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_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
  26
  27 srcdir = @srcdir@
  28
  29 prefix = @prefix@
  30
  31 exec_prefix = @exec_prefix@
  32 libdir = @libdir@
  33 shlib_slibdir = @slibdir@
  34
  35 SHELL = @SHELL@
  36
  37 cpu_type = @cpu_type@
  38 enable_shared = @enable_shared@
  39 double_type_size = @double_type_size@
  40 long_double_type_size = @long_double_type_size@
  41 decimal_float = @decimal_float@
  42 enable_decimal_float = @enable_decimal_float@
  43 fixed_point = @fixed_point@
  44
  45 host_noncanonical = @host_noncanonical@
  46 target_noncanonical = @target_noncanonical@
  47
  48 # List of extra object files that should be compiled for this target machine.
  49 # The rules for compiling them should be in the t-* file for the machine.
  50 EXTRA_PARTS = @extra_parts@
  51
  52 extra-parts = libgcc-extra-parts
  53
  54 # Multilib support variables.
  55 MULTISRCTOP =
  56 MULTIBUILDTOP =
  57 MULTIDIRS =
  58 MULTISUBDIR =
  59 MULTIDO = true
  60 MULTICLEAN = true
  61
  62 INSTALL = @INSTALL@
  63 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  64 INSTALL_DATA = @INSTALL_DATA@
  65 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  66 INSTALL_PARTS = $(EXTRA_PARTS)
  67
  68 objext = .o
  69
  70 AR = @AR@
  71 AR_FLAGS = rc
  72
  73 CC = @CC@
  74 CFLAGS = @CFLAGS@
  75 RANLIB = @RANLIB@
  76 LN_S = @LN_S@
  77
  78 PWD_COMMAND = $${PWDCMD-pwd}
  79
  80 # Flags to pass to a recursive make.
  81 FLAGS_TO_PASS = \
  82         "AR=$(AR)" \
  83         "AR_FLAGS=$(AR_FLAGS)" \
  84         "CC=$(CC)" \
  85         "CFLAGS=$(CFLAGS)" \
  86         "DESTDIR=$(DESTDIR)" \
  87         "EXTRA_OFILES=$(EXTRA_OFILES)" \
  88         "HDEFINES=$(HDEFINES)" \
  89         "INSTALL=$(INSTALL)" \
  90         "INSTALL_DATA=$(INSTALL_DATA)" \
  91         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
  92         "LDFLAGS=$(LDFLAGS)" \
  93         "LOADLIBES=$(LOADLIBES)" \
  94         "RANLIB=$(RANLIB)" \
  95         "SHELL=$(SHELL)" \
  96         "prefix=$(prefix)" \
  97         "exec_prefix=$(exec_prefix)" \
  98         "libdir=$(libdir)" \
  99         "libsubdir=$(libsubdir)" \
 100         "tooldir=$(tooldir)"
 101
 102 # Dependencies for "all" are set later in the file.
 103 all: all-multi
 104         # Now that we have built all the objects, we need to copy
 105         # them back to the GCC directory.  Too many things (other
 106         # in-tree libraries, and DejaGNU) know about the layout
 107         # of the build tree, for now.
 108         $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
 109           slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
 110
 111 .PHONY: all-multi
 112 all-multi:
 113         # If this is the top-level multilib, build all the other
 114         # multilibs.
 115         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 116
 117 .PHONY: check installcheck
 118 check:
 119 installcheck:
 120
 121 .PHONY: all clean
 122
 123 clean:
 124         -rm -f auto-target.h libgcc_tm.h libgcc.map
 125         -rm -f libgcc_tm.stamp stamp-h stmp-ldirs
 126         -rm -f *$(objext)
 127         -rm -f *.dep
 128         -rm -f *.a
 129         -rm -f libunwind$(SHLIB_EXT)
 130         -rm -f libgcc_s*
 131         @$(MULTICLEAN) multi-clean DO=clean
 132 distclean: clean
 133         @$(MULTICLEAN) multi-clean DO=distclean
 134         -rm -f *~ Makefile config.cache config.status multilib.out
 135         -rm -f config.log
 136 maintainer-clean realclean: distclean
 137
 138 Makefile: $(srcdir)/Makefile.in config.status
 139         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 140
 141 # Depending on Makefile makes sure that config.status has been re-run
 142 # if needed.  This prevents problems with parallel builds.
