1# Makefile.in
2
3# Copyright (C) 2005-2018 Free Software Foundation, Inc.
4#
5# This file is part of GCC.
6#
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.
11#
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.
16#
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/>.
20#
21
22libgcc_topdir = @libgcc_topdir@
23host_subdir = @host_subdir@
24
25gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
26
27srcdir = @srcdir@
28
29prefix = @prefix@
30
31exec_prefix = @exec_prefix@
32libdir = @libdir@
33shlib_slibdir = @slibdir@
34
35SHELL = @SHELL@
36
37cpu_type = @cpu_type@
38enable_shared = @enable_shared@
39double_type_size = @double_type_size@
40long_double_type_size = @long_double_type_size@
41decimal_float = @decimal_float@
42enable_vtable_verify = @enable_vtable_verify@
43enable_decimal_float = @enable_decimal_float@
44fixed_point = @fixed_point@
45with_aix_soname = @with_aix_soname@
46enable_execute_stack = @enable_execute_stack@
47unwind_header = @unwind_header@
48md_unwind_header = @md_unwind_header@
49sfp_machine_header = @sfp_machine_header@
50thread_header = @thread_header@
51
52host_noncanonical = @host_noncanonical@
53real_host_noncanonical = @real_host_noncanonical@
54target_noncanonical = @target_noncanonical@
55
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.
58EXTRA_PARTS = @extra_parts@
59
60FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@
61
62extra-parts = libgcc-extra-parts
63
64# Multilib support variables.
65MULTISRCTOP =
66MULTIBUILDTOP =
67MULTIDIRS =
68MULTISUBDIR =
69MULTIDO = true
70MULTICLEAN = true
71
72INSTALL = @INSTALL@
73INSTALL_PROGRAM = @INSTALL_PROGRAM@
74INSTALL_DATA = @INSTALL_DATA@
75mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
76INSTALL_PARTS = $(EXTRA_PARTS)
77
78objext = .o
79
80AR = @AR@
81AR_FLAGS = rc
82
83CC = @CC@
84CFLAGS = @CFLAGS@
85RANLIB = @RANLIB@
86LN_S = @LN_S@
87
88PWD_COMMAND = $${PWDCMD-pwd}
89
90# Flags to pass to a recursive make.
91FLAGS_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)"
111
112# Dependencies for "all" are set later in the file.
113all: 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)
120
121.PHONY: all-multi
122all-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
126
127.PHONY: check installcheck
128check:
129installcheck:
130
131.PHONY: all clean
132
133clean:
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
142distclean: 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
148maintainer-clean realclean: distclean
149
150Makefile: $(srcdir)/Makefile.in config.status
151	CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
152
153# Depending on Makefile makes sure that config.status has been re-run
154# if needed.  This prevents problems with parallel builds.
155auto-target.h: stamp-h ; @true
156stamp-h: $(srcdir)/config.in config.status Makefile
157	CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
158
159config.status: $(srcdir)/configure $(srcdir)/config.host
160	$(SHELL) ./config.status --recheck
161
162AUTOCONF = autoconf
163configure_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 \
175	$(srcdir)/../config/cet.m4
176
177$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
178	cd $(srcdir) && $(AUTOCONF)
179
180include $(gcc_objdir)/libgcc.mvars
181
182# Flags to pass to recursive makes.
183
184AR_FOR_TARGET = $(AR)
185AR_FLAGS_FOR_TARGET =
186AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
187AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
188AWK = @AWK@
189GCC_FOR_TARGET = $(CC)
190LIPO = @LIPO@
191LIPO_FOR_TARGET = $(LIPO)
192MACHMODE_H = machmode.h mode-classes.def insn-modes.h
193NM = @NM@
194NM_FOR_TARGET = $(NM)
195RANLIB_FOR_TARGET = $(RANLIB)
196STRIP = @STRIP@
197STRIP_FOR_TARGET = $(STRIP)
198
199# Directory in which the compiler finds libraries etc.
200libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@
201# Used to install the shared libgcc.
