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227 dpurdie 1 
# -*- mode: mak; -*-
2 
###############################################################################
3 
# File:     TOOLSET/gcc.rul[e]
4 
# Contents: GCC rules
5 
#
6 
# Version   Who      Date       Description
7 
#           APY      06/02/00   Created (original from DGJPP)
8 
#                    25/06/00   __SOURCE__
9 
#                               updated gcc_depend
10 
#           GH       13/11/00   Initial GCC release
11 
#           APY      18/05/04   Updated mkdepend interface
12 
#                               Cross Target support
13 
#                               General cleanup, removed xargs usage
14 
###############################################################################
15 
 
16 
###############################################################################
17 
#..     Remove "undef" warnings
18 
#
19 
cc_includes	+=
20 
cc_defines	+=
21 
cxx_includes	+=
22 
cxx_defines	+=
23 
as_includes	+=
24 
as_defines	+=
25 
 
26 
 
27 
###############################################################################
28 
#..     Toolset defaults
383 dpurdie 29 
#           mkdepend is a lot faster that gcc
227 dpurdie 30 
#
383 dpurdie 31 
USE_GCCDEPEND	= 0
227 dpurdie 32 
 
33 
###############################################################################
34 
#..     Parse user options
35 
#       Global options already parsed
36 
#       These options extend the global options
37 
#
38 
ifdef OPTIONS
39 
 
40 
ifneq "$(findstring purify,$(OPTIONS))" ""	# Enable purify
41 
CC_PRE		+= purify
42 
else
43 
ifneq "$(findstring purecov,$(OPTIONS))" ""	# Enable pure coverage
44 
CC_PRE		+= purecov
45 
endif
46 
endif
47 
 
48 
ifneq "$(findstring metrics,$(OPTIONS))" ""	# Build source metrixs
49 
USE_METRICS	= 1
50 
endif
51 
 
52 
ifneq "$(findstring checker,$(OPTIONS))" ""
53 
USE_CHECKER	= 1
54 
endif
55 
 
56 
ifneq "$(findstring profile,$(OPTIONS))" ""
57 
USE_PROFILE	= 1
58 
endif
59 
 
60 
ifneq "$(findstring ccdepend,$(OPTIONS))" ""	# Build depends using gcc
61 
USE_GCCDEPEND	= 1
62 
endif
63 
ifneq "$(findstring gccdepend,$(OPTIONS))" ""
64 
USE_GCCDEPEND	= 1
65 
endif
66 
ifneq "$(findstring mkdepend,$(OPTIONS))" ""
67 
USE_GCCDEPEND	= 0
68 
endif
69 
 
70 
ifneq "$(findstring wall,$(OPTIONS))" ""	# Enable all warnings
71 
USE_WALL	= 1
72 
endif
73 
 
74 
endif	#OPTIONS
75 
 
76 
###############################################################################
377 dpurdie 77 
#..     C and C++ Compiler warning filter
78 
#
79 
cc_filter_name  := warnings.gcc
80 
cc_filter	:= "$(notdir $(wildcard $(GBE_ROOT)/$(cc_filter_name)))"
81 
 
82 
ifeq ($(strip $(cc_filter)),"$(cc_filter_name)")
83 
    cc_filter      := $(GBE_ROOT)/$(cc_filter_name)
84 
else
85 
    cc_filter  :=
86 
endif
87 
 
88 
ifdef cc_filter
89 
cc_redirect_stderr = 1
90 
cc_error_filter = $(awk) -f $(cc_filter)
91 
endif
92 
 
93 
###############################################################################
227 dpurdie 94 
#..     C Compiler definition
95 
#
96 
 
97 
	# Standard defines
98 
	#
99 
	#..
100 
ifdef GCC_DEFINES
101 
gcc_defines	+= $(GCC_DEFINES)
102 
endif
103 
 
104 
gcc_defines	+= -D_REENTRANT
105 
 
106 
ifeq "$(DEBUG)" "1"
373 dpurdie 107 
gcc_defines	+= -DDEBUG
227 dpurdie 108 
else
109 
gcc_defines	+=
110 
endif
111 
 
