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227 dpurdie 1 
###############################################################################
2 
# File:     TOOLSET/gcc.rul[e]
3 
# Contents: GCC rules
4 
#
5 
###############################################################################
6 
 
7 
###############################################################################
8 
#..     Remove "undef" warnings
9 
#
10 
cc_includes	+=
11 
cc_defines	+=
12 
cxx_includes	+=
13 
cxx_defines	+=
14 
as_includes	+=
15 
as_defines	+=
16 
 
17 
 
18 
###############################################################################
19 
#..     Toolset defaults
383 dpurdie 20 
#           mkdepend is a lot faster that gcc
227 dpurdie 21 
#
383 dpurdie 22 
USE_GCCDEPEND	= 0
227 dpurdie 23 
 
24 
###############################################################################
25 
#..     Parse user options
26 
#       Global options already parsed
27 
#       These options extend the global options
28 
#
29 
ifdef OPTIONS
30 
 
31 
ifneq "$(findstring purify,$(OPTIONS))" ""	# Enable purify
32 
CC_PRE		+= purify
33 
else
34 
ifneq "$(findstring purecov,$(OPTIONS))" ""	# Enable pure coverage
35 
CC_PRE		+= purecov
36 
endif
37 
endif
38 
 
39 
ifneq "$(findstring metrics,$(OPTIONS))" ""	# Build source metrixs
40 
USE_METRICS	= 1
41 
endif
42 
 
43 
ifneq "$(findstring checker,$(OPTIONS))" ""
44 
USE_CHECKER	= 1
45 
endif
46 
 
47 
ifneq "$(findstring profile,$(OPTIONS))" ""
48 
USE_PROFILE	= 1
49 
endif
50 
 
51 
ifneq "$(findstring ccdepend,$(OPTIONS))" ""	# Build depends using gcc
52 
USE_GCCDEPEND	= 1
53 
endif
54 
ifneq "$(findstring gccdepend,$(OPTIONS))" ""
55 
USE_GCCDEPEND	= 1
56 
endif
57 
ifneq "$(findstring mkdepend,$(OPTIONS))" ""
58 
USE_GCCDEPEND	= 0
59 
endif
60 
 
61 
ifneq "$(findstring wall,$(OPTIONS))" ""	# Enable all warnings
62 
USE_WALL	= 1
63 
endif
64 
 
65 
endif	#OPTIONS
66 
 
67 
###############################################################################
377 dpurdie 68 
#..     C and C++ Compiler warning filter
69 
#
70 
cc_filter_name  := warnings.gcc
71 
cc_filter	:= "$(notdir $(wildcard $(GBE_ROOT)/$(cc_filter_name)))"
72 
 
73 
ifeq ($(strip $(cc_filter)),"$(cc_filter_name)")
74 
    cc_filter      := $(GBE_ROOT)/$(cc_filter_name)
75 
else
76 
    cc_filter  :=
77 
endif
78 
 
79 
ifdef cc_filter
80 
cc_redirect_stderr = 1
81 
cc_error_filter = $(awk) -f $(cc_filter)
82 
endif
83 
 
84 
###############################################################################
227 dpurdie 85 
#..     C Compiler definition
86 
#
87 
 
88 
	# Standard defines
89 
	#
90 
	#..
91 
ifdef GCC_DEFINES
92 
gcc_defines	+= $(GCC_DEFINES)
93 
endif
94 
 
95 
gcc_defines	+= -D_REENTRANT
96 
 
97 
ifeq "$(DEBUG)" "1"
373 dpurdie 98 
gcc_defines	+= -DDEBUG
227 dpurdie 99 
else
100 
gcc_defines	+=
101 
endif
102 
 