 143 auto-target.h: stamp-h ; @true
 144 stamp-h: $(srcdir)/config.in config.status Makefile
 145         CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
 146
 147 config.status: $(srcdir)/configure $(srcdir)/config.host
 148         $(SHELL) ./config.status --recheck
 149
 150 AUTOCONF = autoconf
 151 configure_deps = \
 152         $(srcdir)/../config/enable.m4 \
 153         $(srcdir)/../config/tls.m4 \
 154         $(srcdir)/../config/acx.m4 \
 155         $(srcdir)/../config/no-executables.m4 \
 156         $(srcdir)/../config/override.m4 \
 157         $(srcdir)/../config/dfp.m4 \
 158
 159 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
 160         cd $(srcdir) && $(AUTOCONF)
 161
 162 include $(gcc_objdir)/libgcc.mvars
 163
 164 # Flags to pass to recursive makes.
 165
 166 AR_FOR_TARGET = $(AR)
 167 AR_FLAGS_FOR_TARGET =
 168 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
 169 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
 170 AWK = @AWK@
 171 GCC_FOR_TARGET = $(CC)
 172 LIPO = @LIPO@
 173 LIPO_FOR_TARGET = $(LIPO)
 174 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 175 NM = @NM@
 176 NM_FOR_TARGET = $(NM)
 177 RANLIB_FOR_TARGET = $(RANLIB)
 178 STRIP = @STRIP@
 179 STRIP_FOR_TARGET = $(STRIP)
 180
 181 # Directory in which the compiler finds libraries etc.
 182 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 183 # Used to install the shared libgcc.
 184 slibdir = @slibdir@
 185 # Maybe used for DLLs on Windows targets.
 186 toolexecdir = @toolexecdir@
 187 toolexeclibdir = @toolexeclibdir@
 188
 189 export AR_FOR_TARGET
 190 export AR_CREATE_FOR_TARGET
 191 export AR_FLAGS_FOR_TARGET
 192 export AR_EXTRACT_FOR_TARGET
 193 export AWK
 194 export DESTDIR
 195 export GCC_FOR_TARGET
 196 export INCLUDES
 197 export INSTALL_DATA
 198 export LIB1ASMSRC
 199 export LIBGCC2_CFLAGS
 200 export LIPO_FOR_TARGET
 201 export MACHMODE_H
 202 export NM_FOR_TARGET
 203 export STRIP_FOR_TARGET
 204 export RANLIB_FOR_TARGET
 205 export libsubdir
 206 export slibdir
 207 export toolexecdir
 208 export toolexeclibdir
 209
 210 version := $(shell $(CC) -dumpversion)
 211
 212 ifeq ($(decimal_float),yes)
 213 ifeq ($(enable_decimal_float),bid)
 214 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
 215 else
 216 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
 217             -I$(srcdir)/../libdecnumber
 218 endif
 219 else
 220 DECNUMINC =
 221 endif
 222
 223 # Options to use when compiling libgcc2.a.
 224 #
 225 LIBGCC2_DEBUG_CFLAGS = -g
 226 LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
 227                  $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
 228                  -fbuilding-libgcc -fno-stack-protector \
 229                  $(INHIBIT_LIBC_CFLAGS)
 230
 231 # Additional options to use when compiling libgcc2.a.
 232 # Some targets override this to -isystem include
 233 LIBGCC2_INCLUDES =
 234
 235 # Additional target-dependent options for compiling libgcc2.a.
 236 HOST_LIBGCC2_CFLAGS =
 237
 238 PICFLAG = @PICFLAG@
 239
 240 # Defined in libgcc2.c, included only in the static library.
 241 LIB2FUNCS_ST = _eprintf __gcc_bcmp
 242
 243 # List of functions not to build from libgcc2.c.
 244 LIB2FUNCS_EXCLUDE =
 245
 246 # These might cause a divide overflow trap and so are compiled with
 247 # unwinder info.
 248 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 249
 250 # List of extra C and assembler files to add to static and shared libgcc2.
 251 # Assembler files should have names ending in `.S'.
