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227 dpurdie 1 
###############################################################################
2 
# File:     TOOLSET/gcc.rul[e]
3 
# Contents: GCC rules
4 
#
5 
# Version   Who      Date       Description
6 
#           APY      06/02/00   Created (original from DGJPP)
7 
#                    25/06/00   __SOURCE__
8 
#                               updated gcc_depend
9 
#           GH       13/11/00   Initial GCC release
10 
#           APY      18/05/04   Updated mkdepend interface
11 
#                               Cross Target support
12 
#                               General cleanup, removed xargs usage
13 
###############################################################################
14 
 
15 
###############################################################################
16 
#..     Remove "undef" warnings
17 
#
18 
cc_includes	+=
19 
cc_defines	+=
20 
cxx_includes	+=
21 
cxx_defines	+=
22 
as_includes	+=
23 
as_defines	+=
24 
 
25 
 
26 
###############################################################################
27 
#..     Toolset defaults
383 dpurdie 28 
#           mkdepend is a lot faster that gcc
227 dpurdie 29 
#
383 dpurdie 30 
USE_GCCDEPEND	= 0
227 dpurdie 31 
 
32 
###############################################################################
33 
#..     Parse user options
34 
#       Global options already parsed
35 
#       These options extend the global options
36 
#
37 
ifdef OPTIONS
38 
 
39 
ifneq "$(findstring purify,$(OPTIONS))" ""	# Enable purify
40 
CC_PRE		+= purify
41 
else
42 
ifneq "$(findstring purecov,$(OPTIONS))" ""	# Enable pure coverage
43 
CC_PRE		+= purecov
44 
endif
45 
endif
46 
 
47 
ifneq "$(findstring metrics,$(OPTIONS))" ""	# Build source metrixs
48 
USE_METRICS	= 1
49 
endif
50 
 
51 
ifneq "$(findstring checker,$(OPTIONS))" ""
52 
USE_CHECKER	= 1
53 
endif
54 
 
55 
ifneq "$(findstring profile,$(OPTIONS))" ""
56 
USE_PROFILE	= 1
57 
endif
58 
 
59 
ifneq "$(findstring ccdepend,$(OPTIONS))" ""	# Build depends using gcc
60 
USE_GCCDEPEND	= 1
61 
endif
62 
ifneq "$(findstring gccdepend,$(OPTIONS))" ""
63 
USE_GCCDEPEND	= 1
64 
endif
65 
ifneq "$(findstring mkdepend,$(OPTIONS))" ""
66 
USE_GCCDEPEND	= 0
67 
endif
68 
 
69 
ifneq "$(findstring wall,$(OPTIONS))" ""	# Enable all warnings
70 
USE_WALL	= 1
71 
endif
72 
 
73 
endif	#OPTIONS
74 
 
75 
###############################################################################
377 dpurdie 76 
#..     C and C++ Compiler warning filter
77 
#
78 
cc_filter_name  := warnings.gcc
79 
cc_filter	:= "$(notdir $(wildcard $(GBE_ROOT)/$(cc_filter_name)))"
80 
 
81 
ifeq ($(strip $(cc_filter)),"$(cc_filter_name)")
82 
    cc_filter      := $(GBE_ROOT)/$(cc_filter_name)
83 
else
84 
    cc_filter  :=
85 
endif
86 
 
87 
ifdef cc_filter
88 
cc_redirect_stderr = 1
89 
cc_error_filter = $(awk) -f $(cc_filter)
90 
endif
91 
 
92 
###############################################################################
227 dpurdie 93 
#..     C Compiler definition
94 
#
95 
 
96 
	# Standard defines
97 
	#
98 
	#..
99 
ifdef GCC_DEFINES
100 
gcc_defines	+= $(GCC_DEFINES)
101 
endif
102 
 
103 
gcc_defines	+= -D_REENTRANT
104 
 
105 
ifeq "$(DEBUG)" "1"
373 dpurdie 106 
gcc_defines	+= -DDEBUG
227 dpurdie 107 
else
108 
gcc_defines	+=
109 
endif
110 
 