103 
ifdef ALVL
104 
gcc_defines	+= -DALVL=$(ALVL)
105 
endif
106 
 
107 
ifdef DLVL
108 
gcc_defines	+= -DDLVL=$(DLVL)
109 
endif
110 
 
111 
gcc_defines	+= -D__SOURCE__=\"$(notdir $<)\"
112 
 
113 
	# Standard flags
114 
	#
115 
	#  -Wall implies:
116 
	#       -Wimplicit, -Wreturn-type, -Wunused, -Wswitch
117 
	#       -Wformat, -Wchar-subscripts, -Wparentheses
118 
	#       -Wmissing-braces
119 
	#..
120 
gcc_flags	+= -c
121 
gcc_flags	+= -Wall
122 
ifdef USE_WALL
123 
#gcc_flags	+= -Wuninitialized		# only makes sense with `-O'
124 
gcc_flags	+= -Wwrite-strings
125 
gcc_flags	+= -Wcast-qual
126 
gcc_flags	+= -Wbad-function-cast
127 
gcc_flags	+= -Wpointer-arith
128 
gcc_flags	+= -Wstrict-prototypes
129 
gcc_flags	+= -Wmissing-prototypes
130 
gcc_flags	+= -Wmissing-declarations
131 
gcc_flags	+= -Wnested-externs
132 
gcc_flags	+= -Wtraditional
133 
gcc_flags	+= -Wconversion
134 
gcc_flags	+= -Wcomment
135 
gcc_flags	+= -Wcast-align
136 
#gcc_flags	+= -Winline
137 
gcc_flags	+= -Wshadow
138 
gcc_flags	+= -Wredundant-decls
4309 dpurdie 139 
#gcc_flags	+= -Wid-clash-31
227 dpurdie 140 
endif
141 
 
142 
ifdef GCC_CFLAGS
143 
gcc_flags	+= $(GCC_CFLAGS)
144 
endif
145 
 
146 
ifdef FORCE_C_COMPILE
147 
endif
148 
 
149 
ifdef FORCE_CC_COMPILE
150 
endif
151 
 
152 
ifdef USE_OPTIMISE				# default for production
153 
else
154 
endif
155 
 
156 
ifdef USE_DEBUGINFO				# default for debug
373 dpurdie 157 
gcc_flags	+= -g3 -ggdb
227 dpurdie 158 
else
373 dpurdie 159 
gcc_flags	+= -g3 -ggdb
227 dpurdie 160 
endif
161 
 
162 
ifeq "$(DEBUG)" "1"				# debug/prod specific
163 
ifdef GCC_CFLAGSD
4034 dpurdie 164 
gcc_flags	+= $(GCC_CFLAGSD)
227 dpurdie 165 
endif
166 
else
167 
ifdef GCC_CFLAGSP
4034 dpurdie 168 
gcc_flags	+= $(GCC_CFLAGSP)
227 dpurdie 169 
endif
170 
endif
171 
 
5115 dpurdie 172 
ifdef USE_STRICT_ANSI			# default NO
227 dpurdie 173 
gcc_flags	+= -ansi
174 
endif
175 
 
176 
ifdef USE_PROFILE				# default NO
177 
gcc_flags	+= -pg
178 
endif
179 
 
180 
ifdef LEAVETMP					# default NO
181 
gcc_flags	+= -save-temps
182 
endif
183 
 
4928 dpurdie 184 
ifdef WARNINGS_AS_ERRORS
185 
gcc_flags	+= -Werror
186 
endif
187 
 
5115 dpurdie 188 
ifdef GEN_PIC
189 
gcc_flags	+= -fPIC
190 
endif
191 
 
227 dpurdie 192 
SHCFLAGS	+= -fpic
193 
SHCXXFLAGS	+= -fpic
194 
 
195 
	# Standard includes
196 
	#
197 
	#..
198 
gcc_includes	+=
199 
 
200 
ifdef GCC_INCLUDES
201 
gcc_includes	+= $(GCC_INCLUDES)
202 
endif
203 
 
204 
	# Command
205 
	#
206 
	#..
207 
ifdef USE_CHECKER
208 
cc		= @checkergcc
209 
else
210 
cc		= $(CC_PRE) $(GCC_CC)
211 
endif
212 
cc_init		=
213 
cc_o_switch	= -o $@
214 
cc_source	= $<
215 
cc_flags	= \
216 
		$(patsubst %,%,$(CFLAGS)) \
217 
		$(patsubst %,%,$(gcc_flags)) \
218 
		$(patsubst %,%,$(gcc_defines)) \
219 
		$(patsubst %,-D%,$(cc_defines)) \
220 
		$(patsubst %,-I %,$(INCDIRS)) \
221 
		$(patsubst %,-I %,$(cc_includes)) \
222 
		$(patsubst %,-I %,$(gcc_includes))
223 
cc_term		=
224 
 
225 
define cc_pre
226 
	@echo [$<] compiling..
227 
endef
228 
 
229 
ifdef USE_METRICS
230 
define cc_post
231 
	$(cc) -E $(cc_flags) $(cc_source) | mcstrip | cyclo -c > $(basename $@).met
232 
endef
233 
else
234 
define cc_post
235 
endef
236 
endif
237 
 
