1# Makefile.in
2
3# Copyright (C) 2005-2015 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@
46
47host_noncanonical = @host_noncanonical@
48target_noncanonical = @target_noncanonical@
49
50# List of extra object files that should be compiled for this target machine.
51# The rules for compiling them should be in the t-* file for the machine.
52EXTRA_PARTS = @extra_parts@
53
54FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@
55
56extra-parts = libgcc-extra-parts
57
58# Multilib support variables.
59MULTISRCTOP =
60MULTIBUILDTOP =
61MULTIDIRS =
62MULTISUBDIR =
63MULTIDO = true
64MULTICLEAN = true
65
66INSTALL = @INSTALL@
67INSTALL_PROGRAM = @INSTALL_PROGRAM@
68INSTALL_DATA = @INSTALL_DATA@
69mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
70INSTALL_PARTS = $(EXTRA_PARTS)
71
72objext = .o
73
74AR = @AR@
75AR_FLAGS = rc
76
77CC = @CC@
78CFLAGS = @CFLAGS@
79RANLIB = @RANLIB@
80LN_S = @LN_S@
81
82PWD_COMMAND = $${PWDCMD-pwd}
83
84# Flags to pass to a recursive make.
85FLAGS_TO_PASS = \
86	"AR=$(AR)" \
87	"AR_FLAGS=$(AR_FLAGS)" \
88	"CC=$(CC)" \
89	"CFLAGS=$(CFLAGS)" \
90	"DESTDIR=$(DESTDIR)" \
91	"EXTRA_OFILES=$(EXTRA_OFILES)" \
92	"HDEFINES=$(HDEFINES)" \
93	"INSTALL=$(INSTALL)" \
94	"INSTALL_DATA=$(INSTALL_DATA)" \
95	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
96	"LDFLAGS=$(LDFLAGS)" \
97	"LOADLIBES=$(LOADLIBES)" \
98	"RANLIB=$(RANLIB)" \
99	"SHELL=$(SHELL)" \
100	"prefix=$(prefix)" \
101	"exec_prefix=$(exec_prefix)" \
102	"libdir=$(libdir)" \
103	"libsubdir=$(libsubdir)" \
104	"tooldir=$(tooldir)"
105
106# Dependencies for "all" are set later in the file.
107all: all-multi
108	# Now that we have built all the objects, we need to copy
109	# them back to the GCC directory.  Too many things (other
110	# in-tree libraries, and DejaGNU) know about the layout
111	# of the build tree, for now.
112	$(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
113	  slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
114
115.PHONY: all-multi
116all-multi:
117	# If this is the top-level multilib, build all the other
118	# multilibs.
119	@: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
120
121.PHONY: check installcheck
122check:
123installcheck:
124
125.PHONY: all clean
126
127clean:
128	-rm -f libgcc_tm.h libgcc.map
129	-rm -f libgcc_tm.stamp stmp-ldirs
130	-rm -f *$(objext)
131	-rm -f *.dep
132	-rm -f *.a
133	-rm -f libunwind$(SHLIB_EXT)
134	-rm -f libgcc_s*
135	@$(MULTICLEAN) multi-clean DO=clean
136distclean: clean
137	@$(MULTICLEAN) multi-clean DO=distclean
138	-rm -f auto-target.h
139	-rm -f stamp-h
140	-rm -f *~ Makefile config.cache config.status multilib.out
141	-rm -f config.log
142maintainer-clean realclean: distclean
143
144Makefile: $(srcdir)/Makefile.in config.status
145	CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
146
147# Depending on Makefile makes sure that config.status has been re-run
148# if needed.  This prevents problems with parallel builds.
149auto-target.h: stamp-h ; @true
150stamp-h: $(srcdir)/config.in config.status Makefile
151	CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
152
153config.status: $(srcdir)/configure $(srcdir)/config.host
154	$(SHELL) ./config.status --recheck
155
156AUTOCONF = autoconf
157configure_deps = \
158	$(srcdir)/../config/enable.m4 \
159	$(srcdir)/../config/tls.m4 \
160	$(srcdir)/../config/acx.m4 \
161	$(srcdir)/../config/no-executables.m4 \
162	$(srcdir)/../config/override.m4 \
163	$(srcdir)/../config/dfp.m4 \
164
165$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
166	cd $(srcdir) && $(AUTOCONF)
167
168include $(gcc_objdir)/libgcc.mvars
169
170# Flags to pass to recursive makes.
