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Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -08001#
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
The Android Open Source Project88b60792009-03-03 19:28:42 -080017# Configuration for Linux on x86 as a target.
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080018# 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)
Andy McFadden16e95bb2010-02-24 08:29:39 -080025TARGET_GLOBAL_CFLAGS := $(HOST_GLOBAL_CFLAGS) -m32
Andy McFadden99e087b2010-03-08 12:42:46 -080026TARGET_GLOBAL_LDFLAGS := $(HOST_GLOBAL_LDFLAGS) -m32 -lpthread
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080027TARGET_NO_UNDEFINED_LDFLAGS := $(HOST_NO_UNDEFINED_LDFLAGS)
Johnnie Bircha4716b22010-08-02 12:12:15 -070028ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
Andy McFaddenef262182010-02-26 13:26:03 -080029TARGET_ARCH_VARIANT := x86
Johnnie Bircha4716b22010-08-02 12:12:15 -070030endif
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080031else #simulator
32
33# Provide a default variant.
34ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
35TARGET_ARCH_VARIANT := x86
36endif
The Android Open Source Project88b60792009-03-03 19:28:42 -080037
38# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080039ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
40TARGET_TOOLS_PREFIX := \
Bruce Bearea17b91f2011-01-26 18:43:15 -080041 prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-android-linux-4.4.3/bin/i686-android-linux-
The Android Open Source Project88b60792009-03-03 19:28:42 -080042endif
43
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080044TARGET_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)
Bruce Beare45ac4342010-06-24 14:02:00 -070049TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
50TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@
The Android Open Source Project88b60792009-03-03 19:28:42 -080051
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080052ifneq ($(wildcard $(TARGET_CC)),)
53TARGET_LIBGCC := \
Bruce Bearea17b91f2011-01-26 18:43:15 -080054 $(shell $(TARGET_CC) -m32 -print-file-name=libgcc.a)
The Android Open Source Project88b60792009-03-03 19:28:42 -080055endif
56
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080057TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
The Android Open Source Project88b60792009-03-03 19:28:42 -080058
59libc_root := bionic/libc
60libm_root := bionic/libm
61libstdc++_root := bionic/libstdc++
62libthread_db_root := bionic/libthread_db
63
64# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
65# symlinks located in out/ to point to the appropriate kernel
66# headers. see 'config/kernel_headers.make' for more details
67#
68ifneq ($(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
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -080077TARGET_GLOBAL_CFLAGS += \
Mark D Horn5812d7b2011-04-26 14:15:26 -070078 -O2 \
Bruce Beareccec9c42010-10-14 14:12:46 -070079 -Ulinux \
Mark D Horn5812d7b2011-04-26 14:15:26 -070080 -Wa,--noexecstack \
81 -Werror=format-security \
82 -Wstrict-aliasing=2 \
The Android Open Source Project88b60792009-03-03 19:28:42 -080083 -fPIC \
Mark D Horn5812d7b2011-04-26 14:15:26 -070084 -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 \
The Android Open Source Project88b60792009-03-03 19:28:42 -080092 -include $(call select-android-config-h,target_linux-x86)
93
Mark D Horn5812d7b2011-04-26 14:15:26 -070094# Needs to be fixed later
95#TARGET_GLOBAL_CFLAGS += \
96# -fstack-protector
97
98# Needs to be added for RELEASE
99#TARGET_GLOBAL_CFLAGS += \
100# -DNDEBUG
101
102
Bruce Beare6ddd4ea2011-04-01 09:09:02 -0700103# Fix this after ssp.c is fixed for x86
104# TARGET_GLOBAL_CFLAGS += -fstack-protector
105
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -0800106TARGET_GLOBAL_CPPFLAGS += \
The Android Open Source Project88b60792009-03-03 19:28:42 -0800107 -fno-use-cxa-atexit
108
Bruce Beareccec9c42010-10-14 14:12:46 -0700109ifeq ($(TARGET_ARCH_VARIANT),x86-atom)
Bruce Bearea17b91f2011-01-26 18:43:15 -0800110 TARGET_GLOBAL_CFLAGS += -march=atom -mstackrealign -DUSE_SSSE3 -DUSE_SSE2 -mfpmath=sse
Bruce Beareccec9c42010-10-14 14:12:46 -0700111else
112 TARGET_GLOBAL_CFLAGS += -march=i686
113endif
114
Bruce Beare2e8283d2011-02-01 08:00:09 -0800115TARGET_GLOBAL_CFLAGS += -mbionic