202slibdir = @slibdir@
203# Maybe used for DLLs on Windows targets.
204toolexecdir = @toolexecdir@
205toolexeclibdir = @toolexeclibdir@
206
207export AR_FOR_TARGET
208export AR_CREATE_FOR_TARGET
209export AR_FLAGS_FOR_TARGET
210export AR_EXTRACT_FOR_TARGET
211export AWK
212export DESTDIR
213export GCC_FOR_TARGET
214export INCLUDES
215export INSTALL_DATA
216export LIB1ASMSRC
217export LIBGCC2_CFLAGS
218export LIPO_FOR_TARGET
219export MACHMODE_H
220export NM_FOR_TARGET
221export STRIP_FOR_TARGET
222export RANLIB_FOR_TARGET
223export libsubdir
224export slibdir
225export toolexecdir
226export toolexeclibdir
227
228version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER)
229
230ifeq ($(decimal_float),yes)
231ifeq ($(enable_decimal_float),bid)
232DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
233else
234DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
235	    -I$(srcdir)/../libdecnumber
236endif
237else
238DECNUMINC =
239endif
240
241# Options to use when compiling libgcc2.a.
242#
243LIBGCC2_DEBUG_CFLAGS = -g
244LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
245		 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
246		 -fbuilding-libgcc -fno-stack-protector \
247		 $(INHIBIT_LIBC_CFLAGS)
248
249# Additional options to use when compiling libgcc2.a.
250# Some targets override this to -isystem include
251LIBGCC2_INCLUDES =
252
253# Additional target-dependent options for compiling libgcc2.a.
254HOST_LIBGCC2_CFLAGS =
255
256PICFLAG = @PICFLAG@
257
258CET_FLAGS = @CET_FLAGS@
259
260# Defined in libgcc2.c, included only in the static library.
261LIB2FUNCS_ST = _eprintf __gcc_bcmp
262
263# List of functions not to build from libgcc2.c.
264LIB2FUNCS_EXCLUDE =
265
266# List of extra C and assembler files to add to static and shared libgcc2.
267# Assembler files should have names ending in `.S'.
268LIB2ADD =
269
270# List of extra C and assembler files to add to static libgcc2.
271# Assembler files should have names ending in `.S'.
272LIB2ADD_ST =
273
274# Specify the directories to be searched for header files.
275# Both . and srcdir are used, in that order,
276# so that *config.h will be found in the compilation
277# subdirectory rather than in the source directory.
278# -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
279# currently being compiled, in both source trees, to be examined as well.
280INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
281	   -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
282	   -I$(srcdir)/../include $(DECNUMINC)
283
284# Forcibly remove any profiling-related flags.  There is no point
285# in supporting profiled bootstrap in this library.
286override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
287
288# CFLAGS first is not perfect; normally setting CFLAGS should override any
289# options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
290# will usually contain -g, so for the moment CFLAGS goes first.  We must
291# include CFLAGS - that's where multilib options live.
292INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
293		  $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
294
295# Options to use when compiling crtbegin/end.
296CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
297  $(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \
298  -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
299  -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
300  $(INHIBIT_LIBC_CFLAGS)
301
302# Extra flags to use when compiling crt{begin,end}.o.
303CRTSTUFF_T_CFLAGS =
304
305MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
306MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
307
308MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
309inst_libdir = $(libsubdir)$(MULTISUBDIR)
310inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
311
312gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
313compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
314gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
315gcc_s_compile = $(gcc_compile) -DSHARED
316
317objects = $(filter %$(objext),$^)
318
319# Collect any host-specific information from Makefile fragments.
320
321LIBGCC_VER_GNU_PREFIX = __
322LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
323LIBGCC_VER_SYMBOLS_PREFIX =
324
325FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
326    _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
327    _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
328    _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
329
330DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
331    _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
332    _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
333    _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
334
335TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
336    _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
337    _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
338    _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
339
340# Additional sources to handle exceptions; overridden by targets as needed.
341LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
342  $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
343LIB2ADDEHSTATIC = $(LIB2ADDEH)
344LIB2ADDEHSHARED = $(LIB2ADDEH)
345
346# nm flags to list global symbols in libgcc object files.
347SHLIB_NM_FLAGS = -pg
348
349# Don't build libunwind by default.
350LIBUNWIND =
351SHLIBUNWIND_LINK =
352SHLIBUNWIND_INSTALL =
353
354
355# Create links to files specified in config.host.
356LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \
357               sfp-machine.h gthr-default.h
358
359enable-execute-stack.c: $(srcdir)/$(enable_execute_stack)
360	-$(LN_S) $< $@
361unwind.h: $(srcdir)/$(unwind_header)
362	-$(LN_S) $< $@
363md-unwind-support.h: $(srcdir)/config/$(md_unwind_header)
364	-$(LN_S) $< $@
365sfp-machine.h: $(srcdir)/config/$(sfp_machine_header)
366	-$(LN_S) $< $@
367gthr-default.h: $(srcdir)/$(thread_header)
368	-$(LN_S) $< $@
369
370tmake_file = @tmake_file@
371include $(srcdir)/empty.mk $(tmake_file)
372
373# Collect target defines and headers from config.host.
374libgcc_tm_defines = @tm_defines@
375libgcc_tm_file = @tm_file@
376libgcc_tm.h: libgcc_tm.stamp; @true
377libgcc_tm.stamp:
378	DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
379		$(srcdir)/mkheader.sh > tmp-libgcc_tm.h
380	$(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
381	echo timestamp > $@
382
383# Only handle shared libraries if both:
384#   - the user requested them
385#   - we know how to build them
386ifeq ($(SHLIB_LINK),)
387  enable_shared := no
388endif
389
390ifeq ($(enable_shared),yes)
391  iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
392
393  install-shared = install-shared
394
395  ifneq ($(LIBUNWIND),)
396    install-libunwind = install-libunwind
397  endif
398endif
399
400# For -fvisibility=hidden.  We need both a -fvisibility=hidden on
401# the command line, and a #define to prevent libgcc2.h etc from
402# overriding that with #pragmas.
403vis_hide = @vis_hide@
404
405ifneq (,$(vis_hide))
406
407# If we have -fvisibility=hidden, then we need to generate hide
408# lists for object files implemented in assembly.
409ASM_HIDDEN_OP = @asm_hidden_op@
410
411define gen-hide-list
412$(NM) -pg $< | \
413  $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
414         && $$3 !~ /.*@.*/ \
415	 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
416mv -f $@T $@
417endef
418else
419gen-hide-list = echo > $@
420endif
421
422ifneq ($(enable_shared),yes)
423iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
424endif
425
426LIB2ADD += enable-execute-stack.c
427
428# While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
429# instead of LIB2ADD because that's the way to be sure on some targets
430# (e.g. *-*-darwin*) only one copy of it is linked.
431LIB2ADDEH += $(srcdir)/emutls.c
432LIB2ADDEHSTATIC += $(srcdir)/emutls.c
433LIB2ADDEHSHARED += $(srcdir)/emutls.c
434
435# Library members defined in libgcc2.c.
436lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2	   \
437	    _clear_cache _trampoline __main _absvsi2 \
438	    _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
439	    _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
440	    _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2	   \
441	    _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2	   \
442	    _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3	   \
443	    _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2	   \
444	    _clrsbdi2
445
446# The floating-point conversion routines that involve a single-word integer.
447# XX stands for the integer mode.
448swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
449
450# Likewise double-word routines.
451dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
452	       $(patsubst %,_fixuns%XX,sf df xf tf) \
453	       $(patsubst %,_floatXX%,sf df xf tf) \
454	       $(patsubst %,_floatunXX%,sf df xf tf)
455
456ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
457  lib2funcs += $(subst XX,si,$(swfloatfuncs))
458  lib2funcs += $(subst XX,di,$(dwfloatfuncs))
459endif
460
461# These might cause a divide overflow trap and so are compiled with
462# unwinder info.
463LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \
464		    _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv
465
466# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
467# defined as optimized assembly code in LIB1ASMFUNCS or as C code
468# in LIB2FUNCS_EXCLUDE.
469lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
470LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
471		       $(LIB2_DIVMOD_FUNCS))
472
473# Build "libgcc1" (assembly) components.
474
475lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
476$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis
477	$(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis
478$(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
479	$(gen-hide-list)
480libgcc-objects += $(lib1asmfuncs-o)
481
482lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
483$(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC)
484	$(gcc_s_compile) -DL$* -xassembler-with-cpp -c $<
485ifeq ($(enable_shared),yes)
486
487libgcc-s-objects += $(lib1asmfuncs-s-o)
488
489endif
490
491# Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
492lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
493$(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
494	$(gcc_compile) -DL$* -c $< $(vis_hide)
495libgcc-objects += $(lib2funcs-o)
496
497ifeq ($(enable_shared),yes)
498lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
499$(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
500	$(gcc_s_compile) -DL$* -c $<
501libgcc-s-objects += $(lib2funcs-s-o)
502endif
503
504ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
505# Build libgcc2.c for each conversion function, with a specific
506# L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
507# functions are built with a wordsize of 4; the TImode functions are
508# built with the same labels, but a wordsize of 8.
509
510sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
511difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
512tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
513
514iter-items := $(sifuncs) $(difuncs) $(tifuncs)
515iter-labels := $(sifuncs) $(difuncs) $(difuncs)
516iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
517
518include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
519
520libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
521ifeq ($(enable_shared),yes)
522libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
523endif
524endif
525
526ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
527# Provide default flags for compiling divmod functions, if they haven't been
528# set already by a target-specific Makefile fragment.
529LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
530endif
531
532# Build LIB2_DIVMOD_FUNCS.
533lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
534$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
535	$(gcc_compile) -DL$* -c $< \
536	  $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide)
537libgcc-objects += $(lib2-divmod-o)
538
539ifeq ($(enable_shared),yes)
540lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
541$(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
542	$(gcc_s_compile) -DL$* -c $< \
543	  $(LIB2_DIVMOD_EXCEPTION_FLAGS)
544libgcc-s-objects += $(lib2-divmod-s-o)
545endif
546
547ifeq ($(TPBIT),)
548# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
549FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
550DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
551endif
552
553FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS))
554DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS))
555TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS))
556
557fpbit-src := $(srcdir)/fp-bit.c
558
559# Build FPBIT.
560ifneq ($(FPBIT),)
561fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
562$(fpbit-o): %$(objext): $(fpbit-src)
563	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
564libgcc-objects += $(fpbit-o)
565
566ifeq ($(enable_shared),yes)
567fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
568$(fpbit-s-o): %_s$(objext): $(fpbit-src)
569	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS)  -c $<
570libgcc-s-objects += $(fpbit-s-o)
571endif
572endif
573
574# Build DPBIT.
575ifneq ($(DPBIT),)
576dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
577$(dpbit-o): %$(objext): $(fpbit-src)
578	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
579libgcc-objects += $(dpbit-o)
580
581ifeq ($(enable_shared),yes)
582dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
583$(dpbit-s-o): %_s$(objext): $(fpbit-src)
584	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
585libgcc-s-objects += $(dpbit-s-o)
586endif
587endif
588
589# Build TPBIT.
590ifneq ($(TPBIT),)
591tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
592$(tpbit-o): %$(objext): $(fpbit-src)
593	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
594libgcc-objects += $(tpbit-o)
595
596ifeq ($(enable_shared),yes)
597tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
598$(tpbit-s-o): %_s$(objext): $(fpbit-src)
599	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
600libgcc-s-objects += $(tpbit-s-o)
601endif
602endif
603
604# Build decimal floating point support.
605ifeq ($(decimal_float),yes)
606
607# If $DFP_ENABLE is set, then we want all data type sizes.
