1# Makefile.in
2
3# Copyright (C) 2005-2019 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@
39enable_gcov = @enable_gcov@
40double_type_size = @double_type_size@
41long_double_type_size = @long_double_type_size@
42decimal_float = @decimal_float@
43enable_vtable_verify = @enable_vtable_verify@
44enable_decimal_float = @enable_decimal_float@
45fixed_point = @fixed_point@
46with_aix_soname = @with_aix_soname@
47solaris_ld_v2_maps = @solaris_ld_v2_maps@
48enable_execute_stack = @enable_execute_stack@
49unwind_header = @unwind_header@
50md_unwind_header = @md_unwind_header@
51sfp_machine_header = @sfp_machine_header@
52thread_header = @thread_header@
53
54host_noncanonical = @host_noncanonical@
55real_host_noncanonical = @real_host_noncanonical@
56target_noncanonical = @target_noncanonical@
57
58# List of extra object files that should be compiled for this target machine.
59# The rules for compiling them should be in the t-* file for the machine.
60EXTRA_PARTS = @extra_parts@
61
62FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@
63
64extra-parts = libgcc-extra-parts
65
66# Multilib support variables.
67MULTISRCTOP =
68MULTIBUILDTOP =
69MULTIDIRS =
70MULTISUBDIR =
71MULTIDO = true
72MULTICLEAN = true
73
74INSTALL = @INSTALL@
75INSTALL_PROGRAM = @INSTALL_PROGRAM@
76INSTALL_DATA = @INSTALL_DATA@
77mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
78INSTALL_PARTS = $(EXTRA_PARTS)
79
80objext = .o
81
82AR = @AR@
83AR_FLAGS = rc
84
85CC = @CC@
86CFLAGS = @CFLAGS@
87RANLIB = @RANLIB@
88LN_S = @LN_S@
89
90PWD_COMMAND = $${PWDCMD-pwd}
91
92# Flags to pass to a recursive make.
93FLAGS_TO_PASS = \
94	"AR=$(AR)" \
95	"AR_FLAGS=$(AR_FLAGS)" \
96	"CC=$(CC)" \
97	"CFLAGS=$(CFLAGS)" \
98	"DESTDIR=$(DESTDIR)" \
99	"EXTRA_OFILES=$(EXTRA_OFILES)" \
100	"HDEFINES=$(HDEFINES)" \
101	"INSTALL=$(INSTALL)" \
102	"INSTALL_DATA=$(INSTALL_DATA)" \
103	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
104	"LDFLAGS=$(LDFLAGS)" \
105	"LOADLIBES=$(LOADLIBES)" \
106	"RANLIB=$(RANLIB)" \
107	"SHELL=$(SHELL)" \
108	"prefix=$(prefix)" \
109	"exec_prefix=$(exec_prefix)" \
110	"libdir=$(libdir)" \
111	"libsubdir=$(libsubdir)" \
112	"tooldir=$(tooldir)"
113
114# Dependencies for "all" are set later in the file.
115all: all-multi
116	# Now that we have built all the objects, we need to copy
117	# them back to the GCC directory.  Too many things (other
118	# in-tree libraries, and DejaGNU) know about the layout
119	# of the build tree, for now.
120	$(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
121	  slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
122
123.PHONY: all-multi
124all-multi:
125	# If this is the top-level multilib, build all the other
126	# multilibs.
127	@: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
128
129.PHONY: check installcheck
130check:
131installcheck:
132
133.PHONY: all clean
134
135clean:
136	-rm -f libgcc_tm.h libgcc.map
137	-rm -f libgcc_tm.stamp stmp-ldirs
138	-rm -f *$(objext)
139	-rm -f *.dep
140	-rm -f *.a
141	-rm -f libunwind$(SHLIB_EXT)
142	-rm -f libgcc_s*
143	@$(MULTICLEAN) multi-clean DO=clean
144distclean: clean
145	@$(MULTICLEAN) multi-clean DO=distclean
146	-rm -f auto-target.h
147	-rm -f stamp-h
148	-rm -f *~ Makefile config.cache config.status multilib.out
149	-rm -f config.log
150maintainer-clean realclean: distclean
151
152Makefile: $(srcdir)/Makefile.in config.status
153	CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
154
155# Depending on Makefile makes sure that config.status has been re-run
156# if needed.  This prevents problems with parallel builds.