 252 LIB2ADD =
 253
 254 # List of extra C and assembler files to add to static libgcc2.
 255 # Assembler files should have names ending in `.S'.
 256 LIB2ADD_ST =
 257
 258 # Specify the directories to be searched for header files.
 259 # Both . and srcdir are used, in that order,
 260 # so that *config.h will be found in the compilation
 261 # subdirectory rather than in the source directory.
 262 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
 263 # currently being compiled, in both source trees, to be examined as well.
 264 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
 265            -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
 266            -I$(srcdir)/../include $(DECNUMINC)
 267
 268 # Forcibly remove any profiling-related flags.  There is no point
 269 # in supporting profiled bootstrap in this library.
 270 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
 271
 272 # CFLAGS first is not perfect; normally setting CFLAGS should override any
 273 # options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
 274 # will usually contain -g, so for the moment CFLAGS goes first.  We must
 275 # include CFLAGS - that's where multilib options live.
 276 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
 277                   $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
 278
 279 # Options to use when compiling crtbegin/end.
 280 CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
 281   -finhibit-size-directive -fno-inline -fno-exceptions \
 282   -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
 283   -fno-stack-protector \
 284   $(INHIBIT_LIBC_CFLAGS)
 285
 286 # Extra flags to use when compiling crt{begin,end}.o.
 287 CRTSTUFF_T_CFLAGS =
 288
 289 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 290 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 291
 292 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 293 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 294 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 295
 296 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
 297 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
 298 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
 299 gcc_s_compile = $(gcc_compile) -DSHARED
 300
 301 objects = $(filter %$(objext),$^)
 302
 303 # Collect any host-specific information from Makefile fragments.
 304
 305 LIBGCC_VER_GNU_PREFIX = __
 306 LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
 307 LIBGCC_VER_SYMBOLS_PREFIX =
 308
 309 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
 310     _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
 311     _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
 312     _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
 313
 314 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
 315     _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
 316     _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
 317     _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
 318
 319 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
 320     _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
 321     _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
 322     _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
 323
 324 # Additional sources to handle exceptions; overridden by targets as needed.
 325 LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
 326   $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
 327 LIB2ADDEHSTATIC = $(LIB2ADDEH)
 328 LIB2ADDEHSHARED = $(LIB2ADDEH)
 329
 330 # nm flags to list global symbols in libgcc object files.
 331 SHLIB_NM_FLAGS = -pg
 332
 333 # Don't build libunwind by default.
 334 LIBUNWIND =
 335 SHLIBUNWIND_LINK =
 336 SHLIBUNWIND_INSTALL =
 337
 338 tmake_file = @tmake_file@
 339 include $(srcdir)/empty.mk $(tmake_file)
 340
 341 # Collect target defines and headers from config.host.
 342 libgcc_tm_defines = @tm_defines@
 343 libgcc_tm_file = @tm_file@
 344 libgcc_tm.h: libgcc_tm.stamp; @true
 345 libgcc_tm.stamp:
 346         DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
 347                 $(srcdir)/mkheader.sh > tmp-libgcc_tm.h
 348         $(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
 349         echo timestamp > $@
 350
 351 # Only handle shared libraries if both:
 352 #   - the user requested them
 353 #   - we know how to build them
 354 ifeq ($(SHLIB_LINK),)
 355   enable_shared := no
 356 endif
 357
 358 ifeq ($(enable_shared),yes)
 359   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 360
 361   install-shared = install-shared
 362
 363   ifneq ($(LIBUNWIND),)
 364     install-libunwind = install-libunwind
 365   endif
 366
 367 # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
 368 # the command line, and a #define to prevent libgcc2.h etc from
 369 # overriding that with #pragmas.
 370 vis_hide = @vis_hide@
 371
 372 ifneq (,$(vis_hide))
 373
 374 # If we have -fvisibility=hidden, then we need to generate hide
 375 # lists for object files implemented in assembly.
 376 ASM_HIDDEN_OP = @asm_hidden_op@
 377
 378 define gen-hide-list
 379 $(NM) -pg $< | \
 380   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
 381          && $$3 !~ /.*@.*/ \
 382          { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 383 mv -f $@T $@
 384 endef
 385 else
 386 gen-hide-list = echo > $@
 387 endif
 388
 389 else
 390 # Not enable_shared.