608ifneq ($(DFP_ENABLE),)
609D32PBIT = 1
610D64PBIT = 1
611D128PBIT = 1
612endif
613
614dfp-filenames =
615ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
616ifeq ($(enable_decimal_float),bid)
617dfp-filenames += bid_decimal_globals bid_decimal_data \
618		 bid_binarydecimal bid_convert_data \
619		 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
620		 bid128_noncomp bid128_fma bid_round bid_from_int \
621		 bid64_add bid128_add bid64_div bid128_div \
622		 bid64_mul bid128_mul bid64_compare bid128_compare \
623		 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
624		 bid64_to_int32 bid64_to_int64 \
625		 bid64_to_uint32 bid64_to_uint64 \
626		 bid128_to_int32 bid128_to_int64 \
627		 bid128_to_uint32 bid128_to_uint64
628else
629dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
630endif
631endif
632
633dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
634ifeq ($(enable_decimal_float),bid)
635$(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
636else
637$(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
638endif
639	$(gcc_compile) -c $<
640libgcc-objects += $(dfp-objects)
641
642decbits-filenames =
643ifneq ($(enable_decimal_float),bid)
644ifneq ($(D32PBIT),)
645decbits-filenames += decimal32
646endif
647
648ifneq ($(D64PBIT),)
649decbits-filenames += decimal64
650endif
651
652ifneq ($(D128PBIT),)
653decbits-filenames += decimal128
654endif
655endif
656
657decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
658ifeq ($(enable_decimal_float),bid)
659$(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
660else
661$(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
662endif
663	$(gcc_compile) -c $<
664libgcc-objects += $(decbits-objects)
665
666# Next build individual support functions.
667D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
668	_eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
669	_sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
670	_si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
671	_sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
672	_sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
673	_sd_to_dd _sd_to_td _unord_sd _conv_sd
674
675D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
676	_eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
677	_dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
678	_si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
679	_dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
680	_sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
681	_dd_to_sd _dd_to_td _unord_dd _conv_dd
682
683D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
684	_eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
685	_td_to_si _td_to_di _td_to_usi _td_to_udi \
686	_si_to_td _di_to_td _usi_to_td _udi_to_td \
687	_td_to_sf _td_to_df _td_to_xf _td_to_tf \
688	_sf_to_td _df_to_td _xf_to_td _tf_to_td \
689	_td_to_sd _td_to_dd _unord_td _conv_td
690
691ifeq ($(enable_decimal_float),bid)
692ifneq ($(D32PBIT),)
693D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
694endif
695
696ifneq ($(D64PBIT),)
697D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
698endif
699
700ifneq ($(D128PBIT),)
701D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
702endif
703endif
704
705ifneq ($(D32PBIT),)
706d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
707ifeq ($(enable_decimal_float),bid)
708$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
709else
710$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
711endif
712	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
713libgcc-objects += $(d32pbit-o)
714endif
715
716ifneq ($(D64PBIT),)
717d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
718ifeq ($(enable_decimal_float),bid)
719$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
720else
721$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
722endif
723	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
724libgcc-objects += $(d64pbit-o)
725endif
726
727ifneq ($(D128PBIT),)
728d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
729ifeq ($(enable_decimal_float),bid)
730$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
731else
732$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
733endif
734	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
735libgcc-objects += $(d128pbit-o)
736endif
737
738endif
739
740ifeq ($(SYNC),yes)
741libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
742			    sync_fetch_and_$(op) \
743			    sync_$(op)_and_fetch) \
744			  sync_bool_compare_and_swap \
745			  sync_val_compare_and_swap \
746			  sync_lock_test_and_set
747
748libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
749			    $(foreach suffix, 1 2 4 8 16, \
750			      $(prefix)_$(suffix)))
751
752libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
753$(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
754	$(gcc_compile) $(SYNC_CFLAGS) \
755	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
756	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
757	  -c $< $(vis_hide)
758libgcc-objects += $(libgcc-sync-size-funcs-o)
759
760libgcc-sync-funcs := sync_synchronize
761
762libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
763$(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
764	$(gcc_compile) $(SYNC_CFLAGS) \
765	  -DL$* \
766	  -c $< $(vis_hide)
767libgcc-objects += $(libgcc-sync-funcs-o)
768
769ifeq ($(enable_shared),yes)
770libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
771			       $(libgcc-sync-size-funcs))
772$(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
773	$(gcc_s_compile) $(SYNC_CFLAGS) \
774	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
775	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
776	  -c $<
777libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
778
779libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
780$(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
781	$(gcc_s_compile) $(SYNC_CFLAGS) \
782	  -DL$*	\
783	  -c $<
784libgcc-s-objects += $(libgcc-sync-funcs-s-o)
785endif
786endif
787
788# Build fixed-point support.
