binary.mk revision 021b7651a5fcb806d1b8a767c7f4a0a81bc8e4ff 
1###########################################################
2## Standard rules for building binary object files from
3## asm/c/cpp/yacc/lex/etc source files.
4##
5## The list of object files is exported in $(all_objects).
6###########################################################
7
8#######################################
9include $(BUILD_SYSTEM)/base_rules.mk
10#######################################
11
12##################################################
13# Compute the dependency of the shared libraries
14##################################################
15# On the target, we compile with -nostdlib, so we must add in the
16# default system shared libraries, unless they have requested not
17# to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value.  One would
18# supply that, for example, when building libc itself.
19ifdef LOCAL_IS_HOST_MODULE
20  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
21      my_system_shared_libraries :=
22  else
23      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
24  endif
25else
26  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
27      my_system_shared_libraries := libc libm
28  else
29      my_system_shared_libraries := $(LOCAL_SYSTEM_SHARED_LIBRARIES)
30  endif
31endif
32
33# The following LOCAL_ variables will be modified in this file.
34# Because the same LOCAL_ variables may be used to define modules for both 1st arch and 2nd arch,
35# we can't modify them in place.
36my_src_files := $(LOCAL_SRC_FILES)
37my_static_libraries := $(LOCAL_STATIC_LIBRARIES)
38my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES)
39my_shared_libraries := $(LOCAL_SHARED_LIBRARIES)
40my_cflags := $(LOCAL_CFLAGS)
41my_conlyflags := $(LOCAL_CONLYFLAGS)
42my_cppflags := $(LOCAL_CPPFLAGS)
43my_cflags_no_override := $(GLOBAL_CFLAGS_NO_OVERRIDE)
44my_cppflags_no_override := $(GLOBAL_CPPFLAGS_NO_OVERRIDE)
45my_ldflags := $(LOCAL_LDFLAGS)
46my_ldlibs := $(LOCAL_LDLIBS)
47my_asflags := $(LOCAL_ASFLAGS)
48my_cc := $(LOCAL_CC)
49my_cc_wrapper := $(CC_WRAPPER)
50my_cxx := $(LOCAL_CXX)
51my_cxx_wrapper := $(CXX_WRAPPER)
52my_c_includes := $(LOCAL_C_INCLUDES)
53my_generated_sources := $(LOCAL_GENERATED_SOURCES)
54my_native_coverage := $(LOCAL_NATIVE_COVERAGE)
55my_additional_dependencies := $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
56my_export_c_include_dirs := $(LOCAL_EXPORT_C_INCLUDE_DIRS)
57
58ifdef LOCAL_IS_HOST_MODULE
59my_allow_undefined_symbols := true
60else
61my_allow_undefined_symbols := $(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS))
62endif
63
64my_ndk_sysroot :=
65my_ndk_sysroot_include :=
66my_ndk_sysroot_lib :=
67ifdef LOCAL_SDK_VERSION
68  ifdef LOCAL_NDK_VERSION
69    $(error $(LOCAL_PATH): LOCAL_NDK_VERSION is now retired.)
70  endif
71  ifdef LOCAL_IS_HOST_MODULE
72    $(error $(LOCAL_PATH): LOCAL_SDK_VERSION cannot be used in host module)
73  endif
74  my_ndk_source_root := $(HISTORICAL_NDK_VERSIONS_ROOT)/current/sources
75  my_ndk_sysroot := $(HISTORICAL_NDK_VERSIONS_ROOT)/current/platforms/android-$(LOCAL_SDK_VERSION)/arch-$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)
76  my_ndk_sysroot_include := $(my_ndk_sysroot)/usr/include
77  ifeq (x86_64,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
78    my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib64
79  else ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT))
80    my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/libr6
81  else
82    my_ndk_sysroot_lib := $(my_ndk_sysroot)/usr/lib
83  endif
84
85  # The bionic linker now has support for packed relocations and gnu style
86  # hashes (which are much faster!), but shipping to older devices requires
87  # the old style hash and disabling packed relocations.
88  #ifeq ($(shell expr $(LOCAL_SDK_VERSION) >= FIRST_SUPPORTED_VERSION),0)
89    my_ldflags += -Wl,--hash-style=sysv
90    LOCAL_PACK_MODULE_RELOCATIONS := false
91  #endif
92
93  # Set up the NDK stl variant. Starting from NDK-r5 the c++ stl resides in a separate location.
94  # See ndk/docs/CPLUSPLUS-SUPPORT.html
95  my_ndk_stl_include_path :=
96  my_ndk_stl_shared_lib_fullpath :=
97  my_ndk_stl_shared_lib :=
98  my_ndk_stl_static_lib :=
99  my_ndk_stl_cppflags :=
100  my_cpu_variant := $(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)CPU_ABI)
101  ifeq (mips32r6,$(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH_VARIANT))
102    my_cpu_variant := mips32r6
103  endif
104  LOCAL_NDK_STL_VARIANT := $(strip $(LOCAL_NDK_STL_VARIANT))
105  ifeq (,$(LOCAL_NDK_STL_VARIANT))
106    LOCAL_NDK_STL_VARIANT := system
107  endif
108  ifneq (1,$(words $(filter system stlport_static stlport_shared c++_static c++_shared gnustl_static, $(LOCAL_NDK_STL_VARIANT))))
109    $(error $(LOCAL_PATH): Unknown LOCAL_NDK_STL_VARIANT $(LOCAL_NDK_STL_VARIANT))
110  endif
111  ifeq (system,$(LOCAL_NDK_STL_VARIANT))
112    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/system/include
113    # for "system" variant, the shared library exists in the system library and -lstdc++ is added by default.
114  else # LOCAL_NDK_STL_VARIANT is not system
115  ifneq (,$(filter stlport_%, $(LOCAL_NDK_STL_VARIANT)))
116    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/stlport/stlport
117    ifeq (stlport_static,$(LOCAL_NDK_STL_VARIANT))
118      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_static.a
119    else
120      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/stlport/libs/$(my_cpu_variant)/libstlport_shared.so
121      my_ndk_stl_shared_lib := -lstlport_shared
122    endif
123  else # LOCAL_NDK_STL_VARIANT is not stlport_* either
124  ifneq (,$(filter c++_%, $(LOCAL_NDK_STL_VARIANT)))
125    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libcxx/include \
126                               $(my_ndk_source_root)/cxx-stl/llvm-libc++/gabi++/include \
127                               $(my_ndk_source_root)/android/support/include
128    ifeq (c++_static,$(LOCAL_NDK_STL_VARIANT))
129      my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_static.a
130    else
131      my_ndk_stl_shared_lib_fullpath := $(my_ndk_source_root)/cxx-stl/llvm-libc++/libs/$(my_cpu_variant)/libc++_shared.so
132      my_ndk_stl_shared_lib := -lc++_shared
133    endif
134    my_ndk_stl_cppflags := -std=c++11
135  else
136    # LOCAL_NDK_STL_VARIANT is gnustl_static
137    my_ndk_stl_include_path := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/include \
138                               $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/include
139    my_ndk_stl_static_lib := $(my_ndk_source_root)/cxx-stl/gnu-libstdc++/$($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_NDK_GCC_VERSION)/libs/$(my_cpu_variant)/libgnustl_static.a
140  endif
141  endif
142  endif
143endif
144
145# MinGW spits out warnings about -fPIC even for -fpie?!) being ignored because
146# all code is position independent, and then those warnings get promoted to
147# errors.