 391 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 392 vis_hide =
 393 gen-hide-list = echo > \$@
 394 endif
 395
 396 LIB2ADD += enable-execute-stack.c
 397
 398 # While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
 399 # instead of LIB2ADD because that's the way to be sure on some targets
 400 # (e.g. *-*-darwin*) only one copy of it is linked.
 401 LIB2ADDEH += $(srcdir)/emutls.c
 402 LIB2ADDEHSTATIC += $(srcdir)/emutls.c
 403 LIB2ADDEHSHARED += $(srcdir)/emutls.c
 404
 405 # Library members defined in libgcc2.c.
 406 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 407             _clear_cache _trampoline __main _absvsi2 \
 408             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 409             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 410             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 411             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 412             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 413             _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 _clrsbdi2
 414
 415 # The floating-point conversion routines that involve a single-word integer.
 416 # XX stands for the integer mode.
 417 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 418
 419 # Likewise double-word routines.
 420 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 421                $(patsubst %,_fixuns%XX,sf df xf tf) \
 422                $(patsubst %,_floatXX%,sf df xf tf) \
 423                $(patsubst %,_floatunXX%,sf df xf tf)
 424
 425 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 426   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 427   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 428 endif
 429
 430 # These might cause a divide overflow trap and so are compiled with
 431 # unwinder info.
 432 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 433
 434 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 435 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 436 # in LIB2FUNCS_EXCLUDE.
 437 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 438 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 439                        $(LIB2_DIVMOD_FUNCS))
 440
 441 # Build "libgcc1" (assembly) components.
 442 ifeq ($(enable_shared),yes)
 443
 444 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 445 $(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis
 446         $(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis
 447 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
 448         $(gen-hide-list)
 449 libgcc-objects += $(lib1asmfuncs-o)
 450
 451 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
 452 $(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC)
 453         $(gcc_s_compile) -DL$* -xassembler-with-cpp -c $<
 454 libgcc-s-objects += $(lib1asmfuncs-s-o)
 455
 456 else
 457
 458 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 459 $(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC)
 460         $(gcc_compile) -DL$* -xassembler-with-cpp -c $<
 461 libgcc-objects += $(lib1asmfuncs-o)
 462
 463 endif
 464
 465 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 466 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 467 $(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
 468         $(gcc_compile) -DL$* -c $< $(vis_hide)
 469 libgcc-objects += $(lib2funcs-o)
 470
 471 ifeq ($(enable_shared),yes)
 472 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 473 $(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
 474         $(gcc_s_compile) -DL$* -c $<
 475 libgcc-s-objects += $(lib2funcs-s-o)
 476 endif
 477
 478 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 479 # Build libgcc2.c for each conversion function, with a specific
 480 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 481 # functions are built with a wordsize of 4; the TImode functions are
 482 # built with the same labels, but a wordsize of 8.
 483
 484 sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
 485 difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
 486 tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
 487
 488 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 489 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 490 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 491
 492 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 493
 494 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 495 ifeq ($(enable_shared),yes)
 496 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 497 endif
 498 endif
 499
 500 # Build LIB2_DIVMOD_FUNCS.
 501 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 502 $(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
 503         $(gcc_compile) -DL$* -c $< \
 504           -fexceptions -fnon-call-exceptions $(vis_hide)
 505 libgcc-objects += $(lib2-divmod-o)
 506
 507 ifeq ($(enable_shared),yes)
 508 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 509 $(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
 510         $(gcc_s_compile) -DL$* -c $< \
 511           -fexceptions -fnon-call-exceptions
 512 libgcc-s-objects += $(lib2-divmod-s-o)
 513 endif
 514
 515 ifeq ($(TPBIT),)
 516 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 517 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 518 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 519 endif
 520
 521 fpbit-src := $(srcdir)/fp-bit.c
 522
 523 # Build FPBIT.
 524 ifneq ($(FPBIT),)
 525 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 526 $(fpbit-o): %$(objext): $(fpbit-src)
 527         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
 528 libgcc-objects += $(fpbit-o)
 529
 530 ifeq ($(enable_shared),yes)
 531 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 532 $(fpbit-s-o): %_s$(objext): $(fpbit-src)
 533         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS)  -c $<
 534 libgcc-s-objects += $(fpbit-s-o)
 535 endif
 536 endif
 537
 538 # Build DPBIT.
