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
  36 SHELL = @SHELL@
  37
  38 enable_shared = @enable_shared@
  39 decimal_float = @decimal_float@
  40 enable_decimal_float = @enable_decimal_float@
  41
  42 host_noncanonical = @host_noncanonical@
  43
  44 # List of extra object files that should be compiled for this target machine.
  45 # The rules for compiling them should be in the t-* file for the machine.
  46 EXTRA_PARTS = @extra_parts@
  47
  48 # Multilib support variables.
  49 MULTISRCTOP =
  50 MULTIBUILDTOP =
  51 MULTIDIRS =
  52 MULTISUBDIR =
  53 MULTIDO = true
  54 MULTICLEAN = true
  55
  56 INSTALL = @INSTALL@
  57 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  58 INSTALL_DATA = @INSTALL_DATA@
  59 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  60
  61 objext = .o
  62
  63 AR = @AR@
  64 AR_FLAGS = rc
  65
  66 CC = @CC@
  67 CFLAGS = @CFLAGS@
  68 RANLIB = @RANLIB@
  69 LN_S = @LN_S@
  70
  71 PWD_COMMAND = $${PWDCMD-pwd}
  72
  73 # Flags to pass to a recursive make.
  74 FLAGS_TO_PASS = \
  75         "AR=$(AR)" \
  76         "AR_FLAGS=$(AR_FLAGS)" \
  77         "CC=$(CC)" \
  78         "CFLAGS=$(CFLAGS)" \
  79         "DESTDIR=$(DESTDIR)" \
  80         "EXTRA_OFILES=$(EXTRA_OFILES)" \
  81         "HDEFINES=$(HDEFINES)" \
  82         "INSTALL=$(INSTALL)" \
  83         "INSTALL_DATA=$(INSTALL_DATA)" \
  84         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
  85         "LDFLAGS=$(LDFLAGS)" \
  86         "LOADLIBES=$(LOADLIBES)" \
  87         "RANLIB=$(RANLIB)" \
  88         "SHELL=$(SHELL)" \
  89         "prefix=$(prefix)" \
  90         "exec_prefix=$(exec_prefix)" \
  91         "libdir=$(libdir)" \
  92         "libsubdir=$(libsubdir)" \
  93         "tooldir=$(tooldir)"
  94
  95 # Dependencies for "all" are set later in the file.
  96 all: all-multi
  97         # Now that we have built all the objects, we need to copy
  98         # them back to the GCC directory.  Too many things (other
  99         # in-tree libraries, and DejaGNU) know about the layout
 100         # of the build tree, for now.
 101         $(MAKE) install DESTDIR=$(gcc_objdir) \
 102           slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
 103
 104 .PHONY: all-multi
 105 all-multi:
 106         # If this is the top-level multilib, build all the other
 107         # multilibs.
 108         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 109
 110 .PHONY: check installcheck
 111 check:
 112 installcheck:
 113
 114 .PHONY: all clean
 115
 116 clean:
 117         -rm -f config.h stamp-h stmp-ldirs libgcc.map
 118         -rm -f *$(objext)
 119         -rm -f *.dep
 120         -rm -f *.a
 121         -rm -f libunwind$(SHLIB_EXT)
 122         -rm -f libgcc_s*
 123         @$(MULTICLEAN) multi-clean DO=clean
 124 distclean: clean
 125         @$(MULTICLEAN) multi-clean DO=distclean
 126         -rm -f *~ Makefile config.cache config.status multilib.out
 127         -rm -f config.log
 128 maintainer-clean realclean: distclean
 129
 130 Makefile: $(srcdir)/Makefile.in config.status
 131         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 132
 133 # Depending on Makefile makes sure that config.status has been re-run
 134 # if needed.  This prevents problems with parallel builds.
 135 config.h: stamp-h ; @true
 136 stamp-h: $(srcdir)/config.in config.status Makefile
 137         CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
 138
 139 config.status: $(srcdir)/configure
 140         $(SHELL) ./config.status --recheck
 141
 142 include $(gcc_objdir)/libgcc.mvars
 143
 144 # Flags to pass to recursive makes.
 145
 146 AR_FOR_TARGET = $(AR)
 147 AR_FLAGS_FOR_TARGET =
 148 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
 149 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
 150 AWK = @AWK@
 151 GCC_FOR_TARGET = $(CC)
 152 LIPO = @LIPO@
 153 LIPO_FOR_TARGET = $(LIPO)
 154 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 155 NM = @NM@
 156 NM_FOR_TARGET = $(NM)
 157 RANLIB_FOR_TARGET = $(RANLIB)
 158 STRIP = @STRIP@
 159 STRIP_FOR_TARGET = $(STRIP)
 160
 161 # Directory in which the compiler finds libraries etc.