112 
ifdef ALVL
113 
gcc_defines	+= -DALVL=$(ALVL)
114 
endif
115 
 
116 
ifdef DLVL
117 
gcc_defines	+= -DDLVL=$(DLVL)
118 
endif
119 
 
120 
gcc_defines	+= -D__SOURCE__=\"$(notdir $<)\"
121 
 
122 
	# Standard flags
123 
	#
124 
	#  -Wall implies:
125 
	#       -Wimplicit, -Wreturn-type, -Wunused, -Wswitch
126 
	#       -Wformat, -Wchar-subscripts, -Wparentheses
127 
	#       -Wmissing-braces
128 
	#..
129 
gcc_flags	+= -c
130 
gcc_flags	+= -Wall
131 
ifdef USE_WALL
132 
#gcc_flags	+= -Wuninitialized		# only makes sense with `-O'
133 
gcc_flags	+= -Wwrite-strings
134 
gcc_flags	+= -Wcast-qual
135 
gcc_flags	+= -Wbad-function-cast
136 
gcc_flags	+= -Wpointer-arith
137 
gcc_flags	+= -Wstrict-prototypes
138 
gcc_flags	+= -Wmissing-prototypes
139 
gcc_flags	+= -Wmissing-declarations
140 
gcc_flags	+= -Wnested-externs
141 
gcc_flags	+= -Wtraditional
142 
gcc_flags	+= -Wconversion
143 
gcc_flags	+= -Wcomment
144 
gcc_flags	+= -Wcast-align
145 
#gcc_flags	+= -Winline
146 
gcc_flags	+= -Wshadow
147 
gcc_flags	+= -Wredundant-decls
148 
gcc_flags	+= -Wid-clash-31
149 
endif
150 
 
151 
ifdef GCC_CFLAGS
152 
gcc_flags	+= $(GCC_CFLAGS)
153 
endif
154 
 
155 
ifdef FORCE_C_COMPILE
156 
endif
157 
 
158 
ifdef FORCE_CC_COMPILE
159 
endif
160 
 
161 
ifdef USE_OPTIMISE				# default for production
162 
else
163 
endif
164 
 
165 
ifdef USE_DEBUGINFO				# default for debug
373 dpurdie 166 
gcc_flags	+= -g3 -ggdb
227 dpurdie 167 
else
373 dpurdie 168 
gcc_flags	+= -g3 -ggdb
227 dpurdie 169 
endif
170 
 
171 
ifeq "$(DEBUG)" "1"				# debug/prod specific
172 
ifdef GCC_CFLAGSD
173 
vc_flags	+= $(GCC_CFLAGSD)
174 
endif
175 
else
176 
ifdef GCC_CFLAGSP
177 
vc_flags	+= $(GCC_CFLAGSP)
178 
endif
179 
endif
180 
 
181 
ifdef USE_STRICT_ANSI				# default NO
182 
gcc_flags	+= -ansi
183 
endif
184 
 
185 
ifdef USE_PROFILE				# default NO
186 
gcc_flags	+= -pg
187 
endif
188 
 
189 
ifdef LEAVETMP					# default NO
190 
gcc_flags	+= -save-temps
191 
endif
192 
 
193 
SHCFLAGS	+= -fpic
194 
SHCXXFLAGS	+= -fpic
195 
 
196 
	# Standard includes
197 
	#
198 
	#..
199 
gcc_includes	+=
200 
 
201 
ifdef GCC_INCLUDES
202 
gcc_includes	+= $(GCC_INCLUDES)
203 
endif
204 
 
205 
	# Command
206 
	#
207 
	#..
208 
ifdef USE_CHECKER
209 
cc		= @checkergcc
210 
else
211 
cc		= $(CC_PRE) $(GCC_CC)
212 
endif
213 
cc_init		=
214 
cc_o_switch	= -o $@
215 
cc_source	= $<
216 
cc_flags	= \
217 
		$(patsubst %,%,$(CFLAGS)) \
218 
		$(patsubst %,%,$(gcc_flags)) \
219 
		$(patsubst %,%,$(gcc_defines)) \
220 
		$(patsubst %,-D%,$(cc_defines)) \
221 
		$(patsubst %,-I %,$(INCDIRS)) \
222 
		$(patsubst %,-I %,$(cc_includes)) \
223 
		$(patsubst %,-I %,$(gcc_includes))
224 
cc_term		=
225 
 