238 
###############################################################################
239 
#..     C/C++ dependencies
240 
#
241 
 
242 
	# Additional defines
243 
	#
244 
	#..
245 
gcc_depend	+=
246 
 
247 
ifeq ($(USE_GCCDEPEND),0)
248 
	# Build GCC predefs and default include paths
249 
	#..
250 
GCC_MACHINE	=$(shell $(GCC_CC) -dumpmachine)
251 
GCC_VERSION	=$(shell $(GCC_CC) -dumpversion)
252 
 
253 
gcc_depend	+= -D__GNUC__=$(word 1,$(subst .,$(space),$(GCC_VERSION)))
254 
gcc_depend	+= -D__GNUC_MINOR__=$(word 2,$(subst .,$(space),$(GCC_VERSION)))
255 
gcc_depend	+= -D__STDC__ -D__STDC_HOSTED__
256 
 
257 
ifdef GCC_TARGET
258 
ifneq "$(findstring Linux,$(GCC_TARGET))" ""
259 
gcc_depend	+= -Dunix -D__unix -D__unix__
260 
gcc_depend	+= -Dlinux -D__linux -D__linux__
261 
endif
262 
ifneq "$(findstring i386,$(GCC_TARGET))" ""
263 
gcc_depend	+= -Di386 -D__i386 -D__i386__
264 
endif
265 
ifneq "$(findstring armv4,$(GCC_TARGET))" ""
266 
gcc_depend	+= -Darm -D__arm -D__arm__
267 
gcc_depend	+= -D__ARM_ARCH__=4
268 
endif
269 
ifneq "$(findstring armv9,$(GCC_TARGET))" ""
270 
gcc_depend	+= -Darm -D__arm -D__arm__
271 
gcc_depend	+= -D__ARM_ARCH__=9
272 
endif
273 
 
274 
endif
275 
 
276 
gcc_depend	+= -Y $(GCC_ROOT)/lib/gcc-lib/$(GCC_MACHINE)/$(GCC_VERSION)/include
277 
gcc_depend	+= -Y $(GCC_ROOT)/include
278 
endif
279 
 
280 
ifdef GCC_DEPEND
281 
gcc_depend	+= $(GCC_DEPEND)
282 
endif
283 
 
284 
	# Command
285 
	#
286 
	#..
287 
ifeq ($(USE_GCCDEPEND),0)
367 dpurdie 288 
ccdep		= $(XX_PRE) $(GBE_BIN)/mkdepend
227 dpurdie 289 
ccdep_init	=
290 
ccdep_o_switch	= -f -
291 
ccdep_flags	= -MM -b -We -p '$$(OBJDIR)/' -o ".$(o)"
4538 dpurdie 292 
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $(subst /,/,$@).tmp 2> $(OBJDIR)/depend.err
227 dpurdie 293 
else
294 
ccdep		= -$(XX_PRE) $(GCC_CC)
295 
ccdep_init	=
296 
ccdep_o_switch	=
297 
ccdep_flags	= -E -MM -MG
298 
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $(subst /,/,$@).tmp 2> $(OBJDIR)/depend.err
299 
endif
300 
 
301 
ccdep_flags	+= \
302 
		$(patsubst %,%,$(CFLAGS)) \
303 
		$(patsubst %,%,$(gcc_depend)) \
304 
		$(patsubst %,%,$(gcc_defines)) \
305 
		$(patsubst %,-D%,$(cc_defines)) \
306 
		$(patsubst %,-I %,$(INCDIRS)) \
307 
		$(patsubst %,-I %,$(cc_includes))
308 
 
309 
ifeq ($(USE_GCCDEPEND),0)
310 
ccdep_flags	+= \
311 
		$(patsubst %,-Y %,$(gcc_includes))
312 
endif
313 
 
314 
	#
315 
	#   Parse the depend output:
316 
	#
317 
	#   s/^.*/\(.*\.${o}\:\)/$(OBJDIR)/\1/g
318 
	#        replace all object rules which contain / seperated
319 
	#        subdirs with a stripped prefixed object name.
320 
	#
321 
	#        eg. subdir/dir/object.o:        $(OBJDIR)/object.o
322 
	#
323 
	#   s/^\([^/].*\.${o}\:\)/$(OBJDIR)/\1/g
324 
	#        prefix all object rules without subdirs.
325 
	#
326 
	#        eg. object.o:                   $(OBJDIR)/object.o
327 
	#..
328 
 
