3 # Copyright (C) 2005, 2006 Free Software Foundation
5 # This file is part of GCC.
7 # GCC is free software; you can redistribute it and/or modify it under the
8 # terms of the GNU Library General Public License as published by the Free
9 # Software Foundation; either version 2 of the License, or (at your option)
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
17 # You should have received a copy of the GNU General Public License along
18 # with GCC; see the file COPYING. If not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
23 libgcc_topdir
= @libgcc_topdir@
24 host_subdir
= @host_subdir@
26 gcc_srcdir
= $(libgcc_topdir
)/gcc
27 gcc_objdir
= $(MULTIBUILDTOP
)..
/..
/$(host_subdir
)/gcc
33 exec_prefix = @
exec_prefix@
35 shlib_slibdir
= @slibdir@
39 enable_shared
= @enable_shared@
40 decimal_float
= @decimal_float@
41 enable_decimal_float
= @enable_decimal_float@
42 fixed_point
= @fixed_point@
44 host_noncanonical
= @host_noncanonical@
46 # List of extra object files that should be compiled for this target machine.
47 # The rules for compiling them should be in the t-* file for the machine.
48 EXTRA_PARTS
= @extra_parts@
50 # Multilib support variables.
59 INSTALL_PROGRAM
= @INSTALL_PROGRAM@
60 INSTALL_DATA
= @INSTALL_DATA@
61 mkinstalldirs
= $(SHELL
) $(libgcc_topdir
)/mkinstalldirs
73 PWD_COMMAND
= $${PWDCMD-pwd
}
75 # Flags to pass to a recursive make.
78 "AR_FLAGS=$(AR_FLAGS)" \
81 "DESTDIR=$(DESTDIR)" \
82 "EXTRA_OFILES=$(EXTRA_OFILES)" \
83 "HDEFINES=$(HDEFINES)" \
84 "INSTALL=$(INSTALL)" \
85 "INSTALL_DATA=$(INSTALL_DATA)" \
86 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
87 "LDFLAGS=$(LDFLAGS)" \
88 "LOADLIBES=$(LOADLIBES)" \
92 "exec_prefix=$(exec_prefix)" \
94 "libsubdir=$(libsubdir)" \
97 # Dependencies for "all" are set later in the file.
99 # Now that we have built all the objects, we need to copy
100 # them back to the GCC directory. Too many things (other
101 # in-tree libraries, and DejaGNU) know about the layout
102 # of the build tree, for now.
103 $(MAKE
) install-leaf DESTDIR
=$(gcc_objdir
) \
104 slibdir
= libsubdir
= MULTIOSDIR
=$(MULTIDIR
)
108 # If this is the top-level multilib, build all the other
110 @
: $(MAKE
) ; exec
$(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=all
112 .PHONY
: check installcheck
119 -rm -f config.h stamp-h stmp-ldirs libgcc.map
123 -rm -f libunwind
$(SHLIB_EXT
)
125 @
$(MULTICLEAN
) multi-clean DO
=clean
127 @
$(MULTICLEAN
) multi-clean DO
=distclean
128 -rm -f
*~ Makefile config.cache config.status multilib.out
130 maintainer-clean
realclean: distclean
132 Makefile
: $(srcdir)/Makefile.in config.status
133 CONFIG_FILES
=Makefile CONFIG_HEADERS
= $(SHELL
) .
/config.status
135 # Depending on Makefile makes sure that config.status has been re-run
136 # if needed. This prevents problems with parallel builds.
137 config.h
: stamp-h
; @true
138 stamp-h
: $(srcdir)/config.in config.status Makefile
139 CONFIG_FILES
= CONFIG_HEADERS
=config.h
:$(srcdir)/config.in
$(SHELL
) .
/config.status
141 config.status
: $(srcdir)/configure
$(srcdir)/config.host
142 $(SHELL
) .
/config.status
--recheck
144 include $(gcc_objdir
)/libgcc.mvars
146 # Flags to pass to recursive makes.
