TARGET_linux-x86.mk revision d90de32951835818a12b5fbb29871722ec1a7b1d
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
20# Provide a default variant.
21ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)),)
22TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := x86
23endif
24
25# Decouple NDK library selection with platform compiler version
26$(combo_2nd_arch_prefix)TARGET_NDK_GCC_VERSION := 4.8
27
28ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
29$(combo_2nd_arch_prefix)TARGET_GCC_VERSION := 4.8
30else
31$(combo_2nd_arch_prefix)TARGET_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_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT).mk
39ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
40$(error Unknown $(TARGET_$(combo_2nd_arch_prefix)ARCH) architecture version: $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT))
41endif
42
43include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
44
45
46# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
47ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)),)
48$(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$($(combo_2nd_arch_prefix)TARGET_GCC_VERSION)
49$(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX := $($(combo_2nd_arch_prefix)TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
50endif
51
52$(combo_2nd_arch_prefix)TARGET_CC := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
53$(combo_2nd_arch_prefix)TARGET_CXX := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
54$(combo_2nd_arch_prefix)TARGET_AR := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
55$(combo_2nd_arch_prefix)TARGET_OBJCOPY := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
56$(combo_2nd_arch_prefix)TARGET_LD := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
57$(combo_2nd_arch_prefix)TARGET_READELF := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX)
58$(combo_2nd_arch_prefix)TARGET_STRIP := $($(combo_2nd_arch_prefix)TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
59
60ifneq ($(wildcard $($(combo_2nd_arch_prefix)TARGET_CC)),)
61$(combo_2nd_arch_prefix)TARGET_LIBGCC := \
62	$(shell $($(combo_2nd_arch_prefix)TARGET_CC) -m32 -print-file-name=libgcc.a)
63target_libgcov := $(shell $($(combo_2nd_arch_prefix)TARGET_CC) $($(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS) \
64	-print-file-name=libgcov.a)
65endif
66
67$(combo_2nd_arch_prefix)TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
68
69libc_root := bionic/libc
70libm_root := bionic/libm
71libstdc++_root := bionic/libstdc++
72
73# Define FDO (Feedback Directed Optimization) options.
74
75$(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS:=
76$(combo_2nd_arch_prefix)TARGET_FDO_LIB:=
77
78ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
79  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
80  # The profile will be generated on /data/local/tmp/profile on the device.
81  $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
82  $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
83else
84  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
85  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
86  ifeq ($(strip $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH)),)
87    $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)
88  else
89    ifeq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
90      $(warning Custom $(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
91    endif
92  endif
93
94  # If the FDO profile directory can't be found, then FDO is off.
95  ifneq ($(strip $(wildcard $($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH))),)
96    $(combo_2nd_arch_prefix)TARGET_FDO_CFLAGS := -fprofile-use=$($(combo_2nd_arch_prefix)TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
97    $(combo_2nd_arch_prefix)TARGET_FDO_LIB := $(target_libgcov)
98  endif
99endif
100
101KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
102KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
103KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
104
105android_config_h := $(call select-android-config-h,target_linux-x86)
106
107$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += \
108			-O2 \
109			-Wa,--noexecstack \
110			-Werror=format-security \
111			-D_FORTIFY_SOURCE=2 \
112			-Wstrict-aliasing=2 \
113			-fPIC -fPIE \
114			-ffunction-sections \
115			-finline-functions \
116			-finline-limit=300 \
117			-fno-inline-functions-called-once \
118			-fno-short-enums \
119			-fstrict-aliasing \
120			-funswitch-loops \
121			-funwind-tables \
122			-fstack-protector \
123			-m32 \
124			-msse2 \
125			-no-canonical-prefixes \
126			-fno-canonical-system-headers \
127			-include $(android_config_h) \
128			-I $(dir $(android_config_h))
129
130$(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
131
132ifeq ($(ARCH_X86_HAVE_SSSE3),true)   # yes, really SSSE3, not SSE3!
133    $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
134endif
135ifeq ($(ARCH_X86_HAVE_SSE4),true)
136    $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4
137endif
138ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
139    $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.1
140endif
141ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
142    $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -msse4.2
143endif
144ifeq ($(ARCH_X86_HAVE_AVX),true)
145    $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -mavx
146endif
147ifeq ($(ARCH_X86_HAVE_AES_NI),true)
148    $(combo_2nd_arch_prefix)TARGET_GLOBAL_CFLAGS += -maes
149endif
150
151$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -m32
152
153$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
154$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
155$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
156$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--fatal-warnings
157$(combo_2nd_arch_prefix)TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
158
159$(combo_2nd_arch_prefix)TARGET_C_INCLUDES := \
160	$(libc_root)/arch-x86/include \
161	$(libc_root)/include \
162	$(libstdc++_root)/include \
163	$(KERNEL_HEADERS) \
164	$(libm_root)/include \
165	$(libm_root)/include/i387 \
166
167$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_STATIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
168$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_DYNAMIC_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
169$(combo_2nd_arch_prefix)TARGET_CRTEND_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
170
171$(combo_2nd_arch_prefix)TARGET_CRTBEGIN_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
172$(combo_2nd_arch_prefix)TARGET_CRTEND_SO_O := $($(combo_2nd_arch_prefix)TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
173
174$(combo_2nd_arch_prefix)TARGET_STRIP_MODULE:=true
175
176$(combo_2nd_arch_prefix)TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
177
178$(combo_2nd_arch_prefix)TARGET_CUSTOM_LD_COMMAND := true
179define $(combo_2nd_arch_prefix)transform-o-to-shared-lib-inner
180$(hide) $(PRIVATE_CXX) \
181	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
182	 -nostdlib -Wl,-soname,$(notdir $@) \
183	 -shared -Bsymbolic \
184	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
185	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
186	$(PRIVATE_ALL_OBJECTS) \
187	-Wl,--whole-archive \
188	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
189	-Wl,--no-whole-archive \
190	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
191	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
192	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
193	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
194	$(PRIVATE_TARGET_FDO_LIB) \
195	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
196	-o $@ \
197	$(PRIVATE_LDFLAGS) \
198	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
199	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \
200	$(PRIVATE_LDLIBS)
201endef
202
203define $(combo_2nd_arch_prefix)transform-o-to-executable-inner
204$(hide) $(PRIVATE_CXX) \
205	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
206	-nostdlib -Bdynamic \
207	-Wl,-z,nocopyreloc \
208	-fPIE -pie \
209	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
210	-Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \
211	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
212	$(PRIVATE_ALL_OBJECTS) \
213	-Wl,--whole-archive \
214	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
215	-Wl,--no-whole-archive \
216	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
217	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
218	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
219	$(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \
220	$(PRIVATE_TARGET_FDO_LIB) \
221	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
222	-o $@ \
223	$(PRIVATE_LDFLAGS) \
224	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
225	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \
226	$(PRIVATE_LDLIBS)
227endef
228
229define $(combo_2nd_arch_prefix)transform-o-to-static-executable-inner
230$(hide) $(PRIVATE_CXX) \
231	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
232	-nostdlib -Bstatic \
233	-o $@ \
234	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
235	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
236	$(PRIVATE_LDFLAGS) \
237	$(PRIVATE_ALL_OBJECTS) \
238	-Wl,--whole-archive \
239	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
240	-Wl,--no-whole-archive \
241	-Wl,--start-group \
242	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
243	$(PRIVATE_TARGET_FDO_LIB) \
244	$(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \
245	-Wl,--end-group \
246	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
247endef
248