xref: /haiku/build/jam/ArchitectureRules (revision 99158cceddacb52ebe30708c4e6a27b4fb711c8f)
1rule ArchitectureSetup architecture
2{
3	# ArchitectureSetup <architecture> ;
4	#
5	# Initializes all global packaging architecture dependent variables for the
6	# given packaging architecture. Also sets HAIKU_ARCH (to the primary
7	# architecture), if this is the first invocation of the rule, and adds
8	# the architecture to HAIKU_ARCHS, if not yet contained.
9
10	# analyze GCC version
11	local gccVersion
12		= [ FAnalyzeGCCVersion HAIKU_GCC_RAW_VERSION_$(architecture) ] ;
13	HAIKU_GCC_VERSION_$(architecture) = $(gccVersion) ;
14
15	# enable GCC -pipe option, if requested
16	local ccBaseFlags ;
17	if $(HAIKU_USE_GCC_PIPE) = 1 {
18		ccBaseFlags = -pipe ;
19	}
20
21	# disable strict aliasing on anything newer than gcc 2 as it may lead to
22	# unexpected results.
23	# TODO: remove the -fno-strict-aliasing option when all code has been
24	#		analyzed/fixed with regard to aliasing.
25	if $(gccVersion[1]) >= 3 {
26		ccBaseFlags += -fno-strict-aliasing ;
27	}
28
29	# Without this flag, GCC deletes many null-pointer checks that are
30	# technically undefined behavior (e.g. passing NULL to strdup, among
31	# others), which breaks both the kernel and various applications. See:
32	#  - https://freelists.org/post/haiku-development/hrev45320-Yet-another-nonobvious-effect-of-ftreevrp-optimization
33	#  - https://dev.haiku-os.org/ticket/13285#comment:8 (& subsequent comments)
34	#  - https://dev.haiku-os.org/ticket/10803#comment:4 (& subsequent comments)
35	# Note that the Linux also does the same:
36	#  - https://github.com/torvalds/linux/commit/a3ca86aea507904
37	if $(gccVersion[1]) >= 3 {
38		ccBaseFlags += -fno-delete-null-pointer-checks ;
39	}
40
41	# disable some builtins that are incompatible with our definitions
42	if $(gccVersion[1]) >= 3 {
43		ccBaseFlags += -fno-builtin-fork -fno-builtin-vfork ;
44	}
45
46	# default architecture tuning
47	local cpu = $(HAIKU_CPU_$(architecture)) ;
48	local archFlags ;
49	switch $(cpu) {
50		case ppc : archFlags += -mcpu=440fp ;
51		case arm : archFlags += -march=armv7-a -mfloat-abi=hard ;
52		case x86 : archFlags += -march=pentium ;
53	}
54	if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 {
55		# TODO: This should be included in Clang's compiler specs.
56		archFlags += -fPIC ;
57	}
58	ccBaseFlags += $(archFlags) ;
59
60	if $(cpu) = arm {
61		if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 {
62			# For stackcrawls - not supported by Clang
63			ccBaseFlags += -mapcs-frame ;
64		}
65	}
66
67	# activating graphite optimizations
68	if $(HAIKU_USE_GCC_GRAPHITE_$(architecture)) = 1 {
69		ccBaseFlags += -floop-interchange -ftree-loop-distribution
70			-floop-strip-mine -floop-block ;
71	}
72	HAIKU_GCC_BASE_FLAGS_$(architecture) = $(ccBaseFlags) ;
73
74	# initial state for flags etc.
75	HAIKU_C++_$(architecture) ?= $(HAIKU_CC_$(architecture)) ;
76	HAIKU_LINK_$(architecture) = $(HAIKU_CC_$(architecture)) ;
77
78	HAIKU_CCFLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ;
79	HAIKU_C++FLAGS_$(architecture) += $(ccBaseFlags) -nostdinc ;
80	HAIKU_LINKFLAGS_$(architecture) += $(ccBaseFlags) ;
81	HAIKU_ASFLAGS_$(architecture) += $(archFlags) -nostdinc ;
82
83	# strip is required
84	if ! $(HAIKU_STRIP_$(architecture)) {
85		Exit "HAIKU_STRIP_$(architecture) not set. Please re-run configure." ;
86	}
87
88	HAIKU_ARCH_$(architecture) = $(cpu) ;
89	HAIKU_ARCH ?= $(cpu) ;
90		# Set only, if not set yet. This way HAIKU_ARCH is set to the primary
91		# architecture.