789ifeq ($(fixed_point),yes)
790
791# Generate permutations of function name and mode
792fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
793fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
794fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
795
796# Generate the rules for each arithmetic function
797iter-items := $(fixed-funcs)
798iter-labels := $(fixed-labels)
799iter-from := $(fixed-modes)
800iter-to := $(fixed-modes)
801include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
802
803# Add arithmetic functions to list of objects to be built
804libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
805ifeq ($(enable_shared),yes)
806libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
807endif
808
809# Convert from or to fractional
810fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
811fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
812fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
813fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
814
815# Generate the make rules for each conversion function
816iter-items := $(fixed-conv-funcs)
817iter-labels := $(fixed-conv-labels)
818iter-from := $(fixed-conv-from)
819iter-to := $(fixed-conv-to)
820include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
821
822# Add conversion functions to list of objects to be built
823libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
824ifeq ($(enable_shared),yes)
825libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
826endif
827
828endif
829
830# Build LIB2ADD and LIB2ADD_ST.
831ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
832$(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
833endif
834
835libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
836libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
837
838c_flags :=
839iter-items := $(LIB2ADD) $(LIB2ADD_ST)
840include $(iterator)
841
842ifeq ($(enable_shared),yes)
843libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
844endif
845
846# Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
847# libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
848# LIB2ADDEHSHARED matter.  (Usually all three are identical.)
849
850c_flags := -fexceptions
851
852ifeq ($(enable_shared),yes)
853
854libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
855libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
856
857iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
858include $(iterator)
859
860else
861# Not shared.  LIB2ADDEH are added to libgcc.a.
862
863libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
864
865iter-items := $(LIB2ADDEH)
866include $(iterator)
867
868endif
869
870# Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
871# not generate calls to __gcc_personality_v0.
872
873c_flags := -fno-exceptions
874
875libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
876
877ifeq ($(enable_shared),yes)
878libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
879endif
880
881iter-items := $(LIBUNWIND)
882include $(iterator)
883
884# Build libgcov components.
885
886LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_single			\
887	_gcov_merge_ior _gcov_merge_time_profile _gcov_merge_icall_topn
888LIBGCOV_PROFILER = _gcov_interval_profiler				\
889	_gcov_interval_profiler_atomic					\
890	_gcov_pow2_profiler						\
891	_gcov_pow2_profiler_atomic					\
892	_gcov_one_value_profiler					\
893	_gcov_one_value_profiler_atomic					\
894	_gcov_average_profiler						\
895	_gcov_average_profiler_atomic					\
896	_gcov_ior_profiler						\
897	_gcov_ior_profiler_atomic					\
898	_gcov_indirect_call_profiler_v2					\
899	_gcov_time_profiler						\
900	_gcov_indirect_call_topn_profiler
901LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork			\
902	_gcov_execl _gcov_execlp					\
903	_gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset
904LIBGCOV_DRIVER = _gcov
905
906libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE))
907libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER))
908libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE))
909libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER))
910libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \
911                 $(libgcov-interface-objects) $(libgcov-driver-objects)
912
913$(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
914	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c
915$(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
916	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c
917$(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
918	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c
919$(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \
920  $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
921	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c
922
923
924# Static libraries.
