binary.mk revision 2dcc806af56351dca462225be7ecfad7da5aa8f1 
1###########################################################
2## Standard rules for building binary object files from
3## asm/c/cpp/yacc/lex source files.
4##
5## The list of object files is exported in $(all_objects).
6###########################################################
7
8#######################################
9include $(BUILD_SYSTEM)/base_rules.mk
10#######################################
11
12####################################################
13## Add FDO flags if FDO is turned on and supported
14####################################################
15ifeq ($(strip $(LOCAL_NO_FDO_SUPPORT)),)
16  LOCAL_CFLAGS += $(TARGET_FDO_CFLAGS)
17  LOCAL_CPPFLAGS += $(TARGET_FDO_CFLAGS)
18  LOCAL_LDFLAGS += $(TARGET_FDO_CFLAGS)
19endif
20
21###########################################################
22## Define PRIVATE_ variables used by multiple module types
23###########################################################
24$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \
25	$(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS))
26
27ifeq ($(strip $(LOCAL_CC)),)
28  LOCAL_CC := $($(my_prefix)CC)
29endif
30$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(LOCAL_CC)
31
32ifeq ($(strip $(LOCAL_CXX)),)
33  LOCAL_CXX := $($(my_prefix)CXX)
34endif
35$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(LOCAL_CXX)
36
37# TODO: support a mix of standard extensions so that this isn't necessary
38LOCAL_CPP_EXTENSION := $(strip $(LOCAL_CPP_EXTENSION))
39ifeq ($(LOCAL_CPP_EXTENSION),)
40  LOCAL_CPP_EXTENSION := .cpp
41endif
42$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPP_EXTENSION := $(LOCAL_CPP_EXTENSION)
43
44# Certain modules like libdl have to have symbols resolved at runtime and blow
45# up if --no-undefined is passed to the linker.
46ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),)
47ifeq ($(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)),)
48  LOCAL_LDFLAGS := $(LOCAL_LDFLAGS) $($(my_prefix)NO_UNDEFINED_LDFLAGS)
49endif
50endif
51
52###########################################################
53## Define arm-vs-thumb-mode flags.
54###########################################################
55LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE))
56arm_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),arm)
57normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb)
58
59# Read the values from something like TARGET_arm_CFLAGS or
60# TARGET_thumb_CFLAGS.  HOST_(arm|thumb)_CFLAGS values aren't
61# actually used (although they are usually empty).
62arm_objects_cflags := $($(my_prefix)$(arm_objects_mode)_CFLAGS)
63normal_objects_cflags := $($(my_prefix)$(normal_objects_mode)_CFLAGS)
64
65###########################################################
66## Define per-module debugging flags.  Users can turn on
67## debugging for a particular module by setting DEBUG_MODULE_ModuleName
68## to a non-empty value in their environment or buildspec.mk,
69## and setting HOST_/TARGET_CUSTOM_DEBUG_CFLAGS to the
70## debug flags that they want to use.
71###########################################################
72ifdef DEBUG_MODULE_$(strip $(LOCAL_MODULE))
73  debug_cflags := $($(my_prefix)CUSTOM_DEBUG_CFLAGS)
74else
75  debug_cflags :=
76endif
77
78###########################################################
79## Stuff source generated from one-off tools
80###########################################################
81$(LOCAL_GENERATED_SOURCES): PRIVATE_MODULE := $(LOCAL_MODULE)
82
83ALL_GENERATED_SOURCES += $(LOCAL_GENERATED_SOURCES)
84
85
86###########################################################
87## YACC: Compile .y files to .cpp and the to .o.
88###########################################################
89
90yacc_sources := $(filter %.y,$(LOCAL_SRC_FILES))
91yacc_cpps := $(addprefix \
92	$(intermediates)/,$(yacc_sources:.y=$(LOCAL_CPP_EXTENSION)))
93yacc_headers := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.h)
94yacc_objects := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.o)
95
96ifneq ($(strip $(yacc_cpps)),)
97$(yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
98		$(TOPDIR)$(LOCAL_PATH)/%.y \
99		$(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
100	$(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION))
101$(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
102
103$(yacc_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
104$(yacc_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
105$(yacc_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION)
106	$(transform-$(PRIVATE_HOST)cpp-to-o)
107endif
108
109###########################################################
110## LEX: Compile .l files to .cpp and then to .o.
