Fix for PR39548
[official-gcc.git] / libgcc / Makefile.in
blobc9c36d5fa16f7bc68e773c0948f1d027964facb6
1 # Makefile.in
3 # Copyright (C) 2005, 2006 Free Software Foundation
5 # This file is part of GCC.
7 # GCC is free software; you can redistribute it and/or modify it under the
8 # terms of the GNU Library General Public License as published by the Free
9 # Software Foundation; either version 2 of the License, or (at your option)
10 # any later version.
12 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 # FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 # more details.
17 # You should have received a copy of the GNU General Public License along
18 # with GCC; see the file COPYING. If not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
20 # USA.
23 libgcc_topdir = @libgcc_topdir@
24 host_subdir = @host_subdir@
26 gcc_srcdir = $(libgcc_topdir)/gcc
27 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
29 srcdir = @srcdir@
31 prefix = @prefix@
33 exec_prefix = @exec_prefix@
34 libdir = @libdir@
35 shlib_slibdir = @slibdir@
37 SHELL = @SHELL@
39 enable_shared = @enable_shared@
40 decimal_float = @decimal_float@
41 enable_decimal_float = @enable_decimal_float@
42 fixed_point = @fixed_point@
44 host_noncanonical = @host_noncanonical@
46 # List of extra object files that should be compiled for this target machine.
47 # The rules for compiling them should be in the t-* file for the machine.
48 EXTRA_PARTS = @extra_parts@
50 # Multilib support variables.
51 MULTISRCTOP =
52 MULTIBUILDTOP =
53 MULTIDIRS =
54 MULTISUBDIR =
55 MULTIDO = true
56 MULTICLEAN = true
58 INSTALL = @INSTALL@
59 INSTALL_PROGRAM = @INSTALL_PROGRAM@
60 INSTALL_DATA = @INSTALL_DATA@
61 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
63 objext = .o
65 AR = @AR@
66 AR_FLAGS = rc
68 CC = @CC@
69 CFLAGS = @CFLAGS@
70 RANLIB = @RANLIB@
71 LN_S = @LN_S@
73 PWD_COMMAND = $${PWDCMD-pwd}
75 # Flags to pass to a recursive make.
76 FLAGS_TO_PASS = \
77 "AR=$(AR)" \
78 "AR_FLAGS=$(AR_FLAGS)" \
79 "CC=$(CC)" \
80 "CFLAGS=$(CFLAGS)" \
81 "DESTDIR=$(DESTDIR)" \
82 "EXTRA_OFILES=$(EXTRA_OFILES)" \
83 "HDEFINES=$(HDEFINES)" \
84 "INSTALL=$(INSTALL)" \
85 "INSTALL_DATA=$(INSTALL_DATA)" \
86 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
87 "LDFLAGS=$(LDFLAGS)" \
88 "LOADLIBES=$(LOADLIBES)" \
89 "RANLIB=$(RANLIB)" \
90 "SHELL=$(SHELL)" \
91 "prefix=$(prefix)" \
92 "exec_prefix=$(exec_prefix)" \
93 "libdir=$(libdir)" \
94 "libsubdir=$(libsubdir)" \
95 "tooldir=$(tooldir)"
97 # Dependencies for "all" are set later in the file.
98 all: all-multi
99 # Now that we have built all the objects, we need to copy
100 # them back to the GCC directory. Too many things (other
101 # in-tree libraries, and DejaGNU) know about the layout
102 # of the build tree, for now.
103 $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
104 slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
106 .PHONY: all-multi
107 all-multi:
108 # If this is the top-level multilib, build all the other
109 # multilibs.
110 @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
112 .PHONY: check installcheck
113 check:
114 installcheck:
116 .PHONY: all clean
118 clean:
119 -rm -f config.h stamp-h stmp-ldirs libgcc.map
120 -rm -f *$(objext)
121 -rm -f *.dep
122 -rm -f *.a
123 -rm -f libunwind$(SHLIB_EXT)
124 -rm -f libgcc_s*
125 @$(MULTICLEAN) multi-clean DO=clean
126 distclean: clean
127 @$(MULTICLEAN) multi-clean DO=distclean
128 -rm -f *~ Makefile config.cache config.status multilib.out
129 -rm -f config.log
130 maintainer-clean realclean: distclean
132 Makefile: $(srcdir)/Makefile.in config.status
133 CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
135 # Depending on Makefile makes sure that config.status has been re-run
136 # if needed. This prevents problems with parallel builds.