148ifneq ($($(my_prefix)OS),windows)
149ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
150my_cflags += -fpie
151else
152my_cflags += -fPIC
153endif
154endif
155
156ifdef LOCAL_IS_HOST_MODULE
157my_src_files += $(LOCAL_SRC_FILES_$($(my_prefix)OS)) $(LOCAL_SRC_FILES_$($(my_prefix)OS)_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
158my_static_libraries += $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)OS))
159my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$($(my_prefix)OS))
160my_cflags += $(LOCAL_CFLAGS_$($(my_prefix)OS))
161my_cppflags += $(LOCAL_CPPFLAGS_$($(my_prefix)OS))
162my_ldflags += $(LOCAL_LDFLAGS_$($(my_prefix)OS))
163my_ldlibs += $(LOCAL_LDLIBS_$($(my_prefix)OS))
164my_asflags += $(LOCAL_ASFLAGS_$($(my_prefix)OS))
165my_c_includes += $(LOCAL_C_INCLUDES_$($(my_prefix)OS))
166my_generated_sources += $(LOCAL_GENERATED_SOURCES_$($(my_prefix)OS))
167endif
168
169my_src_files += $(LOCAL_SRC_FILES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SRC_FILES_$(my_32_64_bit_suffix))
170my_shared_libraries += $(LOCAL_SHARED_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_SHARED_LIBRARIES_$(my_32_64_bit_suffix))
171my_cflags += $(LOCAL_CFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CFLAGS_$(my_32_64_bit_suffix))
172my_cppflags += $(LOCAL_CPPFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CPPFLAGS_$(my_32_64_bit_suffix))
173my_ldflags += $(LOCAL_LDFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_LDFLAGS_$(my_32_64_bit_suffix))
174my_asflags += $(LOCAL_ASFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_ASFLAGS_$(my_32_64_bit_suffix))
175my_c_includes += $(LOCAL_C_INCLUDES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_C_INCLUDES_$(my_32_64_bit_suffix))
176my_generated_sources += $(LOCAL_GENERATED_SOURCES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_GENERATED_SOURCES_$(my_32_64_bit_suffix))
177
178my_clang := $(strip $(LOCAL_CLANG))
179ifdef LOCAL_CLANG_$(my_32_64_bit_suffix)
180my_clang := $(strip $(LOCAL_CLANG_$(my_32_64_bit_suffix)))
181endif
182ifdef LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)
183my_clang := $(strip $(LOCAL_CLANG_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)))
184endif
185
186# clang is enabled by default for host builds
187# enable it unless we've specifically disabled clang above
188ifdef LOCAL_IS_HOST_MODULE
189    ifneq ($($(my_prefix)OS),windows)
190    ifeq ($(my_clang),)
191        my_clang := true
192    endif
193    endif
194# Add option to make clang the default for device build
195else ifeq ($(USE_CLANG_PLATFORM_BUILD),true)
196    ifeq ($(my_clang),)
197        my_clang := true
198    endif
199endif
200
201my_cpp_std_version := -std=gnu++14
202ifdef LOCAL_SDK_VERSION
203    # The NDK handles this itself.
204    my_cpp_std_version :=
205endif
206
207ifdef LOCAL_IS_HOST_MODULE
208    ifneq ($(my_clang),true)
209        # The host GCC doesn't support C++14 (and is deprecated, so likely
210        # never will). Build these modules with C++11.
211        my_cpp_std_version := -std=gnu++11
212    endif
213endif
214
215my_cppflags := $(my_cpp_std_version) $(my_cppflags)
216
217
218# arch-specific static libraries go first so that generic ones can depend on them
219my_static_libraries := $(LOCAL_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_static_libraries)
220my_whole_static_libraries := $(LOCAL_WHOLE_STATIC_LIBRARIES_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_WHOLE_STATIC_LIBRARIES_$(my_32_64_bit_suffix)) $(my_whole_static_libraries)
221
222include $(BUILD_SYSTEM)/cxx_stl_setup.mk
223
224# Add static HAL libraries
225ifdef LOCAL_HAL_STATIC_LIBRARIES
226$(foreach lib, $(LOCAL_HAL_STATIC_LIBRARIES), \
227    $(eval b_lib := $(filter $(lib).%,$(BOARD_HAL_STATIC_LIBRARIES)))\
228    $(if $(b_lib), $(eval my_static_libraries += $(b_lib)),\
229                   $(eval my_static_libraries += $(lib).default)))
230b_lib :=
231endif
232
233my_linker := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_LINKER)
234
235include $(BUILD_SYSTEM)/config_sanitizers.mk
236
237# Add in libcompiler_rt for all regular device builds
238ifeq (,$(LOCAL_SDK_VERSION)$(WITHOUT_LIBCOMPILER_RT))
239  my_static_libraries += $(COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES)
240endif
241
242####################################################
243## Add FDO flags if FDO is turned on and supported
244## Please note that we will do option filtering during FDO build.
245## i.e. Os->O2, remove -fno-early-inline and -finline-limit.
246##################################################################
247my_fdo_build :=
248ifneq ($(filter true always, $(LOCAL_FDO_SUPPORT)),)
249  ifeq ($(BUILD_FDO_INSTRUMENT),true)
250    my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_CFLAGS)
251    my_ldflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_INSTRUMENT_LDFLAGS)
252    my_fdo_build := true
253  else ifneq ($(filter true,$(BUILD_FDO_OPTIMIZE))$(filter always,$(LOCAL_FDO_SUPPORT)),)
254    my_cflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_FDO_OPTIMIZE_CFLAGS)
255    my_fdo_build := true
256  endif
257  # Disable ccache (or other compiler wrapper).