925libgcc.a: $(libgcc-objects)
926libgcov.a: $(libgcov-objects)
927libunwind.a: $(libunwind-objects)
928libgcc_eh.a: $(libgcc-eh-objects)
929
930libgcc.a libgcov.a libunwind.a libgcc_eh.a:
931	-rm -f $@
932
933	objects="$(objects)";					\
934	if test -z "$$objects"; then				\
935	  echo 'int __libgcc_eh_dummy;' > eh_dummy.c;		\
936	  $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c		\
937	     -o eh_dummy$(objext);				\
938	  objects=eh_dummy$(objext);				\
939	fi;							\
940	$(AR_CREATE_FOR_TARGET) $@ $$objects
941
942	$(RANLIB) $@
943
944all: libgcc.a libgcov.a
945
946ifneq ($(LIBUNWIND),)
947all: libunwind.a
948endif
949
950ifeq ($(enable_shared),yes)
951all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
952ifneq ($(LIBUNWIND),)
953all: libunwind$(SHLIB_EXT)
954libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
955endif
956
957# Map-file generation.
958ifneq ($(SHLIB_MKMAP),)
959libgcc.map.in: $(SHLIB_MAPFILES)
960	{ cat $(SHLIB_MAPFILES) \
961	    | sed -e '/^[ 	]*#/d' \
962		  -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
963	    | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
964	} > tmp-$@
965	mv tmp-$@ $@
966libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects)
967	{ $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
968	  cat libgcc.map.in; \
969	} | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
970	mv tmp-$@ $@
971libgcc_s$(SHLIB_EXT): libgcc.map
972mapfile = libgcc.map
973endif
974
975libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
976	sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
977	    -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
978
979libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a
980	# @multilib_flags@ is still needed because this may use
981	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
982	# @multilib_dir@ is not really necessary, but sometimes it has
983	# more uses than just a directory name.
984	$(mkinstalldirs) $(MULTIDIR)
985	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
986		@multilib_dir@,$(MULTIDIR),$(subst \
987		@shlib_objs@,$(objects) libgcc.a,$(subst \
988		@shlib_base_name@,libgcc_s,$(subst \
989		@shlib_map_file@,$(mapfile),$(subst \
990		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
991		@shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
992
993libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
994	# @multilib_flags@ is still needed because this may use
995	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
996	# @multilib_dir@ is not really necessary, but sometimes it has
997	# more uses than just a directory name.
998	$(mkinstalldirs) $(MULTIDIR)
999	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
1000		@multilib_dir@,$(MULTIDIR),$(subst \
1001		@shlib_objs@,$(objects),$(subst \
1002		@shlib_base_name@,libunwind,$(subst \
1003		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
1004
1005endif
1006
1007# Build the standard GCC startfiles and endfiles.
1008ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
1009crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
1010
1011ifeq ($(CUSTOM_CRTSTUFF),)
1012# Compile two additional files that are linked with every program
1013# linked using GCC on systems using COFF or ELF, for the sake of C++
1014# constructors.
1015crtbegin$(objext): $(srcdir)/crtstuff.c
1016	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1017
1018crtend$(objext): $(srcdir)/crtstuff.c
1019	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1020
1021# These are versions of crtbegin and crtend for shared libraries.
1022crtbeginS$(objext): $(srcdir)/crtstuff.c
1023	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
1024
1025crtendS$(objext): $(srcdir)/crtstuff.c
1026	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
1027
1028# This is a version of crtbegin for -static links.
1029crtbeginT$(objext): $(srcdir)/crtstuff.c
1030	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
1031
1032# crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and
1033# the end of tables with addresses, required for offloading.  crtoffloadtable
1034# contains the array with addresses of those symbols.
1035crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c
1036	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1037
1038crtoffloadend$(objext): $(srcdir)/offloadstuff.c
1039	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1040
1041crtoffloadtable$(objext): $(srcdir)/offloadstuff.c
1042	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE
1043endif
1044
1045ifeq ($(enable_vtable_verify),yes)
1046# These are used in vtable verification; see comments in source files for
1047# more details.