92	if ! $(cpu) in $(HAIKU_ARCHS) {
93		HAIKU_ARCHS += $(cpu) ;
94	}
95	HAIKU_DEFINES_$(architecture) += ARCH_$(cpu) ;
96
97	# directories
98	HAIKU_ARCH_OBJECT_DIR_$(architecture)
99		= [ FDirName $(HAIKU_OBJECT_BASE_DIR) $(architecture) ] ;
100	HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture)
101		= [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) common ] ;
102	HAIKU_DEBUG_0_OBJECT_DIR_$(architecture)
103		= [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture)) release ] ;
104
105	local level ;
106	for level in $(HAIKU_DEBUG_LEVELS[2-]) {
107		HAIKU_DEBUG_$(level)_OBJECT_DIR_$(architecture)
108			= [ FDirName $(HAIKU_ARCH_OBJECT_DIR_$(architecture))
109				debug_$(level) ] ;
110	}
111
112	# set variables for gcc header options
113	SetIncludePropertiesVariables HAIKU : _$(architecture) ;
114
115	# C/C++ flags
116	if $(gccVersion[1]) >= 4 {
117		HAIKU_C++FLAGS_$(architecture) += -Wno-deprecated ;
118	}
119
120	# warning flags
121	HAIKU_WARNING_CCFLAGS_$(architecture)
122		= -Wall -Wno-trigraphs -Wmissing-prototypes
123		-Wpointer-arith -Wcast-align -Wsign-compare -Wno-multichar ;
124	HAIKU_WARNING_C++FLAGS_$(architecture) = -Wall -Wno-trigraphs
125		-Wno-ctor-dtor-privacy -Woverloaded-virtual -Wpointer-arith -Wcast-align
126		-Wsign-compare -Wno-multichar ;
127	# disable some Clang warnings that are not very useful
128	if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 {
129		HAIKU_WARNING_CCFLAGS_$(architecture) += -Wno-address-of-packed-member
130			-Wno-unused-private-field -Wno-cast-align -Wno-gnu-designator ;
131		HAIKU_WARNING_C++FLAGS_$(architecture) += -Wno-address-of-packed-member
132			-Wno-unused-private-field -Wno-cast-align -Wno-gnu-designator ;
133	}
134
135	HAIKU_WERROR_FLAGS_$(architecture) = ;
136
137	if $(gccVersion[1]) >= 4 {
138		# -Wuninitialized gives too many false positives.
139		HAIKU_WERROR_FLAGS_$(architecture) += -Wno-error=uninitialized
140			-Wno-error=maybe-uninitialized ;
141
142		# TODO: remove the -Wno-unused-but-set-variable option
143		HAIKU_WERROR_FLAGS_$(architecture) += -Wno-unused-but-set-variable ;
144	}
145
146	# debug flags
147	local debugFlags = -ggdb ;
148
149	# debug 0: suppress asserts
150	HAIKU_DEBUG_0_CCFLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ;
151	HAIKU_DEBUG_0_C++FLAGS_$(architecture) = [ FDefines NDEBUG=$(NDEBUG) ] ;
152
153	local level ;
154	for level in $(HAIKU_DEBUG_LEVELS[2-]) {
155		local flags = $(debugFlags) [ FDefines DEBUG=$(level) ] ;
156		HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture) = $(flags) ;
157		HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture) = $(flags) ;
158	}
159
160	# TODO: Temporary work-around. Should be defined in the compiler specs
161	HAIKU_LINKFLAGS_$(architecture) += -Xlinker --no-undefined ;
162
163	if $(gccVersion[1]) < 3 {
164		HAIKU_DEFINES_$(architecture) += _BEOS_R5_COMPATIBLE_ ;
165	}
166
167	# private shared kernel/libroot headers
168	HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture)
169		= [ PrivateHeaders $(DOT) system system/arch/$(cpu) ] ;
170
171	# library and executable glue code
172	local commonGlueCode =
173		<src!system!glue!$(architecture)>init_term_dyn.o
174		<src!system!glue!arch!$(cpu)!$(architecture)>crti.o
175		<src!system!glue!arch!$(cpu)!$(architecture)>crtn.o
176		;
177	HAIKU_LIBRARY_BEGIN_GLUE_CODE_$(architecture) =
178		<src!system!glue!arch!$(cpu)!$(architecture)>crti.o
179		<$(architecture)>crtbeginS.o
180		<src!system!glue!$(architecture)>init_term_dyn.o
181		;
182	HAIKU_LIBRARY_END_GLUE_CODE_$(architecture) =
183		<$(architecture)>crtendS.o
184		<src!system!glue!arch!$(cpu)!$(architecture)>crtn.o
185		;
186	HAIKU_EXECUTABLE_BEGIN_GLUE_CODE_$(architecture) =
187		<src!system!glue!arch!$(cpu)!$(architecture)>crti.o
188		<$(architecture)>crtbeginS.o
