TARGET_linux-x86.mk revision 3a7e4ccad9c910ac798a8c324f7718d137bd7692
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-unknown-linux-gnu-4.2.1/bin/i686-unknown-linux-gnu- 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) \ 55 $(shell $(TARGET_CC) -m32 -print-file-name=libgcc_eh.a) 56endif 57 58TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 59 60libc_root := bionic/libc 61libm_root := bionic/libm 62libstdc++_root := bionic/libstdc++ 63libthread_db_root := bionic/libthread_db 64 65# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use 66# symlinks located in out/ to point to the appropriate kernel 67# headers. see 'config/kernel_headers.make' for more details 68# 69ifneq ($(CUSTOM_KERNEL_HEADERS),) 70 KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS) 71 KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS) 72else 73 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common 74 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH) 75endif 76KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 77 78TARGET_GLOBAL_CFLAGS += \ 79 -Ulinux \ 80 -m32 \ 81 -fPIC \ 82 -include $(call select-android-config-h,target_linux-x86) 83 84TARGET_GLOBAL_CPPFLAGS += \ 85 -fno-use-cxa-atexit 86 87ifeq ($(TARGET_ARCH_VARIANT),x86-atom) 88 TARGET_GLOBAL_CFLAGS += -mtune=i686 -DUSE_SSSE3 -DUSE_SSE2 -mfpmath=sse -msse2 89else 90 TARGET_GLOBAL_CFLAGS += -march=i686 91endif 92 93TARGET_GLOBAL_CFLAGS += -D__ANDROID__ 94TARGET_GLOBAL_LDFLAGS += -m32 95 96 97TARGET_C_INCLUDES := \ 98 $(libc_root)/arch-x86/include \ 99 $(libc_root)/include \ 100 $(libstdc++_root)/include \ 101 $(KERNEL_HEADERS) \ 102 $(libm_root)/include \ 103 $(libm_root)/include/i387 \ 104 $(libthread_db_root)/include 105 106TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o 107TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o 108TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o 109 110 111TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o 112TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o 113 114TARGET_STRIP_MODULE:=true 115 116TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 117 118TARGET_CUSTOM_LD_COMMAND := true 119define transform-o-to-shared-lib-inner 120$(hide) $(PRIVATE_CXX) \ 121 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 122 -nostdlib -Wl,-soname,$(notdir $@) \ 123 -shared -Bsymbolic \ 124 $(TARGET_GLOBAL_CFLAGS) \ 125 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 126 $(PRIVATE_TARGET_CRTBEGIN_SO_O) \ 127 $(PRIVATE_ALL_OBJECTS) \ 128 -Wl,--whole-archive \ 129 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 130 -Wl,--no-whole-archive \ 131 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 132 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 133 -o $@ \ 134 $(PRIVATE_LDFLAGS) \ 135 $(PRIVATE_TARGET_LIBGCC) \ 136 $(PRIVATE_TARGET_CRTEND_SO_O) 137endef 138 139 140define transform-o-to-executable-inner 141$(hide) $(PRIVATE_CXX) \ 142 $(TARGET_GLOBAL_LDFLAGS) \ 143 -nostdlib -Bdynamic \ 144 -Wl,-dynamic-linker,/system/bin/linker \ 145 -Wl,-z,nocopyreloc \ 146 -o $@ \ 147 $(TARGET_GLOBAL_LD_DIRS) \ 148 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 149 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 150 $(TARGET_CRTBEGIN_DYNAMIC_O) \ 151 $(PRIVATE_ALL_OBJECTS) \ 152 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 153 $(PRIVATE_LDFLAGS) \ 154 $(TARGET_LIBGCC) \ 155 $(TARGET_CRTEND_O) 156endef 157 158define transform-o-to-static-executable-inner 159$(hide) $(PRIVATE_CXX) \ 160 $(TARGET_GLOBAL_LDFLAGS) \ 161 -nostdlib -Bstatic \ 162 -o $@ \ 163 $(TARGET_GLOBAL_LD_DIRS) \ 164 $(TARGET_CRTBEGIN_STATIC_O) \ 165 $(PRIVATE_LDFLAGS) \ 166 $(PRIVATE_ALL_OBJECTS) \ 167 -Wl,--start-group \ 168 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 169 $(TARGET_LIBGCC) \ 170 -Wl,--end-group \ 171 $(TARGET_CRTEND_O) 172endef 173 174endif #simulator 175