171
172AR_FOR_TARGET = $(AR)
173AR_FLAGS_FOR_TARGET =
174AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
175AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
176AWK = @AWK@
177GCC_FOR_TARGET = $(CC)
178LIPO = @LIPO@
179LIPO_FOR_TARGET = $(LIPO)
180MACHMODE_H = machmode.h mode-classes.def insn-modes.h
181NM = @NM@
182NM_FOR_TARGET = $(NM)
183RANLIB_FOR_TARGET = $(RANLIB)
184STRIP = @STRIP@
185STRIP_FOR_TARGET = $(STRIP)
186
187# Directory in which the compiler finds libraries etc.
188libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)@accel_dir_suffix@
189# Used to install the shared libgcc.
190slibdir = @slibdir@
191# Maybe used for DLLs on Windows targets.
192toolexecdir = @toolexecdir@
193toolexeclibdir = @toolexeclibdir@
194
195export AR_FOR_TARGET
196export AR_CREATE_FOR_TARGET
197export AR_FLAGS_FOR_TARGET
198export AR_EXTRACT_FOR_TARGET
199export AWK
200export DESTDIR
201export GCC_FOR_TARGET
202export INCLUDES
203export INSTALL_DATA
204export LIB1ASMSRC
205export LIBGCC2_CFLAGS
206export LIPO_FOR_TARGET
207export MACHMODE_H
208export NM_FOR_TARGET
209export STRIP_FOR_TARGET
210export RANLIB_FOR_TARGET
211export libsubdir
212export slibdir
213export toolexecdir
214export toolexeclibdir
215
216version := $(shell cat $(srcdir)/../gcc/BASE-VER)
217
218ifeq ($(decimal_float),yes)
219ifeq ($(enable_decimal_float),bid)
220DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
221else
222DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
223	    -I$(srcdir)/../libdecnumber
224endif
225else
226DECNUMINC =
227endif
228
229# Options to use when compiling libgcc2.a.
230#
231LIBGCC2_DEBUG_CFLAGS = -g
232LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
233		 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
234		 -fbuilding-libgcc -fno-stack-protector \
235		 $(INHIBIT_LIBC_CFLAGS)
236
237# Additional options to use when compiling libgcc2.a.
238# Some targets override this to -isystem include
239LIBGCC2_INCLUDES =
240
241# Additional target-dependent options for compiling libgcc2.a.
242HOST_LIBGCC2_CFLAGS =
243
244PICFLAG = @PICFLAG@
245
246# Defined in libgcc2.c, included only in the static library.
247LIB2FUNCS_ST = _eprintf __gcc_bcmp
248
249# List of functions not to build from libgcc2.c.
250LIB2FUNCS_EXCLUDE =
251
252# These might cause a divide overflow trap and so are compiled with
253# unwinder info.
254LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
255
256# List of extra C and assembler files to add to static and shared libgcc2.
257# Assembler files should have names ending in `.S'.
258LIB2ADD = 
259
260# List of extra C and assembler files to add to static libgcc2.
261# Assembler files should have names ending in `.S'.
262LIB2ADD_ST =
263
264# Specify the directories to be searched for header files.
265# Both . and srcdir are used, in that order,
266# so that *config.h will be found in the compilation
267# subdirectory rather than in the source directory.
268# -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
269# currently being compiled, in both source trees, to be examined as well.
270INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
271	   -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
272	   -I$(srcdir)/../include $(DECNUMINC)
273
274# Forcibly remove any profiling-related flags.  There is no point
275# in supporting profiled bootstrap in this library.
276override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
277
278# CFLAGS first is not perfect; normally setting CFLAGS should override any
279# options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
280# will usually contain -g, so for the moment CFLAGS goes first.  We must
281# include CFLAGS - that's where multilib options live.
282INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
283		  $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
284
285# Options to use when compiling crtbegin/end.
286CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
287  -finhibit-size-directive -fno-inline -fno-exceptions \
288  -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
289  -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
290  $(INHIBIT_LIBC_CFLAGS)
291
292# Extra flags to use when compiling crt{begin,end}.o.
293CRTSTUFF_T_CFLAGS =
294
295MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
296MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
297
298MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
299inst_libdir = $(libsubdir)$(MULTISUBDIR)
300inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
301
302gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
303compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
304gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
305gcc_s_compile = $(gcc_compile) -DSHARED
306
307objects = $(filter %$(objext),$^)
308
309# Collect any host-specific information from Makefile fragments.
310
311LIBGCC_VER_GNU_PREFIX = __
312LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
313LIBGCC_VER_SYMBOLS_PREFIX =
314
315FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
316    _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
317    _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
318    _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
319
320DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
321    _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
322    _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
323    _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
324
325TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
326    _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
327    _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
328    _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
329
330# Additional sources to handle exceptions; overridden by targets as needed.
331LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
332  $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
333LIB2ADDEHSTATIC = $(LIB2ADDEH)
334LIB2ADDEHSHARED = $(LIB2ADDEH)
335
336# nm flags to list global symbols in libgcc object files.
337SHLIB_NM_FLAGS = -pg
338
339# Don't build libunwind by default.
340LIBUNWIND =
341SHLIBUNWIND_LINK =
342SHLIBUNWIND_INSTALL =
343
344tmake_file = @tmake_file@
345include $(srcdir)/empty.mk $(tmake_file)
346
347# Collect target defines and headers from config.host.
348libgcc_tm_defines = @tm_defines@
349libgcc_tm_file = @tm_file@
350libgcc_tm.h: libgcc_tm.stamp; @true
351libgcc_tm.stamp:
352	DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
353		$(srcdir)/mkheader.sh > tmp-libgcc_tm.h
354	$(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
355	echo timestamp > $@
356
357# Only handle shared libraries if both:
358#   - the user requested them
359#   - we know how to build them
360ifeq ($(SHLIB_LINK),)
361  enable_shared := no
362endif
363
364ifeq ($(enable_shared),yes)
365  iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
366
367  install-shared = install-shared
368
369  ifneq ($(LIBUNWIND),)
370    install-libunwind = install-libunwind
371  endif
372endif
373
374ifneq ($(enable_shared),yes)
375# Maintain the same visibility as older GCC for now. Needed on Haiku
376# because the static library is included in libroot.so.
377vis_hide =
378else
379# For -fvisibility=hidden.  We need both a -fvisibility=hidden on
380# the command line, and a #define to prevent libgcc2.h etc from
381# overriding that with #pragmas.
382vis_hide = @vis_hide@
383endif
384
385ifneq (,$(vis_hide))
386
387# If we have -fvisibility=hidden, then we need to generate hide
388# lists for object files implemented in assembly.
389ASM_HIDDEN_OP = @asm_hidden_op@
390
391define gen-hide-list
392$(NM) -pg $< | \
393  $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
394         && $$3 !~ /.*@.*/ \
395	 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
396mv -f $@T $@
397endef
398else
399gen-hide-list = echo > $@
400endif
401
402ifneq ($(enable_shared),yes)
403iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
404endif
405
406LIB2ADD += enable-execute-stack.c
407
408# While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
409# instead of LIB2ADD because that's the way to be sure on some targets
410# (e.g. *-*-darwin*) only one copy of it is linked.
411LIB2ADDEH += $(srcdir)/emutls.c
412LIB2ADDEHSTATIC += $(srcdir)/emutls.c
413LIB2ADDEHSHARED += $(srcdir)/emutls.c
414
415# Library members defined in libgcc2.c.
416lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2	   \
417	    _clear_cache _trampoline __main _absvsi2 \
418	    _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
419	    _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
420	    _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2	   \
421	    _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2	   \
422	    _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3	   \
423	    _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 _clrsbdi2
424
425# The floating-point conversion routines that involve a single-word integer.