 162 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 163 # Used to install the shared libgcc.
 164 slibdir = @slibdir@
 165
 166 export AR_FOR_TARGET
 167 export AR_CREATE_FOR_TARGET
 168 export AR_FLAGS_FOR_TARGET
 169 export AR_EXTRACT_FOR_TARGET
 170 export AWK
 171 export DESTDIR
 172 export GCC_FOR_TARGET
 173 export INCLUDES
 174 export INSTALL_DATA
 175 export LIB1ASMSRC
 176 export LIBGCC2_CFLAGS
 177 export LIPO_FOR_TARGET
 178 export MACHMODE_H
 179 export NM_FOR_TARGET
 180 export STRIP_FOR_TARGET
 181 export RANLIB_FOR_TARGET
 182 export libsubdir
 183 export slibdir
 184
 185 version := $(shell $(CC) -dumpversion)
 186
 187 ifeq ($(decimal_float),yes)
 188 ifeq ($(enable_decimal_float),bid)
 189 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
 190 else
 191 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
 192             -I$(srcdir)/../libdecnumber \
 193             -I$(MULTIBUILDTOP)../../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]$$/ { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 268 mv -f $@T $@
 269 endef
 270 else
 271 gen-hide-list = echo > $@
 272 endif
 273
 274 else
 275 # Not enable_shared.
 276 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 277 vis_hide =
 278 gen-hide-list = echo > \$@
 279 endif
 280
 281 ifneq ($(EXTRA_PARTS),)
 282   extra-parts = libgcc-extra-parts
 283   INSTALL_PARTS = $(EXTRA_PARTS)
 284 else
 285 ifneq ($(GCC_EXTRA_PARTS),)
 286   extra-parts = gcc-extra-parts
 287   INSTALL_PARTS = $(GCC_EXTRA_PARTS)
 288 endif
 289 endif
 290
 291 # Library members defined in libgcc2.c.
 292 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 293             _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
 294             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 295             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 296             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 297             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 298             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 299             _divtc3 _bswapsi2 _bswapdi2
 300
 301 # The floating-point conversion routines that involve a single-word integer.
 302 # XX stands for the integer mode.
 303 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 304
 305 # Likewise double-word routines.
 306 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 307                $(patsubst %,_fixuns%XX,sf df xf tf) \
 308                $(patsubst %,_floatXX%,sf df xf tf) \
 309                $(patsubst %,_floatunXX%,sf df xf tf)
 310
 311 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 312   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 313   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 314 endif
 315
 316 # These might cause a divide overflow trap and so are compiled with
 317 # unwinder info.
 318 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 319
 320 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 321 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 322 # in LIB2FUNCS_EXCLUDE.
 323 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 324 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 325                        $(LIB2_DIVMOD_FUNCS))
 326
 327 # Build "libgcc1" (assembly) components.
 328 ifeq ($(enable_shared),yes)
 329
 330 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 331 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
 332         $(gcc_compile) -DL$* -xassembler-with-cpp \
 333           -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
 334 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
 335         $(gen-hide-list)
 336 libgcc-objects += $(lib1asmfuncs-o)
 337
 338 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
 339 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 340         $(gcc_s_compile) -DL$* -xassembler-with-cpp \
 341           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 342 libgcc-s-objects += $(lib1asmfuncs-s-o)
 343
 344 else
 345
 346 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 347 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 348         $(gcc_compile) -DL$* -xassembler-with-cpp \
 349           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 350 libgcc-objects += $(lib1asmfuncs-o)
 351
 352 endif
 353
 354 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 355 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 356 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 357         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 358           $(vis_hide)
 359 libgcc-objects += $(lib2funcs-o)
 360
 361 ifeq ($(enable_shared),yes)
 362 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 363 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 364         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
 365 libgcc-s-objects += $(lib2funcs-s-o)
 366 endif
 367
 368 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 369 # Build libgcc2.c for each conversion function, with a specific
 370 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 371 # functions are built with a wordsize of 4; the TImode functions are
 372 # built with the same labels, but a wordsize of 8.
 373
 374 sifuncs = $(subst XX,si,$(swfloatfuncs))
 375 difuncs = $(subst XX,di,$(dwfloatfuncs))
 376 tifuncs = $(subst XX,ti,$(dwfloatfuncs))
 377
 378 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 379 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 380 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 381
 382 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 383
 384 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 385 ifeq ($(enable_shared),yes)
 386 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 387 endif
 388 endif
 389
 390 # Build LIB2_DIVMOD_FUNCS.
