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The Android Open Source Projectdcc08f02008-12-17 18:03:49 -08001# Configuration for Linux on x86 as a target.
2# Included by combo/select.make
3
4# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
5ifeq ($(strip $($(combo_target)TOOLS_PREFIX)),)
6$(combo_target)TOOLS_PREFIX := \
7 prebuilt/$(HOST_PREBUILT_TAG)/toolchain/i686-unknown-linux-gnu-4.2.1/bin/i686-unknown-linux-gnu-
8endif
9
10$(combo_target)CC := $($(combo_target)TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
11$(combo_target)CXX := $($(combo_target)TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
12$(combo_target)AR := $($(combo_target)TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
13$(combo_target)OBJCOPY := $($(combo_target)TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
14$(combo_target)LD := $($(combo_target)TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
15
16ifneq ($(wildcard $($(combo_target)CC)),)
17$(combo_target)LIBGCC := \
18 $(shell $($(combo_target)CC) -m32 -print-file-name=libgcc.a) \
19 $(shell $($(combo_target)CC) -m32 -print-file-name=libgcc_eh.a)
20endif
21
22$(combo_target)NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
23
24libc_root := bionic/libc
25libm_root := bionic/libm
26libstdc++_root := bionic/libstdc++
27libthread_db_root := bionic/libthread_db
28
29# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
30# symlinks located in out/ to point to the appropriate kernel
31# headers. see 'config/kernel_headers.make' for more details
32#
33ifneq ($(CUSTOM_KERNEL_HEADERS),)
34 KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS)
35 KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS)
36else
37 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common
38 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH)
39endif
40KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
41
42$(combo_target)GLOBAL_CFLAGS += \
43 -march=i686 \
44 -m32 \
45 -fPIC \
46 -include $(call select-android-config-h,target_linux-x86)
47
48$(combo_target)GLOBAL_CPPFLAGS += \
49 -fno-use-cxa-atexit
50
51$(combo_target)C_INCLUDES := \
52 $(libc_root)/arch-x86/include \
53 $(libc_root)/include \
54 $(libstdc++_root)/include \
55 $(KERNEL_HEADERS) \
56 $(libm_root)/include \
57 $(libm_root)/include/i387 \
58 $(libthread_db_root)/include
59
60TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o
61TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o
62TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o
63
64
65TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_so.o
66TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_so.o
67
68# TARGET_STRIP_MODULE:=true
69
70$(combo_target)DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
71
72$(combo_target)CUSTOM_LD_COMMAND := true
73define transform-o-to-shared-lib-inner
74$(TARGET_CXX) \
75 $(TARGET_GLOBAL_LDFLAGS) \
76 -nostdlib -Wl,-soname,$(notdir $@) \
77 -shared -Bsymbolic \
78 -fPIC -march=i686 \
79 $(TARGET_GLOBAL_LD_DIRS) \
80 $(TARGET_CRTBEGIN_SO_O) \
81 $(PRIVATE_ALL_OBJECTS) \
82 -Wl,--whole-archive \
83 $(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
84 -Wl,--no-whole-archive \
85 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
86 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
87 -o $@ \
88 $(PRIVATE_LDFLAGS) \
89 $(TARGET_LIBGCC) \
90 $(TARGET_CRTEND_SO_O)
91endef
92
93
94define transform-o-to-executable-inner
95$(TARGET_CXX) \
96 $(TARGET_GLOBAL_LDFLAGS) \
97 -nostdlib -Bdynamic \
98 -Wl,-dynamic-linker,/system/bin/linker \
99 -Wl,-z,nocopyreloc \
100 -o $@ \
101 $(TARGET_GLOBAL_LD_DIRS) \
102 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
103 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
104 $(TARGET_CRTBEGIN_DYNAMIC_O) \
105 $(PRIVATE_ALL_OBJECTS) \
106 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
107 $(PRIVATE_LDFLAGS) \
108 $(TARGET_LIBGCC) \
109 $(TARGET_CRTEND_O)
110endef
111
112define transform-o-to-static-executable-inner
113$(TARGET_CXX) \
114 $(TARGET_GLOBAL_LDFLAGS) \
115 -nostdlib -Bstatic \
116 -o $@ \
117 $(TARGET_GLOBAL_LD_DIRS) \
118 $(TARGET_CRTBEGIN_STATIC_O) \
119 $(PRIVATE_LDFLAGS) \
120 $(PRIVATE_ALL_OBJECTS) \
121 -Wl,--start-group \
122 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
123 $(TARGET_LIBGCC) \
124 -Wl,--end-group \
125 $(TARGET_CRTEND_O)
126endef
127
128$(combo_target)GLOBAL_CFLAGS += -m32
129$(combo_target)GLOBAL_LDFLAGS += -m32