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@
38 enable_shared
= @enable_shared@
39 decimal_float
= @decimal_float@
40 enable_decimal_float
= @enable_decimal_float@
42 host_noncanonical
= @host_noncanonical@
44 # List of extra object files that should be compiled for this target machine.
45 # The rules for compiling them should be in the t-* file for the machine.
46 EXTRA_PARTS
= @extra_parts@
48 # Multilib support variables.
57 INSTALL_PROGRAM
= @INSTALL_PROGRAM@
58 INSTALL_DATA
= @INSTALL_DATA@
59 mkinstalldirs
= $(SHELL
) $(libgcc_topdir
)/mkinstalldirs
71 PWD_COMMAND
= $${PWDCMD-pwd
}
73 # Flags to pass to a recursive make.
76 "AR_FLAGS=$(AR_FLAGS)" \
79 "DESTDIR=$(DESTDIR)" \
80 "EXTRA_OFILES=$(EXTRA_OFILES)" \
81 "HDEFINES=$(HDEFINES)" \
82 "INSTALL=$(INSTALL)" \
83 "INSTALL_DATA=$(INSTALL_DATA)" \
84 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
85 "LDFLAGS=$(LDFLAGS)" \
86 "LOADLIBES=$(LOADLIBES)" \
90 "exec_prefix=$(exec_prefix)" \
92 "libsubdir=$(libsubdir)" \
95 # Dependencies for "all" are set later in the file.
97 # Now that we have built all the objects, we need to copy
98 # them back to the GCC directory. Too many things (other
99 # in-tree libraries, and DejaGNU) know about the layout
100 # of the build tree, for now.
101 $(MAKE
) install DESTDIR
=$(gcc_objdir
) \
102 slibdir
= libsubdir
= MULTIOSDIR
=$(MULTIDIR
)
106 # If this is the top-level multilib, build all the other
108 @
: $(MAKE
) ; exec
$(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=all
110 .PHONY
: check installcheck
117 -rm -f config.h stamp-h stmp-ldirs libgcc.map
121 -rm -f libunwind
$(SHLIB_EXT
)
123 @
$(MULTICLEAN
) multi-clean DO
=clean
125 @
$(MULTICLEAN
) multi-clean DO
=distclean
126 -rm -f
*~ Makefile config.cache config.status multilib.out
128 maintainer-clean
realclean: distclean
130 Makefile
: $(srcdir)/Makefile.in config.status
131 CONFIG_FILES
=Makefile CONFIG_HEADERS
= $(SHELL
) .
/config.status
133 # Depending on Makefile makes sure that config.status has been re-run
134 # if needed. This prevents problems with parallel builds.
135 config.h
: stamp-h
; @true
136 stamp-h
: $(srcdir)/config.in config.status Makefile
137 CONFIG_FILES
= CONFIG_HEADERS
=config.h
:$(srcdir)/config.in
$(SHELL
) .
/config.status
139 config.status
: $(srcdir)/configure
140 $(SHELL
) .
/config.status
--recheck
142 include $(gcc_objdir
)/libgcc.mvars
144 # Flags to pass to recursive makes.
146 AR_FOR_TARGET
= $(AR
)
147 AR_FLAGS_FOR_TARGET
=
148 AR_CREATE_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) rc
149 AR_EXTRACT_FOR_TARGET
= $(AR_FOR_TARGET
) $(AR_FLAGS_FOR_TARGET
) x
151 GCC_FOR_TARGET
= $(CC
)
153 LIPO_FOR_TARGET
= $(LIPO
)
154 MACHMODE_H
= machmode.h mode-classes.def insn-modes.h
156 NM_FOR_TARGET
= $(NM
)
157 RANLIB_FOR_TARGET
= $(RANLIB
)
159 STRIP_FOR_TARGET
= $(STRIP
)
161 # Directory in which the compiler finds libraries etc.
162 libsubdir
= $(libdir)/gcc
/$(host_noncanonical
)/$(version
)
163 # Used to install the shared libgcc.
167 export AR_CREATE_FOR_TARGET
168 export AR_FLAGS_FOR_TARGET
169 export AR_EXTRACT_FOR_TARGET
172 export GCC_FOR_TARGET
176 export LIBGCC2_CFLAGS
177 export LIPO_FOR_TARGET
180 export STRIP_FOR_TARGET
181 export RANLIB_FOR_TARGET
185 version
:= $(shell $(CC
) -dumpversion
)
187 ifeq ($(decimal_float
),yes
)
188 DECNUMINC
= -I
$(srcdir)/..