189		<src!system!glue!$(architecture)>start_dyn.o
190		<src!system!glue!$(architecture)>init_term_dyn.o
191		;
192	HAIKU_EXECUTABLE_END_GLUE_CODE_$(architecture)
193		= $(HAIKU_LIBRARY_END_GLUE_CODE_$(architecture)) ;
194
195	SEARCH on <$(architecture)>crtbeginS.o <$(architecture)>crtendS.o
196		= $(HAIKU_GCC_LIB_DIR_$(architecture)) ;
197
198	# init library name map
199	local libraryGrist = "" ;
200	if $(architecture) != $(HAIKU_PACKAGING_ARCHS[1]) {
201		libraryGrist = $(architecture) ;
202	}
203	local i ;
204	for i in be bnetapi debug device game locale mail media midi midi2
205			network package root screensaver textencoding tracker
206			translation z {
207		local library = lib$(i).so ;
208		HAIKU_LIBRARY_NAME_MAP_$(architecture)_$(i)
209			= $(library:G=$(libraryGrist)) ;
210	}
211	HAIKU_LIBRARY_NAME_MAP_$(architecture)_localestub
212		= <$(architecture)>liblocalestub.a ;
213	HAIKU_LIBRARY_NAME_MAP_$(architecture)_shared
214		= <$(architecture)>libshared.a ;
215	if $(architecture) = $(HAIKU_PACKAGING_ARCHS[1]) {
216		HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server
217			= <nogrist>input_server ;
218	} else {
219		HAIKU_LIBRARY_NAME_MAP_$(architecture)_input_server
220			= <$(architecture)>input_server ;
221	}
222}
223
224
225rule KernelArchitectureSetup architecture
226{
227	# KernelArchitectureSetup <architecture> ;
228	#
229	# Initializes the global kernel and boot loader related variables. Those
230	# don't have a packaging architecture suffix, since they are only set for
231	# the primary packaging architecture. <architecture> is the primary
232	# packaging architecture (supplied for convenience).
233
234	HAIKU_KERNEL_ARCH = $(HAIKU_ARCH) ;
235
236	local gccVersion = $(HAIKU_GCC_VERSION_$(architecture)) ;
237	local cpu = $(HAIKU_CPU_$(architecture)) ;
238
239	switch $(cpu) {
240		case ppc :
241			HAIKU_BOOT_PLATFORM ?= openfirmware ;
242			HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB
243			# offset in floppy image (>= sizeof(haiku_loader))
244			HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 384 ; # in kB
245
246		case arm :
247			HAIKU_BOOT_PLATFORM ?= u-boot ;
248
249			HAIKU_BOOT_SDIMAGE_SIZE ?= 128 ;
250			# SOC's like allwinner need an offset to skip the hardcoded initial loader
251			HAIKU_BOOT_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63)
252
253			HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ;
254			# offset in floppy image (>= sizeof(haiku_loader))
255			HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet
256			HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ;
257
258		case arm64 :
259			HAIKU_BOOT_PLATFORM ?= efi ;
260
261			HAIKU_BOOT_SDIMAGE_SIZE ?= 128 ;
262			# SOC's like allwinner need an offset to skip the hardcoded initial loader
263			HAIKU_BOOT_SDIMAGE_BEGIN = 40950 ; # 512-byte sectors (divisible by 63)
264
265			HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ;
266			# offset in floppy image (>= sizeof(haiku_loader))
267			HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet
268			HAIKU_BOOT_LOADER_BASE ?= 0x1000000 ;
269
270		case x86 :
271			HAIKU_BOOT_PLATFORM ?= bios_ia32 ;
272			HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB
273			# offset in floppy image (>= sizeof(haiku_loader))
274			HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 320 ; # in kB
275
276			# nasm is required for target arch x86
277			if ! $(HAIKU_NASM) {
278				Exit "HAIKU_NASM not set. Please re-run configure." ;
279			}
280
281		case x86_64 :
282			# x86_64 completely shares the x86 bootloader.
283			HAIKU_BOOT_PLATFORM ?= bios_ia32 ;
284			HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 2880 ; # in kB
285			# offset in floppy image (>= sizeof(haiku_loader))
286			HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 320 ; # in kB
287
288			# x86_64 kernel source is under arch/x86.
