libgcc/Makefile.in

   1 # Makefile.in
   2
   3 # Copyright (C) 2005, 2006, 2009 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 3 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 COPYING3.  If not see
  19 # <http://www.gnu.org/licenses/>.
  20 #
  21
  22 libgcc_topdir = @libgcc_topdir@
  23 host_subdir = @host_subdir@
  24
  25 gcc_srcdir = $(libgcc_topdir)/gcc
  26 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
  27
  28 srcdir = @srcdir@
  29
  30 prefix = @prefix@
  31
  32 exec_prefix = @exec_prefix@
  33 libdir = @libdir@
  34 shlib_slibdir = @slibdir@
  35
  36 SHELL = @SHELL@
  37
  38 enable_shared = @enable_shared@
  39 decimal_float = @decimal_float@
  40 enable_decimal_float = @enable_decimal_float@
  41 fixed_point = @fixed_point@
  42
  43 host_noncanonical = @host_noncanonical@
  44
  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@
  48
  49 # Multilib support variables.
  50 MULTISRCTOP =
  51 MULTIBUILDTOP =
  52 MULTIDIRS =
  53 MULTISUBDIR =
  54 MULTIDO = true
  55 MULTICLEAN = true
  56
  57 INSTALL = @INSTALL@
  58 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  59 INSTALL_DATA = @INSTALL_DATA@
  60 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  61
  62 objext = .o
  63
  64 AR = @AR@
  65 AR_FLAGS = rc
  66
  67 CC = @CC@
  68 CFLAGS = @CFLAGS@
  69 RANLIB = @RANLIB@
  70 LN_S = @LN_S@
  71
  72 PWD_COMMAND = $${PWDCMD-pwd}
  73
  74 # Flags to pass to a recursive make.
  75 FLAGS_TO_PASS = \
  76         "AR=$(AR)" \
  77         "AR_FLAGS=$(AR_FLAGS)" \
  78         "CC=$(CC)" \
  79         "CFLAGS=$(CFLAGS)" \
  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)" \
  88         "RANLIB=$(RANLIB)" \
  89         "SHELL=$(SHELL)" \
  90         "prefix=$(prefix)" \
  91         "exec_prefix=$(exec_prefix)" \
  92         "libdir=$(libdir)" \
  93         "libsubdir=$(libsubdir)" \
  94         "tooldir=$(tooldir)"
  95
  96 # Dependencies for "all" are set later in the file.
  97 all: all-multi
  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)
 104
 105 .PHONY: all-multi
 106 all-multi:
 107         # If this is the top-level multilib, build all the other
 108         # multilibs.
 109         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 110
 111 .PHONY: check installcheck
 112 check:
 113 installcheck:
 114
 115 .PHONY: all clean
 116
 117 clean:
 118         -rm -f config.h stamp-h stmp-ldirs libgcc.map
 119         -rm -f *$(objext)
 120         -rm -f *.dep
 121         -rm -f *.a
 122         -rm -f libunwind$(SHLIB_EXT)
 123         -rm -f libgcc_s*
 124         @$(MULTICLEAN) multi-clean DO=clean
 125 distclean: clean
 126         @$(MULTICLEAN) multi-clean DO=distclean
 127         -rm -f *~ Makefile config.cache config.status multilib.out
 128         -rm -f config.log
 129 maintainer-clean realclean: distclean
 130
 131 Makefile: $(srcdir)/Makefile.in config.status
 132         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 133
 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
 139
 140 config.status: $(srcdir)/configure $(srcdir)/config.host
 141         $(SHELL) ./config.status --recheck
 142
 143 include $(gcc_objdir)/libgcc.mvars
 144
 145 # Flags to pass to recursive makes.
 146
 147 AR_FOR_TARGET = $(AR)
 148 AR_FLAGS_FOR_TARGET =
 149 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
 150 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
 151 AWK = @AWK@
 152 GCC_FOR_TARGET = $(CC)
 153 LIPO = @LIPO@
 154 LIPO_FOR_TARGET = $(LIPO)
 155 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 156 NM = @NM@
 157 NM_FOR_TARGET = $(NM)
 158 RANLIB_FOR_TARGET = $(RANLIB)
 159 STRIP = @STRIP@
 160 STRIP_FOR_TARGET = $(STRIP)
 161
 162 # Directory in which the compiler finds libraries etc.
 163 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 164 # Used to install the shared libgcc.
 165 slibdir = @slibdir@
 166
 167 export AR_FOR_TARGET
 168 export AR_CREATE_FOR_TARGET
 169 export AR_FLAGS_FOR_TARGET
 170 export AR_EXTRACT_FOR_TARGET
 171 export AWK
 172 export DESTDIR
 173 export GCC_FOR_TARGET
 174 export INCLUDES
 175 export INSTALL_DATA
 176 export LIB1ASMSRC
 177 export LIBGCC2_CFLAGS
 178 export LIPO_FOR_TARGET
 179 export MACHMODE_H
 180 export NM_FOR_TARGET
 181 export STRIP_FOR_TARGET
 182 export RANLIB_FOR_TARGET
 183 export libsubdir
 184 export slibdir
 185
 186 version := $(shell $(CC) -dumpversion)
 187
 188 ifeq ($(decimal_float),yes)
 189 ifeq ($(enable_decimal_float),bid)
 190 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
 191 else
 192 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
 193             -I$(srcdir)/../libdecnumber
 194 endif
 195 else
 196 DECNUMINC =
 197 endif
 198
 199 # Specify the directories to be searched for header files.
 200 # Both . and srcdir are used, in that order,
 201 # so that *config.h will be found in the compilation
 202 # subdirectory rather than in the source directory.
 203 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
 204 # currently being compiled, in both source trees, to be examined as well.
 205 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
 206            -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
 207            -I$(srcdir)/../include $(DECNUMINC)
 208
 209 # Forcibly remove any profiling-related flags.  There is no point
 210 # in supporting profiled bootstrap in this library.
 211 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
 212
 213 # CFLAGS first is not perfect; normally setting CFLAGS should override any
 214 # options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
 215 # will usually contain -g, so for the moment CFLAGS goes first.  We must
 216 # include CFLAGS - that's where multilib options live.
 217 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
 218                   $(INCLUDES) @set_have_cc_tls@
 219
 220 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 221 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 222
 223 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 224 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 225 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 226
 227 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
 228 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
 229 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
 230 gcc_s_compile = $(gcc_compile) -DSHARED
 231
 232 objects = $(filter %$(objext),$^)
 233
 234 # Collect any host-specific information from Makefile fragments.
 235 tmake_file = @tmake_file@
 236 include $(srcdir)/empty.mk $(tmake_file)
 237
 238 # Only handle shared libraries if both:
 239 #   - the user requested them
 240 #   - we know how to build them
 241 ifeq ($(SHLIB_LINK),)
 242   enable_shared := no
 243 endif
 244
 245 ifeq ($(enable_shared),yes)
 246   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 247
 248   install-shared = install-shared
 249
 250   ifneq ($(LIBUNWIND),)
 251     install-libunwind = install-libunwind
 252   endif
 253
 254 # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
 255 # the command line, and a #define to prevent libgcc2.h etc from
 256 # overriding that with #pragmas.
 257 vis_hide = @vis_hide@
 258
 259 ifneq (,$(vis_hide))
 260
 261 # If we have -fvisibility=hidden, then we need to generate hide
 262 # lists for object files implemented in assembly.
 263 ASM_HIDDEN_OP = @asm_hidden_op@
 264
 265 define gen-hide-list
 266 $(NM) -pg $< | \
 267   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
 268          && $$3 !~ /.*@.*/ \
 269          { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 270 mv -f $@T $@
 271 endef
 272 else
 273 gen-hide-list = echo > $@
 274 endif
 275
 276 else
 277 # Not enable_shared.
 278 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 279 vis_hide =
 280 gen-hide-list = echo > \$@
 281 endif
 282
 283 ifneq ($(EXTRA_PARTS),)
 284   extra-parts = libgcc-extra-parts
 285   INSTALL_PARTS = $(EXTRA_PARTS)
 286 else
 287 ifneq ($(GCC_EXTRA_PARTS),)
 288   extra-parts = gcc-extra-parts
 289   INSTALL_PARTS = $(GCC_EXTRA_PARTS)
 290 endif
 291 endif
 292
 293 # Library members defined in libgcc2.c.
 294 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 295             _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
 296             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 297             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 298             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 299             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 300             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 301             _divtc3 _bswapsi2 _bswapdi2
 302
 303 # The floating-point conversion routines that involve a single-word integer.
 304 # XX stands for the integer mode.
 305 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 306
 307 # Likewise double-word routines.
 308 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 309                $(patsubst %,_fixuns%XX,sf df xf tf) \
 310                $(patsubst %,_floatXX%,sf df xf tf) \
 311                $(patsubst %,_floatunXX%,sf df xf tf)
 312
 313 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 314   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 315   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 316 endif
 317
 318 # These might cause a divide overflow trap and so are compiled with
 319 # unwinder info.
 320 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 321
 322 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 323 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 324 # in LIB2FUNCS_EXCLUDE.
 325 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 326 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 327                        $(LIB2_DIVMOD_FUNCS))
 328
 329 # Build "libgcc1" (assembly) components.
 330 ifeq ($(enable_shared),yes)
 331
 332 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 333 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
 334         $(gcc_compile) -DL$* -xassembler-with-cpp \
 335           -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
 336 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
 337         $(gen-hide-list)
 338 libgcc-objects += $(lib1asmfuncs-o)
 339
 340 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
 341 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 342         $(gcc_s_compile) -DL$* -xassembler-with-cpp \
 343           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 344 libgcc-s-objects += $(lib1asmfuncs-s-o)
 345
 346 else
 347
 348 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 349 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 350         $(gcc_compile) -DL$* -xassembler-with-cpp \
 351           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 352 libgcc-objects += $(lib1asmfuncs-o)
 353
 354 endif
 355
 356 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 357 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 358 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 359         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 360           $(vis_hide)
 361 libgcc-objects += $(lib2funcs-o)
 362
 363 ifeq ($(enable_shared),yes)
 364 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 365 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 366         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
 367 libgcc-s-objects += $(lib2funcs-s-o)
 368 endif
 369
 370 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 371 # Build libgcc2.c for each conversion function, with a specific
 372 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 373 # functions are built with a wordsize of 4; the TImode functions are
 374 # built with the same labels, but a wordsize of 8.
 375
 376 sifuncs = $(subst XX,si,$(swfloatfuncs))
 377 difuncs = $(subst XX,di,$(dwfloatfuncs))
 378 tifuncs = $(subst XX,ti,$(dwfloatfuncs))
 379
 380 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 381 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 382 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 383
 384 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 385
 386 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 387 ifeq ($(enable_shared),yes)
 388 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 389 endif
 390 endif
 391
 392 # Build LIB2_DIVMOD_FUNCS.
 393 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 394 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 395         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 396           -fexceptions -fnon-call-exceptions $(vis_hide)
 397 libgcc-objects += $(lib2-divmod-o)
 398
 399 ifeq ($(enable_shared),yes)
 400 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 401 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 402         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 403           -fexceptions -fnon-call-exceptions
 404 libgcc-s-objects += $(lib2-divmod-s-o)
 405 endif
 406
 407 # $(FPBIT) et al. are pathnames relative to the GCC build
 408 # directory; the supporting files are made by the GCC
 409 # Makefile.
 410 # FIXME: Soon we will be able to move this logic into this directory.
 411
 412 ifneq ($(fpbit-in-libgcc),yes)
 413 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
 414 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
 415 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
 416 endif
 417
 418 ifeq ($(TPBIT),)
 419 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 420 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 421 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 422 endif
 423
 424 # Build FPBIT.
 425 ifneq ($(FPBIT),)
 426 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 427 $(fpbit-o): %$(objext): $(FPBIT)
 428         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
 429 libgcc-objects += $(fpbit-o)
 430
 431 ifeq ($(enable_shared),yes)
 432 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 433 $(fpbit-s-o): %_s$(objext): $(FPBIT)
 434         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
 435 libgcc-s-objects += $(fpbit-s-o)
 436 endif
 437 endif
 438
 439 # Build DPBIT.
 440 ifneq ($(DPBIT),)
 441 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 442 $(dpbit-o): %$(objext): $(DPBIT)
 443         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
 444 libgcc-objects += $(dpbit-o)
 445
 446 ifeq ($(enable_shared),yes)
 447 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 448 $(dpbit-s-o): %_s$(objext): $(DPBIT)
 449         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
 450 libgcc-s-objects += $(dpbit-s-o)
 451 endif
 452 endif
 453
 454 # Build TPBIT.
 455 ifneq ($(TPBIT),)
 456 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 457 $(tpbit-o): %$(objext): $(TPBIT)
 458         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
 459 libgcc-objects += $(tpbit-o)
 460
 461 ifeq ($(enable_shared),yes)
 462 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 463 $(tpbit-s-o): %_s$(objext): $(TPBIT)
 464         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
 465 libgcc-s-objects += $(tpbit-s-o)
 466 endif
 467 endif
 468
 469 # Build decimal floating point support.
 470 ifeq ($(decimal_float),yes)
 471
 472 # If $DFP_ENABLE is set, then we want all data type sizes.
 473 ifneq ($(DFP_ENABLE),)
 474 D32PBIT = 1
 475 D64PBIT = 1
 476 D128PBIT = 1
 477 endif
 478
 479 dfp-filenames =
 480 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 481 ifeq ($(enable_decimal_float),bid)
 482 dfp-filenames += bid_decimal_globals bid_decimal_data \
 483                  bid_binarydecimal bid_convert_data \
 484                  _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
 485                  bid128_noncomp bid128_fma bid_round bid_from_int \
 486                  bid64_add bid128_add bid64_div bid128_div \
 487                  bid64_mul bid128_mul bid64_compare bid128_compare \
 488                  bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
 489                  bid64_to_int32 bid64_to_int64 \
 490                  bid64_to_uint32 bid64_to_uint64 \
 491                  bid128_to_int32 bid128_to_int64 \
 492                  bid128_to_uint32 bid128_to_uint64
 493 else
 494 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
 495 endif
 496 endif
 497
 498 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
 499 ifeq ($(enable_decimal_float),bid)
 500 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
 501 else
 502 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 503 endif
 504         $(gcc_compile) -c $<
 505 libgcc-objects += $(dfp-objects)
 506
 507 decbits-filenames =
 508 ifneq ($(enable_decimal_float),bid)
 509 ifneq ($(D32PBIT),)
 510 decbits-filenames += decimal32
 511 endif
 512
 513 ifneq ($(D64PBIT),)
 514 decbits-filenames += decimal64
 515 endif
 516
 517 ifneq ($(D128PBIT),)
 518 decbits-filenames += decimal128
 519 endif
 520 endif
 521
 522 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
 523 ifeq ($(enable_decimal_float),bid)
 524 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
 525 else
 526 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
 527 endif
 528         $(gcc_compile) -c $<
 529 libgcc-objects += $(decbits-objects)
 530
 531 # Next build individual support functions.
 532 ifeq ($(enable_decimal_float),bid)
 533 ifneq ($(D32PBIT),)
 534 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
 535 endif
 536
 537 ifneq ($(D64PBIT),)
 538 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
 539 endif
 540
 541 ifneq ($(D128PBIT),)
 542 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
 543 endif
 544 endif
 545
 546 ifneq ($(D32PBIT),)
 547 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 548 ifeq ($(enable_decimal_float),bid)
 549 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 550 else
 551 $(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 552 endif
 553         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 554 libgcc-objects += $(d32pbit-o)
 555 endif
 556
 557 ifneq ($(D64PBIT),)
 558 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 559 ifeq ($(enable_decimal_float),bid)
 560 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 561 else
 562 $(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 563 endif
 564         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 565 libgcc-objects += $(d64pbit-o)
 566 endif
 567
 568 ifneq ($(D128PBIT),)
 569 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 570 ifeq ($(enable_decimal_float),bid)
 571 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 572 else
 573 $(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 574 endif
 575         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 576 libgcc-objects += $(d128pbit-o)
 577 endif
 578
 579 endif
 580
 581 ifeq ($(LIBGCC_SYNC),yes)
 582 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
 583                             sync_fetch_and_$(op) \
 584                             sync_$(op)_and_fetch) \
 585                           sync_bool_compare_and_swap \
 586                           sync_val_compare_and_swap \
 587                           sync_lock_test_and_set
 588
 589 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
 590                             $(foreach suffix, 1 2 4 8 16, \
 591                               $(prefix)_$(suffix)))
 592
 593 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
 594 $(libgcc-sync-size-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
 595         $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
 596           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 597           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 598           -c $(gcc_srcdir)/config/sync.c $(vis_hide)
 599 libgcc-objects += $(libgcc-sync-size-funcs-o)
 600
 601 libgcc-sync-funcs := sync_synchronize
 602
 603 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
 604 $(libgcc-sync-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
 605         $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
 606           -DL$* \
 607           -c $(gcc_srcdir)/config/sync.c $(vis_hide)
 608 libgcc-objects += $(libgcc-sync-funcs-o)
 609
 610 ifeq ($(enable_shared),yes)
 611 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
 612                                $(libgcc-sync-size-funcs))
 613 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
 614         $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
 615           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 616           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 617           -c $(gcc_srcdir)/config/sync.c
 618 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
 619
 620 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
 621 $(libgcc-sync-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
 622         $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
 623           -DL$* \
 624           -c $(gcc_srcdir)/config/sync.c
 625 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
 626 endif
 627 endif
 628
 629 # Build fixed-point support.
 630 ifeq ($(fixed_point),yes)
 631
 632 # Generate permutations of function name and mode
 633 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
 634 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
 635 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
 636
 637 # Generate the rules for each arithmetic function
 638 iter-items := $(fixed-funcs)
 639 iter-labels := $(fixed-labels)
 640 iter-from := $(fixed-modes)
 641 iter-to := $(fixed-modes)
 642 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 643
 644 # Add arithmetic functions to list of objects to be built
 645 libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
 646 ifeq ($(enable_shared),yes)
 647 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
 648 endif
 649
 650 # Convert from or to fractional
 651 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
 652 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
 653 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
 654 fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
 655
 656 # Generate the make rules for each conversion function
 657 iter-items := $(fixed-conv-funcs)
 658 iter-labels := $(fixed-conv-labels)
 659 iter-from := $(fixed-conv-from)
 660 iter-to := $(fixed-conv-to)
 661 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 662
 663 # Add conversion functions to list of objects to be built
 664 libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
 665 ifeq ($(enable_shared),yes)
 666 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
 667 endif
 668
 669 endif
 670
 671 # Build LIB2ADD and LIB2ADD_ST.
 672 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 673 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 674 endif
 675
 676 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 677 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 678
 679 c_flags :=
 680 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 681 include $(iterator)
 682
 683 ifeq ($(enable_shared),yes)
 684 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 685 endif
 686
 687 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 688 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 689 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 690
 691 c_flags := -fexceptions
 692
 693 ifeq ($(enable_shared),yes)
 694
 695 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 696 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 697
 698 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 699 include $(iterator)
 700
 701 else
 702 # Not shared.  LIB2ADDEH are added to libgcc.a.
 703
 704 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 705
 706 iter-items := $(LIB2ADDEH)
 707 include $(iterator)
 708
 709 endif
 710
 711 # Build LIBUNWIND.
 712
 713 c_flags := -fexceptions
 714
 715 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 716
 717 ifeq ($(enable_shared),yes)
 718 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 719 endif
 720
 721 iter-items := $(LIBUNWIND)
 722 include $(iterator)
 723
 724 # Build libgcov components.
 725 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 726 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
 727         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
 728
 729
 730 # Static libraries.
 731 libgcc.a: $(libgcc-objects)
 732 libgcov.a: $(libgcov-objects)
 733 libunwind.a: $(libunwind-objects)
 734 libgcc_eh.a: $(libgcc-eh-objects)
 735
 736 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 737         -rm -f $@
 738
 739         objects="$(objects)";                                   \
 740         if test -z "$$objects"; then                            \
 741           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 742           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 743              -o eh_dummy$(objext);                              \
 744           objects=eh_dummy$(objext);                            \
 745         fi;                                                     \
 746         $(AR_CREATE_FOR_TARGET) $@ $$objects
 747
 748         $(RANLIB) $@
 749
 750 all: libgcc.a libgcov.a
 751
 752 ifneq ($(LIBUNWIND),)
 753 all: libunwind.a
 754 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 755 endif
 756
 757 ifeq ($(enable_shared),yes)
 758 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 759 ifneq ($(LIBUNWIND),)
 760 all: libunwind$(SHLIB_EXT)
 761 endif
 762 endif
 763
 764 ifeq ($(enable_shared),yes)
 765
 766 # Map-file generation.
 767 ifneq ($(SHLIB_MKMAP),)
 768 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 769         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 770           cat $(SHLIB_MAPFILES) \
 771             | sed -e '/^[       ]*#/d' \
 772                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 773             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 774         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 775         mv tmp-$@ $@
 776 libgcc_s$(SHLIB_EXT): libgcc.map
 777 mapfile = libgcc.map
 778 endif
 779
 780 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 781         # @multilib_flags@ is still needed because this may use
 782         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 783         # @multilib_dir@ is not really necessary, but sometimes it has
 784         # more uses than just a directory name.
 785         $(mkinstalldirs) $(MULTIDIR)
 786         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 787                 @multilib_dir@,$(MULTIDIR),$(subst \
 788                 @shlib_objs@,$(objects),$(subst \
 789                 @shlib_base_name@,libgcc_s,$(subst \
 790                 @shlib_map_file@,$(mapfile),$(subst \
 791                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
 792                 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
 793
 794 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 795         # @multilib_flags@ is still needed because this may use
 796         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 797         # @multilib_dir@ is not really necessary, but sometimes it has
 798         # more uses than just a directory name.
 799         $(mkinstalldirs) $(MULTIDIR)
 800         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 801                 @multilib_dir@,$(MULTIDIR),$(subst \
 802                 @shlib_objs@,$(objects),$(subst \
 803                 @shlib_base_name@,libunwind,$(subst \
 804                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 805
 806 endif
 807
 808 # Build the standard GCC startfiles and endfiles.
 809 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 810 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 811
 812 ifeq ($(CUSTOM_CRTSTUFF),)
 813 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
 814         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 815           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
 816
 817 crtend$(objext): $(gcc_srcdir)/crtstuff.c
 818         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 819           -c $(gcc_srcdir)/crtstuff.c -DCRT_END
 820
 821 # These are versions of crtbegin and crtend for shared libraries.
 822 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
 823         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 824           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
 825
 826 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
 827         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 828           -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
 829
 830 # This is a version of crtbegin for -static links.
 831 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
 832         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 833           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
 834 endif
 835
 836 # Build extra startfiles in the libgcc directory.
 837 .PHONY: libgcc-extra-parts
 838 libgcc-extra-parts: $(EXTRA_PARTS)
 839 ifneq ($(GCC_EXTRA_PARTS),)
 840 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
 841         # If the gcc directory specifies which extra parts to
 842         # build for this target, and the libgcc configuration also
 843         # specifies, make sure they match.  This can be removed
 844         # when the gcc directory no longer holds libgcc configuration;
 845         # it is useful when migrating a target.
 846         @echo "Configuration mismatch!"
 847         @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
 848         @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
 849         exit 1
 850 endif
 851 endif
 852
 853         # Early copyback; see "all" above for the rationale.  The
 854         # early copy is necessary so that the gcc -B options find
 855         # the right startup files when linking shared libgcc.
 856         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 857         parts="$(EXTRA_PARTS)";                                 \
 858         for file in $$parts; do                                 \
 859           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 860           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 861         done
 862
 863 # Build extra startfiles in the gcc directory, for unconverted
 864 # targets.
 865 .PHONY: gcc-extra-parts
 866 gcc-extra-parts:
 867         # Recursively invoke make in the GCC directory to build any
 868         # startfiles (for now).  We must do this just once, passing
 869         # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
 870         # so that rules which cannot execute simultaneously are properly
 871         # serialized.  We indirect through T_TARGET in case any multilib
 872         # directories contain an equals sign, to prevent make from
 873         # interpreting any of the goals as variable assignments.
 874
 875         # We must use cd && make rather than make -C, or else the stage
 876         # number will be embedded in debug information.
 877
 878         T=`$(PWD_COMMAND)`/ \
 879         && cd $(gcc_objdir) \
 880         && $(MAKE) GCC_FOR_TARGET="$(CC)" \
 881           MULTILIB_CFLAGS="$(CFLAGS)" \
 882           T=$$T \
 883           T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
 884           T_TARGET
 885
 886         # Early copyback; see "all" above for the rationale.  The
 887         # early copy is necessary so that the gcc -B options find
 888         # the right startup files when linking shared libgcc.
 889         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 890         parts="$(GCC_EXTRA_PARTS)";                             \
 891         for file in $$parts; do                                 \
 892           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 893           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 894         done
 895
 896 all: $(extra-parts)
 897
 898 # Documentation targets (empty).
 899 .PHONY: info html dvi pdf install-info install-html install-pdf
 900
 901 info:
 902 install-info:
 903 html:
 904 install-html:
 905 dvi:
 906 pdf:
 907 install-pdf:
 908
 909 # Install rules.  These do not depend on "all", so that they can be invoked
 910 # recursively from it.
 911 install-libunwind:
 912         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
 913
 914         # NOTE: Maybe this should go into $(inst_libdir), but this
 915         # is where the old mklibgcc.in put it.
 916         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
 917         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
 918         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
 919
 920         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 921                 @shlib_base_name@,libunwind,$(subst \
 922                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
 923
 924 install-shared:
 925         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 926
 927         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
 928         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 929         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 930
 931         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 932                 @shlib_base_name@,libgcc_s,$(subst \
 933                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
 934
 935 install-leaf: $(install-shared) $(install-libunwind)
 936         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 937
 938         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
 939         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
 940         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
 941         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
 942         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
 943         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
 944
 945         parts="$(INSTALL_PARTS)";                               \
 946         for file in $$parts; do                                 \
 947           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
 948           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
 949         done
 950
 951 install: install-leaf
 952         @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
 953
 954 .PHONY: install install-shared install-libunwind
 955
 956 # Don't export variables to the environment, in order to not confuse
 957 # configure.
 958 .NOEXPORT:
 959
 960 include $(srcdir)/empty.mk $(wildcard *.dep)
 961
 962 # TODO QUEUE:
 963 #   Garbage collect in gcc/:
 964 #     $(LIBGCC) settings in t-* are now unused
 965 #
 966 #   Remove use of $(gcc_srcdir).  Source files referenced using $(gcc_srcdir)
 967 #   should move into the libgcc directory.
 968