1# Makefile.in
2
3# Copyright (C) 2005-2020 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/toolexeclibdir.m4 \
169	$(srcdir)/../config/acx.m4 \
170	$(srcdir)/../config/no-executables.m4 \
171	$(srcdir)/../config/lib-ld.m4 \
172	$(srcdir)/../config/override.m4 \
173	$(srcdir)/../config/picflag.m4 \
174	$(srcdir)/../config/dfp.m4 \
175	$(srcdir)/../config/unwind_ipinfo.m4 \
176	$(srcdir)/../config/gthr.m4 \
177	$(srcdir)/../config/sjlj.m4 \
178	$(srcdir)/../config/cet.m4
179
180$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
181	cd $(srcdir) && $(AUTOCONF)
182
183include $(gcc_objdir)/libgcc.mvars
184
185# Flags to pass to recursive makes.
186
187AR_FOR_TARGET = $(AR)
188AR_FLAGS_FOR_TARGET =
189AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
190AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
191AWK = @AWK@
192GCC_FOR_TARGET = $(CC)
193LIPO = @LIPO@
194LIPO_FOR_TARGET = $(LIPO)
195MACHMODE_H = machmode.h mode-classes.def insn-modes.h
196NM = @NM@
197NM_FOR_TARGET = $(NM)
198RANLIB_FOR_TARGET = $(RANLIB)
199STRIP = @STRIP@
200STRIP_FOR_TARGET = $(STRIP)
201
202# Directory in which the compiler finds libraries etc.
203libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@
204# Used to install the shared libgcc.
205slibdir = @slibdir@
206# Maybe used for DLLs on Windows targets.
207toolexecdir = @toolexecdir@
208toolexeclibdir = @toolexeclibdir@
209
210export AR_FOR_TARGET
211export AR_CREATE_FOR_TARGET
212export AR_FLAGS_FOR_TARGET
213export AR_EXTRACT_FOR_TARGET
214export AWK
215export DESTDIR
216export GCC_FOR_TARGET
217export INCLUDES
218export INSTALL_DATA
219export LIB1ASMSRC
220export LIBGCC2_CFLAGS
221export LIPO_FOR_TARGET
222export MACHMODE_H
223export NM_FOR_TARGET
224export STRIP_FOR_TARGET
225export RANLIB_FOR_TARGET
226export libsubdir
227export slibdir
228export toolexecdir
229export toolexeclibdir
230
231version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER)
232
233ifeq ($(decimal_float),yes)
234ifeq ($(enable_decimal_float),bid)
235DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
236else
237DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
238	    -I$(srcdir)/../libdecnumber
239endif
240else
241DECNUMINC =
242endif
243
244# Options to use when compiling libgcc2.a.
245#
246LIBGCC2_DEBUG_CFLAGS = -g
247LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
248		 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
249		 -fbuilding-libgcc -fno-stack-protector \
250		 $(INHIBIT_LIBC_CFLAGS)
251
252# Additional options to use when compiling libgcc2.a.
253# Some targets override this to -isystem include
254LIBGCC2_INCLUDES =
255
256# Additional target-dependent options for compiling libgcc2.a.
257HOST_LIBGCC2_CFLAGS =
258
259PICFLAG = @PICFLAG@
260
261CET_FLAGS = @CET_FLAGS@
262
263USE_TM_CLONE_REGISTRY = @use_tm_clone_registry@
264
265# Defined in libgcc2.c, included only in the static library.
266LIB2FUNCS_ST = _eprintf __gcc_bcmp
267
268# List of functions not to build from libgcc2.c.
269LIB2FUNCS_EXCLUDE =
270
271# List of extra C and assembler files to add to static and shared libgcc2.
272# Assembler files should have names ending in `.S'.
273LIB2ADD =
274
275# List of extra C and assembler files to add to static libgcc2.
276# Assembler files should have names ending in `.S'.
277LIB2ADD_ST =
278
279# Specify the directories to be searched for header files.
280# Both . and srcdir are used, in that order,
281# so that *config.h will be found in the compilation
282# subdirectory rather than in the source directory.
283# -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
284# currently being compiled, in both source trees, to be examined as well.
285INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
286	   -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
287	   -I$(srcdir)/../include $(DECNUMINC)
288
289# Forcibly remove any profiling-related flags.  There is no point
290# in supporting profiled bootstrap in this library.