426# XX stands for the integer mode.
427swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
428
429# Likewise double-word routines.
430dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
431	       $(patsubst %,_fixuns%XX,sf df xf tf) \
432	       $(patsubst %,_floatXX%,sf df xf tf) \
433	       $(patsubst %,_floatunXX%,sf df xf tf)
434
435ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
436  lib2funcs += $(subst XX,si,$(swfloatfuncs))
437  lib2funcs += $(subst XX,di,$(dwfloatfuncs))
438endif
439
440# These might cause a divide overflow trap and so are compiled with
441# unwinder info.
442LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
443
444# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
445# defined as optimized assembly code in LIB1ASMFUNCS or as C code
446# in LIB2FUNCS_EXCLUDE.
447lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
448LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
449		       $(LIB2_DIVMOD_FUNCS))
450
451# Build "libgcc1" (assembly) components.
452
453lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
454$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis
455	$(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis
456$(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
457	$(gen-hide-list)
458libgcc-objects += $(lib1asmfuncs-o)
459
460lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
461$(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC)
462	$(gcc_s_compile) -DL$* -xassembler-with-cpp -c $<
463ifeq ($(enable_shared),yes)
464
465libgcc-s-objects += $(lib1asmfuncs-s-o)
466
467endif
468
469# Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
470lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
471$(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
472	$(gcc_compile) -DL$* -c $< $(vis_hide)
473libgcc-objects += $(lib2funcs-o)
474
475ifeq ($(enable_shared),yes)
476lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
477$(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
478	$(gcc_s_compile) -DL$* -c $<
479libgcc-s-objects += $(lib2funcs-s-o)
480endif
481
482ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
483# Build libgcc2.c for each conversion function, with a specific
484# L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
485# functions are built with a wordsize of 4; the TImode functions are
486# built with the same labels, but a wordsize of 8.
487
488sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
489difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
490tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
491
492iter-items := $(sifuncs) $(difuncs) $(tifuncs)
493iter-labels := $(sifuncs) $(difuncs) $(difuncs)
494iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
495
496include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
497
498libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
499ifeq ($(enable_shared),yes)
500libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
501endif
502endif
503
504ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
505# Provide default flags for compiling divmod functions, if they haven't been
506# set already by a target-specific Makefile fragment.
507LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
508endif
509
510# Build LIB2_DIVMOD_FUNCS.
511lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
512$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
513	$(gcc_compile) -DL$* -c $< \
514	  $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide)
515libgcc-objects += $(lib2-divmod-o)
516
517ifeq ($(enable_shared),yes)
518lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
519$(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
520	$(gcc_s_compile) -DL$* -c $< \
521	  $(LIB2_DIVMOD_EXCEPTION_FLAGS)
522libgcc-s-objects += $(lib2-divmod-s-o)
523endif
524
525ifeq ($(TPBIT),)
526# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
527FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
528DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
529endif
530
531FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS))
532DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS))
533TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS))
534
535fpbit-src := $(srcdir)/fp-bit.c
536
537# Build FPBIT.
538ifneq ($(FPBIT),)
539fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
540$(fpbit-o): %$(objext): $(fpbit-src)
541	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
542libgcc-objects += $(fpbit-o)
543
544ifeq ($(enable_shared),yes)
545fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
546$(fpbit-s-o): %_s$(objext): $(fpbit-src)
547	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS)  -c $<
548libgcc-s-objects += $(fpbit-s-o)
549endif
550endif
551
552# Build DPBIT.
553ifneq ($(DPBIT),)
554dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
555$(dpbit-o): %$(objext): $(fpbit-src)
556	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
557libgcc-objects += $(dpbit-o)
558
559ifeq ($(enable_shared),yes)
560dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
561$(dpbit-s-o): %_s$(objext): $(fpbit-src)
562	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
563libgcc-s-objects += $(dpbit-s-o)
564endif
565endif
566
567# Build TPBIT.