157auto-target.h: stamp-h ; @true
158stamp-h: $(srcdir)/config.in config.status Makefile
159	CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
160
161config.status: $(srcdir)/configure $(srcdir)/config.host
162	$(SHELL) ./config.status --recheck
163
164AUTOCONF = autoconf
165configure_deps = \
166	$(srcdir)/../config/enable.m4 \
167	$(srcdir)/../config/tls.m4 \
168	$(srcdir)/../config/acx.m4 \
169	$(srcdir)/../config/no-executables.m4 \
170	$(srcdir)/../config/lib-ld.m4 \
171	$(srcdir)/../config/override.m4 \
172	$(srcdir)/../config/picflag.m4 \
173	$(srcdir)/../config/dfp.m4 \
174	$(srcdir)/../config/unwind_ipinfo.m4 \
175	$(srcdir)/../config/gthr.m4 \
176	$(srcdir)/../config/sjlj.m4 \
177	$(srcdir)/../config/cet.m4
178
179$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
180	cd $(srcdir) && $(AUTOCONF)
181
182include $(gcc_objdir)/libgcc.mvars
183
184# Flags to pass to recursive makes.
185
186AR_FOR_TARGET = $(AR)
187AR_FLAGS_FOR_TARGET =
188AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
189AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
190AWK = @AWK@
191GCC_FOR_TARGET = $(CC)
192LIPO = @LIPO@
193LIPO_FOR_TARGET = $(LIPO)
194MACHMODE_H = machmode.h mode-classes.def insn-modes.h
195NM = @NM@
196NM_FOR_TARGET = $(NM)
197RANLIB_FOR_TARGET = $(RANLIB)
198STRIP = @STRIP@
199STRIP_FOR_TARGET = $(STRIP)
200
201# Directory in which the compiler finds libraries etc.
202libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@
203# Used to install the shared libgcc.
204slibdir = @slibdir@
205# Maybe used for DLLs on Windows targets.
206toolexecdir = @toolexecdir@
207toolexeclibdir = @toolexeclibdir@
208
209export AR_FOR_TARGET
210export AR_CREATE_FOR_TARGET
211export AR_FLAGS_FOR_TARGET
212export AR_EXTRACT_FOR_TARGET
213export AWK
214export DESTDIR
215export GCC_FOR_TARGET
216export INCLUDES
217export INSTALL_DATA
218export LIB1ASMSRC
219export LIBGCC2_CFLAGS
220export LIPO_FOR_TARGET
221export MACHMODE_H
222export NM_FOR_TARGET
223export STRIP_FOR_TARGET
224export RANLIB_FOR_TARGET
225export libsubdir
226export slibdir
227export toolexecdir
228export toolexeclibdir
229
230version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER)
231
232ifeq ($(decimal_float),yes)
233ifeq ($(enable_decimal_float),bid)
234DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
235else
236DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
237	    -I$(srcdir)/../libdecnumber
238endif
239else
240DECNUMINC =
241endif
242
243# Options to use when compiling libgcc2.a.
244#
245LIBGCC2_DEBUG_CFLAGS = -g
246LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
247		 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
248		 -fbuilding-libgcc -fno-stack-protector \
249		 $(INHIBIT_LIBC_CFLAGS)
250
251# Additional options to use when compiling libgcc2.a.
252# Some targets override this to -isystem include
253LIBGCC2_INCLUDES =
254
255# Additional target-dependent options for compiling libgcc2.a.
256HOST_LIBGCC2_CFLAGS =
257
258PICFLAG = @PICFLAG@
259
260CET_FLAGS = @CET_FLAGS@
261
262# Defined in libgcc2.c, included only in the static library.
263LIB2FUNCS_ST = _eprintf __gcc_bcmp
264
265# List of functions not to build from libgcc2.c.
266LIB2FUNCS_EXCLUDE =
267
268# List of extra C and assembler files to add to static and shared libgcc2.
269# Assembler files should have names ending in `.S'.
270LIB2ADD =
271
272# List of extra C and assembler files to add to static libgcc2.
273# Assembler files should have names ending in `.S'.
274LIB2ADD_ST =
275
276# Specify the directories to be searched for header files.
277# Both . and srcdir are used, in that order,
278# so that *config.h will be found in the compilation
279# subdirectory rather than in the source directory.