1048
1049# Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv
1050# compilations.
1051VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive
1052
1053vtv_start$(objext): $(srcdir)/vtv_start.c
1054	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c
1055
1056vtv_end$(objext): $(srcdir)/vtv_end.c
1057	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c
1058
1059vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
1060	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c
1061
1062vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
1063	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c
1064endif
1065
1066ifeq ($(CUSTOM_CRTIN),)
1067# -x assembler-with-cpp is only needed on case-insensitive filesystem.
1068crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
1069	$(crt_compile) -c -x assembler-with-cpp $<
1070
1071crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
1072	$(crt_compile) -c -x assembler-with-cpp $<
1073endif
1074
1075# Build extra startfiles in the libgcc directory.
1076.PHONY: libgcc-extra-parts
1077libgcc-extra-parts: $(EXTRA_PARTS)
1078
1079	# Early copyback; see "all" above for the rationale.  The
1080	# early copy is necessary so that the gcc -B options find
1081	# the right startup files when linking shared libgcc.
1082	$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
1083	parts="$(EXTRA_PARTS)";					\
1084	for file in $$parts; do					\
1085	  rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;		\
1086	  $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;	\
1087	  case $$file in 					\
1088	    *.a)						\
1089	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1090	  esac;							\
1091	done
1092
1093all: $(extra-parts)
1094
1095$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1096	$(libgcov-objects) \
1097	$(libunwind-objects) $(libunwind-s-objects) \
1098	$(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h
1099
1100# Copy unwind.h to the place where gcc will look for it at build-time
1101install-unwind_h-forbuild: unwind.h
1102	dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1103	cp unwind.h $$dest; \
1104	chmod a+r $$dest; \
1105	sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1106
1107# Copy unwind.h to the place where gcc will look at run-time, once installed
1108#
1109# This is redundant with the internal copy above when using a regular toplevel
1110# "install" target, because gcc's install will copy to the destination as well.
1111#
1112# This is however useful for "install-no-fixincludes" case, when only the gcc
1113# internal headers are copied by gcc's install.
1114install-unwind_h:
1115	$(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1116	$(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1117
1118all: install-unwind_h-forbuild
1119
1120install-gcov_h:
1121	$(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1122	$(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include
1123
1124# Documentation targets (empty).
1125.PHONY: info html dvi pdf install-info install-html install-pdf
1126
1127info:
1128install-info:
1129html:
1130install-html:
1131dvi:
1132pdf:
1133install-pdf:
1134
1135# Install rules.  These do not depend on "all", so that they can be invoked
1136# recursively from it.
1137install-libunwind:
1138	$(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1139
1140	# NOTE: Maybe this should go into $(inst_libdir), but this
1141	# is where the old mklibgcc.in put it.
1142	$(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1143	chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1144	$(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1145
1146	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1147		@shlib_base_name@,libunwind,$(subst \
1148		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1149
1150install-shared:
1151	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1152
1153	$(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1154	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1155	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1156
1157	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1158		@shlib_base_name@,libgcc_s,$(subst \
1159		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1160
1161install-leaf: $(install-shared) $(install-libunwind)
1162	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1163
1164	$(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1165	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1166	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1167	$(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1168	chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1169	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1170
1171	parts="$(INSTALL_PARTS)";				\
1172	for file in $$parts; do					\
1173	  rm -f $(DESTDIR)$(inst_libdir)/$$file;		\
1174	  $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;	\
1175	  case $$file in 					\
1176	    *.a)						\
1177	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1178	  esac;							\
1179	done
1180
1181install: install-leaf install-unwind_h install-gcov_h
1182	@: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1183
1184install-strip: install
1185
1186.PHONY: install install-shared install-libunwind install-strip
1187.PHONY: install-unwind_h install-unwind_h-forbuild
1188.PHONY: install-gcov_h
1189
1190# Don't export variables to the environment, in order to not confuse
1191# configure.
1192.NOEXPORT:
1193
1194include $(srcdir)/empty.mk $(wildcard *.dep)
1195