258  my_cc_wrapper :=
259  my_cxx_wrapper :=
260endif
261
262###########################################################
263## Explicitly declare assembly-only __ASSEMBLY__ macro for
264## assembly source
265###########################################################
266my_asflags += -D__ASSEMBLY__
267
268
269###########################################################
270## Define PRIVATE_ variables from global vars
271###########################################################
272ifndef LOCAL_IS_HOST_MODULE
273ifdef LOCAL_SDK_VERSION
274my_target_project_includes :=
275my_target_c_includes := $(my_ndk_stl_include_path) $(my_ndk_sysroot_include)
276my_target_global_cppflags := $(my_ndk_stl_cppflags)
277else
278my_target_project_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_PROJECT_INCLUDES)
279my_target_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_C_INCLUDES)
280my_target_global_cppflags :=
281endif # LOCAL_SDK_VERSION
282
283ifeq ($(my_clang),true)
284my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CFLAGS)
285my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CONLYFLAGS)
286my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_CPPFLAGS)
287my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_TARGET_GLOBAL_LDFLAGS)
288else
289my_target_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CFLAGS)
290my_target_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CONLYFLAGS)
291my_target_global_cppflags += $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_CPPFLAGS)
292my_target_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_GLOBAL_LDFLAGS)
293endif # my_clang
294
295$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_PROJECT_INCLUDES := $(my_target_project_includes)
296$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_C_INCLUDES := $(my_target_c_includes)
297$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CFLAGS := $(my_target_global_cflags)
298$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CONLYFLAGS := $(my_target_global_conlyflags)
299$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_CPPFLAGS := $(my_target_global_cppflags)
300$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(my_target_global_ldflags)
301
302else # LOCAL_IS_HOST_MODULE
303
304ifeq ($(my_clang),true)
305my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CFLAGS)
306my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CONLYFLAGS)
307my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_CPPFLAGS)
308my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)CLANG_$(my_prefix)GLOBAL_LDFLAGS)
309my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)C_INCLUDES)
310else
311my_host_global_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CFLAGS)
312my_host_global_conlyflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CONLYFLAGS)
313my_host_global_cppflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_CPPFLAGS)
314my_host_global_ldflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)GLOBAL_LDFLAGS)
315my_host_c_includes := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)C_INCLUDES)
316endif # my_clang
317
318$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_C_INCLUDES := $(my_host_c_includes)
319$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CFLAGS := $(my_host_global_cflags)
320$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CONLYFLAGS := $(my_host_global_conlyflags)
321$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_CPPFLAGS := $(my_host_global_cppflags)
322$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_HOST_GLOBAL_LDFLAGS := $(my_host_global_ldflags)
323endif # LOCAL_IS_HOST_MODULE
324
325# To enable coverage for a given module, set LOCAL_NATIVE_COVERAGE=true and
326# build with NATIVE_COVERAGE=true in your enviornment. Note that the build
327# system is not sensitive to changes to NATIVE_COVERAGE, so you should do a
328# clean build of your module after toggling it.
329ifeq ($(NATIVE_COVERAGE),true)
330    ifeq ($(my_native_coverage),true)
331        # Note that clang coverage doesn't play nicely with acov out of the box.
332        # Clang apparently generates .gcno files that aren't compatible with
333        # gcov-4.8.  This can be solved by installing gcc-4.6 and invoking lcov
334        # with `--gcov-tool /usr/bin/gcov-4.6`.
335        #
336        # http://stackoverflow.com/questions/17758126/clang-code-coverage-invalid-output
337        my_cflags += --coverage -O0
338        my_ldflags += --coverage
339    endif
340else
341    my_native_coverage := false
342endif
343
344###########################################################
345## Define PRIVATE_ variables used by multiple module types
346###########################################################
347$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \
348    $(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS))
349
350ifeq ($(strip $(WITH_SYNTAX_CHECK)),)
351  LOCAL_NO_SYNTAX_CHECK := true
352endif
353
354ifeq ($(strip $(WITH_STATIC_ANALYZER)),)
355  LOCAL_NO_STATIC_ANALYZER := true
356endif
357
358ifneq ($(strip $(LOCAL_IS_HOST_MODULE)),)
359  my_syntax_arch := host
360else
361  my_syntax_arch := $(TARGET_$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)
362endif
363
364ifeq ($(strip $(my_cc)),)
365  ifeq ($(my_clang),true)
366    my_cc := $(CLANG)
367  else
368    my_cc := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CC)
369  endif
370  my_cc := $(my_cc_wrapper) $(my_cc)
371endif
372ifneq ($(LOCAL_NO_STATIC_ANALYZER),true)
373  my_cc := $(SYNTAX_TOOLS_PREFIX)/ccc-analyzer $(my_syntax_arch) "$(my_cc)"
374else
375ifneq ($(LOCAL_NO_SYNTAX_CHECK),true)
376  my_cc := $(SYNTAX_TOOLS_PREFIX)/ccc-syntax $(my_syntax_arch) "$(my_cc)"
377endif
378endif
379$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(my_cc)
380
381ifeq ($(strip $(my_cxx)),)
382  ifeq ($(my_clang),true)
383    my_cxx := $(CLANG_CXX)
384  else
385    my_cxx := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)CXX)
386  endif
387  my_cxx := $(my_cxx_wrapper) $(my_cxx)
388endif
389ifneq ($(LOCAL_NO_STATIC_ANALYZER),true)
390  my_cxx := $(SYNTAX_TOOLS_PREFIX)/cxx-analyzer $(my_syntax_arch) "$(my_cxx)"
391else
392ifneq ($(LOCAL_NO_SYNTAX_CHECK),true)
393  my_cxx := $(SYNTAX_TOOLS_PREFIX)/cxx-syntax $(my_syntax_arch) "$(my_cxx)"
394endif
395endif
396$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LINKER := $(my_linker)
397$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(my_cxx)
398$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CLANG := $(my_clang)
399
400# TODO: support a mix of standard extensions so that this isn't necessary
401LOCAL_CPP_EXTENSION := $(strip $(LOCAL_CPP_EXTENSION))
402ifeq ($(LOCAL_CPP_EXTENSION),)
403  LOCAL_CPP_EXTENSION := .cpp
404endif
405$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPP_EXTENSION := $(LOCAL_CPP_EXTENSION)
406
407# Certain modules like libdl have to have symbols resolved at runtime and blow
408# up if --no-undefined is passed to the linker.
409ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),)
410ifeq ($(my_allow_undefined_symbols),)
411  my_ldflags +=  $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)NO_UNDEFINED_LDFLAGS)
412endif
413endif
414
415# Target modules shouldn't re-export libgcc.a because we don't want other
416# binaries importing them when they should be getting their own copy of the
417# builtins.
418#
419# Unfortunately --exclude-libs always overrides all other attempts to make a
420# symbol visible, and libc needs to make sure some of these symbols are
421# available for binary compatibility, so libc needs a way to disable this.
422ifneq ($(strip $(LOCAL_NO_EXCLUDE_LIBS)),true)
423  my_ldflags += -Wl,--exclude-libs,libgcc.a
424endif
425
426ifeq (true,$(LOCAL_GROUP_STATIC_LIBRARIES))
427$(LOCAL_BUILT_MODULE): PRIVATE_GROUP_STATIC_LIBRARIES := true
428else
429$(LOCAL_BUILT_MODULE): PRIVATE_GROUP_STATIC_LIBRARIES :=
430endif
431
432###########################################################
433## Define arm-vs-thumb-mode flags.
434###########################################################
435LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE))
436ifeq ($($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH),arm)
437arm_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),arm)
438normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb)
439
440# Read the values from something like TARGET_arm_CFLAGS or
441# TARGET_thumb_CFLAGS.  HOST_(arm|thumb)_CFLAGS values aren't
442# actually used (although they are usually empty).
443arm_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(arm_objects_mode)_CFLAGS)
444normal_objects_cflags := $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)$(normal_objects_mode)_CFLAGS)
445ifeq ($(my_clang),true)
446arm_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(arm_objects_cflags))
447normal_objects_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(normal_objects_cflags))
448endif
449
450else
451arm_objects_mode :=
452normal_objects_mode :=
453arm_objects_cflags :=
454normal_objects_cflags :=
455endif
456
457###########################################################
458## Define per-module debugging flags.  Users can turn on
459## debugging for a particular module by setting DEBUG_MODULE_ModuleName
460## to a non-empty value in their environment or buildspec.mk,
461## and setting HOST_/TARGET_CUSTOM_DEBUG_CFLAGS to the
462## debug flags that they want to use.