280# -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
281# currently being compiled, in both source trees, to be examined as well.
282INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
283	   -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
284	   -I$(srcdir)/../include $(DECNUMINC)
285
286# Forcibly remove any profiling-related flags.  There is no point
287# in supporting profiled bootstrap in this library.
288override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
289
290# CFLAGS first is not perfect; normally setting CFLAGS should override any
291# options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
292# will usually contain -g, so for the moment CFLAGS goes first.  We must
293# include CFLAGS - that's where multilib options live.
294INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
295		  $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
296
297# Options to use when compiling crtbegin/end.
298CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
299  $(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \
300  -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
301  -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
302  $(INHIBIT_LIBC_CFLAGS)
303
304# Extra flags to use when compiling crt{begin,end}.o.
305CRTSTUFF_T_CFLAGS =
306
307MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
308MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
309
310MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
311inst_libdir = $(libsubdir)$(MULTISUBDIR)
312inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
313
314gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
315compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
316gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
317gcc_s_compile = $(gcc_compile) -DSHARED
318
319objects = $(filter %$(objext),$^)
320
321# Collect any host-specific information from Makefile fragments.
322
323LIBGCC_VER_GNU_PREFIX = __
324LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
325LIBGCC_VER_SYMBOLS_PREFIX =
326
327FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
328    _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
329    _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
330    _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
331
332DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
333    _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
334    _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
335    _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
336
337TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
338    _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
339    _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
340    _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
341
342# Additional sources to handle exceptions; overridden by targets as needed.
343LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
344  $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
345LIB2ADDEHSTATIC = $(LIB2ADDEH)
346LIB2ADDEHSHARED = $(LIB2ADDEH)
347
348# nm flags to list global symbols in libgcc object files.
349SHLIB_NM_FLAGS = -pg
350
351# Don't build libunwind by default.
352LIBUNWIND =
353SHLIBUNWIND_LINK =
354SHLIBUNWIND_INSTALL =
355
356
357# Create links to files specified in config.host.
358LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \
359               sfp-machine.h gthr-default.h
360
361enable-execute-stack.c: $(srcdir)/$(enable_execute_stack)
362	-$(LN_S) $< $@
363unwind.h: $(srcdir)/$(unwind_header)
364	-$(LN_S) $< $@
365md-unwind-support.h: $(srcdir)/config/$(md_unwind_header)
366	-$(LN_S) $< $@
367sfp-machine.h: $(srcdir)/config/$(sfp_machine_header)
368	-$(LN_S) $< $@
369gthr-default.h: $(srcdir)/$(thread_header)
370	-$(LN_S) $< $@
371
372tmake_file = @tmake_file@
373include $(srcdir)/empty.mk $(tmake_file)
374
375# Collect target defines and headers from config.host.
376libgcc_tm_defines = @tm_defines@
377libgcc_tm_file = @tm_file@
378libgcc_tm.h: libgcc_tm.stamp; @true
379libgcc_tm.stamp:
380	DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
381		$(srcdir)/mkheader.sh > tmp-libgcc_tm.h
382	$(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
383	echo timestamp > $@
384
385# Only handle shared libraries if both:
386#   - the user requested them
387#   - we know how to build them
388ifeq ($(SHLIB_LINK),)
389  enable_shared := no
390endif
391
392ifeq ($(enable_shared),yes)
393  iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
394
395  install-shared = install-shared
396
397  ifneq ($(LIBUNWIND),)
398    install-libunwind = install-libunwind
399  endif
400endif
401
402# For -fvisibility=hidden.  We need both a -fvisibility=hidden on
403# the command line, and a #define to prevent libgcc2.h etc from
404# overriding that with #pragmas.
405vis_hide = @vis_hide@
406
407ifneq (,$(vis_hide))
408
409# If we have -fvisibility=hidden, then we need to generate hide
410# lists for object files implemented in assembly.
411ASM_HIDDEN_OP = @asm_hidden_op@
412
413define gen-hide-list
414$(NM) -pg $< | \
415  $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
416         && $$3 !~ /.*@.*/ \
417	 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
418mv -f $@T $@
419endef
420else
421gen-hide-list = echo > $@
422endif
423
424ifneq ($(enable_shared),yes)
425iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
426endif
427
428LIB2ADD += enable-execute-stack.c
429
430# While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
431# instead of LIB2ADD because that's the way to be sure on some targets
432# (e.g. *-*-darwin*) only one copy of it is linked.