137 config.h: stamp-h ; @true
138 stamp-h: $(srcdir)/config.in config.status Makefile
139 CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
141 config.status: $(srcdir)/configure $(srcdir)/config.host
142 $(SHELL) ./config.status --recheck
144 include $(gcc_objdir)/libgcc.mvars
146 # Flags to pass to recursive makes.
148 AR_FOR_TARGET = $(AR)
149 AR_FLAGS_FOR_TARGET =
150 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
151 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
152 AWK = @AWK@
153 GCC_FOR_TARGET = $(CC)
154 LIPO = @LIPO@
155 LIPO_FOR_TARGET = $(LIPO)
156 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
157 NM = @NM@
158 NM_FOR_TARGET = $(NM)
159 RANLIB_FOR_TARGET = $(RANLIB)
160 STRIP = @STRIP@
161 STRIP_FOR_TARGET = $(STRIP)
163 # Directory in which the compiler finds libraries etc.
164 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
165 # Used to install the shared libgcc.
166 slibdir = @slibdir@
168 export AR_FOR_TARGET
169 export AR_CREATE_FOR_TARGET
170 export AR_FLAGS_FOR_TARGET
171 export AR_EXTRACT_FOR_TARGET
172 export AWK
173 export DESTDIR
174 export GCC_FOR_TARGET
175 export INCLUDES
176 export INSTALL_DATA
177 export LIB1ASMSRC
178 export LIBGCC2_CFLAGS
179 export LIPO_FOR_TARGET
180 export MACHMODE_H
181 export NM_FOR_TARGET
182 export STRIP_FOR_TARGET
183 export RANLIB_FOR_TARGET
184 export libsubdir
185 export slibdir
187 version := $(shell $(CC) -dumpversion)
189 ifeq ($(decimal_float),yes)
190 ifeq ($(enable_decimal_float),bid)
191 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
192 else
193 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
194 -I$(srcdir)/../libdecnumber
195 endif
196 else
197 DECNUMINC =
198 endif
200 # Specify the directories to be searched for header files.
201 # Both . and srcdir are used, in that order,
202 # so that *config.h will be found in the compilation
203 # subdirectory rather than in the source directory.
204 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
205 # currently being compiled, in both source trees, to be examined as well.
206 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
207 -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
208 -I$(srcdir)/../include $(DECNUMINC)
210 # Forcibly remove any profiling-related flags. There is no point
211 # in supporting profiled bootstrap in this library.
212 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
214 # CFLAGS first is not perfect; normally setting CFLAGS should override any
215 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
216 # will usually contain -g, so for the moment CFLAGS goes first. We must
217 # include CFLAGS - that's where multilib options live.
218 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
219 $(INCLUDES) @set_have_cc_tls@
221 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
222 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
224 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
225 inst_libdir = $(libsubdir)$(MULTISUBDIR)
226 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
228 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
229 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
230 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
231 gcc_s_compile = $(gcc_compile) -DSHARED
233 objects = $(filter %$(objext),$^)
235 # Collect any host-specific information from Makefile fragments.
236 tmake_file = @tmake_file@
237 include $(srcdir)/empty.mk $(tmake_file)
239 # Only handle shared libraries if both:
240 # - the user requested them
241 # - we know how to build them
242 ifeq ($(SHLIB_LINK),)
243 enable_shared := no
244 endif
246 ifeq ($(enable_shared),yes)
247 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
249 install-shared = install-shared
251 ifneq ($(LIBUNWIND),)
252 install-libunwind = install-libunwind
253 endif
255 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
256 # the command line, and a #define to prevent libgcc2.h etc from
257 # overriding that with #pragmas.
258 vis_hide = @vis_hide@
260 ifneq (,$(vis_hide))
262 # If we have -fvisibility=hidden, then we need to generate hide
263 # lists for object files implemented in assembly.
264 ASM_HIDDEN_OP = @asm_hidden_op@
266 define gen-hide-list
267 $(NM) -pg $< | \
268 $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
269 && $$3 !~ /.*@.*/ \
270 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
271 mv -f $@T $@
272 endef
273 else
274 gen-hide-list = echo > $@
275 endif
277 else
278 # Not enable_shared.