 391 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 392 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 393         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 394           -fexceptions -fnon-call-exceptions $(vis_hide)
 395 libgcc-objects += $(lib2-divmod-o)
 396
 397 ifeq ($(enable_shared),yes)
 398 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 399 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 400         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 401           -fexceptions -fnon-call-exceptions
 402 libgcc-s-objects += $(lib2-divmod-s-o)
 403 endif
 404
 405 # $(FPBIT) et al. are pathnames relative to the GCC build
 406 # directory; the supporting files are made by the GCC
 407 # Makefile.
 408 # FIXME: Soon we will be able to move this logic into this directory.
 409
 410 ifneq ($(fpbit-in-libgcc),yes)
 411 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
 412 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
 413 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
 414 endif
 415
 416 ifeq ($(TPBIT),)
 417 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 418 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 419 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 420 endif
 421
 422 # Build FPBIT.
 423 ifneq ($(FPBIT),)
 424 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 425 $(fpbit-o): %$(objext): $(FPBIT)
 426         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
 427 libgcc-objects += $(fpbit-o)
 428
 429 ifeq ($(enable_shared),yes)
 430 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 431 $(fpbit-s-o): %_s$(objext): $(FPBIT)
 432         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
 433 libgcc-s-objects += $(fpbit-s-o)
 434 endif
 435 endif
 436
 437 # Build DPBIT.
 438 ifneq ($(DPBIT),)
 439 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 440 $(dpbit-o): %$(objext): $(DPBIT)
 441         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
 442 libgcc-objects += $(dpbit-o)
 443
 444 ifeq ($(enable_shared),yes)
 445 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 446 $(dpbit-s-o): %_s$(objext): $(DPBIT)
 447         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
 448 libgcc-s-objects += $(dpbit-s-o)
 449 endif
 450 endif
 451
 452 # Build TPBIT.
 453 ifneq ($(TPBIT),)
 454 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 455 $(tpbit-o): %$(objext): $(TPBIT)
 456         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
 457 libgcc-objects += $(tpbit-o)
 458
 459 ifeq ($(enable_shared),yes)
 460 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 461 $(tpbit-s-o): %_s$(objext): $(TPBIT)
 462         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
 463 libgcc-s-objects += $(tpbit-s-o)
 464 endif
 465 endif
 466
 467 # Build decimal floating point support.
 468 ifeq ($(decimal_float),yes)
 469
 470 # If $DFP_ENABLE is set, then we want all data type sizes.
 471 ifneq ($(DFP_ENABLE),)
 472 D32PBIT = 1
 473 D64PBIT = 1
 474 D128PBIT = 1
 475 endif
 476
 477 dfp-filenames =
 478 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 479 ifeq ($(enable_decimal_float),bid)
 480 dfp-filenames += decimal_globals decimal_data binarydecimal \
 481                  _isinfd32 _isinfd64 _isinfd128 bid64_noncomp bid128_noncomp \
 482                  bid128_fma bid_round bid_from_int convert_data \
 483                  bid64_add bid128_add bid64_div bid128_div \
 484                  bid64_mul bid128_mul bid64_compare bid128_compare \
 485                  bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
 486                  bid64_to_int32 bid64_to_int64 \
 487                  bid64_to_uint32 bid64_to_uint64 \
 488                  bid128_to_int32 bid128_to_int64 \
 489                  bid128_to_uint32 bid128_to_uint64
 490 else
 491 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
 492 endif
 493 endif
 494
 495 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
 496 ifeq ($(enable_decimal_float),bid)
 497 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
 498 else
 499 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 500 endif
 501         $(gcc_compile) -c $<
 502 libgcc-objects += $(dfp-objects)
 503
 504 decbits-filenames =
 505 ifneq ($(enable_decimal_float),bid)
 506 ifneq ($(D32PBIT),)
 507 decbits-filenames += decimal32
 508 endif
 509
 510 ifneq ($(D64PBIT),)
 511 decbits-filenames += decimal64
 512 endif
 513
 514 ifneq ($(D128PBIT),)
 515 decbits-filenames += decimal128
 516 endif
 517 endif
 518
 519 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
 520 ifeq ($(enable_decimal_float),bid)
 521 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
 522 else
 523 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
 524 endif
 525         $(gcc_compile) -c $<
 526 libgcc-objects += $(decbits-objects)
 527
 528 # Next build individual support functions.