433LIB2ADDEH += $(srcdir)/emutls.c
434LIB2ADDEHSTATIC += $(srcdir)/emutls.c
435LIB2ADDEHSHARED += $(srcdir)/emutls.c
436
437# Library members defined in libgcc2.c.
438lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2	   \
439	    _clear_cache _trampoline __main _absvsi2 \
440	    _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
441	    _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
442	    _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2	   \
443	    _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2	   \
444	    _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3	   \
445	    _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2	   \
446	    _clrsbdi2
447
448# The floating-point conversion routines that involve a single-word integer.
449# XX stands for the integer mode.
450swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
451
452# Likewise double-word routines.
453dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
454	       $(patsubst %,_fixuns%XX,sf df xf tf) \
455	       $(patsubst %,_floatXX%,sf df xf tf) \
456	       $(patsubst %,_floatunXX%,sf df xf tf)
457
458ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
459  lib2funcs += $(subst XX,si,$(swfloatfuncs))
460  lib2funcs += $(subst XX,di,$(dwfloatfuncs))
461endif
462
463# These might cause a divide overflow trap and so are compiled with
464# unwinder info.
465LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \
466		    _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv
467
468# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
469# defined as optimized assembly code in LIB1ASMFUNCS or as C code
470# in LIB2FUNCS_EXCLUDE.
471lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
472LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
473		       $(LIB2_DIVMOD_FUNCS))
474
475LIB2FUNCS_ST := $(filter-out $(LIB2FUNCS_EXCLUDE),$(LIB2FUNCS_ST))
476
477# Build "libgcc1" (assembly) components.
478
479lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
480$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis
481	$(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis
482$(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
483	$(gen-hide-list)
484libgcc-objects += $(lib1asmfuncs-o)
485
486lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
487$(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC)
488	$(gcc_s_compile) -DL$* -xassembler-with-cpp -c $<
489ifeq ($(enable_shared),yes)
490
491libgcc-s-objects += $(lib1asmfuncs-s-o)
492
493endif
494
495# Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
496lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
497$(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
498	$(gcc_compile) -DL$* -c $< $(vis_hide)
499libgcc-objects += $(lib2funcs-o)
500
501ifeq ($(enable_shared),yes)
502lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
503$(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
504	$(gcc_s_compile) -DL$* -c $<
505libgcc-s-objects += $(lib2funcs-s-o)
506endif
507
508ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
509# Build libgcc2.c for each conversion function, with a specific
510# L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
511# functions are built with a wordsize of 4; the TImode functions are
512# built with the same labels, but a wordsize of 8.
513
514sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
515difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
516tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
517
518iter-items := $(sifuncs) $(difuncs) $(tifuncs)
519iter-labels := $(sifuncs) $(difuncs) $(difuncs)
520iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
521
522include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
523
524libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
525ifeq ($(enable_shared),yes)
526libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
527endif
528endif
529
530ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
531# Provide default flags for compiling divmod functions, if they haven't been
532# set already by a target-specific Makefile fragment.
533LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
534endif
535
536# Build LIB2_DIVMOD_FUNCS.
537lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
538$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
539	$(gcc_compile) -DL$* -c $< \
540	  $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide)
541libgcc-objects += $(lib2-divmod-o)
542
543ifeq ($(enable_shared),yes)
544lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
545$(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
546	$(gcc_s_compile) -DL$* -c $< \
547	  $(LIB2_DIVMOD_EXCEPTION_FLAGS)
548libgcc-s-objects += $(lib2-divmod-s-o)
549endif
550
551ifeq ($(TPBIT),)
552# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
553FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
554DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
555endif
556
557FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS))
558DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS))
559TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS))
560
561fpbit-src := $(srcdir)/fp-bit.c
562
563# Build FPBIT.
564ifneq ($(FPBIT),)
565fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
566$(fpbit-o): %$(objext): $(fpbit-src)
567	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
568libgcc-objects += $(fpbit-o)
569
570ifeq ($(enable_shared),yes)
571fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
572$(fpbit-s-o): %_s$(objext): $(fpbit-src)
573	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS)  -c $<
574libgcc-s-objects += $(fpbit-s-o)
575endif
576endif
577
578# Build DPBIT.