289			HAIKU_KERNEL_ARCH = x86 ;
290
291			# nasm is required for target arch x86_64
292			if ! $(HAIKU_NASM) {
293				Exit "HAIKU_NASM not set. Please re-run configure." ;
294			}
295
296		case m68k :
297			HAIKU_BOOT_PLATFORM ?= atari_m68k ;
298			switch $(HAIKU_BOOT_PLATFORM) {
299				case atari_m68k :
300				{
301					HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 1440 ; # in kB
302				}
303				case amiga_m68k :
304				{
305					# for now we have trouble reading from double-sided images
306					HAIKU_BOOT_FLOPPY_IMAGE_SIZE = 880 ; # in kB
307				}
308			}
309			# offset in floppy image (>= sizeof(haiku_loader))
310			HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 260 ; # in kB
311			HAIKU_CONTAINER_STRIP_EXECUTABLES on
312				$(HAIKU_FLOPPY_BOOT_IMAGE_CONTAINER_NAME) = 1 ;
313
314		case * :
315			Exit "Currently unsupported target CPU:" $(cpu) ;
316	}
317
318	# private kernel headers to be used when compiling kernel code
319	HAIKU_PRIVATE_KERNEL_HEADERS =
320		[ PrivateHeaders $(DOT) kernel libroot shared
321			kernel/boot/platform/$(HAIKU_BOOT_PLATFORM) ]
322		[ ArchHeaders $(HAIKU_KERNEL_ARCH) ]
323		[ FDirName $(HAIKU_COMMON_DEBUG_OBJECT_DIR_$(architecture)) system
324			kernel ]
325		$(HAIKU_PRIVATE_SYSTEM_HEADERS_$(architecture))
326		;
327
328	# C/C++ flags
329	local ccBaseFlags = $(HAIKU_GCC_BASE_FLAGS_$(architecture))
330		-finline -fno-builtin ;
331
332	if $(gccVersion[1]) >= 4 {
333		ccBaseFlags += -ffreestanding ;
334	}
335
336	local c++BaseFlags = $(ccBaseFlags) -fno-exceptions ;
337
338	if $(gccVersion[1]) >= 3 && $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 {
339		c++BaseFlags += -fno-use-cxa-atexit ;
340	}
341
342	HAIKU_KERNEL_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ;
343	HAIKU_KERNEL_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ;
344	HAIKU_BOOT_CCFLAGS = $(HAIKU_CCFLAGS_$(architecture)) $(ccBaseFlags) ;
345	HAIKU_BOOT_C++FLAGS = $(HAIKU_C++FLAGS_$(architecture)) $(c++BaseFlags) ;
346	HAIKU_BOOT_LINKFLAGS = ;
347	HAIKU_BOOT_LDFLAGS = -Bstatic ;
348
349	HAIKU_KERNEL_PIC_CCFLAGS = -fno-pic ;
350	HAIKU_KERNEL_PIC_LINKFLAGS = ;
351	HAIKU_KERNEL_ADDON_LINKFLAGS = ;
352
353	# Any special kernel base addresses
354	if $(HAIKU_BOOT_LOADER_BASE) {
355		HAIKU_BOOT_LDFLAGS +=
356			--defsym BOOT_LOADER_BASE=$(HAIKU_BOOT_LOADER_BASE) ;
357	}
358
359	switch $(cpu) {
360		case arm :
361			# Workaround for ld using 32k for alignment despite forcing it in the config...
362			# should definitely not be needed!
363			HAIKU_KERNEL_LINKFLAGS +=
364				-Wl,-z -Wl,max-page-size=0x1000
365				-Wl,-z -Wl,common-page-size=0x1000 ;
366
367		case ppc :
368			# Build a position independent PPC kernel. We need to be able to
369			# relocate the kernel, since the virtual address space layout at
370			# boot time is not fixed.
371			HAIKU_KERNEL_PIC_CCFLAGS = -fPIE ;
372			HAIKU_KERNEL_PIC_LINKFLAGS = -shared -fPIE ;
373
374		case m68k :
375			# We don't want to have to handle emulating missing FPU opcodes for
376			# 040 and 060 in the kernel.
377			HAIKU_KERNEL_CCFLAGS += -mtune=68020-60 ;
378			HAIKU_KERNEL_C++FLAGS += -mtune=68020-60 ;
379
380		case x86 :
381			# EFI Bootloader
382			if $(HAIKU_BOOT_PLATFORM) = efi {
383				HAIKU_BOOT_CCFLAGS += -mno-red-zone -maccumulate-outgoing-args ;
384				HAIKU_BOOT_C++FLAGS += -mno-red-zone -maccumulate-outgoing-args ;
385			}
386
387		case x86_64 :
388			# Kernel lives in the top 2GB of the address space, use kernel code
389			# model.
390			HAIKU_KERNEL_PIC_CCFLAGS += -mcmodel=kernel ;
391
392			# Disable the red zone, which cannot be used in kernel code due to
393			# interrupts, and always enable the frame pointer so stack traces
394			# are correct.
395			HAIKU_KERNEL_CCFLAGS += -mno-red-zone -fno-omit-frame-pointer ;
396			HAIKU_KERNEL_C++FLAGS += -mno-red-zone -fno-omit-frame-pointer ;
397			HAIKU_KERNEL_PIC_LINKFLAGS += -z max-page-size=0x1000 ;
398			HAIKU_KERNEL_ADDON_LINKFLAGS += -z max-page-size=0x1000 ;
399
400			# BIOS Bootloader is 32-bit.