 539 ifneq ($(DPBIT),)
 540 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 541 $(dpbit-o): %$(objext): $(fpbit-src)
 542         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
 543 libgcc-objects += $(dpbit-o)
 544
 545 ifeq ($(enable_shared),yes)
 546 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 547 $(dpbit-s-o): %_s$(objext): $(fpbit-src)
 548         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
 549 libgcc-s-objects += $(dpbit-s-o)
 550 endif
 551 endif
 552
 553 # Build TPBIT.
 554 ifneq ($(TPBIT),)
 555 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 556 $(tpbit-o): %$(objext): $(fpbit-src)
 557         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
 558 libgcc-objects += $(tpbit-o)
 559
 560 ifeq ($(enable_shared),yes)
 561 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 562 $(tpbit-s-o): %_s$(objext): $(fpbit-src)
 563         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
 564 libgcc-s-objects += $(tpbit-s-o)
 565 endif
 566 endif
 567
 568 # Build decimal floating point support.
 569 ifeq ($(decimal_float),yes)
 570
 571 # If $DFP_ENABLE is set, then we want all data type sizes.
 572 ifneq ($(DFP_ENABLE),)
 573 D32PBIT = 1
 574 D64PBIT = 1
 575 D128PBIT = 1
 576 endif
 577
 578 dfp-filenames =
 579 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 580 ifeq ($(enable_decimal_float),bid)
 581 dfp-filenames += bid_decimal_globals bid_decimal_data \
 582                  bid_binarydecimal bid_convert_data \
 583                  _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
 584                  bid128_noncomp bid128_fma bid_round bid_from_int \
 585                  bid64_add bid128_add bid64_div bid128_div \
 586                  bid64_mul bid128_mul bid64_compare bid128_compare \
 587                  bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
 588                  bid64_to_int32 bid64_to_int64 \
 589                  bid64_to_uint32 bid64_to_uint64 \
 590                  bid128_to_int32 bid128_to_int64 \
 591                  bid128_to_uint32 bid128_to_uint64
 592 else
 593 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
 594 endif
 595 endif
 596
 597 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
 598 ifeq ($(enable_decimal_float),bid)
 599 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
 600 else
 601 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 602 endif
 603         $(gcc_compile) -c $<
 604 libgcc-objects += $(dfp-objects)
 605
 606 decbits-filenames =
 607 ifneq ($(enable_decimal_float),bid)
 608 ifneq ($(D32PBIT),)
 609 decbits-filenames += decimal32
 610 endif
 611
 612 ifneq ($(D64PBIT),)
 613 decbits-filenames += decimal64
 614 endif
 615
 616 ifneq ($(D128PBIT),)
 617 decbits-filenames += decimal128
 618 endif
 619 endif
 620
 621 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
 622 ifeq ($(enable_decimal_float),bid)
 623 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
 624 else
 625 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
 626 endif
 627         $(gcc_compile) -c $<
 628 libgcc-objects += $(decbits-objects)
 629
 630 # Next build individual support functions.