579ifneq ($(DPBIT),)
580dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
581$(dpbit-o): %$(objext): $(fpbit-src)
582	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
583libgcc-objects += $(dpbit-o)
584
585ifeq ($(enable_shared),yes)
586dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
587$(dpbit-s-o): %_s$(objext): $(fpbit-src)
588	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
589libgcc-s-objects += $(dpbit-s-o)
590endif
591endif
592
593# Build TPBIT.
594ifneq ($(TPBIT),)
595tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
596$(tpbit-o): %$(objext): $(fpbit-src)
597	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
598libgcc-objects += $(tpbit-o)
599
600ifeq ($(enable_shared),yes)
601tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
602$(tpbit-s-o): %_s$(objext): $(fpbit-src)
603	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
604libgcc-s-objects += $(tpbit-s-o)
605endif
606endif
607
608# Build decimal floating point support.
609ifeq ($(decimal_float),yes)
610
611# If $DFP_ENABLE is set, then we want all data type sizes.
612ifneq ($(DFP_ENABLE),)
613D32PBIT = 1
614D64PBIT = 1
615D128PBIT = 1
616endif
617
618dfp-filenames =
619ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
620ifeq ($(enable_decimal_float),bid)
621dfp-filenames += bid_decimal_globals bid_decimal_data \
622		 bid_binarydecimal bid_convert_data \
623		 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
624		 bid128_noncomp bid128_fma bid_round bid_from_int \
625		 bid64_add bid128_add bid64_div bid128_div \
626		 bid64_mul bid128_mul bid64_compare bid128_compare \
627		 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
628		 bid64_to_int32 bid64_to_int64 \
629		 bid64_to_uint32 bid64_to_uint64 \
630		 bid128_to_int32 bid128_to_int64 \
631		 bid128_to_uint32 bid128_to_uint64
632else
633dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
634endif
635endif
636
637dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
638ifeq ($(enable_decimal_float),bid)
639$(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
640else
641$(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
642endif
643	$(gcc_compile) -c $<
644libgcc-objects += $(dfp-objects)
645
646decbits-filenames =
647ifneq ($(enable_decimal_float),bid)
648ifneq ($(D32PBIT),)
649decbits-filenames += decimal32
650endif
651
652ifneq ($(D64PBIT),)
653decbits-filenames += decimal64
654endif
655
656ifneq ($(D128PBIT),)
657decbits-filenames += decimal128
658endif
659endif
660
661decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
662ifeq ($(enable_decimal_float),bid)
663$(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
664else
665$(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
666endif
667	$(gcc_compile) -c $<
668libgcc-objects += $(decbits-objects)
669
670# Next build individual support functions.
671D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
672	_eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
673	_sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
674	_si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
675	_sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
676	_sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
677	_sd_to_dd _sd_to_td _unord_sd _conv_sd
678
679D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
680	_eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
681	_dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
682	_si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
683	_dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
684	_sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
685	_dd_to_sd _dd_to_td _unord_dd _conv_dd
686
687D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
688	_eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
689	_td_to_si _td_to_di _td_to_usi _td_to_udi \
690	_si_to_td _di_to_td _usi_to_td _udi_to_td \
691	_td_to_sf _td_to_df _td_to_xf _td_to_tf \
692	_sf_to_td _df_to_td _xf_to_td _tf_to_td \
693	_td_to_sd _td_to_dd _unord_td _conv_td
694
695ifeq ($(enable_decimal_float),bid)
696ifneq ($(D32PBIT),)
697D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
698endif
699
700ifneq ($(D64PBIT),)
701D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
702endif
703
704ifneq ($(D128PBIT),)
705D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
706endif
707endif
708
709ifneq ($(D32PBIT),)
710d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
711ifeq ($(enable_decimal_float),bid)
712$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
713else
714$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
715endif
716	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
717libgcc-objects += $(d32pbit-o)
718endif
719
720ifneq ($(D64PBIT),)
721d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
722ifeq ($(enable_decimal_float),bid)
723$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
724else
725$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
726endif
727	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
728libgcc-objects += $(d64pbit-o)
729endif
730
731ifneq ($(D128PBIT),)
732d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
733ifeq ($(enable_decimal_float),bid)
734$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
735else
736$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
737endif
738	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
739libgcc-objects += $(d128pbit-o)
740endif
741
742endif
743
744ifeq ($(SYNC),yes)
745libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
746			    sync_fetch_and_$(op) \
747			    sync_$(op)_and_fetch) \
748			  sync_bool_compare_and_swap \
749			  sync_val_compare_and_swap \
750			  sync_lock_test_and_set
751
752libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
753			    $(foreach suffix, 1 2 4 8 16, \
754			      $(prefix)_$(suffix)))
755
756libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
757$(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
758	$(gcc_compile) $(SYNC_CFLAGS) \