148 AR_FOR_TARGET
= $(AR
)
149 AR_FLAGS_FOR_TARGET
=
150 AR_CREATE_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) rc
151 AR_EXTRACT_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) x
153 GCC_FOR_TARGET
= $(CC
)
155 LIPO_FOR_TARGET
= $(LIPO
)
156 MACHMODE_H
= machmode.h mode-classes.def insn-modes.h
158 NM_FOR_TARGET
= $(NM
)
159 RANLIB_FOR_TARGET
= $(RANLIB
)
161 STRIP_FOR_TARGET
= $(STRIP
)
163 # Directory in which the compiler finds libraries etc.
164 libsubdir
= $(libdir)/gcc
/$(host_noncanonical
)/$(version
)
165 # Used to install the shared libgcc.
169 export AR_CREATE_FOR_TARGET
170 export AR_FLAGS_FOR_TARGET
171 export AR_EXTRACT_FOR_TARGET
174 export GCC_FOR_TARGET
178 export LIBGCC2_CFLAGS
179 export LIPO_FOR_TARGET
182 export STRIP_FOR_TARGET
183 export RANLIB_FOR_TARGET
187 version
:= $(shell $(CC
) -dumpversion
)
189 ifeq ($(decimal_float
),yes
)
190 ifeq ($(enable_decimal_float
),bid
)
191 DECNUMINC
= -I
$(srcdir)/config
/libbid
-DENABLE_DECIMAL_BID_FORMAT
193 DECNUMINC
= -I
$(srcdir)/..
/libdecnumber
/$(enable_decimal_float
) \
194 -I
$(srcdir)/..
/libdecnumber
200 # Specify the directories to be searched for header files.
201 # Both . and srcdir are used, in that order,
202 # so that *config.h will be found in the compilation
203 # subdirectory rather than in the source directory.
204 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
205 # currently being compiled, in both source trees, to be examined as well.
206 INCLUDES
= -I.
-I
$(@D
) -I
$(gcc_objdir
) \
207 -I
$(srcdir) -I
$(srcdir)/$(@D
) -I
$(srcdir)/..
/gcc \
208 -I
$(srcdir)/..
/include $(DECNUMINC
)
210 # Forcibly remove any profiling-related flags. There is no point
211 # in supporting profiled bootstrap in this library.
212 override CFLAGS
:= $(filter-out -fprofile-generate
-fprofile-use
,$(CFLAGS
))
214 # CFLAGS first is not perfect; normally setting CFLAGS should override any
215 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
216 # will usually contain -g, so for the moment CFLAGS goes first. We must
217 # include CFLAGS - that's where multilib options live.
218 INTERNAL_CFLAGS
= $(CFLAGS
) $(LIBGCC2_CFLAGS
) $(HOST_LIBGCC2_CFLAGS
) \
219 $(INCLUDES
) @set_have_cc_tls@
221 MULTIDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-directory
)
222 MULTIOSDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-os-directory
)
224 MULTIOSSUBDIR
:= $(shell if
test $(MULTIOSDIR
) != .
; then echo
/$(MULTIOSDIR
); fi
)
225 inst_libdir
= $(libsubdir
)$(MULTISUBDIR
)
226 inst_slibdir
= $(slibdir
)$(MULTIOSSUBDIR
)
228 gcc_compile_bare
= $(CC
) $(INTERNAL_CFLAGS
)
229 compile_deps
= -MT
$@
-MD
-MP
-MF
$(basename $@
).dep
230 gcc_compile
= $(gcc_compile_bare
) -o
$@
$(compile_deps
)
231 gcc_s_compile
= $(gcc_compile
) -DSHARED
233 objects
= $(filter %$(objext
),$^
)
235 # Collect any host-specific information from Makefile fragments.
236 tmake_file
= @tmake_file@
237 include $(srcdir)/empty.mk
$(tmake_file
)
239 # Only handle shared libraries if both:
240 # - the user requested them
241 # - we know how to build them
242 ifeq ($(SHLIB_LINK
),)
246 ifeq ($(enable_shared
),yes
)
247 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/shared-object.mk
,$(iter-items
))
249 install-shared
= install-shared
251 ifneq ($(LIBUNWIND
),)
252 install-libunwind
= install-libunwind
255 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
256 # the command line, and a #define to prevent libgcc2.h etc from
257 # overriding that with #pragmas.