401			if $(HAIKU_BOOT_PLATFORM) = bios_ia32 {
402				if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 {
403					HAIKU_BOOT_LINKFLAGS += -m elf_i386 ;
404				} else {
405					HAIKU_BOOT_LINKFLAGS += -m elf_i386_haiku ;
406				}
407				HAIKU_BOOT_CCFLAGS += -m32 -march=pentium ;
408				HAIKU_BOOT_C++FLAGS += -m32 -march=pentium ;
409			}
410
411			# EFI Bootloader
412			if $(HAIKU_BOOT_PLATFORM) = efi {
413				HAIKU_BOOT_CCFLAGS += -mno-red-zone -maccumulate-outgoing-args ;
414				HAIKU_BOOT_C++FLAGS += -mno-red-zone -maccumulate-outgoing-args ;
415			}
416
417			if x86 in $(HAIKU_ARCHS[2-]) || x86_gcc2 in $(HAIKU_ARCHS[2-]) {
418				Echo "Enable kernel ia32 compatibility" ;
419				HAIKU_KERNEL_DEFINES += _COMPAT_MODE ;
420				HAIKU_KERNEL_COMPAT_MODE = 1 ;
421			}
422	}
423
424	if $(HAIKU_BOOT_PLATFORM) = efi {
425		HAIKU_BOOT_CCFLAGS += -fpic -fno-stack-protector -fPIC -fshort-wchar
426			-Wno-error=unused-variable ;
427		HAIKU_BOOT_C++FLAGS += -fpic -fno-stack-protector -fPIC -fshort-wchar
428			-Wno-error=unused-variable ;
429		HAIKU_BOOT_LDFLAGS = -Bstatic -Bsymbolic -shared -nostdlib -znocombreloc -nostartfiles -no-undefined ;
430	} else {
431		HAIKU_BOOT_CCFLAGS += -fno-pic ;
432		HAIKU_BOOT_C++FLAGS += -fno-pic ;
433	}
434
435	# warning flags
436	HAIKU_KERNEL_WARNING_CCFLAGS = -Wall -Wno-trigraphs -Wmissing-prototypes
437		-Wno-multichar ;
438	HAIKU_KERNEL_WARNING_C++FLAGS = -Wall -Wno-trigraphs -Wno-multichar ;
439
440	# debug flags
441	local level ;
442	for level in $(HAIKU_DEBUG_LEVELS) {
443		local flags = $(HAIKU_DEBUG_FLAGS) [ FDefines DEBUG=$(level) ] ;
444		HAIKU_KERNEL_DEBUG_$(level)_CCFLAGS
445			= $(HAIKU_DEBUG_$(level)_CCFLAGS_$(architecture)) ;
446		HAIKU_KERNEL_DEBUG_$(level)_C++FLAGS
447			= $(HAIKU_DEBUG_$(level)_C++FLAGS_$(architecture)) ;
448	}
449
450	# defines
451	HAIKU_KERNEL_DEFINES += _KERNEL_MODE ;
452
453	HAIKU_DEFINES_$(architecture)
454		+= BOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ;
455		# TODO: That doesn't need to be a general define. It's just needed for
456		# compiling (part of) the boot loader.
457
458	# kernel add-on glue code
459	HAIKU_KERNEL_ADDON_BEGIN_GLUE_CODE = <$(architecture)>crtbeginS.o
460		<src!system!glue!$(architecture)>haiku_version_glue.o ;
461	HAIKU_KERNEL_ADDON_END_GLUE_CODE = <$(architecture)>crtendS.o ;
462}
463
464
465rule ArchitectureSetupWarnings architecture
466{
467	# ArchitectureSetupWarnings <architecture> ;
468	#
469	# Sets up compiler warnings and error flags for various subdirectories for
470	# the given packaging architecture.
471
472	if $(HAIKU_CC_IS_CLANG_$(architecture)) = 1 {
473		AppendToConfigVar CCFLAGS :
474			HAIKU_TOP src system libroot posix glibc :
475			-fgnu89-inline -fheinous-gnu-extensions : global ;
476	}
477
478	local cpu = $(HAIKU_CPU_$(architecture)) ;
479	switch $(cpu) {
480		case arm :
481			return ;
482				# we use #warning as placeholders for things to write...
483		case m68k :
484			return ;
485				# we use #warning as placeholders for things to write...
486		case ppc :
487			return ;
488				# we use #warning as placeholders for things to write...
489	}
490
491	# enable -Werror for certain parts of the source tree
492	HAIKU_WERROR_ARCH = $(architecture) ;
493
494	rule EnableWerror dirTokens : scope {
495		# Clang gives way more warnings than GCC, so that code won't compile
496		# with -Werror when using Clang.
497		if $(HAIKU_CC_IS_CLANG_$(architecture)) != 1 {
498			SetConfigVar WARNINGS : HAIKU_TOP $(dirTokens) : treatAsErrors
499				: $(scope) ;
500		}
501	}
502
503	# Work-around for GCC 2 problem -- despite -Wno-multichar it reports
504	# multichar warnings in headers/private/kernel/debugger_keymaps.h included
505	# by src/system/kernel/arch/x86/arch_debug_console.cpp.