463###########################################################
464ifdef DEBUG_MODULE_$(strip $(LOCAL_MODULE))
465  debug_cflags := $($(my_prefix)CUSTOM_DEBUG_CFLAGS)
466else
467  debug_cflags :=
468endif
469
470####################################################
471## Compile RenderScript with reflected C++
472####################################################
473
474renderscript_sources := $(filter %.rs %.fs,$(my_src_files))
475
476ifneq (,$(renderscript_sources))
477
478renderscript_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(renderscript_sources))
479RenderScript_file_stamp := $(intermediates)/RenderScriptCPP.stamp
480renderscript_intermediate := $(intermediates)/renderscript
481
482renderscript_target_api :=
483
484ifneq (,$(LOCAL_RENDERSCRIPT_TARGET_API))
485renderscript_target_api := $(LOCAL_RENDERSCRIPT_TARGET_API)
486else
487ifneq (,$(LOCAL_SDK_VERSION))
488# Set target-api for LOCAL_SDK_VERSIONs other than current.
489ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
490renderscript_target_api := $(LOCAL_SDK_VERSION)
491endif
492endif  # LOCAL_SDK_VERSION is set
493endif  # LOCAL_RENDERSCRIPT_TARGET_API is set
494
495
496ifeq ($(LOCAL_RENDERSCRIPT_CC),)
497LOCAL_RENDERSCRIPT_CC := $(LLVM_RS_CC)
498endif
499
500# Turn on all warnings and warnings as errors for RS compiles.
501# This can be disabled with LOCAL_RENDERSCRIPT_FLAGS := -Wno-error
502renderscript_flags := -Wall -Werror
503renderscript_flags += $(LOCAL_RENDERSCRIPT_FLAGS)
504# -m32 or -m64
505renderscript_flags += -m$(my_32_64_bit_suffix)
506
507renderscript_includes := \
508    $(TOPDIR)external/clang/lib/Headers \
509    $(TOPDIR)frameworks/rs/scriptc \
510    $(LOCAL_RENDERSCRIPT_INCLUDES)
511
512ifneq ($(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE),)
513renderscript_includes := $(LOCAL_RENDERSCRIPT_INCLUDES_OVERRIDE)
514endif
515
516bc_dep_files := $(addprefix $(renderscript_intermediate)/, \
517    $(patsubst %.fs,%.d, $(patsubst %.rs,%.d, $(notdir $(renderscript_sources)))))
518
519$(RenderScript_file_stamp): PRIVATE_RS_INCLUDES := $(renderscript_includes)
520$(RenderScript_file_stamp): PRIVATE_RS_CC := $(LOCAL_RENDERSCRIPT_CC)
521$(RenderScript_file_stamp): PRIVATE_RS_FLAGS := $(renderscript_flags)
522$(RenderScript_file_stamp): PRIVATE_RS_SOURCE_FILES := $(renderscript_sources_fullpath)
523$(RenderScript_file_stamp): PRIVATE_RS_OUTPUT_DIR := $(renderscript_intermediate)
524$(RenderScript_file_stamp): PRIVATE_RS_TARGET_API := $(renderscript_target_api)
525$(RenderScript_file_stamp): PRIVATE_DEP_FILES := $(bc_dep_files)
526$(RenderScript_file_stamp): $(renderscript_sources_fullpath) $(LOCAL_RENDERSCRIPT_CC)
527	$(transform-renderscripts-to-cpp-and-bc)
528
529# include the dependency files (.d/.P) generated by llvm-rs-cc.
530-include $(bc_dep_files:%.d=%.P)
531
532LOCAL_INTERMEDIATE_TARGETS += $(RenderScript_file_stamp)
533
534rs_generated_cpps := $(addprefix \
535    $(renderscript_intermediate)/ScriptC_,$(patsubst %.fs,%.cpp, $(patsubst %.rs,%.cpp, \
536    $(notdir $(renderscript_sources)))))
537
538# This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
539$(rs_generated_cpps) : $(RenderScript_file_stamp)
540	@echo "Updated RS generated cpp file $@."
541
542my_c_includes += $(renderscript_intermediate)
543my_generated_sources += $(rs_generated_cpps)
544
545endif
546
547
548###########################################################
549## Stuff source generated from one-off tools
550###########################################################
551$(my_generated_sources): PRIVATE_MODULE := $(my_register_name)
552
553my_gen_sources_copy := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(filter $(generated_sources_dir)/%,$(my_generated_sources)))
554
555$(my_gen_sources_copy): $(intermediates)/% : $(generated_sources_dir)/% | $(ACP)
556	@echo "Copy: $@"
557	$(copy-file-to-target)
558
559my_generated_sources := $(patsubst $(generated_sources_dir)/%,$(intermediates)/%,$(my_generated_sources))
560
561ALL_GENERATED_SOURCES += $(my_generated_sources)
562
563###########################################################
564## Compile the .proto files to .cc (or .c) and then to .o
565###########################################################
566proto_sources := $(filter %.proto,$(my_src_files))
567proto_generated_objects :=
568proto_generated_headers :=
569ifneq ($(proto_sources),)
570proto_generated_sources_dir := $(generated_sources_dir)/proto
571proto_generated_obj_dir := $(intermediates)/proto
572
573ifneq (,$(filter nanopb-c nanopb-c-enable_malloc, $(LOCAL_PROTOC_OPTIMIZE_TYPE)))
574my_proto_source_suffix := .c
575my_proto_c_includes := external/nanopb-c
576my_protoc_flags := --nanopb_out=$(proto_generated_sources_dir) \
577    --plugin=external/nanopb-c/generator/protoc-gen-nanopb
578else
579my_proto_source_suffix := .cc
580my_proto_c_includes := external/protobuf/src
581my_cflags += -DGOOGLE_PROTOBUF_NO_RTTI
582my_protoc_flags := --cpp_out=$(proto_generated_sources_dir)
583endif
584my_proto_c_includes += $(proto_generated_sources_dir)
585
586proto_sources_fullpath := $(addprefix $(LOCAL_PATH)/, $(proto_sources))
587proto_generated_sources := $(addprefix $(proto_generated_sources_dir)/, \
588    $(patsubst %.proto,%.pb$(my_proto_source_suffix),$(proto_sources_fullpath)))
589proto_generated_headers := $(patsubst %.pb$(my_proto_source_suffix),%.pb.h, $(proto_generated_sources))
590proto_generated_objects := $(addprefix $(proto_generated_obj_dir)/, \
591    $(patsubst %.proto,%.pb.o,$(proto_sources_fullpath)))
592
593# Ensure the transform-proto-to-cc rule is only defined once in multilib build.
594ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined
595$(proto_generated_sources): PRIVATE_PROTO_INCLUDES := $(TOP)
596$(proto_generated_sources): PRIVATE_PROTOC_FLAGS := $(LOCAL_PROTOC_FLAGS) $(my_protoc_flags)
597$(proto_generated_sources): $(proto_generated_sources_dir)/%.pb$(my_proto_source_suffix): %.proto $(PROTOC)
598	$(transform-proto-to-cc)
599
600# This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
601$(proto_generated_headers): $(proto_generated_sources_dir)/%.pb.h: $(proto_generated_sources_dir)/%.pb$(my_proto_source_suffix)
602	@echo "Updated header file $@."
