libgcc/Makefile.in

   1 # Makefile.in
   2
   3 # Copyright (C) 2005, 2006 Free Software Foundation
   4 #
   5 # This file is part of GCC.
   6 #
   7 # GCC is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU Library General Public License as published by the Free
   9 # Software Foundation; either version 2 of the License, or (at your option)
  10 # any later version.
  11 #
  12 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15 # more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with GCC; see the file COPYING.  If not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
  20 # USA.
  21 #
  22
  23 libgcc_topdir = @libgcc_topdir@
  24 host_subdir = @host_subdir@
  25
  26 gcc_srcdir = $(libgcc_topdir)/gcc
  27 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
  28
  29 srcdir = @srcdir@
  30
  31 prefix = @prefix@
  32
  33 exec_prefix = @exec_prefix@
  34 libdir = @libdir@
  35 shlib_slibdir = @slibdir@
  36
  37 SHELL = @SHELL@
  38
  39 enable_shared = @enable_shared@
  40 decimal_float = @decimal_float@
  41 enable_decimal_float = @enable_decimal_float@
  42 fixed_point = @fixed_point@
  43
  44 host_noncanonical = @host_noncanonical@
  45
  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@
  49
  50 # Multilib support variables.
  51 MULTISRCTOP =
  52 MULTIBUILDTOP =
  53 MULTIDIRS =
  54 MULTISUBDIR =
  55 MULTIDO = true
  56 MULTICLEAN = true
  57
  58 INSTALL = @INSTALL@
  59 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  60 INSTALL_DATA = @INSTALL_DATA@
  61 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  62
  63 objext = .o
  64
  65 AR = @AR@
  66 AR_FLAGS = rc
  67
  68 CC = @CC@
  69 CFLAGS = @CFLAGS@
  70 RANLIB = @RANLIB@
  71 LN_S = @LN_S@
  72
  73 PWD_COMMAND = $${PWDCMD-pwd}
  74
  75 # Flags to pass to a recursive make.
  76 FLAGS_TO_PASS = \
  77         "AR=$(AR)" \
  78         "AR_FLAGS=$(AR_FLAGS)" \
  79         "CC=$(CC)" \
  80         "CFLAGS=$(CFLAGS)" \
  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)" \
  89         "RANLIB=$(RANLIB)" \
  90         "SHELL=$(SHELL)" \
  91         "prefix=$(prefix)" \
  92         "exec_prefix=$(exec_prefix)" \
  93         "libdir=$(libdir)" \
  94         "libsubdir=$(libsubdir)" \
  95         "tooldir=$(tooldir)"
  96
  97 # Dependencies for "all" are set later in the file.
  98 all: all-multi
  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)
 105
 106 .PHONY: all-multi
 107 all-multi:
 108         # If this is the top-level multilib, build all the other
 109         # multilibs.
 110         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 111
 112 .PHONY: check installcheck
 113 check:
 114 installcheck:
 115
 116 .PHONY: all clean
 117
 118 clean:
 119         -rm -f config.h stamp-h stmp-ldirs libgcc.map
 120         -rm -f *$(objext)
 121         -rm -f *.dep
 122         -rm -f *.a
 123         -rm -f libunwind$(SHLIB_EXT)
 124         -rm -f libgcc_s*
 125         @$(MULTICLEAN) multi-clean DO=clean
 126 distclean: clean
 127         @$(MULTICLEAN) multi-clean DO=distclean
 128         -rm -f *~ Makefile config.cache config.status multilib.out
 129         -rm -f config.log
 130 maintainer-clean realclean: distclean
 131
 132 Makefile: $(srcdir)/Makefile.in config.status
 133         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 134
 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
 140
 141 config.status: $(srcdir)/configure $(srcdir)/config.host
 142         $(SHELL) ./config.status --recheck
 143
 144 include $(gcc_objdir)/libgcc.mvars
 145
 146 # Flags to pass to recursive makes.
 147
 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
 152 AWK = @AWK@
 153 GCC_FOR_TARGET = $(CC)
 154 LIPO = @LIPO@
 155 LIPO_FOR_TARGET = $(LIPO)
 156 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 157 NM = @NM@
 158 NM_FOR_TARGET = $(NM)
 159 RANLIB_FOR_TARGET = $(RANLIB)
 160 STRIP = @STRIP@
 161 STRIP_FOR_TARGET = $(STRIP)
 162
 163 # Directory in which the compiler finds libraries etc.