258 vis_hide
= @vis_hide@
262 # If we have -fvisibility=hidden, then we need to generate hide
263 # lists for object files implemented in assembly.
264 ASM_HIDDEN_OP
= @asm_hidden_op@
268 $(AWK
) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
270 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
274 gen-hide-list
= echo
> $@
279 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/static-object.mk
,$(iter-items
))
281 gen-hide-list
= echo
> \
$@
284 ifneq ($(EXTRA_PARTS
),)
285 extra-parts
= libgcc-extra-parts
286 INSTALL_PARTS
= $(EXTRA_PARTS
)
288 ifneq ($(GCC_EXTRA_PARTS
),)
289 extra-parts
= gcc-extra-parts
290 INSTALL_PARTS
= $(GCC_EXTRA_PARTS
)
294 # Library members defined in libgcc2.c.
295 lib2funcs
= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
296 _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
297 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
298 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
299 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
300 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
301 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
302 _divtc3 _bswapsi2 _bswapdi2
304 # The floating-point conversion routines that involve a single-word integer.
305 # XX stands for the integer mode.
306 swfloatfuncs
= $(patsubst %,_fixuns
%XX
,sf df xf
)
308 # Likewise double-word routines.
309 dwfloatfuncs
= $(patsubst %,_fix
%XX
,sf df xf tf
) \
310 $(patsubst %,_fixuns
%XX
,sf df xf tf
) \
311 $(patsubst %,_floatXX
%,sf df xf tf
) \
312 $(patsubst %,_floatunXX
%,sf df xf tf
)
314 ifeq ($(LIB2_SIDITI_CONV_FUNCS
),)
315 lib2funcs
+= $(subst XX
,si
,$(swfloatfuncs
))
316 lib2funcs
+= $(subst XX
,di
,$(dwfloatfuncs
))
319 # These might cause a divide overflow trap and so are compiled with
321 LIB2_DIVMOD_FUNCS
= _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
323 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
324 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
325 # in LIB2FUNCS_EXCLUDE.
326 lib2funcs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
),$(lib2funcs
))
327 LIB2_DIVMOD_FUNCS
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
), \
328 $(LIB2_DIVMOD_FUNCS
))
330 # Build "libgcc1" (assembly) components.
331 ifeq ($(enable_shared
),yes
)
333 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
334 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
) %.vis
335 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
336 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
) -include $*.vis
337 $(patsubst %,%.vis
,$(LIB1ASMFUNCS
)): %.vis
: %_s
$(objext
)
339 libgcc-objects
+= $(lib1asmfuncs-o
)
341 lib1asmfuncs-s-o
= $(patsubst %,%_s
$(objext
),$(LIB1ASMFUNCS
))
342 $(lib1asmfuncs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
343 $(gcc_s_compile
) -DL
$* -xassembler-with-cpp \
344 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
345 libgcc-s-objects
+= $(lib1asmfuncs-s-o
)
349 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
350 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
351 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
352 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
353 libgcc-objects
+= $(lib1asmfuncs-o
)
357 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
358 lib2funcs-o
= $(patsubst %,%$(objext
),$(lib2funcs
) $(LIB2FUNCS_ST
))
359 $(lib2funcs-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
360 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
362 libgcc-objects
+= $(lib2funcs-o
)
364 ifeq ($(enable_shared
),yes
)
365 lib2funcs-s-o
= $(patsubst %,%_s
$(objext
),$(lib2funcs
))
366 $(lib2funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
367 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c
368 libgcc-s-objects
+= $(lib2funcs-s-o
)
371 ifneq ($(LIB2_SIDITI_CONV_FUNCS
),)
372 # Build libgcc2.c for each conversion function, with a specific
373 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
374 # functions are built with a wordsize of 4; the TImode functions are
375 # built with the same labels, but a wordsize of 8.