111###########################################################
112
113lex_sources := $(filter %.l,$(LOCAL_SRC_FILES))
114lex_cpps := $(addprefix \
115	$(intermediates)/,$(lex_sources:.l=$(LOCAL_CPP_EXTENSION)))
116lex_objects := $(lex_cpps:$(LOCAL_CPP_EXTENSION)=.o)
117
118ifneq ($(strip $(lex_cpps)),)
119$(lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \
120		$(TOPDIR)$(LOCAL_PATH)/%.l
121	$(transform-l-to-cpp)
122
123$(lex_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
124$(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
125$(lex_objects): $(intermediates)/%.o: \
126		$(intermediates)/%$(LOCAL_CPP_EXTENSION) \
127		$(LOCAL_ADDITIONAL_DEPENDENCIES) \
128		$(yacc_headers)
129	$(transform-$(PRIVATE_HOST)cpp-to-o)
130endif
131
132###########################################################
133## C++: Compile .cpp files to .o.
134###########################################################
135
136# we also do this on host modules and sim builds, even though
137# it's not really arm, because there are files that are shared.
138cpp_arm_sources    := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(LOCAL_SRC_FILES)))
139cpp_arm_objects    := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o))
140
141cpp_normal_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_SRC_FILES))
142cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o))
143
144$(cpp_arm_objects):    PRIVATE_ARM_MODE := $(arm_objects_mode)
145$(cpp_arm_objects):    PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
146$(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
147$(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
148
149cpp_objects        := $(cpp_arm_objects) $(cpp_normal_objects)
150
151ifneq ($(strip $(cpp_objects)),)
152$(cpp_objects): $(intermediates)/%.o: \
153		$(TOPDIR)$(LOCAL_PATH)/%$(LOCAL_CPP_EXTENSION) \
154		$(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
155	$(transform-$(PRIVATE_HOST)cpp-to-o)
156-include $(cpp_objects:%.o=%.P)
157endif
158
159###########################################################
160## C++: Compile generated .cpp files to .o.
161###########################################################
162
163gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_GENERATED_SOURCES))
164gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o)
165
166ifneq ($(strip $(gen_cpp_objects)),)
167# Compile all generated files as thumb.
168# TODO: support compiling certain generated files as arm.
169$(gen_cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
170$(gen_cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
171$(gen_cpp_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION) $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
172	$(transform-$(PRIVATE_HOST)cpp-to-o)
173-include $(gen_cpp_objects:%.o=%.P)
174endif
175
176###########################################################
177## S: Compile generated .S and .s files to .o.
178###########################################################
179
180gen_S_sources := $(filter %.S,$(LOCAL_GENERATED_SOURCES))
181gen_S_objects := $(gen_S_sources:%.S=%.o)
182
183ifneq ($(strip $(gen_S_sources)),)
184$(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES)
185	$(transform-$(PRIVATE_HOST)s-to-o)
186-include $(gen_S_objects:%.o=%.P)
187endif
188
189gen_s_sources := $(filter %.s,$(LOCAL_GENERATED_SOURCES))
190gen_s_objects := $(gen_s_sources:%.s=%.o)
191
192ifneq ($(strip $(gen_s_objects)),)
193$(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES)
194	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
195-include $(gen_s_objects:%.o=%.P)
196endif
197
198gen_asm_objects := $(gen_S_objects) $(gen_s_objects)
199
200###########################################################
201## C: Compile .c files to .o.
202###########################################################
203
204c_arm_sources    := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(LOCAL_SRC_FILES)))
205c_arm_objects    := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o))
206
207c_normal_sources := $(filter %.c,$(LOCAL_SRC_FILES))
208c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o))
209
210$(c_arm_objects):    PRIVATE_ARM_MODE := $(arm_objects_mode)
211$(c_arm_objects):    PRIVATE_ARM_CFLAGS := $(arm_objects_cflags)
212$(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
213$(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
214
215c_objects        := $(c_arm_objects) $(c_normal_objects)
216
217ifneq ($(strip $(c_objects)),)
218$(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
219	$(transform-$(PRIVATE_HOST)c-to-o)
220-include $(c_objects:%.o=%.P)
221endif
222
223###########################################################
224## C: Compile generated .c files to .o.