329 
ccdep_pre	=
330 
 
331 
ccdep_sed	= \
332 
	-sed -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
333 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
334 
		$(subst /,/,$@).tmp > $@ 2> $(OBJDIR)/depend.err;
335 
ifdef SHNAMES
336 
ccdep_sedsh	= \
337 
	sed  -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
338 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
339 
		$(subst /,/,$@).tmp >> $@ 2>> $(OBJDIR)/depend.err;
340 
ccdep_sed	+= \
341 
		$(foreach shname,$(SHNAMES),$(ccdep_sedsh))
342 
endif
343 
 
344 
ifndef LEAVETMP
345 
define ccdep_post
346 
	@$(ccdep_sed)
347 
	@rm $(subst /,/,$@).tmp
348 
endef
349 
else
350 
define ccdep_post
351 
	@$(ccdep_sed)
352 
endef
353 
endif
354 
 
355 
#..     C++ Compiler definition
356 
#
357 
ifdef USE_CHECKER
358 
cxx		= @checkergcc
359 
else
360 
cxx		= $(CC_PRE) $(GCC_CC)
361 
endif
362 
cxx_init	=
363 
cxx_o_switch	= -o $@
364 
cxx_source	= $<
365 
cxx_flags	= \
366 
		$(patsubst %,%,$(CXXFLAGS)) \
367 
		$(patsubst %,%,$(gcc_flags)) \
368 
		$(patsubst %,%,$(gcc_defines)) \
369 
		$(patsubst %,-d%,$(cxx_defines)) \
370 
		$(patsubst %,-I %,$(INCDIRS)) \
371 
		$(patsubst %,-I %,$(cxx_includes)) \
372 
		$(patsubst %,-I %,$(gcc_includes))
373 
 
374 
define cxx_pre
375 
	@echo [$<] compiling..
376 
endef
377 
 
378 
define cxx_post
379 
endef
380 
 
381 
###############################################################################
382 
#..     Assembler definition
383 
#
384 
 
385 
#..     Assembler (GCC)
386 
#
387 
as		= $(CC_PRE) $(GCC_CC)
388 
as_init		=
389 
as_i_switch	= -I$(space)
390 
as_o_switch	=
391 
as_object	= -o $@
392 
as_source	= $<
393 
 
394 
gas_flags	= -Wall -x assembler-with-cpp -c
395 
ifeq "$(DEBUG)" "1"
396 
gas_flags	+= -g -DDEBUG
397 
endif
398 
ifdef DLVL
399 
gas_flags	+= -DDLVL=$(DLVL)
400 
endif
401 
ifdef ALVL
402 
gas_flags	+= -DALVL=$(ALVL)
403 
endif
404 
as_defines	:= $(addprefix -D,$(as_defines))
405 
as_defines	+= $(gas_flags)
406 
 
407 
as_flags	= \
251 dpurdie 408 
		$(ASFLAGS) \
409 
		$(as_defines) \
227 dpurdie 410 
		$(patsubst %,$(as_i_switch)%,$(INCDIRS)) \
411 
		$(patsubst %,$(as_i_switch)%,$(as_includes)) \
412 
		$(as_object)
413 
 
414 
define as_pre
415 
	@echo [$<] compiling..
416 
endef
417 
 
418 
define as_post
419 
endef
420 
 
421 
 
422 
###############################################################################
423 
#..     Archiver definition
424 
#
425 
 
426 
#..     Archiver
427 
#
428 
ar		= $(XX_PRE) $(GCC_AR)
429 
ar_o_switch	=
4034 dpurdie 430 
ar_flags	= -scr $@ \
227 dpurdie 431 
		$(patsubst %,%,$^)
432 
 
433 
define ar_pre
4034 dpurdie 434 
	@echo [$@] Create archive..
227 dpurdie 435 
endef
436 
 
437 
define ar_post
438 
endef
439 
 
440 
#..     Archive Merge
441 
#
442 
armerge		= $(XX_PRE) $(GBE_TOOLS)/armerge
443 
armerge_init	=
261 dpurdie 444 
armerge_flags	= -d $(MLIBDIR) -t unix -a $(GCC_AR)
227 dpurdie 445 
armerge_o_switch= $@ $^
446 
 