377 sifuncs
= $(subst XX
,si
,$(swfloatfuncs
))
378 difuncs
= $(subst XX
,di
,$(dwfloatfuncs
))
379 tifuncs
= $(subst XX
,ti
,$(dwfloatfuncs
))
381 iter-items
:= $(sifuncs
) $(difuncs
) $(tifuncs
)
382 iter-labels
:= $(sifuncs
) $(difuncs
) $(difuncs
)
383 iter-sizes
:= $(patsubst %,4,$(sifuncs
) $(difuncs
)) $(patsubst %,8,$(tifuncs
))
385 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/siditi-object.mk
,$(iter-items
))
387 libgcc-objects
+= $(patsubst %,%$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
388 ifeq ($(enable_shared
),yes
)
389 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
393 # Build LIB2_DIVMOD_FUNCS.
394 lib2-divmod-o
= $(patsubst %,%$(objext
),$(LIB2_DIVMOD_FUNCS
))
395 $(lib2-divmod-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
396 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
397 -fexceptions
-fnon-call-exceptions
$(vis_hide
)
398 libgcc-objects
+= $(lib2-divmod-o
)
400 ifeq ($(enable_shared
),yes
)
401 lib2-divmod-s-o
= $(patsubst %,%_s
$(objext
),$(LIB2_DIVMOD_FUNCS
))
402 $(lib2-divmod-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
403 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
404 -fexceptions
-fnon-call-exceptions
405 libgcc-s-objects
+= $(lib2-divmod-s-o
)
408 # $(FPBIT) et al. are pathnames relative to the GCC build
409 # directory; the supporting files are made by the GCC
411 # FIXME: Soon we will be able to move this logic into this directory.
413 ifneq ($(fpbit-in-libgcc
),yes
)
414 FPBIT
:=$(if
$(FPBIT
),$(gcc_objdir
)/$(FPBIT
),)
415 DPBIT
:=$(if
$(DPBIT
),$(gcc_objdir
)/$(DPBIT
),)
416 TPBIT
:=$(if
$(TPBIT
),$(gcc_objdir
)/$(TPBIT
),)
420 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
421 FPBIT_FUNCS
:= $(filter-out _sf_to_tf
,$(FPBIT_FUNCS
))
422 DPBIT_FUNCS
:= $(filter-out _df_to_tf
,$(DPBIT_FUNCS
))
427 fpbit-o
= $(patsubst %,%$(objext
),$(FPBIT_FUNCS
))
428 $(fpbit-o
): %$(objext
): $(FPBIT
)
429 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
) $(vis_hide
)
430 libgcc-objects
+= $(fpbit-o
)
432 ifeq ($(enable_shared
),yes
)
433 fpbit-s-o
= $(patsubst %,%_s
$(objext
),$(FPBIT_FUNCS
))
434 $(fpbit-s-o
): %_s
$(objext
): $(FPBIT
)
435 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
)
436 libgcc-s-objects
+= $(fpbit-s-o
)
442 dpbit-o
= $(patsubst %,%$(objext
),$(DPBIT_FUNCS
))
443 $(dpbit-o
): %$(objext
): $(DPBIT
)
444 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
) $(vis_hide
)
445 libgcc-objects
+= $(dpbit-o
)
447 ifeq ($(enable_shared
),yes
)
448 dpbit-s-o
= $(patsubst %,%_s
$(objext
),$(DPBIT_FUNCS
))
449 $(dpbit-s-o
): %_s
$(objext
): $(DPBIT
)
450 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
)
451 libgcc-s-objects
+= $(dpbit-s-o
)
457 tpbit-o
= $(patsubst %,%$(objext
),$(TPBIT_FUNCS
))
458 $(tpbit-o
): %$(objext
): $(TPBIT
)
459 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
) $(vis_hide
)
460 libgcc-objects
+= $(tpbit-o
)
462 ifeq ($(enable_shared
),yes
)
463 tpbit-s-o
= $(patsubst %,%_s
$(objext
),$(TPBIT_FUNCS
))
464 $(tpbit-s-o
): %_s
$(objext
): $(TPBIT
)
465 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
)
466 libgcc-s-objects
+= $(tpbit-s-o
)
470 # Build decimal floating point support.
471 ifeq ($(decimal_float
),yes
)
473 # If $DFP_ENABLE is set, then we want all data type sizes.