Bruce Beareccec9c42010-10-14 14:12:46 -0700116TARGET_GLOBAL_CFLAGS += -D__ANDROID__
Bruce Beareccec9c42010-10-14 14:12:46 -0700117
Mark D Horn5812d7b2011-04-26 14:15:26 -0700118TARGET_GLOBAL_LDFLAGS += -m32
119TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
120TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
Bruce Beareccec9c42010-10-14 14:12:46 -0700121
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -0800122TARGET_C_INCLUDES := \
The Android Open Source Project88b60792009-03-03 19:28:42 -0800123 $(libc_root)/arch-x86/include \
124 $(libc_root)/include \
125 $(libstdc++_root)/include \
126 $(KERNEL_HEADERS) \
127 $(libm_root)/include \
128 $(libm_root)/include/i387 \
129 $(libthread_db_root)/include
130
131TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o
132TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o
133TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o
134
The Android Open Source Project88b60792009-03-03 19:28:42 -0800135TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o
136TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
137
Bruce Beare45ac4342010-06-24 14:02:00 -0700138TARGET_STRIP_MODULE:=true
The Android Open Source Project88b60792009-03-03 19:28:42 -0800139
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -0800140TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
The Android Open Source Project88b60792009-03-03 19:28:42 -0800141
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -0800142TARGET_CUSTOM_LD_COMMAND := true
The Android Open Source Project88b60792009-03-03 19:28:42 -0800143define transform-o-to-shared-lib-inner
144$(TARGET_CXX) \
Ying Wang1a081002010-07-13 14:55:47 -0700145 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
The Android Open Source Project88b60792009-03-03 19:28:42 -0800146 -nostdlib -Wl,-soname,$(notdir $@) \
147 -shared -Bsymbolic \
Bruce Beareccec9c42010-10-14 14:12:46 -0700148 $(TARGET_GLOBAL_CFLAGS) \
Ying Wang1a081002010-07-13 14:55:47 -0700149 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
Jeff Brownbd528a82011-02-16 14:42:40 -0800150 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
The Android Open Source Project88b60792009-03-03 19:28:42 -0800151 $(PRIVATE_ALL_OBJECTS) \
152 -Wl,--whole-archive \
153 $(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
154 -Wl,--no-whole-archive \
155 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
156 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
157 -o $@ \
158 $(PRIVATE_LDFLAGS) \
Ying Wang1a081002010-07-13 14:55:47 -0700159 $(PRIVATE_TARGET_LIBGCC) \
Jeff Brownbd528a82011-02-16 14:42:40 -0800160 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
The Android Open Source Project88b60792009-03-03 19:28:42 -0800161endef
162
163
164define transform-o-to-executable-inner
165$(TARGET_CXX) \
166 $(TARGET_GLOBAL_LDFLAGS) \
167 -nostdlib -Bdynamic \
168 -Wl,-dynamic-linker,/system/bin/linker \
169 -Wl,-z,nocopyreloc \
170 -o $@ \
171 $(TARGET_GLOBAL_LD_DIRS) \
172 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
173 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
Jeff Brownbd528a82011-02-16 14:42:40 -0800174 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_DYNAMIC_O)) \
The Android Open Source Project88b60792009-03-03 19:28:42 -0800175 $(PRIVATE_ALL_OBJECTS) \
176 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
177 $(PRIVATE_LDFLAGS) \
178 $(TARGET_LIBGCC) \
Jeff Brownbd528a82011-02-16 14:42:40 -0800179 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O))
The Android Open Source Project88b60792009-03-03 19:28:42 -0800180endef
181
182define transform-o-to-static-executable-inner
183$(TARGET_CXX) \
184 $(TARGET_GLOBAL_LDFLAGS) \
185 -nostdlib -Bstatic \
186 -o $@ \
187 $(TARGET_GLOBAL_LD_DIRS) \
Jeff Brownbd528a82011-02-16 14:42:40 -0800188 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTBEGIN_STATIC_O)) \
The Android Open Source Project88b60792009-03-03 19:28:42 -0800189 $(PRIVATE_LDFLAGS) \
190 $(PRIVATE_ALL_OBJECTS) \
191 -Wl,--start-group \
192 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
193 $(TARGET_LIBGCC) \
194 -Wl,--end-group \
Jeff Brownbd528a82011-02-16 14:42:40 -0800195 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(TARGET_CRTEND_O))
The Android Open Source Project88b60792009-03-03 19:28:42 -0800196endef
197
Jean-Baptiste Queru9b4a8122010-02-23 12:36:56 -0800198endif #simulator