libgcc/Makefile.in

   1 # Makefile.in
   2
   3 # Copyright (C) 2005, 2006, 2009, 2010, 2011 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 cpu_type = @cpu_type@
  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 target_noncanonical = @target_noncanonical@
  46
  47 # List of extra object files that should be compiled for this target machine.
  48 # The rules for compiling them should be in the t-* file for the machine.
  49 EXTRA_PARTS = @extra_parts@
  50
  51 # Multilib support variables.
  52 MULTISRCTOP =
  53 MULTIBUILDTOP =
  54 MULTIDIRS =
  55 MULTISUBDIR =
  56 MULTIDO = true
  57 MULTICLEAN = true
  58
  59 INSTALL = @INSTALL@
  60 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  61 INSTALL_DATA = @INSTALL_DATA@
  62 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  63
  64 objext = .o
  65
  66 AR = @AR@
  67 AR_FLAGS = rc
  68
  69 CC = @CC@
  70 CFLAGS = @CFLAGS@
  71 RANLIB = @RANLIB@
  72 LN_S = @LN_S@
  73
  74 PWD_COMMAND = $${PWDCMD-pwd}
  75
  76 # Flags to pass to a recursive make.
  77 FLAGS_TO_PASS = \
  78         "AR=$(AR)" \
  79         "AR_FLAGS=$(AR_FLAGS)" \
  80         "CC=$(CC)" \
  81         "CFLAGS=$(CFLAGS)" \
  82         "DESTDIR=$(DESTDIR)" \
  83         "EXTRA_OFILES=$(EXTRA_OFILES)" \
  84         "HDEFINES=$(HDEFINES)" \
  85         "INSTALL=$(INSTALL)" \
  86         "INSTALL_DATA=$(INSTALL_DATA)" \
  87         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
  88         "LDFLAGS=$(LDFLAGS)" \
  89         "LOADLIBES=$(LOADLIBES)" \
  90         "RANLIB=$(RANLIB)" \
  91         "SHELL=$(SHELL)" \
  92         "prefix=$(prefix)" \
  93         "exec_prefix=$(exec_prefix)" \
  94         "libdir=$(libdir)" \
  95         "libsubdir=$(libsubdir)" \
  96         "tooldir=$(tooldir)"
  97
  98 # Dependencies for "all" are set later in the file.
  99 all: all-multi
 100         # Now that we have built all the objects, we need to copy
 101         # them back to the GCC directory.  Too many things (other
 102         # in-tree libraries, and DejaGNU) know about the layout
 103         # of the build tree, for now.
 104         $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
 105           slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
 106
 107 .PHONY: all-multi
 108 all-multi:
 109         # If this is the top-level multilib, build all the other
 110         # multilibs.
 111         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 112
 113 .PHONY: check installcheck
 114 check:
 115 installcheck:
 116
 117 .PHONY: all clean
 118
 119 clean:
 120         -rm -f config.h stamp-h stmp-ldirs libgcc.map
 121         -rm -f *$(objext)
 122         -rm -f *.dep
 123         -rm -f *.a
 124         -rm -f libunwind$(SHLIB_EXT)
 125         -rm -f libgcc_s*
 126         @$(MULTICLEAN) multi-clean DO=clean
 127 distclean: clean
 128         @$(MULTICLEAN) multi-clean DO=distclean
 129         -rm -f *~ Makefile config.cache config.status multilib.out
 130         -rm -f config.log
 131 maintainer-clean realclean: distclean
 132
 133 Makefile: $(srcdir)/Makefile.in config.status
 134         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 135
 136 # Depending on Makefile makes sure that config.status has been re-run
 137 # if needed.  This prevents problems with parallel builds.
 138 config.h: stamp-h ; @true
 139 stamp-h: $(srcdir)/config.in config.status Makefile
 140         CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
 141
 142 config.status: $(srcdir)/configure $(srcdir)/config.host
 143         $(SHELL) ./config.status --recheck
 144
 145 AUTOCONF = autoconf
 146 configure_deps = \
 147         $(srcdir)/../config/enable.m4 \
 148         $(srcdir)/../config/tls.m4 \
 149         $(srcdir)/../config/acx.m4 \
 150         $(srcdir)/../config/no-executables.m4 \
 151         $(srcdir)/../config/override.m4 \
 152         $(srcdir)/../config/dfp.m4 \
 153
 154 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
 155         cd $(srcdir) && $(AUTOCONF)
 156
 157 include $(gcc_objdir)/libgcc.mvars
 158
 159 # Flags to pass to recursive makes.
 160
 161 AR_FOR_TARGET = $(AR)
 162 AR_FLAGS_FOR_TARGET =
 163 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
 164 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
 165 AWK = @AWK@
 166 GCC_FOR_TARGET = $(CC)
 167 LIPO = @LIPO@
 168 LIPO_FOR_TARGET = $(LIPO)
 169 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 170 NM = @NM@
 171 NM_FOR_TARGET = $(NM)
 172 RANLIB_FOR_TARGET = $(RANLIB)
 173 STRIP = @STRIP@
 174 STRIP_FOR_TARGET = $(STRIP)
 175
 176 # Directory in which the compiler finds libraries etc.
 177 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 178 # Used to install the shared libgcc.
 179 slibdir = @slibdir@
 180 # Maybe used for DLLs on Windows targets.
 181 toolexecdir = @toolexecdir@
 182 toolexeclibdir = @toolexeclibdir@
 183
 184 export AR_FOR_TARGET
 185 export AR_CREATE_FOR_TARGET
 186 export AR_FLAGS_FOR_TARGET
 187 export AR_EXTRACT_FOR_TARGET
 188 export AWK
 189 export DESTDIR
 190 export GCC_FOR_TARGET
 191 export INCLUDES
 192 export INSTALL_DATA
 193 export LIB1ASMSRC
 194 export LIBGCC2_CFLAGS
 195 export LIPO_FOR_TARGET
 196 export MACHMODE_H
 197 export NM_FOR_TARGET
 198 export STRIP_FOR_TARGET
 199 export RANLIB_FOR_TARGET
 200 export libsubdir
 201 export slibdir
 202 export toolexecdir
 203 export toolexeclibdir
 204
 205 version := $(shell $(CC) -dumpversion)
 206
 207 ifeq ($(decimal_float),yes)
 208 ifeq ($(enable_decimal_float),bid)
 209 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
 210 else
 211 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
 212             -I$(srcdir)/../libdecnumber
 213 endif
 214 else
 215 DECNUMINC =
 216 endif
 217
 218 # Specify the directories to be searched for header files.
 219 # Both . and srcdir are used, in that order,
 220 # so that *config.h will be found in the compilation
 221 # subdirectory rather than in the source directory.
 222 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
 223 # currently being compiled, in both source trees, to be examined as well.
 224 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
 225            -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
 226            -I$(srcdir)/../include $(DECNUMINC)
 227
 228 # Forcibly remove any profiling-related flags.  There is no point
 229 # in supporting profiled bootstrap in this library.
 230 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
 231
 232 # CFLAGS first is not perfect; normally setting CFLAGS should override any
 233 # options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
 234 # will usually contain -g, so for the moment CFLAGS goes first.  We must
 235 # include CFLAGS - that's where multilib options live.
 236 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
 237                   $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
 238
 239 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 240 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 241
 242 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 243 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 244 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 245
 246 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
 247 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
 248 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
 249 gcc_s_compile = $(gcc_compile) -DSHARED
 250
 251 objects = $(filter %$(objext),$^)
 252
 253 # Collect any host-specific information from Makefile fragments.
 254
 255 LIBGCC_VER_GNU_PREFIX = __
 256 LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
 257 LIBGCC_VER_SYMBOLS_PREFIX =
 258
 259 # Additional sources to handle exceptions; overridden by targets as needed.
 260 LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
 261   $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
 262 LIB2ADDEHSTATIC = $(LIB2ADDEH)
 263 LIB2ADDEHSHARED = $(LIB2ADDEH)
 264
 265 # Don't build libunwind by default.
 266 LIBUNWIND =
 267 SHLIBUNWIND_LINK =
 268 SHLIBUNWIND_INSTALL =
 269
 270 tmake_file = @tmake_file@
 271 include $(srcdir)/empty.mk $(tmake_file)
 272
 273 # Only handle shared libraries if both:
 274 #   - the user requested them
 275 #   - we know how to build them
 276 ifeq ($(SHLIB_LINK),)
 277   enable_shared := no
 278 endif
 279
 280 ifeq ($(enable_shared),yes)
 281   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 282
 283   install-shared = install-shared
 284
 285   ifneq ($(LIBUNWIND),)
 286     install-libunwind = install-libunwind
 287   endif
 288
 289 # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
 290 # the command line, and a #define to prevent libgcc2.h etc from
 291 # overriding that with #pragmas.
 292 vis_hide = @vis_hide@
 293
 294 ifneq (,$(vis_hide))
 295
 296 # If we have -fvisibility=hidden, then we need to generate hide
 297 # lists for object files implemented in assembly.
 298 ASM_HIDDEN_OP = @asm_hidden_op@
 299
 300 define gen-hide-list
 301 $(NM) -pg $< | \
 302   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
 303          && $$3 !~ /.*@.*/ \
 304          { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 305 mv -f $@T $@
 306 endef
 307 else
 308 gen-hide-list = echo > $@
 309 endif
 310
 311 else
 312 # Not enable_shared.
 313 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 314 vis_hide =
 315 gen-hide-list = echo > \$@
 316 endif
 317
 318 ifneq ($(EXTRA_PARTS),)
 319   extra-parts = libgcc-extra-parts
 320   INSTALL_PARTS = $(EXTRA_PARTS)
 321 else
 322 ifneq ($(GCC_EXTRA_PARTS),)
 323   extra-parts = gcc-extra-parts
 324   INSTALL_PARTS = $(GCC_EXTRA_PARTS)
 325 endif
 326 endif
 327
 328 LIB2ADD += enable-execute-stack.c
 329
 330 LIB2ADDEH += $(srcdir)/emutls.c
 331 LIB2ADDEHSTATIC += $(srcdir)/emutls.c
 332 LIB2ADDEHSHARED += $(srcdir)/emutls.c
 333
 334 # Library members defined in libgcc2.c.
 335 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 336             _clear_cache _trampoline __main _absvsi2 \
 337             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 338             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 339             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 340             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 341             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 342             _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 _clrsbdi2
 343
 344 # The floating-point conversion routines that involve a single-word integer.
 345 # XX stands for the integer mode.
 346 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 347
 348 # Likewise double-word routines.
 349 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 350                $(patsubst %,_fixuns%XX,sf df xf tf) \
 351                $(patsubst %,_floatXX%,sf df xf tf) \
 352                $(patsubst %,_floatunXX%,sf df xf tf)
 353
 354 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 355   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 356   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 357 endif
 358
 359 # These might cause a divide overflow trap and so are compiled with
 360 # unwinder info.
 361 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 362
 363 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 364 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 365 # in LIB2FUNCS_EXCLUDE.
 366 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 367 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 368                        $(LIB2_DIVMOD_FUNCS))
 369
 370 # Build "libgcc1" (assembly) components.
 371 ifeq ($(enable_shared),yes)
 372
 373 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 374 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
 375         $(gcc_compile) -DL$* -xassembler-with-cpp \
 376           -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
 377 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
 378         $(gen-hide-list)
 379 libgcc-objects += $(lib1asmfuncs-o)
 380
 381 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
 382 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 383         $(gcc_s_compile) -DL$* -xassembler-with-cpp \
 384           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 385 libgcc-s-objects += $(lib1asmfuncs-s-o)
 386
 387 else
 388
 389 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 390 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 391         $(gcc_compile) -DL$* -xassembler-with-cpp \
 392           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 393 libgcc-objects += $(lib1asmfuncs-o)
 394
 395 endif
 396
 397 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 398 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 399 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 400         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 401           $(vis_hide)
 402 libgcc-objects += $(lib2funcs-o)
 403
 404 ifeq ($(enable_shared),yes)
 405 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 406 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 407         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
 408 libgcc-s-objects += $(lib2funcs-s-o)
 409 endif
 410
 411 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 412 # Build libgcc2.c for each conversion function, with a specific
 413 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 414 # functions are built with a wordsize of 4; the TImode functions are
 415 # built with the same labels, but a wordsize of 8.
 416
 417 sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
 418 difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
 419 tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
 420
 421 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 422 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 423 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 424
 425 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 426
 427 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 428 ifeq ($(enable_shared),yes)
 429 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 430 endif
 431 endif
 432
 433 # Build LIB2_DIVMOD_FUNCS.
 434 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 435 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 436         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 437           -fexceptions -fnon-call-exceptions $(vis_hide)
 438 libgcc-objects += $(lib2-divmod-o)
 439
 440 ifeq ($(enable_shared),yes)
 441 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 442 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 443         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 444           -fexceptions -fnon-call-exceptions
 445 libgcc-s-objects += $(lib2-divmod-s-o)
 446 endif
 447
 448 # $(FPBIT) et al. are pathnames relative to the GCC build
 449 # directory; the supporting files are made by the GCC
 450 # Makefile.
 451 # FIXME: Soon we will be able to move this logic into this directory.
 452
 453 ifneq ($(fpbit-in-libgcc),yes)
 454 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
 455 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
 456 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
 457 endif
 458
 459 ifeq ($(TPBIT),)
 460 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 461 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 462 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 463 endif
 464
 465 # Build FPBIT.
 466 ifneq ($(FPBIT),)
 467 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 468 $(fpbit-o): %$(objext): $(FPBIT)
 469         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
 470 libgcc-objects += $(fpbit-o)
 471
 472 ifeq ($(enable_shared),yes)
 473 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 474 $(fpbit-s-o): %_s$(objext): $(FPBIT)
 475         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
 476 libgcc-s-objects += $(fpbit-s-o)
 477 endif
 478 endif
 479
 480 # Build DPBIT.
 481 ifneq ($(DPBIT),)
 482 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 483 $(dpbit-o): %$(objext): $(DPBIT)
 484         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
 485 libgcc-objects += $(dpbit-o)
 486
 487 ifeq ($(enable_shared),yes)
 488 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 489 $(dpbit-s-o): %_s$(objext): $(DPBIT)
 490         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
 491 libgcc-s-objects += $(dpbit-s-o)
 492 endif
 493 endif
 494
 495 # Build TPBIT.
 496 ifneq ($(TPBIT),)
 497 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 498 $(tpbit-o): %$(objext): $(TPBIT)
 499         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
 500 libgcc-objects += $(tpbit-o)
 501
 502 ifeq ($(enable_shared),yes)
 503 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 504 $(tpbit-s-o): %_s$(objext): $(TPBIT)
 505         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
 506 libgcc-s-objects += $(tpbit-s-o)
 507 endif
 508 endif
 509
 510 # Build decimal floating point support.
 511 ifeq ($(decimal_float),yes)
 512
 513 # If $DFP_ENABLE is set, then we want all data type sizes.
 514 ifneq ($(DFP_ENABLE),)
 515 D32PBIT = 1
 516 D64PBIT = 1
 517 D128PBIT = 1
 518 endif
 519
 520 dfp-filenames =
 521 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 522 ifeq ($(enable_decimal_float),bid)
 523 dfp-filenames += bid_decimal_globals bid_decimal_data \
 524                  bid_binarydecimal bid_convert_data \
 525                  _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
 526                  bid128_noncomp bid128_fma bid_round bid_from_int \
 527                  bid64_add bid128_add bid64_div bid128_div \
 528                  bid64_mul bid128_mul bid64_compare bid128_compare \
 529                  bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
 530                  bid64_to_int32 bid64_to_int64 \
 531                  bid64_to_uint32 bid64_to_uint64 \
 532                  bid128_to_int32 bid128_to_int64 \
 533                  bid128_to_uint32 bid128_to_uint64
 534 else
 535 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
 536 endif
 537 endif
 538
 539 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
 540 ifeq ($(enable_decimal_float),bid)
 541 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
 542 else
 543 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 544 endif
 545         $(gcc_compile) -c $<
 546 libgcc-objects += $(dfp-objects)
 547
 548 decbits-filenames =
 549 ifneq ($(enable_decimal_float),bid)
 550 ifneq ($(D32PBIT),)
 551 decbits-filenames += decimal32
 552 endif
 553
 554 ifneq ($(D64PBIT),)
 555 decbits-filenames += decimal64
 556 endif
 557
 558 ifneq ($(D128PBIT),)
 559 decbits-filenames += decimal128
 560 endif
 561 endif
 562
 563 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
 564 ifeq ($(enable_decimal_float),bid)
 565 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
 566 else
 567 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
 568 endif
 569         $(gcc_compile) -c $<
 570 libgcc-objects += $(decbits-objects)
 571
 572 # Next build individual support functions.
 573 D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
 574         _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
 575         _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
 576         _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
 577         _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
 578         _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
 579         _sd_to_dd _sd_to_td _unord_sd _conv_sd
 580
 581 D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
 582         _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
 583         _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
 584         _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
 585         _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
 586         _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
 587         _dd_to_sd _dd_to_td _unord_dd _conv_dd
 588
 589 D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
 590         _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
 591         _td_to_si _td_to_di _td_to_usi _td_to_udi \
 592         _si_to_td _di_to_td _usi_to_td _udi_to_td \
 593         _td_to_sf _td_to_df _td_to_xf _td_to_tf \
 594         _sf_to_td _df_to_td _xf_to_td _tf_to_td \
 595         _td_to_sd _td_to_dd _unord_td _conv_td
 596
 597 ifeq ($(enable_decimal_float),bid)
 598 ifneq ($(D32PBIT),)
 599 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
 600 endif
 601
 602 ifneq ($(D64PBIT),)
 603 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
 604 endif
 605
 606 ifneq ($(D128PBIT),)
 607 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
 608 endif
 609 endif
 610
 611 ifneq ($(D32PBIT),)
 612 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 613 ifeq ($(enable_decimal_float),bid)
 614 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 615 else
 616 $(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 617 endif
 618         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 619 libgcc-objects += $(d32pbit-o)
 620 endif
 621
 622 ifneq ($(D64PBIT),)
 623 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 624 ifeq ($(enable_decimal_float),bid)
 625 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 626 else
 627 $(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 628 endif
 629         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 630 libgcc-objects += $(d64pbit-o)
 631 endif
 632
 633 ifneq ($(D128PBIT),)
 634 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 635 ifeq ($(enable_decimal_float),bid)
 636 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 637 else
 638 $(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 639 endif
 640         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 641 libgcc-objects += $(d128pbit-o)
 642 endif
 643
 644 endif
 645
 646 ifeq ($(LIBGCC_SYNC),yes)
 647 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
 648                             sync_fetch_and_$(op) \
 649                             sync_$(op)_and_fetch) \
 650                           sync_bool_compare_and_swap \
 651                           sync_val_compare_and_swap \
 652                           sync_lock_test_and_set
 653
 654 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
 655                             $(foreach suffix, 1 2 4 8 16, \
 656                               $(prefix)_$(suffix)))
 657
 658 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
 659 $(libgcc-sync-size-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
 660         $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
 661           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 662           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 663           -c $(gcc_srcdir)/config/sync.c $(vis_hide)
 664 libgcc-objects += $(libgcc-sync-size-funcs-o)
 665
 666 libgcc-sync-funcs := sync_synchronize
 667
 668 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
 669 $(libgcc-sync-funcs-o): %$(objext): $(gcc_srcdir)/config/sync.c
 670         $(gcc_compile) $(LIBGCC_SYNC_CFLAGS) \
 671           -DL$* \
 672           -c $(gcc_srcdir)/config/sync.c $(vis_hide)
 673 libgcc-objects += $(libgcc-sync-funcs-o)
 674
 675 ifeq ($(enable_shared),yes)
 676 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
 677                                $(libgcc-sync-size-funcs))
 678 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
 679         $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
 680           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 681           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 682           -c $(gcc_srcdir)/config/sync.c
 683 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
 684
 685 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
 686 $(libgcc-sync-funcs-s-o): %_s$(objext): $(gcc_srcdir)/config/sync.c
 687         $(gcc_s_compile) $(LIBGCC_SYNC_CFLAGS) \
 688           -DL$* \
 689           -c $(gcc_srcdir)/config/sync.c
 690 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
 691 endif
 692 endif
 693
 694 # Build fixed-point support.
 695 ifeq ($(fixed_point),yes)
 696
 697 # Generate permutations of function name and mode
 698 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
 699 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
 700 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
 701
 702 # Generate the rules for each arithmetic function
 703 iter-items := $(fixed-funcs)
 704 iter-labels := $(fixed-labels)
 705 iter-from := $(fixed-modes)
 706 iter-to := $(fixed-modes)
 707 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 708
 709 # Add arithmetic functions to list of objects to be built
 710 libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
 711 ifeq ($(enable_shared),yes)
 712 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
 713 endif
 714
 715 # Convert from or to fractional
 716 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
 717 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
 718 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
 719 fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
 720
 721 # Generate the make rules for each conversion function
 722 iter-items := $(fixed-conv-funcs)
 723 iter-labels := $(fixed-conv-labels)
 724 iter-from := $(fixed-conv-from)
 725 iter-to := $(fixed-conv-to)
 726 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 727
 728 # Add conversion functions to list of objects to be built
 729 libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
 730 ifeq ($(enable_shared),yes)
 731 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
 732 endif
 733
 734 endif
 735
 736 # Build LIB2ADD and LIB2ADD_ST.
 737 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 738 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 739 endif
 740
 741 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 742 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 743
 744 c_flags :=
 745 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 746 include $(iterator)
 747
 748 ifeq ($(enable_shared),yes)
 749 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 750 endif
 751
 752 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 753 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 754 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 755
 756 c_flags := -fexceptions
 757
 758 ifeq ($(enable_shared),yes)
 759
 760 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 761 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 762
 763 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 764 include $(iterator)
 765
 766 else
 767 # Not shared.  LIB2ADDEH are added to libgcc.a.
 768
 769 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 770
 771 iter-items := $(LIB2ADDEH)
 772 include $(iterator)
 773
 774 endif
 775
 776 # Build LIBUNWIND.
 777
 778 c_flags := -fexceptions
 779
 780 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 781
 782 ifeq ($(enable_shared),yes)
 783 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 784 endif
 785
 786 iter-items := $(LIBUNWIND)
 787 include $(iterator)
 788
 789 # Build libgcov components.
 790
 791 # Defined in libgcov.c, included only in gcov library
 792 LIBGCOV = _gcov _gcov_merge_add _gcov_merge_single _gcov_merge_delta \
 793     _gcov_fork _gcov_execl _gcov_execlp _gcov_execle \
 794     _gcov_execv _gcov_execvp _gcov_execve \
 795     _gcov_interval_profiler _gcov_pow2_profiler _gcov_one_value_profiler \
 796     _gcov_indirect_call_profiler _gcov_average_profiler _gcov_ior_profiler \
 797     _gcov_merge_ior
 798
 799 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 800
 801 $(libgcov-objects): %$(objext): $(srcdir)/libgcov.c
 802         $(gcc_compile) -DL$* -c $(srcdir)/libgcov.c
 803
 804
 805 # Static libraries.
 806 libgcc.a: $(libgcc-objects)
 807 libgcov.a: $(libgcov-objects)
 808 libunwind.a: $(libunwind-objects)
 809 libgcc_eh.a: $(libgcc-eh-objects)
 810
 811 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 812         -rm -f $@
 813
 814         objects="$(objects)";                                   \
 815         if test -z "$$objects"; then                            \
 816           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 817           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 818              -o eh_dummy$(objext);                              \
 819           objects=eh_dummy$(objext);                            \
 820         fi;                                                     \
 821         $(AR_CREATE_FOR_TARGET) $@ $$objects
 822
 823         $(RANLIB) $@
 824
 825 all: libgcc.a libgcov.a
 826
 827 ifneq ($(LIBUNWIND),)
 828 all: libunwind.a
 829 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 830 endif
 831
 832 ifeq ($(enable_shared),yes)
 833 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 834 ifneq ($(LIBUNWIND),)
 835 all: libunwind$(SHLIB_EXT)
 836 endif
 837 endif
 838
 839 ifeq ($(enable_shared),yes)
 840
 841 # Map-file generation.
 842 ifneq ($(SHLIB_MKMAP),)
 843 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 844         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 845           cat $(SHLIB_MAPFILES) \
 846             | sed -e '/^[       ]*#/d' \
 847                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 848             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 849         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 850         mv tmp-$@ $@
 851 libgcc_s$(SHLIB_EXT): libgcc.map
 852 mapfile = libgcc.map
 853 endif
 854
 855 libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
 856         sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
 857             -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
 858
 859 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 860         # @multilib_flags@ is still needed because this may use
 861         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 862         # @multilib_dir@ is not really necessary, but sometimes it has
 863         # more uses than just a directory name.
 864         $(mkinstalldirs) $(MULTIDIR)
 865         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 866                 @multilib_dir@,$(MULTIDIR),$(subst \
 867                 @shlib_objs@,$(objects),$(subst \
 868                 @shlib_base_name@,libgcc_s,$(subst \
 869                 @shlib_map_file@,$(mapfile),$(subst \
 870                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
 871                 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
 872
 873 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 874         # @multilib_flags@ is still needed because this may use
 875         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 876         # @multilib_dir@ is not really necessary, but sometimes it has
 877         # more uses than just a directory name.
 878         $(mkinstalldirs) $(MULTIDIR)
 879         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 880                 @multilib_dir@,$(MULTIDIR),$(subst \
 881                 @shlib_objs@,$(objects),$(subst \
 882                 @shlib_base_name@,libunwind,$(subst \
 883                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 884
 885 endif
 886
 887 # Build the standard GCC startfiles and endfiles.
 888 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 889 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 890
 891 ifeq ($(CUSTOM_CRTSTUFF),)
 892 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
 893         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 894           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
 895
 896 crtend$(objext): $(gcc_srcdir)/crtstuff.c
 897         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 898           -c $(gcc_srcdir)/crtstuff.c -DCRT_END
 899
 900 # These are versions of crtbegin and crtend for shared libraries.
 901 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
 902         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 903           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
 904
 905 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
 906         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 907           -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
 908
 909 # This is a version of crtbegin for -static links.
 910 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
 911         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 912           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
 913 endif
 914
 915 # Build extra startfiles in the libgcc directory.
 916 .PHONY: libgcc-extra-parts
 917 libgcc-extra-parts: $(EXTRA_PARTS)
 918 ifneq ($(GCC_EXTRA_PARTS),)
 919 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
 920         # If the gcc directory specifies which extra parts to
 921         # build for this target, and the libgcc configuration also
 922         # specifies, make sure they match.  This can be removed
 923         # when the gcc directory no longer holds libgcc configuration;
 924         # it is useful when migrating a target.
 925         @echo "Configuration mismatch!"
 926         @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
 927         @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
 928         exit 1
 929 endif
 930 endif
 931
 932         # Early copyback; see "all" above for the rationale.  The
 933         # early copy is necessary so that the gcc -B options find
 934         # the right startup files when linking shared libgcc.
 935         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 936         parts="$(EXTRA_PARTS)";                                 \
 937         for file in $$parts; do                                 \
 938           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 939           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 940           case $$file in                                        \
 941             *.a)                                                \
 942               $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;   \
 943           esac;                                                 \
 944         done
 945
 946 # Build extra startfiles in the gcc directory, for unconverted
 947 # targets.
 948 .PHONY: gcc-extra-parts
 949 gcc-extra-parts:
 950         # Recursively invoke make in the GCC directory to build any
 951         # startfiles (for now).  We must do this just once, passing
 952         # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
 953         # so that rules which cannot execute simultaneously are properly
 954         # serialized.  We indirect through T_TARGET in case any multilib
 955         # directories contain an equals sign, to prevent make from
 956         # interpreting any of the goals as variable assignments.
 957
 958         # We must use cd && make rather than make -C, or else the stage
 959         # number will be embedded in debug information.
 960
 961         T=`$(PWD_COMMAND)`/ \
 962         && cd $(gcc_objdir) \
 963         && $(MAKE) GCC_FOR_TARGET="$(CC)" \
 964           MULTILIB_CFLAGS="$(CFLAGS)" \
 965           T=$$T \
 966           T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
 967           T_TARGET
 968
 969         # Early copyback; see "all" above for the rationale.  The
 970         # early copy is necessary so that the gcc -B options find
 971         # the right startup files when linking shared libgcc.
 972         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 973         parts="$(GCC_EXTRA_PARTS)";                             \
 974         for file in $$parts; do                                 \
 975           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 976           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 977           case $$file in                                        \
 978             *.a)                                                \
 979               $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;   \
 980           esac;                                                 \
 981         done
 982
 983 all: $(extra-parts)
 984
 985 install-unwind_h:
 986         cp unwind.h $(gcc_objdir)/include/unwind.h
 987         chmod a+r $(gcc_objdir)/include/unwind.h
 988
 989 all: install-unwind_h
 990
 991 # Documentation targets (empty).
 992 .PHONY: info html dvi pdf install-info install-html install-pdf
 993
 994 info:
 995 install-info:
 996 html:
 997 install-html:
 998 dvi:
 999 pdf:
1000 install-pdf:
1001
1002 # Install rules.  These do not depend on "all", so that they can be invoked
1003 # recursively from it.
1004 install-libunwind:
1005         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1006
1007         # NOTE: Maybe this should go into $(inst_libdir), but this
1008         # is where the old mklibgcc.in put it.
1009         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1010         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1011         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1012
1013         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1014                 @shlib_base_name@,libunwind,$(subst \
1015                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1016
1017 install-shared:
1018         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1019
1020         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1021         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1022         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1023
1024         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1025                 @shlib_base_name@,libgcc_s,$(subst \
1026                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1027
1028 install-leaf: $(install-shared) $(install-libunwind)
1029         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1030
1031         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1032         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1033         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1034         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1035         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1036         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1037
1038         parts="$(INSTALL_PARTS)";                               \
1039         for file in $$parts; do                                 \
1040           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
1041           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
1042           case $$file in                                        \
1043             *.a)                                                \
1044               $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;   \
1045           esac;                                                 \
1046         done
1047
1048 install: install-leaf
1049         @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1050
1051 install-strip: install
1052
1053 .PHONY: install install-shared install-libunwind install-strip
1054
1055 # Don't export variables to the environment, in order to not confuse
1056 # configure.
1057 .NOEXPORT:
1058
1059 include $(srcdir)/empty.mk $(wildcard *.dep)
1060
1061 # TODO QUEUE:
1062 #   Garbage collect in gcc/:
1063 #     $(LIBGCC) settings in t-* are now unused
1064 #
1065 #   Remove use of $(gcc_srcdir).  Source files referenced using $(gcc_srcdir)
1066 #   should move into the libgcc directory.
1067