3 # Copyright (C) 2005, 2006, 2009, 2010 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 3 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 COPYING3. If not see
19 # <http://www.gnu.org/licenses/>.
22 libgcc_topdir
= @libgcc_topdir@
23 host_subdir
= @host_subdir@
25 gcc_srcdir
= $(libgcc_topdir
)/gcc
26 gcc_objdir
= $(MULTIBUILDTOP
)..
/..
/$(host_subdir
)/gcc
32 exec_prefix = @
exec_prefix@
34 shlib_slibdir
= @slibdir@
38 enable_shared
= @enable_shared@
39 decimal_float
= @decimal_float@
40 enable_decimal_float
= @enable_decimal_float@
41 fixed_point
= @fixed_point@
43 host_noncanonical
= @host_noncanonical@
44 target_noncanonical
= @target_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
146 $(srcdir)/..
/config
/enable.m4 \
147 $(srcdir)/..
/config
/tls.m4 \
148 $(srcdir)/..
/config
/acx.m4 \
149 $(srcdir)/..
/config
/no-executables.m4 \
150 $(srcdir)/..
/config
/override.m4 \
151 $(srcdir)/..
/config
/dfp.m4 \
153 $(srcdir)/configure
: @MAINT@
$(srcdir)/configure.ac
$(configure_deps
)
154 cd
$(srcdir) && $(AUTOCONF
)
156 include $(gcc_objdir
)/libgcc.mvars
158 # Flags to pass to recursive makes.
160 AR_FOR_TARGET
= $(AR
)
161 AR_FLAGS_FOR_TARGET
=
162 AR_CREATE_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) rc
163 AR_EXTRACT_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) x
165 GCC_FOR_TARGET
= $(CC
)
167 LIPO_FOR_TARGET
= $(LIPO
)
168 MACHMODE_H
= machmode.h mode-classes.def insn-modes.h
170 NM_FOR_TARGET
= $(NM
)
171 RANLIB_FOR_TARGET
= $(RANLIB
)
173 STRIP_FOR_TARGET
= $(STRIP
)
175 # Directory in which the compiler finds libraries etc.
176 libsubdir
= $(libdir)/gcc
/$(host_noncanonical
)/$(version
)
177 # Used to install the shared libgcc.
179 # Maybe used for DLLs on Windows targets.
180 toolexecdir
= @toolexecdir@
181 toolexeclibdir
= @toolexeclibdir@
184 export AR_CREATE_FOR_TARGET
185 export AR_FLAGS_FOR_TARGET
186 export AR_EXTRACT_FOR_TARGET
189 export GCC_FOR_TARGET
193 export LIBGCC2_CFLAGS
194 export LIPO_FOR_TARGET
197 export STRIP_FOR_TARGET
198 export RANLIB_FOR_TARGET
202 export toolexeclibdir
204 version
:= $(shell $(CC
) -dumpversion
)
206 ifeq ($(decimal_float
),yes
)
207 ifeq ($(enable_decimal_float
),bid
)
208 DECNUMINC
= -I
$(srcdir)/config
/libbid
-DENABLE_DECIMAL_BID_FORMAT
210 DECNUMINC
= -I
$(srcdir)/..
/libdecnumber
/$(enable_decimal_float
) \
211 -I
$(srcdir)/..
/libdecnumber
217 # Specify the directories to be searched for header files.
218 # Both . and srcdir are used, in that order,
219 # so that *config.h will be found in the compilation
220 # subdirectory rather than in the source directory.
221 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
222 # currently being compiled, in both source trees, to be examined as well.
223 INCLUDES
= -I.
-I
$(@D
) -I
$(gcc_objdir
) \
224 -I
$(srcdir) -I
$(srcdir)/$(@D
) -I
$(srcdir)/..
/gcc \
225 -I
$(srcdir)/..
/include $(DECNUMINC
)
227 # Forcibly remove any profiling-related flags. There is no point
228 # in supporting profiled bootstrap in this library.
229 override CFLAGS
:= $(filter-out -fprofile-generate
-fprofile-use
,$(CFLAGS
))
231 # CFLAGS first is not perfect; normally setting CFLAGS should override any
232 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
233 # will usually contain -g, so for the moment CFLAGS goes first. We must
234 # include CFLAGS - that's where multilib options live.