759	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
760	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
761	  -c $< $(vis_hide)
762libgcc-objects += $(libgcc-sync-size-funcs-o)
763
764libgcc-sync-funcs := sync_synchronize
765
766libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
767$(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
768	$(gcc_compile) $(SYNC_CFLAGS) \
769	  -DL$* \
770	  -c $< $(vis_hide)
771libgcc-objects += $(libgcc-sync-funcs-o)
772
773ifeq ($(enable_shared),yes)
774libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
775			       $(libgcc-sync-size-funcs))
776$(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
777	$(gcc_s_compile) $(SYNC_CFLAGS) \
778	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
779	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
780	  -c $<
781libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
782
783libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
784$(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
785	$(gcc_s_compile) $(SYNC_CFLAGS) \
786	  -DL$*	\
787	  -c $<
788libgcc-s-objects += $(libgcc-sync-funcs-s-o)
789endif
790endif
791
792# Build fixed-point support.
793ifeq ($(fixed_point),yes)
794
795# Generate permutations of function name and mode
796fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
797fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
798fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
799
800# Generate the rules for each arithmetic function
801iter-items := $(fixed-funcs)
802iter-labels := $(fixed-labels)
803iter-from := $(fixed-modes)
804iter-to := $(fixed-modes)
805include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
806
807# Add arithmetic functions to list of objects to be built
808libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
809ifeq ($(enable_shared),yes)
810libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
811endif
812
813# Convert from or to fractional
814fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
815fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
816fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
817fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
818
819# Generate the make rules for each conversion function
820iter-items := $(fixed-conv-funcs)
821iter-labels := $(fixed-conv-labels)
822iter-from := $(fixed-conv-from)
823iter-to := $(fixed-conv-to)
824include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
825
826# Add conversion functions to list of objects to be built
827libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
828ifeq ($(enable_shared),yes)
829libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
830endif
831
832endif
833
834# Build LIB2ADD and LIB2ADD_ST.
835ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
836$(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
837endif
838
839libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
840libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
841
842c_flags :=
843iter-items := $(LIB2ADD) $(LIB2ADD_ST)
844include $(iterator)
845
846ifeq ($(enable_shared),yes)
847libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
848endif
849
850# Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
851# libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
852# LIB2ADDEHSHARED matter.  (Usually all three are identical.)
853
854c_flags := -fexceptions
855
856ifeq ($(enable_shared),yes)
857
858libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
859libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
860
861iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
862include $(iterator)
863
864else
865# Not shared.  LIB2ADDEH are added to libgcc.a.
866
867libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
868
869iter-items := $(LIB2ADDEH)
870include $(iterator)
871
872endif
873
874# Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
875# not generate calls to __gcc_personality_v0.
876
877c_flags := -fno-exceptions
878
879libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
880
881ifeq ($(enable_shared),yes)
882libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
883endif
884
885iter-items := $(LIBUNWIND)
886include $(iterator)
887
888# Build libgcov components.
889
890LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_single			\
891	_gcov_merge_ior _gcov_merge_time_profile _gcov_merge_icall_topn
892LIBGCOV_PROFILER = _gcov_interval_profiler				\
893	_gcov_interval_profiler_atomic					\
894	_gcov_pow2_profiler						\
895	_gcov_pow2_profiler_atomic					\
896	_gcov_one_value_profiler					\
897	_gcov_one_value_profiler_atomic					\
898	_gcov_average_profiler						\
899	_gcov_average_profiler_atomic					\
900	_gcov_ior_profiler						\
901	_gcov_ior_profiler_atomic					\
902	_gcov_indirect_call_profiler_v3					\
903	_gcov_time_profiler						\
904	_gcov_indirect_call_topn_profiler
905LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork			\
906	_gcov_execl _gcov_execlp					\
907	_gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset
908LIBGCOV_DRIVER = _gcov
909
910libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE))
911libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER))
912libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE))
913libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER))
914libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \
915                 $(libgcov-interface-objects) $(libgcov-driver-objects)
916
917$(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
918	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c
919$(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
920	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c
921$(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
922	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c
923$(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \
924  $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
925	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c
926
927
928# Static libraries.