279 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
280 vis_hide =
281 gen-hide-list = echo > \$@
282 endif
284 ifneq ($(EXTRA_PARTS),)
285 extra-parts = libgcc-extra-parts
286 INSTALL_PARTS = $(EXTRA_PARTS)
287 else
288 ifneq ($(GCC_EXTRA_PARTS),)
289 extra-parts = gcc-extra-parts
290 INSTALL_PARTS = $(GCC_EXTRA_PARTS)
291 endif
292 endif
294 # Library members defined in libgcc2.c.
295 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
296 _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
297 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
298 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
299 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
300 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
301 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
302 _divtc3 _bswapsi2 _bswapdi2
304 # The floating-point conversion routines that involve a single-word integer.
305 # XX stands for the integer mode.
306 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
308 # Likewise double-word routines.
309 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
310 $(patsubst %,_fixuns%XX,sf df xf tf) \
311 $(patsubst %,_floatXX%,sf df xf tf) \
312 $(patsubst %,_floatunXX%,sf df xf tf)
314 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
315 lib2funcs += $(subst XX,si,$(swfloatfuncs))
316 lib2funcs += $(subst XX,di,$(dwfloatfuncs))
317 endif
319 # These might cause a divide overflow trap and so are compiled with
320 # unwinder info.
321 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
323 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
324 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
325 # in LIB2FUNCS_EXCLUDE.
326 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
327 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
328 $(LIB2_DIVMOD_FUNCS))
330 # Build "libgcc1" (assembly) components.
331 ifeq ($(enable_shared),yes)
333 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
334 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
335 $(gcc_compile) -DL$* -xassembler-with-cpp \
336 -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
337 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
338 $(gen-hide-list)
339 libgcc-objects += $(lib1asmfuncs-o)
341 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
342 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
343 $(gcc_s_compile) -DL$* -xassembler-with-cpp \
344 -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
345 libgcc-s-objects += $(lib1asmfuncs-s-o)
347 else
349 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
350 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
351 $(gcc_compile) -DL$* -xassembler-with-cpp \
352 -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
353 libgcc-objects += $(lib1asmfuncs-o)
355 endif
357 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
358 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
359 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
360 $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
361 $(vis_hide)
362 libgcc-objects += $(lib2funcs-o)
364 ifeq ($(enable_shared),yes)
365 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
366 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
367 $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
368 libgcc-s-objects += $(lib2funcs-s-o)
369 endif
371 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
372 # Build libgcc2.c for each conversion function, with a specific
373 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
374 # functions are built with a wordsize of 4; the TImode functions are
375 # built with the same labels, but a wordsize of 8.
377 sifuncs = $(subst XX,si,$(swfloatfuncs))
378 difuncs = $(subst XX,di,$(dwfloatfuncs))
379 tifuncs = $(subst XX,ti,$(dwfloatfuncs))
381 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
382 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
383 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
385 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
387 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
388 ifeq ($(enable_shared),yes)
389 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
390 endif
391 endif
393 # Build LIB2_DIVMOD_FUNCS.
394 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
395 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
396 $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
397 -fexceptions -fnon-call-exceptions $(vis_hide)
398 libgcc-objects += $(lib2-divmod-o)
400 ifeq ($(enable_shared),yes)
401 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
402 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
403 $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
404 -fexceptions -fnon-call-exceptions
405 libgcc-s-objects += $(lib2-divmod-s-o)
406 endif
408 # $(FPBIT) et al. are pathnames relative to the GCC build
409 # directory; the supporting files are made by the GCC
410 # Makefile.
411 # FIXME: Soon we will be able to move this logic into this directory.
413 ifneq ($(fpbit-in-libgcc),yes)
414 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
415 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
416 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
417 endif
419 ifeq ($(TPBIT),)
420 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
421 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
422 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
423 endif
425 # Build FPBIT.
426 ifneq ($(FPBIT),)
427 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
428 $(fpbit-o): %$(objext): $(FPBIT)
429 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
430 libgcc-objects += $(fpbit-o)
432 ifeq ($(enable_shared),yes)
433 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
434 $(fpbit-s-o): %_s$(objext): $(FPBIT)
435 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
436 libgcc-s-objects += $(fpbit-s-o)
437 endif
438 endif
440 # Build DPBIT.
441 ifneq ($(DPBIT),)
442 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
443 $(dpbit-o): %$(objext): $(DPBIT)
444 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
445 libgcc-objects += $(dpbit-o)
447 ifeq ($(enable_shared),yes)
448 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
449 $(dpbit-s-o): %_s$(objext): $(DPBIT)
450 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
451 libgcc-s-objects += $(dpbit-s-o)
452 endif
453 endif
455 # Build TPBIT.
