3 # Copyright (C) 2005, 2006, 2009 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@
45 # List of extra object files that should be compiled for this target machine.
46 # The rules for compiling them should be in the t-* file for the machine.
47 EXTRA_PARTS
= @extra_parts@
49 # Multilib support variables.
58 INSTALL_PROGRAM
= @INSTALL_PROGRAM@
59 INSTALL_DATA
= @INSTALL_DATA@
60 mkinstalldirs
= $(SHELL
) $(libgcc_topdir
)/mkinstalldirs
72 PWD_COMMAND
= $${PWDCMD-pwd
}
74 # Flags to pass to a recursive make.
77 "AR_FLAGS=$(AR_FLAGS)" \
80 "DESTDIR=$(DESTDIR)" \
81 "EXTRA_OFILES=$(EXTRA_OFILES)" \
82 "HDEFINES=$(HDEFINES)" \
83 "INSTALL=$(INSTALL)" \
84 "INSTALL_DATA=$(INSTALL_DATA)" \
85 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
86 "LDFLAGS=$(LDFLAGS)" \
87 "LOADLIBES=$(LOADLIBES)" \
91 "exec_prefix=$(exec_prefix)" \
93 "libsubdir=$(libsubdir)" \
96 # Dependencies for "all" are set later in the file.
98 # Now that we have built all the objects, we need to copy
99 # them back to the GCC directory. Too many things (other
100 # in-tree libraries, and DejaGNU) know about the layout
101 # of the build tree, for now.
102 $(MAKE
) install-leaf DESTDIR
=$(gcc_objdir
) \
103 slibdir
= libsubdir
= MULTIOSDIR
=$(MULTIDIR
)
107 # If this is the top-level multilib, build all the other
109 @
: $(MAKE
) ; exec
$(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=all
111 .PHONY
: check installcheck
118 -rm -f config.h stamp-h stmp-ldirs libgcc.map
122 -rm -f libunwind
$(SHLIB_EXT
)
124 @
$(MULTICLEAN
) multi-clean DO
=clean
126 @
$(MULTICLEAN
) multi-clean DO
=distclean
127 -rm -f
*~ Makefile config.cache config.status multilib.out
129 maintainer-clean
realclean: distclean
131 Makefile
: $(srcdir)/Makefile.in config.status
132 CONFIG_FILES
=Makefile CONFIG_HEADERS
= $(SHELL
) .
/config.status
134 # Depending on Makefile makes sure that config.status has been re-run
135 # if needed. This prevents problems with parallel builds.
136 config.h
: stamp-h
; @true
137 stamp-h
: $(srcdir)/config.in config.status Makefile
138 CONFIG_FILES
= CONFIG_HEADERS
=config.h
:$(srcdir)/config.in
$(SHELL
) .
/config.status
140 config.status
: $(srcdir)/configure
$(srcdir)/config.host
141 $(SHELL
) .
/config.status
--recheck
145 $(srcdir)/..
/config
/enable.m4 \
146 $(srcdir)/..
/config
/tls.m4 \
147 $(srcdir)/..
/config
/acx.m4 \
148 $(srcdir)/..
/config
/no-executables.m4 \
149 $(srcdir)/..
/config
/override.m4 \
150 $(srcdir)/..
/config
/dfp.m4 \
152 $(srcdir)/configure
: @MAINT@
$(srcdir)/configure.ac
$(configure_deps
)
153 cd
$(srcdir) && $(AUTOCONF
)
155 include $(gcc_objdir
)/libgcc.mvars
157 # Flags to pass to recursive makes.
159 AR_FOR_TARGET
= $(AR
)
160 AR_FLAGS_FOR_TARGET
=
161 AR_CREATE_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) rc
162 AR_EXTRACT_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) x
164 GCC_FOR_TARGET
= $(CC
)
166 LIPO_FOR_TARGET
= $(LIPO
)
167 MACHMODE_H
= machmode.h mode-classes.def insn-modes.h
169 NM_FOR_TARGET
= $(NM
)
170 RANLIB_FOR_TARGET
= $(RANLIB
)
172 STRIP_FOR_TARGET
= $(STRIP
)
174 # Directory in which the compiler finds libraries etc.
