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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 
 
172 
ifdef USE_STRICT_ANSI				# default NO
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 
 
184 
SHCFLAGS	+= -fpic
185 
SHCXXFLAGS	+= -fpic
186 
 
187 
	# Standard includes
188 
	#
189 
	#..
190 
gcc_includes	+=
191 
 
192 
ifdef GCC_INCLUDES
193 
gcc_includes	+= $(GCC_INCLUDES)
194 
endif
195 
 
196 
	# Command
197 
	#
198 
	#..
199 
ifdef USE_CHECKER
200 
cc		= @checkergcc
201 
else
202 
cc		= $(CC_PRE) $(GCC_CC)
203 
endif
204 
cc_init		=
205 
cc_o_switch	= -o $@
206 
cc_source	= $<
207 
cc_flags	= \
208 
		$(patsubst %,%,$(CFLAGS)) \
209 
		$(patsubst %,%,$(gcc_flags)) \
210 
		$(patsubst %,%,$(gcc_defines)) \
211 
		$(patsubst %,-D%,$(cc_defines)) \
212 
		$(patsubst %,-I %,$(INCDIRS)) \
213 
		$(patsubst %,-I %,$(cc_includes)) \
214 
		$(patsubst %,-I %,$(gcc_includes))
215 
cc_term		=
216 
 
217 
define cc_pre
218 
	@echo [$<] compiling..
219 
endef
220 
 
221 
ifdef USE_METRICS
222 
define cc_post
223 
	$(cc) -E $(cc_flags) $(cc_source) | mcstrip | cyclo -c > $(basename $@).met
224 
endef
225 
else
226 
define cc_post
227 
endef
228 
endif
229 
 
230 
###############################################################################
231 
#..     C/C++ dependencies
232 
#
233 
 
234 
	# Additional defines
235 
	#
236 
	#..
237 
gcc_depend	+=
238 
 
239 
ifeq ($(USE_GCCDEPEND),0)
240 
	# Build GCC predefs and default include paths
241 
	#..
242 
GCC_MACHINE	=$(shell $(GCC_CC) -dumpmachine)
243 
GCC_VERSION	=$(shell $(GCC_CC) -dumpversion)
244 
 
245 
gcc_depend	+= -D__GNUC__=$(word 1,$(subst .,$(space),$(GCC_VERSION)))
246 
gcc_depend	+= -D__GNUC_MINOR__=$(word 2,$(subst .,$(space),$(GCC_VERSION)))
247 
gcc_depend	+= -D__STDC__ -D__STDC_HOSTED__
248 
 
249 
ifdef GCC_TARGET
250 
ifneq "$(findstring Linux,$(GCC_TARGET))" ""
251 
gcc_depend	+= -Dunix -D__unix -D__unix__
252 
gcc_depend	+= -Dlinux -D__linux -D__linux__
253 
endif
254 
ifneq "$(findstring i386,$(GCC_TARGET))" ""
255 
gcc_depend	+= -Di386 -D__i386 -D__i386__
256 
endif
257 
ifneq "$(findstring armv4,$(GCC_TARGET))" ""
258 
gcc_depend	+= -Darm -D__arm -D__arm__
259 
gcc_depend	+= -D__ARM_ARCH__=4
260 
endif
261 
ifneq "$(findstring armv9,$(GCC_TARGET))" ""
262 
gcc_depend	+= -Darm -D__arm -D__arm__
263 
gcc_depend	+= -D__ARM_ARCH__=9
264 
endif
265 
 
266 
endif
267 
 
268 
gcc_depend	+= -Y $(GCC_ROOT)/lib/gcc-lib/$(GCC_MACHINE)/$(GCC_VERSION)/include
269 
gcc_depend	+= -Y $(GCC_ROOT)/include
270 
endif
271 
 
272 
ifdef GCC_DEPEND
273 
gcc_depend	+= $(GCC_DEPEND)
274 
endif
275 
 
276 
	# Command
277 
	#
278 
	#..
279 
ifeq ($(USE_GCCDEPEND),0)
367 dpurdie 280 
ccdep		= $(XX_PRE) $(GBE_BIN)/mkdepend
227 dpurdie 281 
ccdep_init	=
282 
ccdep_o_switch	= -f -
283 
ccdep_flags	= -MM -b -We -p '$$(OBJDIR)/' -o ".$(o)"
4538 dpurdie 284 
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $(subst /,/,$@).tmp 2> $(OBJDIR)/depend.err
227 dpurdie 285 
else
286 
ccdep		= -$(XX_PRE) $(GCC_CC)
287 
ccdep_init	=
288 
ccdep_o_switch	=
289 
ccdep_flags	= -E -MM -MG
290 
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $(subst /,/,$@).tmp 2> $(OBJDIR)/depend.err
291 
endif
292 
 