225###########################################################
226
227gen_c_sources := $(filter %.c,$(LOCAL_GENERATED_SOURCES))
228gen_c_objects := $(gen_c_sources:%.c=%.o)
229
230ifneq ($(strip $(gen_c_objects)),)
231# Compile all generated files as thumb.
232# TODO: support compiling certain generated files as arm.
233$(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode)
234$(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags)
235$(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES)
236	$(transform-$(PRIVATE_HOST)c-to-o)
237-include $(gen_c_objects:%.o=%.P)
238endif
239
240###########################################################
241## ObjC: Compile .m files to .o
242###########################################################
243
244objc_sources := $(filter %.m,$(LOCAL_SRC_FILES))
245objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o))
246
247ifneq ($(strip $(objc_objects)),)
248$(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(PRIVATE_ADDITIONAL_DEPENDENCIES)
249	$(transform-$(PRIVATE_HOST)m-to-o)
250-include $(objc_objects:%.o=%.P)
251endif
252
253###########################################################
254## AS: Compile .S files to .o.
255###########################################################
256
257asm_sources_S := $(filter %.S,$(LOCAL_SRC_FILES))
258asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o))
259
260ifneq ($(strip $(asm_objects_S)),)
261$(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES)
262	$(transform-$(PRIVATE_HOST)s-to-o)
263-include $(asm_objects_S:%.o=%.P)
264endif
265
266asm_sources_s := $(filter %.s,$(LOCAL_SRC_FILES))
267asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o))
268
269ifneq ($(strip $(asm_objects_s)),)
270$(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES)
271	$(transform-$(PRIVATE_HOST)s-to-o-no-deps)
272-include $(asm_objects_s:%.o=%.P)
273endif
274
275asm_objects := $(asm_objects_S) $(asm_objects_s)
276
277
278###########################################################
279## Common object handling.
280###########################################################
281
282# some rules depend on asm_objects being first.  If your code depends on
283# being first, it's reasonable to require it to be assembly
284all_objects := \
285	$(asm_objects) \
286	$(cpp_objects) \
287	$(gen_cpp_objects) \
288	$(gen_asm_objects) \
289	$(c_objects) \
290	$(gen_c_objects) \
291	$(yacc_objects) \
292	$(lex_objects) \
293	$(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES))
294
295LOCAL_C_INCLUDES += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(base_intermediates)
296
297$(all_objects) : | $(LOCAL_GENERATED_SOURCES)
298ALL_C_CPP_ETC_OBJECTS += $(all_objects)
299
300###########################################################
301## Copy headers to the install tree
302###########################################################
303include $(BUILD_COPY_HEADERS)
304
305###########################################################
306# Standard library handling.
307#
308# On the target, we compile with -nostdlib, so we must add in the
309# default system shared libraries, unless they have requested not
310# to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value.  One would
311# supply that, for example, when building libc itself.
312###########################################################
313ifndef LOCAL_IS_HOST_MODULE
314  ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none)
315    LOCAL_SHARED_LIBRARIES += $($(my_prefix)DEFAULT_SYSTEM_SHARED_LIBRARIES)
316  else
317    LOCAL_SHARED_LIBRARIES += $(LOCAL_SYSTEM_SHARED_LIBRARIES)
318  endif
319endif
320
321# Logging used to be part of libcutils (target) and libutils (sim);
322# hack modules that use those other libs to also include liblog.
323# All of this complexity is to make sure that liblog only appears
324# once, and appears just before libcutils or libutils on the link
325# line.
326# TODO: remove this hack and change all modules to use liblog
327# when necessary.
328define insert-liblog
329  $(if $(filter liblog,$(1)),$(1), \
330    $(if $(filter libcutils,$(1)), \
331      $(patsubst libcutils,liblog libcutils,$(1)) \
332     , \
333      $(patsubst libutils,liblog libutils,$(1)) \
334     ) \
335   )
336endef
337ifneq (,$(filter libcutils libutils,$(LOCAL_SHARED_LIBRARIES)))
338  LOCAL_SHARED_LIBRARIES := $(call insert-liblog,$(LOCAL_SHARED_LIBRARIES))
339endif
340ifneq (,$(filter libcutils libutils,$(LOCAL_STATIC_LIBRARIES)))
341  LOCAL_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_STATIC_LIBRARIES))
342endif
343ifneq (,$(filter libcutils libutils,$(LOCAL_WHOLE_STATIC_LIBRARIES)))
344  LOCAL_WHOLE_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_WHOLE_STATIC_LIBRARIES))
345endif
346
347###########################################################
348# The list of libraries that this module will link against are in
349# these variables.  Each is a list of bare module names like "libc libm".