291override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
292
293# CFLAGS first is not perfect; normally setting CFLAGS should override any
294# options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
295# will usually contain -g, so for the moment CFLAGS goes first.  We must
296# include CFLAGS - that's where multilib options live.
297INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
298		  $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
299
300# Options to use when compiling crtbegin/end.
301CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
302  $(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \
303  -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
304  -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
305  $(INHIBIT_LIBC_CFLAGS) $(USE_TM_CLONE_REGISTRY)
306
307# Extra flags to use when compiling crt{begin,end}.o.
308CRTSTUFF_T_CFLAGS =
309
310MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
311MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
312
313MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
314inst_libdir = $(libsubdir)$(MULTISUBDIR)
315inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
316
317gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
318compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
319gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
320gcc_s_compile = $(gcc_compile) -DSHARED
321
322objects = $(filter %$(objext),$^)
323
324# Collect any host-specific information from Makefile fragments.
325
326LIBGCC_VER_GNU_PREFIX = __
327LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
328LIBGCC_VER_SYMBOLS_PREFIX =
329
330FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
331    _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
332    _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
333    _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
334
335DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
336    _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
337    _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
338    _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
339
340TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
341    _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
342    _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
343    _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
344
345# Additional sources to handle exceptions; overridden by targets as needed.
346LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
347  $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
348LIB2ADDEHSTATIC = $(LIB2ADDEH)
349LIB2ADDEHSHARED = $(LIB2ADDEH)
350
351# nm flags to list global symbols in libgcc object files.
352SHLIB_NM_FLAGS = -pg
353
354# Don't build libunwind by default.
355LIBUNWIND =
356SHLIBUNWIND_LINK =
357SHLIBUNWIND_INSTALL =
358
359
360# Create links to files specified in config.host.
361LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \
362               sfp-machine.h gthr-default.h
363
364enable-execute-stack.c: $(srcdir)/$(enable_execute_stack)
365	-$(LN_S) $< $@
366unwind.h: $(srcdir)/$(unwind_header)
367	-$(LN_S) $< $@
368md-unwind-support.h: $(srcdir)/config/$(md_unwind_header)
369	-$(LN_S) $< $@
370sfp-machine.h: $(srcdir)/config/$(sfp_machine_header)
371	-$(LN_S) $< $@
372gthr-default.h: $(srcdir)/$(thread_header)
373	-$(LN_S) $< $@
374
375tmake_file = @tmake_file@
376include $(srcdir)/empty.mk $(tmake_file)
377
378# Collect target defines and headers from config.host.
379libgcc_tm_defines = @tm_defines@
380libgcc_tm_file = @tm_file@
381libgcc_tm.h: libgcc_tm.stamp; @true
382libgcc_tm.stamp:
383	DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
384		$(srcdir)/mkheader.sh > tmp-libgcc_tm.h
385	$(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
386	echo timestamp > $@
387
388# Only handle shared libraries if both:
389#   - the user requested them
390#   - we know how to build them
391ifeq ($(SHLIB_LINK),)
392  enable_shared := no
393endif
394
395ifeq ($(enable_shared),yes)
396  iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
397
398  install-shared = install-shared
399
400  ifneq ($(LIBUNWIND),)
401    install-libunwind = install-libunwind
402  endif
403endif
404
405# For -fvisibility=hidden.  We need both a -fvisibility=hidden on
406# the command line, and a #define to prevent libgcc2.h etc from
407# overriding that with #pragmas.
408vis_hide = @vis_hide@
409
410ifneq (,$(vis_hide))
411
412# If we have -fvisibility=hidden, then we need to generate hide
413# lists for object files implemented in assembly.
414ASM_HIDDEN_OP = @asm_hidden_op@
415
416define gen-hide-list
417$(NM) -pg $< | \
418  $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
419         && $$3 !~ /.*@.*/ \
420	 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
421mv -f $@T $@
422endef
423else
424gen-hide-list = echo > $@
425endif
426
427ifneq ($(enable_shared),yes)
428iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
429endif
430
431LIB2ADD += enable-execute-stack.c
432
433# While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
434# instead of LIB2ADD because that's the way to be sure on some targets
435# (e.g. *-*-darwin*) only one copy of it is linked.