293 
ccdep_flags	+= \
294 
		$(patsubst %,%,$(CFLAGS)) \
295 
		$(patsubst %,%,$(gcc_depend)) \
296 
		$(patsubst %,%,$(gcc_defines)) \
297 
		$(patsubst %,-D%,$(cc_defines)) \
298 
		$(patsubst %,-I %,$(INCDIRS)) \
299 
		$(patsubst %,-I %,$(cc_includes))
300 
 
301 
ifeq ($(USE_GCCDEPEND),0)
302 
ccdep_flags	+= \
303 
		$(patsubst %,-Y %,$(gcc_includes))
304 
endif
305 
 
306 
	#
307 
	#   Parse the depend output:
308 
	#
309 
	#   s/^.*/\(.*\.${o}\:\)/$(OBJDIR)/\1/g
310 
	#        replace all object rules which contain / seperated
311 
	#        subdirs with a stripped prefixed object name.
312 
	#
313 
	#        eg. subdir/dir/object.o:        $(OBJDIR)/object.o
314 
	#
315 
	#   s/^\([^/].*\.${o}\:\)/$(OBJDIR)/\1/g
316 
	#        prefix all object rules without subdirs.
317 
	#
318 
	#        eg. object.o:                   $(OBJDIR)/object.o
319 
	#..
320 
 
321 
ccdep_pre	=
322 
 
323 
ccdep_sed	= \
324 
	-sed -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
325 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
326 
		$(subst /,/,$@).tmp > $@ 2> $(OBJDIR)/depend.err;
327 
ifdef SHNAMES
328 
ccdep_sedsh	= \
329 
	sed  -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
330 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
331 
		$(subst /,/,$@).tmp >> $@ 2>> $(OBJDIR)/depend.err;
332 
ccdep_sed	+= \
333 
		$(foreach shname,$(SHNAMES),$(ccdep_sedsh))
334 
endif
335 
 
336 
ifndef LEAVETMP
337 
define ccdep_post
338 
	@$(ccdep_sed)
339 
	@rm $(subst /,/,$@).tmp
340 
endef
341 
else
342 
define ccdep_post
343 
	@$(ccdep_sed)
344 
endef
345 
endif
346 
 
347 
#..     C++ Compiler definition
348 
#
349 
ifdef USE_CHECKER
350 
cxx		= @checkergcc
351 
else
352 
cxx		= $(CC_PRE) $(GCC_CC)
353 
endif
354 
cxx_init	=
355 
cxx_o_switch	= -o $@
356 
cxx_source	= $<
357 
cxx_flags	= \
358 
		$(patsubst %,%,$(CXXFLAGS)) \
359 
		$(patsubst %,%,$(gcc_flags)) \
360 
		$(patsubst %,%,$(gcc_defines)) \
361 
		$(patsubst %,-d%,$(cxx_defines)) \
362 
		$(patsubst %,-I %,$(INCDIRS)) \
363 
		$(patsubst %,-I %,$(cxx_includes)) \
364 
		$(patsubst %,-I %,$(gcc_includes))
365 
 
366 
define cxx_pre
367 
	@echo [$<] compiling..
368 
endef
369 
 
370 
define cxx_post
371 
endef
372 
 
373 
###############################################################################
374 
#..     Assembler definition
375 
#
376 
 
377 
#..     Assembler (GCC)
378 
#
379 
as		= $(CC_PRE) $(GCC_CC)
380 
as_init		=
381 
as_i_switch	= -I$(space)
382 
as_o_switch	=
383 
as_object	= -o $@
384 
as_source	= $<
385 
 
386 
gas_flags	= -Wall -x assembler-with-cpp -c
387 
ifeq "$(DEBUG)" "1"
388 
gas_flags	+= -g -DDEBUG
389 
endif
390 
ifdef DLVL
391 
gas_flags	+= -DDLVL=$(DLVL)
392 
endif
393 
ifdef ALVL
394 
gas_flags	+= -DALVL=$(ALVL)
395 
endif
396 
as_defines	:= $(addprefix -D,$(as_defines))
397 
as_defines	+= $(gas_flags)
398 
 
399 
as_flags	= \
251 dpurdie 400 
		$(ASFLAGS) \
401 
		$(as_defines) \
227 dpurdie 402 
		$(patsubst %,$(as_i_switch)%,$(INCDIRS)) \
403 
		$(patsubst %,$(as_i_switch)%,$(as_includes)) \
404 
		$(as_object)
405 
 
406 
define as_pre
407 
	@echo [$<] compiling..
408 
endef
409 
 
410 
define as_post
411 
endef
412 
 
413 
 
414 
###############################################################################
415 
#..     Archiver definition
416 
#
417 
 
418 
#..     Archiver
419 
#
420 
ar		= $(XX_PRE) $(GCC_AR)
421 
ar_o_switch	=
4034 dpurdie 422 
ar_flags	= -scr $@ \
227 dpurdie 423 
		$(patsubst %,%,$^)
424 
 