 631 D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
 632         _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
 633         _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
 634         _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
 635         _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
 636         _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
 637         _sd_to_dd _sd_to_td _unord_sd _conv_sd
 638
 639 D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
 640         _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
 641         _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
 642         _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
 643         _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
 644         _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
 645         _dd_to_sd _dd_to_td _unord_dd _conv_dd
 646
 647 D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
 648         _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
 649         _td_to_si _td_to_di _td_to_usi _td_to_udi \
 650         _si_to_td _di_to_td _usi_to_td _udi_to_td \
 651         _td_to_sf _td_to_df _td_to_xf _td_to_tf \
 652         _sf_to_td _df_to_td _xf_to_td _tf_to_td \
 653         _td_to_sd _td_to_dd _unord_td _conv_td
 654
 655 ifeq ($(enable_decimal_float),bid)
 656 ifneq ($(D32PBIT),)
 657 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
 658 endif
 659
 660 ifneq ($(D64PBIT),)
 661 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
 662 endif
 663
 664 ifneq ($(D128PBIT),)
 665 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
 666 endif
 667 endif
 668
 669 ifneq ($(D32PBIT),)
 670 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 671 ifeq ($(enable_decimal_float),bid)
 672 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 673 else
 674 $(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 675 endif
 676         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 677 libgcc-objects += $(d32pbit-o)
 678 endif
 679
 680 ifneq ($(D64PBIT),)
 681 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 682 ifeq ($(enable_decimal_float),bid)
 683 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 684 else
 685 $(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 686 endif
 687         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 688 libgcc-objects += $(d64pbit-o)
 689 endif
 690
 691 ifneq ($(D128PBIT),)
 692 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 693 ifeq ($(enable_decimal_float),bid)
 694 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 695 else
 696 $(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 697 endif
 698         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 699 libgcc-objects += $(d128pbit-o)
 700 endif
 701
 702 endif
 703
 704 ifeq ($(SYNC),yes)
 705 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
 706                             sync_fetch_and_$(op) \
 707                             sync_$(op)_and_fetch) \
 708                           sync_bool_compare_and_swap \
 709                           sync_val_compare_and_swap \
 710                           sync_lock_test_and_set
 711
 712 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
 713                             $(foreach suffix, 1 2 4 8 16, \
 714                               $(prefix)_$(suffix)))
 715
 716 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
 717 $(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
 718         $(gcc_compile) $(SYNC_CFLAGS) \
 719           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 720           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 721           -c $< $(vis_hide)
 722 libgcc-objects += $(libgcc-sync-size-funcs-o)
 723
 724 libgcc-sync-funcs := sync_synchronize
 725
 726 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
 727 $(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
 728         $(gcc_compile) $(SYNC_CFLAGS) \
 729           -DL$* \
 730           -c $< $(vis_hide)
 731 libgcc-objects += $(libgcc-sync-funcs-o)
 732
 733 ifeq ($(enable_shared),yes)
 734 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
 735                                $(libgcc-sync-size-funcs))
 736 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
 737         $(gcc_s_compile) $(SYNC_CFLAGS) \
 738           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 739           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 740           -c $<
 741 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
 742
 743 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
 744 $(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
 745         $(gcc_s_compile) $(SYNC_CFLAGS) \
 746           -DL$* \
 747           -c $<
 748 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
 749 endif
 750 endif
 751
 752 # Build fixed-point support.
 753 ifeq ($(fixed_point),yes)
 754
 755 # Generate permutations of function name and mode
 756 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
 757 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
 758 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
 759
 760 # Generate the rules for each arithmetic function
 761 iter-items := $(fixed-funcs)
 762 iter-labels := $(fixed-labels)
 763 iter-from := $(fixed-modes)
 764 iter-to := $(fixed-modes)
 765 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 766
 767 # Add arithmetic functions to list of objects to be built
 768 libgcc-objects += $(patsubst %,%$(objext),$(fixed-funcs))
 769 ifeq ($(enable_shared),yes)
 770 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-funcs))
 771 endif
 772
 773 # Convert from or to fractional
 774 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
 775 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
 776 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
 777 fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
 778
 779 # Generate the make rules for each conversion function
 780 iter-items := $(fixed-conv-funcs)
 781 iter-labels := $(fixed-conv-labels)
 782 iter-from := $(fixed-conv-from)
 783 iter-to := $(fixed-conv-to)
 784 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 785
 786 # Add conversion functions to list of objects to be built
 787 libgcc-objects += $(patsubst %,%$(objext),$(fixed-conv-funcs))
 788 ifeq ($(enable_shared),yes)
 789 libgcc-s-objects += $(patsubst %,%_s$(objext),$(fixed-conv-funcs))
 790 endif
 791
 792 endif
 793
 794 # Build LIB2ADD and LIB2ADD_ST.
 795 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 796 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 797 endif
 798
 799 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 800 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 801
 802 c_flags :=
 803 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 804 include $(iterator)
 805
 806 ifeq ($(enable_shared),yes)
 807 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 808 endif
 809
 810 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 811 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 812 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 813
 814 c_flags := -fexceptions
 815
 816 ifeq ($(enable_shared),yes)
 817
 818 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 819 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 820
 821 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 822 include $(iterator)
 823
 824 else
 825 # Not shared.  LIB2ADDEH are added to libgcc.a.