226 
define cc_pre
227 
	@echo [$<] compiling..
228 
endef
229 
 
230 
ifdef USE_METRICS
231 
define cc_post
232 
	$(cc) -E $(cc_flags) $(cc_source) | mcstrip | cyclo -c > $(basename $@).met
233 
endef
234 
else
235 
define cc_post
236 
endef
237 
endif
238 
 
239 
###############################################################################
240 
#..     C/C++ dependencies
241 
#
242 
 
243 
	# Additional defines
244 
	#
245 
	#..
246 
gcc_depend	+=
247 
 
248 
ifeq ($(USE_GCCDEPEND),0)
249 
	# Build GCC predefs and default include paths
250 
	#..
251 
GCC_MACHINE	=$(shell $(GCC_CC) -dumpmachine)
252 
GCC_VERSION	=$(shell $(GCC_CC) -dumpversion)
253 
 
254 
gcc_depend	+= -D__GNUC__=$(word 1,$(subst .,$(space),$(GCC_VERSION)))
255 
gcc_depend	+= -D__GNUC_MINOR__=$(word 2,$(subst .,$(space),$(GCC_VERSION)))
256 
gcc_depend	+= -D__STDC__ -D__STDC_HOSTED__
257 
 
258 
ifdef GCC_TARGET
259 
ifneq "$(findstring Linux,$(GCC_TARGET))" ""
260 
gcc_depend	+= -Dunix -D__unix -D__unix__
261 
gcc_depend	+= -Dlinux -D__linux -D__linux__
262 
endif
263 
ifneq "$(findstring i386,$(GCC_TARGET))" ""
264 
gcc_depend	+= -Di386 -D__i386 -D__i386__
265 
endif
266 
ifneq "$(findstring armv4,$(GCC_TARGET))" ""
267 
gcc_depend	+= -Darm -D__arm -D__arm__
268 
gcc_depend	+= -D__ARM_ARCH__=4
269 
endif
270 
ifneq "$(findstring armv9,$(GCC_TARGET))" ""
271 
gcc_depend	+= -Darm -D__arm -D__arm__
272 
gcc_depend	+= -D__ARM_ARCH__=9
273 
endif
274 
 
275 
endif
276 
 
277 
gcc_depend	+= -Y $(GCC_ROOT)/lib/gcc-lib/$(GCC_MACHINE)/$(GCC_VERSION)/include
278 
gcc_depend	+= -Y $(GCC_ROOT)/include
279 
endif
280 
 
281 
ifdef GCC_DEPEND
282 
gcc_depend	+= $(GCC_DEPEND)
283 
endif
284 
 
285 
	# Command
286 
	#
287 
	#..
288 
ifeq ($(USE_GCCDEPEND),0)
367 dpurdie 289 
ccdep		= $(XX_PRE) $(GBE_BIN)/mkdepend
227 dpurdie 290 
ccdep_init	=
291 
ccdep_o_switch	= -f -
292 
ccdep_flags	= -MM -b -We -p '$$(OBJDIR)/' -o ".$(o)"
293 
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $@ 2> $(OBJDIR)/depend.err
294 
else
295 
ccdep		= -$(XX_PRE) $(GCC_CC)
296 
ccdep_init	=
297 
ccdep_o_switch	=
298 
ccdep_flags	= -E -MM -MG
299 
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $(subst /,/,$@).tmp 2> $(OBJDIR)/depend.err
300 
endif
301 
 