 529 ifeq ($(enable_decimal_float),bid)
 530 ifneq ($(D32PBIT),)
 531 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
 532 endif
 533
 534 ifneq ($(D64PBIT),)
 535 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
 536 endif
 537
 538 ifneq ($(D128PBIT),)
 539 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
 540 endif
 541 endif
 542
 543 ifneq ($(D32PBIT),)
 544 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 545 ifeq ($(enable_decimal_float),bid)
 546 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 547 else
 548 $(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 549 endif
 550         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 551 libgcc-objects += $(d32pbit-o)
 552 endif
 553
 554 ifneq ($(D64PBIT),)
 555 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 556 ifeq ($(enable_decimal_float),bid)
 557 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 558 else
 559 $(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 560 endif
 561         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 562 libgcc-objects += $(d64pbit-o)
 563 endif
 564
 565 ifneq ($(D128PBIT),)
 566 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 567 ifeq ($(enable_decimal_float),bid)
 568 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 569 else
 570 $(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 571 endif
 572         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 573 libgcc-objects += $(d128pbit-o)
 574 endif
 575
 576 endif
 577
 578 # Build LIB2ADD and LIB2ADD_ST.
 579 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 580 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 581 endif
 582
 583 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 584 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 585
 586 c_flags :=
 587 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 588 include $(iterator)
 589
 590 ifeq ($(enable_shared),yes)
 591 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 592 endif
 593
 594 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 595 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 596 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 597
 598 c_flags := -fexceptions
 599
 600 ifeq ($(enable_shared),yes)
 601
 602 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 603 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 604
 605 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 606 include $(iterator)
 607
 608 else
 609 # Not shared.  LIB2ADDEH are added to libgcc.a.
 610
 611 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 612
 613 iter-items := $(LIB2ADDEH)
 614 include $(iterator)
 615
 616 endif
 617
 618 # Build LIBUNWIND.
 619
 620 c_flags := -fexceptions
 621
 622 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 623
 624 ifeq ($(enable_shared),yes)
 625 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 626 endif
 627
 628 iter-items := $(LIBUNWIND)
 629 include $(iterator)
 630
 631 # Build libgcov components.
 632 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 633 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
 634         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
 635
 636
 637 # Static libraries.
 638 libgcc.a: $(libgcc-objects)
 639 libgcov.a: $(libgcov-objects)
 640 libunwind.a: $(libunwind-objects)
 641 libgcc_eh.a: $(libgcc-eh-objects)
 642
 643 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 644         -rm -f $@
 645
 646         objects="$(objects)";                                   \
 647         if test -z "$$objects"; then                            \
 648           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 649           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 650              -o eh_dummy$(objext);                              \
 651           objects=eh_dummy$(objext);                            \
 652         fi;                                                     \
 653         $(AR_CREATE_FOR_TARGET) $@ $$objects
 654
 655         $(RANLIB) $@
 656
 657 all: libgcc.a libgcov.a
 658
 659 ifneq ($(LIBUNWIND),)
 660 all: libunwind.a
 661 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 662 endif
 663
 664 ifeq ($(enable_shared),yes)
 665 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 666 ifneq ($(LIBUNWIND),)
 667 all: libunwind$(SHLIB_EXT)
 668 endif
 669 endif
 670
 671 ifeq ($(enable_shared),yes)
 672
 673 # Map-file generation.
 674 ifneq ($(SHLIB_MKMAP),)
 675 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 676         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 677           cat $(SHLIB_MAPFILES) \
 678             | sed -e '/^[       ]*#/d' \
 679                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 680             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 681         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 682         mv tmp-$@ $@
 683 libgcc_s$(SHLIB_EXT): libgcc.map
 684 mapfile = libgcc.map
 685 endif
 686
 687 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 688         # @multilib_flags@ is still needed because this may use
 689         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 690         # @multilib_dir@ is not really necessary, but sometimes it has
 691         # more uses than just a directory name.
 692         $(mkinstalldirs) $(MULTIDIR)
 693         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 694                 @multilib_dir@,$(MULTIDIR),$(subst \
 695                 @shlib_objs@,$(objects),$(subst \
 696                 @shlib_base_name@,libgcc_s,$(subst \
 697                 @shlib_map_file@,$(mapfile),$(subst \
 698                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_LINK)))))))
 699
 700 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 701         # @multilib_flags@ is still needed because this may use
 702         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 703         # @multilib_dir@ is not really necessary, but sometimes it has
 704         # more uses than just a directory name.
 705         $(mkinstalldirs) $(MULTIDIR)
 706         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 707                 @multilib_dir@,$(MULTIDIR),$(subst \
 708                 @shlib_objs@,$(objects),$(subst \
 709                 @shlib_base_name@,libunwind,$(subst \
 710                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 711
 712 endif
 713
 714 # Build the standard GCC startfiles and endfiles.