/libdecnumber
/$(enable_decimal_float
) \
189 -I
$(srcdir)/..
/libdecnumber \
190 -I
$(MULTIBUILDTOP
)..
/..
/libdecnumber
195 # Specify the directories to be searched for header files.
196 # Both . and srcdir are used, in that order,
197 # so that *config.h will be found in the compilation
198 # subdirectory rather than in the source directory.
199 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
200 # currently being compiled, in both source trees, to be examined as well.
201 INCLUDES
= -I.
-I
$(@D
) -I
$(gcc_objdir
) \
202 -I
$(srcdir) -I
$(srcdir)/$(@D
) -I
$(srcdir)/..
/gcc \
203 -I
$(srcdir)/..
/include $(DECNUMINC
)
205 # Forcibly remove any profiling-related flags. There is no point
206 # in supporting profiled bootstrap in this library.
207 override CFLAGS
:= $(filter-out -fprofile-generate
-fprofile-use
,$(CFLAGS
))
209 # CFLAGS first is not perfect; normally setting CFLAGS should override any
210 # options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
211 # will usually contain -g, so for the moment CFLAGS goes first. We must
212 # include CFLAGS - that's where multilib options live.
213 INTERNAL_CFLAGS
= $(CFLAGS
) $(LIBGCC2_CFLAGS
) $(HOST_LIBGCC2_CFLAGS
) $(INCLUDES
)
215 MULTIDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-directory
)
216 MULTIOSDIR
:= $(shell $(CC
) $(CFLAGS
) -print-multi-os-directory
)
218 MULTIOSSUBDIR
:= $(shell if
test $(MULTIOSDIR
) != .
; then echo
/$(MULTIOSDIR
); fi
)
219 inst_libdir
= $(libsubdir
)$(MULTISUBDIR
)
220 inst_slibdir
= $(slibdir
)$(MULTIOSSUBDIR
)
222 gcc_compile_bare
= $(CC
) $(INTERNAL_CFLAGS
)
223 compile_deps
= -MT
$@
-MD
-MP
-MF
$(basename $@
).dep
224 gcc_compile
= $(gcc_compile_bare
) -o
$@
$(compile_deps
)
225 gcc_s_compile
= $(gcc_compile
) -DSHARED
227 objects
= $(filter %$(objext
),$^
)
229 # Collect any host-specific information from Makefile fragments.
230 tmake_file
= @tmake_file@
231 include $(srcdir)/empty.mk
$(tmake_file
)
233 # Only handle shared libraries if both:
234 # - the user requested them
235 # - we know how to build them
236 ifeq ($(SHLIB_LINK
),)
240 ifeq ($(enable_shared
),yes
)
241 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/shared-object.mk
,$(iter-items
))
243 install-shared
= install-shared
245 ifneq ($(LIBUNWIND
),)
246 install-libunwind
= install-libunwind
249 # For -fvisibility=hidden. We need both a -fvisibility=hidden on
250 # the command line, and a #define to prevent libgcc2.h etc from
251 # overriding that with #pragmas.
252 vis_hide
= @vis_hide@
256 # If we have -fvisibility=hidden, then we need to generate hide
257 # lists for object files implemented in assembly.
258 ASM_HIDDEN_OP
= @asm_hidden_op@
262 $(AWK
) 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
266 gen-hide-list
= echo
> $@
271 iterator
= $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/static-object.mk
,$(iter-items
))
273 gen-hide-list
= echo
> \
$@
276 ifneq ($(EXTRA_PARTS
),)
277 extra-parts
= libgcc-extra-parts
278 INSTALL_PARTS
= $(EXTRA_PARTS
)
280 ifneq ($(GCC_EXTRA_PARTS
),)
281 extra-parts
= gcc-extra-parts
282 INSTALL_PARTS
= $(GCC_EXTRA_PARTS
)
286 # Library members defined in libgcc2.c.
287 lib2funcs
= _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \
288 _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
289 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
290 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \
291 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \
292 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \
293 _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3 \
294 _divtc3 _bswapsi2 _bswapdi2
296 # The floating-point conversion routines that involve a single-word integer.