456 ifneq ($(TPBIT),)
457 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
458 $(tpbit-o): %$(objext): $(TPBIT)
459 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
460 libgcc-objects += $(tpbit-o)
462 ifeq ($(enable_shared),yes)
463 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
464 $(tpbit-s-o): %_s$(objext): $(TPBIT)
465 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
466 libgcc-s-objects += $(tpbit-s-o)
467 endif
468 endif
470 # Build decimal floating point support.
471 ifeq ($(decimal_float),yes)
473 # If $DFP_ENABLE is set, then we want all data type sizes.
474 ifneq ($(DFP_ENABLE),)
475 D32PBIT = 1
476 D64PBIT = 1
477 D128PBIT = 1
478 endif
480 dfp-filenames =
481 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
482 ifeq ($(enable_decimal_float),bid)
483 dfp-filenames += bid_decimal_globals bid_decimal_data \
484 bid_binarydecimal bid_convert_data \
485 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
486 bid128_noncomp bid128_fma bid_round bid_from_int \
487 bid64_add bid128_add bid64_div bid128_div \
488 bid64_mul bid128_mul bid64_compare bid128_compare \
489 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
490 bid64_to_int32 bid64_to_int64 \
491 bid64_to_uint32 bid64_to_uint64 \
492 bid128_to_int32 bid128_to_int64 \
493 bid128_to_uint32 bid128_to_uint64
494 else
495 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
496 endif
497 endif
499 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
500 ifeq ($(enable_decimal_float),bid)
501 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
502 else
503 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
504 endif
505 $(gcc_compile) -c $<
506 libgcc-objects += $(dfp-objects)
508 decbits-filenames =
509 ifneq ($(enable_decimal_float),bid)
510 ifneq ($(D32PBIT),)
511 decbits-filenames += decimal32
512 endif
514 ifneq ($(D64PBIT),)
515 decbits-filenames += decimal64
516 endif
518 ifneq ($(D128PBIT),)
519 decbits-filenames += decimal128
520 endif
521 endif
523 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
524 ifeq ($(enable_decimal_float),bid)
525 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
526 else
527 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
528 endif
529 $(gcc_compile) -c $<
530 libgcc-objects += $(decbits-objects)
532 # Next build individual support functions.
533 ifeq ($(enable_decimal_float),bid)
534 ifneq ($(D32PBIT),)
535 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
536 endif
538 ifneq ($(D64PBIT),)
539 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
540 endif
542 ifneq ($(D128PBIT),)
543 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
544 endif
545 endif
547 ifneq ($(D32PBIT),)
548 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
549 ifeq ($(enable_decimal_float),bid)
550 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
551 else
552 $(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
553 endif
554 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
555 libgcc-objects += $(d32pbit-o)
556 endif
558 ifneq ($(D64PBIT),)
559 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
560 ifeq ($(enable_decimal_float),bid)
561 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
562 else
563 $(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
564 endif
565 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
566 libgcc-objects += $(d64pbit-o)
567 endif
569 ifneq ($(D128PBIT),)
570 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
571 ifeq ($(enable_decimal_float),bid)
572 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
573 else
574 $(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
575 endif
576 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
577 libgcc-objects += $(d128pbit-o)
578 endif
580 endif
582 ifeq ($(LIBGCC_SYNC),yes)
583 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
584 sync_fetch_and_$(op) \
585 sync_$(op)_and_fetch) \
586 sync_bool_compare_and_swap \
587 sync_val_compare_and_swap \
588 sync_lock_test_and_set
590 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
591 $(foreach suffix, 1 2 4 8 16, \
592 $(prefix)_$(suffix)))
594 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
595 $(libgcc-sync-size-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
596 $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
597 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
598 -DSIZE=`echo "$*" | sed 's/.*_//'` \
599 -c $(gcc_srcdir)/config/sync.c $(vis_hide)
600 libgcc-objects += $(libgcc-sync-size-funcs-o)
602 libgcc-sync-funcs := sync_synchronize
604 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
605 $(libgcc-sync-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
606 $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
607 -DL$* \
608 -c $(gcc_srcdir)/config/sync.c $(vis_hide)
609 libgcc-objects += $(libgcc-sync-funcs-o)
611 ifeq ($(enable_shared),yes)
612 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
613 $(libgcc-sync-size-funcs))
614 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
615 $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
616 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
617 -DSIZE=`echo "$*" | sed 's/.*_//'` \
618 -c $(gcc_srcdir)/config/sync.c
619 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
621 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
622 $(libgcc-sync-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
623 $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
624 -DL$* \
625 -c $(gcc_srcdir)/config/sync.c
626 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
627 endif
628 endif
630 # Build fixed-point support.