 715 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 716 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 717
 718 ifeq ($(CUSTOM_CRTSTUFF),)
 719 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
 720         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 721           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
 722
 723 crtend$(objext): $(gcc_srcdir)/crtstuff.c
 724         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 725           -c $(gcc_srcdir)/crtstuff.c -DCRT_END
 726
 727 # These are versions of crtbegin and crtend for shared libraries.
 728 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
 729         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 730           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
 731
 732 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
 733         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 734           -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
 735
 736 # This is a version of crtbegin for -static links.
 737 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
 738         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 739           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
 740 endif
 741
 742 # Build extra startfiles in the libgcc directory.
 743 .PHONY: libgcc-extra-parts
 744 libgcc-extra-parts: $(EXTRA_PARTS)
 745 ifneq ($(GCC_EXTRA_PARTS),)
 746 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
 747         # If the gcc directory specifies which extra parts to
 748         # build for this target, and the libgcc configuration also
 749         # specifies, make sure they match.  This can be removed
 750         # when the gcc directory no longer holds libgcc configuration;
 751         # it is useful when migrating a target.
 752         @echo "Configuration mismatch!"
 753         @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
 754         @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
 755         exit 1
 756 endif
 757 endif
 758
 759         # Early copyback; see "all" above for the rationale.  The
 760         # early copy is necessary so that the gcc -B options find
 761         # the right startup files when linking shared libgcc.
 762         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 763         parts="$(EXTRA_PARTS)";                                 \
 764         for file in $$parts; do                                 \
 765           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 766           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 767         done
 768
 769 # Build extra startfiles in the gcc directory, for unconverted
 770 # targets.
 771 .PHONY: gcc-extra-parts
 772 gcc-extra-parts:
 773         # Recursively invoke make in the GCC directory to build any
 774         # startfiles (for now).  We must do this just once, passing
 775         # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
 776         # so that rules which cannot execute simultaneously are properly
 777         # serialized.  We indirect through T_TARGET in case any multilib
 778         # directories contain an equals sign, to prevent make from
 779         # interpreting any of the goals as variable assignments.
 780
 781         # We must use cd && make rather than make -C, or else the stage
 782         # number will be embedded in debug information.
 783
 784         T=`$(PWD_COMMAND)`/ \
 785         && cd $(gcc_objdir) \
 786         && $(MAKE) GCC_FOR_TARGET="$(CC)" \
 787           MULTILIB_CFLAGS="$(CFLAGS)" \
 788           T=$$T \
 789           T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
 790           T_TARGET
 791
 792         # Early copyback; see "all" above for the rationale.  The
 793         # early copy is necessary so that the gcc -B options find
 794         # the right startup files when linking shared libgcc.
 795         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 796         parts="$(GCC_EXTRA_PARTS)";                             \
 797         for file in $$parts; do                                 \
 798           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 799           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 800         done
 801
 802 all: $(extra-parts)
 803
 804 # Documentation targets (empty).
 805 .PHONY: info html dvi pdf install-info install-html install-pdf
 806
 807 info:
 808 install-info:
 809 html:
 810 install-html:
 811 dvi:
 812 pdf:
 813 install-pdf:
 814
 815 # Install rules.  These do not depend on "all", so that they can be invoked
 816 # recursively from it.
 817 install-libunwind:
 818         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
 819
 820         # NOTE: Maybe this should go into $(inst_libdir), but this
 821         # is where the old mklibgcc.in put it.
 822         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
 823         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
 824         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
 825
 826         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 827                 @shlib_base_name@,libunwind,$(subst \
 828                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
 829
 830 install-shared:
 831         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 832
 833         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
 834         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 835         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 836
 837         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 838                 @shlib_base_name@,libgcc_s,$(subst \
 839                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
 840
 841 install: $(install-shared) $(install-libunwind)
 842         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 843
 844         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
 845         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
 846         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
 847         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
 848         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
 849         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
 850
 851         parts="$(INSTALL_PARTS)";                               \
 852         for file in $$parts; do                                 \
 853           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
 854           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
 855         done
 856
 857         @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
 858
 859 .PHONY: install install-shared install-libunwind
 860
 861 # Don't export variables to the environment, in order to not confuse
 862 # configure.
 863 .NOEXPORT:
 864
 865 include $(srcdir)/empty.mk $(wildcard *.dep)
 866
 867 # TODO QUEUE:
 868 #   Garbage collect in gcc/:
 869 #     $(LIBGCC) settings in t-* are now unused
 870 #
 871 #   Remove use of $(gcc_srcdir).  Source files referenced using $(gcc_srcdir)
 872 #   should move into the libgcc directory.
 873