1#----------------------------------------------------------------------
2# Clients fill in the source files to build
3#----------------------------------------------------------------------
4# C_SOURCES := main.c
5# CXX_SOURCES :=
6# OBJC_SOURCES :=
7# OBJCXX_SOURCES :=
8# DYLIB_C_SOURCES :=
9# DYLIB_CXX_SOURCES :=
10#
11# Specifying DYLIB_ONLY has the effect of building dylib only, skipping
12# the building of the a.out executable program.  For example,
13# DYLIB_ONLY := YES
14#
15# Also might be of interest:
16# FRAMEWORK_INCLUDES (Darwin only) :=
17# CFLAGS_EXTRAS :=
18# LD_EXTRAS :=
19# SPLIT_DEBUG_SYMBOLS := YES
20# CROSS_COMPILE :=
21#
22# And test/functionalities/archives/Makefile:
23# MAKE_DSYM := NO
24# ARCHIVE_NAME := libfoo.a
25# ARCHIVE_C_SOURCES := a.c b.c
26
27# Uncomment line below for debugging shell commands
28# SHELL = /bin/sh -x
29
30THIS_FILE_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))/
31LLDB_BASE_DIR := $(THIS_FILE_DIR)../../../../../
32
33
34#----------------------------------------------------------------------
35# If TRIPLE is not defined try to set the ARCH, CC, CFLAGS, and more
36# from the triple alone
37#----------------------------------------------------------------------
38TRIPLE_CFLAGS :=
39ifneq "$(TRIPLE)" ""
40	triple_space = $(subst -, ,$(TRIPLE))
41	ARCH =$(word 1, $(triple_space))
42	TRIPLE_VENDOR =$(word 2, $(triple_space))
43	triple_os_and_version =$(shell echo $(word 3, $(triple_space)) | sed 's/\([a-z]*\)\(.*\)/\1 \2/')
44	TRIPLE_OS =$(word 1, $(triple_os_and_version))
45	TRIPLE_VERSION =$(word 2, $(triple_os_and_version))
46	ifeq "$(TRIPLE_VENDOR)" "apple"
47		ifeq "$(TRIPLE_OS)" "ios"
48		    ifeq "$(SDKROOT)" ""
49				# Set SDKROOT if it wasn't set
50				ifneq (,$(findstring arm,$(ARCH)))
51					SDKROOT = $(shell xcrun --sdk iphoneos --show-sdk-path)
52					ifeq "$(TRIPLE_VERSION)" ""
53						TRIPLE_VERSION =$(shell echo $(notdir $(SDKROOT)) | sed -e 's/.*\([0-9]\.[0-9]\).*/\1/')
54					endif
55					TRIPLE_CFLAGS :=-mios-version-min=$(TRIPLE_VERSION) -isysroot "$(SDKROOT)"
56				else
57					SDKROOT = $(shell xcrun --sdk iphonesimulator --show-sdk-path)
58					ifeq "$(TRIPLE_VERSION)" ""
59						TRIPLE_VERSION =$(shell echo $(notdir $(SDKROOT)) | sed -e 's/.*\([0-9]\.[0-9]\).*/\1/')
60					endif
61					TRIPLE_CFLAGS :=-mios-simulator-version-min=$(TRIPLE_VERSION) -isysroot "$(SDKROOT)"
62				endif
63			endif
64		endif
65	endif
66endif
67
68#----------------------------------------------------------------------
69# If OS is not defined, use 'uname -s' to determine the OS name.
70#
71# uname on Windows gives "windows32", but most environments standardize
72# on "Windows_NT", so we'll make it consistent here.  When running
73# tests from Visual Studio, the environment variable isn't inherited
74# all the way down to the process spawned for make.
75#----------------------------------------------------------------------
76HOST_OS = $(shell uname -s)
77ifeq "$(HOST_OS)" "windows32"
78	HOST_OS = Windows_NT
79endif
80ifeq "$(OS)" ""
81	OS = $(HOST_OS)
82endif
83
84#----------------------------------------------------------------------
85# If ARCH is not defined, default to x86_64.
86#----------------------------------------------------------------------
87ifeq "$(ARCH)" ""
88ifeq "$(OS)" "Windows_NT"
89	ARCH = x86
90else
91	ARCH = x86_64
92endif
93endif
94
95#----------------------------------------------------------------------
96# CC defaults to clang.
