
+      ifneq ($(TOOLCHAIN_LIB_DIRS),)
+        TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
+      endif
+      TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
+    endif
+  endif
+endif
+TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
 
-TARGET_PATH:=$(STAGING_DIR)/usr/sbin:$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
+ifeq ($(CONFIG_SOFT_FLOAT),y)
+  SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
+  TARGET_CFLAGS+= -msoft-float
+else
+  SOFT_FLOAT_CONFIG_OPTION:=
+endif
 
 export PATH:=$(TARGET_PATH)
+export STAGING_DIR
+export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 
-LINUX_DIR:=$(BUILD_DIR)/linux
-LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
+PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
+
+export PKG_CONFIG
 
-# APPLICATIONS #
 HOSTCC:=gcc
+HOSTCC_NOCACHE:=$(HOSTCC)
+HOST_CFLAGS:=-O2 -I$(STAGING_DIR_HOST)/include
+HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
+
 TARGET_CC:=$(TARGET_CROSS)gcc
-STRIP:=$(STAGING_DIR)/bin/sstrip
-PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
-SED:=$(STAGING_DIR)/bin/sed -i -e
+TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
+KPATCH:=$(SCRIPT_DIR)/patch-kernel.sh
+SED:=$(STAGING_DIR_HOST)/bin/sed -i -e
 CP:=cp -fpR
+LN:=ln -sf
 
 INSTALL_BIN:=install -m0755
 INSTALL_DIR:=install -d -m0755
@@ -64,55 +187,54 @@ 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)
+  TARGET_CXX:= ccache $(TARGET_CXX)
+  HOSTCC:= ccache $(HOSTCC)
 endif
 
-EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
-EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
-EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
-
-TARGET_CONFIGURE_OPTS:= \
+TARGET_CONFIGURE_OPTS = \
   AR=$(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_CROSS)g++ \
+  CXX="$(TARGET_CXX)" \
   RANLIB=$(TARGET_CROSS)ranlib \
   STRIP=$(TARGET_CROSS)strip \
-  OBJCOPY=$(TARGET_CROSS)objcopy
+  OBJCOPY=$(TARGET_CROSS)objcopy \
+  OBJDUMP=$(TARGET_CROSS)objdump \
+  SIZE=$(TARGET_CROSS)size
 
 # strip an entire directory
-RSTRIP:= \
-  NM="$(TARGET_CROSS)nm" \
-  STRIP="$(STRIP)" \
-  STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
-  $(SCRIPT_DIR)/rstrip.sh
-
-# where to build (and put) .ipk packages
-IPKG:= \
-  PATH="$(STAGING_DIR)/bin:$(PATH)" \
-  IPKG_TMP=$(BUILD_DIR)/tmp \
-  IPKG_INSTROOT=$(TARGET_DIR) \
-  IPKG_CONF_DIR=$(STAGING_DIR)/etc \
-  IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
-  $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
-
-# invoke ipkg-build with some default options
-IPKG_BUILD:= \
-  ipkg-build -c -o 0 -g 0
+ifneq ($(CONFIG_NO_STRIP),)
+  RSTRIP:=:
+  STRIP:=:
+else
+  ifneq ($(CONFIG_USE_STRIP),)
+    STRIP:=$(TARGET_CROSS)strip $(call qstrip,$(CONFIG_STRIP_ARGS))
+  else
+    ifneq ($(CONFIG_USE_SSTRIP),)
+      STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
+    endif
+  endif
+  RSTRIP:= \
+    NM="$(TARGET_CROSS)nm" \
+    STRIP="$(STRIP)" \
+    STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded -R .comment -R .pdr -R .mdebug.abi32 -R .note.gnu.build-id -R .gnu.attributes -R .reginfo -x" \
+    $(SCRIPT_DIR)/rstrip.sh
+endif
 
 ifeq ($(CONFIG_ENABLE_LOCALE),true)
-  DISABLE_NLS:=
+  DISABLE_NLS:=--enable-nls
 else
   DISABLE_NLS:=--disable-nls
 endif
 
-ifneq ($(CONFIG_LARGEFILE),y)
-  DISABLE_LARGEFILE= --disable-largefile
+ifeq ($(CONFIG_IPV6),y)
+  DISABLE_IPV6:=
+else
+  DISABLE_IPV6:=--disable-ipv6
 endif
 
 ifeq ($(CONFIG_TAR_VERBOSITY),y)
@@ -121,6 +243,10 @@ else
   TAR_OPTIONS:=-xf -
 endif
 
+ifeq ($(CONFIG_BUILD_LOG),y)
+  BUILD_LOG:=1
+endif
+
 define shvar
 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 endef
@@ -130,8 +256,37 @@ $(call shvar,$(1))=$$(call $(1))
 export $(call shvar,$(1))
 endef
 
+define include_mk
+$(eval -include $(if $(DUMP),,$(STAGING_DIR)/mk/$(strip $(1))))
+endef
+
+# Execute commands under flock
+# $(1) => The shell expression.
+# $(2) => The lock name. If not given, the global lock will be used.
+define locked
+	SHELL= \
+	$(STAGING_DIR_HOST)/bin/flock \
+		$(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
+		-c '$(subst ','\'',$(1))'
+endef
+
+# file extension
+ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 
 all:
 FORCE: ;
 .PHONY: FORCE
-%: ;
+
+val.%:
+	@$(if $(filter undefined,$(origin $*)),\
+		echo "$* undefined" >&2, \
+		echo '$(subst ','"'"',$($*))' \
+	)
+
+var.%:
+	@$(if $(filter undefined,$(origin $*)),\
+		echo "$* undefined" >&2, \
+		echo "$*='"'$(subst ','"'\"'\"'"',$($*))'"'" \
+	)
+
+endif #__rules_inc