forked from openkylin/platform_build
285 lines
10 KiB
Makefile
285 lines
10 KiB
Makefile
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#
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# Copyright (C) 2010 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Configuration for Linux on MIPS.
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# Included by combo/select.mk
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# You can set TARGET_ARCH_VARIANT to use an arch version other
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# than mips32r2-fp. Each value should correspond to a file named
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# $(BUILD_COMBOS)/arch/<name>.mk which must contain
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# makefile variable definitions similar to the preprocessor
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# defines in system/core/include/arch/<combo>/AndroidConfig.h. Their
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# purpose is to allow module Android.mk files to selectively compile
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# different versions of code based upon the funtionality and
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# instructions available in a given architecture version.
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#
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# The blocks also define specific arch_variant_cflags, which
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# include defines, and compiler settings for the given architecture
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# version.
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#
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ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
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TARGET_ARCH_VARIANT := mips32r2-fp
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endif
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TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk
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ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
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$(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT))
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endif
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include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
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# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
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ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
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TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mipsel-linux-android-4.6
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TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mipsel-linux-android-
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endif
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# Only define these if there's actually a gcc in there.
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# The gcc toolchain does not exists for windows/cygwin. In this case, do not reference it.
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ifneq ($(wildcard $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)),)
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TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
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TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
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TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
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TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
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TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
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TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
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ifeq ($(TARGET_BUILD_VARIANT),user)
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TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@
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else
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TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@ && \
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$(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@
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endif
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endif
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TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
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TARGET_mips_CFLAGS := -O2 \
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-fomit-frame-pointer \
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-fno-strict-aliasing \
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-funswitch-loops
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# Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk
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# or in your environment to gdb debugging easier.
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# Don't forget to do a clean build.
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ifeq ($(FORCE_MIPS_DEBUGGING),true)
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TARGET_mips_CFLAGS += -fno-omit-frame-pointer
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endif
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android_config_h := $(call select-android-config-h,linux-mips)
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arch_include_dir := $(dir $(android_config_h))
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TARGET_GLOBAL_CFLAGS += \
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$(TARGET_mips_CFLAGS) \
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-Ulinux -U__unix -U__unix__ -Umips \
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-fpic \
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-ffunction-sections \
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-fdata-sections \
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-funwind-tables \
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-Werror=format-security \
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$(arch_variant_cflags) \
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-include $(android_config_h) \
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-I $(arch_include_dir)
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# This warning causes dalvik not to build with gcc 4.6.x and -Werror.
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# We cannot turn it off blindly since the option is not available
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# in gcc-4.4.x.
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ifneq ($(filter 4.6.%, $(shell $(TARGET_CC) --version)),)
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TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \
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-fno-strict-volatile-bitfields
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endif
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# This is to avoid the dreaded warning compiler message:
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# note: the mangling of 'va_list' has changed in GCC 4.4
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#
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# The fact that the mangling changed does not affect the NDK ABI
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# very fortunately (since none of the exposed APIs used va_list
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# in their exported C++ functions). Also, GCC 4.5 has already
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# removed the warning from the compiler.
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#
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TARGET_GLOBAL_CFLAGS += -Wno-psabi
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ifneq ($(ARCH_MIPS_PAGE_SHIFT),)
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TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT)
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endif
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TARGET_GLOBAL_LDFLAGS += \
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$(arch_variant_ldflags)
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TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden \
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-fno-use-cxa-atexit
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# More flags/options can be added here
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TARGET_RELEASE_CFLAGS := \
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-DNDEBUG \
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-g \
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-Wstrict-aliasing=2 \
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-fgcse-after-reload \
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-frerun-cse-after-loop \
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-frename-registers
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libc_root := bionic/libc
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libm_root := bionic/libm
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libstdc++_root := bionic/libstdc++
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libthread_db_root := bionic/libthread_db
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## on some hosts, the target cross-compiler is not available so do not run this command
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ifneq ($(wildcard $(TARGET_CC)),)
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# We compile with the global cflags to ensure that
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# any flags which affect libgcc are correctly taken
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# into account.
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TARGET_LIBGCC := \
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$(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a)
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LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a)
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ifneq ($(LIBGCC_EH),libgcc_eh.a)
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TARGET_LIBGCC += $(LIBGCC_EH)
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endif
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endif
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# Define FDO (Feedback Directed Optimization) options.
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TARGET_FDO_CFLAGS:=
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TARGET_FDO_LIB:=
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target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
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--print-file-name=libgcov.a)
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ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
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# Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
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# The profile will be generated on /data/local/tmp/profile on the device.
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TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
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TARGET_FDO_LIB := $(target_libgcov)
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else
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# If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
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# Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
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ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
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TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
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else
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ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
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$(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
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endif
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endif
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# If the FDO profile directory can't be found, then FDO is off.
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ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
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TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
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TARGET_FDO_LIB := $(target_libgcov)
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endif
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endif
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# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
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# symlinks located in out/ to point to the appropriate kernel
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# headers. see 'config/kernel_headers.make' for more details
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#
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ifneq ($(CUSTOM_KERNEL_HEADERS),)
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KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS)
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KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS)
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else
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KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common
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KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH)
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endif
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KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
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TARGET_C_INCLUDES := \
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$(libc_root)/arch-mips/include \
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$(libc_root)/include \
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$(libstdc++_root)/include \
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$(KERNEL_HEADERS) \
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$(libm_root)/include \
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$(libm_root)/include/mips \
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$(libthread_db_root)/include
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TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o
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TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o
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TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o
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TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o
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TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
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TARGET_STRIP_MODULE:=true
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TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
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TARGET_CUSTOM_LD_COMMAND := true
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# Enable the Dalvik JIT compiler if not already specified.
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ifeq ($(strip $(WITH_JIT)),)
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WITH_JIT := true
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endif
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define transform-o-to-shared-lib-inner
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$(hide) $(PRIVATE_CXX) \
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-nostdlib -Wl,-soname,$(notdir $@) \
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-Wl,--gc-sections \
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-shared -Bsymbolic \
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$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
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$(PRIVATE_ALL_OBJECTS) \
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-Wl,--whole-archive \
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$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
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-Wl,--no-whole-archive \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
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-o $@ \
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$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
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$(PRIVATE_LDFLAGS) \
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$(PRIVATE_TARGET_FDO_LIB) \
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$(PRIVATE_TARGET_LIBGCC) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
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endef
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define transform-o-to-executable-inner
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$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic \
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-Wl,-dynamic-linker,/system/bin/linker \
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-Wl,--gc-sections \
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-Wl,-z,nocopyreloc \
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-o $@ \
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$(TARGET_GLOBAL_LD_DIRS) \
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-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_DYNAMIC_O)) \
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$(PRIVATE_ALL_OBJECTS) \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
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$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
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$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
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$(TARGET_GLOBAL_LDFLAGS) \
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$(PRIVATE_LDFLAGS) \
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$(TARGET_FDO_LIB) \
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$(TARGET_LIBGCC) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O))
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endef
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define transform-o-to-static-executable-inner
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$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \
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-Wl,--gc-sections \
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-o $@ \
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$(TARGET_GLOBAL_LD_DIRS) \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_STATIC_O)) \
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$(TARGET_GLOBAL_LDFLAGS) \
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$(PRIVATE_LDFLAGS) \
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$(PRIVATE_ALL_OBJECTS) \
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$(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \
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-Wl,--start-group \
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$(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
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$(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \
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$(TARGET_FDO_LIB) \
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$(TARGET_LIBGCC) \
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-Wl,--end-group \
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$(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O))
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endef
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