474 ifneq ($(DFP_ENABLE
),)
481 ifneq ($(D32PBIT
)$(D64PBIT
)$(D128PBIT
),)
482 ifeq ($(enable_decimal_float
),bid
)
483 dfp-filenames
+= bid_decimal_globals bid_decimal_data \
484 bid_binarydecimal bid_convert_data \
485 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
486 bid128_noncomp bid128_fma bid_round bid_from_int \
487 bid64_add bid128_add bid64_div bid128_div \
488 bid64_mul bid128_mul bid64_compare bid128_compare \
489 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
490 bid64_to_int32 bid64_to_int64 \
491 bid64_to_uint32 bid64_to_uint64 \
492 bid128_to_int32 bid128_to_int64 \
493 bid128_to_uint32 bid128_to_uint64
495 dfp-filenames
+= decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
499 dfp-objects
= $(patsubst %,%$(objext
),$(dfp-filenames
))
500 ifeq ($(enable_decimal_float
),bid
)
501 $(dfp-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
503 $(dfp-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/%.c
506 libgcc-objects
+= $(dfp-objects
)
509 ifneq ($(enable_decimal_float
),bid
)
511 decbits-filenames
+= decimal32
515 decbits-filenames
+= decimal64
519 decbits-filenames
+= decimal128
523 decbits-objects
= $(patsubst %,%$(objext
),$(decbits-filenames
))
524 ifeq ($(enable_decimal_float
),bid
)
525 $(decbits-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
527 $(decbits-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/$(enable_decimal_float
)/%.c
530 libgcc-objects
+= $(decbits-objects
)
532 # Next build individual support functions.
533 ifeq ($(enable_decimal_float
),bid
)
535 D32PBIT_FUNCS
:=$(filter-out _plus_sd _minus_sd _conv_sd
, $(D32PBIT_FUNCS
))
539 D64PBIT_FUNCS
:=$(filter-out _plus_dd _minus_dd _conv_dd
, $(D64PBIT_FUNCS
))
543 D128PBIT_FUNCS
:=$(filter-out _plus_td _minus_td _conv_td
, $(D128PBIT_FUNCS
))
548 d32pbit-o
= $(patsubst %,%$(objext
),$(D32PBIT_FUNCS
))
549 ifeq ($(enable_decimal_float
),bid
)
550 $(d32pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
552 $(d32pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
554 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=32 -c
$<
555 libgcc-objects
+= $(d32pbit-o
)
559 d64pbit-o
= $(patsubst %,%$(objext
),$(D64PBIT_FUNCS
))
560 ifeq ($(enable_decimal_float
),bid
)
561 $(d64pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
563 $(d64pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
565 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=64 -c
$<
566 libgcc-objects
+= $(d64pbit-o
)
570 d128pbit-o
= $(patsubst %,%$(objext
),$(D128PBIT_FUNCS
))
571 ifeq ($(enable_decimal_float
),bid
)
572 $(d128pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
574 $(d128pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
576 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=128 -c
$<
577 libgcc-objects
+= $(d128pbit-o
)
582 ifeq ($(LIBGCC_SYNC
),yes
)
583 libgcc-sync-size-funcs
:= $(foreach op
, add sub or and xor nand
, \
584 sync_fetch_and_
$(op
) \
585 sync_
$(op
)_and_fetch
) \
586 sync_bool_compare_and_swap \
587 sync_val_compare_and_swap \
588 sync_lock_test_and_set
590 libgcc-sync-size-funcs
:= $(foreach prefix, $(libgcc-sync-size-funcs
), \
591 $(foreach suffix, 1 2 4 8 16, \
592 $(prefix)_
$(suffix)))
594 libgcc-sync-size-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-size-funcs
))
595 $(libgcc-sync-size-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
596 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
597 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
598 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
599 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
600 libgcc-objects
+= $(libgcc-sync-size-funcs-o
)
602 libgcc-sync-funcs
:= sync_synchronize
604 libgcc-sync-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-funcs
))
605 $(libgcc-sync-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
606 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
608 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
609 libgcc-objects
+= $(libgcc-sync-funcs-o
)
611 ifeq ($(enable_shared
),yes
)
612 libgcc-sync-size-funcs-s-o
= $(patsubst %,%_s
$(objext
), \
613 $(libgcc-sync-size-funcs
))
614 $(libgcc-sync-size-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
615 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
616 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
617 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
618 -c
$(gcc_srcdir
)/config
/sync.c
619 libgcc-s-objects
+= $(libgcc-sync-size-funcs-s-o
)
621 libgcc-sync-funcs-s-o
= $(patsubst %,%_s
$(objext
),$(libgcc-sync-funcs
))
622 $(libgcc-sync-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
623 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
625 -c
$(gcc_srcdir
)/config
/sync.c
626 libgcc-s-objects
+= $(libgcc-sync-funcs-s-o
)
630 # Build fixed-point support.
