| # |
| # Copyright (C) 2010 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 MIPS. |
| # Included by combo/select.mk |
| |
| # You can set TARGET_ARCH_VARIANT to use an arch version other |
| # than mips32r2-fp. 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 $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)),) |
| TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := mips32r2-fp |
| endif |
| |
| # Decouple NDK library selection with platform compiler version |
| $(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.9 |
| |
| ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) |
| $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.9 |
| else |
| $(combo_2nd_arch_prefix)TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP) |
| endif |
| |
| TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT).mk |
| ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) |
| $(error Unknown MIPS architecture variant: $(TARGET_$(combo_2nd_arch_prefix)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 $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),) |
| $(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mips64el-linux-android-$($(combo_2nd_arch_prefix)TARGET_GCC_VERSION) |
| $(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android- |
| endif |
| |
| $(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) |
| $(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) |
| $(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) |
| $(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) |
| $(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) |
| $(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) |
| $(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) |
| |
| $(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined |
| |
| TARGET_mips_CFLAGS := -O2 \ |
| -fomit-frame-pointer \ |
| -fno-strict-aliasing \ |
| -funswitch-loops |
| |
| # Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk |
| # or in your environment to gdb debugging easier. |
| # Don't forget to do a clean build. |
| ifeq ($(FORCE_MIPS_DEBUGGING),true) |
| TARGET_mips_CFLAGS += -fno-omit-frame-pointer |
| endif |
| |
| android_config_h := $(call select-android-config-h,linux-mips) |
| |
| $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \ |
| $(TARGET_mips_CFLAGS) \ |
| -U__unix -U__unix__ -Umips \ |
| -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),) |
| $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT) |
| endif |
| |
| $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += \ |
| -Wl,-z,noexecstack \ |
| -Wl,-z,relro \ |
| -Wl,-z,now \ |
| -Wl,--build-id=md5 \ |
| -Wl,--warn-shared-textrel \ |
| -Wl,--fatal-warnings \ |
| $(arch_variant_ldflags) |
| |
| $(combo_2nd_arch_prefix)TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden |
| |
| # More flags/options can be added here |
| $(combo_2nd_arch_prefix)TARGET_RELEASE_CFLAGS := \ |
| -DNDEBUG \ |
| -g \ |
| -Wstrict-aliasing=2 \ |
| -fgcse-after-reload \ |
| -frerun-cse-after-loop \ |
| -frename-registers |
| |
| libc_root := bionic/libc |
| libm_root := bionic/libm |
| |
| |
| ## on some hosts, the target cross-compiler is not available so do not run this command |
| ifneq ($(wildcard $($(combo_2nd_arch_prefix)TARGET_CC)),) |
| # We compile with the global cflags to ensure that |
| # any flags which affect libgcc are correctly taken |
| # into account. |
| $(combo_2nd_arch_prefix)TARGET_LIBGCC := \ |
| $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a) |
| $(combo_2nd_arch_prefix)TARGET_LIBATOMIC := \ |
| $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-file-name=libatomic.a) |
| LIBGCC_EH := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a) |
| ifneq ($(LIBGCC_EH),libgcc_eh.a) |
| $(combo_2nd_arch_prefix)TARGET_LIBGCC += $(LIBGCC_EH) |
| endif |
| $(combo_2nd_arch_prefix)TARGET_LIBGCOV := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \ |
| --print-file-name=libgcov.a) |
| endif |
| |
| KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi |
| KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-mips # mips covers both mips and mips64. |
| KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) |
| |
| $(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \ |
| $(libc_root)/arch-mips/include \ |
| $(libc_root)/include \ |
| $(KERNEL_HEADERS) \ |
| $(libm_root)/include \ |
| $(libm_root)/include/mips \ |
| |
| $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o |
| $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o |
| $(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o |
| |
| $(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o |
| $(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o |
| |
| $(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true |
| |
| $(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm |
| |
| $(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker |