* tree-predcom.c (struct chain): New field init_seq.
[official-gcc.git] / libgcc / Makefile.in
bloba1a392de88d0e5c6b40cb73e59ca4f4698affa6e
1 # Makefile.in
3 # Copyright (C) 2005-2017 Free Software Foundation, Inc.
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)
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 COPYING3. If not see
19 # <http://www.gnu.org/licenses/>.
22 libgcc_topdir = @libgcc_topdir@
23 host_subdir = @host_subdir@
25 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
27 srcdir = @srcdir@
29 prefix = @prefix@
31 exec_prefix = @exec_prefix@
32 libdir = @libdir@
33 shlib_slibdir = @slibdir@
35 SHELL = @SHELL@
37 cpu_type = @cpu_type@
38 enable_shared = @enable_shared@
39 double_type_size = @double_type_size@
40 long_double_type_size = @long_double_type_size@
41 decimal_float = @decimal_float@
42 enable_vtable_verify = @enable_vtable_verify@
43 enable_decimal_float = @enable_decimal_float@
44 fixed_point = @fixed_point@
45 with_aix_soname = @with_aix_soname@
46 enable_execute_stack = @enable_execute_stack@
47 unwind_header = @unwind_header@
48 md_unwind_header = @md_unwind_header@
49 sfp_machine_header = @sfp_machine_header@
50 thread_header = @thread_header@
52 host_noncanonical = @host_noncanonical@
53 real_host_noncanonical = @real_host_noncanonical@
54 target_noncanonical = @target_noncanonical@
56 # List of extra object files that should be compiled for this target machine.
57 # The rules for compiling them should be in the t-* file for the machine.
58 EXTRA_PARTS = @extra_parts@
60 FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@
62 extra-parts = libgcc-extra-parts
64 # Multilib support variables.
65 MULTISRCTOP =
66 MULTIBUILDTOP =
67 MULTIDIRS =
68 MULTISUBDIR =
69 MULTIDO = true
70 MULTICLEAN = true
72 INSTALL = @INSTALL@
73 INSTALL_PROGRAM = @INSTALL_PROGRAM@
74 INSTALL_DATA = @INSTALL_DATA@
75 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
76 INSTALL_PARTS = $(EXTRA_PARTS)
78 objext = .o
80 AR = @AR@
81 AR_FLAGS = rc
83 CC = @CC@
84 CFLAGS = @CFLAGS@
85 RANLIB = @RANLIB@
86 LN_S = @LN_S@
88 PWD_COMMAND = $${PWDCMD-pwd}
90 # Flags to pass to a recursive make.
91 FLAGS_TO_PASS = \
92 "AR=$(AR)" \
93 "AR_FLAGS=$(AR_FLAGS)" \
94 "CC=$(CC)" \
95 "CFLAGS=$(CFLAGS)" \
96 "DESTDIR=$(DESTDIR)" \
97 "EXTRA_OFILES=$(EXTRA_OFILES)" \
98 "HDEFINES=$(HDEFINES)" \
99 "INSTALL=$(INSTALL)" \
100 "INSTALL_DATA=$(INSTALL_DATA)" \
101 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
102 "LDFLAGS=$(LDFLAGS)" \
103 "LOADLIBES=$(LOADLIBES)" \
104 "RANLIB=$(RANLIB)" \
105 "SHELL=$(SHELL)" \
106 "prefix=$(prefix)" \
107 "exec_prefix=$(exec_prefix)" \
108 "libdir=$(libdir)" \
109 "libsubdir=$(libsubdir)" \
110 "tooldir=$(tooldir)"
112 # Dependencies for "all" are set later in the file.
113 all: all-multi
114 # Now that we have built all the objects, we need to copy
115 # them back to the GCC directory. Too many things (other
116 # in-tree libraries, and DejaGNU) know about the layout
117 # of the build tree, for now.
118 $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
119 slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
121 .PHONY: all-multi
122 all-multi:
123 # If this is the top-level multilib, build all the other
124 # multilibs.
125 @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
127 .PHONY: check installcheck
128 check:
129 installcheck:
131 .PHONY: all clean
133 clean:
134 -rm -f libgcc_tm.h libgcc.map
135 -rm -f libgcc_tm.stamp stmp-ldirs
136 -rm -f *$(objext)
137 -rm -f *.dep
138 -rm -f *.a
139 -rm -f libunwind$(SHLIB_EXT)
140 -rm -f libgcc_s*
141 @$(MULTICLEAN) multi-clean DO=clean
142 distclean: clean
143 @$(MULTICLEAN) multi-clean DO=distclean
144 -rm -f auto-target.h
145 -rm -f stamp-h
146 -rm -f *~ Makefile config.cache config.status multilib.out
147 -rm -f config.log
148 maintainer-clean realclean: distclean
150 Makefile: $(srcdir)/Makefile.in config.status
151 CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
153 # Depending on Makefile makes sure that config.status has been re-run
154 # if needed. This prevents problems with parallel builds.
155 auto-target.h: stamp-h ; @true
156 stamp-h: $(srcdir)/config.in config.status Makefile
157 CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
159 config.status: $(srcdir)/configure $(srcdir)/config.host
160 $(SHELL) ./config.status --recheck
162 AUTOCONF = autoconf
163 configure_deps = \
164 $(srcdir)/../config/enable.m4 \
165 $(srcdir)/../config/tls.m4 \
166 $(srcdir)/../config/acx.m4 \
167 $(srcdir)/../config/no-executables.m4 \
168 $(srcdir)/../config/lib-ld.m4 \
169 $(srcdir)/../config/override.m4 \
170 $(srcdir)/../config/picflag.m4 \
171 $(srcdir)/../config/dfp.m4 \
172 $(srcdir)/../config/unwind_ipinfo.m4 \
173 $(srcdir)/../config/gthr.m4 \
174 $(srcdir)/../config/sjlj.m4
176 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
177 cd $(srcdir) && $(AUTOCONF)
179 include $(gcc_objdir)/libgcc.mvars
181 # Flags to pass to recursive makes.
183 AR_FOR_TARGET = $(AR)
184 AR_FLAGS_FOR_TARGET =
185 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
186 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
187 AWK = @AWK@
188 GCC_FOR_TARGET = $(CC)
189 LIPO = @LIPO@
190 LIPO_FOR_TARGET = $(LIPO)
191 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
192 NM = @NM@
193 NM_FOR_TARGET = $(NM)
194 RANLIB_FOR_TARGET = $(RANLIB)
195 STRIP = @STRIP@
196 STRIP_FOR_TARGET = $(STRIP)
198 # Directory in which the compiler finds libraries etc.
199 libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@
200 # Used to install the shared libgcc.
201 slibdir = @slibdir@
202 # Maybe used for DLLs on Windows targets.
203 toolexecdir = @toolexecdir@
204 toolexeclibdir = @toolexeclibdir@
206 export AR_FOR_TARGET
207 export AR_CREATE_FOR_TARGET
208 export AR_FLAGS_FOR_TARGET
209 export AR_EXTRACT_FOR_TARGET
210 export AWK
211 export DESTDIR
212 export GCC_FOR_TARGET
213 export INCLUDES
214 export INSTALL_DATA
215 export LIB1ASMSRC
216 export LIBGCC2_CFLAGS
217 export LIPO_FOR_TARGET
218 export MACHMODE_H
219 export NM_FOR_TARGET
220 export STRIP_FOR_TARGET
221 export RANLIB_FOR_TARGET
222 export libsubdir
223 export slibdir
224 export toolexecdir
225 export toolexeclibdir
227 version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER)
229 ifeq ($(decimal_float),yes)
230 ifeq ($(enable_decimal_float),bid)
231 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
232 else
233 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
234 -I$(srcdir)/../libdecnumber
235 endif
236 else
237 DECNUMINC =
238 endif
240 # Options to use when compiling libgcc2.a.
242 LIBGCC2_DEBUG_CFLAGS = -g
243 LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
244 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
245 -fbuilding-libgcc -fno-stack-protector \
246 $(INHIBIT_LIBC_CFLAGS)
248 # Additional options to use when compiling libgcc2.a.
249 # Some targets override this to -isystem include
250 LIBGCC2_INCLUDES =
252 # Additional target-dependent options for compiling libgcc2.a.
253 HOST_LIBGCC2_CFLAGS =
255 PICFLAG = @PICFLAG@
257 # Defined in libgcc2.c, included only in the static library.
258 LIB2FUNCS_ST = _eprintf __gcc_bcmp
260 # List of functions not to build from libgcc2.c.
261 LIB2FUNCS_EXCLUDE =
263 # List of extra C and assembler files to add to static and shared libgcc2.
264 # Assembler files should have names ending in `.S'.
265 LIB2ADD =
267 # List of extra C and assembler files to add to static libgcc2.
268 # Assembler files should have names ending in `.S'.
269 LIB2ADD_ST =
271 # Specify the directories to be searched for header files.
272 # Both . and srcdir are used, in that order,
273 # so that *config.h will be found in the compilation
274 # subdirectory rather than in the source directory.
275 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
276 # currently being compiled, in both source trees, to be examined as well.
277 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
278 -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
279 -I$(srcdir)/../include $(DECNUMINC)
281 # Forcibly remove any profiling-related flags. There is no point
282 # in supporting profiled bootstrap in this library.
283 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
285 # CFLAGS first is not perfect; normally setting CFLAGS should override any
286 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
287 # will usually contain -g, so for the moment CFLAGS goes first. We must
288 # include CFLAGS - that's where multilib options live.
289 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
290 $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
292 # Options to use when compiling crtbegin/end.
293 CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
294 $(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \
295 -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
296 -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
297 $(INHIBIT_LIBC_CFLAGS)
299 # Extra flags to use when compiling crt{begin,end}.o.
300 CRTSTUFF_T_CFLAGS =
302 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
303 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
305 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
306 inst_libdir = $(libsubdir)$(MULTISUBDIR)
307 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
309 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
310 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
311 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
312 gcc_s_compile = $(gcc_compile) -DSHARED
314 objects = $(filter %$(objext),$^)
316 # Collect any host-specific information from Makefile fragments.
318 LIBGCC_VER_GNU_PREFIX = __
319 LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
320 LIBGCC_VER_SYMBOLS_PREFIX =
322 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
323 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
324 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
325 _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
327 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
328 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
329 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
330 _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
332 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
333 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
334 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
335 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
337 # Additional sources to handle exceptions; overridden by targets as needed.
338 LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
339 $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
340 LIB2ADDEHSTATIC = $(LIB2ADDEH)
341 LIB2ADDEHSHARED = $(LIB2ADDEH)
343 # nm flags to list global symbols in libgcc object files.
344 SHLIB_NM_FLAGS = -pg
346 # Don't build libunwind by default.
347 LIBUNWIND =
348 SHLIBUNWIND_LINK =
349 SHLIBUNWIND_INSTALL =
352 # Create links to files specified in config.host.
353 LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \
354 sfp-machine.h gthr-default.h
356 enable-execute-stack.c: $(srcdir)/$(enable_execute_stack)
357 -$(LN_S) $< $@
358 unwind.h: $(srcdir)/$(unwind_header)
359 -$(LN_S) $< $@
360 md-unwind-support.h: $(srcdir)/config/$(md_unwind_header)
361 -$(LN_S) $< $@
362 sfp-machine.h: $(srcdir)/config/$(sfp_machine_header)
363 -$(LN_S) $< $@
364 gthr-default.h: $(srcdir)/$(thread_header)
365 -$(LN_S) $< $@
367 tmake_file = @tmake_file@
368 include $(srcdir)/empty.mk $(tmake_file)
370 # Collect target defines and headers from config.host.
371 libgcc_tm_defines = @tm_defines@
372 libgcc_tm_file = @tm_file@
373 libgcc_tm.h: libgcc_tm.stamp; @true
374 libgcc_tm.stamp:
375 DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
376 $(srcdir)/mkheader.sh > tmp-libgcc_tm.h
377 $(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
378 echo timestamp > $@
380 # Only handle shared libraries if both:
381 # - the user requested them
382 # - we know how to build them
383 ifeq ($(SHLIB_LINK),)
384 enable_shared := no
385 endif
387 ifeq ($(enable_shared),yes)
388 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
390 install-shared = install-shared
392 ifneq ($(LIBUNWIND),)
393 install-libunwind = install-libunwind
394 endif
395 endif
397 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
398 # the command line, and a #define to prevent libgcc2.h etc from
399 # overriding that with #pragmas.
400 vis_hide = @vis_hide@
402 ifneq (,$(vis_hide))
404 # If we have -fvisibility=hidden, then we need to generate hide
405 # lists for object files implemented in assembly.
406 ASM_HIDDEN_OP = @asm_hidden_op@
408 define gen-hide-list
409 $(NM) -pg $< | \
410 $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
411 && $$3 !~ /.*@.*/ \
412 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
413 mv -f $@T $@
414 endef
415 else
416 gen-hide-list = echo > $@
417 endif
419 ifneq ($(enable_shared),yes)
420 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
421 endif
423 LIB2ADD += enable-execute-stack.c
425 # While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
426 # instead of LIB2ADD because that's the way to be sure on some targets
427 # (e.g. *-*-darwin*) only one copy of it is linked.
428 LIB2ADDEH += $(srcdir)/emutls.c
429 LIB2ADDEHSTATIC += $(srcdir)/emutls.c
430 LIB2ADDEHSHARED += $(srcdir)/emutls.c
432 # Library members defined in libgcc2.c.
433 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
434 _clear_cache _trampoline __main _absvsi2 \
435 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
436 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
437 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
438 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
439 _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3 \
440 _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 \
441 _clrsbdi2
443 # The floating-point conversion routines that involve a single-word integer.
444 # XX stands for the integer mode.
445 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
447 # Likewise double-word routines.
448 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
449 $(patsubst %,_fixuns%XX,sf df xf tf) \
450 $(patsubst %,_floatXX%,sf df xf tf) \
451 $(patsubst %,_floatunXX%,sf df xf tf)
453 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
454 lib2funcs += $(subst XX,si,$(swfloatfuncs))
455 lib2funcs += $(subst XX,di,$(dwfloatfuncs))
456 endif
458 # These might cause a divide overflow trap and so are compiled with
459 # unwinder info.
460 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \
461 _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv
463 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
464 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
465 # in LIB2FUNCS_EXCLUDE.
466 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
467 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
468 $(LIB2_DIVMOD_FUNCS))
470 # Build "libgcc1" (assembly) components.
472 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
473 $(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis
474 $(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis
475 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
476 $(gen-hide-list)
477 libgcc-objects += $(lib1asmfuncs-o)
479 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
480 $(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC)
481 $(gcc_s_compile) -DL$* -xassembler-with-cpp -c $<
482 ifeq ($(enable_shared),yes)
484 libgcc-s-objects += $(lib1asmfuncs-s-o)
486 endif
488 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
489 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
490 $(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
491 $(gcc_compile) -DL$* -c $< $(vis_hide)
492 libgcc-objects += $(lib2funcs-o)
494 ifeq ($(enable_shared),yes)
495 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
496 $(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
497 $(gcc_s_compile) -DL$* -c $<
498 libgcc-s-objects += $(lib2funcs-s-o)
499 endif
501 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
502 # Build libgcc2.c for each conversion function, with a specific
503 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
504 # functions are built with a wordsize of 4; the TImode functions are
505 # built with the same labels, but a wordsize of 8.
507 sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
508 difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
509 tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
511 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
512 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
513 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
515 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
517 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
518 ifeq ($(enable_shared),yes)
519 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
520 endif
521 endif
523 ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
524 # Provide default flags for compiling divmod functions, if they haven't been
525 # set already by a target-specific Makefile fragment.
526 LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
527 endif
529 # Build LIB2_DIVMOD_FUNCS.
530 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
531 $(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
532 $(gcc_compile) -DL$* -c $< \
533 $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide)
534 libgcc-objects += $(lib2-divmod-o)
536 ifeq ($(enable_shared),yes)
537 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
538 $(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
539 $(gcc_s_compile) -DL$* -c $< \
540 $(LIB2_DIVMOD_EXCEPTION_FLAGS)
541 libgcc-s-objects += $(lib2-divmod-s-o)
542 endif
544 ifeq ($(TPBIT),)
545 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
546 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
547 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
548 endif
550 FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS))
551 DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS))
552 TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS))
554 fpbit-src := $(srcdir)/fp-bit.c
556 # Build FPBIT.
557 ifneq ($(FPBIT),)
558 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
559 $(fpbit-o): %$(objext): $(fpbit-src)
560 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
561 libgcc-objects += $(fpbit-o)
563 ifeq ($(enable_shared),yes)
564 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
565 $(fpbit-s-o): %_s$(objext): $(fpbit-src)
566 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $<
567 libgcc-s-objects += $(fpbit-s-o)
568 endif
569 endif
571 # Build DPBIT.
572 ifneq ($(DPBIT),)
573 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
574 $(dpbit-o): %$(objext): $(fpbit-src)
575 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
576 libgcc-objects += $(dpbit-o)
578 ifeq ($(enable_shared),yes)
579 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
580 $(dpbit-s-o): %_s$(objext): $(fpbit-src)
581 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
582 libgcc-s-objects += $(dpbit-s-o)
583 endif
584 endif
586 # Build TPBIT.
587 ifneq ($(TPBIT),)
588 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
589 $(tpbit-o): %$(objext): $(fpbit-src)
590 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
591 libgcc-objects += $(tpbit-o)
593 ifeq ($(enable_shared),yes)
594 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
595 $(tpbit-s-o): %_s$(objext): $(fpbit-src)
596 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
597 libgcc-s-objects += $(tpbit-s-o)
598 endif
599 endif
601 # Build decimal floating point support.
602 ifeq ($(decimal_float),yes)
604 # If $DFP_ENABLE is set, then we want all data type sizes.
605 ifneq ($(DFP_ENABLE),)
606 D32PBIT = 1
607 D64PBIT = 1
608 D128PBIT = 1
609 endif
611 dfp-filenames =
612 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
613 ifeq ($(enable_decimal_float),bid)
614 dfp-filenames += bid_decimal_globals bid_decimal_data \
615 bid_binarydecimal bid_convert_data \
616 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
617 bid128_noncomp bid128_fma bid_round bid_from_int \
618 bid64_add bid128_add bid64_div bid128_div \
619 bid64_mul bid128_mul bid64_compare bid128_compare \
620 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
621 bid64_to_int32 bid64_to_int64 \
622 bid64_to_uint32 bid64_to_uint64 \
623 bid128_to_int32 bid128_to_int64 \
624 bid128_to_uint32 bid128_to_uint64
625 else
626 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
627 endif
628 endif
630 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
631 ifeq ($(enable_decimal_float),bid)
632 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
633 else
634 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
635 endif
636 $(gcc_compile) -c $<
637 libgcc-objects += $(dfp-objects)
639 decbits-filenames =
640 ifneq ($(enable_decimal_float),bid)
641 ifneq ($(D32PBIT),)
642 decbits-filenames += decimal32
643 endif
645 ifneq ($(D64PBIT),)
646 decbits-filenames += decimal64
647 endif
649 ifneq ($(D128PBIT),)
650 decbits-filenames += decimal128
651 endif
652 endif
654 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
655 ifeq ($(enable_decimal_float),bid)
656 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
657 else
658 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
659 endif
660 $(gcc_compile) -c $<
661 libgcc-objects += $(decbits-objects)
663 # Next build individual support functions.
664 D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
665 _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
666 _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
667 _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
668 _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
669 _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
670 _sd_to_dd _sd_to_td _unord_sd _conv_sd
672 D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
673 _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
674 _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
675 _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
676 _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
677 _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
678 _dd_to_sd _dd_to_td _unord_dd _conv_dd
680 D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
681 _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
682 _td_to_si _td_to_di _td_to_usi _td_to_udi \
683 _si_to_td _di_to_td _usi_to_td _udi_to_td \
684 _td_to_sf _td_to_df _td_to_xf _td_to_tf \
685 _sf_to_td _df_to_td _xf_to_td _tf_to_td \
686 _td_to_sd _td_to_dd _unord_td _conv_td
688 ifeq ($(enable_decimal_float),bid)
689 ifneq ($(D32PBIT),)
690 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
691 endif
693 ifneq ($(D64PBIT),)
694 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
695 endif
697 ifneq ($(D128PBIT),)
698 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
699 endif
700 endif
702 ifneq ($(D32PBIT),)
703 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
704 ifeq ($(enable_decimal_float),bid)
705 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
706 else
707 $(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
708 endif
709 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
710 libgcc-objects += $(d32pbit-o)
711 endif
713 ifneq ($(D64PBIT),)
714 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
715 ifeq ($(enable_decimal_float),bid)
716 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
717 else
718 $(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
719 endif
720 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
721 libgcc-objects += $(d64pbit-o)
722 endif
724 ifneq ($(D128PBIT),)
725 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
726 ifeq ($(enable_decimal_float),bid)
727 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
728 else
729 $(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
730 endif
731 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
732 libgcc-objects += $(d128pbit-o)
733 endif
735 endif
737 ifeq ($(SYNC),yes)
738 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
739 sync_fetch_and_$(op) \
740 sync_$(op)_and_fetch) \
741 sync_bool_compare_and_swap \
742 sync_val_compare_and_swap \
743 sync_lock_test_and_set
745 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
746 $(foreach suffix, 1 2 4 8 16, \
747 $(prefix)_$(suffix)))
749 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
750 $(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
751 $(gcc_compile) $(SYNC_CFLAGS) \
752 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
753 -DSIZE=`echo "$*" | sed 's/.*_//'` \
754 -c $< $(vis_hide)
755 libgcc-objects += $(libgcc-sync-size-funcs-o)
757 libgcc-sync-funcs := sync_synchronize
759 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
760 $(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
761 $(gcc_compile) $(SYNC_CFLAGS) \
762 -DL$* \
763 -c $< $(vis_hide)
764 libgcc-objects += $(libgcc-sync-funcs-o)
766 ifeq ($(enable_shared),yes)
767 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
768 $(libgcc-sync-size-funcs))
769 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
770 $(gcc_s_compile) $(SYNC_CFLAGS) \
771 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
772 -DSIZE=`echo "$*" | sed 's/.*_//'` \
773 -c $<
774 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
776 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
777 $(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
778 $(gcc_s_compile) $(SYNC_CFLAGS) \
779 -DL$* \
780 -c $<
781 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
782 endif
783 endif
785 # Build fixed-point support.
786 ifeq ($(fixed_point),yes)
788 # Generate permutations of function name and mode
789 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
790 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
791 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
793 # Generate the rules for each arithmetic function
794 iter-items := $(fixed-funcs)
795 iter-labels := $(fixed-labels)
796 iter-from := $(fixed-modes)
797 iter-to := $(fixed-modes)
798 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
800 # Add arithmetic functions to list of objects to be built
801 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
802 ifeq ($(enable_shared),yes)
803 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
804 endif
806 # Convert from or to fractional
807 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
808 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
809 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
810 fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
812 # Generate the make rules for each conversion function
813 iter-items := $(fixed-conv-funcs)
814 iter-labels := $(fixed-conv-labels)
815 iter-from := $(fixed-conv-from)
816 iter-to := $(fixed-conv-to)
817 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
819 # Add conversion functions to list of objects to be built
820 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
821 ifeq ($(enable_shared),yes)
822 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
823 endif
825 endif
827 # Build LIB2ADD and LIB2ADD_ST.
828 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
829 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
830 endif
832 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
833 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
835 c_flags :=
836 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
837 include $(iterator)
839 ifeq ($(enable_shared),yes)
840 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
841 endif
843 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
844 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
845 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
847 c_flags := -fexceptions
849 ifeq ($(enable_shared),yes)
851 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
852 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
854 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
855 include $(iterator)
857 else
858 # Not shared. LIB2ADDEH are added to libgcc.a.
860 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
862 iter-items := $(LIB2ADDEH)
863 include $(iterator)
865 endif
867 # Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
868 # not generate calls to __gcc_personality_v0.
870 c_flags := -fno-exceptions
872 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
874 ifeq ($(enable_shared),yes)
875 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
876 endif
878 iter-items := $(LIBUNWIND)
879 include $(iterator)
881 # Build libgcov components.
883 LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_single \
884 _gcov_merge_ior _gcov_merge_time_profile _gcov_merge_icall_topn
885 LIBGCOV_PROFILER = _gcov_interval_profiler \
886 _gcov_interval_profiler_atomic \
887 _gcov_pow2_profiler \
888 _gcov_pow2_profiler_atomic \
889 _gcov_one_value_profiler \
890 _gcov_one_value_profiler_atomic \
891 _gcov_average_profiler \
892 _gcov_average_profiler_atomic \
893 _gcov_ior_profiler \
894 _gcov_ior_profiler_atomic \
895 _gcov_indirect_call_profiler_v2 \
896 _gcov_time_profiler \
897 _gcov_indirect_call_topn_profiler
898 LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork \
899 _gcov_execl _gcov_execlp \
900 _gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset
901 LIBGCOV_DRIVER = _gcov
903 libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE))
904 libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER))
905 libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE))
906 libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER))
907 libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \
908 $(libgcov-interface-objects) $(libgcov-driver-objects)
910 $(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
911 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c
912 $(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
913 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c
914 $(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
915 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c
916 $(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \
917 $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
918 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c
921 # Static libraries.
922 libgcc.a: $(libgcc-objects)
923 libgcov.a: $(libgcov-objects)
924 libunwind.a: $(libunwind-objects)
925 libgcc_eh.a: $(libgcc-eh-objects)
927 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
928 -rm -f $@
930 objects="$(objects)"; \
931 if test -z "$$objects"; then \
932 echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \
933 $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \
934 -o eh_dummy$(objext); \
935 objects=eh_dummy$(objext); \
936 fi; \
937 $(AR_CREATE_FOR_TARGET) $@ $$objects
939 $(RANLIB) $@
941 all: libgcc.a libgcov.a
943 ifneq ($(LIBUNWIND),)
944 all: libunwind.a
945 endif
947 ifeq ($(enable_shared),yes)
948 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
949 ifneq ($(LIBUNWIND),)
950 all: libunwind$(SHLIB_EXT)
951 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
952 endif
954 # Map-file generation.
955 ifneq ($(SHLIB_MKMAP),)
956 libgcc.map.in: $(SHLIB_MAPFILES)
957 { cat $(SHLIB_MAPFILES) \
958 | sed -e '/^[ ]*#/d' \
959 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
960 | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
961 } > tmp-$@
962 mv tmp-$@ $@
963 libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects)
964 { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
965 cat libgcc.map.in; \
966 } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
967 mv tmp-$@ $@
968 libgcc_s$(SHLIB_EXT): libgcc.map
969 mapfile = libgcc.map
970 endif
972 libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
973 sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
974 -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
976 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a
977 # @multilib_flags@ is still needed because this may use
978 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
979 # @multilib_dir@ is not really necessary, but sometimes it has
980 # more uses than just a directory name.
981 $(mkinstalldirs) $(MULTIDIR)
982 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
983 @multilib_dir@,$(MULTIDIR),$(subst \
984 @shlib_objs@,$(objects) libgcc.a,$(subst \
985 @shlib_base_name@,libgcc_s,$(subst \
986 @shlib_map_file@,$(mapfile),$(subst \
987 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
988 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
990 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
991 # @multilib_flags@ is still needed because this may use
992 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
993 # @multilib_dir@ is not really necessary, but sometimes it has
994 # more uses than just a directory name.
995 $(mkinstalldirs) $(MULTIDIR)
996 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
997 @multilib_dir@,$(MULTIDIR),$(subst \
998 @shlib_objs@,$(objects),$(subst \
999 @shlib_base_name@,libunwind,$(subst \
1000 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
1002 endif
1004 # Build the standard GCC startfiles and endfiles.
1005 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
1006 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
1008 ifeq ($(CUSTOM_CRTSTUFF),)
1009 # Compile two additional files that are linked with every program
1010 # linked using GCC on systems using COFF or ELF, for the sake of C++
1011 # constructors.
1012 crtbegin$(objext): $(srcdir)/crtstuff.c
1013 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1015 crtend$(objext): $(srcdir)/crtstuff.c
1016 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1018 # These are versions of crtbegin and crtend for shared libraries.
1019 crtbeginS$(objext): $(srcdir)/crtstuff.c
1020 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
1022 crtendS$(objext): $(srcdir)/crtstuff.c
1023 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
1025 # This is a version of crtbegin for -static links.
1026 crtbeginT$(objext): $(srcdir)/crtstuff.c
1027 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
1029 # crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and
1030 # the end of tables with addresses, required for offloading. crtoffloadtable
1031 # contains the array with addresses of those symbols.