631 ifeq ($(fixed_point),yes)
633 # Generate permutations of function name and mode
634 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
635 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
636 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
638 # Generate the rules for each arithmetic function
639 iter-items := $(fixed-funcs)
640 iter-labels := $(fixed-labels)
641 iter-from := $(fixed-modes)
642 iter-to := $(fixed-modes)
643 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
645 # Add arithmetic functions to list of objects to be built
646 libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
647 ifeq ($(enable_shared),yes)
648 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
649 endif
651 # Convert from or to fractional
652 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
653 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
654 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
655 fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
657 # Generate the make rules for each conversion function
658 iter-items := $(fixed-conv-funcs)
659 iter-labels := $(fixed-conv-labels)
660 iter-from := $(fixed-conv-from)
661 iter-to := $(fixed-conv-to)
662 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
664 # Add conversion functions to list of objects to be built
665 libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
666 ifeq ($(enable_shared),yes)
667 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
668 endif
670 endif
672 # Build LIB2ADD and LIB2ADD_ST.
673 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
674 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
675 endif
677 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
678 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
680 c_flags :=
681 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
682 include $(iterator)
684 ifeq ($(enable_shared),yes)
685 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
686 endif
688 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
689 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
690 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
692 c_flags := -fexceptions
694 ifeq ($(enable_shared),yes)
696 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
697 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
699 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
700 include $(iterator)
702 else
703 # Not shared. LIB2ADDEH are added to libgcc.a.
705 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
707 iter-items := $(LIB2ADDEH)
708 include $(iterator)
710 endif
712 # Build LIBUNWIND.
714 c_flags := -fexceptions
716 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
718 ifeq ($(enable_shared),yes)
719 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
720 endif
722 iter-items := $(LIBUNWIND)
723 include $(iterator)
725 # Build libgcov components.
726 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
727 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
728 $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
731 # Static libraries.
732 libgcc.a: $(libgcc-objects)
733 libgcov.a: $(libgcov-objects)
734 libunwind.a: $(libunwind-objects)
735 libgcc_eh.a: $(libgcc-eh-objects)
737 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
738 -rm -f $@
740 objects="$(objects)"; \
741 if test -z "$$objects"; then \
742 echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \
743 $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \
744 -o eh_dummy$(objext); \
745 objects=eh_dummy$(objext); \
746 fi; \
747 $(AR_CREATE_FOR_TARGET) $@ $$objects
749 $(RANLIB) $@
751 all: libgcc.a libgcov.a
753 ifneq ($(LIBUNWIND),)
754 all: libunwind.a
755 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
756 endif
758 ifeq ($(enable_shared),yes)
759 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
760 ifneq ($(LIBUNWIND),)
761 all: libunwind$(SHLIB_EXT)
762 endif
763 endif
765 ifeq ($(enable_shared),yes)
767 # Map-file generation.
768 ifneq ($(SHLIB_MKMAP),)
769 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
770 { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
771 cat $(SHLIB_MAPFILES) \
772 | sed -e '/^[ ]*#/d' \
773 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
774 | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
775 } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
776 mv tmp-$@ $@
777 libgcc_s$(SHLIB_EXT): libgcc.map
778 mapfile = libgcc.map
779 endif
781 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
782 # @multilib_flags@ is still needed because this may use
783 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
784 # @multilib_dir@ is not really necessary, but sometimes it has
785 # more uses than just a directory name.
786 $(mkinstalldirs) $(MULTIDIR)
787 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
788 @multilib_dir@,$(MULTIDIR),$(subst \
789 @shlib_objs@,$(objects),$(subst \
790 @shlib_base_name@,libgcc_s,$(subst \
791 @shlib_map_file@,$(mapfile),$(subst \
792 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
793 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
795 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
796 # @multilib_flags@ is still needed because this may use
797 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
798 # @multilib_dir@ is not really necessary, but sometimes it has
799 # more uses than just a directory name.
