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
 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             -I$(MULTIBUILDTOP)../../libdecnumber
 196 endif
 197 else
 198 DECNUMINC =
 199 endif
 200
 201 # Specify the directories to be searched for header files.
 202 # Both . and srcdir are used, in that order,
 203 # so that *config.h will be found in the compilation
 204 # subdirectory rather than in the source directory.
 205 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
 206 # currently being compiled, in both source trees, to be examined as well.
 207 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
 208            -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
 209            -I$(srcdir)/../include $(DECNUMINC)
 210
 211 # Forcibly remove any profiling-related flags.  There is no point
 212 # in supporting profiled bootstrap in this library.
 213 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
 214
 215 # CFLAGS first is not perfect; normally setting CFLAGS should override any
 216 # options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
 217 # will usually contain -g, so for the moment CFLAGS goes first.  We must
 218 # include CFLAGS - that's where multilib options live.
 219 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
 220                   $(INCLUDES) @set_have_cc_tls@
 221
 222 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 223 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 224
 225 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 226 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 227 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 228
 229 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
 230 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
 231 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
 232 gcc_s_compile = $(gcc_compile) -DSHARED
 233
 234 objects = $(filter %$(objext),$^)
 235
 236 # Collect any host-specific information from Makefile fragments.
 237 tmake_file = @tmake_file@
 238 include $(srcdir)/empty.mk $(tmake_file)
 239
 240 # Only handle shared libraries if both:
 241 #   - the user requested them
 242 #   - we know how to build them
 243 ifeq ($(SHLIB_LINK),)
 244   enable_shared := no
 245 endif
 246
 247 ifeq ($(enable_shared),yes)
 248   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 249
 250   install-shared = install-shared
 251
 252   ifneq ($(LIBUNWIND),)
 253     install-libunwind = install-libunwind
 254   endif
 255
 256 # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
 257 # the command line, and a #define to prevent libgcc2.h etc from
 258 # overriding that with #pragmas.
 259 vis_hide = @vis_hide@
 260
 261 ifneq (,$(vis_hide))
 262
 263 # If we have -fvisibility=hidden, then we need to generate hide
 264 # lists for object files implemented in assembly.
 265 ASM_HIDDEN_OP = @asm_hidden_op@
 266
 267 define gen-hide-list
 268 $(NM) -pg $< | \
 269   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t$(ASM_HIDDEN_OP)", $$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 += $(d128pbit-o)
 577 endif
 578
 579 endif
 580
 581 # Build fixed-point support.
 582 ifeq ($(fixed_point),yes)
 583
 584 # Generate permutations of function name and mode
 585 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
 586 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
 587 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
 588
 589 # Generate the rules for each arithmetic function
 590 iter-items := $(fixed-funcs)
 591 iter-labels := $(fixed-labels)
 592 iter-from := $(fixed-modes)
 593 iter-to := $(fixed-modes)
 594 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 595
 596 # Add arithmetic functions to list of objects to be built
 597 libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
 598 ifeq ($(enable_shared),yes)
 599 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
 600 endif
 601
 602 # Convert from or to fractional
 603 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
 604 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
 605 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
 606 fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
 607
 608 # Generate the make rules for each conversion function
 609 iter-items := $(fixed-conv-funcs)
 610 iter-labels := $(fixed-conv-labels)
 611 iter-from := $(fixed-conv-from)
 612 iter-to := $(fixed-conv-to)
 613 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 614
 615 # Add conversion functions to list of objects to be built
 616 libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
 617 ifeq ($(enable_shared),yes)
 618 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
 619 endif
 620
 621 endif
 622
 623 # Build LIB2ADD and LIB2ADD_ST.
 624 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 625 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 626 endif
 627
 628 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 629 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 630
 631 c_flags :=
 632 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 633 include $(iterator)
 634
 635 ifeq ($(enable_shared),yes)
 636 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 637 endif
 638
 639 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 640 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 641 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 642
 643 c_flags := -fexceptions
 644
 645 ifeq ($(enable_shared),yes)
 646
 647 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 648 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 649
 650 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 651 include $(iterator)
 652
 653 else
 654 # Not shared.  LIB2ADDEH are added to libgcc.a.
