TARGET_linux-x86.mk revision c101e27d547ee218337b2600e8158dedd0a064af
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 := $(HOST_NO_UNDEFINED_LDFLAGS) 28TARGET_ARCH_VARIANT := x86 29else #simulator 30 31# Provide a default variant. 32ifeq ($(strip $(TARGET_ARCH_VARIANT)),) 33TARGET_ARCH_VARIANT := x86 34endif 35 36# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 37ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 38TARGET_TOOLS_PREFIX := \ 39 prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-unknown-linux-gnu-4.2.1/bin/i686-unknown-linux-gnu- 40endif 41 42TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 43TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 44TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 45TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 46TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 47TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 48TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@ 49 50ifneq ($(wildcard $(TARGET_CC)),) 51TARGET_LIBGCC := \ 52 $(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a) \ 53 $(shell $(TARGET_CC) -m32 -print-file-name=libgcc_eh.a) 54endif 55 56TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 57 58libc_root := bionic/libc 59libm_root := bionic/libm 60libstdc++_root := bionic/libstdc++ 61libthread_db_root := bionic/libthread_db 62 63# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use 64# symlinks located in out/ to point to the appropriate kernel 65# headers. see 'config/kernel_headers.make' for more details 66# 67ifneq ($(CUSTOM_KERNEL_HEADERS),) 68 KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS) 69 KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS) 70else 71 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common 72 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH) 73endif 74KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 75 76TARGET_GLOBAL_CFLAGS += \ 77 -march=i686 \ 78 -m32 \ 79 -fPIC \ 80 -include $(call select-android-config-h,target_linux-x86) 81 82TARGET_GLOBAL_CPPFLAGS += \ 83 -fno-use-cxa-atexit 84 85TARGET_C_INCLUDES := \ 86 $(libc_root)/arch-x86/include \ 87 $(libc_root)/include \ 88 $(libstdc++_root)/include \ 89 $(KERNEL_HEADERS) \ 90 $(libm_root)/include \ 91 $(libm_root)/include/i387 \ 92 $(libthread_db_root)/include 93 94TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o 95TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o 96TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o 97 98 99TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o 100TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o 101 102TARGET_STRIP_MODULE:=true 103 104TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 105 106TARGET_CUSTOM_LD_COMMAND := true 107define transform-o-to-shared-lib-inner 108$(TARGET_CXX) \ 109 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 110 -nostdlib -Wl,-soname,$(notdir $@) \ 111 -shared -Bsymbolic \ 112 -fPIC -march=i686 \ 113 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 114 $(PRIVATE_TARGET_CRTBEGIN_SO_O) \ 115 $(PRIVATE_ALL_OBJECTS) \ 116 -Wl,--whole-archive \ 117 $(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 118 -Wl,--no-whole-archive \ 119 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 120 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 121 -o $@ \ 122 $(PRIVATE_LDFLAGS) \ 123 $(PRIVATE_TARGET_LIBGCC) \ 124 $(PRIVATE_TARGET_CRTEND_SO_O) 125endef 126 127 128define transform-o-to-executable-inner 129$(TARGET_CXX) \ 130 $(TARGET_GLOBAL_LDFLAGS) \ 131 -nostdlib -Bdynamic \ 132 -Wl,-dynamic-linker,/system/bin/linker \ 133 -Wl,-z,nocopyreloc \ 134 -o $@ \ 135 $(TARGET_GLOBAL_LD_DIRS) \ 136 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 137 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 138 $(TARGET_CRTBEGIN_DYNAMIC_O) \ 139 $(PRIVATE_ALL_OBJECTS) \ 140 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 141 $(PRIVATE_LDFLAGS) \ 142 $(TARGET_LIBGCC) \ 143 $(TARGET_CRTEND_O) 144endef 145 146define transform-o-to-static-executable-inner 147$(TARGET_CXX) \ 148 $(TARGET_GLOBAL_LDFLAGS) \ 149 -nostdlib -Bstatic \ 150 -o $@ \ 151 $(TARGET_GLOBAL_LD_DIRS) \ 152 $(TARGET_CRTBEGIN_STATIC_O) \ 153 $(PRIVATE_LDFLAGS) \ 154 $(PRIVATE_ALL_OBJECTS) \ 155 -Wl,--start-group \ 156 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 157 $(TARGET_LIBGCC) \ 158 -Wl,--end-group \ 159 $(TARGET_CRTEND_O) 160endef 161 162TARGET_GLOBAL_CFLAGS += -m32 163TARGET_GLOBAL_LDFLAGS += -m32 164 165endif #simulator 166