800 $(mkinstalldirs) $(MULTIDIR)
801 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
802 @multilib_dir@,$(MULTIDIR),$(subst \
803 @shlib_objs@,$(objects),$(subst \
804 @shlib_base_name@,libunwind,$(subst \
805 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
807 endif
809 # Build the standard GCC startfiles and endfiles.
810 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
811 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
813 ifeq ($(CUSTOM_CRTSTUFF),)
814 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
815 $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
816 -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
818 crtend$(objext): $(gcc_srcdir)/crtstuff.c
819 $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
820 -c $(gcc_srcdir)/crtstuff.c -DCRT_END
822 # These are versions of crtbegin and crtend for shared libraries.
823 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
824 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
825 -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
827 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
828 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
829 -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
831 # This is a version of crtbegin for -static links.
832 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
833 $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
834 -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
835 endif
837 # Build extra startfiles in the libgcc directory.
838 .PHONY: libgcc-extra-parts
839 libgcc-extra-parts: $(EXTRA_PARTS)
840 ifneq ($(GCC_EXTRA_PARTS),)
841 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
842 # If the gcc directory specifies which extra parts to
843 # build for this target, and the libgcc configuration also
844 # specifies, make sure they match. This can be removed
845 # when the gcc directory no longer holds libgcc configuration;
846 # it is useful when migrating a target.
847 @echo "Configuration mismatch!"
848 @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
849 @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
850 exit 1
851 endif
852 endif
854 # Early copyback; see "all" above for the rationale. The
855 # early copy is necessary so that the gcc -B options find
856 # the right startup files when linking shared libgcc.
857 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
858 parts="$(EXTRA_PARTS)"; \
859 for file in $$parts; do \
860 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
861 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
862 done
864 # Build extra startfiles in the gcc directory, for unconverted
865 # targets.
866 .PHONY: gcc-extra-parts
867 gcc-extra-parts:
868 # Recursively invoke make in the GCC directory to build any
869 # startfiles (for now). We must do this just once, passing
870 # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
871 # so that rules which cannot execute simultaneously are properly
872 # serialized. We indirect through T_TARGET in case any multilib
873 # directories contain an equals sign, to prevent make from
874 # interpreting any of the goals as variable assignments.
876 # We must use cd && make rather than make -C, or else the stage
877 # number will be embedded in debug information.
879 T=`$(PWD_COMMAND)`/ \
880 && cd $(gcc_objdir) \
881 && $(MAKE) GCC_FOR_TARGET="$(CC)" \
882 MULTILIB_CFLAGS="$(CFLAGS)" \
883 T=$$T \
884 T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
885 T_TARGET
887 # Early copyback; see "all" above for the rationale. The
888 # early copy is necessary so that the gcc -B options find
889 # the right startup files when linking shared libgcc.
890 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
891 parts="$(GCC_EXTRA_PARTS)"; \
892 for file in $$parts; do \
893 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
894 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
895 done
897 all: $(extra-parts)
899 # Documentation targets (empty).
900 .PHONY: info html dvi pdf install-info install-html install-pdf
902 info:
903 install-info:
904 html:
905 install-html:
906 dvi:
907 pdf:
908 install-pdf:
910 # Install rules. These do not depend on "all", so that they can be invoked
911 # recursively from it.
912 install-libunwind:
913 $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
915 # NOTE: Maybe this should go into $(inst_libdir), but this
916 # is where the old mklibgcc.in put it.
917 $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
918 chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
919 $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
921 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
922 @shlib_base_name@,libunwind,$(subst \
923 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
925 install-shared:
926 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
928 $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
929 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
930 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
932 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
933 @shlib_base_name@,libgcc_s,$(subst \
934 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
936 install-leaf: $(install-shared) $(install-libunwind)
937 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
939 $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
940 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
941 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
942 $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
943 chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
944 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
946 parts="$(INSTALL_PARTS)"; \
947 for file in $$parts; do \
948 rm -f $(DESTDIR)$(inst_libdir)/$$file; \
949 $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \
950 done
952 install: install-leaf
953 @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
955 .PHONY: install install-shared install-libunwind
957 # Don't export variables to the environment, in order to not confuse
958 # configure.
959 .NOEXPORT:
961 include $(srcdir)/empty.mk $(wildcard *.dep)
963 # TODO QUEUE:
964 # Garbage collect in gcc/:
965 # $(LIBGCC) settings in t-* are now unused
967 # Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
968 # should move into the libgcc directory.