603
604$(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_proto_defined := true
605endif  # transform-proto-to-cc rule included only once
606
607$(proto_generated_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
608$(proto_generated_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
609$(proto_generated_objects): $(proto_generated_obj_dir)/%.o: $(proto_generated_sources_dir)/%$(my_proto_source_suffix) $(proto_generated_headers)
610ifeq ($(my_proto_source_suffix),.c)
611	$(transform-$(PRIVATE_HOST)c-to-o)
612else
613	$(transform-$(PRIVATE_HOST)cpp-to-o)
614endif
615-include $(proto_generated_objects:%.o=%.P)
616
617my_c_includes += $(my_proto_c_includes)
618# Auto-export the generated proto source dir.
619my_export_c_include_dirs += $(my_proto_c_includes)
620
621ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nanopb-c-enable_malloc)
622    my_static_libraries += libprotobuf-c-nano-enable_malloc
623else ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),nanopb-c)
624    my_static_libraries += libprotobuf-c-nano
625else ifeq ($(LOCAL_PROTOC_OPTIMIZE_TYPE),full)
626    ifdef LOCAL_SDK_VERSION
627        my_static_libraries += libprotobuf-cpp-full-ndk
628    else
629        my_shared_libraries += libprotobuf-cpp-full
630    endif
631else
632    ifdef LOCAL_SDK_VERSION
633        my_static_libraries += libprotobuf-cpp-lite-ndk
634    else
635        my_shared_libraries += libprotobuf-cpp-lite
636    endif
637endif
638endif  # $(proto_sources) non-empty
639
640###########################################################
641## Compile the .dbus-xml files to c++ headers
642###########################################################
643dbus_definitions := $(filter %.dbus-xml,$(my_src_files))
644dbus_generated_headers :=
645ifneq ($(dbus_definitions),)
646
647dbus_definition_paths := $(addprefix $(LOCAL_PATH)/,$(dbus_definitions))
648dbus_service_config := $(filter %dbus-service-config.json,$(my_src_files))
649dbus_service_config_path := $(addprefix $(LOCAL_PATH)/,$(dbus_service_config))
650
651dbus_gen_dir := $(generated_sources_dir)/dbus_bindings
652
653ifdef LOCAL_DBUS_PROXY_PREFIX
654dbus_header_dir := $(dbus_gen_dir)/include/$(LOCAL_DBUS_PROXY_PREFIX)
655dbus_headers := dbus-proxies.h
656else
657dbus_header_dir := $(dbus_gen_dir)
658dbus_headers := $(patsubst %.dbus-xml,%.h,$(dbus_definitions))
659endif
660dbus_generated_headers := $(addprefix $(dbus_header_dir)/,$(dbus_headers))
661
662# Ensure that we only define build rules once in multilib builds.
663ifndef $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined
664$(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined := true
665
666$(dbus_generated_headers): PRIVATE_MODULE := $(LOCAL_MODULE)
667$(dbus_generated_headers): PRIVATE_DBUS_SERVICE_CONFIG := $(dbus_service_config_path)
668$(dbus_generated_headers) : $(dbus_service_config_path) $(DBUS_GENERATOR)
669ifdef LOCAL_DBUS_PROXY_PREFIX
670$(dbus_generated_headers) : $(dbus_definition_paths)
671	$(generate-dbus-proxies)
672
673# Auto-export the generated dbus proxy directory.
674my_export_c_include_dirs += $(dbus_gen_dir)/include
675my_c_includes += $(dbus_gen_dir)/include
676else
677$(dbus_generated_headers) : $(dbus_header_dir)/%.h : $(LOCAL_PATH)/%.dbus-xml
678	$(generate-dbus-adaptors)
679
680my_export_c_include_dirs += $(dbus_header_dir)
681my_c_includes += $(dbus_header_dir)
682endif  # $(LOCAL_DBUS_PROXY_PREFIX)
683endif  # $(my_prefix)_$(LOCAL_MODULE_CLASS)_$(LOCAL_MODULE)_dbus_bindings_defined
684
685my_generated_sources += $(dbus_generated_headers)
686
687endif  # $(dbus_definitions) non-empty
688
689
690###########################################################
691## YACC: Compile .y and .yy files to .cpp and the to .o.
692###########################################################
693
694y_yacc_sources := $(filter %.y,$(my_src_files))
695y_yacc_cpps := $(addprefix \
696    $(intermediates)/,$(y_yacc_sources:.y=$(LOCAL_CPP_EXTENSION)))
697
698yy_yacc_sources := $(filter %.yy,$(my_src_files))
699yy_yacc_cpps := $(addprefix \
700    $(intermediates)/,$(yy_yacc_sources:.yy=$(LOCAL_CPP_EXTENSION)))
701
702yacc_cpps := $(y_yacc_cpps) $(yy_yacc_cpps)
703yacc_headers := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.h)
704yacc_objects := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.o)
705
706ifneq ($(strip $(y_yacc_cpps)),)
707$(y_yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
708    $(TOPDIR)$(LOCAL_PATH)/%.y \
709    $(lex_cpps) $(my_additional_dependencies)
710	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
711$(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
712endif
713
714ifneq ($(strip $(yy_yacc_cpps)),)
715$(yy_yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
716    $(TOPDIR)$(LOCAL_PATH)/%.yy \
717    $(lex_cpps) $(my_additional_dependencies)
718	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
719$(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
720endif
721
722ifneq ($(strip $(yacc_cpps)),)
723$(yacc_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
724$(yacc_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
725$(yacc_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
726	$(transform-$(PRIVATE_HOST)cpp-to-o)
727endif
728
729###########################################################
730## LEX: Compile .l and .ll files to .cpp and then to .o.
731###########################################################
732
733l_lex_sources := $(filter %.l,$(my_src_files))
734l_lex_cpps := $(addprefix \
735    $(intermediates)/,$(l_lex_sources:.l=$(LOCAL_CPP_EXTENSION)))
736
737ll_lex_sources := $(filter %.ll,$(my_src_files))
738ll_lex_cpps := $(addprefix \
739    $(intermediates)/,$(ll_lex_sources:.ll=$(LOCAL_CPP_EXTENSION)))
740
741lex_cpps := $(l_lex_cpps) $(ll_lex_cpps)
742lex_objects := $(lex_cpps:$(LOCAL_CPP_EXTENSION)=.o)
743
744ifneq ($(strip $(l_lex_cpps)),)
745$(l_lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
746    $(TOPDIR)$(LOCAL_PATH)/%.l
747	$(transform-l-to-cpp)
748endif
749
750ifneq ($(strip $(ll_lex_cpps)),)
751$(ll_lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
752    $(TOPDIR)$(LOCAL_PATH)/%.ll
753	$(transform-l-to-cpp)
754endif
755
756ifneq ($(strip $(lex_cpps)),)
757$(lex_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
758$(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
759$(lex_objects): $(intermediates)/%.o: \
760    $(intermediates)/%$(LOCAL_CPP_EXTENSION) \
761    $(my_additional_dependencies) \
762    $(yacc_headers)
763	$(transform-$(PRIVATE_HOST)cpp-to-o)
764endif
765
766###########################################################
767## C++: Compile .cpp files to .o.