97#
98# If you change the defaults of CC, be sure to also change it in the file
99# test/plugins/builder_base.py, which provides a Python way to return the
100# value of the make variable CC -- getCompiler().
101#
102# See also these functions:
103#   o cxx_compiler
104#   o cxx_linker
105#----------------------------------------------------------------------
106CC ?= clang
107ifeq "$(CC)" "cc"
108	ifneq "$(shell which clang)" ""
109		CC = clang
110	else ifneq "$(shell which clang-3.5)" ""
111		CC = clang-3.5
112	else ifneq "$(shell which gcc)" ""
113		CC = gcc
114	endif
115endif
116
117#----------------------------------------------------------------------
118# ARCHFLAG is the flag used to tell the compiler which architecture
119# to compile for. The default is the flag that clang accepts.
120#----------------------------------------------------------------------
121ARCHFLAG ?= -arch
122
123#----------------------------------------------------------------------
124# Change any build/tool options needed
125#----------------------------------------------------------------------
126ifeq "$(OS)" "Darwin"
127	DS := $(shell xcrun -find -toolchain default dsymutil)
128	DSFLAGS =
129	DSYM = $(EXE).dSYM
130	AR := $(CROSS_COMPILE)libtool
131	ARFLAGS := -static -o
132else
133	AR := $(CROSS_COMPILE)ar
134	# On non-Apple platforms, -arch becomes -m
135	ARCHFLAG := -m
136
137	# i386, i686, x86 -> 32
138	# amd64, x86_64, x64 -> 64
139	ifeq "$(ARCH)" "amd64"
140		override ARCH := $(subst amd64,64,$(ARCH))
141	endif
142	ifeq "$(ARCH)" "x86_64"
143		override ARCH := $(subst x86_64,64,$(ARCH))
144	endif
145	ifeq "$(ARCH)" "x64"
146		override ARCH := $(subst x64,64,$(ARCH))
147	endif
148	ifeq "$(ARCH)" "x86"
149		override ARCH := $(subst x86,32,$(ARCH))
150	endif
151	ifeq "$(ARCH)" "i386"
152		override ARCH := $(subst i386,32,$(ARCH))
153	endif
154	ifeq "$(ARCH)" "i686"
155		override ARCH := $(subst i686,32,$(ARCH))
156	endif
157	ifeq "$(ARCH)" "powerpc"
158		override ARCH := $(subst powerpc,32,$(ARCH))
159	endif
160	ifeq "$(ARCH)" "powerpc64"
161		override ARCH := $(subst powerpc64,64,$(ARCH))
162	endif
163	ifeq "$(ARCH)" "aarch64"
164		override ARCH :=
165		override ARCHFLAG :=
166	endif
167	ifeq "$(ARCH)" "arm"
168		override ARCH :=
169		override ARCHFLAG :=
170	endif
171	ifeq "$(ARCH)" "s390x"
172		override ARCH :=
173		override ARCHFLAG :=
174	endif
175	ifeq "$(findstring mips,$(ARCH))" "mips"
176		override ARCHFLAG := -
177	endif
178
179	ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
180		DSYM = $(EXE).debug
181	endif
182endif
183
184LIMIT_DEBUG_INFO_FLAGS =
185NO_LIMIT_DEBUG_INFO_FLAGS =
186MODULE_DEBUG_INFO_FLAGS =
187ifneq (,$(findstring clang,$(CC)))
188   LIMIT_DEBUG_INFO_FLAGS += -flimit-debug-info
189   NO_LIMIT_DEBUG_INFO_FLAGS += -fno-limit-debug-info
190   MODULE_DEBUG_INFO_FLAGS += -gmodules
191endif
192
193DEBUG_INFO_FLAG ?= -g
194
195CFLAGS ?= $(DEBUG_INFO_FLAG) -O0 -fno-builtin
196ifeq "$(OS)" "Darwin"
197	CFLAGS += $(ARCHFLAG) $(ARCH) $(FRAMEWORK_INCLUDES) $(CFLAGS_EXTRAS) -I$(LLDB_BASE_DIR)include
198else
199	CFLAGS += $(ARCHFLAG)$(ARCH) $(FRAMEWORK_INCLUDES) $(CFLAGS_EXTRAS) -I$(LLDB_BASE_DIR)include
200endif
201
202CFLAGS += -include $(THIS_FILE_DIR)test_common.h $(TRIPLE_CFLAGS)
203
204# Use this one if you want to build one part of the result without debug information:
205ifeq "$(OS)" "Darwin"
206	CFLAGS_NO_DEBUG = -O0 $(ARCHFLAG) $(ARCH) $(FRAMEWORK_INCLUDES) $(CFLAGS_EXTRAS) $(TRIPLE_CFLAGS)
207else
208	CFLAGS_NO_DEBUG = -O0 $(ARCHFLAG)$(ARCH) $(FRAMEWORK_INCLUDES) $(CFLAGS_EXTRAS) $(TRIPLE_CFLAGS)
209endif
210
211ifeq "$(MAKE_DWO)" "YES"
212	CFLAGS += -gsplit-dwarf
213endif
214
215ifeq "$(MAKE_GMODULES)" "YES"
216	CFLAGS += -fmodules -gmodules
217endif
218
219CXXFLAGS += -std=c++11
220# FIXME: C++ modules aren't supported on all platforms.
