TARGET_linux-x86.mk revision aa1c321a58e3dcce72c144d7404ce7cef413586e
1# 2# Copyright (C) 2006 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16 17# Configuration for Linux on x86 as a target. 18# Included by combo/select.mk 19 20ifeq ($(TARGET_SIMULATOR),true) 21# When building for the simulator, use the HOST settings as TARGET settings 22TARGET_CC := $(HOST_CC) 23TARGET_CXX := $(HOST_CXX) 24TARGET_AR := $(HOST_AR) 25TARGET_GLOBAL_CFLAGS := $(HOST_GLOBAL_CFLAGS) -m32 26TARGET_GLOBAL_LDFLAGS := $(HOST_GLOBAL_LDFLAGS) -m32 -lpthread 27TARGET_NO_UNDEFINED_LDFLAGS := $(HOST_NO_UNDEFINED_LDFLAGS) 28ifeq ($(strip $(TARGET_ARCH_VARIANT)),) 29TARGET_ARCH_VARIANT := x86 30endif 31else #simulator 32 33# Provide a default variant. 34ifeq ($(strip $(TARGET_ARCH_VARIANT)),) 35TARGET_ARCH_VARIANT := x86 36endif 37 38# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 39ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 40TARGET_TOOLS_PREFIX := \ 41 prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-android-linux-4.4.3/bin/i686-android-linux- 42endif 43 44TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 45TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 46TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 47TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 48TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 49TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 50TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@ 51 52ifneq ($(wildcard $(TARGET_CC)),) 53TARGET_LIBGCC := \ 54 $(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a) 55endif 56 57TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 58 59libc_root := bionic/libc 60libm_root := bionic/libm 61libstdc++_root := bionic/libstdc++ 62libthread_db_root := bionic/libthread_db 63 64# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use 65# symlinks located in out/ to point to the appropriate kernel 66# headers. see 'config/kernel_headers.make' for more details 67# 68ifneq ($(CUSTOM_KERNEL_HEADERS),) 69 KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS) 70 KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS) 71else 72 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common 73 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH) 74endif 75KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 76 77TARGET_GLOBAL_CFLAGS += \ 78 -O2 \ 79 -Ulinux \ 80 -Wa,--noexecstack \ 81 -Werror=format-security \ 82 -Wstrict-aliasing=2 \ 83 -fPIC \ 84 -ffunction-sections \ 85 -finline-functions \ 86 -finline-limit=300 \ 87 -fno-inline-functions-called-once \ 88 -fno-short-enums \ 89 -fstrict-aliasing \ 90 -funswitch-loops \ 91 -funwind-tables \ 92 -include $(call select-android-config-h,target_linux-x86) 93 94TARGET_GLOBAL_CFLAGS += -fstack-protector 95 96# Needs to be added for RELEASE 97#TARGET_GLOBAL_CFLAGS += \ 98# -DNDEBUG 99 100TARGET_GLOBAL_CPPFLAGS += \ 101 -fno-use-cxa-atexit 102 103ifeq ($(TARGET_ARCH_VARIANT),x86-atom) 104 TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -DUSE_SSSE3 -DUSE_SSE2 -mfpmath=sse 105else 106 TARGET_GLOBAL_CFLAGS += -march=i686 107endif 108 109TARGET_GLOBAL_CFLAGS += -mbionic 110TARGET_GLOBAL_CFLAGS += -D__ANDROID__ 111 112TARGET_GLOBAL_LDFLAGS += -m32 113TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 114TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 115 116TARGET_C_INCLUDES := \ 117 $(libc_root)/arch-x86/include \ 118 $(libc_root)/include \ 119 $(libstdc++_root)/include \ 120 $(KERNEL_HEADERS) \ 121 $(libm_root)/include \ 122 $(libm_root)/include/i387 \ 123 $(libthread_db_root)/include 124 125TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o 126TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o 127TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o 128 129TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o 130TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o 131 132TARGET_STRIP_MODULE:=true 133 134TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 135 136TARGET_CUSTOM_LD_COMMAND := true 137define transform-o-to-shared-lib-inner 138$(TARGET_CXX) \ 139 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 140 -nostdlib -Wl,-soname,$(notdir $@) \ 141 -shared -Bsymbolic \ 142 $(TARGET_GLOBAL_CFLAGS) \ 143 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 144 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 145 $(PRIVATE_ALL_OBJECTS) \ 146 -Wl,--whole-archive \ 147 $(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 148 -Wl,--no-whole-archive \ 149 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 150 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 151 -o $@ \ 152 $(PRIVATE_LDFLAGS) \ 153 $(PRIVATE_TARGET_LIBGCC) \ 154 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) 155endef 156 157 158define transform-o-to-executable-inner 159$(TARGET_CXX) \ 160 $(TARGET_GLOBAL_LDFLAGS) \ 161 -nostdlib -Bdynamic \ 162 -Wl,-dynamic-linker,/system/bin/linker \ 163 -Wl,-z,nocopyreloc \ 164 -o $@ \ 165 $(TARGET_GLOBAL_LD_DIRS) \ 166 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 167 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 168 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_DYNAMIC_O)) \ 169 $(PRIVATE_ALL_OBJECTS) \ 170 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 171 $(PRIVATE_LDFLAGS) \ 172 $(TARGET_LIBGCC) \ 173 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O)) 174endef 175 176define transform-o-to-static-executable-inner 177$(TARGET_CXX) \ 178 $(TARGET_GLOBAL_LDFLAGS) \ 179 -nostdlib -Bstatic \ 180 -o $@ \ 181 $(TARGET_GLOBAL_LD_DIRS) \ 182 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_STATIC_O)) \ 183 $(PRIVATE_LDFLAGS) \ 184 $(PRIVATE_ALL_OBJECTS) \ 185 -Wl,--start-group \ 186 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 187 $(TARGET_LIBGCC) \ 188 -Wl,--end-group \ 189 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O)) 190endef 191 192endif #simulator 193