 826
 827 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 828
 829 iter-items := $(LIB2ADDEH)
 830 include $(iterator)
 831
 832 endif
 833
 834 # Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
 835 # not generate calls to __gcc_personality_v0.
 836
 837 c_flags := -fno-exceptions
 838
 839 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 840
 841 ifeq ($(enable_shared),yes)
 842 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 843 endif
 844
 845 iter-items := $(LIBUNWIND)
 846 include $(iterator)
 847
 848 # Build libgcov components.
 849
 850 # Defined in libgcov.c, included only in gcov library
 851 LIBGCOV = _gcov _gcov_merge_add _gcov_merge_single _gcov_merge_delta \
 852     _gcov_fork _gcov_execl _gcov_execlp _gcov_execle \
 853     _gcov_execv _gcov_execvp _gcov_execve _gcov_reset _gcov_dump \
 854     _gcov_interval_profiler _gcov_pow2_profiler _gcov_one_value_profiler \
 855     _gcov_indirect_call_profiler _gcov_average_profiler _gcov_ior_profiler \
 856     _gcov_merge_ior
 857
 858 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 859
 860 $(libgcov-objects): %$(objext): $(srcdir)/libgcov.c
 861         $(gcc_compile) -DL$* -c $(srcdir)/libgcov.c
 862
 863
 864 # Static libraries.
 865 libgcc.a: $(libgcc-objects)
 866 libgcov.a: $(libgcov-objects)
 867 libunwind.a: $(libunwind-objects)
 868 libgcc_eh.a: $(libgcc-eh-objects)
 869
 870 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 871         -rm -f $@
 872
 873         objects="$(objects)";                                   \
 874         if test -z "$$objects"; then                            \
 875           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 876           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 877              -o eh_dummy$(objext);                              \
 878           objects=eh_dummy$(objext);                            \
 879         fi;                                                     \
 880         $(AR_CREATE_FOR_TARGET) $@ $$objects
 881
 882         $(RANLIB) $@
 883
 884 all: libgcc.a libgcov.a
 885
 886 ifneq ($(LIBUNWIND),)
 887 all: libunwind.a
 888 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 889 endif
 890
 891 ifeq ($(enable_shared),yes)
 892 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 893 ifneq ($(LIBUNWIND),)
 894 all: libunwind$(SHLIB_EXT)
 895 endif
 896 endif
 897
 898 ifeq ($(enable_shared),yes)
 899
 900 # Map-file generation.
 901 ifneq ($(SHLIB_MKMAP),)
 902 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 903         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 904           cat $(SHLIB_MAPFILES) \
 905             | sed -e '/^[       ]*#/d' \
 906                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 907             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 908         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 909         mv tmp-$@ $@
 910 libgcc_s$(SHLIB_EXT): libgcc.map
 911 mapfile = libgcc.map
 912 endif
 913
 914 libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
 915         sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
 916             -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
 917
 918 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 919         # @multilib_flags@ is still needed because this may use
 920         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 921         # @multilib_dir@ is not really necessary, but sometimes it has
 922         # more uses than just a directory name.
 923         $(mkinstalldirs) $(MULTIDIR)
 924         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 925                 @multilib_dir@,$(MULTIDIR),$(subst \
 926                 @shlib_objs@,$(objects),$(subst \
 927                 @shlib_base_name@,libgcc_s,$(subst \
 928                 @shlib_map_file@,$(mapfile),$(subst \
 929                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
 930                 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
 931
 932 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 933         # @multilib_flags@ is still needed because this may use
 934         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 935         # @multilib_dir@ is not really necessary, but sometimes it has
 936         # more uses than just a directory name.
 937         $(mkinstalldirs) $(MULTIDIR)
 938         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 939                 @multilib_dir@,$(MULTIDIR),$(subst \
 940                 @shlib_objs@,$(objects),$(subst \
 941                 @shlib_base_name@,libunwind,$(subst \
 942                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 943
 944 endif
 945
 946 # Build the standard GCC startfiles and endfiles.
 947 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 948 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 949
 950 ifeq ($(CUSTOM_CRTSTUFF),)
 951 # Compile two additional files that are linked with every program
 952 # linked using GCC on systems using COFF or ELF, for the sake of C++
 953 # constructors.