221CXXFLAGS += $(subst -fmodules,, $(CFLAGS))
222LD = $(CC)
223LDFLAGS ?= $(CFLAGS)
224LDFLAGS += $(LD_EXTRAS)
225ifeq (,$(filter $(OS), Windows_NT Android))
226	ifneq (,$(filter YES,$(ENABLE_THREADS)))
227		LDFLAGS += -pthread
228	endif
229endif
230OBJECTS =
231EXE ?= a.out
232
233ifneq "$(DYLIB_NAME)" ""
234	ifeq "$(OS)" "Darwin"
235		DYLIB_FILENAME = lib$(DYLIB_NAME).dylib
236		DYLIB_EXECUTABLE_PATH ?= @executable_path
237	else ifeq "$(OS)" "Windows_NT"
238		DYLIB_FILENAME = $(DYLIB_NAME).dll
239	else
240		DYLIB_FILENAME = lib$(DYLIB_NAME).so
241	endif
242endif
243
244# Function that returns the counterpart C++ compiler, given $(CC) as arg.
245cxx_compiler_notdir = $(if $(findstring icc,$(1)), \
246                            $(subst icc,icpc,$(1)), \
247                            $(if $(findstring llvm-gcc,$(1)), \
248                                 $(subst llvm-gcc,llvm-g++,$(1)), \
249                                 $(if $(findstring gcc,$(1)), \
250                                      $(subst gcc,g++,$(1)), \
251                                      $(subst cc,c++,$(1)))))
252cxx_compiler = $(if $(findstring /,$(1)),$(join $(dir $(1)), $(call cxx_compiler_notdir,$(notdir $(1)))),$(call cxx_compiler_notdir,$(1)))
253
254# Function that returns the C++ linker, given $(CC) as arg.
255cxx_linker_notdir = $(if $(findstring icc,$(1)), \
256                          $(subst icc,icpc,$(1)), \
257                          $(if $(findstring llvm-gcc,$(1)), \
258                               $(subst llvm-gcc,llvm-g++,$(1)), \
259                               $(if $(findstring gcc,$(1)), \
260                                    $(subst gcc,g++,$(1)), \
261                                    $(subst cc,c++,$(1)))))
262cxx_linker = $(if $(findstring /,$(1)),$(join $(dir $(1)), $(call cxx_linker_notdir,$(notdir $(1)))),$(call cxx_linker_notdir,$(1)))
263
264ifneq "$(OS)" "Darwin"
265    CLANG_OR_GCC := $(strip $(if $(findstring clang,$(CC)), \
266                                 $(findstring clang,$(CC)), \
267                                 $(if $(findstring gcc,$(CC)), \
268                                      $(findstring gcc,$(CC)), \
269                                      cc)))
270
271    CC_LASTWORD := $(strip $(lastword $(subst -, ,$(CC))))
272
273    replace_with = $(strip $(if $(findstring $(3),$(CC_LASTWORD)), \
274                           $(subst $(3),$(1),$(2)), \
275                           $(subst $(3),$(1),$(subst -$(CC_LASTWORD),,$(2)))))
276
277    ifeq "$(notdir $(CC))" "$(CC)"
278        replace_cc_with = $(call replace_with,$(1),$(CC),$(CLANG_OR_GCC))
279    else
280        replace_cc_with = $(join $(dir $(CC)),$(call replace_with,$(1),$(notdir $(CC)),$(CLANG_OR_GCC)))
281    endif
282
283    OBJCOPY ?= $(call replace_cc_with,objcopy)
284    ARCHIVER ?= $(call replace_cc_with,ar)
285    override AR = $(ARCHIVER)
286endif
287
288ifdef PIE
289    LDFLAGS += -pie
290endif
291
292#----------------------------------------------------------------------
293# Windows specific options
294#----------------------------------------------------------------------
295ifeq "$(OS)" "Windows_NT"
296	ifneq (,$(findstring clang,$(CC)))
297		# Clang for Windows doesn't support C++ Exceptions
298		CXXFLAGS += -fno-exceptions
299		CXXFLAGS += -D_HAS_EXCEPTIONS=0
300		ifeq "$(VisualStudioVersion)" "14.0"
301			CXXFLAGS += -fms-compatibility-version=19.0
302			override CXXFLAGS := $(subst -std=c++11,-std=c++14,$(CXXFLAGS))
303		endif
304		# The MSVC linker doesn't understand long section names
305		# generated by the clang compiler.