506	local gccVersion = $(HAIKU_GCC_VERSION_$(architecture)) ;
507	if $(gccVersion[1]) = 2 {
508		local file = <src!system!kernel!arch!x86>arch_debug_console.o ;
509		WARNINGS on $(file) = $(WARNINGS) ;
510	}
511
512	EnableWerror src add-ons accelerants ;
513	EnableWerror src add-ons bluetooth ;
514	EnableWerror src add-ons decorators ;
515	EnableWerror src add-ons disk_systems ;
516	EnableWerror src add-ons input_server devices ;
517	EnableWerror src add-ons input_server filters ;
518#	EnableWerror src add-ons input_server methods pen ;
519	EnableWerror src add-ons input_server methods t9 ;
520	EnableWerror src add-ons kernel bluetooth ;
521	EnableWerror src add-ons kernel bus_managers acpi ;
522	EnableWerror src add-ons kernel bus_managers agp_gart ;
523	EnableWerror src add-ons kernel bus_managers ata ;
524	EnableWerror src add-ons kernel bus_managers config_manager ;
525#	EnableWerror src add-ons kernel bus_managers firewire ;
526	EnableWerror src add-ons kernel bus_managers ide ;
527	EnableWerror src add-ons kernel bus_managers isa ;
528	EnableWerror src add-ons kernel bus_managers pci ;
529	EnableWerror src add-ons kernel bus_managers ps2 ;
530	EnableWerror src add-ons kernel bus_managers random ;
531	EnableWerror src add-ons kernel bus_managers scsi ;
532	EnableWerror src add-ons kernel bus_managers tty ;
533	EnableWerror src add-ons kernel bus_managers usb ;
534	EnableWerror src add-ons kernel bus_managers virtio ;
535	EnableWerror src add-ons kernel busses agp_gart ;
536	EnableWerror src add-ons kernel busses ata ;
537	EnableWerror src add-ons kernel busses scsi ;
538	EnableWerror src add-ons kernel busses usb ;
539	EnableWerror src add-ons kernel console ;
540	EnableWerror src add-ons kernel cpu ;
541#	EnableWerror src add-ons kernel debugger ; # gcc2
542#	EnableWerror src add-ons kernel drivers audio ;
543	EnableWerror src add-ons kernel drivers bluetooth ;
544	EnableWerror src add-ons kernel drivers bus ;
545	EnableWerror src add-ons kernel drivers common ;
546	EnableWerror src add-ons kernel drivers disk ;
547	EnableWerror src add-ons kernel drivers dvb ;
548#	EnableWerror src add-ons kernel drivers graphics ;
549	EnableWerror src add-ons kernel drivers graphics intel_extreme ;
550#	EnableWerror src add-ons kernel drivers input ;
551	EnableWerror src add-ons kernel drivers joystick ;
552	EnableWerror src add-ons kernel drivers midi ;
553	EnableWerror src add-ons kernel drivers misc ;
554#	EnableWerror src add-ons kernel drivers network ;
555	EnableWerror src add-ons kernel drivers ports ;
556#	EnableWerror src add-ons kernel drivers power ;
557	EnableWerror src add-ons kernel drivers printer ;
558	EnableWerror src add-ons kernel drivers random ;
559	EnableWerror src add-ons kernel drivers tty ;
560	EnableWerror src add-ons kernel drivers video ;
561	EnableWerror src add-ons kernel file_systems bfs ;
562	EnableWerror src add-ons kernel file_systems cdda ;
563#	EnableWerror src add-ons kernel file_systems ext2 ;
564#	EnableWerror src add-ons kernel file_systems fat ;
565#	EnableWerror src add-ons kernel file_systems googlefs ;
566	EnableWerror src add-ons kernel file_systems iso9660 ;
567	EnableWerror src add-ons kernel file_systems layers ;
568	EnableWerror src add-ons kernel file_systems netfs ;
569	EnableWerror src add-ons kernel file_systems nfs ;
570	EnableWerror src add-ons kernel file_systems nfs4 ;
571#	EnableWerror src add-ons kernel file_systems ntfs ;
572	EnableWerror src add-ons kernel file_systems packagefs ;
573#	EnableWerror src add-ons kernel file_systems ramfs ;
574#	EnableWerror src add-ons kernel file_systems reiserfs ;
575	EnableWerror src add-ons kernel file_systems udf ;
576	EnableWerror src add-ons kernel file_systems userlandfs ;
577	EnableWerror src add-ons kernel generic ;
578#	EnableWerror src add-ons kernel network datalink_protocols ;
579	EnableWerror src add-ons kernel network devices ;
580	EnableWerror src add-ons kernel network dns_resolver ;
581	EnableWerror src add-ons kernel network notifications ;
582	EnableWerror src add-ons kernel network ppp ;
583	EnableWerror src add-ons kernel network protocols ;
584#	EnableWerror src add-ons kernel network stack ;
585	EnableWerror src add-ons kernel partitioning_systems ;
586	EnableWerror src add-ons kernel power ;
587	EnableWerror src add-ons locale ;
588	EnableWerror src add-ons mail_daemon ;
589	EnableWerror src add-ons media media-add-ons demultiplexer ;
590	EnableWerror src add-ons media media-add-ons dvb ;
591	EnableWerror src add-ons media media-add-ons esound_sink ;