568ifneq ($(TPBIT),)
569tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
570$(tpbit-o): %$(objext): $(fpbit-src)
571	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
572libgcc-objects += $(tpbit-o)
573
574ifeq ($(enable_shared),yes)
575tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
576$(tpbit-s-o): %_s$(objext): $(fpbit-src)
577	$(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
578libgcc-s-objects += $(tpbit-s-o)
579endif
580endif
581
582# Build decimal floating point support.
583ifeq ($(decimal_float),yes)
584
585# If $DFP_ENABLE is set, then we want all data type sizes.
586ifneq ($(DFP_ENABLE),)
587D32PBIT = 1
588D64PBIT = 1
589D128PBIT = 1
590endif
591
592dfp-filenames =
593ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
594ifeq ($(enable_decimal_float),bid)
595dfp-filenames += bid_decimal_globals bid_decimal_data \
596		 bid_binarydecimal bid_convert_data \
597		 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
598		 bid128_noncomp bid128_fma bid_round bid_from_int \
599		 bid64_add bid128_add bid64_div bid128_div \
600		 bid64_mul bid128_mul bid64_compare bid128_compare \
601		 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
602		 bid64_to_int32 bid64_to_int64 \
603		 bid64_to_uint32 bid64_to_uint64 \
604		 bid128_to_int32 bid128_to_int64 \
605		 bid128_to_uint32 bid128_to_uint64
606else
607dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
608endif
609endif
610
611dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
612ifeq ($(enable_decimal_float),bid)
613$(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
614else
615$(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
616endif
617	$(gcc_compile) -c $<
618libgcc-objects += $(dfp-objects)
619
620decbits-filenames =
621ifneq ($(enable_decimal_float),bid)
622ifneq ($(D32PBIT),)
623decbits-filenames += decimal32
624endif
625
626ifneq ($(D64PBIT),)
627decbits-filenames += decimal64
628endif
629
630ifneq ($(D128PBIT),)
631decbits-filenames += decimal128
632endif
633endif
634
635decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
636ifeq ($(enable_decimal_float),bid)
637$(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
638else
639$(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
640endif
641	$(gcc_compile) -c $<
642libgcc-objects += $(decbits-objects)
643
644# Next build individual support functions.
645D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
646	_eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
647	_sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
648	_si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
649	_sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
650	_sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
651	_sd_to_dd _sd_to_td _unord_sd _conv_sd
652
653D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
654	_eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
655	_dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
656	_si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
657	_dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
658	_sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
659	_dd_to_sd _dd_to_td _unord_dd _conv_dd
660
661D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
662	_eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
663	_td_to_si _td_to_di _td_to_usi _td_to_udi \
664	_si_to_td _di_to_td _usi_to_td _udi_to_td \
665	_td_to_sf _td_to_df _td_to_xf _td_to_tf \
666	_sf_to_td _df_to_td _xf_to_td _tf_to_td \
667	_td_to_sd _td_to_dd _unord_td _conv_td
668
669ifeq ($(enable_decimal_float),bid)
670ifneq ($(D32PBIT),)
671D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
672endif
673
674ifneq ($(D64PBIT),)
675D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
676endif
677
678ifneq ($(D128PBIT),)
679D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
680endif
681endif
682
683ifneq ($(D32PBIT),)
684d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
685ifeq ($(enable_decimal_float),bid)
686$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
687else
688$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
689endif
690	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
691libgcc-objects += $(d32pbit-o)
692endif
693
694ifneq ($(D64PBIT),)
695d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
696ifeq ($(enable_decimal_float),bid)
697$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
698else
699$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
700endif
701	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
702libgcc-objects += $(d64pbit-o)
703endif
704
705ifneq ($(D128PBIT),)
706d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
707ifeq ($(enable_decimal_float),bid)
708$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
709else
710$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
711endif
712	$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
713libgcc-objects += $(d128pbit-o)
714endif
715
716endif
717
718ifeq ($(SYNC),yes)
719libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
720			    sync_fetch_and_$(op) \
721			    sync_$(op)_and_fetch) \
722			  sync_bool_compare_and_swap \
723			  sync_val_compare_and_swap \
724			  sync_lock_test_and_set
725
726libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
727			    $(foreach suffix, 1 2 4 8 16, \
728			      $(prefix)_$(suffix)))
729
730libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
731$(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
732	$(gcc_compile) $(SYNC_CFLAGS) \
733	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
734	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
735	  -c $< $(vis_hide)
736libgcc-objects += $(libgcc-sync-size-funcs-o)
737
738libgcc-sync-funcs := sync_synchronize
739
740libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
741$(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
742	$(gcc_compile) $(SYNC_CFLAGS) \
743	  -DL$* \
744	  -c $< $(vis_hide)
745libgcc-objects += $(libgcc-sync-funcs-o)
746
747ifeq ($(enable_shared),yes)
748libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
749			       $(libgcc-sync-size-funcs))
750$(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
751	$(gcc_s_compile) $(SYNC_CFLAGS) \
752	  -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
753	  -DSIZE=`echo "$*" | sed 's/.*_//'` \
754	  -c $<
755libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
756
757libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
758$(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
759	$(gcc_s_compile) $(SYNC_CFLAGS) \
760	  -DL$*	\
761	  -c $<
762libgcc-s-objects += $(libgcc-sync-funcs-s-o)
763endif
764endif
765
766# Build fixed-point support.