297 # XX stands for the integer mode.
298 swfloatfuncs
= $(patsubst %,_fixuns
%XX
,sf df xf
)
300 # Likewise double-word routines.
301 dwfloatfuncs
= $(patsubst %,_fix
%XX
,sf df xf tf
) \
302 $(patsubst %,_fixuns
%XX
,sf df xf tf
) \
303 $(patsubst %,_floatXX
%,sf df xf tf
) \
304 $(patsubst %,_floatunXX
%,sf df xf tf
)
306 ifeq ($(LIB2_SIDITI_CONV_FUNCS
),)
307 lib2funcs
+= $(subst XX
,si
,$(swfloatfuncs
))
308 lib2funcs
+= $(subst XX
,di
,$(dwfloatfuncs
))
311 # These might cause a divide overflow trap and so are compiled with
313 LIB2_DIVMOD_FUNCS
= _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
315 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
316 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
317 # in LIB2FUNCS_EXCLUDE.
318 lib2funcs
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
),$(lib2funcs
))
319 LIB2_DIVMOD_FUNCS
:= $(filter-out $(LIB2FUNCS_EXCLUDE
) $(LIB1ASMFUNCS
), \
320 $(LIB2_DIVMOD_FUNCS
))
322 # Build "libgcc1" (assembly) components.
323 ifeq ($(enable_shared
),yes
)
325 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
326 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
) %.vis
327 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
328 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
) -include $*.vis
329 $(patsubst %,%.vis
,$(LIB1ASMFUNCS
)): %.vis
: %_s
$(objext
)
331 libgcc-objects
+= $(lib1asmfuncs-o
)
333 lib1asmfuncs-s-o
= $(patsubst %,%_s
$(objext
),$(LIB1ASMFUNCS
))
334 $(lib1asmfuncs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
335 $(gcc_s_compile
) -DL
$* -xassembler-with-cpp \
336 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
337 libgcc-s-objects
+= $(lib1asmfuncs-s-o
)
341 lib1asmfuncs-o
= $(patsubst %,%$(objext
),$(LIB1ASMFUNCS
))
342 $(lib1asmfuncs-o
): %$(objext
): $(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
343 $(gcc_compile
) -DL
$* -xassembler-with-cpp \
344 -c
$(gcc_srcdir
)/config
/$(LIB1ASMSRC
)
345 libgcc-objects
+= $(lib1asmfuncs-o
)
349 # Build lib2funcs. For the static library also include LIB2FUNCS_ST.
350 lib2funcs-o
= $(patsubst %,%$(objext
),$(lib2funcs
) $(LIB2FUNCS_ST
))
351 $(lib2funcs-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
352 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
354 libgcc-objects
+= $(lib2funcs-o
)
356 ifeq ($(enable_shared
),yes
)
357 lib2funcs-s-o
= $(patsubst %,%_s
$(objext
),$(lib2funcs
))
358 $(lib2funcs-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
359 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c
360 libgcc-s-objects
+= $(lib2funcs-s-o
)
363 ifneq ($(LIB2_SIDITI_CONV_FUNCS
),)
364 # Build libgcc2.c for each conversion function, with a specific
365 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode
366 # functions are built with a wordsize of 4; the TImode functions are
367 # built with the same labels, but a wordsize of 8.
369 sifuncs
= $(subst XX
,si
,$(swfloatfuncs
))
370 difuncs
= $(subst XX
,di
,$(dwfloatfuncs
))
371 tifuncs
= $(subst XX
,ti
,$(dwfloatfuncs
))
373 iter-items
:= $(sifuncs
) $(difuncs
) $(tifuncs
)
374 iter-labels
:= $(sifuncs
) $(difuncs
) $(difuncs
)
375 iter-sizes
:= $(patsubst %,4,$(sifuncs
) $(difuncs
)) $(patsubst %,8,$(tifuncs
))
377 include $(srcdir)/empty.mk
$(patsubst %,$(srcdir)/siditi-object.mk
,$(iter-items
))
379 libgcc-objects
+= $(patsubst %,%$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
380 ifeq ($(enable_shared
),yes
)
381 libgcc-s-objects
+= $(patsubst %,%_s
$(objext
),$(sifuncs
) $(difuncs
) $(tifuncs
))
385 # Build LIB2_DIVMOD_FUNCS.