436LIB2ADDEH += $(srcdir)/emutls.c
437LIB2ADDEHSTATIC += $(srcdir)/emutls.c
438LIB2ADDEHSHARED += $(srcdir)/emutls.c
439
440# Library members defined in libgcc2.c.
441lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2	   \
442	    _clear_cache _trampoline __main _absvsi2 \
443	    _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
444	    _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
445	    _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2	   \
446	    _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2	   \
447	    _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3	   \
448	    _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2	   \
449	    _clrsbdi2
450
451# The floating-point conversion routines that involve a single-word integer.
452# XX stands for the integer mode.
453swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
454
455# Likewise double-word routines.
456dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
457	       $(patsubst %,_fixuns%XX,sf df xf tf) \
458	       $(patsubst %,_floatXX%,sf df xf tf) \
459	       $(patsubst %,_floatunXX%,sf df xf tf)
460
461ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
462  lib2funcs += $(subst XX,si,$(swfloatfuncs))
463  lib2funcs += $(subst XX,di,$(dwfloatfuncs))
464endif
465
466# These might cause a divide overflow trap and so are compiled with
467# unwinder info.
468LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \
469		    _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv
470
471# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
472# defined as optimized assembly code in LIB1ASMFUNCS or as C code
473# in LIB2FUNCS_EXCLUDE.
474lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
475LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
476		       $(LIB2_DIVMOD_FUNCS))
477
478LIB2FUNCS_ST := $(filter-out $(LIB2FUNCS_EXCLUDE),$(LIB2FUNCS_ST))
479
480# Build "libgcc1" (assembly) components.
481
482lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
483$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis
484	$(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis
485$(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
486	$(gen-hide-list)
487libgcc-objects += $(lib1asmfuncs-o)
488
489lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
490$(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC)
491	$(gcc_s_compile) -DL$* -xassembler-with-cpp -c $<
492ifeq ($(enable_shared),yes)
493
494libgcc-s-objects += $(lib1asmfuncs-s-o)
495
496endif
497
498# Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
499lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
500$(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
501	$(gcc_compile) -DL$* -c $< $(vis_hide)
502libgcc-objects += $(lib2funcs-o)
503
504ifeq ($(enable_shared),yes)
505lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
506$(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
507	$(gcc_s_compile) -DL$* -c $<
508libgcc-s-objects += $(lib2funcs-s-o)
509endif
510
511ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
512# Build libgcc2.c for each conversion function, with a specific
513# L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
514# functions are built with a wordsize of 4; the TImode functions are
515# built with the same labels, but a wordsize of 8.
516
517sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
518difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
519tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
520
521iter-items := $(sifuncs) $(difuncs) $(tifuncs)
522iter-labels := $(sifuncs) $(difuncs) $(difuncs)
523iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
524
525include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
526
527libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
528ifeq ($(enable_shared),yes)
529libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
530endif
531endif
532
533ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
534# Provide default flags for compiling divmod functions, if they haven't been
535# set already by a target-specific Makefile fragment.
536LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
537endif
538
539# Build LIB2_DIVMOD_FUNCS.
540lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
541$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
542	$(gcc_compile) -DL$* -c $< \
543	  $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide)
544libgcc-objects += $(lib2-divmod-o)
545
546ifeq ($(enable_shared),yes)
547lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
548$(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
549	$(gcc_s_compile) -DL$* -c $< \
550	  $(LIB2_DIVMOD_EXCEPTION_FLAGS)
551libgcc-s-objects += $(lib2-divmod-s-o)
552endif
553
554ifeq ($(TPBIT),)
555# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
556FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
557DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
558endif
559
560FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS))
561DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS))
562TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS))
563
564fpbit-src := $(srcdir)/fp-bit.c
565
566# Build FPBIT.
567ifneq ($(FPBIT),)
568fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
569$(fpbit-o): %$(objext): $(fpbit-src)
570	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
571libgcc-objects += $(fpbit-o)
572
573ifeq ($(enable_shared),yes)
574fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
575$(fpbit-s-o): %_s$(objext): $(fpbit-src)
576	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS)  -c $<
577libgcc-s-objects += $(fpbit-s-o)
578endif
579endif
580
581# Build DPBIT.