 954 crtbegin$(objext): $(srcdir)/crtstuff.c
 955         $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
 956
 957 crtend$(objext): $(srcdir)/crtstuff.c
 958         $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
 959
 960 # These are versions of crtbegin and crtend for shared libraries.
 961 crtbeginS$(objext): $(srcdir)/crtstuff.c
 962         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
 963
 964 crtendS$(objext): $(srcdir)/crtstuff.c
 965         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
 966
 967 # This is a version of crtbegin for -static links.
 968 crtbeginT$(objext): $(srcdir)/crtstuff.c
 969         $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
 970 endif
 971
 972 ifeq ($(CUSTOM_CRTIN),)
 973 # -x assembler-with-cpp is only needed on case-insensitive filesystem.
 974 crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
 975         $(crt_compile) -c -x assembler-with-cpp $<
 976
 977 crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
 978         $(crt_compile) -c -x assembler-with-cpp $<
 979 endif
 980
 981 # Build extra startfiles in the libgcc directory.
 982 .PHONY: libgcc-extra-parts
 983 libgcc-extra-parts: $(EXTRA_PARTS)
 984
 985         # Early copyback; see "all" above for the rationale.  The
 986         # early copy is necessary so that the gcc -B options find
 987         # the right startup files when linking shared libgcc.
 988         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 989         parts="$(EXTRA_PARTS)";                                 \
 990         for file in $$parts; do                                 \
 991           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 992           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 993           case $$file in                                        \
 994             *.a)                                                \
 995               $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;   \
 996           esac;                                                 \
 997         done
 998
 999 all: $(extra-parts)
1000
1001 $(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1002         $(libgcov-objects) \
1003         $(libunwind-objects) $(libunwind-s-objects) \
1004         $(EXTRA_PARTS): libgcc_tm.h
1005
1006 # Copy unwind.h to the place where gcc will look for it at build-time
1007 install-unwind_h-forbuild:
1008         dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1009         cp unwind.h $$dest; \
1010         chmod a+r $$dest; \
1011         sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1012
1013 # Copy unwind.h to the place where gcc will look at run-time, once installed
1014 #
1015 # This is redundant with the internal copy above when using a regular toplevel
1016 # "install" target, because gcc's install will copy to the destination as well.
1017 #
1018 # This is however useful for "install-no-fixincludes" case, when only the gcc
1019 # internal headers are copied by gcc's install.
1020 install-unwind_h:
1021         $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1022         $(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1023
1024 all: install-unwind_h-forbuild
1025
1026 # Documentation targets (empty).
1027 .PHONY: info html dvi pdf install-info install-html install-pdf
1028
1029 info:
1030 install-info:
1031 html:
1032 install-html:
1033 dvi:
1034 pdf:
1035 install-pdf:
1036
1037 # Install rules.  These do not depend on "all", so that they can be invoked
1038 # recursively from it.
1039 install-libunwind:
1040         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1041
1042         # NOTE: Maybe this should go into $(inst_libdir), but this
1043         # is where the old mklibgcc.in put it.
1044         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1045         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1046         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1047
1048         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1049                 @shlib_base_name@,libunwind,$(subst \
1050                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1051
1052 install-shared:
1053         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1054
1055         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1056         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1057         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1058
1059         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1060                 @shlib_base_name@,libgcc_s,$(subst \
1061                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1062
1063 install-leaf: $(install-shared) $(install-libunwind)
1064         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1065
1066         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1067         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1068         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1069         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1070         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1071         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1072
1073         parts="$(INSTALL_PARTS)";                               \
1074         for file in $$parts; do                                 \
1075           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
1076           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
1077           case $$file in                                        \
1078             *.a)                                                \
1079               $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;   \
1080           esac;                                                 \
1081         done
1082
1083 install: install-leaf install-unwind_h
1084         @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1085
1086 install-strip: install
1087
1088 .PHONY: install install-shared install-libunwind install-strip
1089 .PHONY: install-unwind_h install-unwind_h-forbuild
1090
1091 # Don't export variables to the environment, in order to not confuse
1092 # configure.
1093 .NOEXPORT:
1094
1095 include $(srcdir)/empty.mk $(wildcard *.dep)