929libgcc.a: $(libgcc-objects)
930libgcov.a: $(libgcov-objects)
931libunwind.a: $(libunwind-objects)
932libgcc_eh.a: $(libgcc-eh-objects)
933
934libgcc.a libgcov.a libunwind.a libgcc_eh.a:
935	-rm -f $@
936
937	objects="$(objects)";					\
938	if test -z "$$objects"; then				\
939	  echo 'int __libgcc_eh_dummy;' > eh_dummy.c;		\
940	  $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c		\
941	     -o eh_dummy$(objext);				\
942	  objects=eh_dummy$(objext);				\
943	fi;							\
944	$(AR_CREATE_FOR_TARGET) $@ $$objects
945
946	$(RANLIB) $@
947
948all: libgcc.a
949ifeq ($(enable_gcov),yes)
950all: libgcov.a
951endif
952
953ifneq ($(LIBUNWIND),)
954all: libunwind.a
955endif
956
957ifeq ($(enable_shared),yes)
958all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
959ifneq ($(LIBUNWIND),)
960all: libunwind$(SHLIB_EXT)
961libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
962endif
963
964# Map-file generation.
965ifneq ($(SHLIB_MKMAP),)
966libgcc.map.in: $(SHLIB_MAPFILES)
967	{ cat $(SHLIB_MAPFILES) \
968	    | sed -e '/^[ 	]*#/d' \
969		  -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
970	    | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
971	} > tmp-$@
972	mv tmp-$@ $@
973libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects)
974	{ $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
975	  cat libgcc.map.in; \
976	} | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
977	mv tmp-$@ $@
978libgcc_s$(SHLIB_EXT): libgcc.map
979mapfile = libgcc.map
980endif
981
982libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
983	sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
984	    -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
985
986libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a
987	# @multilib_flags@ is still needed because this may use
988	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
989	# @multilib_dir@ is not really necessary, but sometimes it has
990	# more uses than just a directory name.
991	$(mkinstalldirs) $(MULTIDIR)
992	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
993		@multilib_dir@,$(MULTIDIR),$(subst \
994		@shlib_objs@,$(objects) libgcc.a,$(subst \
995		@shlib_base_name@,libgcc_s,$(subst \
996		@shlib_map_file@,$(mapfile),$(subst \
997		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
998		@shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
999
1000libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
1001	# @multilib_flags@ is still needed because this may use
1002	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
1003	# @multilib_dir@ is not really necessary, but sometimes it has
1004	# more uses than just a directory name.
1005	$(mkinstalldirs) $(MULTIDIR)
1006	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
1007		@multilib_dir@,$(MULTIDIR),$(subst \
1008		@shlib_objs@,$(objects),$(subst \
1009		@shlib_base_name@,libunwind,$(subst \
1010		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
1011
1012endif
1013
1014# Build the standard GCC startfiles and endfiles.
1015ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
1016crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
1017
1018ifeq ($(CUSTOM_CRTSTUFF),)
1019# Compile two additional files that are linked with every program
1020# linked using GCC on systems using COFF or ELF, for the sake of C++
1021# constructors.
1022crtbegin$(objext): $(srcdir)/crtstuff.c
1023	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1024
1025crtend$(objext): $(srcdir)/crtstuff.c
1026	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1027
1028# These are versions of crtbegin and crtend for shared libraries.
1029crtbeginS$(objext): $(srcdir)/crtstuff.c
1030	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
1031
1032crtendS$(objext): $(srcdir)/crtstuff.c
1033	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
1034
1035# This is a version of crtbegin for -static links.
1036crtbeginT$(objext): $(srcdir)/crtstuff.c
1037	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
1038
1039# crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and
1040# the end of tables with addresses, required for offloading.  crtoffloadtable
1041# contains the array with addresses of those symbols.