386 lib2-divmod-o
= $(patsubst %,%$(objext
),$(LIB2_DIVMOD_FUNCS
))
387 $(lib2-divmod-o
): %$(objext
): $(gcc_srcdir
)/libgcc2.c
388 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
389 -fexceptions
-fnon-call-exceptions
$(vis_hide
)
390 libgcc-objects
+= $(lib2-divmod-o
)
392 ifeq ($(enable_shared
),yes
)
393 lib2-divmod-s-o
= $(patsubst %,%_s
$(objext
),$(LIB2_DIVMOD_FUNCS
))
394 $(lib2-divmod-s-o
): %_s
$(objext
): $(gcc_srcdir
)/libgcc2.c
395 $(gcc_s_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcc2.c \
396 -fexceptions
-fnon-call-exceptions
397 libgcc-s-objects
+= $(lib2-divmod-s-o
)
400 # $(FPBIT) et al. are pathnames relative to the GCC build
401 # directory; the supporting files are made by the GCC
403 # FIXME: Soon we will be able to move this logic into this directory.
405 ifneq ($(fpbit-in-libgcc
),yes
)
406 FPBIT
:=$(if
$(FPBIT
),$(gcc_objdir
)/$(FPBIT
),)
407 DPBIT
:=$(if
$(DPBIT
),$(gcc_objdir
)/$(DPBIT
),)
408 TPBIT
:=$(if
$(TPBIT
),$(gcc_objdir
)/$(TPBIT
),)
412 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
413 FPBIT_FUNCS
:= $(filter-out _sf_to_tf
,$(FPBIT_FUNCS
))
414 DPBIT_FUNCS
:= $(filter-out _df_to_tf
,$(DPBIT_FUNCS
))
419 fpbit-o
= $(patsubst %,%$(objext
),$(FPBIT_FUNCS
))
420 $(fpbit-o
): %$(objext
): $(FPBIT
)
421 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
) $(vis_hide
)
422 libgcc-objects
+= $(fpbit-o
)
424 ifeq ($(enable_shared
),yes
)
425 fpbit-s-o
= $(patsubst %,%_s
$(objext
),$(FPBIT_FUNCS
))
426 $(fpbit-s-o
): %_s
$(objext
): $(FPBIT
)
427 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(FPBIT
)
428 libgcc-s-objects
+= $(fpbit-s-o
)
434 dpbit-o
= $(patsubst %,%$(objext
),$(DPBIT_FUNCS
))
435 $(dpbit-o
): %$(objext
): $(DPBIT
)
436 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
) $(vis_hide
)
437 libgcc-objects
+= $(dpbit-o
)
439 ifeq ($(enable_shared
),yes
)
440 dpbit-s-o
= $(patsubst %,%_s
$(objext
),$(DPBIT_FUNCS
))
441 $(dpbit-s-o
): %_s
$(objext
): $(DPBIT
)
442 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(DPBIT
)
443 libgcc-s-objects
+= $(dpbit-s-o
)
449 tpbit-o
= $(patsubst %,%$(objext
),$(TPBIT_FUNCS
))
450 $(tpbit-o
): %$(objext
): $(TPBIT
)
451 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
) $(vis_hide
)
452 libgcc-objects
+= $(tpbit-o
)
454 ifeq ($(enable_shared
),yes
)
455 tpbit-s-o
= $(patsubst %,%_s
$(objext
),$(TPBIT_FUNCS
))
456 $(tpbit-s-o
): %_s
$(objext
): $(TPBIT
)
457 $(gcc_s_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -c
$(TPBIT
)
458 libgcc-s-objects
+= $(tpbit-s-o
)
462 # Build decimal floating point support.
463 ifeq ($(decimal_float
),yes
)
465 # If $DFP_ENABLE is set, then we want all data type sizes.
466 ifneq ($(DFP_ENABLE
),)
473 ifneq ($(D32PBIT
)$(D64PBIT
)$(D128PBIT
),)
474 dec-filenames
+= decContext decNumber decExcept decRound decLibrary decUtility
477 dec-objects
= $(patsubst %,%$(objext
),$(dec-filenames
))
478 $(dec-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/%.c
480 libgcc-objects
+= $(dec-objects
)
484 decbits-filenames
+= decimal32
488 decbits-filenames
+= decimal64
492 decbits-filenames
+= decimal128
495 ifeq ($(enable_decimal_float
),bid
)
496 decbits-filenames
+= bid2dpd_dpd2bid
499 decbits-objects
= $(patsubst %,%$(objext
),$(decbits-filenames
))
500 $(decbits-objects
): %$(objext
): $(srcdir)/..
/libdecnumber
/$(enable_decimal_float
)/%.c
502 libgcc-objects
+= $(decbits-objects
)
504 # Next build individual support functions.
506 d32pbit-o
= $(patsubst %,%$(objext
),$(D32PBIT_FUNCS
))
507 $(d32pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
508 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=32 -c
$<
509 libgcc-objects
+= $(d32pbit-o
)
513 d64pbit-o
= $(patsubst %,%$(objext
),$(D64PBIT_FUNCS
))
514 $(d64pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
515 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=64 -c
$<
516 libgcc-objects
+= $(d64pbit-o
)
520 d128pbit-o
= $(patsubst %,%$(objext
),$(D128PBIT_FUNCS
))
521 $(d128pbit-o
): %$(objext
): $(gcc_srcdir
)/config
/dfp-bit.c
522 $(gcc_compile
) -DFINE_GRAINED_LIBRARIES
-DL
$* -DWIDTH
=128 -c
$<
523 libgcc-objects
+= $(d128pbit-o
)
528 # Build LIB2ADD and LIB2ADD_ST.
529 ifneq ($(filter-out %.c
%.S
%.asm
,$(LIB2ADD
) $(LIB2ADD_ST
)),)
530 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.
)
533 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD
))))
534 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADD_ST
))))
537 iter-items
:= $(LIB2ADD
) $(LIB2ADD_ST
)
540 ifeq ($(enable_shared
),yes
)
541 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADD
))))
544 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have
545 # libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and
546 # LIB2ADDEHSHARED matter. (Usually all three are identical.)
548 c_flags
:= -fexceptions
550 ifeq ($(enable_shared
),yes
)
552 libgcc-eh-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEHSTATIC
))))
553 libgcc-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIB2ADDEHSHARED
))))
555 iter-items
:= $(sort $(LIB2ADDEHSTATIC
) $(LIB2ADDEHSHARED
))
559 # Not shared. LIB2ADDEH are added to libgcc.a.
561 libgcc-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIB2ADDEH
))))
563 iter-items
:= $(LIB2ADDEH
)
570 c_flags
:= -fexceptions
572 libunwind-objects
+= $(addsuffix $(objext
),$(basename $(notdir $(LIBUNWIND
))))
574 ifeq ($(enable_shared
),yes
)
575 libunwind-s-objects
+= $(addsuffix _s
$(objext
),$(basename $(notdir $(LIBUNWIND
))))
578 iter-items
:= $(LIBUNWIND
)
581 # Build libgcov components.
582 libgcov-objects
= $(patsubst %,%$(objext
),$(LIBGCOV
))
583 $(libgcov-objects
): %$(objext
): $(gcc_srcdir
)/libgcov.c
584 $(gcc_compile
) -DL
$* -c
$(gcc_srcdir
)/libgcov.c
588 libgcc.a
: $(libgcc-objects
)
589 libgcov.a
: $(libgcov-objects
)
590 libunwind.a
: $(libunwind-objects
)
591 libgcc_eh.a
: $(libgcc-eh-objects
)
593 libgcc.a libgcov.a libunwind.a libgcc_eh.a
:
596 objects
="$(objects)"; \
597 if
test -z
"$$objects"; then \
598 echo
'int __libgcc_eh_dummy;' > eh_dummy.c
; \
599 $(gcc_compile_bare
) $(vis_hide
) -c eh_dummy.c \
600 -o eh_dummy
$(objext
); \
601 objects
=eh_dummy
$(objext
); \
603 $(AR_CREATE_FOR_TARGET
) $@
$$objects
607 all: libgcc.a libgcov.a
609 ifneq ($(LIBUNWIND
),)
611 libgcc_s
$(SHLIB_EXT
): libunwind
$(SHLIB_EXT
)
614 ifeq ($(enable_shared
),yes
)
615 all: libgcc_eh.a libgcc_s
$(SHLIB_EXT
)
616 ifneq ($(LIBUNWIND
),)
617 all: libunwind
$(SHLIB_EXT
)
621 ifeq ($(enable_shared
),yes
)
623 # Map-file generation.
624 ifneq ($(SHLIB_MKMAP
),)
625 libgcc.map
: $(SHLIB_MKMAP
) $(SHLIB_MAPFILES
) $(libgcc-s-objects
)
626 { $(NM
) $(SHLIB_NM_FLAGS
) $(libgcc-s-objects
); echo
%%; \
627 cat
$(SHLIB_MAPFILES
) \
628 | sed
-e
'/^[ ]*#/d' \
629 -e
's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
630 |
$(gcc_compile_bare
) -E
-xassembler-with-cpp
-; \
631 } |
$(AWK
) -f
$(SHLIB_MKMAP
) $(SHLIB_MKMAP_OPTS
) > tmp-
$@
633 libgcc_s
$(SHLIB_EXT
): libgcc.map
637 libgcc_s
$(SHLIB_EXT
): $(libgcc-s-objects
) $(extra-parts
)
638 # @multilib_flags@ is still needed because this may use
639 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
640 # @multilib_dir@ is not really necessary, but sometimes it has
641 # more uses than just a directory name.
642 $(mkinstalldirs
) $(MULTIDIR
)
643 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
644 @multilib_dir@
,$(MULTIDIR
),$(subst \
645 @shlib_objs@
,$(objects
),$(subst \
646 @shlib_base_name@
,libgcc_s
,$(subst \
647 @shlib_map_file@
,$(mapfile
),$(subst \
648 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIB_LINK
)))))))
650 libunwind
$(SHLIB_EXT
): $(libunwind-s-objects
) $(extra-parts
)
651 # @multilib_flags@ is still needed because this may use
652 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
653 # @multilib_dir@ is not really necessary, but sometimes it has
654 # more uses than just a directory name.
655 $(mkinstalldirs
) $(MULTIDIR
)
656 $(subst @multilib_flags@
,$(CFLAGS
) -B.
/,$(subst \
657 @multilib_dir@
,$(MULTIDIR
),$(subst \
658 @shlib_objs@
,$(objects
),$(subst \
659 @shlib_base_name@
,libunwind
,$(subst \
660 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_LINK
))))))
664 # Build the standard GCC startfiles and endfiles.
665 ALL_CRT_CFLAGS
= $(CFLAGS
) $(CRTSTUFF_CFLAGS
) $(INCLUDES
)
666 crt_compile
= $(CC
) $(ALL_CRT_CFLAGS
) -o
$@
$(compile_deps
)
668 ifeq ($(CUSTOM_CRTSTUFF
),)
669 crtbegin
$(objext
): $(gcc_srcdir
)/crtstuff.c
670 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
671 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
673 crtend
$(objext
): $(gcc_srcdir
)/crtstuff.c
674 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
675 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
677 # These are versions of crtbegin and crtend for shared libraries.
678 crtbeginS
$(objext
): $(gcc_srcdir
)/crtstuff.c
679 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
680 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFS_O
682 crtendS
$(objext
): $(gcc_srcdir
)/crtstuff.c
683 $(crt_compile
) $(CRTSTUFF_T_CFLAGS_S
) \
684 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_END
-DCRTSTUFFS_O
686 # This is a version of crtbegin for -static links.
687 crtbeginT.o
: $(gcc_srcdir
)/crtstuff.c
688 $(crt_compile
) $(CRTSTUFF_T_CFLAGS
) \
689 -c
$(gcc_srcdir
)/crtstuff.c
-DCRT_BEGIN
-DCRTSTUFFT_O
692 # Build extra startfiles in the libgcc directory.
693 .PHONY
: libgcc-extra-parts
694 libgcc-extra-parts
: $(EXTRA_PARTS
)
695 ifneq ($(GCC_EXTRA_PARTS
),)
696 ifneq ($(sort $(EXTRA_PARTS
)),$(GCC_EXTRA_PARTS
))
697 # If the gcc directory specifies which extra parts to
698 # build for this target, and the libgcc configuration also
699 # specifies, make sure they match. This can be removed
700 # when the gcc directory no longer holds libgcc configuration;
701 # it is useful when migrating a target.
702 @echo
"Configuration mismatch!"
703 @echo
"Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
704 @echo
"Extra parts from libgcc: $(EXTRA_PARTS)"
709 # Early copyback; see "all" above for the rationale. The
710 # early copy is necessary so that the gcc -B options find
711 # the right startup files when linking shared libgcc.
712 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
713 parts
="$(EXTRA_PARTS)"; \
714 for file in
$$parts; do \
715 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
716 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
719 # Build extra startfiles in the gcc directory, for unconverted
721 .PHONY
: gcc-extra-parts
723 # Recursively invoke make in the GCC directory to build any
724 # startfiles (for now). We must do this just once, passing
725 # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
726 # so that rules which cannot execute simultaneously are properly
727 # serialized. We indirect through T_TARGET in case any multilib
728 # directories contain an equals sign, to prevent make from
729 # interpreting any of the goals as variable assignments.
731 # We must use cd && make rather than make -C, or else the stage
732 # number will be embedded in debug information.
734 T
=`$(PWD_COMMAND)`/ \
735 && cd
$(gcc_objdir
) \
736 && $(MAKE
) GCC_FOR_TARGET
="$(CC)" \
737 MULTILIB_CFLAGS
="$(CFLAGS)" \
739 T_TARGET
="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
742 # Early copyback; see "all" above for the rationale. The
743 # early copy is necessary so that the gcc -B options find
744 # the right startup files when linking shared libgcc.
745 $(mkinstalldirs
) $(gcc_objdir
)$(MULTISUBDIR
)
746 parts
="$(GCC_EXTRA_PARTS)"; \
747 for file in
$$parts; do \
748 rm -f
$(gcc_objdir
)$(MULTISUBDIR
)/$$file; \
749 $(INSTALL_DATA
) $$file $(gcc_objdir
)$(MULTISUBDIR
)/; \
754 # Documentation targets (empty).
755 .PHONY
: info html
dvi pdf install-info install-html install-pdf
765 # Install rules. These do not depend on "all", so that they can be invoked
766 # recursively from it.
768 $(mkinstalldirs
) $(DESTDIR
)$(inst_slibdir
)
770 # NOTE: Maybe this should go into $(inst_libdir), but this
771 # is where the old mklibgcc.in put it.
772 $(INSTALL_DATA
) libunwind.a
$(DESTDIR
)$(inst_slibdir
)/
773 chmod
644 $(DESTDIR
)$(inst_slibdir
)/libunwind.a
774 $(RANLIB
) $(DESTDIR
)$(inst_slibdir
)/libunwind.a
776 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
777 @shlib_base_name@
,libunwind
,$(subst \
778 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIBUNWIND_INSTALL
))))
781 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
783 $(INSTALL_DATA
) libgcc_eh.a
$(DESTDIR
)$(inst_libdir
)/
784 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
785 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc_eh.a
787 $(subst @multilib_dir@
,$(MULTIDIR
),$(subst \
788 @shlib_base_name@
,libgcc_s
,$(subst \
789 @shlib_slibdir_qual@
,$(MULTIOSSUBDIR
),$(SHLIB_INSTALL
))))
791 install: $(install-shared
) $(install-libunwind
)
792 $(mkinstalldirs
) $(DESTDIR
)$(inst_libdir
)
794 $(INSTALL_DATA
) libgcc.a
$(DESTDIR
)$(inst_libdir
)/
795 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcc.a
796 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcc.a
797 $(INSTALL_DATA
) libgcov.a
$(DESTDIR
)$(inst_libdir
)/
798 chmod
644 $(DESTDIR
)$(inst_libdir
)/libgcov.a
799 $(RANLIB
) $(DESTDIR
)$(inst_libdir
)/libgcov.a
801 parts
="$(INSTALL_PARTS)"; \
802 for file in
$$parts; do \
803 rm -f
$(DESTDIR
)$(inst_libdir
)/$$file; \
804 $(INSTALL_DATA
) $$file $(DESTDIR
)$(inst_libdir
)/; \
807 @
$(MULTIDO
) $(FLAGS_TO_PASS
) multi-do DO
=install
809 .PHONY
: install install-shared install-libunwind
811 # Don't export variables to the environment, in order to not confuse
815 include $(srcdir)/empty.mk
$(wildcard *.dep
)
818 # Garbage collect in gcc/:
819 # $(LIBGCC) settings in t-* are now unused
821 # Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir)
822 # should move into the libgcc directory.