TARGET_linux-x86_64.mk revision b6bb71b85d506dcc4763290d72c4168afd541f7d 
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_64 as a target.
18# Included by combo/select.mk
19
20# Provide a default variant.
21ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
22TARGET_ARCH_VARIANT := x86_64
23endif
24
25# Decouple NDK library selection with platform compiler version
26TARGET_NDK_GCC_VERSION := 4.8
27
28ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
29TARGET_GCC_VERSION := 4.8
30else
31TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
32endif
33
34# Include the arch-variant-specific configuration file.
35# Its role is to define various ARCH_X86_HAVE_XXX feature macros,
36# plus initial values for TARGET_GLOBAL_CFLAGS
37#
38TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk
39ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
40$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT))
41endif
42
43include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
44include $(BUILD_SYSTEM)/combo/fdo.mk
45
46# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
47ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
48TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION)
49TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
50endif
51
52TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
53TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
54TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
55TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
56TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
57TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
58TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
59
60ifneq ($(wildcard $(TARGET_CC)),)
61TARGET_LIBGCC := \
62	$(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a)
63TARGET_LIBATOMIC := \
64	$(shell $(TARGET_CC) -m64 -print-file-name=libatomic.a)
65target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
66	-print-file-name=libgcov.a)
67endif
68
69TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
70
71libc_root := bionic/libc
72libm_root := bionic/libm
73libstdc++_root := bionic/libstdc++
74
75KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
76KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
77KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
78
79TARGET_GLOBAL_CFLAGS += \
80			-O2 \
81			-Wa,--noexecstack \
82			-Werror=format-security \
83			-D_FORTIFY_SOURCE=2 \
84			-Wstrict-aliasing=2 \
85			-fPIC \
86			-ffunction-sections \
87			-finline-functions \
88			-finline-limit=300 \
89			-fno-inline-functions-called-once \
90			-fno-short-enums \
91			-fstrict-aliasing \
92			-funswitch-loops \
93			-funwind-tables \
94			-fstack-protector \
95			-m64 \
96			-no-canonical-prefixes \
97			-fno-canonical-system-headers
98
99# Help catch common 32/64-bit errors.
100TARGET_GLOBAL_CFLAGS += \
101    -Werror=pointer-to-int-cast \
102    -Werror=int-to-pointer-cast \
103
104android_config_h := $(call select-android-config-h,target_linux-x86)
105TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h))
106TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS)
107
108TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
109
110ifeq ($(ARCH_X86_HAVE_SSSE3),true)   # yes, really SSSE3, not SSE3!
111    TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
112endif
113ifeq ($(ARCH_X86_HAVE_SSE4),true)
114    TARGET_GLOBAL_CFLAGS += -msse4
115endif
116ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
117    TARGET_GLOBAL_CFLAGS += -msse4.1
118endif
119ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
120    TARGET_GLOBAL_CFLAGS += -msse4.2
121endif
122ifeq ($(ARCH_X86_HAVE_AVX),true)
123    TARGET_GLOBAL_CFLAGS += -mavx
124endif
125ifeq ($(ARCH_X86_HAVE_AES_NI),true)
126    TARGET_GLOBAL_CFLAGS += -maes
127endif
128
129TARGET_GLOBAL_LDFLAGS += -m64
130
131TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
132TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
133TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
134TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
135TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
136
137TARGET_C_INCLUDES := \
138	$(libc_root)/arch-x86_64/include \
139	$(libc_root)/include \
140	$(libstdc++_root)/include \
141	$(KERNEL_HEADERS) \
142	$(libm_root)/include \
143	$(libm_root)/include/amd64 \
144
145TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
146TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
147TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
148
149TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
150TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
151
152TARGET_STRIP_MODULE:=true
153
154TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
155
156TARGET_CUSTOM_LD_COMMAND := true
157define transform-o-to-shared-lib-inner
158$(hide) $(PRIVATE_CXX) \
159	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
160	 -nostdlib -Wl,-soname,$(notdir $@) \
161	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
162	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
163	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
164	$(PRIVATE_ALL_OBJECTS) \
165	-Wl,--whole-archive \
166	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
167	-Wl,--no-whole-archive \
168	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
169	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
170	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
171	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
172	$(PRIVATE_TARGET_FDO_LIB) \
173	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
174	-o $@ \
175	$(PRIVATE_LDFLAGS) \
176	$(PRIVATE_TARGET_LIBATOMIC) \
177	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
178	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
179endef
180
181define transform-o-to-executable-inner
182$(hide) $(PRIVATE_CXX) \
183	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
184	-nostdlib -Bdynamic \
185	-Wl,-z,nocopyreloc \
186	-pie \
187	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
188	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
189	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
190	$(PRIVATE_ALL_OBJECTS) \
191	-Wl,--whole-archive \
192	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
193	-Wl,--no-whole-archive \
194	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
195	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
196	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
197	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
198	$(PRIVATE_TARGET_FDO_LIB) \
199	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
200	-o $@ \
201	$(PRIVATE_LDFLAGS) \
202	$(PRIVATE_TARGET_LIBATOMIC) \
203	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
204	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
205	$(PRIVATE_LDLIBS)
206endef
207
208define transform-o-to-static-executable-inner
209$(hide) $(PRIVATE_CXX) \
210	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
211	-nostdlib -Bstatic \
212	-o $@ \
213	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
214	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
215	$(PRIVATE_LDFLAGS) \
216	$(PRIVATE_ALL_OBJECTS) \
217	-Wl,--whole-archive \
218	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
219	-Wl,--no-whole-archive \
220	-Wl,--start-group \
221	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
222	$(PRIVATE_TARGET_FDO_LIB) \
223	$(PRIVATE_TARGET_LIBATOMIC) \
224	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
225	-Wl,--end-group \
226	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
227	$(PRIVATE_LDLIBS)
228endef
229