631 ifeq ($(fixed_point
),yes
)
633 # Generate permutations of function name and mode
634 fixed-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith labels
)
635 fixed-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith funcs
)
636 fixed-modes
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith modes
)
638 # Generate the rules for each arithmetic function
639 iter-items
:= $(fixed-funcs
)
640 iter-labels
:= $(fixed-labels
)
641 iter-from
:= $(fixed-modes
)
642 iter-to
:= $(fixed-modes
)
643 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
645 # Add arithmetic functions to list of objects to be built
646 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-funcs
))
647 ifeq ($(enable_shared
),yes
)
648 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-funcs
))
651 # Convert from or to fractional
652 fixed-conv-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv funcs
)
653 fixed-conv-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv labels
)
654 fixed-conv-from
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv from
)
655 fixed-conv-to
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv to
)
657 # Generate the make rules for each conversion function
658 iter-items
:= $(fixed-conv-funcs
)
659 iter-labels
:= $(fixed-conv-labels
)
660 iter-from
:= $(fixed-conv-from
)
661 iter-to
:= $(fixed-conv-to
)
662 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
664 # Add conversion functions to list of objects to be built
665 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-conv-funcs
))
666 ifeq ($(enable_shared
),yes
)
667 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-conv-funcs
))
672 # Build LIB2ADD and LIB2ADD_ST.
673 ifneq ($(filter-out %.c
%.S
%.asm
,$(LIB2ADD
) $(LIB2ADD_ST
)),)
674 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.
)
677 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD
))))
678 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD_ST
))))
681 iter-items
:= $(LIB2ADD
) $(LIB2ADD_ST
)
684 ifeq ($(enable_shared
),yes
)
685 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADD
))))
688 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
689 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
690 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
692 c_flags
:= -fexceptions
694 ifeq ($(enable_shared
),yes
)
696 libgcc-eh-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEHSTATIC
))))
697 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADDEHSHARED
))))
699 iter-items
:= $(sort $(LIB2ADDEHSTATIC
) $(LIB2ADDEHSHARED
))
703 # Not shared. LIB2ADDEH are added to libgcc.a.
705 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEH
))))
707 iter-items
:= $(LIB2ADDEH
)
714 c_flags
:= -fexceptions
716 libunwind-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIBUNWIND
))))
718 ifeq ($(enable_shared
),yes
)
719 libunwind-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIBUNWIND
))))
722 iter-items
:= $(LIBUNWIND
)
725 # Build libgcov components.
726 libgcov-objects
= $(patsubst %,%$(objext
),$(LIBGCOV
))
727 $(libgcov-objects
): %$(objext
): $(gcc_srcdir
)/libgcov.c
728 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcov.c
732 libgcc.a
: $(libgcc-objects
)
733 libgcov.a
: $(libgcov-objects
)
734 libunwind.a
: $(libunwind-objects
)
735 libgcc_eh.a
: $(libgcc-eh-objects
)
737 libgcc.a libgcov.a libunwind.a libgcc_eh.a
:
740 objects
="$(objects)"; \
741 if
test -z
"$$objects"; then \
742 echo
'int __libgcc_eh_dummy;' > eh_dummy.c
; \
743 $(gcc_compile_bare
) $(vis_hide
) -c eh_dummy.c \
744 -o eh_dummy
$(objext
); \
745 objects
=eh_dummy
$(objext
); \
747 $(AR_CREATE_FOR_TARGET
) $@
$$objects
751 all: libgcc.a libgcov.a
753 ifneq ($(LIBUNWIND
),)
755 libgcc_s
$(SHLIB_EXT
): libunwind
$(SHLIB_EXT
)
758 ifeq ($(enable_shared
),yes
)
759 all: libgcc_eh.a libgcc_s
$(SHLIB_EXT
)
760 ifneq ($(LIBUNWIND
),)
761 all: libunwind
$(SHLIB_EXT
)
765 ifeq ($(enable_shared
),yes
)
767 # Map-file generation.