306		LDFLAGS += -fuse-ld=lld
307	endif
308endif
309
310#----------------------------------------------------------------------
311# C++ standard library options
312#----------------------------------------------------------------------
313ifeq (1,$(USE_LIBSTDCPP))
314	# Clang requires an extra flag: -stdlib=libstdc++
315	ifneq (,$(findstring clang,$(CC)))
316		CXXFLAGS += -stdlib=libstdc++ -DLLDB_USING_LIBSTDCPP
317		LDFLAGS += -stdlib=libstdc++
318	endif
319endif
320
321ifeq (1,$(USE_LIBCPP))
322	# Clang requires an extra flag: -stdlib=libstdc++
323	ifneq (,$(findstring clang,$(CC)))
324		ifeq "$(OS)" "Linux"
325			# This is the default install location on Ubuntu 14.04
326			ifneq ($(wildcard /usr/include/c++/v1/.),)
327				CXXFLAGS += -stdlib=libc++ -DLLDB_USING_LIBCPP
328				LDFLAGS += -stdlib=libc++
329				CXXFLAGS += -I/usr/include/c++/v1
330			endif
331		else
332			CXXFLAGS += -stdlib=libc++ -DLLDB_USING_LIBCPP
333			LDFLAGS += -stdlib=libc++
334		endif
335	endif
336endif
337
338#----------------------------------------------------------------------
339# dylib settings
340#----------------------------------------------------------------------
341ifneq "$(strip $(DYLIB_C_SOURCES))" ""
342	DYLIB_OBJECTS +=$(strip $(DYLIB_C_SOURCES:.c=.o))
343endif
344
345ifneq "$(strip $(DYLIB_OBJC_SOURCES))" ""
346	DYLIB_OBJECTS +=$(strip $(DYLIB_OBJC_SOURCES:.m=.o))
347endif
348
349ifneq "$(strip $(DYLIB_CXX_SOURCES))" ""
350    DYLIB_OBJECTS +=$(strip $(DYLIB_CXX_SOURCES:.cpp=.o))
351    CXX = $(call cxx_compiler,$(CC))
352    LD = $(call cxx_linker,$(CC))
353endif
354
355#----------------------------------------------------------------------
356# Check if we have a precompiled header
357#----------------------------------------------------------------------
358ifneq "$(strip $(PCH_CXX_SOURCE))" ""
359    PCH_OUTPUT = $(PCH_CXX_SOURCE:.h=.h.pch)
360    PCHFLAGS = -include $(PCH_CXX_SOURCE)
361endif
362
363#----------------------------------------------------------------------
364# Check if we have any C source files
365#----------------------------------------------------------------------
366ifneq "$(strip $(C_SOURCES))" ""
367	OBJECTS +=$(strip $(C_SOURCES:.c=.o))
368endif
369
370#----------------------------------------------------------------------
371# Check if we have any C++ source files
372#----------------------------------------------------------------------
373ifneq "$(strip $(CXX_SOURCES))" ""
374	OBJECTS +=$(strip $(CXX_SOURCES:.cpp=.o))
375	CXX = $(call cxx_compiler,$(CC))
376	LD = $(call cxx_linker,$(CC))
377endif
378
379#----------------------------------------------------------------------
380# Check if we have any ObjC source files
381#----------------------------------------------------------------------
382ifneq "$(strip $(OBJC_SOURCES))" ""
383	OBJECTS +=$(strip $(OBJC_SOURCES:.m=.o))
384	LDFLAGS +=-lobjc
385endif
386
387#----------------------------------------------------------------------
388# Check if we have any ObjC++ source files
389#----------------------------------------------------------------------
390ifneq "$(strip $(OBJCXX_SOURCES))" ""
391	OBJECTS +=$(strip $(OBJCXX_SOURCES:.mm=.o))
392	CXX = $(call cxx_compiler,$(CC))
393	LD = $(call cxx_linker,$(CC))
394	ifeq "$(findstring lobjc,$(LDFLAGS))" ""
395		LDFLAGS +=-lobjc
396	endif
397endif
398
399#----------------------------------------------------------------------