111 
ifdef ALVL
112 
gcc_defines	+= -DALVL=$(ALVL)
113 
endif
114 
 
115 
ifdef DLVL
116 
gcc_defines	+= -DDLVL=$(DLVL)
117 
endif
118 
 
119 
gcc_defines	+= -D__SOURCE__=\"$(notdir $<)\"
120 
 
121 
	# Standard flags
122 
	#
123 
	#  -Wall implies:
124 
	#       -Wimplicit, -Wreturn-type, -Wunused, -Wswitch
125 
	#       -Wformat, -Wchar-subscripts, -Wparentheses
126 
	#       -Wmissing-braces
127 
	#..
128 
gcc_flags	+= -c
129 
gcc_flags	+= -Wall
130 
ifdef USE_WALL
131 
#gcc_flags	+= -Wuninitialized		# only makes sense with `-O'
132 
gcc_flags	+= -Wwrite-strings
133 
gcc_flags	+= -Wcast-qual
134 
gcc_flags	+= -Wbad-function-cast
135 
gcc_flags	+= -Wpointer-arith
136 
gcc_flags	+= -Wstrict-prototypes
137 
gcc_flags	+= -Wmissing-prototypes
138 
gcc_flags	+= -Wmissing-declarations
139 
gcc_flags	+= -Wnested-externs
140 
gcc_flags	+= -Wtraditional
141 
gcc_flags	+= -Wconversion
142 
gcc_flags	+= -Wcomment
143 
gcc_flags	+= -Wcast-align
144 
#gcc_flags	+= -Winline
145 
gcc_flags	+= -Wshadow
146 
gcc_flags	+= -Wredundant-decls
4309 dpurdie 147 
#gcc_flags	+= -Wid-clash-31
227 dpurdie 148 
endif
149 
 
150 
ifdef GCC_CFLAGS
151 
gcc_flags	+= $(GCC_CFLAGS)
152 
endif
153 
 
154 
ifdef FORCE_C_COMPILE
155 
endif
156 
 
157 
ifdef FORCE_CC_COMPILE
158 
endif
159 
 
160 
ifdef USE_OPTIMISE				# default for production
161 
else
162 
endif
163 
 
164 
ifdef USE_DEBUGINFO				# default for debug
373 dpurdie 165 
gcc_flags	+= -g3 -ggdb
227 dpurdie 166 
else
373 dpurdie 167 
gcc_flags	+= -g3 -ggdb
227 dpurdie 168 
endif
169 
 
170 
ifeq "$(DEBUG)" "1"				# debug/prod specific
171 
ifdef GCC_CFLAGSD
4034 dpurdie 172 
gcc_flags	+= $(GCC_CFLAGSD)
227 dpurdie 173 
endif
174 
else
175 
ifdef GCC_CFLAGSP
4034 dpurdie 176 
gcc_flags	+= $(GCC_CFLAGSP)
227 dpurdie 177 
endif
178 
endif
179 
 
180 
ifdef USE_STRICT_ANSI				# default NO
181 
gcc_flags	+= -ansi
182 
endif
183 
 
184 
ifdef USE_PROFILE				# default NO
185 
gcc_flags	+= -pg
186 
endif
187 
 
188 
ifdef LEAVETMP					# default NO
189 
gcc_flags	+= -save-temps
190 
endif
191 
 
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)"
292 
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $@ 2> $(OBJDIR)/depend.err
293 
else
294 
ccdep		= -$(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 
ifneq ($(USE_GCCDEPEND),0)
332 
ccdep_sed	= \
333 
	-sed -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
334 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/\1/g' \
335 
		$(subst /,/,$@).tmp > $@ 2> $(OBJDIR)/depend.err;
336 
ifdef SHNAMES
337 
ccdep_sedsh	= \
338 
	sed  -e 's/^.*\/\(.*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
339 
	     -e 's/^\([^/]*\.${o}\:\)/\$$\(OBJDIR\)\/$(shname)\/\1/g' \
340 
		$(subst /,/,$@).tmp >> $@ 2>> $(OBJDIR)/depend.err;
341 
ccdep_sed	+= \
342 
		$(foreach shname,$(SHNAMES),$(ccdep_sedsh))
343 
endif
344 
 
345 
ifndef LEAVETMP
346 
define ccdep_post
347 
	@$(ccdep_sed)
348 
	@rm $(subst /,/,$@).tmp
349 
endef
350 
else
351 
define ccdep_post
352 
	@$(ccdep_sed)
353 
endef
354 
endif
355 
else
356 
ccdep_post	=
357 
endif
358 
 
359 
#..     C++ Compiler definition
360 
#
361 
ifdef USE_CHECKER
362 
cxx		= @checkergcc
363 
else
364 
cxx		= $(CC_PRE) $(GCC_CC)
365 
endif
366 
cxx_init	=
367 
cxx_o_switch	= -o $@
368 
cxx_source	= $<
369 
cxx_flags	= \
370 
		$(patsubst %,%,$(CXXFLAGS)) \
371 
		$(patsubst %,%,$(gcc_flags)) \
372 
		$(patsubst %,%,$(gcc_defines)) \
373 
		$(patsubst %,-d%,$(cxx_defines)) \
374 
		$(patsubst %,-I %,$(INCDIRS)) \
375 
		$(patsubst %,-I %,$(cxx_includes)) \
376 
		$(patsubst %,-I %,$(gcc_includes))
377 
 
378 
define cxx_pre
379 
	@echo [$<] compiling..
380 
endef
381 
 
382 
define cxx_post
383 
endef
384 
 
385 
###############################################################################
386 
#..     Assembler definition
387 
#
388 
 
389 
#..     Assembler (GCC)
390 
#
391 
as		= $(CC_PRE) $(GCC_CC)
392 
as_init		=
393 
as_i_switch	= -I$(space)
394 
as_o_switch	=
395 
as_object	= -o $@
396 
as_source	= $<
397 
 