582ifneq ($(DPBIT),)
583dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
584$(dpbit-o): %$(objext): $(fpbit-src)
585	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
586libgcc-objects += $(dpbit-o)
587
588ifeq ($(enable_shared),yes)
589dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
590$(dpbit-s-o): %_s$(objext): $(fpbit-src)
591	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
592libgcc-s-objects += $(dpbit-s-o)
593endif
594endif
595
596# Build TPBIT.
597ifneq ($(TPBIT),)
598tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
599$(tpbit-o): %$(objext): $(fpbit-src)
600	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
601libgcc-objects += $(tpbit-o)
602
603ifeq ($(enable_shared),yes)
604tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
605$(tpbit-s-o): %_s$(objext): $(fpbit-src)
606	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
607libgcc-s-objects += $(tpbit-s-o)
608endif
609endif
610
611# Build decimal floating point support.
612ifeq ($(decimal_float),yes)
613
614# If $DFP_ENABLE is set, then we want all data type sizes.
615ifneq ($(DFP_ENABLE),)
616D32PBIT = 1
617D64PBIT = 1
618D128PBIT = 1
619endif
620
621dfp-filenames =
622ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
623ifeq ($(enable_decimal_float),bid)
624dfp-filenames += bid_decimal_globals bid_decimal_data \
625		 bid_binarydecimal bid_convert_data \
626		 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
627		 bid128_noncomp bid128_fma bid_round bid_from_int \
628		 bid64_add bid128_add bid64_div bid128_div \
629		 bid64_mul bid128_mul bid64_compare bid128_compare \
630		 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
631		 bid64_to_int32 bid64_to_int64 \
632		 bid64_to_uint32 bid64_to_uint64 \
633		 bid128_to_int32 bid128_to_int64 \
634		 bid128_to_uint32 bid128_to_uint64
635else
636dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
637endif
638endif
639
640dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
641ifeq ($(enable_decimal_float),bid)
642$(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
643else
644$(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
645endif
646	$(gcc_compile) -c $<
647libgcc-objects += $(dfp-objects)
648
649decbits-filenames =
650ifneq ($(enable_decimal_float),bid)
651ifneq ($(D32PBIT),)
652decbits-filenames += decimal32
653endif
654
655ifneq ($(D64PBIT),)
656decbits-filenames += decimal64
657endif
658
659ifneq ($(D128PBIT),)
660decbits-filenames += decimal128
661endif
662endif
663
664decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
665ifeq ($(enable_decimal_float),bid)
666$(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
667else
668$(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
669endif
670	$(gcc_compile) -c $<
671libgcc-objects += $(decbits-objects)
672
673# Next build individual support functions.
674D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
675	_eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
676	_sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
677	_si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
678	_sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
679	_sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
680	_sd_to_dd _sd_to_td _unord_sd _conv_sd
681
682D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
683	_eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
684	_dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
685	_si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
686	_dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
687	_sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
688	_dd_to_sd _dd_to_td _unord_dd _conv_dd
689
690D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
691	_eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
692	_td_to_si _td_to_di _td_to_usi _td_to_udi \
693	_si_to_td _di_to_td _usi_to_td _udi_to_td \
694	_td_to_sf _td_to_df _td_to_xf _td_to_tf \
695	_sf_to_td _df_to_td _xf_to_td _tf_to_td \
696	_td_to_sd _td_to_dd _unord_td _conv_td
697
698ifeq ($(enable_decimal_float),bid)
699ifneq ($(D32PBIT),)
700D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
701endif
702
703ifneq ($(D64PBIT),)
704D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
705endif
706
707ifneq ($(D128PBIT),)
708D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
709endif
710endif
711
712ifneq ($(D32PBIT),)
713d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
714ifeq ($(enable_decimal_float),bid)
715$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
716else
717$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
718endif
719	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
720libgcc-objects += $(d32pbit-o)
721endif
722
723ifneq ($(D64PBIT),)
724d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
725ifeq ($(enable_decimal_float),bid)
726$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
727else
728$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
729endif
730	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
731libgcc-objects += $(d64pbit-o)
732endif
733
734ifneq ($(D128PBIT),)
735d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
736ifeq ($(enable_decimal_float),bid)
737$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
738else
739$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
740endif
741	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
742libgcc-objects += $(d128pbit-o)
743endif
744
745endif
746
747ifeq ($(SYNC),yes)
748libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
749			    sync_fetch_and_$(op) \
750			    sync_$(op)_and_fetch) \
751			  sync_bool_compare_and_swap \
752			  sync_val_compare_and_swap \
753			  sync_lock_test_and_set
754
755libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
756			    $(foreach suffix, 1 2 4 8 16, \
757			      $(prefix)_$(suffix)))
758
759libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
760$(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
761	$(gcc_compile) $(SYNC_CFLAGS) \
762	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
763	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
764	  -c $< $(vis_hide)
765libgcc-objects += $(libgcc-sync-size-funcs-o)
766
767libgcc-sync-funcs := sync_synchronize
768
769libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
770$(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
771	$(gcc_compile) $(SYNC_CFLAGS) \
772	  -DL$* \
773	  -c $< $(vis_hide)
774libgcc-objects += $(libgcc-sync-funcs-o)
775
776ifeq ($(enable_shared),yes)
777libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
778			       $(libgcc-sync-size-funcs))
779$(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
780	$(gcc_s_compile) $(SYNC_CFLAGS) \
781	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
782	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
783	  -c $<
784libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
785
786libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
787$(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
788	$(gcc_s_compile) $(SYNC_CFLAGS) \
789	  -DL$*	\
790	  -c $<
791libgcc-s-objects += $(libgcc-sync-funcs-s-o)
792endif
793endif
794
795# Build fixed-point support.
796ifeq ($(fixed_point),yes)
797
798# Generate permutations of function name and mode
799fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
800fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
801fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
802
803# Generate the rules for each arithmetic function
804iter-items := $(fixed-funcs)
805iter-labels := $(fixed-labels)
806iter-from := $(fixed-modes)
807iter-to := $(fixed-modes)
808include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
809
810# Add arithmetic functions to list of objects to be built
811libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
812ifeq ($(enable_shared),yes)
813libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
814endif
815
816# Convert from or to fractional
817fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
818fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
819fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
820fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
821
822# Generate the make rules for each conversion function
823iter-items := $(fixed-conv-funcs)
824iter-labels := $(fixed-conv-labels)
825iter-from := $(fixed-conv-from)
826iter-to := $(fixed-conv-to)
827include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
828
829# Add conversion functions to list of objects to be built
830libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
831ifeq ($(enable_shared),yes)
832libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
833endif
834
835endif
836
837# Build LIB2ADD and LIB2ADD_ST.
838ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
839$(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
840endif
841
842libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
843libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
844
845c_flags :=
846iter-items := $(LIB2ADD) $(LIB2ADD_ST)
847include $(iterator)
848
849ifeq ($(enable_shared),yes)
850libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
851endif
852
853# Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
854# libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
855# LIB2ADDEHSHARED matter.  (Usually all three are identical.)
856
857c_flags := -fexceptions
858
859ifeq ($(enable_shared),yes)
860
861libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
862libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
863
864iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
865include $(iterator)
866
867else
868# Not shared.  LIB2ADDEH are added to libgcc.a.
869
870libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
871
872iter-items := $(LIB2ADDEH)
873include $(iterator)
874
875endif
876
877# Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
878# not generate calls to __gcc_personality_v0.
879
880c_flags := -fno-exceptions
881
882libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
883
884ifeq ($(enable_shared),yes)
885libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
886endif
887
888iter-items := $(LIBUNWIND)
889include $(iterator)
890
891# Build libgcov components.
892
893LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_topn			\
894	_gcov_merge_ior _gcov_merge_time_profile
895LIBGCOV_PROFILER = _gcov_interval_profiler				\
896	_gcov_interval_profiler_atomic					\
897	_gcov_pow2_profiler						\
898	_gcov_pow2_profiler_atomic					\
899	_gcov_topn_values_profiler					\
900	_gcov_topn_values_profiler_atomic					\
901	_gcov_average_profiler						\
902	_gcov_average_profiler_atomic					\
903	_gcov_ior_profiler						\
904	_gcov_ior_profiler_atomic					\
905	_gcov_indirect_call_profiler_v4					\
906	_gcov_time_profiler
907LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork			\
908	_gcov_execl _gcov_execlp					\
909	_gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset
910LIBGCOV_DRIVER = _gcov
911
912libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE))
913libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER))
914libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE))
915libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER))
916libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \
917                 $(libgcov-interface-objects) $(libgcov-driver-objects)
918
919$(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
920	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c
921$(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
922	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c
923$(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
924	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c
925$(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \
926  $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h
927	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c
928
929
930# Static libraries.