235 INTERNAL_CFLAGS
= $(CFLAGS
) $(LIBGCC2_CFLAGS
) $(HOST_LIBGCC2_CFLAGS
) \
236 $(INCLUDES
) @set_have_cc_tls@ @set_use_emutls@
238 MULTIDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-directory
)
239 MULTIOSDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-os-directory
)
241 MULTIOSSUBDIR
:= $(shell if
test $(MULTIOSDIR
) != .
; then echo
/$(MULTIOSDIR
); fi
)
242 inst_libdir
= $(libsubdir
)$(MULTISUBDIR
)
243 inst_slibdir
= $(slibdir
)$(MULTIOSSUBDIR
)
245 gcc_compile_bare
= $(CC
) $(INTERNAL_CFLAGS
)
246 compile_deps
= -MT
$@
-MD
-MP
-MF
$(basename $@
).dep
247 gcc_compile
= $(gcc_compile_bare
) -o
$@
$(compile_deps
)
248 gcc_s_compile
= $(gcc_compile
) -DSHARED
250 objects
= $(filter %$(objext
),$^
)
252 # Collect any host-specific information from Makefile fragments.
253 tmake_file
= @tmake_file@
254 include $(srcdir)/empty.mk
$(tmake_file
)
256 # Only handle shared libraries if both:
257 # - the user requested them
258 # - we know how to build them
259 ifeq ($(SHLIB_LINK
),)
263 ifeq ($(enable_shared
),yes
)
264 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/shared-object.mk
,$(iter-items
))
266 install-shared
= install-shared
268 ifneq ($(LIBUNWIND
),)
269 install-libunwind
= install-libunwind
272 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
273 # the command line, and a #define to prevent libgcc2.h etc from
274 # overriding that with #pragmas.
275 vis_hide
= @vis_hide@
279 # If we have -fvisibility=hidden, then we need to generate hide
280 # lists for object files implemented in assembly.
281 ASM_HIDDEN_OP
= @asm_hidden_op@
285 $(AWK
) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
287 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
291 gen-hide-list
= echo
> $@
296 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/static-object.mk
,$(iter-items
))
298 gen-hide-list
= echo
> \
$@
301 ifneq ($(EXTRA_PARTS
),)
302 extra-parts
= libgcc-extra-parts
303 INSTALL_PARTS
= $(EXTRA_PARTS
)
305 ifneq ($(GCC_EXTRA_PARTS
),)
306 extra-parts
= gcc-extra-parts
307 INSTALL_PARTS
= $(GCC_EXTRA_PARTS
)
311 # Library members defined in libgcc2.c.
312 lib2funcs
= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
313 _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
314 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
315 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
316 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
317 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
318 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
319 _divtc3 _bswapsi2 _bswapdi2
321 # The floating-point conversion routines that involve a single-word integer.
322 # XX stands for the integer mode.
323 swfloatfuncs
= $(patsubst %,_fixuns
%XX
,sf df xf
)
325 # Likewise double-word routines.
326 dwfloatfuncs
= $(patsubst %,_fix
%XX
,sf df xf tf
) \
327 $(patsubst %,_fixuns
%XX
,sf df xf tf
) \
328 $(patsubst %,_floatXX
%,sf df xf tf
) \
329 $(patsubst %,_floatunXX
%,sf df xf tf
)
331 ifeq ($(LIB2_SIDITI_CONV_FUNCS
),)
332 lib2funcs
+= $(subst XX
,si
,$(swfloatfuncs
))
333 lib2funcs
+= $(subst XX
,di
,$(dwfloatfuncs
))
336 # These might cause a divide overflow trap and so are compiled with
338 LIB2_DIVMOD_FUNCS
= _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
340 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
341 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
342 # in LIB2FUNCS_EXCLUDE.
343 lib2funcs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
),$(lib2funcs
))
344 LIB2_DIVMOD_FUNCS
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
), \
345 $(LIB2_DIVMOD_FUNCS
))
347 # Build "libgcc1" (assembly) components.