767ifeq ($(fixed_point),yes)
768
769# Generate permutations of function name and mode
770fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
771fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
772fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
773
774# Generate the rules for each arithmetic function
775iter-items := $(fixed-funcs)
776iter-labels := $(fixed-labels)
777iter-from := $(fixed-modes)
778iter-to := $(fixed-modes)
779include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
780
781# Add arithmetic functions to list of objects to be built
782libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
783ifeq ($(enable_shared),yes)
784libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
785endif
786
787# Convert from or to fractional
788fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
789fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
790fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
791fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
792
793# Generate the make rules for each conversion function
794iter-items := $(fixed-conv-funcs)
795iter-labels := $(fixed-conv-labels)
796iter-from := $(fixed-conv-from)
797iter-to := $(fixed-conv-to)
798include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
799
800# Add conversion functions to list of objects to be built
801libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
802ifeq ($(enable_shared),yes)
803libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
804endif
805
806endif
807
808# Build LIB2ADD and LIB2ADD_ST.
809ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
810$(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
811endif
812
813libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
814libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
815
816c_flags :=
817iter-items := $(LIB2ADD) $(LIB2ADD_ST)
818include $(iterator)
819
820ifeq ($(enable_shared),yes)
821libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
822endif
823
824# Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
825# libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
826# LIB2ADDEHSHARED matter.  (Usually all three are identical.)
827
828c_flags := -fexceptions
829
830ifeq ($(enable_shared),yes)
831
832libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
833libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
834
835iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
836include $(iterator)
837
838else
839# Not shared.  LIB2ADDEH are added to libgcc.a.
840
841libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
842
843iter-items := $(LIB2ADDEH)
844include $(iterator)
845
846endif
847
848# Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
849# not generate calls to __gcc_personality_v0.
850
851c_flags := -fno-exceptions
852
853libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
854
855ifeq ($(enable_shared),yes)
856libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
857endif
858
859iter-items := $(LIBUNWIND)
860include $(iterator)
861
862# Build libgcov components.
863
864LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_single _gcov_merge_delta	\
865	_gcov_merge_ior _gcov_merge_time_profile _gcov_merge_icall_topn
866LIBGCOV_PROFILER = _gcov_interval_profiler _gcov_pow2_profiler		\
867	_gcov_one_value_profiler _gcov_indirect_call_profiler		\
868 	_gcov_average_profiler _gcov_ior_profiler			\
869	_gcov_indirect_call_profiler_v2 _gcov_time_profiler		\
870	_gcov_indirect_call_topn_profiler
871LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork			\
872	_gcov_execl _gcov_execlp					\
873	_gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset
874LIBGCOV_DRIVER = _gcov
875
876libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE))
877libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER))
878libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE))
879libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER))
880libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \
881                 $(libgcov-interface-objects) $(libgcov-driver-objects)
882
883$(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/libgcov.h
884	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c
885$(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/libgcov.h
886	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c
887$(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/libgcov.h
888	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c
889$(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \
890  $(srcdir)/libgcov-driver-system.c $(srcdir)/libgcov.h
891	$(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c
892
893
894# Static libraries.