398 
gas_flags	= -Wall -x assembler-with-cpp -c
399 
ifeq "$(DEBUG)" "1"
400 
gas_flags	+= -g -DDEBUG
401 
endif
402 
ifdef DLVL
403 
gas_flags	+= -DDLVL=$(DLVL)
404 
endif
405 
ifdef ALVL
406 
gas_flags	+= -DALVL=$(ALVL)
407 
endif
408 
as_defines	:= $(addprefix -D,$(as_defines))
409 
as_defines	+= $(gas_flags)
410 
 
411 
as_flags	= \
251 dpurdie 412 
		$(ASFLAGS) \
413 
		$(as_defines) \
227 dpurdie 414 
		$(patsubst %,$(as_i_switch)%,$(INCDIRS)) \
415 
		$(patsubst %,$(as_i_switch)%,$(as_includes)) \
416 
		$(as_object)
417 
 
418 
define as_pre
419 
	@echo [$<] compiling..
420 
endef
421 
 
422 
define as_post
423 
endef
424 
 
425 
 
426 
###############################################################################
427 
#..     Archiver definition
428 
#
429 
 
430 
#..     Archiver
431 
#
432 
ar		= $(XX_PRE) $(GCC_AR)
433 
ar_o_switch	=
4034 dpurdie 434 
ar_flags	= -scr $@ \
227 dpurdie 435 
		$(patsubst %,%,$^)
436 
 
437 
define ar_pre
4034 dpurdie 438 
	@echo [$@] Create archive..
227 dpurdie 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
4034 dpurdie 469 
shld_flags	+= -Wl,-z,defs,--warn-unresolved-symbols
227 dpurdie 470 
shld_flags	+= -Xlinker -h'$(SHNAME)'
471 
shld_flags	+= -Xlinker -Map '$(LIBDIR)/$(SHBASE).map'
472 
 
473 
ifeq "$(DEBUG)" "1"
474 
shld_flags	+= -g
475 
endif
476 
shld_flags	+= \
477 
		$(patsubst %,%,$(LDFLAGS)) \
4518 dpurdie 478 
		$(patsubst %,-L%,$(wildcard $(LIBDIRS))) \
227 dpurdie 479 
		$($(notdir $(SHBASE))_shld)
480 
 
481 
define shld_pre
482 
	@echo [$@] Linking shared library..; \
483 
	$(touch) $(LIBDIR)/$(SHBASE).map
484 
endef
485 
 
486 
define shld_post
487 
endef
488 
 
489 
define SHLDDEPEND
341 dpurdie 490 
	$(AA_PRE)export GCC_LIB; \
4518 dpurdie 491 
		GCC_LIB="$(subst $(space),;,$(wildcard $(LIBDIRS)))"; \
335 dpurdie 492 
	$(cmdfile) -wo$@ "@(vlibgcc,$(GCC_CC))$($(DPLIST))"
227 dpurdie 493 
endef
494 
 
495 
 
496 
#..     Linker
497 
#
498 
ifdef USE_CHECKER
499 
ld		= @checkergcc
500 
else
501 
ld		= $(CC_PRE) $(GCC_CC)
502 
endif
503 
ld_init		=
504 
ld_o_switch	= -o $@
505 
 
506 
ld_flags	+= -Xlinker -Map '$(basename $@).map'
507 
 
508 
ifeq "$(DEBUG)" "1"
509 
ld_flags	+= -g
510 
endif
511 
ifdef USE_PROFILE
512 
ld_flags	+= -pg
513 
endif
514 
 
515 
ld_flags	+= \
516 
		$(patsubst %,%,$(LDFLAGS)) \
4518 dpurdie 517 
		$(patsubst %,-L%,$(wildcard $(LIBDIRS))) \
518 
		$(patsubst %,-Xlinker -rpath-link %,$(wildcard $(LIBDIRS))) \
227 dpurdie 519 
		$($(notdir $(basename $@))_ld)
520 
 
521 
define ld_pre
522 
	@echo [$@] Linking..; \
523 
	$(touch) $(basename $@).map
524 
endef
525 
 
526 
define ld_post
527 
endef
528 
 
529 
define LDDEPEND
341 dpurdie 530 
	$(AA_PRE)export GCC_LIB; \
4518 dpurdie 531 
		GCC_LIB="$(subst $(space),;,$(wildcard $(LIBDIRS)))"; \
335 dpurdie 532 
	$(cmdfile) -wo$@ "@(vlibgcc,$(GCC_CC))$($(DPLIST))"
227 dpurdie 533 
endef
534 
 
373 dpurdie 535 
 
227 dpurdie 536 
#
373 dpurdie 537 
#   LDSTRIP
538 
#       $1 - Full name of the ouput
539 
#       $2 - Full name of debug file
540 
define LDSTRIP
541 
    $(GCC_OBJCOPY) --only-keep-debug $1 $2 || rm -f $1 $2
542 
    $(GCC_OBJCOPY) --strip-debug $1 || rm -f $1 $2
543 
    $(GCC_OBJCOPY) --add-gnu-debuglink=$2 $1 || rm -f $1 $2
544 
 
545 
endef