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[buildroot] use ext-toolchain.sh to integrate external toolchains

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Use ext-toolchain.sh to wrap external toolchain commands,
abort build if certain features such as CONFIG_SOFT_FLOAT or 
CONFIG_IPV6 are enabled but not supported by the toolchain.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29766 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2012-01-18 03:08:09 +00:00
parent be99e06ec8
commit ae5914acdf
3 changed files with 64 additions and 2 deletions
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2
rules.mk
View File

@ -148,7 +148,7 @@ ifndef DUMP
ifneq ($(TOOLCHAIN_LIB_DIRS),)
TARGET_LDFLAGS+= $(patsubst %,-L%,$(TOOLCHAIN_LIB_DIRS))
endif
TOOLCHAIN_DIR:=$(TOOLCHAIN_ROOT_DIR)
TARGET_PATH:=$(TOOLCHAIN_DIR)/bin:$(TARGET_PATH)
endif
endif
endif

2
toolchain/Makefile
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@ -28,7 +28,7 @@
curdir:=toolchain
# subdirectories to descend into
$(curdir)/builddirs := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_INSIGHT),insight) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),,kernel-headers binutils gcc/minimal gcc/initial gcc/final $(LIBC) $(if $(CONFIG_GLIBC_PORTS),glibc-ports))
$(curdir)/builddirs := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_INSIGHT),insight) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),wrapper,kernel-headers binutils gcc/minimal gcc/initial gcc/final $(LIBC) $(if $(CONFIG_GLIBC_PORTS),glibc-ports))
$(curdir)/builddirs-compile:=$($(curdir)/builddirs-prepare)
$(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)

62
toolchain/wrapper/Makefile Normal file
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@ -0,0 +1,62 @@
#
# Copyright (C) 2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=wrapper
PKG_VERSION:=1
include $(INCLUDE_DIR)/toolchain-build.mk
# 1: args
define toolchain_util
$(strip $(SCRIPT_DIR)/ext-toolchain.sh --toolchain $(CONFIG_TOOLCHAIN_ROOT) \
--cflags $(CONFIG_TARGET_OPTIMIZATION) \
--cflags "-muclibc $(if $(CONFIG_SOFT_FLOAT),-msoft-float)" \
--cflags "$(patsubst ./%,-I$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_INC_PATH)))" \
--cflags "$(patsubst ./%,-L$(TOOLCHAIN_ROOT_DIR)/%,$(call qstrip,$(CONFIG_TOOLCHAIN_LIB_PATH)))" \
$(1))
endef
# 1: config symbol
# 2: feature
define toolchain_test
$$(if $$($(1)), \
@echo -n "Testing external toolchain for $(2) support ... "; \
if $(call toolchain_util,--test "$(2)"); then \
echo "ok"; exit 0; \
else \
echo "failed"; \
echo "ERROR: $(1) is enabled but the external toolchain does not support it"; \
exit 1; \
fi)
endef
define Host/Prepare
$(call toolchain_test,CONFIG_SOFT_FLOAT,softfloat)
$(call toolchain_test,CONFIG_IPV6,ipv6)
$(call toolchain_test,CONFIG_NLS,wchar)
$(call toolchain_test,CONFIG_PACKAGE_libpthread,threads)
endef
define Host/Configure
endef
define Host/Compile
endef
define Host/Install
$(call toolchain_util,--wrap "$(TOOLCHAIN_DIR)/bin")
endef
define Host/Clean
rm -rf $(TOOLCHAIN_DIR)/bin
endef
$(eval $(call HostBuild))