348 ifeq ($(enable_shared
),yes
)
350 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
351 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
) %.vis
352 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
353 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
) -include $*.vis
354 $(patsubst %,%.vis
,$(LIB1ASMFUNCS
)): %.vis
: %_s
$(objext
)
356 libgcc-objects
+= $(lib1asmfuncs-o
)
358 lib1asmfuncs-s-o
= $(patsubst %,%_s
$(objext
),$(LIB1ASMFUNCS
))
359 $(lib1asmfuncs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
360 $(gcc_s_compile
) -DL
$* -xassembler-with-cpp \
361 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
362 libgcc-s-objects
+= $(lib1asmfuncs-s-o
)
366 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
367 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
368 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
369 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
370 libgcc-objects
+= $(lib1asmfuncs-o
)
374 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
375 lib2funcs-o
= $(patsubst %,%$(objext
),$(lib2funcs
) $(LIB2FUNCS_ST
))
376 $(lib2funcs-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
377 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
379 libgcc-objects
+= $(lib2funcs-o
)
381 ifeq ($(enable_shared
),yes
)
382 lib2funcs-s-o
= $(patsubst %,%_s
$(objext
),$(lib2funcs
))
383 $(lib2funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
384 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c
385 libgcc-s-objects
+= $(lib2funcs-s-o
)
388 ifneq ($(LIB2_SIDITI_CONV_FUNCS
),)
389 # Build libgcc2.c for each conversion function, with a specific
390 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
391 # functions are built with a wordsize of 4; the TImode functions are
392 # built with the same labels, but a wordsize of 8.
394 sifuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,si
,$(swfloatfuncs
)))
395 difuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,di
,$(dwfloatfuncs
)))
396 tifuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,ti
,$(dwfloatfuncs
)))
398 iter-items
:= $(sifuncs
) $(difuncs
) $(tifuncs
)
399 iter-labels
:= $(sifuncs
) $(difuncs
) $(difuncs
)
400 iter-sizes
:= $(patsubst %,4,$(sifuncs
) $(difuncs
)) $(patsubst %,8,$(tifuncs
))
402 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/siditi-object.mk
,$(iter-items
))
404 libgcc-objects
+= $(patsubst %,%$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
405 ifeq ($(enable_shared
),yes
)
406 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
410 # Build LIB2_DIVMOD_FUNCS.
411 lib2-divmod-o
= $(patsubst %,%$(objext
),$(LIB2_DIVMOD_FUNCS
))
412 $(lib2-divmod-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
413 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
414 -fexceptions
-fnon-call-exceptions
$(vis_hide
)
415 libgcc-objects
+= $(lib2-divmod-o
)
417 ifeq ($(enable_shared
),yes
)
418 lib2-divmod-s-o
= $(patsubst %,%_s
$(objext
),$(LIB2_DIVMOD_FUNCS
))
419 $(lib2-divmod-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
420 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
421 -fexceptions
-fnon-call-exceptions
422 libgcc-s-objects
+= $(lib2-divmod-s-o
)
425 # $(FPBIT) et al. are pathnames relative to the GCC build
426 # directory; the supporting files are made by the GCC
428 # FIXME: Soon we will be able to move this logic into this directory.
430 ifneq ($(fpbit-in-libgcc
),yes
)
431 FPBIT
:=$(if
$(FPBIT
),$(gcc_objdir
)/$(FPBIT
),)
432 DPBIT
:=$(if
$(DPBIT
),$(gcc_objdir
)/$(DPBIT
),)
433 TPBIT
:=$(if
$(TPBIT
),$(gcc_objdir
)/$(TPBIT
),)
437 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
438 FPBIT_FUNCS
:= $(filter-out _sf_to_tf
,$(FPBIT_FUNCS
))
439 DPBIT_FUNCS
:= $(filter-out _df_to_tf
,$(DPBIT_FUNCS
))
444 fpbit-o
= $(patsubst %,%$(objext
),$(FPBIT_FUNCS
))
445 $(fpbit-o
): %$(objext
): $(FPBIT
)
446 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
) $(vis_hide
)
447 libgcc-objects
+= $(fpbit-o
)
449 ifeq ($(enable_shared
),yes
)
450 fpbit-s-o
= $(patsubst %,%_s
$(objext
),$(FPBIT_FUNCS
))
451 $(fpbit-s-o
): %_s
$(objext
): $(FPBIT
)
452 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
)
453 libgcc-s-objects
+= $(fpbit-s-o
)
459 dpbit-o
= $(patsubst %,%$(objext
),$(DPBIT_FUNCS
))
460 $(dpbit-o
): %$(objext
): $(DPBIT
)
461 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
) $(vis_hide
)
462 libgcc-objects
+= $(dpbit-o
)
464 ifeq ($(enable_shared
),yes
)
465 dpbit-s-o
= $(patsubst %,%_s
$(objext
),$(DPBIT_FUNCS
))
466 $(dpbit-s-o
): %_s
$(objext
): $(DPBIT
)
467 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
)
468 libgcc-s-objects
+= $(dpbit-s-o
)
474 tpbit-o
= $(patsubst %,%$(objext
),$(TPBIT_FUNCS
))
475 $(tpbit-o
): %$(objext
): $(TPBIT
)
476 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
) $(vis_hide
)
477 libgcc-objects
+= $(tpbit-o
)
479 ifeq ($(enable_shared
),yes
)
480 tpbit-s-o
= $(patsubst %,%_s
$(objext
),$(TPBIT_FUNCS
))
481 $(tpbit-s-o
): %_s
$(objext
): $(TPBIT
)
482 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
)
483 libgcc-s-objects
+= $(tpbit-s-o
)
487 # Build decimal floating point support.