400# Check if we have any C source files for archive
401#----------------------------------------------------------------------
402ifneq "$(strip $(ARCHIVE_C_SOURCES))" ""
403	ARCHIVE_OBJECTS +=$(strip $(ARCHIVE_C_SOURCES:.c=.o))
404endif
405
406#----------------------------------------------------------------------
407# Check if we have any C++ source files for archive
408#----------------------------------------------------------------------
409ifneq "$(strip $(ARCHIVE_CXX_SOURCES))" ""
410	ARCHIVE_OBJECTS +=$(strip $(ARCHIVE_CXX_SOURCES:.cpp=.o))
411	CXX = $(call cxx_compiler,$(CC))
412	LD = $(call cxx_linker,$(CC))
413endif
414
415#----------------------------------------------------------------------
416# Check if we have any ObjC source files for archive
417#----------------------------------------------------------------------
418ifneq "$(strip $(ARCHIVE_OBJC_SOURCES))" ""
419	ARCHIVE_OBJECTS +=$(strip $(ARCHIVE_OBJC_SOURCES:.m=.o))
420	LDFLAGS +=-lobjc
421endif
422
423#----------------------------------------------------------------------
424# Check if we have any ObjC++ source files for archive
425#----------------------------------------------------------------------
426ifneq "$(strip $(ARCHIVE_OBJCXX_SOURCES))" ""
427	ARCHIVE_OBJECTS +=$(strip $(ARCHIVE_OBJCXX_SOURCES:.mm=.o))
428	CXX = $(call cxx_compiler,$(CC))
429	LD = $(call cxx_linker,$(CC))
430	ifeq "$(findstring lobjc,$(LDFLAGS))" ""
431		LDFLAGS +=-lobjc
432	endif
433endif
434
435#----------------------------------------------------------------------
436# Check if we are compiling with gcc 4.6
437#----------------------------------------------------------------------
438ifneq "$(strip $(CXX_SOURCES) $(OBJCXX_SOURCES))" ""
439ifneq "$(filter g++,$(CXX))" ""
440	CXXVERSION = $(shell $(CXX) -dumpversion | cut -b 1-3)
441	ifeq "$(CXXVERSION)" "4.6"
442                # GCC 4.6 cannot handle -std=c++11, so replace it with -std=c++0x
443                # instead. FIXME: remove once GCC version is upgraded.
444		override CXXFLAGS := $(subst -std=c++11,-std=c++0x,$(CXXFLAGS))
445	endif
446endif
447endif
448
449ifeq ($(findstring clang, $(CXX)), clang)
450  CXXFLAGS += --driver-mode=g++
451endif
452
453ifneq "$(CXX)" ""
454  ifeq ($(findstring clang, $(LD)), clang)
455    LDFLAGS += --driver-mode=g++
456  endif
457endif
458
459#----------------------------------------------------------------------
460# DYLIB_ONLY variable can be used to skip the building of a.out.
461# See the sections below regarding dSYM file as well as the building of
462# EXE from all the objects.
463#----------------------------------------------------------------------
464
465#----------------------------------------------------------------------
466# Make the dSYM file from the executable if $(MAKE_DSYM) != "NO"
467#----------------------------------------------------------------------
468ifneq "$(DYLIB_ONLY)" "YES"
469$(DSYM) : $(EXE)
470ifeq "$(OS)" "Darwin"
471ifneq "$(MAKE_DSYM)" "NO"
472	"$(DS)" $(DSFLAGS) -o "$(DSYM)" "$(EXE)"
473endif
474else
475ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
476	$(OBJCOPY) --only-keep-debug "$(EXE)" "$(DSYM)"
477	$(OBJCOPY) --strip-debug --add-gnu-debuglink="$(DSYM)" "$(EXE)" "$(EXE)"
478endif
479endif
480endif
481
482#----------------------------------------------------------------------
483# Compile the executable from all the objects.