175 libsubdir
= $(libdir)/gcc
/$(host_noncanonical
)/$(version
)
176 # Used to install the shared libgcc.
180 export AR_CREATE_FOR_TARGET
181 export AR_FLAGS_FOR_TARGET
182 export AR_EXTRACT_FOR_TARGET
185 export GCC_FOR_TARGET
189 export LIBGCC2_CFLAGS
190 export LIPO_FOR_TARGET
193 export STRIP_FOR_TARGET
194 export RANLIB_FOR_TARGET
198 version
:= $(shell $(CC
) -dumpversion
)
200 ifeq ($(decimal_float
),yes
)
201 ifeq ($(enable_decimal_float
),bid
)
202 DECNUMINC
= -I
$(srcdir)/config
/libbid
-DENABLE_DECIMAL_BID_FORMAT
204 DECNUMINC
= -I
$(srcdir)/..
/libdecnumber
/$(enable_decimal_float
) \
205 -I
$(srcdir)/..
/libdecnumber
211 # Specify the directories to be searched for header files.
212 # Both . and srcdir are used, in that order,
213 # so that *config.h will be found in the compilation
214 # subdirectory rather than in the source directory.
215 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
216 # currently being compiled, in both source trees, to be examined as well.
217 INCLUDES
= -I.
-I
$(@D
) -I
$(gcc_objdir
) \
218 -I
$(srcdir) -I
$(srcdir)/$(@D
) -I
$(srcdir)/..
/gcc \
219 -I
$(srcdir)/..
/include $(DECNUMINC
)
221 # Forcibly remove any profiling-related flags. There is no point
222 # in supporting profiled bootstrap in this library.
223 override CFLAGS
:= $(filter-out -fprofile-generate
-fprofile-use
,$(CFLAGS
))
225 # CFLAGS first is not perfect; normally setting CFLAGS should override any
226 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
227 # will usually contain -g, so for the moment CFLAGS goes first. We must
228 # include CFLAGS - that's where multilib options live.
229 INTERNAL_CFLAGS
= $(CFLAGS
) $(LIBGCC2_CFLAGS
) $(HOST_LIBGCC2_CFLAGS
) \
230 $(INCLUDES
) @set_have_cc_tls@ @set_use_emutls@
232 MULTIDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-directory
)
233 MULTIOSDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-os-directory
)
235 MULTIOSSUBDIR
:= $(shell if
test $(MULTIOSDIR
) != .
; then echo
/$(MULTIOSDIR
); fi
)
236 inst_libdir
= $(libsubdir
)$(MULTISUBDIR
)
237 inst_slibdir
= $(slibdir
)$(MULTIOSSUBDIR
)
239 gcc_compile_bare
= $(CC
) $(INTERNAL_CFLAGS
)
240 compile_deps
= -MT
$@
-MD
-MP
-MF
$(basename $@
).dep
241 gcc_compile
= $(gcc_compile_bare
) -o
$@
$(compile_deps
)
242 gcc_s_compile
= $(gcc_compile
) -DSHARED
244 objects
= $(filter %$(objext
),$^
)
246 # Collect any host-specific information from Makefile fragments.
247 tmake_file
= @tmake_file@
248 include $(srcdir)/empty.mk
$(tmake_file
)
250 # Only handle shared libraries if both:
251 # - the user requested them
252 # - we know how to build them
253 ifeq ($(SHLIB_LINK
),)
257 ifeq ($(enable_shared
),yes
)
258 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/shared-object.mk
,$(iter-items
))
260 install-shared
= install-shared
262 ifneq ($(LIBUNWIND
),)
263 install-libunwind
= install-libunwind
266 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
267 # the command line, and a #define to prevent libgcc2.h etc from
268 # overriding that with #pragmas.
269 vis_hide
= @vis_hide@
273 # If we have -fvisibility=hidden, then we need to generate hide
274 # lists for object files implemented in assembly.
275 ASM_HIDDEN_OP
= @asm_hidden_op@
279 $(AWK
) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
281 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
285 gen-hide-list
= echo
> $@
290 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/static-object.mk
,$(iter-items
))
292 gen-hide-list
= echo
> \
$@
295 ifneq ($(EXTRA_PARTS
),)
296 extra-parts
= libgcc-extra-parts
297 INSTALL_PARTS
= $(EXTRA_PARTS
)
299 ifneq ($(GCC_EXTRA_PARTS
),)
300 extra-parts
= gcc-extra-parts
301 INSTALL_PARTS
= $(GCC_EXTRA_PARTS
)
305 # Library members defined in libgcc2.c.
306 lib2funcs
= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
307 _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
308 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
309 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
310 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
311 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
312 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
313 _divtc3 _bswapsi2 _bswapdi2
315 # The floating-point conversion routines that involve a single-word integer.
316 # XX stands for the integer mode.
317 swfloatfuncs
= $(patsubst %,_fixuns
%XX
,sf df xf
)
319 # Likewise double-word routines.
320 dwfloatfuncs
= $(patsubst %,_fix
%XX
,sf df xf tf
) \
321 $(patsubst %,_fixuns
%XX
,sf df xf tf
) \
322 $(patsubst %,_floatXX
%,sf df xf tf
) \
323 $(patsubst %,_floatunXX
%,sf df xf tf
)
325 ifeq ($(LIB2_SIDITI_CONV_FUNCS
),)
326 lib2funcs
+= $(subst XX
,si
,$(swfloatfuncs
))
327 lib2funcs
+= $(subst XX
,di
,$(dwfloatfuncs
))
330 # These might cause a divide overflow trap and so are compiled with
332 LIB2_DIVMOD_FUNCS
= _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
334 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
335 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
336 # in LIB2FUNCS_EXCLUDE.
337 lib2funcs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
),$(lib2funcs
))
338 LIB2_DIVMOD_FUNCS
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
), \
339 $(LIB2_DIVMOD_FUNCS
))
341 # Build "libgcc1" (assembly) components.
342 ifeq ($(enable_shared
),yes
)
344 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
345 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
) %.vis
346 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
347 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
) -include $*.vis
348 $(patsubst %,%.vis
,$(LIB1ASMFUNCS
)): %.vis
: %_s
$(objext
)
350 libgcc-objects
+= $(lib1asmfuncs-o
)
352 lib1asmfuncs-s-o
= $(patsubst %,%_s
$(objext
),$(LIB1ASMFUNCS
))
353 $(lib1asmfuncs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
354 $(gcc_s_compile
) -DL
$* -xassembler-with-cpp \
355 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
356 libgcc-s-objects
+= $(lib1asmfuncs-s-o
)
360 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
361 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
362 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
363 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
364 libgcc-objects
+= $(lib1asmfuncs-o
)
368 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
369 lib2funcs-o
= $(patsubst %,%$(objext
),$(lib2funcs
) $(LIB2FUNCS_ST
))
370 $(lib2funcs-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
371 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
373 libgcc-objects
+= $(lib2funcs-o
)
375 ifeq ($(enable_shared
),yes
)
376 lib2funcs-s-o
= $(patsubst %,%_s
$(objext
),$(lib2funcs
))
377 $(lib2funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
378 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c
379 libgcc-s-objects
+= $(lib2funcs-s-o
)
382 ifneq ($(LIB2_SIDITI_CONV_FUNCS
),)
383 # Build libgcc2.c for each conversion function, with a specific
384 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
385 # functions are built with a wordsize of 4; the TImode functions are
386 # built with the same labels, but a wordsize of 8.
388 sifuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,si
,$(swfloatfuncs
)))
389 difuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,di
,$(dwfloatfuncs
)))
390 tifuncs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
),$(subst XX
,ti
,$(dwfloatfuncs
)))
392 iter-items
:= $(sifuncs
) $(difuncs
) $(tifuncs
)
393 iter-labels
:= $(sifuncs
) $(difuncs
) $(difuncs
)
394 iter-sizes
:= $(patsubst %,4,$(sifuncs
) $(difuncs
)) $(patsubst %,8,$(tifuncs
))
396 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/siditi-object.mk
,$(iter-items
))
398 libgcc-objects
+= $(patsubst %,%$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
399 ifeq ($(enable_shared
),yes
)
400 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
404 # Build LIB2_DIVMOD_FUNCS.
405 lib2-divmod-o
= $(patsubst %,%$(objext
),$(LIB2_DIVMOD_FUNCS
))
406 $(lib2-divmod-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
407 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
408 -fexceptions
-fnon-call-exceptions
$(vis_hide
)
409 libgcc-objects
+= $(lib2-divmod-o
)
411 ifeq ($(enable_shared
),yes
)
412 lib2-divmod-s-o
= $(patsubst %,%_s
$(objext
),$(LIB2_DIVMOD_FUNCS
))
413 $(lib2-divmod-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
414 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
415 -fexceptions
-fnon-call-exceptions
416 libgcc-s-objects
+= $(lib2-divmod-s-o
)
419 # $(FPBIT) et al. are pathnames relative to the GCC build
420 # directory; the supporting files are made by the GCC
422 # FIXME: Soon we will be able to move this logic into this directory.
424 ifneq ($(fpbit-in-libgcc
),yes
)
425 FPBIT
:=$(if
$(FPBIT
),$(gcc_objdir
)/$(FPBIT
),)
426 DPBIT
:=$(if
$(DPBIT
),$(gcc_objdir
)/$(DPBIT
),)
427 TPBIT
:=$(if
$(TPBIT
),$(gcc_objdir
)/$(TPBIT
),)
431 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
432 FPBIT_FUNCS
:= $(filter-out _sf_to_tf
,$(FPBIT_FUNCS
))
433 DPBIT_FUNCS
:= $(filter-out _df_to_tf
,$(DPBIT_FUNCS
))
438 fpbit-o
= $(patsubst %,%$(objext
),$(FPBIT_FUNCS
))
439 $(fpbit-o
): %$(objext
): $(FPBIT
)
440 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
) $(vis_hide
)
441 libgcc-objects
+= $(fpbit-o
)
443 ifeq ($(enable_shared
),yes
)
444 fpbit-s-o
= $(patsubst %,%_s
$(objext
),$(FPBIT_FUNCS
))
445 $(fpbit-s-o
): %_s
$(objext
): $(FPBIT
)
446 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
)
447 libgcc-s-objects
+= $(fpbit-s-o
)
453 dpbit-o
= $(patsubst %,%$(objext
),$(DPBIT_FUNCS
))
454 $(dpbit-o
): %$(objext
): $(DPBIT
)
455 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
) $(vis_hide
)
456 libgcc-objects
+= $(dpbit-o
)
458 ifeq ($(enable_shared
),yes
)
459 dpbit-s-o
= $(patsubst %,%_s
$(objext
),$(DPBIT_FUNCS
))
460 $(dpbit-s-o
): %_s
$(objext
): $(DPBIT
)
461 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
)
462 libgcc-s-objects
+= $(dpbit-s-o
)
468 tpbit-o
= $(patsubst %,%$(objext
),$(TPBIT_FUNCS
))
469 $(tpbit-o
): %$(objext
): $(TPBIT
)
470 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
) $(vis_hide
)
471 libgcc-objects
+= $(tpbit-o
)
473 ifeq ($(enable_shared
),yes
)
474 tpbit-s-o
= $(patsubst %,%_s
$(objext
),$(TPBIT_FUNCS
))
475 $(tpbit-s-o
): %_s
$(objext
): $(TPBIT
)
476 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
)
477 libgcc-s-objects
+= $(tpbit-s-o
)
481 # Build decimal floating point support.
482 ifeq ($(decimal_float
),yes
)
484 # If $DFP_ENABLE is set, then we want all data type sizes.
485 ifneq ($(DFP_ENABLE
),)
492 ifneq ($(D32PBIT
)$(D64PBIT
)$(D128PBIT
),)
493 ifeq ($(enable_decimal_float
),bid
)
494 dfp-filenames
+= bid_decimal_globals bid_decimal_data \
495 bid_binarydecimal bid_convert_data \
496 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
497 bid128_noncomp bid128_fma bid_round bid_from_int \
498 bid64_add bid128_add bid64_div bid128_div \
499 bid64_mul bid128_mul bid64_compare bid128_compare \
500 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
501 bid64_to_int32 bid64_to_int64 \
502 bid64_to_uint32 bid64_to_uint64 \
503 bid128_to_int32 bid128_to_int64 \
504 bid128_to_uint32 bid128_to_uint64
506 dfp-filenames
+= decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
510 dfp-objects
= $(patsubst %,%$(objext
),$(dfp-filenames
))
511 ifeq ($(enable_decimal_float
),bid
)
512 $(dfp-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
514 $(dfp-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/%.c
517 libgcc-objects
+= $(dfp-objects
)
520 ifneq ($(enable_decimal_float
),bid
)
522 decbits-filenames
+= decimal32
526 decbits-filenames
+= decimal64
530 decbits-filenames
+= decimal128
534 decbits-objects
= $(patsubst %,%$(objext
),$(decbits-filenames
))
535 ifeq ($(enable_decimal_float
),bid
)
536 $(decbits-objects
): %$(objext
): $(srcdir)/config
/libbid
/%.c
538 $(decbits-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/$(enable_decimal_float
)/%.c
541 libgcc-objects
+= $(decbits-objects
)
543 # Next build individual support functions.
544 ifeq ($(enable_decimal_float
),bid
)
546 D32PBIT_FUNCS
:=$(filter-out _plus_sd _minus_sd _conv_sd
, $(D32PBIT_FUNCS
))
550 D64PBIT_FUNCS
:=$(filter-out _plus_dd _minus_dd _conv_dd
, $(D64PBIT_FUNCS
))
554 D128PBIT_FUNCS
:=$(filter-out _plus_td _minus_td _conv_td
, $(D128PBIT_FUNCS
))
559 d32pbit-o
= $(patsubst %,%$(objext
),$(D32PBIT_FUNCS
))
560 ifeq ($(enable_decimal_float
),bid
)
561 $(d32pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
563 $(d32pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
565 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=32 -c
$<
566 libgcc-objects
+= $(d32pbit-o
)
570 d64pbit-o
= $(patsubst %,%$(objext
),$(D64PBIT_FUNCS
))
571 ifeq ($(enable_decimal_float
),bid
)
572 $(d64pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
574 $(d64pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
576 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=64 -c
$<
577 libgcc-objects
+= $(d64pbit-o
)
581 d128pbit-o
= $(patsubst %,%$(objext
),$(D128PBIT_FUNCS
))
582 ifeq ($(enable_decimal_float
),bid
)
583 $(d128pbit-o
): %$(objext
): $(srcdir)/config
/libbid
/%.c
585 $(d128pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
587 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=128 -c
$<
588 libgcc-objects
+= $(d128pbit-o
)
593 ifeq ($(LIBGCC_SYNC
),yes
)
594 libgcc-sync-size-funcs
:= $(foreach op
, add sub or and xor nand
, \
595 sync_fetch_and_
$(op
) \
596 sync_
$(op
)_and_fetch
) \
597 sync_bool_compare_and_swap \
598 sync_val_compare_and_swap \
599 sync_lock_test_and_set
601 libgcc-sync-size-funcs
:= $(foreach prefix, $(libgcc-sync-size-funcs
), \
602 $(foreach suffix, 1 2 4 8 16, \
603 $(prefix)_
$(suffix)))
605 libgcc-sync-size-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-size-funcs
))
606 $(libgcc-sync-size-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
607 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
608 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
609 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
610 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
611 libgcc-objects
+= $(libgcc-sync-size-funcs-o
)
613 libgcc-sync-funcs
:= sync_synchronize
615 libgcc-sync-funcs-o
= $(patsubst %,%$(objext
),$(libgcc-sync-funcs
))
616 $(libgcc-sync-funcs-o
): %$(objext
): $(gcc_srcdir
)/config
/sync.c
617 $(gcc_compile
) $(LIBGCC_SYNC_CFLAGS
) \
619 -c
$(gcc_srcdir
)/config
/sync.c
$(vis_hide
)
620 libgcc-objects
+= $(libgcc-sync-funcs-o
)
622 ifeq ($(enable_shared
),yes
)
623 libgcc-sync-size-funcs-s-o
= $(patsubst %,%_s
$(objext
), \
624 $(libgcc-sync-size-funcs
))
625 $(libgcc-sync-size-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
626 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
627 -DFN
=`echo "$*" | sed 's/_[^_]*$$//'` \
628 -DSIZE
=`echo "$*" | sed 's/.*_//'` \
629 -c
$(gcc_srcdir
)/config
/sync.c
630 libgcc-s-objects
+= $(libgcc-sync-size-funcs-s-o
)
632 libgcc-sync-funcs-s-o
= $(patsubst %,%_s
$(objext
),$(libgcc-sync-funcs
))
633 $(libgcc-sync-funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/sync.c
634 $(gcc_s_compile
) $(LIBGCC_SYNC_CFLAGS
) \
636 -c
$(gcc_srcdir
)/config
/sync.c
637 libgcc-s-objects
+= $(libgcc-sync-funcs-s-o
)
641 # Build fixed-point support.
642 ifeq ($(fixed_point
),yes
)
644 # Generate permutations of function name and mode
645 fixed-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith labels
)
646 fixed-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith funcs
)
647 fixed-modes
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh arith modes
)
649 # Generate the rules for each arithmetic function
650 iter-items
:= $(fixed-funcs
)
651 iter-labels
:= $(fixed-labels
)
652 iter-from
:= $(fixed-modes
)
653 iter-to
:= $(fixed-modes
)
654 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
656 # Add arithmetic functions to list of objects to be built
657 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-funcs
))
658 ifeq ($(enable_shared
),yes
)
659 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-funcs
))
662 # Convert from or to fractional
663 fixed-conv-funcs
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv funcs
)
664 fixed-conv-labels
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv labels
)
665 fixed-conv-from
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv from
)
666 fixed-conv-to
:= $(shell $(SHELL
) $(srcdir)/gen-fixed.sh conv to
)
668 # Generate the make rules for each conversion function
669 iter-items
:= $(fixed-conv-funcs
)
670 iter-labels
:= $(fixed-conv-labels
)
671 iter-from
:= $(fixed-conv-from
)
672 iter-to
:= $(fixed-conv-to
)
673 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/fixed-obj.mk
,$(iter-items
))
675 # Add conversion functions to list of objects to be built
676 libgcc-objects
+= $(patsubst %,%$(objext
),$(fixed-conv-funcs
))
677 ifeq ($(enable_shared
),yes
)
678 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(fixed-conv-funcs
))
683 # Build LIB2ADD and LIB2ADD_ST.
684 ifneq ($(filter-out %.c
%.S
%.asm
,$(LIB2ADD
) $(LIB2ADD_ST
)),)
685 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.
)
688 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD
))))
689 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD_ST
))))
692 iter-items
:= $(LIB2ADD
) $(LIB2ADD_ST
)
695 ifeq ($(enable_shared
),yes
)
696 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADD
))))
699 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
700 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
701 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
703 c_flags
:= -fexceptions
705 ifeq ($(enable_shared
),yes
)
707 libgcc-eh-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEHSTATIC
))))
708 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADDEHSHARED
))))
710 iter-items
:= $(sort $(LIB2ADDEHSTATIC
) $(LIB2ADDEHSHARED
))
714 # Not shared. LIB2ADDEH are added to libgcc.a.
716 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEH
))))
718 iter-items
:= $(LIB2ADDEH
)
725 c_flags
:= -fexceptions
727 libunwind-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIBUNWIND
))))
729 ifeq ($(enable_shared
),yes
)
730 libunwind-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIBUNWIND
))))
733 iter-items
:= $(LIBUNWIND
)
736 # Build libgcov components.
737 libgcov-objects
= $(patsubst %,%$(objext
),$(LIBGCOV
))
738 $(libgcov-objects
): %$(objext
): $(gcc_srcdir
)/libgcov.c
739 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcov.c
743 libgcc.a
: $(libgcc-objects
)
744 libgcov.a
: $(libgcov-objects
)
745 libunwind.a
: $(libunwind-objects
)
746 libgcc_eh.a
: $(libgcc-eh-objects
)
748 libgcc.a libgcov.a libunwind.a libgcc_eh.a
:
751 objects
="$(objects)"; \
752 if
test -z
"$$objects"; then \
753 echo
'int __libgcc_eh_dummy;' > eh_dummy.c
; \
754 $(gcc_compile_bare
) $(vis_hide
) -c eh_dummy.c \
755 -o eh_dummy
$(objext
); \
756 objects
=eh_dummy
$(objext
); \
758 $(AR_CREATE_FOR_TARGET
) $@
$$objects
762 all: libgcc.a libgcov.a
764 ifneq ($(LIBUNWIND
),)
766 libgcc_s
$(SHLIB_EXT
): libunwind
$(SHLIB_EXT
)
769 ifeq ($(enable_shared
),yes
)
770 all: libgcc_eh.a libgcc_s
$(SHLIB_EXT
)
771 ifneq ($(LIBUNWIND
),)
772 all: libunwind
$(SHLIB_EXT
)
776 ifeq ($(enable_shared
),yes
)
778 # Map-file generation.
779 ifneq ($(SHLIB_MKMAP
),)
780 libgcc.map
: $(SHLIB_MKMAP
) $(SHLIB_MAPFILES
) $(libgcc-s-objects
)
781 { $(NM
) $(SHLIB_NM_FLAGS
) $(libgcc-s-objects
); echo
%%; \
782 cat
$(SHLIB_MAPFILES
) \
783 | sed
-e
'/^[ ]*#/d' \
784 -e
's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
785 |
$(gcc_compile_bare
) -E
-xassembler-with-cpp
-; \
786 } |
$(AWK
) -f
$(SHLIB_MKMAP
) $(SHLIB_MKMAP_OPTS
) > tmp-
$@
788 libgcc_s
$(SHLIB_EXT
): libgcc.map
792 libgcc_s
$(SHLIB_EXT
): $(libgcc-s-objects
) $(extra-parts
)
793 # @multilib_flags@ is still needed because this may use
794 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
795 # @multilib_dir@ is not really necessary, but sometimes it has
796 # more uses than just a directory name.
797 $(mkinstalldirs
) $(MULTIDIR
)
798 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
799 @multilib_dir@
,$(MULTIDIR
),$(subst \
800 @shlib_objs@
,$(objects
),$(subst \
801 @shlib_base_name@
,libgcc_s
,$(subst \
802 @shlib_map_file@
,$(mapfile
),$(subst \
803 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(subst \
804 @shlib_slibdir@
,$(shlib_slibdir
),$(SHLIB_LINK
))))))))
806 libunwind
$(SHLIB_EXT
): $(libunwind-s-objects
) $(extra-parts
)
807 # @multilib_flags@ is still needed because this may use
808 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
809 # @multilib_dir@ is not really necessary, but sometimes it has
810 # more uses than just a directory name.
811 $(mkinstalldirs
) $(MULTIDIR
)
812 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
813 @multilib_dir@
,$(MULTIDIR
),$(subst \
814 @shlib_objs@
,$(objects
),$(subst \
815 @shlib_base_name@
,libunwind
,$(subst \
816 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_LINK
))))))
820 # Build the standard GCC startfiles and endfiles.
821 ALL_CRT_CFLAGS
= $(CFLAGS
) $(CRTSTUFF_CFLAGS
) $(INCLUDES
)
822 crt_compile
= $(CC
) $(ALL_CRT_CFLAGS
) -o
$@
$(compile_deps
)
824 ifeq ($(CUSTOM_CRTSTUFF
),)
825 crtbegin
$(objext
): $(gcc_srcdir
)/crtstuff.c
826 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
827 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
829 crtend
$(objext
): $(gcc_srcdir
)/crtstuff.c
830 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
831 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
833 # These are versions of crtbegin and crtend for shared libraries.
834 crtbeginS
$(objext
): $(gcc_srcdir
)/crtstuff.c
835 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
836 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFS_O
838 crtendS
$(objext
): $(gcc_srcdir
)/crtstuff.c
839 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
840 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
-DCRTSTUFFS_O
842 # This is a version of crtbegin for -static links.
843 crtbeginT.o
: $(gcc_srcdir
)/crtstuff.c
844 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
845 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFT_O
848 # Build extra startfiles in the libgcc directory.
849 .PHONY
: libgcc-extra-parts
850 libgcc-extra-parts
: $(EXTRA_PARTS
)
851 ifneq ($(GCC_EXTRA_PARTS
),)
852 ifneq ($(sort $(EXTRA_PARTS
)),$(GCC_EXTRA_PARTS
))
853 # If the gcc directory specifies which extra parts to
854 # build for this target, and the libgcc configuration also
855 # specifies, make sure they match. This can be removed
856 # when the gcc directory no longer holds libgcc configuration;
857 # it is useful when migrating a target.
858 @echo
"Configuration mismatch!"
859 @echo
"Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
860 @echo
"Extra parts from libgcc: $(EXTRA_PARTS)"
865 # Early copyback; see "all" above for the rationale. The
866 # early copy is necessary so that the gcc -B options find
867 # the right startup files when linking shared libgcc.
868 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
869 parts
="$(EXTRA_PARTS)"; \
870 for file in
$$parts; do \
871 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
872 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
875 # Build extra startfiles in the gcc directory, for unconverted
877 .PHONY
: gcc-extra-parts
879 # Recursively invoke make in the GCC directory to build any
880 # startfiles (for now). We must do this just once, passing
881 # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
882 # so that rules which cannot execute simultaneously are properly
883 # serialized. We indirect through T_TARGET in case any multilib
884 # directories contain an equals sign, to prevent make from
885 # interpreting any of the goals as variable assignments.
887 # We must use cd && make rather than make -C, or else the stage
888 # number will be embedded in debug information.
890 T
=`$(PWD_COMMAND)`/ \
891 && cd
$(gcc_objdir
) \
892 && $(MAKE
) GCC_FOR_TARGET
="$(CC)" \
893 MULTILIB_CFLAGS
="$(CFLAGS)" \
895 T_TARGET
="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
898 # Early copyback; see "all" above for the rationale. The
899 # early copy is necessary so that the gcc -B options find
900 # the right startup files when linking shared libgcc.
901 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
902 parts
="$(GCC_EXTRA_PARTS)"; \
903 for file in
$$parts; do \
904 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
905 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
910 # Documentation targets (empty).
911 .PHONY
: info html
dvi pdf install-info install-html install-pdf
921 # Install rules. These do not depend on "all", so that they can be invoked
922 # recursively from it.
924 $(mkinstalldirs
) $(DESTDIR
)$(inst_slibdir
)
926 # NOTE: Maybe this should go into $(inst_libdir), but this
927 # is where the old mklibgcc.in put it.
928 $(INSTALL_DATA
) libunwind.a
$(DESTDIR
)$(inst_slibdir
)/
929 chmod
644 $(DESTDIR
)$(inst_slibdir
)/libunwind.a
930 $(RANLIB
) $(DESTDIR
)$(inst_slibdir
)/libunwind.a
932 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
933 @shlib_base_name@
,libunwind
,$(subst \
934 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_INSTALL
))))
937 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
939 $(INSTALL_DATA
) libgcc_eh.a
$(DESTDIR
)$(inst_libdir
)/
940 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
941 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
943 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
944 @shlib_base_name@
,libgcc_s
,$(subst \
945 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIB_INSTALL
))))
947 install-leaf
: $(install-shared
) $(install-libunwind
)
948 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
950 $(INSTALL_DATA
) libgcc.a
$(DESTDIR
)$(inst_libdir
)/
951 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc.a
952 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc.a
953 $(INSTALL_DATA
) libgcov.a
$(DESTDIR
)$(inst_libdir
)/
954 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcov.a
955 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcov.a
957 parts
="$(INSTALL_PARTS)"; \
958 for file in
$$parts; do \
959 rm -f
$(DESTDIR
)$(inst_libdir
)/$$file; \
960 $(INSTALL_DATA
) $$file $(DESTDIR
)$(inst_libdir
)/; \
963 install: install-leaf
964 @
: $(MAKE
) ; $(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=install
966 .PHONY
: install install-shared install-libunwind
968 # Don't export variables to the environment, in order to not confuse
972 include $(srcdir)/empty.mk
$(wildcard *.dep
)
975 # Garbage collect in gcc/:
976 # $(LIBGCC) settings in t-* are now unused
978 # Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
979 # should move into the libgcc directory.