895libgcc.a: $(libgcc-objects)
896libgcov.a: $(libgcov-objects)
897libunwind.a: $(libunwind-objects)
898libgcc_eh.a: $(libgcc-eh-objects)
899
900libgcc.a libgcov.a libunwind.a libgcc_eh.a:
901	-rm -f $@
902
903	objects="$(objects)";					\
904	if test -z "$$objects"; then				\
905	  echo 'int __libgcc_eh_dummy;' > eh_dummy.c;		\
906	  $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c		\
907	     -o eh_dummy$(objext);				\
908	  objects=eh_dummy$(objext);				\
909	fi;							\
910	$(AR_CREATE_FOR_TARGET) $@ $$objects
911
912	$(RANLIB) $@
913
914all: libgcc.a libgcov.a
915
916ifneq ($(LIBUNWIND),)
917all: libunwind.a
918libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
919endif
920
921ifeq ($(enable_shared),yes)
922all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
923ifneq ($(LIBUNWIND),)
924all: libunwind$(SHLIB_EXT)
925endif
926endif
927
928ifeq ($(enable_shared),yes)
929
930# Map-file generation.
931ifneq ($(SHLIB_MKMAP),)
932libgcc.map.in: $(SHLIB_MAPFILES)
933	{ cat $(SHLIB_MAPFILES) \
934	    | sed -e '/^[ 	]*#/d' \
935		  -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
936	    | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
937	} > tmp-$@
938	mv tmp-$@ $@
939libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects)
940	{ $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
941	  cat libgcc.map.in; \
942	} | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
943	mv tmp-$@ $@
944libgcc_s$(SHLIB_EXT): libgcc.map
945mapfile = libgcc.map
946endif
947
948libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
949	sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
950	    -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
951
952libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a
953	# @multilib_flags@ is still needed because this may use
954	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
955	# @multilib_dir@ is not really necessary, but sometimes it has
956	# more uses than just a directory name.
957	$(mkinstalldirs) $(MULTIDIR)
958	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
959		@multilib_dir@,$(MULTIDIR),$(subst \
960		@shlib_objs@,$(objects) libgcc.a,$(subst \
961		@shlib_base_name@,libgcc_s,$(subst \
962		@shlib_map_file@,$(mapfile),$(subst \
963		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
964		@shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
965
966libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
967	# @multilib_flags@ is still needed because this may use
968	# $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
969	# @multilib_dir@ is not really necessary, but sometimes it has
970	# more uses than just a directory name.
971	$(mkinstalldirs) $(MULTIDIR)
972	$(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
973		@multilib_dir@,$(MULTIDIR),$(subst \
974		@shlib_objs@,$(objects),$(subst \
975		@shlib_base_name@,libunwind,$(subst \
976		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
977
978endif
979
980# Build the standard GCC startfiles and endfiles.
981ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
982crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
983
984ifeq ($(CUSTOM_CRTSTUFF),)
985# Compile two additional files that are linked with every program
986# linked using GCC on systems using COFF or ELF, for the sake of C++
987# constructors.
988crtbegin$(objext): $(srcdir)/crtstuff.c
989	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
990
991crtend$(objext): $(srcdir)/crtstuff.c
992	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
993
994# These are versions of crtbegin and crtend for shared libraries.
995crtbeginS$(objext): $(srcdir)/crtstuff.c
996	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
997
998crtendS$(objext): $(srcdir)/crtstuff.c
999	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
1000
1001# This is a version of crtbegin for -static links.
1002crtbeginT$(objext): $(srcdir)/crtstuff.c
1003	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
1004
1005# crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and
1006# the end of tables with addresses, required for offloading.
1007crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c
1008	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
1009
1010crtoffloadend$(objext): $(srcdir)/offloadstuff.c
1011	$(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
1012endif
1013
1014ifeq ($(enable_vtable_verify),yes)
1015# These are used in vtable verification; see comments in source files for
1016# more details.