931libgcc.a: $(libgcc-objects)
932libgcov.a: $(libgcov-objects)
933libunwind.a: $(libunwind-objects)
934libgcc_eh.a: $(libgcc-eh-objects)
935
936libgcc.a libgcov.a libunwind.a libgcc_eh.a:
937	-rm -f $@
938
939	objects="$(objects)";					\
940	if test -z "$$objects"; then				\
941	  echo 'int __libgcc_eh_dummy;' > eh_dummy.c;		\
942	  $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c		\
943	     -o eh_dummy$(objext);				\
944	  objects=eh_dummy$(objext);				\
945	fi;							\
946	$(AR_CREATE_FOR_TARGET) $@ $$objects
947
948	$(RANLIB) $@
949
950all: libgcc.a
951ifeq ($(enable_gcov),yes)
952all: libgcov.a
953endif
954
955ifneq ($(LIBUNWIND),)
956all: libunwind.a
957endif
958
959ifeq ($(enable_shared),yes)
960all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
961ifneq ($(LIBUNWIND),)
962all: libunwind$(SHLIB_EXT)
963libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
964endif
965
966# Map-file generation.
967ifneq ($(SHLIB_MKMAP),)
968libgcc.map.in: $(SHLIB_MAPFILES)
969	{ cat $(SHLIB_MAPFILES) \
970	    | sed -e '/^[ 	]*#/d' \
971		  -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
972	    | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
973	} > tmp-$@
974	mv tmp-$@ $@
975libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects)
976	{ $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
977	  cat libgcc.map.in; \
978	} | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
979	mv tmp-$@ $@
980libgcc_s$(SHLIB_EXT): libgcc.map
981mapfile = libgcc.map
982endif
983
984libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
985	sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
986	    -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
987
988libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a
989	# @multilib_flags@ is still needed because this may use
990	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
991	# @multilib_dir@ is not really necessary, but sometimes it has
992	# more uses than just a directory name.
993	$(mkinstalldirs) $(MULTIDIR)
994	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
995		@multilib_dir@,$(MULTIDIR),$(subst \
996		@shlib_objs@,$(objects) libgcc.a,$(subst \
997		@shlib_base_name@,libgcc_s,$(subst \
998		@shlib_map_file@,$(mapfile),$(subst \
999		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
1000		@shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
1001
1002libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
1003	# @multilib_flags@ is still needed because this may use
1004	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
1005	# @multilib_dir@ is not really necessary, but sometimes it has
1006	# more uses than just a directory name.
1007	$(mkinstalldirs) $(MULTIDIR)
1008	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
1009		@multilib_dir@,$(MULTIDIR),$(subst \
1010		@shlib_objs@,$(objects),$(subst \
1011		@shlib_base_name@,libunwind,$(subst \
1012		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
1013
1014endif
1015
1016# Build the standard GCC startfiles and endfiles.
1017ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
1018crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
1019
1020ifeq ($(CUSTOM_CRTSTUFF),)
1021# Compile two additional files that are linked with every program
1022# linked using GCC on systems using COFF or ELF, for the sake of C++
1023# constructors.
1024crtbegin$(objext): $(srcdir)/crtstuff.c
1025	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1026
1027crtend$(objext): $(srcdir)/crtstuff.c
1028	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1029
1030# These are versions of crtbegin and crtend for shared libraries.
1031crtbeginS$(objext): $(srcdir)/crtstuff.c
1032	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
1033
1034crtendS$(objext): $(srcdir)/crtstuff.c
1035	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
1036
1037# This is a version of crtbegin for -static links.
1038crtbeginT$(objext): $(srcdir)/crtstuff.c
1039	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
1040
1041# crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and
1042# the end of tables with addresses, required for offloading.  crtoffloadtable
1043# contains the array with addresses of those symbols.