425 
define ar_pre
4034 dpurdie 426 
	@echo [$@] Create archive..
227 dpurdie 427 
endef
428 
 
429 
define ar_post
430 
endef
431 
 
432 
#..     Archive Merge
433 
#
434 
armerge		= $(XX_PRE) $(GBE_TOOLS)/armerge
435 
armerge_init	=
261 dpurdie 436 
armerge_flags	= -d $(MLIBDIR) -t unix -a $(GCC_AR)
227 dpurdie 437 
armerge_o_switch= $@ $^
438 
 
439 
armerge_pre	= -$(rm) -f $@
440 
armerge_post	=
441 
 
442 
###############################################################################
443 
#..     Linker definition
444 
#
445 
 
446 
#..     Linked (shared library support)
447 
#
448 
#       The following are detailed within the context of TARGET definition:
449 
#
450 
#       SHNAME  Defines the shared library name (eg lib.so.1.1)
451 
#       SHBASE  Defines the base library name (eg lib.so)
452 
#
453 
shld		= $(CC_PRE) $(GCC_CC)
454 
shld_o_switch	= -o $@
455 
 
456 
shld_flags	+= -shared -fPIC
4034 dpurdie 457 
shld_flags	+= -Wl,-z,defs,--warn-unresolved-symbols
227 dpurdie 458 
shld_flags	+= -Xlinker -h'$(SHNAME)'
459 
shld_flags	+= -Xlinker -Map '$(LIBDIR)/$(SHBASE).map'
460 
 
461 
ifeq "$(DEBUG)" "1"
462 
shld_flags	+= -g
463 
endif
464 
shld_flags	+= \
465 
		$(patsubst %,%,$(LDFLAGS)) \
4712 alewis 466 
		$(patsubst %,%,$(GCC_LDFLAGS)) \
4518 dpurdie 467 
		$(patsubst %,-L%,$(wildcard $(LIBDIRS))) \
227 dpurdie 468 
		$($(notdir $(SHBASE))_shld)
469 
 
470 
define shld_pre
471 
	@echo [$@] Linking shared library..; \
472 
	$(touch) $(LIBDIR)/$(SHBASE).map
473 
endef
474 
 
475 
define shld_post
476 
endef
477 
 
478 
define SHLDDEPEND
341 dpurdie 479 
	$(AA_PRE)export GCC_LIB; \
4518 dpurdie 480 
		GCC_LIB="$(subst $(space),;,$(wildcard $(LIBDIRS)))"; \
335 dpurdie 481 
	$(cmdfile) -wo$@ "@(vlibgcc,$(GCC_CC))$($(DPLIST))"
227 dpurdie 482 
endef
483 
 
484 
 
485 
#..     Linker
486 
#
487 
ifdef USE_CHECKER
488 
ld		= @checkergcc
489 
else
490 
ld		= $(CC_PRE) $(GCC_CC)
491 
endif
492 
ld_init		=
493 
ld_o_switch	= -o $@
494 
 
495 
ld_flags	+= -Xlinker -Map '$(basename $@).map'
496 
 
497 
ifeq "$(DEBUG)" "1"
498 
ld_flags	+= -g
499 
endif
500 
ifdef USE_PROFILE
501 
ld_flags	+= -pg
502 
endif
503 
 
504 
ld_flags	+= \
505 
		$(patsubst %,%,$(LDFLAGS)) \
4712 alewis 506 
		$(patsubst %,%,$(GCC_LDFLAGS)) \
4518 dpurdie 507 
		$(patsubst %,-L%,$(wildcard $(LIBDIRS))) \
508 
		$(patsubst %,-Xlinker -rpath-link %,$(wildcard $(LIBDIRS))) \
227 dpurdie 509 
		$($(notdir $(basename $@))_ld)
510 
 
511 
define ld_pre
512 
	@echo [$@] Linking..; \
513 
	$(touch) $(basename $@).map
514 
endef
515 
 
516 
define ld_post
517 
endef
518 
 
519 
define LDDEPEND
341 dpurdie 520 
	$(AA_PRE)export GCC_LIB; \
4518 dpurdie 521 
		GCC_LIB="$(subst $(space),;,$(wildcard $(LIBDIRS)))"; \
335 dpurdie 522 
	$(cmdfile) -wo$@ "@(vlibgcc,$(GCC_CC))$($(DPLIST))"
227 dpurdie 523 
endef
524 
 
373 dpurdie 525 
 
227 dpurdie 526 
#
373 dpurdie 527 
#   LDSTRIP
528 
#       $1 - Full name of the ouput
529 
#       $2 - Full name of debug file
530 
define LDSTRIP
531 
    $(GCC_OBJCOPY) --only-keep-debug $1 $2 || rm -f $1 $2
532 
    $(GCC_OBJCOPY) --strip-debug $1 || rm -f $1 $2
533 
    $(GCC_OBJCOPY) --add-gnu-debuglink=$2 $1 || rm -f $1 $2
534 
 
535 
endef