447 
armerge_pre	= -$(rm) -f $@
448 
armerge_post	=
449 
 
450 
###############################################################################
451 
#..     Linker definition
452 
#
453 
 
454 
#..     Linked (shared library support)
455 
#
456 
#       The following are detailed within the context of TARGET definition:
457 
#
458 
#       SHNAME  Defines the shared library name (eg lib.so.1.1)
459 
#       SHBASE  Defines the base library name (eg lib.so)
460 
#
461 
shld		= $(CC_PRE) $(GCC_CC)
462 
shld_o_switch	= -o $@
463 
 
464 
shld_flags	+= -shared -fPIC
4034 dpurdie 465 
shld_flags	+= -Wl,-z,defs,--warn-unresolved-symbols
227 dpurdie 466 
shld_flags	+= -Xlinker -h'$(SHNAME)'
467 
shld_flags	+= -Xlinker -Map '$(LIBDIR)/$(SHBASE).map'
468 
 
469 
ifeq "$(DEBUG)" "1"
470 
shld_flags	+= -g
471 
endif
472 
shld_flags	+= \
473 
		$(patsubst %,%,$(LDFLAGS)) \
4728 dpurdie 474 
		$(patsubst %,%,$(GCC_LDFLAGS)) \
4518 dpurdie 475 
		$(patsubst %,-L%,$(wildcard $(LIBDIRS))) \
227 dpurdie 476 
		$($(notdir $(SHBASE))_shld)
477 
 
478 
define shld_pre
479 
	@echo [$@] Linking shared library..; \
480 
	$(touch) $(LIBDIR)/$(SHBASE).map
481 
endef
482 
 
483 
define shld_post
484 
endef
485 
 
486 
define SHLDDEPEND
341 dpurdie 487 
	$(AA_PRE)export GCC_LIB; \
4518 dpurdie 488 
		GCC_LIB="$(subst $(space),;,$(wildcard $(LIBDIRS)))"; \
335 dpurdie 489 
	$(cmdfile) -wo$@ "@(vlibgcc,$(GCC_CC))$($(DPLIST))"
227 dpurdie 490 
endef
491 
 
492 
 
493 
#..     Linker
494 
#
495 
ifdef USE_CHECKER
496 
ld		= @checkergcc
497 
else
498 
ld		= $(CC_PRE) $(GCC_CC)
499 
endif
500 
ld_init		=
501 
ld_o_switch	= -o $@
502 
 
503 
ld_flags	+= -Xlinker -Map '$(basename $@).map'
504 
 
505 
ifeq "$(DEBUG)" "1"
506 
ld_flags	+= -g
507 
endif
508 
ifdef USE_PROFILE
509 
ld_flags	+= -pg
510 
endif
511 
 
512 
ld_flags	+= \
513 
		$(patsubst %,%,$(LDFLAGS)) \
4728 dpurdie 514 
		$(patsubst %,%,$(GCC_LDFLAGS)) \
4518 dpurdie 515 
		$(patsubst %,-L%,$(wildcard $(LIBDIRS))) \
516 
		$(patsubst %,-Xlinker -rpath-link %,$(wildcard $(LIBDIRS))) \
227 dpurdie 517 
		$($(notdir $(basename $@))_ld)
518 
 
519 
define ld_pre
520 
	@echo [$@] Linking..; \
521 
	$(touch) $(basename $@).map
522 
endef
523 
 
524 
define ld_post
525 
endef
526 
 
527 
define LDDEPEND
341 dpurdie 528 
	$(AA_PRE)export GCC_LIB; \
4518 dpurdie 529 
		GCC_LIB="$(subst $(space),;,$(wildcard $(LIBDIRS)))"; \
335 dpurdie 530 
	$(cmdfile) -wo$@ "@(vlibgcc,$(GCC_CC))$($(DPLIST))"
227 dpurdie 531 
endef
532 
 
373 dpurdie 533 
 
227 dpurdie 534 
#
373 dpurdie 535 
#   LDSTRIP
4949 dpurdie 536 
#       $1 - Full name of the output
373 dpurdie 537 
#       $2 - Full name of debug file
538 
define LDSTRIP
539 
    $(GCC_OBJCOPY) --only-keep-debug $1 $2 || rm -f $1 $2
540 
    $(GCC_OBJCOPY) --strip-debug $1 || rm -f $1 $2
541 
    $(GCC_OBJCOPY) --add-gnu-debuglink=$2 $1 || rm -f $1 $2
542 
 
543 
endef