1032 crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c
1033 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1035 crtoffloadend$(objext): $(srcdir)/offloadstuff.c
1036 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1038 crtoffloadtable$(objext): $(srcdir)/offloadstuff.c
1039 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE
1040 endif
1042 ifeq ($(enable_vtable_verify),yes)
1043 # These are used in vtable verification; see comments in source files for
1044 # more details.
1046 # Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv
1047 # compilations.
1048 VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive
1050 vtv_start$(objext): $(srcdir)/vtv_start.c
1051 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c
1053 vtv_end$(objext): $(srcdir)/vtv_end.c
1054 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c
1056 vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
1057 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c
1059 vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
1060 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c
1061 endif
1063 ifeq ($(CUSTOM_CRTIN),)
1064 # -x assembler-with-cpp is only needed on case-insensitive filesystem.
1065 crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
1066 $(crt_compile) -c -x assembler-with-cpp $<
1068 crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
1069 $(crt_compile) -c -x assembler-with-cpp $<
1070 endif
1072 # Build extra startfiles in the libgcc directory.
1073 .PHONY: libgcc-extra-parts
1074 libgcc-extra-parts: $(EXTRA_PARTS)
1076 # Early copyback; see "all" above for the rationale. The
1077 # early copy is necessary so that the gcc -B options find
1078 # the right startup files when linking shared libgcc.
1079 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
1080 parts="$(EXTRA_PARTS)"; \
1081 for file in $$parts; do \
1082 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
1083 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \
1084 case $$file in \
1085 *.a) \
1086 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \
1087 esac; \
1088 done
1090 all: $(extra-parts)
1092 $(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1093 $(libgcov-objects) \
1094 $(libunwind-objects) $(libunwind-s-objects) \
1095 $(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h
1097 # Copy unwind.h to the place where gcc will look for it at build-time
1098 install-unwind_h-forbuild: unwind.h
1099 dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1100 cp unwind.h $$dest; \
1101 chmod a+r $$dest; \
1102 sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1104 # Copy unwind.h to the place where gcc will look at run-time, once installed
1106 # This is redundant with the internal copy above when using a regular toplevel
1107 # "install" target, because gcc's install will copy to the destination as well.
1109 # This is however useful for "install-no-fixincludes" case, when only the gcc
1110 # internal headers are copied by gcc's install.
1111 install-unwind_h:
1112 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1113 $(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1115 all: install-unwind_h-forbuild
1117 install-gcov_h:
1118 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1119 $(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include
1121 # Documentation targets (empty).
1122 .PHONY: info html dvi pdf install-info install-html install-pdf
1124 info:
1125 install-info:
1126 html:
1127 install-html:
1128 dvi:
1129 pdf:
1130 install-pdf:
1132 # Install rules. These do not depend on "all", so that they can be invoked
1133 # recursively from it.
1134 install-libunwind:
1135 $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1137 # NOTE: Maybe this should go into $(inst_libdir), but this
1138 # is where the old mklibgcc.in put it.
1139 $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1140 chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1141 $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1143 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1144 @shlib_base_name@,libunwind,$(subst \
1145 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1147 install-shared:
1148 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1150 $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1151 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1152 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1154 $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1155 @shlib_base_name@,libgcc_s,$(subst \
1156 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1158 install-leaf: $(install-shared) $(install-libunwind)
1159 $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1161 $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1162 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1163 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1164 $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1165 chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1166 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1168 parts="$(INSTALL_PARTS)"; \
1169 for file in $$parts; do \
1170 rm -f $(DESTDIR)$(inst_libdir)/$$file; \
1171 $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \
1172 case $$file in \
1173 *.a) \
1174 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \
1175 esac; \
1176 done
1178 install: install-leaf install-unwind_h install-gcov_h
1179 @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1181 install-strip: install
1183 .PHONY: install install-shared install-libunwind install-strip
1184 .PHONY: install-unwind_h install-unwind_h-forbuild
1185 .PHONY: install-gcov_h
1187 # Don't export variables to the environment, in order to not confuse
1188 # configure.
1189 .NOEXPORT:
1191 include $(srcdir)/empty.mk $(wildcard *.dep)