484#----------------------------------------------------------------------
485ifneq "$(DYLIB_NAME)" ""
486ifeq "$(DYLIB_ONLY)" ""
487$(EXE) : $(OBJECTS) $(ARCHIVE_NAME) $(DYLIB_FILENAME)
488	$(LD) $(OBJECTS) $(ARCHIVE_NAME) -L. -l$(DYLIB_NAME) $(LDFLAGS) -o "$(EXE)"
489else
490EXE = $(DYLIB_FILENAME)
491endif
492else
493$(EXE) : $(OBJECTS) $(ARCHIVE_NAME)
494	$(LD) $(OBJECTS) $(LDFLAGS) $(ARCHIVE_NAME) -o "$(EXE)"
495endif
496
497#----------------------------------------------------------------------
498# Make the archive
499#----------------------------------------------------------------------
500ifneq "$(ARCHIVE_NAME)" ""
501ifeq "$(OS)" "Darwin"
502$(ARCHIVE_NAME) : $(ARCHIVE_OBJECTS)
503	$(AR) $(ARFLAGS) $(ARCHIVE_NAME) $(ARCHIVE_OBJECTS)
504	$(RM) $(ARCHIVE_OBJECTS)
505else
506$(ARCHIVE_NAME) : $(foreach ar_obj,$(ARCHIVE_OBJECTS),$(ARCHIVE_NAME)($(ar_obj)))
507endif
508endif
509
510#----------------------------------------------------------------------
511# Make the dylib
512#----------------------------------------------------------------------
513$(DYLIB_OBJECTS) : CFLAGS += -DCOMPILING_LLDB_TEST_DLL
514
515$(DYLIB_FILENAME) : $(DYLIB_OBJECTS)
516ifeq "$(OS)" "Darwin"
517	$(LD) $(DYLIB_OBJECTS) $(LDFLAGS) -install_name "$(DYLIB_EXECUTABLE_PATH)/$(DYLIB_FILENAME)" -dynamiclib -o "$(DYLIB_FILENAME)"
518ifneq "$(MAKE_DSYM)" "NO"
519ifneq "$(DS)" ""
520	"$(DS)" $(DSFLAGS) "$(DYLIB_FILENAME)"
521endif
522endif
523else
524	$(LD) $(DYLIB_OBJECTS) $(LDFLAGS) -shared -o "$(DYLIB_FILENAME)"
525ifeq "$(SPLIT_DEBUG_SYMBOLS)" "YES"
526	$(OBJCOPY) --only-keep-debug "$(DYLIB_FILENAME)" "$(DYLIB_FILENAME).debug"
527	$(OBJCOPY) --strip-debug --add-gnu-debuglink="$(DYLIB_FILENAME).debug" "$(DYLIB_FILENAME)" "$(DYLIB_FILENAME)"
528endif
529endif
530
531#----------------------------------------------------------------------
532# Make the precompiled header and compile C++ sources against it
533#----------------------------------------------------------------------
534
535#ifneq "$(PCH_OUTPUT)" ""
536$(PCH_OUTPUT) : $(PCH_CXX_SOURCE)
537	$(CXX) $(CXXFLAGS) -x c++-header -o $(PCH_OUTPUT) $(PCH_CXX_SOURCE)
538%.o : %.cpp $(PCH_OUTPUT)
539	$(CXX) $(PCHFLAGS) $(CXXFLAGS) -c -o $@ $<
540#endif
541
542#----------------------------------------------------------------------
543# Automatic variables based on items already entered. Below we create
544# an object's lists from the list of sources by replacing all entries
545# that end with .c with .o, and we also create a list of prerequisite
546# files by replacing all .c files with .d.
547#----------------------------------------------------------------------
548PREREQS := $(OBJECTS:.o=.d)
549DWOS := $(OBJECTS:.o=.dwo) $(ARCHIVE_OBJECTS:.o=.dwo)
550ifneq "$(DYLIB_NAME)" ""
551	DYLIB_PREREQS := $(DYLIB_OBJECTS:.o=.d)
552	DYLIB_DWOS := $(DYLIB_OBJECTS:.o=.dwo)
553endif
554
555#----------------------------------------------------------------------
556# Rule for Generating Prerequisites Automatically using .d files and
557# the compiler -MM option. The -M option will list all system headers,
558# and the -MM option will list all non-system dependencies.