768###########################################################
769
770# we also do this on host modules, even though
771# it's not really arm, because there are files that are shared.
772cpp_arm_sources := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(my_src_files)))
773dotdot_arm_sources := $(filter ../%,$(cpp_arm_sources))
774cpp_arm_sources := $(filter-out ../%,$(cpp_arm_sources))
775cpp_arm_objects := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o))
776
777# For source files starting with ../, we remove all the ../ in the object file path,
778# to avoid object file escaping the intermediate directory.
779dotdot_arm_objects :=
780$(foreach s,$(dotdot_arm_sources),\
781  $(eval $(call compile-dotdot-cpp-file,$(s),\
782  $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\
783  dotdot_arm_objects)))
784
785dotdot_sources := $(filter ../%$(LOCAL_CPP_EXTENSION),$(my_src_files))
786dotdot_objects :=
787$(foreach s,$(dotdot_sources),\
788  $(eval $(call compile-dotdot-cpp-file,$(s),\
789    $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\
790    dotdot_objects)))
791
792cpp_normal_sources := $(filter-out ../%,$(filter %$(LOCAL_CPP_EXTENSION),$(my_src_files)))
793cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o))
794
795$(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
796$(dotdot_arm_objects) $(cpp_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
797$(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
798$(dotdot_objects) $(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
799
800cpp_objects        := $(cpp_arm_objects) $(cpp_normal_objects)
801
802ifneq ($(strip $(cpp_objects)),)
803$(cpp_objects): $(intermediates)/%.o: \
804    $(TOPDIR)$(LOCAL_PATH)/%$(LOCAL_CPP_EXTENSION) \
805    $(yacc_cpps) $(proto_generated_headers) \
806    $(my_additional_dependencies)
807	$(transform-$(PRIVATE_HOST)cpp-to-o)
808-include $(cpp_objects:%.o=%.P)
809endif
810
811cpp_objects += $(dotdot_arm_objects) $(dotdot_objects)
812
813###########################################################
814## C++: Compile generated .cpp files to .o.
815###########################################################
816
817gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(my_generated_sources))
818gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o)
819
820ifneq ($(strip $(gen_cpp_objects)),)
821# Compile all generated files as thumb.
822# TODO: support compiling certain generated files as arm.
823$(gen_cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
824$(gen_cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
825$(gen_cpp_objects): $(intermediates)/%.o: \
826    $(intermediates)/%$(LOCAL_CPP_EXTENSION) $(yacc_cpps) \
827    $(proto_generated_headers) \
828    $(my_additional_dependencies)
829	$(transform-$(PRIVATE_HOST)cpp-to-o)
830-include $(gen_cpp_objects:%.o=%.P)
831endif
832
833###########################################################
834## S: Compile generated .S and .s files to .o.
835###########################################################
836
837gen_S_sources := $(filter %.S,$(my_generated_sources))
838gen_S_objects := $(gen_S_sources:%.S=%.o)
839
840ifneq ($(strip $(gen_S_sources)),)
841$(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S \
842    $(my_additional_dependencies)
843	$(transform-$(PRIVATE_HOST)s-to-o)
844-include $(gen_S_objects:%.o=%.P)
845endif
846
847gen_s_sources := $(filter %.s,$(my_generated_sources))
848gen_s_objects := $(gen_s_sources:%.s=%.o)
849
850ifneq ($(strip $(gen_s_objects)),)
851$(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s \
852    $(my_additional_dependencies)
853	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
854-include $(gen_s_objects:%.o=%.P)
855endif
856
857gen_asm_objects := $(gen_S_objects) $(gen_s_objects)
858
859###########################################################
860## o: Include generated .o files in output.
861###########################################################
862
863gen_o_objects := $(filter %.o,$(my_generated_sources))
864
865###########################################################
866## C: Compile .c files to .o.
867###########################################################
868
869c_arm_sources := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(my_src_files)))
870dotdot_arm_sources := $(filter ../%,$(c_arm_sources))
871c_arm_sources := $(filter-out ../%,$(c_arm_sources))
872c_arm_objects := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o))
873
874# For source files starting with ../, we remove all the ../ in the object file path,
875# to avoid object file escaping the intermediate directory.
876dotdot_arm_objects :=
877$(foreach s,$(dotdot_arm_sources),\
878  $(eval $(call compile-dotdot-c-file,$(s),\
879    $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\
880    dotdot_arm_objects)))
881
882dotdot_sources := $(filter ../%.c, $(my_src_files))
883dotdot_objects :=
884$(foreach s, $(dotdot_sources),\
885  $(eval $(call compile-dotdot-c-file,$(s),\
886    $(yacc_cpps) $(proto_generated_headers) $(my_additional_dependencies),\
887    dotdot_objects)))
888
889c_normal_sources := $(filter-out ../%,$(filter %.c,$(my_src_files)))
890c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o))
891
892$(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode)
893$(dotdot_arm_objects) $(c_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
894$(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
895$(dotdot_objects) $(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
896
897c_objects        := $(c_arm_objects) $(c_normal_objects)
898
899ifneq ($(strip $(c_objects)),)
900$(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(proto_generated_headers) \
901    $(my_additional_dependencies)
902	$(transform-$(PRIVATE_HOST)c-to-o)
903-include $(c_objects:%.o=%.P)
904endif
905
906c_objects += $(dotdot_arm_objects) $(dotdot_objects)
907
908###########################################################
909## C: Compile generated .c files to .o.
910###########################################################
911
912gen_c_sources := $(filter %.c,$(my_generated_sources))
913gen_c_objects := $(gen_c_sources:%.c=%.o)
914
915ifneq ($(strip $(gen_c_objects)),)
916# Compile all generated files as thumb.
917# TODO: support compiling certain generated files as arm.
918$(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
919$(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
920$(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(proto_generated_headers) \
921    $(my_additional_dependencies)
922	$(transform-$(PRIVATE_HOST)c-to-o)
923-include $(gen_c_objects:%.o=%.P)
924endif
925
926###########################################################
927## ObjC: Compile .m files to .o
928###########################################################
929
930objc_sources := $(filter %.m,$(my_src_files))
931objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o))
932
933ifneq ($(strip $(objc_objects)),)
934$(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(proto_generated_headers) \
935    $(my_additional_dependencies)
936	$(transform-$(PRIVATE_HOST)m-to-o)
937-include $(objc_objects:%.o=%.P)
938endif
939
940###########################################################
941## ObjC++: Compile .mm files to .o
942###########################################################
943
944objcpp_sources := $(filter %.mm,$(my_src_files))
945objcpp_objects := $(addprefix $(intermediates)/,$(objcpp_sources:.mm=.o))
946
947ifneq ($(strip $(objcpp_objects)),)
948$(objcpp_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.mm $(yacc_cpps) $(proto_generated_headers) \
949    $(my_additional_dependencies)
950	$(transform-$(PRIVATE_HOST)mm-to-o)
951-include $(objcpp_objects:%.o=%.P)
952endif
953
954###########################################################
955## AS: Compile .S files to .o.