 164 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 165 # Used to install the shared libgcc.
 166 slibdir = @slibdir@
 167
 168 export AR_FOR_TARGET
 169 export AR_CREATE_FOR_TARGET
 170 export AR_FLAGS_FOR_TARGET
 171 export AR_EXTRACT_FOR_TARGET
 172 export AWK
 173 export DESTDIR
 174 export GCC_FOR_TARGET
 175 export INCLUDES
 176 export INSTALL_DATA
 177 export LIB1ASMSRC
 178 export LIBGCC2_CFLAGS
 179 export LIPO_FOR_TARGET
 180 export MACHMODE_H
 181 export NM_FOR_TARGET
 182 export STRIP_FOR_TARGET
 183 export RANLIB_FOR_TARGET
 184 export libsubdir
 185 export slibdir
 186
 187 version := $(shell $(CC) -dumpversion)
 188
 189 ifeq ($(decimal_float),yes)
 190 ifeq ($(enable_decimal_float),bid)
 191 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
 192 else
 193 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
 194             -I$(srcdir)/../libdecnumber
 195 endif
 196 else
 197 DECNUMINC =
 198 endif
 199
 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)
 209
 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))
 213
 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@
 220
 221 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 222 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 223
 224 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 225 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 226 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 227
 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
 232
 233 objects = $(filter %$(objext),$^)
 234
 235 # Collect any host-specific information from Makefile fragments.
 236 tmake_file = @tmake_file@
 237 include $(srcdir)/empty.mk $(tmake_file)
 238
 239 # Only handle shared libraries if both:
 240 #   - the user requested them
 241 #   - we know how to build them
 242 ifeq ($(SHLIB_LINK),)
 243   enable_shared := no
 244 endif
 245
 246 ifeq ($(enable_shared),yes)
 247   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 248
 249   install-shared = install-shared
 250
 251   ifneq ($(LIBUNWIND),)
 252     install-libunwind = install-libunwind
 253   endif
 254
 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@
 259
 260 ifneq (,$(vis_hide))
 261
 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@
 265
 266 define gen-hide-list
 267 $(NM) -pg $< | \
 268   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 269 mv -f $@T $@
 270 endef
 271 else
 272 gen-hide-list = echo > $@
 273 endif
 274
 275 else
 276 # Not enable_shared.
 277 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 278 vis_hide =
 279 gen-hide-list = echo > \$@
 280 endif
 281
 282 ifneq ($(EXTRA_PARTS),)
 283   extra-parts = libgcc-extra-parts
 284   INSTALL_PARTS = $(EXTRA_PARTS)
 285 else
 286 ifneq ($(GCC_EXTRA_PARTS),)
 287   extra-parts = gcc-extra-parts
 288   INSTALL_PARTS = $(GCC_EXTRA_PARTS)
 289 endif
 290 endif
 291
 292 # Library members defined in libgcc2.c.
 293 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 294             _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
 295             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 296             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 297             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 298             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 299             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 300             _divtc3 _bswapsi2 _bswapdi2
 301
 302 # The floating-point conversion routines that involve a single-word integer.
 303 # XX stands for the integer mode.
 304 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 305
 306 # Likewise double-word routines.
 307 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 308                $(patsubst %,_fixuns%XX,sf df xf tf) \
 309                $(patsubst %,_floatXX%,sf df xf tf) \
 310                $(patsubst %,_floatunXX%,sf df xf tf)
 311
 312 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 313   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 314   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 315 endif
 316
 317 # These might cause a divide overflow trap and so are compiled with
 318 # unwinder info.
 319 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 320
 321 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 322 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 323 # in LIB2FUNCS_EXCLUDE.
 324 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 325 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 326                        $(LIB2_DIVMOD_FUNCS))
 327
 328 # Build "libgcc1" (assembly) components.