592	EnableWerror src add-ons media media-add-ons finepix_webcam ;
593	EnableWerror src add-ons media media-add-ons firewire_dv ;
594	EnableWerror src add-ons media media-add-ons legacy ;
595	EnableWerror src add-ons media media-add-ons mixer ;
596	EnableWerror src add-ons media media-add-ons multi_audio ;
597	EnableWerror src add-ons media media-add-ons opensound ;
598	EnableWerror src add-ons media media-add-ons radeon ;
599	EnableWerror src add-ons media media-add-ons reader ;
600	EnableWerror src add-ons media media-add-ons tone_producer_demo ;
601	EnableWerror src add-ons media media-add-ons usb_vision ;
602#	EnableWerror src add-ons media media-add-ons usb_webcam ;
603	EnableWerror src add-ons media media-add-ons video_mixer ;
604#	EnableWerror src add-ons media media-add-ons video_producer_demo ;
605	EnableWerror src add-ons media media-add-ons videowindow ;
606	EnableWerror src add-ons media media-add-ons writer ;
607	EnableWerror src add-ons media plugins aiff_reader ;
608	EnableWerror src add-ons media plugins ape_reader ;
609#	EnableWerror src add-ons media plugins asf_reader ;
610	EnableWerror src add-ons media plugins au_reader ;
611#	EnableWerror src add-ons media plugins avi_reader ;
612#	EnableWerror src add-ons media plugins ffmpeg ;
613#	EnableWerror src add-ons media plugins matroska ;
614#	EnableWerror src add-ons media plugins mov_reader ;
615	EnableWerror src add-ons media plugins mp3_decoder ;
616#	EnableWerror src add-ons media plugins mp3_reader ;
617	EnableWerror src add-ons media plugins mp4_reader ;
618	EnableWerror src add-ons media plugins musepack ;
619#	EnableWerror src add-ons media plugins ogg ;
620#	EnableWerror src add-ons media plugins raw_decoder ;
621#	EnableWerror src add-ons media plugins speex ;
622	EnableWerror src add-ons media plugins theora ;
623	EnableWerror src add-ons media plugins vorbis ;
624#	EnableWerror src add-ons media plugins wav_reader ;
625	EnableWerror src add-ons print ;
626	EnableWerror src add-ons screen_savers ;
627	EnableWerror src add-ons tracker ;
628	EnableWerror src add-ons translators bmp ;
629	EnableWerror src add-ons translators exr ;
630	EnableWerror src add-ons translators gif ;
631	EnableWerror src add-ons translators hvif ;
632	EnableWerror src add-ons translators ico ;
633	EnableWerror src add-ons translators jpeg ;
634#	EnableWerror src add-ons translators jpeg2000 ;
635	EnableWerror src add-ons translators pcx ;
636	EnableWerror src add-ons translators png ;
637	EnableWerror src add-ons translators ppm ;
638	EnableWerror src add-ons translators raw ;
639	EnableWerror src add-ons translators rtf ;
640	EnableWerror src add-ons translators sgi ;
641	EnableWerror src add-ons translators shared ;
642	EnableWerror src add-ons translators stxt ;
643	EnableWerror src add-ons translators tga ;
644	EnableWerror src add-ons translators tiff ;
645	EnableWerror src add-ons translators wonderbrush ;
646	EnableWerror src add-ons print ;
647	EnableWerror src bin desklink ;
648	EnableWerror src bin multiuser ;
649	EnableWerror src bin package ;
650	EnableWerror src bin package_repo ;
651	EnableWerror src bin pkgman ;
652	EnableWerror src libs bsd ;
653	EnableWerror src apps ;
654	EnableWerror src kits ;
655	EnableWerror src preferences ;
656	EnableWerror src servers ;
657	EnableWerror src system boot ;
658#	EnableWerror src system kernel ;
659	EnableWerror src system libroot add-ons ;
660	EnableWerror src system libroot os ;
661	EnableWerror src system libroot posix locale ;
662	EnableWerror src system libroot posix wchar ;
663	EnableWerror src system runtime_loader ;
664}
665
666
667rule MultiArchIfPrimary ifValue : elseValue : architecture
668{
669	# MultiArchIfPrimary <ifValue> : <elseValue>
670	#	[ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ;
671	#
672	# Returns one of the two given values depending on whether
673	# <architecture> is the primary packaging architecture.
674
675	architecture ?= $(TARGET_PACKAGING_ARCH) ;
676
677	if $(architecture) = $(TARGET_PACKAGING_ARCHS[1]) {
678		return $(ifValue) ;
679	}
680	return $(elseValue) ;
681}
682
683
684rule MultiArchConditionalGristFiles files : primaryGrist : secondaryGrist
685	: architecture
686{
687	# MultiArchConditionalGristFiles <files> : <primaryGrist>
688	#	: <secondaryGrist> [ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ;
689	#
690	# Returns <files> with their grist set to either <primaryGrist> or
691	# <secondaryGrist> depending on whether <architecture> is the primary
692	# packaging architecture.