559#----------------------------------------------------------------------
560ifeq "$(HOST_OS)" "Windows_NT"
561	JOIN_CMD = &
562	QUOTE = "
563else
564	JOIN_CMD = ;
565	QUOTE = '
566endif
567
568%.d: %.c
569	@rm -f $@ $(JOIN_CMD) \
570	$(CC) -M $(CFLAGS) $< > [email protected] && \
571	sed $(QUOTE)s,\($*\)\.o[ :]*,\1.o $@ : ,g$(QUOTE) < [email protected] > $@ $(JOIN_CMD) \
572	rm -f [email protected]
573
574%.d: %.cpp
575	@rm -f $@ $(JOIN_CMD) \
576	$(CXX) -M $(CXXFLAGS) $< > [email protected] && \
577	sed $(QUOTE)s,\($*\)\.o[ :]*,\1.o $@ : ,g$(QUOTE) < [email protected] > $@ $(JOIN_CMD) \
578	rm -f [email protected]
579
580%.d: %.m
581	@rm -f $@ $(JOIN_CMD) \
582	$(CC) -M $(CFLAGS) $< > [email protected] && \
583	sed $(QUOTE)s,\($*\)\.o[ :]*,\1.o $@ : ,g$(QUOTE) < [email protected] > $@ $(JOIN_CMD) \
584	rm -f [email protected]
585
586%.d: %.mm
587	@rm -f $@ $(JOIN_CMD) \
588	$(CXX) -M $(CXXFLAGS) $< > [email protected] && \
589	sed $(QUOTE)s,\($*\)\.o[ :]*,\1.o $@ : ,g$(QUOTE) < [email protected] > $@ $(JOIN_CMD) \
590	rm -f [email protected]
591
592#----------------------------------------------------------------------
593# Include all of the makefiles for each source file so we don't have
594# to manually track all of the prerequisites for each source file.
595#----------------------------------------------------------------------
596sinclude $(PREREQS)
597ifneq "$(DYLIB_NAME)" ""
598	sinclude $(DYLIB_PREREQS)
599endif
600
601# Define a suffix rule for .mm -> .o
602.SUFFIXES: .mm .o
603.mm.o:
604	$(CXX) $(CXXFLAGS) -c $<
605
606.PHONY: clean
607dsym:	$(DSYM)
608all:	$(EXE) $(DSYM)
609clean::
610	$(RM) $(OBJECTS) $(PREREQS) $(PREREQS:.d=.d.tmp) $(DWOS) $(ARCHIVE_NAME) $(ARCHIVE_OBJECTS)
611ifneq "$(DYLIB_NAME)" ""
612	$(RM) -r $(DYLIB_FILENAME).dSYM
613	$(RM) $(DYLIB_OBJECTS) $(DYLIB_PREREQS) $(DYLIB_PREREQS:.d=.d.tmp) $(DYLIB_DWOS) $(DYLIB_FILENAME) $(DYLIB_FILENAME).debug
614endif
615ifneq "$(PCH_OUTPUT)" ""
616	$(RM) $(PCH_OUTPUT)
617endif
618ifneq "$(DSYM)" ""
619	$(RM) -r "$(DSYM)"
620endif
621ifeq "$(OS)" "Windows_NT"
622# http://llvm.org/pr24589
623	IF EXIST "$(EXE)" del "$(EXE)"
624	$(RM) $(wildcard *.manifest *.pdb *.ilk)
625ifneq "$(DYLIB_NAME)" ""
626	$(RM) $(DYLIB_NAME).lib $(DYLIB_NAME).exp
627endif
628else
629	$(RM) "$(EXE)"
630endif
631
632#----------------------------------------------------------------------
633# From http://blog.melski.net/tag/debugging-makefiles/
634#
635# Usage: make print-CC print-CXX print-LD
636#----------------------------------------------------------------------
637print-%:
638	@echo '$*=$($*)'
639	@echo '  origin = $(origin $*)'
640	@echo '  flavor = $(flavor $*)'
641	@echo '   value = $(value  $*)'
642
643### Local Variables: ###
644### mode:makefile ###
645### End: ###
646