956###########################################################
957
958asm_sources_S := $(filter %.S,$(my_src_files))
959dotdot_sources := $(filter ../%,$(asm_sources_S))
960asm_sources_S := $(filter-out ../%,$(asm_sources_S))
961asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o))
962
963dotdot_objects_S :=
964$(foreach s,$(dotdot_sources),\
965  $(eval $(call compile-dotdot-s-file,$(s),\
966    $(my_additional_dependencies),\
967    dotdot_objects_S)))
968
969ifneq ($(strip $(asm_objects_S)),)
970$(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S \
971    $(my_additional_dependencies)
972	$(transform-$(PRIVATE_HOST)s-to-o)
973-include $(asm_objects_S:%.o=%.P)
974endif
975
976asm_sources_s := $(filter %.s,$(my_src_files))
977dotdot_sources := $(filter ../%,$(asm_sources_s))
978asm_sources_s := $(filter-out ../%,$(asm_sources_s))
979asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o))
980
981dotdot_objects_s :=
982$(foreach s,$(dotdot_sources),\
983  $(eval $(call compile-dotdot-s-file-no-deps,$(s),\
984    $(my_additional_dependencies),\
985    dotdot_objects_s)))
986
987ifneq ($(strip $(asm_objects_s)),)
988$(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s \
989    $(my_additional_dependencies)
990	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
991endif
992
993asm_objects := $(dotdot_objects_S) $(dotdot_objects_s) $(asm_objects_S) $(asm_objects_s)
994
995
996# .asm for x86/x86_64 needs to be compiled with yasm.
997asm_sources_asm := $(filter %.asm,$(my_src_files))
998ifneq ($(strip $(asm_sources_asm)),)
999asm_objects_asm := $(addprefix $(intermediates)/,$(asm_sources_asm:.asm=.o))
1000$(asm_objects_asm): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.asm \
1001    $(my_additional_dependencies)
1002	$(transform-asm-to-o)
1003
1004asm_objects += $(asm_objects_asm)
1005endif
1006
1007
1008##########################################################
1009## Set up installed module dependency
1010## We cannot compute the full path of the LOCAL_SHARED_LIBRARIES for
1011## they may cusomize their install path with LOCAL_MODULE_PATH
1012##########################################################
1013# Get the list of INSTALLED libraries as module names.
1014ifdef LOCAL_SDK_VERSION
1015  installed_shared_library_module_names := \
1016      $(my_shared_libraries)
1017else
1018  installed_shared_library_module_names := \
1019      $(my_shared_libraries) $(my_system_shared_libraries)
1020endif
1021
1022# The real dependency will be added after all Android.mks are loaded and the install paths
1023# of the shared libraries are determined.
1024ifdef LOCAL_INSTALLED_MODULE
1025ifdef installed_shared_library_module_names
1026$(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)DEPENDENCIES_ON_SHARED_LIBRARIES += \
1027    $(my_register_name):$(LOCAL_INSTALLED_MODULE):$(subst $(space),$(comma),$(sort $(installed_shared_library_module_names)))
1028endif
1029endif
1030
1031
1032####################################################
1033## Import includes
1034####################################################
1035import_includes := $(intermediates)/import_includes
1036import_includes_deps := $(strip \
1037    $(foreach l, $(installed_shared_library_module_names), \
1038      $(call intermediates-dir-for,SHARED_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes) \
1039    $(foreach l, $(my_static_libraries) $(my_whole_static_libraries), \
1040      $(call intermediates-dir-for,STATIC_LIBRARIES,$(l),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/export_includes))
1041$(import_includes): PRIVATE_IMPORT_EXPORT_INCLUDES := $(import_includes_deps)
1042$(import_includes) : $(LOCAL_MODULE_MAKEFILE) $(import_includes_deps)
1043	@echo Import includes file: $@
1044	$(hide) mkdir -p $(dir $@) && rm -f $@
1045ifdef import_includes_deps
1046	$(hide) for f in $(PRIVATE_IMPORT_EXPORT_INCLUDES); do \
1047	  cat $$f >> $@; \
1048	done
1049else
1050	$(hide) touch $@
1051endif
1052
1053###########################################################
1054## Common object handling.
1055###########################################################
1056
1057# some rules depend on asm_objects being first.  If your code depends on
1058# being first, it's reasonable to require it to be assembly
1059normal_objects := \
1060    $(asm_objects) \
1061    $(cpp_objects) \
1062    $(gen_cpp_objects) \
1063    $(gen_asm_objects) \
1064    $(c_objects) \
1065    $(gen_c_objects) \
1066    $(objc_objects) \
1067    $(objcpp_objects) \
1068    $(yacc_objects) \
1069    $(lex_objects) \
1070    $(proto_generated_objects) \
1071    $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))
1072
1073all_objects := $(normal_objects) $(gen_o_objects)
1074
1075my_c_includes += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(generated_sources_dir)
1076
1077ifndef LOCAL_SDK_VERSION
1078  my_c_includes += $(JNI_H_INCLUDE)
1079endif
1080
1081# all_objects includes gen_o_objects which were part of LOCAL_GENERATED_SOURCES;
1082# use normal_objects here to avoid creating circular dependencies. This assumes
1083# that custom build rules which generate .o files don't consume other generated
1084# sources as input (or if they do they take care of that dependency themselves).
1085$(normal_objects) : | $(my_generated_sources)
1086$(all_objects) : | $(import_includes)
1087ALL_C_CPP_ETC_OBJECTS += $(all_objects)
1088
1089
1090###########################################################
1091# Standard library handling.
1092###########################################################
1093
1094###########################################################
1095# The list of libraries that this module will link against are in
1096# these variables.  Each is a list of bare module names like "libc libm".
1097#
1098# LOCAL_SHARED_LIBRARIES
1099# LOCAL_STATIC_LIBRARIES
1100# LOCAL_WHOLE_STATIC_LIBRARIES
1101#
1102# We need to convert the bare names into the dependencies that
1103# we'll use for LOCAL_BUILT_MODULE and LOCAL_INSTALLED_MODULE.
1104# LOCAL_BUILT_MODULE should depend on the BUILT versions of the
1105# libraries, so that simply building this module doesn't force
1106# an install of a library.  Similarly, LOCAL_INSTALLED_MODULE
1107# should depend on the INSTALLED versions of the libraries so
1108# that they get installed when this module does.
1109###########################################################
1110# NOTE:
1111# WHOLE_STATIC_LIBRARIES are libraries that are pulled into the
1112# module without leaving anything out, which is useful for turning
1113# a collection of .a files into a .so file.  Linking against a
1114# normal STATIC_LIBRARY will only pull in code/symbols that are
1115# referenced by the module. (see gcc/ld's --whole-archive option)
1116###########################################################
1117
1118# Get the list of BUILT libraries, which are under
1119# various intermediates directories.
