# # 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 # $(BUILD_COMBOS)/arch/.mk which must contain # makefile variable definitions similar to the preprocessor # defines in build/core/combo/include/arch//AndroidConfig.h. Their # purpose is to allow module Android.mk files to selectively compile # different versions of code based upon the funtionality and # instructions available in a given architecture version. # # The blocks also define specific arch_variant_cflags, which # include defines, and compiler settings for the given architecture # version. # ifeq ($(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) # Disable transitive dependency library symbol resolving. $(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--allow-shlib-undefined $(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_PACK_MODULE_RELOCATIONS := true $(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libm $(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker