TARGET_linux-x86_64.mk revision 04cf31597021af3cd045dd9c50d94a87d0394023 
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)
65endif
66
67TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
68
69libc_root := bionic/libc
70libm_root := bionic/libm
71libstdc++_root := bionic/libstdc++
72
73KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
74KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
75KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
76
77TARGET_GLOBAL_CFLAGS += \
78			-O2 \
79			-Wa,--noexecstack \
80			-Werror=format-security \
81			-D_FORTIFY_SOURCE=2 \
82			-Wstrict-aliasing=2 \
83			-fPIC \
84			-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 \
92			-fstack-protector \
93			-m64 \
94			-no-canonical-prefixes \
95			-fno-canonical-system-headers
96
97# Help catch common 32/64-bit errors.
98TARGET_GLOBAL_CFLAGS += \
99    -Werror=pointer-to-int-cast \
100    -Werror=int-to-pointer-cast \
101
102android_config_h := $(call select-android-config-h,target_linux-x86)
103TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h))
104TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS)
105
106TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
107
108ifeq ($(ARCH_X86_HAVE_SSSE3),true)   # yes, really SSSE3, not SSE3!
109    TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
110endif
111ifeq ($(ARCH_X86_HAVE_SSE4),true)
112    TARGET_GLOBAL_CFLAGS += -msse4
113endif
114ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
115    TARGET_GLOBAL_CFLAGS += -msse4.1
116endif
117ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
118    TARGET_GLOBAL_CFLAGS += -msse4.2
119endif
120ifeq ($(ARCH_X86_HAVE_AVX),true)
121    TARGET_GLOBAL_CFLAGS += -mavx
122endif
123ifeq ($(ARCH_X86_HAVE_AES_NI),true)
124    TARGET_GLOBAL_CFLAGS += -maes
125endif
126
127TARGET_GLOBAL_LDFLAGS += -m64
128
129TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
130TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
131TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
132TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
133TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
134
135TARGET_C_INCLUDES := \
136	$(libc_root)/arch-x86_64/include \
137	$(libc_root)/include \
138	$(libstdc++_root)/include \
139	$(KERNEL_HEADERS) \
140	$(libm_root)/include \
141	$(libm_root)/include/amd64 \
142
143TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
144TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
145TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
146
147TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
148TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
149
150TARGET_STRIP_MODULE:=true
151
152TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
153
154TARGET_CUSTOM_LD_COMMAND := true
155define transform-o-to-shared-lib-inner
156$(hide) $(PRIVATE_CXX) \
157	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
158	 -nostdlib -Wl,-soname,$(notdir $@) \
159	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
160	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
161	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
162	$(PRIVATE_ALL_OBJECTS) \
163	-Wl,--whole-archive \
164	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
165	-Wl,--no-whole-archive \
166	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
167	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
168	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
169	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
170	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
171	-o $@ \
172	$(PRIVATE_LDFLAGS) \
173	$(PRIVATE_TARGET_LIBATOMIC) \
174	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
175	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
176endef
177
178define transform-o-to-executable-inner
179$(hide) $(PRIVATE_CXX) \
180	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
181	-nostdlib -Bdynamic \
182	-Wl,-z,nocopyreloc \
183	-pie \
184	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
185	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
186	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
187	$(PRIVATE_ALL_OBJECTS) \
188	-Wl,--whole-archive \
189	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
190	-Wl,--no-whole-archive \
191	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
192	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
193	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
194	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
195	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
196	-o $@ \
197	$(PRIVATE_LDFLAGS) \
198	$(PRIVATE_TARGET_LIBATOMIC) \
199	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
200	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
201	$(PRIVATE_LDLIBS)
202endef
203
204define transform-o-to-static-executable-inner
205$(hide) $(PRIVATE_CXX) \
206	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
207	-nostdlib -Bstatic \
208	-o $@ \
209	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
210	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
211	$(PRIVATE_LDFLAGS) \
212	$(PRIVATE_ALL_OBJECTS) \
213	-Wl,--whole-archive \
214	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
215	-Wl,--no-whole-archive \
216	-Wl,--start-group \
217	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
218	$(PRIVATE_TARGET_LIBATOMIC) \
219	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
220	-Wl,--end-group \
221	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
222	$(PRIVATE_LDLIBS)
223endef
224