1120so_suffix := $($(my_prefix)SHLIB_SUFFIX)
1121a_suffix := $($(my_prefix)STATIC_LIB_SUFFIX)
1122
1123ifdef LOCAL_SDK_VERSION
1124built_shared_libraries := \
1125    $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
1126      $(addsuffix $(so_suffix), \
1127        $(my_shared_libraries)))
1128
1129# Add the NDK libraries to the built module dependency
1130my_system_shared_libraries_fullpath := \
1131    $(my_ndk_stl_shared_lib_fullpath) \
1132    $(addprefix $(my_ndk_sysroot_lib)/, \
1133        $(addsuffix $(so_suffix), $(my_system_shared_libraries)))
1134
1135built_shared_libraries += $(my_system_shared_libraries_fullpath)
1136else
1137built_shared_libraries := \
1138    $(addprefix $($(LOCAL_2ND_ARCH_VAR_PREFIX)$(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
1139      $(addsuffix $(so_suffix), \
1140        $(installed_shared_library_module_names)))
1141endif
1142
1143built_static_libraries := \
1144    $(foreach lib,$(my_static_libraries), \
1145      $(call intermediates-dir-for, \
1146        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/$(lib)$(a_suffix))
1147
1148ifdef LOCAL_SDK_VERSION
1149built_static_libraries += $(my_ndk_stl_static_lib)
1150endif
1151
1152built_whole_libraries := \
1153    $(foreach lib,$(my_whole_static_libraries), \
1154      $(call intermediates-dir-for, \
1155        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),,$(LOCAL_2ND_ARCH_VAR_PREFIX),$(my_host_cross))/$(lib)$(a_suffix))
1156
1157# We don't care about installed static libraries, since the
1158# libraries have already been linked into the module at that point.
1159# We do, however, care about the NOTICE files for any static
1160# libraries that we use. (see notice_files.mk)
1161
1162installed_static_library_notice_file_targets := \
1163    $(foreach lib,$(my_static_libraries) $(my_whole_static_libraries), \
1164      NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib))
1165
1166# Default is -fno-rtti.
1167ifeq ($(strip $(LOCAL_RTTI_FLAG)),)
1168LOCAL_RTTI_FLAG := -fno-rtti
1169endif
1170
1171###########################################################
1172# Rule-specific variable definitions
1173###########################################################
1174
1175ifeq ($(my_clang),true)
1176my_cflags += $(LOCAL_CLANG_CFLAGS)
1177my_conlyflags += $(LOCAL_CLANG_CONLYFLAGS)
1178my_cppflags += $(LOCAL_CLANG_CPPFLAGS)
1179my_cflags_no_override += $(GLOBAL_CLANG_CFLAGS_NO_OVERRIDE)
1180my_cppflags_no_override += $(GLOBAL_CLANG_CPPFLAGS_NO_OVERRIDE)
1181my_asflags += $(LOCAL_CLANG_ASFLAGS)
1182my_ldflags += $(LOCAL_CLANG_LDFLAGS)
1183my_cflags += $(LOCAL_CLANG_CFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CFLAGS_$(my_32_64_bit_suffix))
1184my_conlyflags += $(LOCAL_CLANG_CONLYFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CONLYFLAGS_$(my_32_64_bit_suffix))
1185my_cppflags += $(LOCAL_CLANG_CPPFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_CPPFLAGS_$(my_32_64_bit_suffix))
1186my_ldflags += $(LOCAL_CLANG_LDFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_LDFLAGS_$(my_32_64_bit_suffix))
1187my_asflags += $(LOCAL_CLANG_ASFLAGS_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) $(LOCAL_CLANG_ASFLAGS_$(my_32_64_bit_suffix))
1188my_cflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cflags))
1189my_cppflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_cppflags))
1190my_asflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_asflags))
1191my_ldflags := $(call $(LOCAL_2ND_ARCH_VAR_PREFIX)convert-to-$(my_host)clang-flags,$(my_ldflags))
1192endif
1193
1194ifeq ($(my_fdo_build), true)
1195  my_cflags := $(patsubst -Os,-O2,$(my_cflags))
1196  fdo_incompatible_flags := -fno-early-inlining -finline-limit=%
1197  my_cflags := $(filter-out $(fdo_incompatible_flags),$(my_cflags))
1198endif
1199
1200# No one should ever use this flag. On GCC it's mere presence will disable all
1201# warnings, even those that are specified after it (contrary to typical warning
1202# flag behavior). This circumvents CFLAGS_NO_OVERRIDE from forcibly enabling the
1203# warnings that are *always* bugs.
1204my_illegal_flags := -w
1205my_cflags := $(filter-out $(my_illegal_flags),$(my_cflags))
1206my_cppflags := $(filter-out $(my_illegal_flags),$(my_cppflags))
1207my_conlyflags := $(filter-out $(my_illegal_flags),$(my_conlyflags))
1208
1209$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS)
1210$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(my_asflags)
1211$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CONLYFLAGS := $(my_conlyflags)
1212$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(my_cflags)
1213$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(my_cppflags)
1214$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS_NO_OVERRIDE := $(my_cflags_no_override)
1215$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS_NO_OVERRIDE := $(my_cppflags_no_override)
1216$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RTTI_FLAG := $(LOCAL_RTTI_FLAG)
1217$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags)
1218$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(my_c_includes)
1219$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_IMPORT_INCLUDES := $(import_includes)
1220$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(my_ldflags)
1221$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(my_ldlibs)
1222
1223# this is really the way to get the files onto the command line instead
1224# of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work
1225$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_SHARED_LIBRARIES := $(built_shared_libraries)
1226$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_STATIC_LIBRARIES := $(built_static_libraries)
1227$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_WHOLE_STATIC_LIBRARIES := $(built_whole_libraries)
1228$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_OBJECTS := $(all_objects)
1229
1230###########################################################
1231# Define library dependencies.
1232###########################################################
1233# all_libraries is used for the dependencies on LOCAL_BUILT_MODULE.
1234all_libraries := \
1235    $(built_shared_libraries) \
1236    $(built_static_libraries) \
1237    $(built_whole_libraries)
1238
1239# Also depend on the notice files for any static libraries that
1240# are linked into this module.  This will force them to be installed
1241# when this module is.
1242$(LOCAL_INSTALLED_MODULE): | $(installed_static_library_notice_file_targets)
1243
1244###########################################################
1245# Export includes
1246###########################################################
1247export_includes := $(intermediates)/export_includes
1248$(export_includes): PRIVATE_EXPORT_C_INCLUDE_DIRS := $(my_export_c_include_dirs)
1249# Make sure .pb.h are already generated before any dependent source files get compiled.
1250$(export_includes) : $(LOCAL_MODULE_MAKEFILE) $(proto_generated_headers) $(dbus_generated_headers)
1251	@echo Export includes file: $< -- $@
1252	$(hide) mkdir -p $(dir $@) && rm -f $@
1253ifdef my_export_c_include_dirs
1254	$(hide) for d in $(PRIVATE_EXPORT_C_INCLUDE_DIRS); do \
1255	        echo "-I $$d" >> $@; \
1256	        done
1257else
1258	$(hide) touch $@
1259endif
1260
1261# Make sure export_includes gets generated when you are running mm/mmm
1262$(LOCAL_BUILT_MODULE) : | $(export_includes)
1263