3 # Copyright (C) 2005, 2006, 2009, 2010, 2011 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 3 of the License, or (at your option)
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
17 # You should have received a copy of the GNU General Public License along
18 # with GCC; see the file COPYING3. If not see
19 # <http://www.gnu.org/licenses/>.
22 libgcc_topdir = @libgcc_topdir@
23 host_subdir = @host_subdir@
25 gcc_srcdir = $(libgcc_topdir)/gcc
26 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
32 exec_prefix = @exec_prefix@
34 shlib_slibdir = @slibdir@
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@
45 target_noncanonical = @target_noncanonical@
47 # List of extra object files that should be compiled for this target machine.
48 # The rules for compiling them should be in the t-* file for the machine.
49 EXTRA_PARTS = @extra_parts@
51 # Multilib support variables.
60 INSTALL_PROGRAM = @INSTALL_PROGRAM@
61 INSTALL_DATA = @INSTALL_DATA@
62 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
74 PWD_COMMAND = $${PWDCMD-pwd}
76 # Flags to pass to a recursive make.
79 "AR_FLAGS=$(AR_FLAGS)" \
82 "DESTDIR=$(DESTDIR)" \
83 "EXTRA_OFILES=$(EXTRA_OFILES)" \
84 "HDEFINES=$(HDEFINES)" \
85 "INSTALL=$(INSTALL)" \
86 "INSTALL_DATA=$(INSTALL_DATA)" \
87 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
88 "LDFLAGS=$(LDFLAGS)" \
89 "LOADLIBES=$(LOADLIBES)" \
93 "exec_prefix=$(exec_prefix)" \
95 "libsubdir=$(libsubdir)" \
98 # Dependencies for "all" are set later in the file.
100 # Now that we have built all the objects, we need to copy
101 # them back to the GCC directory. Too many things (other
102 # in-tree libraries, and DejaGNU) know about the layout
103 # of the build tree, for now.
104 $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
105 slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
109 # If this is the top-level multilib, build all the other
111 @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
113 .PHONY: check installcheck
120 -rm -f config.h stamp-h stmp-ldirs libgcc.map
124 -rm -f libunwind$(SHLIB_EXT)
126 @$(MULTICLEAN) multi-clean DO=clean
128 @$(MULTICLEAN) multi-clean DO=distclean
129 -rm -f *~ Makefile config.cache config.status multilib.out
131 maintainer-clean realclean: distclean
133 Makefile: $(srcdir)/Makefile.in config.status
134 CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
136 # Depending on Makefile makes sure that config.status has been re-run
137 # if needed. This prevents problems with parallel builds.
138 config.h: stamp-h ; @true
139 stamp-h: $(srcdir)/config.in config.status Makefile
140 CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
142 config.status: $(srcdir)/configure $(srcdir)/config.host
143 $(SHELL) ./config.status --recheck
147 $(srcdir)/../config/enable.m4 \
148 $(srcdir)/../config/tls.m4 \
149 $(srcdir)/../config/acx.m4 \
150 $(srcdir)/../config/no-executables.m4 \
151 $(srcdir)/../config/override.m4 \
152 $(srcdir)/../config/dfp.m4 \
154 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
155 cd $(srcdir) && $(AUTOCONF)
157 include $(gcc_objdir)/libgcc.mvars
159 # Flags to pass to recursive makes.
161 AR_FOR_TARGET = $(AR)
162 AR_FLAGS_FOR_TARGET =
163 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
164 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
166 GCC_FOR_TARGET = $(CC)
168 LIPO_FOR_TARGET = $(LIPO)
169 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
171 NM_FOR_TARGET = $(NM)
172 RANLIB_FOR_TARGET = $(RANLIB)
174 STRIP_FOR_TARGET = $(STRIP)
176 # Directory in which the compiler finds libraries etc.
177 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
178 # Used to install the shared libgcc.
180 # Maybe used for DLLs on Windows targets.
181 toolexecdir = @toolexecdir@
182 toolexeclibdir = @toolexeclibdir@
185 export AR_CREATE_FOR_TARGET
186 export AR_FLAGS_FOR_TARGET
187 export AR_EXTRACT_FOR_TARGET
190 export GCC_FOR_TARGET
194 export LIBGCC2_CFLAGS
195 export LIPO_FOR_TARGET
198 export STRIP_FOR_TARGET
199 export RANLIB_FOR_TARGET
203 export toolexeclibdir
205 version := $(shell $(CC) -dumpversion)
207 ifeq ($(decimal_float),yes)
208 ifeq ($(enable_decimal_float),bid)
209 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
211 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
212 -I$(srcdir)/../libdecnumber
218 # Specify the directories to be searched for header files.
219 # Both . and srcdir are used, in that order,
220 # so that *config.h will be found in the compilation
221 # subdirectory rather than in the source directory.
222 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
223 # currently being compiled, in both source trees, to be examined as well.
224 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
225 -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
226 -I$(srcdir)/../include $(DECNUMINC)
228 # Forcibly remove any profiling-related flags. There is no point
229 # in supporting profiled bootstrap in this library.
230 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
232 # CFLAGS first is not perfect; normally setting CFLAGS should override any
233 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
234 # will usually contain -g, so for the moment CFLAGS goes first. We must
235 # include CFLAGS - that's where multilib options live.
236 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
237 $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
239 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
240 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
242 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
243 inst_libdir = $(libsubdir)$(MULTISUBDIR)
244 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
246 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
247 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
248 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
249 gcc_s_compile = $(gcc_compile) -DSHARED
251 objects = $(filter %$(objext),$^)
253 # Collect any host-specific information from Makefile fragments.
255 LIBGCC_VER_GNU_PREFIX = __
256 LIBGCC_VER_SYMBOLS_PREFIX =
258 tmake_file = @tmake_file@
259 include $(srcdir)/empty.mk $(tmake_file)
261 # Only handle shared libraries if both:
262 # - the user requested them
263 # - we know how to build them
264 ifeq ($(SHLIB_LINK),)
268 ifeq ($(enable_shared),yes)
269 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
271 install-shared = install-shared
273 ifneq ($(LIBUNWIND),)
274 install-libunwind = install-libunwind
277 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
278 # the command line, and a #define to prevent libgcc2.h etc from
279 # overriding that with #pragmas.
280 vis_hide = @vis_hide@
284 # If we have -fvisibility=hidden, then we need to generate hide
285 # lists for object files implemented in assembly.
286 ASM_HIDDEN_OP = @asm_hidden_op@
290 $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
292 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
296 gen-hide-list = echo > $@
301 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
303 gen-hide-list = echo > \$@
306 ifneq ($(EXTRA_PARTS),)
307 extra-parts = libgcc-extra-parts
308 INSTALL_PARTS = $(EXTRA_PARTS)
310 ifneq ($(GCC_EXTRA_PARTS),)
311 extra-parts = gcc-extra-parts
312 INSTALL_PARTS = $(GCC_EXTRA_PARTS)
316 LIB2ADD += enable-execute-stack.c
318 # Library members defined in libgcc2.c.
319 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
320 _clear_cache _trampoline __main _absvsi2 \
321 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
322 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
323 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
324 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
325 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
326 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 _clrsbdi2
328 # The floating-point conversion routines that involve a single-word integer.
329 # XX stands for the integer mode.
330 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
332 # Likewise double-word routines.
333 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
334 $(patsubst %,_fixuns%XX,sf df xf tf) \
335 $(patsubst %,_floatXX%,sf df xf tf) \
336 $(patsubst %,_floatunXX%,sf df xf tf)
338 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
339 lib2funcs += $(subst XX,si,$(swfloatfuncs))
340 lib2funcs += $(subst XX,di,$(dwfloatfuncs))
343 # These might cause a divide overflow trap and so are compiled with
345 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
347 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
348 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
349 # in LIB2FUNCS_EXCLUDE.
350 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
351 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
352 $(LIB2_DIVMOD_FUNCS))
354 # Build "libgcc1" (assembly) components.
355 ifeq ($(enable_shared),yes)
357 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
358 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
359 $(gcc_compile) -DL$* -xassembler-with-cpp \
360 -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
361 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
363 libgcc-objects += $(lib1asmfuncs-o)
365 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
366 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
367 $(gcc_s_compile) -DL$* -xassembler-with-cpp \
368 -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
369 libgcc-s-objects += $(lib1asmfuncs-s-o)
373 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
374 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
375 $(gcc_compile) -DL$* -xassembler-with-cpp \
376 -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
377 libgcc-objects += $(lib1asmfuncs-o)
381 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
382 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
383 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
384 $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
386 libgcc-objects += $(lib2funcs-o)
388 ifeq ($(enable_shared),yes)
389 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
390 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
391 $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
392 libgcc-s-objects += $(lib2funcs-s-o)
395 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
396 # Build libgcc2.c for each conversion function, with a specific
397 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
398 # functions are built with a wordsize of 4; the TImode functions are
399 # built with the same labels, but a wordsize of 8.
401 sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
402 difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
403 tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
405 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
406 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
407 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
409 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
411 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
412 ifeq ($(enable_shared),yes)
413 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
417 # Build LIB2_DIVMOD_FUNCS.
418 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
419 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
420 $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
421 -fexceptions -fnon-call-exceptions $(vis_hide)
422 libgcc-objects += $(lib2-divmod-o)
424 ifeq ($(enable_shared),yes)
425 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
426 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
427 $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
428 -fexceptions -fnon-call-exceptions
429 libgcc-s-objects += $(lib2-divmod-s-o)
432 # $(FPBIT) et al. are pathnames relative to the GCC build
433 # directory; the supporting files are made by the GCC
435 # FIXME: Soon we will be able to move this logic into this directory.
437 ifneq ($(fpbit-in-libgcc),yes)
438 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
439 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
440 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
444 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
445 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
446 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
451 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
452 $(fpbit-o): %$(objext): $(FPBIT)
453 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
454 libgcc-objects += $(fpbit-o)
456 ifeq ($(enable_shared),yes)
457 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
458 $(fpbit-s-o): %_s$(objext): $(FPBIT)
459 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
460 libgcc-s-objects += $(fpbit-s-o)
466 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
467 $(dpbit-o): %$(objext): $(DPBIT)
468 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
469 libgcc-objects += $(dpbit-o)
471 ifeq ($(enable_shared),yes)
472 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
473 $(dpbit-s-o): %_s$(objext): $(DPBIT)
474 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
475 libgcc-s-objects += $(dpbit-s-o)
481 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
482 $(tpbit-o): %$(objext): $(TPBIT)
483 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
484 libgcc-objects += $(tpbit-o)
486 ifeq ($(enable_shared),yes)
487 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
488 $(tpbit-s-o): %_s$(objext): $(TPBIT)
489 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
490 libgcc-s-objects += $(tpbit-s-o)
494 # Build decimal floating point support.
495 ifeq ($(decimal_float),yes)
497 # If $DFP_ENABLE is set, then we want all data type sizes.
498 ifneq ($(DFP_ENABLE),)
505 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
506 ifeq ($(enable_decimal_float),bid)
507 dfp-filenames += bid_decimal_globals bid_decimal_data \
508 bid_binarydecimal bid_convert_data \
509 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
510 bid128_noncomp bid128_fma bid_round bid_from_int \
511 bid64_add bid128_add bid64_div bid128_div \
512 bid64_mul bid128_mul bid64_compare bid128_compare \
513 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
514 bid64_to_int32 bid64_to_int64 \
515 bid64_to_uint32 bid64_to_uint64 \
516 bid128_to_int32 bid128_to_int64 \
517 bid128_to_uint32 bid128_to_uint64
519 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
523 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
524 ifeq ($(enable_decimal_float),bid)
525 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
527 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
530 libgcc-objects += $(dfp-objects)
533 ifneq ($(enable_decimal_float),bid)
535 decbits-filenames += decimal32
539 decbits-filenames += decimal64
543 decbits-filenames += decimal128
547 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
548 ifeq ($(enable_decimal_float),bid)
549 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
551 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
554 libgcc-objects += $(decbits-objects)
556 # Next build individual support functions.
557 ifeq ($(enable_decimal_float),bid)
559 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
563 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
567 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
572 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
573 ifeq ($(enable_decimal_float),bid)
574 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
576 $(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
578 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
579 libgcc-objects += $(d32pbit-o)
583 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
584 ifeq ($(enable_decimal_float),bid)
585 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
587 $(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
589 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
590 libgcc-objects += $(d64pbit-o)
594 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
595 ifeq ($(enable_decimal_float),bid)
596 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
598 $(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
600 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
601 libgcc-objects += $(d128pbit-o)
606 ifeq ($(LIBGCC_SYNC),yes)
607 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
608 sync_fetch_and_$(op) \
609 sync_$(op)_and_fetch) \
610 sync_bool_compare_and_swap \
611 sync_val_compare_and_swap \
612 sync_lock_test_and_set
614 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
615 $(foreach suffix, 1 2 4 8 16, \
616 $(prefix)_$(suffix)))
618 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
619 $(libgcc-sync-size-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
620 $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
621 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
622 -DSIZE=`echo "$*" | sed 's/.*_//'` \
623 -c $(gcc_srcdir)/config/sync.c $(vis_hide)
624 libgcc-objects += $(libgcc-sync-size-funcs-o)
626 libgcc-sync-funcs := sync_synchronize
628 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
629 $(libgcc-sync-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
630 $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
632 -c $(gcc_srcdir)/config/sync.c $(vis_hide)
633 libgcc-objects += $(libgcc-sync-funcs-o)
635 ifeq ($(enable_shared),yes)
636 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
637 $(libgcc-sync-size-funcs))
638 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
639 $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
640 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
641 -DSIZE=`echo "$*" | sed 's/.*_//'` \
642 -c $(gcc_srcdir)/config/sync.c
643 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
645 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
646 $(libgcc-sync-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
647 $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
649 -c $(gcc_srcdir)/config/sync.c
650 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
654 # Build fixed-point support.
655 ifeq ($(fixed_point),yes)
657 # Generate permutations of function name and mode
658 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
659 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
660 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
662 # Generate the rules for each arithmetic function
663 iter-items := $(fixed-funcs)
664 iter-labels := $(fixed-labels)
665 iter-from := $(fixed-modes)
666 iter-to := $(fixed-modes)
667 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
669 # Add arithmetic functions to list of objects to be built
670 libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
671 ifeq ($(enable_shared),yes)
672 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
675 # Convert from or to fractional
676 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
677 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
678 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
679 fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
681 # Generate the make rules for each conversion function
682 iter-items := $(fixed-conv-funcs)
683 iter-labels := $(fixed-conv-labels)
684 iter-from := $(fixed-conv-from)
685 iter-to := $(fixed-conv-to)
686 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
688 # Add conversion functions to list of objects to be built
689 libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
690 ifeq ($(enable_shared),yes)
691 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
696 # Build LIB2ADD and LIB2ADD_ST.
697 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
698 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
701 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
702 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
705 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
708 ifeq ($(enable_shared),yes)
709 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
712 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
713 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
714 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
716 c_flags := -fexceptions
718 ifeq ($(enable_shared),yes)
720 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
721 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
723 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
727 # Not shared. LIB2ADDEH are added to libgcc.a.
729 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
731 iter-items := $(LIB2ADDEH)
738 c_flags := -fexceptions
740 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
742 ifeq ($(enable_shared),yes)
743 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
746 iter-items := $(LIBUNWIND)
749 # Build libgcov components.
750 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
751 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
752 $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
756 libgcc.a: $(libgcc-objects)
757 libgcov.a: $(libgcov-objects)
758 libunwind.a: $(libunwind-objects)
759 libgcc_eh.a: $(libgcc-eh-objects)
761 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
764 objects="$(objects)"; \
765 if test -z "$$objects"; then \
766 echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \
767 $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \
768 -o eh_dummy$(objext); \
769 objects=eh_dummy$(objext); \
771 $(AR_CREATE_FOR_TARGET) $@ $$objects
775 all: libgcc.a libgcov.a
777 ifneq ($(LIBUNWIND),)
779 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
782 ifeq ($(enable_shared),yes)
783 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
784 ifneq ($(LIBUNWIND),)
785 all: libunwind$(SHLIB_EXT)
789 ifeq ($(enable_shared),yes)
791 # Map-file generation.
792 ifneq ($(SHLIB_MKMAP),)
793 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
794 { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
795 cat $(SHLIB_MAPFILES) \
796 | sed -e '/^[ ]*#/d' \
797 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
798 | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
799 } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
801 libgcc_s$(SHLIB_EXT): libgcc.map
805 libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
806 sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' < $< > $@
808 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
809 # @multilib_flags@ is still needed because this may use
810 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
811 # @multilib_dir@ is not really necessary, but sometimes it has
812 # more uses than just a directory name.
813 $(mkinstalldirs) $(MULTIDIR)
814 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
815 @multilib_dir@,$(MULTIDIR),$(subst \
816 @shlib_objs@,$(objects),$(subst \
817 @shlib_base_name@,libgcc_s,$(subst \
818 @shlib_map_file@,$(mapfile),$(subst \
819 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
820 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
822 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
823 # @multilib_flags@ is still needed because this may use
824 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
825 # @multilib_dir@ is not really necessary, but sometimes it has
826 # more uses than just a directory name.
827 $(mkinstalldirs) $(MULTIDIR)
828 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
829 @multilib_dir@,$(MULTIDIR),$(subst \
830 @shlib_objs@,$(objects),$(subst \
831 @shlib_base_name@,libunwind,$(subst \
832 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
836 # Build the standard GCC startfiles and endfiles.
837 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
838 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
840 ifeq ($(CUSTOM_CRTSTUFF),)
841 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
842 $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
843 -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
845 crtend$(objext): $(gcc_srcdir)/crtstuff.c
846 $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
847 -c $(gcc_srcdir)/crtstuff.c -DCRT_END
849 # These are versions of crtbegin and crtend for shared libraries.
850 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
851 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
852 -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
854 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
855 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
856 -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
858 # This is a version of crtbegin for -static links.
859 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
860 $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
861 -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
864 # Build extra startfiles in the libgcc directory.
865 .PHONY: libgcc-extra-parts
866 libgcc-extra-parts: $(EXTRA_PARTS)
867 ifneq ($(GCC_EXTRA_PARTS),)
868 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
869 # If the gcc directory specifies which extra parts to
870 # build for this target, and the libgcc configuration also
871 # specifies, make sure they match. This can be removed
872 # when the gcc directory no longer holds libgcc configuration;
873 # it is useful when migrating a target.
874 @echo "Configuration mismatch!"
875 @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
876 @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
881 # Early copyback; see "all" above for the rationale. The
882 # early copy is necessary so that the gcc -B options find
883 # the right startup files when linking shared libgcc.
884 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
885 parts="$(EXTRA_PARTS)"; \
886 for file in $$parts; do \
887 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
888 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
891 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \
895 # Build extra startfiles in the gcc directory, for unconverted
897 .PHONY: gcc-extra-parts
899 # Recursively invoke make in the GCC directory to build any
900 # startfiles (for now). We must do this just once, passing
901 # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
902 # so that rules which cannot execute simultaneously are properly
903 # serialized. We indirect through T_TARGET in case any multilib
904 # directories contain an equals sign, to prevent make from
905 # interpreting any of the goals as variable assignments.
907 # We must use cd && make rather than make -C, or else the stage
908 # number will be embedded in debug information.
910 T=`$(PWD_COMMAND)`/ \
911 && cd $(gcc_objdir) \
912 && $(MAKE) GCC_FOR_TARGET="$(CC)" \
913 MULTILIB_CFLAGS="$(CFLAGS)" \
915 T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
918 # Early copyback; see "all" above for the rationale. The
919 # early copy is necessary so that the gcc -B options find
920 # the right startup files when linking shared libgcc.
921 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
922 parts="$(GCC_EXTRA_PARTS)"; \
923 for file in $$parts; do \
924 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
925 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
928 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \
934 # Documentation targets (empty).
935 .PHONY: info html dvi pdf install-info install-html install-pdf
945 # Install rules. These do not depend on "all", so that they can be invoked
946 # recursively from it.
948 $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
950 # NOTE: Maybe this should go into $(inst_libdir), but this
951 # is where the old mklibgcc.in put it.
952 $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
953 chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
954 $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
956 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
957 @shlib_base_name@,libunwind,$(subst \
958 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
961 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
963 $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
964 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
965 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
967 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
968 @shlib_base_name@,libgcc_s,$(subst \
969 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
971 install-leaf: $(install-shared) $(install-libunwind)
972 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
974 $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
975 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
976 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
977 $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
978 chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
979 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
981 parts="$(INSTALL_PARTS)"; \
982 for file in $$parts; do \
983 rm -f $(DESTDIR)$(inst_libdir)/$$file; \
984 $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \
987 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \
991 install: install-leaf
992 @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
994 install-strip: install
996 .PHONY: install install-shared install-libunwind install-strip
998 # Don't export variables to the environment, in order to not confuse
1002 include $(srcdir)/empty.mk $(wildcard *.dep)
1005 # Garbage collect in gcc/:
1006 # $(LIBGCC) settings in t-* are now unused
1008 # Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
1009 # should move into the libgcc directory.