302 
ccdep_flags	+= \
303 
		$(patsubst %,%,$(CFLAGS)) \
304 
		$(patsubst %,%,$(gcc_depend)) \
305 
		$(patsubst %,%,$(gcc_defines)) \
306 
		$(patsubst %,-D%,$(cc_defines)) \
307 
		$(patsubst %,-I %,$(INCDIRS)) \
308 
		$(patsubst %,-I %,$(cc_includes))
309 
 
310 
ifeq ($(USE_GCCDEPEND),0)
311 
ccdep_flags	+= \
312 
		$(patsubst %,-Y %,$(gcc_includes))
313 
endif
314 
 
315 
	#
316 
	#   Parse the depend output:
317 
	#
318 
	#   s/^.*/\(.*\.${o}\:\)/$(OBJDIR)/\1/g
319 
	#        replace all object rules which contain / seperated
320 
	#        subdirs with a stripped prefixed object name.
321 
	#
322 
	#        eg. subdir/dir/object.o:        $(OBJDIR)/object.o
323 
	#
324 
	#   s/^\([^/].*\.${o}\:\)/$(OBJDIR)/\1/g
325 
	#        prefix all object rules without subdirs.
326 
	#
327 
	#        eg. object.o:                   $(OBJDIR)/object.o
328 
	#..
329 
 
330 
ccdep_pre	=
331 
 
332 
ifneq ($(USE_GCCDEPEND),0)
333 
ccdep_sed	= \
334 
	-sed -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
335 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
336 
		$(subst /,/,$@).tmp > $@ 2> $(OBJDIR)/depend.err;
337 
ifdef SHNAMES
338 
ccdep_sedsh	= \
339 
	sed  -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
340 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
341 
		$(subst /,/,$@).tmp >> $@ 2>> $(OBJDIR)/depend.err;
342 
ccdep_sed	+= \
343 
		$(foreach shname,$(SHNAMES),$(ccdep_sedsh))
344 
endif
345 
 
346 
ifndef LEAVETMP
347 
define ccdep_post
348 
	@$(ccdep_sed)
349 
	@rm $(subst /,/,$@).tmp
350 
endef
351 
else
352 
define ccdep_post
353 
	@$(ccdep_sed)
354 
endef
355 
endif
356 
else
357 
ccdep_post	=
358 
endif
359 
 
360 
#..     C++ Compiler definition
361 
#
362 
ifdef USE_CHECKER
363 
cxx		= @checkergcc
364 
else
365 
cxx		= $(CC_PRE) $(GCC_CC)
366 
endif
367 
cxx_init	=
368 
cxx_o_switch	= -o $@
369 
cxx_source	= $<
370 
cxx_flags	= \
371 
		$(patsubst %,%,$(CXXFLAGS)) \
372 
		$(patsubst %,%,$(gcc_flags)) \
373 
		$(patsubst %,%,$(gcc_defines)) \
374 
		$(patsubst %,-d%,$(cxx_defines)) \
375 
		$(patsubst %,-I %,$(INCDIRS)) \
376 
		$(patsubst %,-I %,$(cxx_includes)) \
377 
		$(patsubst %,-I %,$(gcc_includes))
378 
 
379 
define cxx_pre
380 
	@echo [$<] compiling..
381 
endef
382 
 
383 
define cxx_post
384 
endef
385 
 
386 
###############################################################################
387 
#..     Assembler definition
388 
#
389 
 
390 
#..     Assembler (GCC)
391 
#
392 
as		= $(CC_PRE) $(GCC_CC)
393 
as_init		=
394 
as_i_switch	= -I$(space)
395 
as_o_switch	=
396 
as_object	= -o $@
397 
as_source	= $<
398 
 
399 
gas_flags	= -Wall -x assembler-with-cpp -c
400 
ifeq "$(DEBUG)" "1"
401 
gas_flags	+= -g -DDEBUG
402 
endif
403 
ifdef DLVL
404 
gas_flags	+= -DDLVL=$(DLVL)
405 
endif
406 
ifdef ALVL
407 
gas_flags	+= -DALVL=$(ALVL)
408 
endif
409 
as_defines	:= $(addprefix -D,$(as_defines))
410 
as_defines	+= $(gas_flags)
411 
 