693
694	architecture ?= $(TARGET_PACKAGING_ARCH) ;
695
696	local grist = [ MultiArchIfPrimary $(primaryGrist) : $(secondaryGrist)
697		: $(architecture) ] ;
698	return $(files:G=$(grist:E=)) ;
699}
700
701
702rule MultiArchDefaultGristFiles files : gristPrefix : architecture
703{
704	# MultiArchDefaultGristFiles <files> : <gristPrefix>
705	#	[ : <architecture> = $(TARGET_PACKAGING_ARCH) ] ;
706	#
707	# Convenient shorthand for MultiArchConditionalGristFiles for the common
708	# case that for a secondary packaging architecture the packaging
709	# architecture name shall be appended to the grist while it shall be omitted
710	# for the primary packaging architecture. IOW, if architecture is the
711	# primary packaging architecture, <files> are returned with their grist set
712	# to <gristPrefix>, otherwise <files> are returned with their grist set to
713	# <gristPrefix>!<architecture> respectively <architecture> (if <gristPrefix>
714	# is empty).
715
716	architecture ?= $(TARGET_PACKAGING_ARCH) ;
717
718	local secondaryGrist = $(gristPrefix)!$(architecture) ;
719	secondaryGrist ?= $(architecture) ;
720
721	return [ MultiArchConditionalGristFiles $(files) : $(gristPrefix) :
722		$(secondaryGrist) : $(architecture) ] ;
723}
724
725
726rule MultiArchSubDirSetup architectures
727{
728	# MultiArchSubDirSetup <architectures> ;
729	#
730	# For each of the given packaging architectures <architectures> that are
731	# in the packaging architectures configured for the build (or all configured
732	# packaging architectures, if <architectures> is empty) an object is
733	# prepared that can be used for an "on ... { ... }" block to set up subdir
734	# variables for the respective packaging architecture. Most notably
735	# TARGET_PACKAGING_ARCH, TARGET_ARCH are set to the values for the
736	# respective packaging architecture. The per-subdir variables SOURCE_GRIST,
737	# LOCATE_TARGET, LOCATE_SOURCE, SEARCH_SOURCE, *_LOCATE_TARGET, are reset.
738	# All SUBDIR* and config variables are set to the values they had when this
739	# rule was invoked.
740
741	local result ;
742	architectures ?= $(TARGET_PACKAGING_ARCHS) ;
743	local architecture ;
744	for architecture in $(architectures) {
745		if ! $(architecture) in $(TARGET_PACKAGING_ARCHS) {
746			continue ;
747		}
748
749		local architectureObject = $(architecture:G=<arch-object>) ;
750		result += $(architectureObject) ;
751
752		# Set the variables that default to the values of the respective
753		# variables for the primary architecture.
754		TARGET_PACKAGING_ARCH on $(architectureObject) = $(architecture) ;
755
756		local var ;
757		for var in TARGET_ARCH {
758			$(var) on $(architectureObject) = $($(var)_$(architecture)) ;
759		}
760
761		# Clone the current config variable values and the variables SubDir
762		# resets.
763		for var in $(AUTO_SET_UP_CONFIG_VARIABLES) SUBDIR$(SUBDIRRESET) {
764			$(var) on $(architectureObject) = $($(var)) ;
765		}
766
767		# adjust SOURCE_GRIST and HDRGRIST
768		SOURCE_GRIST on $(architectureObject)
769			= $(SOURCE_GRIST:E=)!$(architecture) ;
770
771		HDRGRIST on $(architectureObject)
772			= $(HDRGRIST:E=)!$(architecture) ;
773
774		# Adjust the subdir's object dirs that are architecture dependent. To
775		# avoid duplicating the code from SetupObjectsDir, we call it. Since it
776		# sets global variables, we set these variables on our object, call
777		# SetupObjectsDir in an "on" block, and grab the new variable values.
778		local hostTarget = HOST TARGET ;
779		local objectDirVars =
780			COMMON_ARCH COMMON_DEBUG DEBUG_$(HAIKU_DEBUG_LEVELS)
781			;
782		objectDirVars =
783			COMMON_PLATFORM_LOCATE_TARGET
784			$(hostTarget)_$(objectDirVars)_LOCATE_TARGET
785			LOCATE_TARGET
786			LOCATE_SOURCE
787			SEARCH_SOURCE
788			;
789
790		for var in $(objectDirVars) {
791			$(var) on $(architectureObject) = ;
792		}
793
794		on $(architectureObject) {
795			SetupObjectsDir ;
796
797			for var in $(objectDirVars) {
798				$(var) on $(architectureObject) = $($(var)) ;
799			}
800		}
801	}
802
803	return $(result) ;
804}
805