768 ifneq ($(SHLIB_MKMAP
),)
769 libgcc.map
: $(SHLIB_MKMAP
) $(SHLIB_MAPFILES
) $(libgcc-s-objects
)
770 { $(NM
) $(SHLIB_NM_FLAGS
) $(libgcc-s-objects
); echo
%%; \
771 cat
$(SHLIB_MAPFILES
) \
772 | sed
-e
'/^[ ]*#/d' \
773 -e
's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
774 |
$(gcc_compile_bare
) -E
-xassembler-with-cpp
-; \
775 } |
$(AWK
) -f
$(SHLIB_MKMAP
) $(SHLIB_MKMAP_OPTS
) > tmp-
$@
777 libgcc_s
$(SHLIB_EXT
): libgcc.map
781 libgcc_s
$(SHLIB_EXT
): $(libgcc-s-objects
) $(extra-parts
)
782 # @multilib_flags@ is still needed because this may use
783 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
784 # @multilib_dir@ is not really necessary, but sometimes it has
785 # more uses than just a directory name.
786 $(mkinstalldirs
) $(MULTIDIR
)
787 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
788 @multilib_dir@
,$(MULTIDIR
),$(subst \
789 @shlib_objs@
,$(objects
),$(subst \
790 @shlib_base_name@
,libgcc_s
,$(subst \
791 @shlib_map_file@
,$(mapfile
),$(subst \
792 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(subst \
793 @shlib_slibdir@
,$(shlib_slibdir
),$(SHLIB_LINK
))))))))
795 libunwind
$(SHLIB_EXT
): $(libunwind-s-objects
) $(extra-parts
)
796 # @multilib_flags@ is still needed because this may use
797 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
798 # @multilib_dir@ is not really necessary, but sometimes it has
799 # more uses than just a directory name.
800 $(mkinstalldirs
) $(MULTIDIR
)
801 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
802 @multilib_dir@
,$(MULTIDIR
),$(subst \
803 @shlib_objs@
,$(objects
),$(subst \
804 @shlib_base_name@
,libunwind
,$(subst \
805 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_LINK
))))))
809 # Build the standard GCC startfiles and endfiles.
810 ALL_CRT_CFLAGS
= $(CFLAGS
) $(CRTSTUFF_CFLAGS
) $(INCLUDES
)
811 crt_compile
= $(CC
) $(ALL_CRT_CFLAGS
) -o
$@
$(compile_deps
)
813 ifeq ($(CUSTOM_CRTSTUFF
),)
814 crtbegin
$(objext
): $(gcc_srcdir
)/crtstuff.c
815 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
816 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
818 crtend
$(objext
): $(gcc_srcdir
)/crtstuff.c
819 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
820 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
822 # These are versions of crtbegin and crtend for shared libraries.
823 crtbeginS
$(objext
): $(gcc_srcdir
)/crtstuff.c
824 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
825 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFS_O
827 crtendS
$(objext
): $(gcc_srcdir
)/crtstuff.c
828 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
829 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
-DCRTSTUFFS_O
831 # This is a version of crtbegin for -static links.
832 crtbeginT.o
: $(gcc_srcdir
)/crtstuff.c
833 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
834 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFT_O
837 # Build extra startfiles in the libgcc directory.
