target/linux: add preliminary 2.6.37 kernel support

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 47db7f6..d352164 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2009 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.
@@ -16,7 +16,8 @@ include $(TOPDIR)/include/verbose.mk
 
 TMP_DIR:=$(TOPDIR)/tmp
 
-export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
+GREP_OPTIONS=
+export GREP_OPTIONS
 
 qstrip=$(strip $(subst ",,$(1)))
 #"))
@@ -30,11 +31,13 @@ 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)))))
+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))
 
@@ -44,6 +47,25 @@ else
   FPIC:=-fpic
 endif
 
+HOST_FPIC:=-fPIC
+
+ARCH_SUFFIX:=
+ifneq ($(findstring -mips32r2,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_r2
+endif
+ifneq ($(findstring -march=armv4,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_v4
+endif
+ifneq ($(findstring -march=armv4t,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_v4t
+endif
+ifneq ($(findstring -march=armv5t,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_v5t
+endif
+ifneq ($(findstring -march=armv5te,$(TARGET_OPTIMIZATION)),)
+  ARCH_SUFFIX:=_v5te
+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
@@ -57,10 +79,11 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
-  BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)_$(LIBC)-$(LIBCV)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
-  STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)_$(LIBC)-$(LIBCV)
-  BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
-  TOOLCHAIN_DIR:=$(TOPDIR)/staging_dir/toolchain-$(ARCH)_gcc-$(GCCV)_$(LIBC)-$(LIBCV)
+  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
+  BUILD_DIR:=$(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),)
@@ -95,7 +118,7 @@ ifndef DUMP
     TARGET_CFLAGS+= -fhonour-copts
     TARGET_CPPFLAGS+= -I$(TOOLCHAIN_DIR)/usr/include -I$(TOOLCHAIN_DIR)/include
     TARGET_LDFLAGS+= -L$(TOOLCHAIN_DIR)/usr/lib -L$(TOOLCHAIN_DIR)/lib
-    TARGET_PATH:=$(TOOLCHAIN_DIR)/usr/bin:$(TARGET_PATH)
+    TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
   else
     ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
       TARGET_CROSS:=$(call qstrip,$(CONFIG_TOOLCHAIN_PREFIX))
@@ -127,6 +150,7 @@ endif
 export PATH:=$(TARGET_PATH)
 export STAGING_DIR
 export GCC_HONOUR_COPTS:=0
+export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 
 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
 
@@ -138,9 +162,10 @@ HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib
 
 TARGET_CC:=$(TARGET_CROSS)gcc
 TARGET_CXX:=$(if $(CONFIG_INSTALL_LIBSTDCPP),$(TARGET_CROSS)g++,no)
-PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
+KPATCH:=$(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
@@ -151,9 +176,10 @@ 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)
 endif
 
-TARGET_CONFIGURE_OPTS:= \
+TARGET_CONFIGURE_OPTS = \
   AR=$(TARGET_CROSS)ar \
   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
   LD=$(TARGET_CROSS)ld \
@@ -223,6 +249,16 @@ 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)))
 
@@ -230,4 +266,16 @@ 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