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platform_build/core/combo/TARGET_linux-mips64.mk
Duane Sand 1d04a53ba3 [MIPS64] Enable mips64 clang 
(cherry picked from commit 41ca444637)

Change-Id: I0b141c58c88fe86e3a59844f53acc9a0e0a5271c
2014-08-05 12:38:31 -07:00

243 lines
8.7 KiB
Makefile
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#
# Copyright (C) 2013 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Configuration for Linux on MIPS64.
# Included by combo/select.mk
# You can set TARGET_ARCH_VARIANT to use an arch version other
# than mips64. Each value should correspond to a file named
# $(BUILD_COMBOS)/arch/<name>.mk which must contain
# makefile variable definitions similar to the preprocessor
# defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their
# purpose is to allow module Android.mk files to selectively compile
# different versions of code based upon the funtionality and
# instructions available in a given architecture version.
#
# The blocks also define specific arch_variant_cflags, which
# include defines, and compiler settings for the given architecture
# version.
#
ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
TARGET_ARCH_VARIANT := mips64r2
endif
# Decouple NDK library selection with platform compiler version
TARGET_NDK_GCC_VERSION := 4.8
ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
TARGET_GCC_VERSION := 4.9
else
TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
endif
TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk
ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
$(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT))
endif
include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
include $(BUILD_SYSTEM)/combo/fdo.mk
# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mips64el-linux-android-$(TARGET_GCC_VERSION)
TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android-
endif
TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
TARGET_mips_CFLAGS := -O2 \
-fomit-frame-pointer \
-fno-strict-aliasing \
-funswitch-loops
# Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk
# or in your environment to gdb debugging easier.
# Don't forget to do a clean build.
ifeq ($(FORCE_MIPS_DEBUGGING),true)
TARGET_mips_CFLAGS += -fno-omit-frame-pointer
endif
android_config_h := $(call select-android-config-h,linux-mips64)
TARGET_GLOBAL_CFLAGS += \
$(TARGET_mips_CFLAGS) \
-U__unix -U__unix__ -Umips \
-fpic -fPIE\
-ffunction-sections \
-fdata-sections \
-funwind-tables \
-Wa,--noexecstack \
-Werror=format-security \
-D_FORTIFY_SOURCE=2 \
-no-canonical-prefixes \
-fno-canonical-system-headers \
$(arch_variant_cflags) \
-include $(android_config_h) \
-I $(dir $(android_config_h))
ifneq ($(ARCH_MIPS_PAGE_SHIFT),)
TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT)
endif
TARGET_GLOBAL_LDFLAGS += \
-Wl,-z,noexecstack \
-Wl,-z,relro \
-Wl,-z,now \
-Wl,--warn-shared-textrel \
-Wl,--fatal-warnings \
$(arch_variant_ldflags)
TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
# More flags/options can be added here
TARGET_RELEASE_CFLAGS := \
-DNDEBUG \
-g \
-Wstrict-aliasing=2 \
-fgcse-after-reload \
-frerun-cse-after-loop \
-frename-registers
libc_root := bionic/libc
libm_root := bionic/libm
libstdc++_root := bionic/libstdc++
libthread_db_root := bionic/libthread_db
## on some hosts, the target cross-compiler is not available so do not run this command
ifneq ($(wildcard $(TARGET_CC)),)
# We compile with the global cflags to ensure that
# any flags which affect libgcc are correctly taken
# into account.
TARGET_LIBGCC := \
$(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a)
TARGET_LIBATOMIC := \
$(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libatomic.a)
LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a)
ifneq ($(LIBGCC_EH),libgcc_eh.a)
TARGET_LIBGCC += $(LIBGCC_EH)
endif
endif
KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-mips
# TODO: perhaps use $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH) instead of asm-mips ?
KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
TARGET_C_INCLUDES := \
$(libc_root)/arch-mips64/include \
$(libc_root)/include \
$(libstdc++_root)/include \
$(KERNEL_HEADERS) \
$(libm_root)/include \
$(libm_root)/include/mips \
$(libthread_db_root)/include
# TODO: perhaps use $(libm_root)/include/mips64 instead of mips ?
TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
TARGET_STRIP_MODULE:=true
TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
TARGET_CUSTOM_LD_COMMAND := true
define transform-o-to-shared-lib-inner
$(hide) $(PRIVATE_CXX) \
-nostdlib -Wl,-soname,$(notdir $@) \
-Wl,--gc-sections \
-shared \
$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
$(PRIVATE_ALL_OBJECTS) \
-Wl,--whole-archive \
$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-Wl,--no-whole-archive \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-o $@ \
$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
$(PRIVATE_LDFLAGS) \
$(PRIVATE_TARGET_LIBATOMIC) \
$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
$(PRIVATE_LDLIBS)
endef
define transform-o-to-executable-inner
$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \
-Wl,-dynamic-linker,/system/bin/linker64 \
-Wl,--gc-sections \
-Wl,-z,nocopyreloc \
$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
$(PRIVATE_ALL_OBJECTS) \
-Wl,--whole-archive \
$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-Wl,--no-whole-archive \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
-o $@ \
$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
$(PRIVATE_LDFLAGS) \
$(PRIVATE_TARGET_LIBATOMIC) \
$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
$(PRIVATE_LDLIBS)
endef
define transform-o-to-static-executable-inner
$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
-Wl,--gc-sections \
-o $@ \
$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
$(PRIVATE_LDFLAGS) \
$(PRIVATE_ALL_OBJECTS) \
-Wl,--whole-archive \
$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
-Wl,--no-whole-archive \
$(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \
-Wl,--start-group \
$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
$(PRIVATE_TARGET_LIBATOMIC) \
$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
-Wl,--end-group \
$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
endef
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