1044crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c
1045	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1046
1047crtoffloadend$(objext): $(srcdir)/offloadstuff.c
1048	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1049
1050crtoffloadtable$(objext): $(srcdir)/offloadstuff.c
1051	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE
1052endif
1053
1054ifeq ($(enable_vtable_verify),yes)
1055# These are used in vtable verification; see comments in source files for
1056# more details.
1057
1058# Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv
1059# compilations.
1060VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive
1061
1062vtv_start$(objext): $(srcdir)/vtv_start.c
1063	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c
1064
1065vtv_end$(objext): $(srcdir)/vtv_end.c
1066	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c
1067
1068vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
1069	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c
1070
1071vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
1072	$(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c
1073endif
1074
1075ifeq ($(CUSTOM_CRTIN),)
1076# -x assembler-with-cpp is only needed on case-insensitive filesystem.
1077crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
1078	$(crt_compile) -c -x assembler-with-cpp $<
1079
1080crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
1081	$(crt_compile) -c -x assembler-with-cpp $<
1082endif
1083
1084# Build extra startfiles in the libgcc directory.
1085.PHONY: libgcc-extra-parts
1086libgcc-extra-parts: $(EXTRA_PARTS)
1087
1088	# Early copyback; see "all" above for the rationale.  The
1089	# early copy is necessary so that the gcc -B options find
1090	# the right startup files when linking shared libgcc.
1091	$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
1092	parts="$(EXTRA_PARTS)";					\
1093	for file in $$parts; do					\
1094	  rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;		\
1095	  $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;	\
1096	  case $$file in 					\
1097	    *.a)						\
1098	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1099	  esac;							\
1100	done
1101
1102all: $(extra-parts)
1103
1104$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1105	$(libgcov-objects) \
1106	$(libunwind-objects) $(libunwind-s-objects) \
1107	$(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h
1108
1109# Copy unwind.h to the place where gcc will look for it at build-time
1110install-unwind_h-forbuild: unwind.h
1111	dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1112	cp unwind.h $$dest; \
1113	chmod a+r $$dest; \
1114	sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1115
1116# Copy unwind.h to the place where gcc will look at run-time, once installed
1117#
1118# This is redundant with the internal copy above when using a regular toplevel
1119# "install" target, because gcc's install will copy to the destination as well.
1120#
1121# This is however useful for "install-no-fixincludes" case, when only the gcc
1122# internal headers are copied by gcc's install.
1123install-unwind_h:
1124	$(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1125	$(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1126
1127all: install-unwind_h-forbuild
1128
1129install-gcov_h:
1130	$(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1131	$(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include
1132
1133# Documentation targets (empty).
1134.PHONY: info html dvi pdf install-info install-html install-pdf
1135
1136info:
1137install-info:
1138html:
1139install-html:
1140dvi:
1141pdf:
1142install-pdf:
1143
1144# Install rules.  These do not depend on "all", so that they can be invoked
1145# recursively from it.
1146install-libunwind:
1147	$(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1148
1149	# NOTE: Maybe this should go into $(inst_libdir), but this
1150	# is where the old mklibgcc.in put it.
1151	$(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1152	chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1153	$(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1154
1155	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1156		@shlib_base_name@,libunwind,$(subst \
1157		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1158
1159install-shared:
1160	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1161
1162	$(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1163	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1164	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1165
1166	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1167		@shlib_base_name@,libgcc_s,$(subst \
1168		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1169
1170install-leaf: $(install-shared) $(install-libunwind)
1171	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1172
1173	$(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1174	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1175	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1176ifeq ($(enable_gcov),yes)
1177	$(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1178	chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1179	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1180endif
1181
1182	parts="$(INSTALL_PARTS)";				\
1183	for file in $$parts; do					\
1184	  rm -f $(DESTDIR)$(inst_libdir)/$$file;		\
1185	  $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;	\
1186	  case $$file in 					\
1187	    *.a)						\
1188	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1189	  esac;							\
1190	done
1191
1192install: install-leaf install-unwind_h install-gcov_h
1193	@: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1194
1195install-strip: install
1196
1197.PHONY: install install-shared install-libunwind install-strip
1198.PHONY: install-unwind_h install-unwind_h-forbuild
1199.PHONY: install-gcov_h
1200
1201# Don't export variables to the environment, in order to not confuse
1202# configure.
1203.NOEXPORT:
1204
1205include $(srcdir)/empty.mk $(wildcard *.dep)
1206