488 ifeq ($(decimal_float
),yes
)
490 # If $DFP_ENABLE is set, then we want all data type sizes.
491 ifneq ($(DFP_ENABLE
),)
498 ifneq ($(D32PBIT
)$(D64PBIT
)$(D128PBIT
),)
499 ifeq ($(enable_decimal_float
),bid
)
500 dfp-filenames
+= bid_decimal_globals bid_decimal_data \
501 bid_binarydecimal bid_convert_data \
502 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
503 bid128_noncomp bid128_fma bid_round bid_from_int \
504 bid64_add bid128_add bid64_div bid128_div \
505 bid64_mul bid128_mul bid64_compare bid128_compare \
506 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
507 bid64_to_int32 bid64_to_int64 \
508 bid64_to_uint32 bid64_to_uint64 \
509 bid128_to_int32 bid128_to_int64 \
510 bid128_to_uint32 bid128_to_uint64
512 dfp-filenames
+= decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
516 dfp-objects
= $(patsubst %,%$(objext
),$(dfp-filenames
))
517 ifeq ($(enable_decimal_float
),bid
)
518 $(dfp-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
520 $(dfp-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/%.c
523 libgcc-objects
+= $(dfp-objects
)
526 ifneq ($(enable_decimal_float
),bid
)
528 decbits-filenames
+= decimal32
532 decbits-filenames
+= decimal64
536 decbits-filenames
+= decimal128
540 decbits-objects
= $(patsubst %,%$(objext
),$(decbits-filenames
))
541 ifeq ($(enable_decimal_float
),bid
)
542 $(decbits-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
544 $(decbits-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/$(enable_decimal_float
)/%.c
547 libgcc-objects
+= $(decbits-objects
)
549 # Next build individual support functions.
550 ifeq ($(enable_decimal_float
),bid
)
552 D32PBIT_FUNCS
:=$(filter-out _plus_sd _minus_sd _conv_sd
, $(D32PBIT_FUNCS
))
556 D64PBIT_FUNCS
:=$(filter-out _plus_dd _minus_dd _conv_dd
, $(D64PBIT_FUNCS
))
560 D128PBIT_FUNCS
:=$(filter-out _plus_td _minus_td _conv_td
, $(D128PBIT_FUNCS
))
565 d32pbit-o
= $(patsubst %,%$(objext
),$(D32PBIT_FUNCS
))
566 ifeq ($(enable_decimal_float
),bid
)
567 $(d32pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
569 $(d32pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
571 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=32 -c
$<
572 libgcc-objects
+= $(d32pbit-o
)
576 d64pbit-o
= $(patsubst %,%$(objext
),$(D64PBIT_FUNCS
))
577 ifeq ($(enable_decimal_float
),bid
)
578 $(d64pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
580 $(d64pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
582 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=64 -c
$<
583 libgcc-objects
+= $(d64pbit-o
)
587 d128pbit-o
= $(patsubst %,%$(objext
),$(D128PBIT_FUNCS
))
588 ifeq ($(enable_decimal_float
),bid
)
589 $(d128pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
591 $(d128pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
593 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=128 -c
$<
594 libgcc-objects
+= $(d128pbit-o
)
599 ifeq ($(LIBGCC_SYNC
),yes
)
600 libgcc-sync-size-funcs
:= $(foreach op
, add sub or and xor nand
, \
601 sync_fetch_and_
$(op
) \
602 sync_
$(op
)_and_fetch
) \
603 sync_bool_compare_and_swap \
604 sync_val_compare_and_swap \
605 sync_lock_test_and_set
607 libgcc-sync-size-funcs
:= $(foreach prefix, $(libgcc-sync-size-funcs
), \
608 $(foreach suffix, 1 2 4 8 16, \
609 $(prefix)_
$(suffix)))
611 libgcc-sync-size-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-size-funcs
))
612 $(libgcc-sync-size-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
613 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
614 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
615 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
616 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
617 libgcc-objects
+= $(libgcc-sync-size-funcs-o
)
619 libgcc-sync-funcs
:= sync_synchronize
621 libgcc-sync-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-funcs
))
622 $(libgcc-sync-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
623 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
625 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
626 libgcc-objects
+= $(libgcc-sync-funcs-o
)
628 ifeq ($(enable_shared
),yes
)
629 libgcc-sync-size-funcs-s-o
= $(patsubst %,%_s
$(objext
), \
630 $(libgcc-sync-size-funcs
))
631 $(libgcc-sync-size-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
632 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
633 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
634 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
635 -c
$(gcc_srcdir
)/config
/sync.c
636 libgcc-s-objects
+= $(libgcc-sync-size-funcs-s-o
)
638 libgcc-sync-funcs-s-o
= $(patsubst %,%_s
$(objext
),$(libgcc-sync-funcs
))
639 $(libgcc-sync-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
640 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
642 -c
$(gcc_srcdir
)/config
/sync.c
643 libgcc-s-objects
+= $(libgcc-sync-funcs-s-o
)
647 # Build fixed-point support.
648 ifeq ($(fixed_point
),yes
)
650 # Generate permutations of function name and mode
651 fixed-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith labels
)
652 fixed-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith funcs
)
653 fixed-modes
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith modes
)
655 # Generate the rules for each arithmetic function
656 iter-items
:= $(fixed-funcs
)
657 iter-labels
:= $(fixed-labels
)
658 iter-from
:= $(fixed-modes
)
659 iter-to
:= $(fixed-modes
)
660 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
662 # Add arithmetic functions to list of objects to be built
663 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-funcs
))
664 ifeq ($(enable_shared
),yes
)
665 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-funcs
))
668 # Convert from or to fractional
669 fixed-conv-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv funcs
)
670 fixed-conv-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv labels
)
671 fixed-conv-from
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv from
)
672 fixed-conv-to
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv to
)
674 # Generate the make rules for each conversion function
675 iter-items
:= $(fixed-conv-funcs
)
676 iter-labels
:= $(fixed-conv-labels
)
677 iter-from
:= $(fixed-conv-from
)
678 iter-to
:= $(fixed-conv-to
)
679 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
681 # Add conversion functions to list of objects to be built
682 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-conv-funcs
))
683 ifeq ($(enable_shared
),yes
)
684 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-conv-funcs
))
689 # Build LIB2ADD and LIB2ADD_ST.
690 ifneq ($(filter-out %.c
%.S
%.asm
,$(LIB2ADD
) $(LIB2ADD_ST
)),)
691 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.
)
694 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD
))))
695 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD_ST
))))
698 iter-items
:= $(LIB2ADD
) $(LIB2ADD_ST
)
701 ifeq ($(enable_shared
),yes
)
702 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADD
))))
705 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
706 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
707 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
709 c_flags
:= -fexceptions
711 ifeq ($(enable_shared
),yes
)
713 libgcc-eh-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEHSTATIC
))))
714 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADDEHSHARED
))))
716 iter-items
:= $(sort $(LIB2ADDEHSTATIC
) $(LIB2ADDEHSHARED
))
720 # Not shared. LIB2ADDEH are added to libgcc.a.
722 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEH
))))
724 iter-items
:= $(LIB2ADDEH
)
731 c_flags
:= -fexceptions
733 libunwind-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIBUNWIND
))))
735 ifeq ($(enable_shared
),yes
)
736 libunwind-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIBUNWIND
))))
739 iter-items
:= $(LIBUNWIND
)
742 # Build libgcov components.
743 libgcov-objects
= $(patsubst %,%$(objext
),$(LIBGCOV
))
744 $(libgcov-objects
): %$(objext
): $(gcc_srcdir
)/libgcov.c
745 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcov.c
749 libgcc.a
: $(libgcc-objects
)
750 libgcov.a
: $(libgcov-objects
)
751 libunwind.a
: $(libunwind-objects
)
752 libgcc_eh.a
: $(libgcc-eh-objects
)
754 libgcc.a libgcov.a libunwind.a libgcc_eh.a
:
757 objects
="$(objects)"; \
758 if
test -z
"$$objects"; then \
759 echo
'int __libgcc_eh_dummy;' > eh_dummy.c
; \
760 $(gcc_compile_bare
) $(vis_hide
) -c eh_dummy.c \
761 -o eh_dummy
$(objext
); \
762 objects
=eh_dummy
$(objext
); \
764 $(AR_CREATE_FOR_TARGET
) $@
$$objects
768 all: libgcc.a libgcov.a
770 ifneq ($(LIBUNWIND
),)
772 libgcc_s
$(SHLIB_EXT
): libunwind
$(SHLIB_EXT
)
775 ifeq ($(enable_shared
),yes
)
776 all: libgcc_eh.a libgcc_s
$(SHLIB_EXT
)
777 ifneq ($(LIBUNWIND
),)
778 all: libunwind
$(SHLIB_EXT
)
782 ifeq ($(enable_shared
),yes
)
784 # Map-file generation.
785 ifneq ($(SHLIB_MKMAP
),)
786 libgcc.map
: $(SHLIB_MKMAP
) $(SHLIB_MAPFILES
) $(libgcc-s-objects
)
787 { $(NM
) $(SHLIB_NM_FLAGS
) $(libgcc-s-objects
); echo
%%; \
788 cat
$(SHLIB_MAPFILES
) \
789 | sed
-e
'/^[ ]*#/d' \
790 -e
's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
791 |
$(gcc_compile_bare
) -E
-xassembler-with-cpp
-; \
792 } |
$(AWK
) -f
$(SHLIB_MKMAP
) $(SHLIB_MKMAP_OPTS
) > tmp-
$@
794 libgcc_s
$(SHLIB_EXT
): libgcc.map
798 libgcc_s
$(SHLIB_EXT
): $(libgcc-s-objects
) $(extra-parts
)
799 # @multilib_flags@ is still needed because this may use
800 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
801 # @multilib_dir@ is not really necessary, but sometimes it has
802 # more uses than just a directory name.
803 $(mkinstalldirs
) $(MULTIDIR
)
804 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
805 @multilib_dir@
,$(MULTIDIR
),$(subst \
806 @shlib_objs@
,$(objects
),$(subst \
807 @shlib_base_name@
,libgcc_s
,$(subst \
808 @shlib_map_file@
,$(mapfile
),$(subst \
809 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(subst \
810 @shlib_slibdir@
,$(shlib_slibdir
),$(SHLIB_LINK
))))))))
812 libunwind
$(SHLIB_EXT
): $(libunwind-s-objects
) $(extra-parts
)
813 # @multilib_flags@ is still needed because this may use
814 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
815 # @multilib_dir@ is not really necessary, but sometimes it has
816 # more uses than just a directory name.
817 $(mkinstalldirs
) $(MULTIDIR
)
818 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
819 @multilib_dir@
,$(MULTIDIR
),$(subst \
820 @shlib_objs@
,$(objects
),$(subst \
821 @shlib_base_name@
,libunwind
,$(subst \
822 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_LINK
))))))
826 # Build the standard GCC startfiles and endfiles.
827 ALL_CRT_CFLAGS
= $(CFLAGS
) $(CRTSTUFF_CFLAGS
) $(INCLUDES
)
828 crt_compile
= $(CC
) $(ALL_CRT_CFLAGS
) -o
$@
$(compile_deps
)
830 ifeq ($(CUSTOM_CRTSTUFF
),)
831 crtbegin
$(objext
): $(gcc_srcdir
)/crtstuff.c
832 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
833 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
835 crtend
$(objext
): $(gcc_srcdir
)/crtstuff.c
836 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
837 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
839 # These are versions of crtbegin and crtend for shared libraries.
840 crtbeginS
$(objext
): $(gcc_srcdir
)/crtstuff.c
841 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
842 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFS_O
844 crtendS
$(objext
): $(gcc_srcdir
)/crtstuff.c
845 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
846 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
-DCRTSTUFFS_O
848 # This is a version of crtbegin for -static links.
849 crtbeginT.o
: $(gcc_srcdir
)/crtstuff.c
850 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
851 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFT_O
854 # Build extra startfiles in the libgcc directory.
855 .PHONY
: libgcc-extra-parts
856 libgcc-extra-parts
: $(EXTRA_PARTS
)
857 ifneq ($(GCC_EXTRA_PARTS
),)
858 ifneq ($(sort $(EXTRA_PARTS
)),$(GCC_EXTRA_PARTS
))
859 # If the gcc directory specifies which extra parts to
860 # build for this target, and the libgcc configuration also
861 # specifies, make sure they match. This can be removed
862 # when the gcc directory no longer holds libgcc configuration;
863 # it is useful when migrating a target.
864 @echo
"Configuration mismatch!"
865 @echo
"Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
866 @echo
"Extra parts from libgcc: $(EXTRA_PARTS)"
871 # Early copyback; see "all" above for the rationale. The
872 # early copy is necessary so that the gcc -B options find
873 # the right startup files when linking shared libgcc.
874 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
875 parts
="$(EXTRA_PARTS)"; \
876 for file in
$$parts; do \
877 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
878 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
881 $(RANLIB
) $(gcc_objdir
)$(MULTISUBDIR
)/$$file ;; \
885 # Build extra startfiles in the gcc directory, for unconverted
887 .PHONY
: gcc-extra-parts
889 # Recursively invoke make in the GCC directory to build any
890 # startfiles (for now). We must do this just once, passing
891 # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
892 # so that rules which cannot execute simultaneously are properly
893 # serialized. We indirect through T_TARGET in case any multilib
894 # directories contain an equals sign, to prevent make from
895 # interpreting any of the goals as variable assignments.
897 # We must use cd && make rather than make -C, or else the stage
898 # number will be embedded in debug information.
900 T
=`$(PWD_COMMAND)`/ \
901 && cd
$(gcc_objdir
) \
902 && $(MAKE
) GCC_FOR_TARGET
="$(CC)" \
903 MULTILIB_CFLAGS
="$(CFLAGS)" \
905 T_TARGET
="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
908 # Early copyback; see "all" above for the rationale. The
909 # early copy is necessary so that the gcc -B options find
910 # the right startup files when linking shared libgcc.
911 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
912 parts
="$(GCC_EXTRA_PARTS)"; \
913 for file in
$$parts; do \
914 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
915 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
918 $(RANLIB
) $(gcc_objdir
)$(MULTISUBDIR
)/$$file ;; \
924 # Documentation targets (empty).
925 .PHONY
: info html
dvi pdf install-info install-html install-pdf
935 # Install rules. These do not depend on "all", so that they can be invoked
936 # recursively from it.
938 $(mkinstalldirs
) $(DESTDIR
)$(inst_slibdir
)
940 # NOTE: Maybe this should go into $(inst_libdir), but this
941 # is where the old mklibgcc.in put it.
942 $(INSTALL_DATA
) libunwind.a
$(DESTDIR
)$(inst_slibdir
)/
943 chmod
644 $(DESTDIR
)$(inst_slibdir
)/libunwind.a
944 $(RANLIB
) $(DESTDIR
)$(inst_slibdir
)/libunwind.a
946 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
947 @shlib_base_name@
,libunwind
,$(subst \
948 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_INSTALL
))))
951 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
953 $(INSTALL_DATA
) libgcc_eh.a
$(DESTDIR
)$(inst_libdir
)/
954 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
955 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
957 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
958 @shlib_base_name@
,libgcc_s
,$(subst \
959 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIB_INSTALL
))))
961 install-leaf
: $(install-shared
) $(install-libunwind
)
962 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
964 $(INSTALL_DATA
) libgcc.a
$(DESTDIR
)$(inst_libdir
)/
965 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc.a
966 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc.a
967 $(INSTALL_DATA
) libgcov.a
$(DESTDIR
)$(inst_libdir
)/
968 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcov.a
969 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcov.a
971 parts
="$(INSTALL_PARTS)"; \
972 for file in
$$parts; do \
973 rm -f
$(DESTDIR
)$(inst_libdir
)/$$file; \
974 $(INSTALL_DATA
) $$file $(DESTDIR
)$(inst_libdir
)/; \
977 $(RANLIB
) $(gcc_objdir
)$(MULTISUBDIR
)/$$file ;; \
981 install: install-leaf
982 @
: $(MAKE
) ; $(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=install
984 install-strip
: install
986 .PHONY
: install install-shared install-libunwind install-strip
988 # Don't export variables to the environment, in order to not confuse
992 include $(srcdir)/empty.mk
$(wildcard *.dep
)
995 # Garbage collect in gcc/:
996 # $(LIBGCC) settings in t-* are now unused
998 # Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
999 # should move into the libgcc directory.