 655
 656 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 657
 658 iter-items := $(LIB2ADDEH)
 659 include $(iterator)
 660
 661 endif
 662
 663 # Build LIBUNWIND.
 664
 665 c_flags := -fexceptions
 666
 667 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 668
 669 ifeq ($(enable_shared),yes)
 670 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 671 endif
 672
 673 iter-items := $(LIBUNWIND)
 674 include $(iterator)
 675
 676 # Build libgcov components.
 677 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 678 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
 679         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
 680
 681
 682 # Static libraries.
 683 libgcc.a: $(libgcc-objects)
 684 libgcov.a: $(libgcov-objects)
 685 libunwind.a: $(libunwind-objects)
 686 libgcc_eh.a: $(libgcc-eh-objects)
 687
 688 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 689         -rm -f $@
 690
 691         objects="$(objects)";                                   \
 692         if test -z "$$objects"; then                            \
 693           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 694           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 695              -o eh_dummy$(objext);                              \
 696           objects=eh_dummy$(objext);                            \
 697         fi;                                                     \
 698         $(AR_CREATE_FOR_TARGET) $@ $$objects
 699
 700         $(RANLIB) $@
 701
 702 all: libgcc.a libgcov.a
 703
 704 ifneq ($(LIBUNWIND),)
 705 all: libunwind.a
 706 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 707 endif
 708
 709 ifeq ($(enable_shared),yes)
 710 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 711 ifneq ($(LIBUNWIND),)
 712 all: libunwind$(SHLIB_EXT)
 713 endif
 714 endif
 715
 716 ifeq ($(enable_shared),yes)
 717
 718 # Map-file generation.
 719 ifneq ($(SHLIB_MKMAP),)
 720 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 721         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 722           cat $(SHLIB_MAPFILES) \
 723             | sed -e '/^[       ]*#/d' \
 724                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 725             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 726         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 727         mv tmp-$@ $@
 728 libgcc_s$(SHLIB_EXT): libgcc.map
 729 mapfile = libgcc.map
 730 endif
 731
 732 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 733         # @multilib_flags@ is still needed because this may use
 734         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 735         # @multilib_dir@ is not really necessary, but sometimes it has
 736         # more uses than just a directory name.
 737         $(mkinstalldirs) $(MULTIDIR)
 738         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 739                 @multilib_dir@,$(MULTIDIR),$(subst \
 740                 @shlib_objs@,$(objects),$(subst \
 741                 @shlib_base_name@,libgcc_s,$(subst \
 742                 @shlib_map_file@,$(mapfile),$(subst \
 743                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
 744                 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
 745
 746 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 747         # @multilib_flags@ is still needed because this may use
 748         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 749         # @multilib_dir@ is not really necessary, but sometimes it has
 750         # more uses than just a directory name.
 751         $(mkinstalldirs) $(MULTIDIR)
 752         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 753                 @multilib_dir@,$(MULTIDIR),$(subst \
 754                 @shlib_objs@,$(objects),$(subst \
 755                 @shlib_base_name@,libunwind,$(subst \
 756                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 757
 758 endif
 759
 760 # Build the standard GCC startfiles and endfiles.
 761 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 762 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 763
 764 ifeq ($(CUSTOM_CRTSTUFF),)
 765 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
 766         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 767           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
 768
 769 crtend$(objext): $(gcc_srcdir)/crtstuff.c
 770         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 771           -c $(gcc_srcdir)/crtstuff.c -DCRT_END
 772
 773 # These are versions of crtbegin and crtend for shared libraries.
 774 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
 775         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 776           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
 777
 778 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
 779         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 780           -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
 781
 782 # This is a version of crtbegin for -static links.
 783 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
 784         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 785           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
 786 endif
 787
 788 # Build extra startfiles in the libgcc directory.
 789 .PHONY: libgcc-extra-parts
 790 libgcc-extra-parts: $(EXTRA_PARTS)
 791 ifneq ($(GCC_EXTRA_PARTS),)
 792 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
 793         # If the gcc directory specifies which extra parts to
 794         # build for this target, and the libgcc configuration also
 795         # specifies, make sure they match.  This can be removed
 796         # when the gcc directory no longer holds libgcc configuration;
 797         # it is useful when migrating a target.
 798         @echo "Configuration mismatch!"
 799         @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
 800         @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
 801         exit 1
 802 endif
 803 endif
 804
 805         # Early copyback; see "all" above for the rationale.  The
 806         # early copy is necessary so that the gcc -B options find
 807         # the right startup files when linking shared libgcc.
 808         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 809         parts="$(EXTRA_PARTS)";                                 \
 810         for file in $$parts; do                                 \
 811           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 812           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 813         done
 814
 815 # Build extra startfiles in the gcc directory, for unconverted
 816 # targets.
 817 .PHONY: gcc-extra-parts
 818 gcc-extra-parts:
 819         # Recursively invoke make in the GCC directory to build any
 820         # startfiles (for now).  We must do this just once, passing
 821         # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
 822         # so that rules which cannot execute simultaneously are properly
 823         # serialized.  We indirect through T_TARGET in case any multilib
 824         # directories contain an equals sign, to prevent make from
 825         # interpreting any of the goals as variable assignments.
 826
 827         # We must use cd && make rather than make -C, or else the stage
 828         # number will be embedded in debug information.
 829
 830         T=`$(PWD_COMMAND)`/ \
 831         && cd $(gcc_objdir) \
 832         && $(MAKE) GCC_FOR_TARGET="$(CC)" \
 833           MULTILIB_CFLAGS="$(CFLAGS)" \
 834           T=$$T \
 835           T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
 836           T_TARGET
 837
 838         # Early copyback; see "all" above for the rationale.  The
 839         # early copy is necessary so that the gcc -B options find
 840         # the right startup files when linking shared libgcc.
 841         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 842         parts="$(GCC_EXTRA_PARTS)";                             \
 843         for file in $$parts; do                                 \
 844           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 845           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 846         done
 847
 848 all: $(extra-parts)
 849
 850 # Documentation targets (empty).
 851 .PHONY: info html dvi pdf install-info install-html install-pdf
 852
 853 info:
 854 install-info:
 855 html:
 856 install-html:
 857 dvi:
 858 pdf:
 859 install-pdf:
 860
 861 # Install rules.  These do not depend on "all", so that they can be invoked
 862 # recursively from it.
 863 install-libunwind:
 864         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
 865
 866         # NOTE: Maybe this should go into $(inst_libdir), but this
 867         # is where the old mklibgcc.in put it.
 868         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
 869         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
 870         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
 871
 872         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 873                 @shlib_base_name@,libunwind,$(subst \
 874                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
 875
 876 install-shared:
 877         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 878
 879         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
 880         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 881         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 882
 883         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 884                 @shlib_base_name@,libgcc_s,$(subst \
 885                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
 886
 887 install-leaf: $(install-shared) $(install-libunwind)
 888         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 889
 890         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
 891         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
 892         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
 893         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
 894         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
 895         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
 896
 897         parts="$(INSTALL_PARTS)";                               \
 898         for file in $$parts; do                                 \
 899           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
 900           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
 901         done
 902
 903 install: install-leaf
 904         @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
 905
 906 .PHONY: install install-shared install-libunwind
 907
 908 # Don't export variables to the environment, in order to not confuse
 909 # configure.
 910 .NOEXPORT:
 911
 912 include $(srcdir)/empty.mk $(wildcard *.dep)
 913
 914 # TODO QUEUE:
 915 #   Garbage collect in gcc/:
 916 #     $(LIBGCC) settings in t-* are now unused
 917 #
 918 #   Remove use of $(gcc_srcdir).  Source files referenced using $(gcc_srcdir)
 919 #   should move into the libgcc directory.
 920