1017vtv_start$(objext): $(srcdir)/vtv_start.c
1018	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_start.c
1019
1020vtv_end$(objext): $(srcdir)/vtv_end.c
1021	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_end.c
1022
1023vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
1024	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_start_preinit.c
1025
1026vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
1027	$(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_end_preinit.c
1028endif
1029
1030ifeq ($(CUSTOM_CRTIN),)
1031# -x assembler-with-cpp is only needed on case-insensitive filesystem.
1032crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
1033	$(crt_compile) -c -x assembler-with-cpp $<
1034
1035crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
1036	$(crt_compile) -c -x assembler-with-cpp $<
1037endif
1038
1039# Build extra startfiles in the libgcc directory.
1040.PHONY: libgcc-extra-parts
1041libgcc-extra-parts: $(EXTRA_PARTS)
1042
1043	# Early copyback; see "all" above for the rationale.  The
1044	# early copy is necessary so that the gcc -B options find
1045	# the right startup files when linking shared libgcc.
1046	$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
1047	parts="$(EXTRA_PARTS)";					\
1048	for file in $$parts; do					\
1049	  rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;		\
1050	  $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;	\
1051	  case $$file in 					\
1052	    *.a)						\
1053	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1054	  esac;							\
1055	done
1056
1057all: $(extra-parts)
1058
1059$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1060	$(libgcov-objects) \
1061	$(libunwind-objects) $(libunwind-s-objects) \
1062	$(EXTRA_PARTS): libgcc_tm.h
1063
1064# Copy unwind.h to the place where gcc will look for it at build-time
1065install-unwind_h-forbuild:
1066	dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1067	cp unwind.h $$dest; \
1068	chmod a+r $$dest; \
1069	sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1070
1071# Copy unwind.h to the place where gcc will look at run-time, once installed
1072#
1073# This is redundant with the internal copy above when using a regular toplevel
1074# "install" target, because gcc's install will copy to the destination as well.
1075#
1076# This is however useful for "install-no-fixincludes" case, when only the gcc
1077# internal headers are copied by gcc's install.
1078install-unwind_h:
1079	$(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1080	$(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1081
1082all: install-unwind_h-forbuild
1083
1084# Documentation targets (empty).
1085.PHONY: info html dvi pdf install-info install-html install-pdf
1086
1087info:
1088install-info:
1089html:
1090install-html:
1091dvi:
1092pdf:
1093install-pdf:
1094
1095# Install rules.  These do not depend on "all", so that they can be invoked
1096# recursively from it.
1097install-libunwind:
1098	$(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1099
1100	# NOTE: Maybe this should go into $(inst_libdir), but this
1101	# is where the old mklibgcc.in put it.
1102	$(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1103	chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1104	$(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1105
1106	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1107		@shlib_base_name@,libunwind,$(subst \
1108		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1109
1110install-shared:
1111	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1112
1113	$(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1114	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1115	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1116
1117	$(subst @multilib_dir@,$(MULTIDIR),$(subst \
1118		@shlib_base_name@,libgcc_s,$(subst \
1119		@shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1120
1121install-leaf: $(install-shared) $(install-libunwind)
1122	$(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1123
1124	$(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1125	chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1126	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1127	$(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1128	chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1129	$(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1130
1131	parts="$(INSTALL_PARTS)";				\
1132	for file in $$parts; do					\
1133	  rm -f $(DESTDIR)$(inst_libdir)/$$file;		\
1134	  $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;	\
1135	  case $$file in 					\
1136	    *.a)						\
1137	      $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;	\
1138	  esac;							\
1139	done
1140
1141install: install-leaf install-unwind_h
1142	@: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1143
1144install-strip: install
1145
1146.PHONY: install install-shared install-libunwind install-strip
1147.PHONY: install-unwind_h install-unwind_h-forbuild
1148
1149# Don't export variables to the environment, in order to not confuse
1150# configure.
1151.NOEXPORT:
1152
1153include $(srcdir)/empty.mk $(wildcard *.dep)
1154