TARGET_linux-x86.mk revision 8f77c9ded3b64764ebe6f2cb1be45a2de0b7bec9
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) 50 51ifeq ($(TARGET_BUILD_VARIANT),user) 52TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@ 53else 54TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@ && \ 55 $(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@ 56endif 57 58ifneq ($(wildcard $(TARGET_CC)),) 59TARGET_LIBGCC := \ 60 $(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a) 61endif 62 63TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 64 65libc_root := bionic/libc 66libm_root := bionic/libm 67libstdc++_root := bionic/libstdc++ 68libthread_db_root := bionic/libthread_db 69 70# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use 71# symlinks located in out/ to point to the appropriate kernel 72# headers. see 'config/kernel_headers.make' for more details 73# 74ifneq ($(CUSTOM_KERNEL_HEADERS),) 75 KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS) 76 KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS) 77else 78 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common 79 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH) 80endif 81KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 82 83TARGET_GLOBAL_CFLAGS += \ 84 -O2 \ 85 -Ulinux \ 86 -Wa,--noexecstack \ 87 -Werror=format-security \ 88 -Wstrict-aliasing=2 \ 89 -fPIC \ 90 -ffunction-sections \ 91 -finline-functions \ 92 -finline-limit=300 \ 93 -fno-inline-functions-called-once \ 94 -fno-short-enums \ 95 -fstrict-aliasing \ 96 -funswitch-loops \ 97 -funwind-tables \ 98 -include $(call select-android-config-h,target_linux-x86) 99 100# Needs to be fixed later 101#TARGET_GLOBAL_CFLAGS += \ 102# -fstack-protector 103 104# Needs to be added for RELEASE 105#TARGET_GLOBAL_CFLAGS += \ 106# -DNDEBUG 107 108 109# Fix this after ssp.c is fixed for x86 110# TARGET_GLOBAL_CFLAGS += -fstack-protector 111 112TARGET_GLOBAL_CPPFLAGS += \ 113 -fno-use-cxa-atexit 114 115ifeq ($(TARGET_ARCH_VARIANT),x86-atom) 116 TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -DUSE_SSSE3 -DUSE_SSE2 -mfpmath=sse 117else 118 TARGET_GLOBAL_CFLAGS += -march=i686 119endif 120 121TARGET_GLOBAL_CFLAGS += -mbionic 122TARGET_GLOBAL_CFLAGS += -D__ANDROID__ 123 124TARGET_GLOBAL_LDFLAGS += -m32 125TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack 126TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections 127 128TARGET_C_INCLUDES := \ 129 $(libc_root)/arch-x86/include \ 130 $(libc_root)/include \ 131 $(libstdc++_root)/include \ 132 $(KERNEL_HEADERS) \ 133 $(libm_root)/include \ 134 $(libm_root)/include/i387 \ 135 $(libthread_db_root)/include 136 137TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o 138TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o 139TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o 140 141TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o 142TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o 143 144TARGET_STRIP_MODULE:=true 145 146TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 147 148TARGET_CUSTOM_LD_COMMAND := true 149define transform-o-to-shared-lib-inner 150$(hide) $(PRIVATE_CXX) \ 151 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 152 -nostdlib -Wl,-soname,$(notdir $@) \ 153 -shared -Bsymbolic \ 154 $(TARGET_GLOBAL_CFLAGS) \ 155 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 156 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 157 $(PRIVATE_ALL_OBJECTS) \ 158 -Wl,--whole-archive \ 159 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 160 -Wl,--no-whole-archive \ 161 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 162 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 163 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 164 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 165 -o $@ \ 166 $(PRIVATE_LDFLAGS) \ 167 $(PRIVATE_TARGET_LIBGCC) \ 168 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) 169endef 170 171 172define transform-o-to-executable-inner 173$(hide) $(PRIVATE_CXX) \ 174 $(TARGET_GLOBAL_LDFLAGS) \ 175 -nostdlib -Bdynamic \ 176 -Wl,-dynamic-linker,/system/bin/linker \ 177 -Wl,-z,nocopyreloc \ 178 -o $@ \ 179 $(TARGET_GLOBAL_LD_DIRS) \ 180 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 181 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 182 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_DYNAMIC_O)) \ 183 $(PRIVATE_ALL_OBJECTS) \ 184 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 185 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 186 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 187 $(PRIVATE_LDFLAGS) \ 188 $(TARGET_LIBGCC) \ 189 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O)) 190endef 191 192define transform-o-to-static-executable-inner 193$(hide) $(PRIVATE_CXX) \ 194 $(TARGET_GLOBAL_LDFLAGS) \ 195 -nostdlib -Bstatic \ 196 -o $@ \ 197 $(TARGET_GLOBAL_LD_DIRS) \ 198 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_STATIC_O)) \ 199 $(PRIVATE_LDFLAGS) \ 200 $(PRIVATE_ALL_OBJECTS) \ 201 -Wl,--start-group \ 202 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 203 $(TARGET_LIBGCC) \ 204 -Wl,--end-group \ 205 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O)) 206endef 207 208endif #simulator 209