 329 ifeq ($(enable_shared),yes)
 330
 331 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 332 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
 333         $(gcc_compile) -DL$* -xassembler-with-cpp \
 334           -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
 335 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
 336         $(gen-hide-list)
 337 libgcc-objects += $(lib1asmfuncs-o)
 338
 339 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
 340 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 341         $(gcc_s_compile) -DL$* -xassembler-with-cpp \
 342           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 343 libgcc-s-objects += $(lib1asmfuncs-s-o)
 344
 345 else
 346
 347 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 348 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 349         $(gcc_compile) -DL$* -xassembler-with-cpp \
 350           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 351 libgcc-objects += $(lib1asmfuncs-o)
 352
 353 endif
 354
 355 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 356 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 357 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 358         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 359           $(vis_hide)
 360 libgcc-objects += $(lib2funcs-o)
 361
 362 ifeq ($(enable_shared),yes)
 363 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 364 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 365         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
 366 libgcc-s-objects += $(lib2funcs-s-o)
 367 endif
 368
 369 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 370 # Build libgcc2.c for each conversion function, with a specific
 371 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 372 # functions are built with a wordsize of 4; the TImode functions are
 373 # built with the same labels, but a wordsize of 8.
 374
 375 sifuncs = $(subst XX,si,$(swfloatfuncs))
 376 difuncs = $(subst XX,di,$(dwfloatfuncs))
 377 tifuncs = $(subst XX,ti,$(dwfloatfuncs))
 378
 379 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 380 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 381 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 382
 383 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 384
 385 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 386 ifeq ($(enable_shared),yes)
 387 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 388 endif
 389 endif
 390
 391 # Build LIB2_DIVMOD_FUNCS.
 392 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 393 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 394         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 395           -fexceptions -fnon-call-exceptions $(vis_hide)
 396 libgcc-objects += $(lib2-divmod-o)
 397
 398 ifeq ($(enable_shared),yes)
 399 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 400 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 401         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 402           -fexceptions -fnon-call-exceptions
 403 libgcc-s-objects += $(lib2-divmod-s-o)
 404 endif
 405
 406 # $(FPBIT) et al. are pathnames relative to the GCC build
 407 # directory; the supporting files are made by the GCC
 408 # Makefile.
 409 # FIXME: Soon we will be able to move this logic into this directory.
 410
 411 ifneq ($(fpbit-in-libgcc),yes)
 412 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
 413 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
 414 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
 415 endif
 416
 417 ifeq ($(TPBIT),)
 418 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 419 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 420 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 421 endif
 422
 423 # Build FPBIT.
 424 ifneq ($(FPBIT),)
 425 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 426 $(fpbit-o): %$(objext): $(FPBIT)
 427         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
 428 libgcc-objects += $(fpbit-o)
 429
 430 ifeq ($(enable_shared),yes)
 431 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 432 $(fpbit-s-o): %_s$(objext): $(FPBIT)
 433         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
 434 libgcc-s-objects += $(fpbit-s-o)
 435 endif
 436 endif
 437
 438 # Build DPBIT.
 439 ifneq ($(DPBIT),)
 440 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 441 $(dpbit-o): %$(objext): $(DPBIT)
 442         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
 443 libgcc-objects += $(dpbit-o)
 444
 445 ifeq ($(enable_shared),yes)
 446 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 447 $(dpbit-s-o): %_s$(objext): $(DPBIT)
 448         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
 449 libgcc-s-objects += $(dpbit-s-o)
 450 endif
 451 endif
 452
 453 # Build TPBIT.
 454 ifneq ($(TPBIT),)
 455 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 456 $(tpbit-o): %$(objext): $(TPBIT)
 457         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
 458 libgcc-objects += $(tpbit-o)
 459
 460 ifeq ($(enable_shared),yes)
 461 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 462 $(tpbit-s-o): %_s$(objext): $(TPBIT)
 463         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
 464 libgcc-s-objects += $(tpbit-s-o)
 465 endif
 466 endif
 467
 468 # Build decimal floating point support.
 469 ifeq ($(decimal_float),yes)
 470
 471 # If $DFP_ENABLE is set, then we want all data type sizes.
 472 ifneq ($(DFP_ENABLE),)
 473 D32PBIT = 1
 474 D64PBIT = 1
 475 D128PBIT = 1
 476 endif
 477
 478 dfp-filenames =
 479 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 480 ifeq ($(enable_decimal_float),bid)
 481 dfp-filenames += bid_decimal_globals bid_decimal_data \
 482                  bid_binarydecimal bid_convert_data \
 483                  _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
 484                  bid128_noncomp bid128_fma bid_round bid_from_int \
 485                  bid64_add bid128_add bid64_div bid128_div \
 486                  bid64_mul bid128_mul bid64_compare bid128_compare \
 487                  bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
 488                  bid64_to_int32 bid64_to_int64 \
 489                  bid64_to_uint32 bid64_to_uint64 \
 490                  bid128_to_int32 bid128_to_int64 \
 491                  bid128_to_uint32 bid128_to_uint64
 492 else
 493 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
 494 endif
 495 endif
 496
 497 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
 498 ifeq ($(enable_decimal_float),bid)
 499 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
 500 else
 501 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 502 endif
 503         $(gcc_compile) -c $<
 504 libgcc-objects += $(dfp-objects)
 505
 506 decbits-filenames =
 507 ifneq ($(enable_decimal_float),bid)
 508 ifneq ($(D32PBIT),)
 509 decbits-filenames += decimal32
 510 endif
 511
 512 ifneq ($(D64PBIT),)
 513 decbits-filenames += decimal64
 514 endif
 515
 516 ifneq ($(D128PBIT),)
 517 decbits-filenames += decimal128
 518 endif
 519 endif
 520
 521 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
 522 ifeq ($(enable_decimal_float),bid)
 523 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
 524 else
 525 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
 526 endif
 527         $(gcc_compile) -c $<
 528 libgcc-objects += $(decbits-objects)
 529
 530 # Next build individual support functions.
 531 ifeq ($(enable_decimal_float),bid)
 532 ifneq ($(D32PBIT),)
 533 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
 534 endif
 535
 536 ifneq ($(D64PBIT),)
 537 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
 538 endif
 539
 540 ifneq ($(D128PBIT),)
 541 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
 542 endif
 543 endif
 544
 545 ifneq ($(D32PBIT),)
 546 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 547 ifeq ($(enable_decimal_float),bid)
 548 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 549 else
 550 $(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 551 endif
 552         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 553 libgcc-objects += $(d32pbit-o)
 554 endif
 555
 556 ifneq ($(D64PBIT),)
 557 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 558 ifeq ($(enable_decimal_float),bid)
 559 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 560 else
 561 $(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 562 endif
 563         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 564 libgcc-objects += $(d64pbit-o)
 565 endif
 566
 567 ifneq ($(D128PBIT),)
 568 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 569 ifeq ($(enable_decimal_float),bid)
 570 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 571 else
 572 $(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 573 endif
 574         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 575 libgcc-objects += $(d128pbit-o)
 576 endif
 577
 578 endif
 579
 580 ifeq ($(LIBGCC_SYNC),yes)
 581 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
 582                             sync_fetch_and_$(op) \
 583                             sync_$(op)_and_fetch) \
 584                           sync_bool_compare_and_swap \
 585                           sync_val_compare_and_swap \
 586                           sync_lock_test_and_set
 587
 588 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
 589                             $(foreach suffix, 1 2 4 8 16, \
 590                               $(prefix)_$(suffix)))
 591
 592 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
 593 $(libgcc-sync-size-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
 594         $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
 595           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 596           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 597           -c $(gcc_srcdir)/config/sync.c $(vis_hide)
 598 libgcc-objects += $(libgcc-sync-size-funcs-o)
 599
 600 libgcc-sync-funcs := sync_synchronize
 601
 602 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
 603 $(libgcc-sync-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
 604         $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
 605           -DL$* \
 606           -c $(gcc_srcdir)/config/sync.c $(vis_hide)
 607 libgcc-objects += $(libgcc-sync-funcs-o)
 608
 609 ifeq ($(enable_shared),yes)
 610 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
 611                                $(libgcc-sync-size-funcs))
 612 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
 613         $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
 614           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 615           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 616           -c $(gcc_srcdir)/config/sync.c
 617 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
 618
 619 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
 620 $(libgcc-sync-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
 621         $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
 622           -DL$* \
 623           -c $(gcc_srcdir)/config/sync.c
 624 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
 625 endif
 626 endif
 627
 628 # Build fixed-point support.
 629 ifeq ($(fixed_point),yes)
 630
 631 # Generate permutations of function name and mode
 632 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
 633 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
 634 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
 635
 636 # Generate the rules for each arithmetic function
 637 iter-items := $(fixed-funcs)
 638 iter-labels := $(fixed-labels)
 639 iter-from := $(fixed-modes)
 640 iter-to := $(fixed-modes)
 641 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 642
 643 # Add arithmetic functions to list of objects to be built
 644 libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
 645 ifeq ($(enable_shared),yes)
 646 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
 647 endif
 648
 649 # Convert from or to fractional
 650 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
 651 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
 652 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
 653 fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
 654
 655 # Generate the make rules for each conversion function
 656 iter-items := $(fixed-conv-funcs)
 657 iter-labels := $(fixed-conv-labels)
 658 iter-from := $(fixed-conv-from)
 659 iter-to := $(fixed-conv-to)
 660 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 661
 662 # Add conversion functions to list of objects to be built
 663 libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
 664 ifeq ($(enable_shared),yes)
 665 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
 666 endif
 667
 668 endif
 669
 670 # Build LIB2ADD and LIB2ADD_ST.
 671 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 672 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 673 endif
 674
 675 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 676 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 677
 678 c_flags :=
 679 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 680 include $(iterator)
 681
 682 ifeq ($(enable_shared),yes)
 683 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 684 endif
 685
 686 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 687 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 688 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 689
 690 c_flags := -fexceptions
 691
 692 ifeq ($(enable_shared),yes)
 693
 694 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 695 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 696
 697 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 698 include $(iterator)
 699
 700 else
 701 # Not shared.  LIB2ADDEH are added to libgcc.a.
 702
 703 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 704
 705 iter-items := $(LIB2ADDEH)
 706 include $(iterator)
 707
 708 endif
 709
 710 # Build LIBUNWIND.
 711
 712 c_flags := -fexceptions
 713
 714 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 715
 716 ifeq ($(enable_shared),yes)
 717 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 718 endif
 719
 720 iter-items := $(LIBUNWIND)
 721 include $(iterator)
 722
 723 # Build libgcov components.
 724 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 725 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
 726         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
 727
 728
 729 # Static libraries.
 730 libgcc.a: $(libgcc-objects)
 731 libgcov.a: $(libgcov-objects)
 732 libunwind.a: $(libunwind-objects)
 733 libgcc_eh.a: $(libgcc-eh-objects)
 734
 735 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 736         -rm -f $@
 737
 738         objects="$(objects)";                                   \
 739         if test -z "$$objects"; then                            \
 740           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 741           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 742              -o eh_dummy$(objext);                              \
 743           objects=eh_dummy$(objext);                            \
 744         fi;                                                     \
 745         $(AR_CREATE_FOR_TARGET) $@ $$objects
 746
 747         $(RANLIB) $@
 748
 749 all: libgcc.a libgcov.a
 750
 751 ifneq ($(LIBUNWIND),)
 752 all: libunwind.a
 753 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 754 endif
 755
 756 ifeq ($(enable_shared),yes)
 757 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 758 ifneq ($(LIBUNWIND),)
 759 all: libunwind$(SHLIB_EXT)
 760 endif
 761 endif
 762
 763 ifeq ($(enable_shared),yes)
 764
 765 # Map-file generation.
 766 ifneq ($(SHLIB_MKMAP),)
 767 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 768         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 769           cat $(SHLIB_MAPFILES) \
 770             | sed -e '/^[       ]*#/d' \
 771                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 772             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 773         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 774         mv tmp-$@ $@
 775 libgcc_s$(SHLIB_EXT): libgcc.map
 776 mapfile = libgcc.map
 777 endif
 778
 779 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 780         # @multilib_flags@ is still needed because this may use
 781         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 782         # @multilib_dir@ is not really necessary, but sometimes it has
 783         # more uses than just a directory name.
 784         $(mkinstalldirs) $(MULTIDIR)
 785         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 786                 @multilib_dir@,$(MULTIDIR),$(subst \
 787                 @shlib_objs@,$(objects),$(subst \
 788                 @shlib_base_name@,libgcc_s,$(subst \
 789                 @shlib_map_file@,$(mapfile),$(subst \
 790                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
 791                 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
 792
 793 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 794         # @multilib_flags@ is still needed because this may use
 795         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 796         # @multilib_dir@ is not really necessary, but sometimes it has
 797         # more uses than just a directory name.
 798         $(mkinstalldirs) $(MULTIDIR)
 799         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 800                 @multilib_dir@,$(MULTIDIR),$(subst \
 801                 @shlib_objs@,$(objects),$(subst \
 802                 @shlib_base_name@,libunwind,$(subst \
 803                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 804
 805 endif
 806
 807 # Build the standard GCC startfiles and endfiles.
 808 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 809 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 810
 811 ifeq ($(CUSTOM_CRTSTUFF),)
 812 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
 813         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 814           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
 815
 816 crtend$(objext): $(gcc_srcdir)/crtstuff.c
 817         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 818           -c $(gcc_srcdir)/crtstuff.c -DCRT_END
 819
 820 # These are versions of crtbegin and crtend for shared libraries.
 821 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
 822         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 823           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
 824
 825 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
 826         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 827           -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
 828
 829 # This is a version of crtbegin for -static links.
 830 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
 831         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 832           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
 833 endif
 834
 835 # Build extra startfiles in the libgcc directory.
 836 .PHONY: libgcc-extra-parts
 837 libgcc-extra-parts: $(EXTRA_PARTS)
 838 ifneq ($(GCC_EXTRA_PARTS),)
 839 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
 840         # If the gcc directory specifies which extra parts to
 841         # build for this target, and the libgcc configuration also
 842         # specifies, make sure they match.  This can be removed
 843         # when the gcc directory no longer holds libgcc configuration;
 844         # it is useful when migrating a target.
 845         @echo "Configuration mismatch!"
 846         @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
 847         @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
 848         exit 1
 849 endif
 850 endif
 851
 852         # Early copyback; see "all" above for the rationale.  The
 853         # early copy is necessary so that the gcc -B options find
 854         # the right startup files when linking shared libgcc.
 855         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 856         parts="$(EXTRA_PARTS)";                                 \
 857         for file in $$parts; do                                 \
 858           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 859           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 860         done
 861
 862 # Build extra startfiles in the gcc directory, for unconverted
 863 # targets.
 864 .PHONY: gcc-extra-parts
 865 gcc-extra-parts:
 866         # Recursively invoke make in the GCC directory to build any
 867         # startfiles (for now).  We must do this just once, passing
 868         # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
 869         # so that rules which cannot execute simultaneously are properly
 870         # serialized.  We indirect through T_TARGET in case any multilib
 871         # directories contain an equals sign, to prevent make from
 872         # interpreting any of the goals as variable assignments.
 873
 874         # We must use cd && make rather than make -C, or else the stage
 875         # number will be embedded in debug information.
 876
 877         T=`$(PWD_COMMAND)`/ \
 878         && cd $(gcc_objdir) \
 879         && $(MAKE) GCC_FOR_TARGET="$(CC)" \
 880           MULTILIB_CFLAGS="$(CFLAGS)" \
 881           T=$$T \
 882           T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
 883           T_TARGET
 884
 885         # Early copyback; see "all" above for the rationale.  The
 886         # early copy is necessary so that the gcc -B options find
 887         # the right startup files when linking shared libgcc.
 888         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 889         parts="$(GCC_EXTRA_PARTS)";                             \
 890         for file in $$parts; do                                 \
 891           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 892           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 893         done
 894
 895 all: $(extra-parts)
 896
 897 # Documentation targets (empty).
 898 .PHONY: info html dvi pdf install-info install-html install-pdf
 899
 900 info:
 901 install-info:
 902 html:
 903 install-html:
 904 dvi:
 905 pdf:
 906 install-pdf:
 907
 908 # Install rules.  These do not depend on "all", so that they can be invoked
 909 # recursively from it.
 910 install-libunwind:
 911         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
 912
 913         # NOTE: Maybe this should go into $(inst_libdir), but this
 914         # is where the old mklibgcc.in put it.
 915         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
 916         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
 917         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
 918
 919         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 920                 @shlib_base_name@,libunwind,$(subst \
 921                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
 922
 923 install-shared:
 924         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 925
 926         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
 927         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 928         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 929
 930         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 931                 @shlib_base_name@,libgcc_s,$(subst \
 932                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
 933
 934 install-leaf: $(install-shared) $(install-libunwind)
 935         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 936
 937         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
 938         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
 939         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
 940         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
 941         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
 942         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
 943
 944         parts="$(INSTALL_PARTS)";                               \
 945         for file in $$parts; do                                 \
 946           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
 947           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
 948         done
 949
 950 install: install-leaf
 951         @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
 952
 953 .PHONY: install install-shared install-libunwind
 954
 955 # Don't export variables to the environment, in order to not confuse
 956 # configure.
 957 .NOEXPORT:
 958
 959 include $(srcdir)/empty.mk $(wildcard *.dep)
 960
 961 # TODO QUEUE:
 962 #   Garbage collect in gcc/:
 963 #     $(LIBGCC) settings in t-* are now unused
 964 #
 965 #   Remove use of $(gcc_srcdir).  Source files referenced using $(gcc_srcdir)
 966 #   should move into the libgcc directory.
 967