1042crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c
1043	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1044
1045crtoffloadend$(objext): $(srcdir)/offloadstuff.c
1046	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1047
1048crtoffloadtable$(objext): $(srcdir)/offloadstuff.c
1049	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE
1050endif
1051
1052ifeq ($(enable_vtable_verify),yes)
1053# These are used in vtable verification; see comments in source files for
1054# more details.
1055
1056# Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv
1057# compilations.
1058VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive
1059
1060vtv_start$(objext): $(srcdir)/vtv_start.c
1061	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c
1062
1063vtv_end$(objext): $(srcdir)/vtv_end.c
1064	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c
1065
1066vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
1067	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c
1068
1069vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
1070	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c
1071endif
1072
1073ifeq ($(CUSTOM_CRTIN),)
1074# -x assembler-with-cpp is only needed on case-insensitive filesystem.
1075crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
1076	$(crt_compile) -c -x assembler-with-cpp $<
1077
1078crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
1079	$(crt_compile) -c -x assembler-with-cpp $<
1080endif
1081
1082# Build extra startfiles in the libgcc directory.
1083.PHONY: libgcc-extra-parts
1084libgcc-extra-parts: $(EXTRA_PARTS)
1085
1086	# Early copyback; see "all" above for the rationale.  The
1087	# early copy is necessary so that the gcc -B options find
1088	# the right startup files when linking shared libgcc.
1089	$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
1090	parts="$(EXTRA_PARTS)";					\
1091	for file in $$parts; do					\
1092	  rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;		\
1093	  $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;	\
1094	  case $$file in 					\
1095	    *.a)						\
1096	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1097	  esac;							\
1098	done
1099
1100all: $(extra-parts)
1101
1102$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1103	$(libgcov-objects) \
1104	$(libunwind-objects) $(libunwind-s-objects) \
1105	$(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h
1106
1107# Copy unwind.h to the place where gcc will look for it at build-time
1108install-unwind_h-forbuild: unwind.h
1109	dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1110	cp unwind.h $$dest; \
1111	chmod a+r $$dest; \
1112	sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1113
1114# Copy unwind.h to the place where gcc will look at run-time, once installed
1115#
1116# This is redundant with the internal copy above when using a regular toplevel
1117# "install" target, because gcc's install will copy to the destination as well.
1118#
1119# This is however useful for "install-no-fixincludes" case, when only the gcc
1120# internal headers are copied by gcc's install.
1121install-unwind_h:
1122	$(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1123	$(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1124
1125all: install-unwind_h-forbuild
1126
1127install-gcov_h:
1128	$(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1129	$(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include
1130
1131# Documentation targets (empty).
1132.PHONY: info html dvi pdf install-info install-html install-pdf
1133
1134info:
1135install-info:
1136html:
1137install-html:
1138dvi:
1139pdf:
1140install-pdf:
1141
1142# Install rules.  These do not depend on "all", so that they can be invoked
1143# recursively from it.
1144install-libunwind:
1145	$(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1146
1147	# NOTE: Maybe this should go into $(inst_libdir), but this
1148	# is where the old mklibgcc.in put it.
1149	$(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1150	chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1151	$(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1152
1153	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1154		@shlib_base_name@,libunwind,$(subst \
1155		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1156
1157install-shared:
1158	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1159
1160	$(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1161	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1162	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1163
1164	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1165		@shlib_base_name@,libgcc_s,$(subst \
1166		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1167
1168install-leaf: $(install-shared) $(install-libunwind)
1169	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1170
1171	$(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1172	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1173	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1174ifeq ($(enable_gcov),yes)
1175	$(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1176	chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1177	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1178endif
1179
1180	parts="$(INSTALL_PARTS)";				\
1181	for file in $$parts; do					\
1182	  rm -f $(DESTDIR)$(inst_libdir)/$$file;		\
1183	  $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;	\
1184	  case $$file in 					\
1185	    *.a)						\
1186	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1187	  esac;							\
1188	done
1189
1190install: install-leaf install-unwind_h install-gcov_h
1191	@: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1192
1193install-strip: install
1194
1195.PHONY: install install-shared install-libunwind install-strip
1196.PHONY: install-unwind_h install-unwind_h-forbuild
1197.PHONY: install-gcov_h
1198
1199# Don't export variables to the environment, in order to not confuse
1200# configure.
1201.NOEXPORT:
1202
1203include $(srcdir)/empty.mk $(wildcard *.dep)
1204