350#
351# LOCAL_SHARED_LIBRARIES
352# LOCAL_STATIC_LIBRARIES
353# LOCAL_WHOLE_STATIC_LIBRARIES
354#
355# We need to convert the bare names into the dependencies that
356# we'll use for LOCAL_BUILT_MODULE and LOCAL_INSTALLED_MODULE.
357# LOCAL_BUILT_MODULE should depend on the BUILT versions of the
358# libraries, so that simply building this module doesn't force
359# an install of a library.  Similarly, LOCAL_INSTALLED_MODULE
360# should depend on the INSTALLED versions of the libraries so
361# that they get installed when this module does.
362###########################################################
363# NOTE:
364# WHOLE_STATIC_LIBRARIES are libraries that are pulled into the
365# module without leaving anything out, which is useful for turning
366# a collection of .a files into a .so file.  Linking against a
367# normal STATIC_LIBRARY will only pull in code/symbols that are
368# referenced by the module. (see gcc/ld's --whole-archive option)
369###########################################################
370
371# Get the list of BUILT libraries, which are under
372# various intermediates directories.
373so_suffix := $($(my_prefix)SHLIB_SUFFIX)
374a_suffix := $($(my_prefix)STATIC_LIB_SUFFIX)
375
376built_shared_libraries := \
377    $(addprefix $($(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \
378      $(addsuffix $(so_suffix), \
379        $(LOCAL_SHARED_LIBRARIES)))
380
381built_static_libraries := \
382    $(foreach lib,$(LOCAL_STATIC_LIBRARIES), \
383      $(call intermediates-dir-for, \
384        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix))
385
386built_whole_libraries := \
387    $(foreach lib,$(LOCAL_WHOLE_STATIC_LIBRARIES), \
388      $(call intermediates-dir-for, \
389        STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix))
390
391# Get the list of INSTALLED libraries.  Strip off the various
392# intermediates directories and point to the common lib dirs.
393installed_shared_libraries := \
394    $(addprefix $($(my_prefix)OUT_SHARED_LIBRARIES)/, \
395      $(notdir $(built_shared_libraries)))
396
397# We don't care about installed static libraries, since the
398# libraries have already been linked into the module at that point.
399# We do, however, care about the NOTICE files for any static
400# libraries that we use. (see notice_files.make)
401
402installed_static_library_notice_file_targets := \
403    $(foreach lib,$(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES), \
404      NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib))
405
406###########################################################
407# Rule-specific variable definitions
408###########################################################
409$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS)
410$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(LOCAL_ASFLAGS)
411$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(LOCAL_CFLAGS)
412$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(LOCAL_CPPFLAGS)
413$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags)
414$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(LOCAL_C_INCLUDES)
415$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(LOCAL_LDFLAGS)
416$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(LOCAL_LDLIBS)
417
418# this is really the way to get the files onto the command line instead
419# of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work
420$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_SHARED_LIBRARIES := $(built_shared_libraries)
421$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_STATIC_LIBRARIES := $(built_static_libraries)
422$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_WHOLE_STATIC_LIBRARIES := $(built_whole_libraries)
423$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_OBJECTS := $(all_objects)
424
425###########################################################
426# Define library dependencies.
427###########################################################
428# all_libraries is used for the dependencies on LOCAL_BUILT_MODULE.
429all_libraries := \
430    $(built_shared_libraries) \
431    $(built_static_libraries) \
432    $(built_whole_libraries)
433
434# Make LOCAL_INSTALLED_MODULE depend on the installed versions of the
435# libraries so they get installed along with it.  We don't need to
436# rebuild it when installing it, though, so this can be an order-only
437# dependency.
438$(LOCAL_INSTALLED_MODULE): | $(installed_shared_libraries)
439
440# Also depend on the notice files for any static libraries that
441# are linked into this module.  This will force them to be installed
442# when this module is.
443$(LOCAL_INSTALLED_MODULE): | $(installed_static_library_notice_file_targets)
444