838 .PHONY
: libgcc-extra-parts
839 libgcc-extra-parts
: $(EXTRA_PARTS
)
840 ifneq ($(GCC_EXTRA_PARTS
),)
841 ifneq ($(sort $(EXTRA_PARTS
)),$(GCC_EXTRA_PARTS
))
842 # If the gcc directory specifies which extra parts to
843 # build for this target, and the libgcc configuration also
844 # specifies, make sure they match. This can be removed
845 # when the gcc directory no longer holds libgcc configuration;
846 # it is useful when migrating a target.
847 @echo
"Configuration mismatch!"
848 @echo
"Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
849 @echo
"Extra parts from libgcc: $(EXTRA_PARTS)"
854 # Early copyback; see "all" above for the rationale. The
855 # early copy is necessary so that the gcc -B options find
856 # the right startup files when linking shared libgcc.
857 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
858 parts
="$(EXTRA_PARTS)"; \
859 for file in
$$parts; do \
860 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
861 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
864 # Build extra startfiles in the gcc directory, for unconverted
866 .PHONY
: gcc-extra-parts
868 # Recursively invoke make in the GCC directory to build any
869 # startfiles (for now). We must do this just once, passing
870 # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
871 # so that rules which cannot execute simultaneously are properly
872 # serialized. We indirect through T_TARGET in case any multilib
873 # directories contain an equals sign, to prevent make from
874 # interpreting any of the goals as variable assignments.
876 # We must use cd && make rather than make -C, or else the stage
877 # number will be embedded in debug information.
879 T
=`$(PWD_COMMAND)`/ \
880 && cd
$(gcc_objdir
) \
881 && $(MAKE
) GCC_FOR_TARGET
="$(CC)" \
882 MULTILIB_CFLAGS
="$(CFLAGS)" \
884 T_TARGET
="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
887 # Early copyback; see "all" above for the rationale. The
888 # early copy is necessary so that the gcc -B options find
889 # the right startup files when linking shared libgcc.
890 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
891 parts
="$(GCC_EXTRA_PARTS)"; \
892 for file in
$$parts; do \
893 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
894 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
899 # Documentation targets (empty).
900 .PHONY
: info html
dvi pdf install-info install-html install-pdf
910 # Install rules. These do not depend on "all", so that they can be invoked
911 # recursively from it.
913 $(mkinstalldirs
) $(DESTDIR
)$(inst_slibdir
)
915 # NOTE: Maybe this should go into $(inst_libdir), but this
916 # is where the old mklibgcc.in put it.
917 $(INSTALL_DATA
) libunwind.a
$(DESTDIR
)$(inst_slibdir
)/
918 chmod
644 $(DESTDIR
)$(inst_slibdir
)/libunwind.a
919 $(RANLIB
) $(DESTDIR
)$(inst_slibdir
)/libunwind.a
921 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
922 @shlib_base_name@
,libunwind
,$(subst \
923 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_INSTALL
))))
926 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
928 $(INSTALL_DATA
) libgcc_eh.a
$(DESTDIR
)$(inst_libdir
)/
929 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
930 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
932 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
933 @shlib_base_name@
,libgcc_s
,$(subst \
934 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIB_INSTALL
))))
936 install-leaf
: $(install-shared
) $(install-libunwind
)
937 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
939 $(INSTALL_DATA
) libgcc.a
$(DESTDIR
)$(inst_libdir
)/
940 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc.a
941 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc.a
942 $(INSTALL_DATA
) libgcov.a
$(DESTDIR
)$(inst_libdir
)/
943 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcov.a
944 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcov.a
946 parts
="$(INSTALL_PARTS)"; \
947 for file in
$$parts; do \
948 rm -f
$(DESTDIR
)$(inst_libdir
)/$$file; \
949 $(INSTALL_DATA
) $$file $(DESTDIR
)$(inst_libdir
)/; \
952 install: install-leaf
953 @
$(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=install
955 .PHONY
: install install-shared install-libunwind
957 # Don't export variables to the environment, in order to not confuse
961 include $(srcdir)/empty.mk
$(wildcard *.dep
)
964 # Garbage collect in gcc/:
965 # $(LIBGCC) settings in t-* are now unused
967 # Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
968 # should move into the libgcc directory.