412 
as_flags	= \
251 dpurdie 413 
		$(ASFLAGS) \
414 
		$(as_defines) \
227 dpurdie 415 
		$(patsubst %,$(as_i_switch)%,$(INCDIRS)) \
416 
		$(patsubst %,$(as_i_switch)%,$(as_includes)) \
417 
		$(as_object)
418 
 
419 
define as_pre
420 
	@echo [$<] compiling..
421 
endef
422 
 
423 
define as_post
424 
endef
425 
 
426 
 
427 
###############################################################################
428 
#..     Archiver definition
429 
#
430 
 
431 
#..     Archiver
432 
#
433 
ar		= $(XX_PRE) $(GCC_AR)
434 
ar_o_switch	=
435 
ar_flags	= -scvr $@ \
436 
		$(patsubst %,%,$^)
437 
 
438 
define ar_pre
439 
endef
440 
 
441 
define ar_post
442 
endef
443 
 
444 
#..     Archive Merge
445 
#
446 
armerge		= $(XX_PRE) $(GBE_TOOLS)/armerge
447 
armerge_init	=
261 dpurdie 448 
armerge_flags	= -d $(MLIBDIR) -t unix -a $(GCC_AR)
227 dpurdie 449 
armerge_o_switch= $@ $^
450 
 
451 
armerge_pre	= -$(rm) -f $@
452 
armerge_post	=
453 
 
454 
###############################################################################
455 
#..     Linker definition
456 
#
457 
 
458 
#..     Linked (shared library support)
459 
#
460 
#       The following are detailed within the context of TARGET definition:
461 
#
462 
#       SHNAME  Defines the shared library name (eg lib.so.1.1)
463 
#       SHBASE  Defines the base library name (eg lib.so)
464 
#
465 
shld		= $(CC_PRE) $(GCC_CC)
466 
shld_o_switch	= -o $@
467 
 
468 
shld_flags	+= -shared -fPIC
469 
shld_flags	+= -Xlinker -h'$(SHNAME)'
470 
shld_flags	+= -Xlinker -Map '$(LIBDIR)/$(SHBASE).map'
471 
 
472 
ifeq "$(DEBUG)" "1"
473 
shld_flags	+= -g
474 
endif
475 
shld_flags	+= \
476 
		$(patsubst %,%,$(LDFLAGS)) \
477 
		$(patsubst %,-L%,$(LIBDIRS)) \
478 
		$($(notdir $(SHBASE))_shld)
479 
 
480 
define shld_pre
481 
	@echo [$@] Linking shared library..; \
482 
	$(touch) $(LIBDIR)/$(SHBASE).map
483 
endef
484 
 
485 
define shld_post
486 
endef
487 
 
488 
define SHLDDEPEND
341 dpurdie 489 
	$(AA_PRE)export GCC_LIB; \
227 dpurdie 490 
		GCC_LIB="$(subst $(space),;,$(LIBDIRS))"; \
335 dpurdie 491 
	$(cmdfile) -wo$@ "@(vlibgcc,$(GCC_CC))$($(DPLIST))"
227 dpurdie 492 
endef
493 
 
494 
 
495 
#..     Linker
496 
#
497 
ifdef USE_CHECKER
498 
ld		= @checkergcc
499 
else
500 
ld		= $(CC_PRE) $(GCC_CC)
501 
endif
502 
ld_init		=
503 
ld_o_switch	= -o $@
504 
 
505 
ld_flags	+= -Xlinker -Map '$(basename $@).map'
506 
 
507 
ifeq "$(DEBUG)" "1"
508 
ld_flags	+= -g
509 
endif
510 
ifdef USE_PROFILE
511 
ld_flags	+= -pg
512 
endif
513 
 
514 
ld_flags	+= \
515 
		$(patsubst %,%,$(LDFLAGS)) \
516 
		$(patsubst %,-L%,$(LIBDIRS)) \
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 
	$(AA_PRE)export GCC_LIB; \
227 dpurdie 529 
		GCC_LIB="$(subst $(space),;,$(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
536 
#       $1 - Full name of the ouput
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