libgcc/Makefile.in

   1 # Makefile.in
   2
   3 # Copyright (C) 2005-2013 Free Software Foundation, Inc.
   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_vtable_verify = @enable_vtable_verify@
  43 enable_decimal_float = @enable_decimal_float@
  44 fixed_point = @fixed_point@
  45
  46 host_noncanonical = @host_noncanonical@
  47 target_noncanonical = @target_noncanonical@
  48
  49 # List of extra object files that should be compiled for this target machine.
  50 # The rules for compiling them should be in the t-* file for the machine.
  51 EXTRA_PARTS = @extra_parts@
  52
  53 extra-parts = libgcc-extra-parts
  54
  55 # Multilib support variables.
  56 MULTISRCTOP =
  57 MULTIBUILDTOP =
  58 MULTIDIRS =
  59 MULTISUBDIR =
  60 MULTIDO = true
  61 MULTICLEAN = true
  62
  63 INSTALL = @INSTALL@
  64 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  65 INSTALL_DATA = @INSTALL_DATA@
  66 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  67 INSTALL_PARTS = $(EXTRA_PARTS)
  68
  69 objext = .o
  70
  71 AR = @AR@
  72 AR_FLAGS = rc
  73
  74 CC = @CC@
  75 CFLAGS = @CFLAGS@
  76 RANLIB = @RANLIB@
  77 LN_S = @LN_S@
  78
  79 PWD_COMMAND = $${PWDCMD-pwd}
  80
  81 # Flags to pass to a recursive make.
  82 FLAGS_TO_PASS = \
  83         "AR=$(AR)" \
  84         "AR_FLAGS=$(AR_FLAGS)" \
  85         "CC=$(CC)" \
  86         "CFLAGS=$(CFLAGS)" \
  87         "DESTDIR=$(DESTDIR)" \
  88         "EXTRA_OFILES=$(EXTRA_OFILES)" \
  89         "HDEFINES=$(HDEFINES)" \
  90         "INSTALL=$(INSTALL)" \
  91         "INSTALL_DATA=$(INSTALL_DATA)" \
  92         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
  93         "LDFLAGS=$(LDFLAGS)" \
  94         "LOADLIBES=$(LOADLIBES)" \
  95         "RANLIB=$(RANLIB)" \
  96         "SHELL=$(SHELL)" \
  97         "prefix=$(prefix)" \
  98         "exec_prefix=$(exec_prefix)" \
  99         "libdir=$(libdir)" \
 100         "libsubdir=$(libsubdir)" \
 101         "tooldir=$(tooldir)"
 102
 103 # Dependencies for "all" are set later in the file.
 104 all: all-multi
 105         # Now that we have built all the objects, we need to copy
 106         # them back to the GCC directory.  Too many things (other
 107         # in-tree libraries, and DejaGNU) know about the layout
 108         # of the build tree, for now.
 109         $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \
 110           slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
 111
 112 .PHONY: all-multi
 113 all-multi:
 114         # If this is the top-level multilib, build all the other
 115         # multilibs.
 116         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 117
 118 .PHONY: check installcheck
 119 check:
 120 installcheck:
 121
 122 .PHONY: all clean
 123
 124 clean:
 125         -rm -f libgcc_tm.h libgcc.map
 126         -rm -f libgcc_tm.stamp stmp-ldirs
 127         -rm -f *$(objext)
 128         -rm -f *.dep
 129         -rm -f *.a
 130         -rm -f libunwind$(SHLIB_EXT)
 131         -rm -f libgcc_s*
 132         @$(MULTICLEAN) multi-clean DO=clean
 133 distclean: clean
 134         @$(MULTICLEAN) multi-clean DO=distclean
 135         -rm -f auto-target.h
 136         -rm -f stamp-h
 137         -rm -f *~ Makefile config.cache config.status multilib.out
 138         -rm -f config.log
 139 maintainer-clean realclean: distclean
 140
 141 Makefile: $(srcdir)/Makefile.in config.status
 142         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 143
 144 # Depending on Makefile makes sure that config.status has been re-run
 145 # if needed.  This prevents problems with parallel builds.
 146 auto-target.h: stamp-h ; @true
 147 stamp-h: $(srcdir)/config.in config.status Makefile
 148         CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
 149
 150 config.status: $(srcdir)/configure $(srcdir)/config.host
 151         $(SHELL) ./config.status --recheck
 152
 153 AUTOCONF = autoconf
 154 configure_deps = \
 155         $(srcdir)/../config/enable.m4 \
 156         $(srcdir)/../config/tls.m4 \
 157         $(srcdir)/../config/acx.m4 \
 158         $(srcdir)/../config/no-executables.m4 \
 159         $(srcdir)/../config/override.m4 \
 160         $(srcdir)/../config/dfp.m4 \
 161
 162 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps)
 163         cd $(srcdir) && $(AUTOCONF)
 164
 165 include $(gcc_objdir)/libgcc.mvars
 166
 167 # Flags to pass to recursive makes.
 168
 169 AR_FOR_TARGET = $(AR)
 170 AR_FLAGS_FOR_TARGET =
 171 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
 172 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
 173 AWK = @AWK@
 174 GCC_FOR_TARGET = $(CC)
 175 LIPO = @LIPO@
 176 LIPO_FOR_TARGET = $(LIPO)
 177 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 178 NM = @NM@
 179 NM_FOR_TARGET = $(NM)
 180 RANLIB_FOR_TARGET = $(RANLIB)
 181 STRIP = @STRIP@
 182 STRIP_FOR_TARGET = $(STRIP)
 183
 184 # Directory in which the compiler finds libraries etc.
 185 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 186 # Used to install the shared libgcc.
 187 slibdir = @slibdir@
 188 # Maybe used for DLLs on Windows targets.
 189 toolexecdir = @toolexecdir@
 190 toolexeclibdir = @toolexeclibdir@
 191
 192 export AR_FOR_TARGET
 193 export AR_CREATE_FOR_TARGET
 194 export AR_FLAGS_FOR_TARGET
 195 export AR_EXTRACT_FOR_TARGET
 196 export AWK
 197 export DESTDIR
 198 export GCC_FOR_TARGET
 199 export INCLUDES
 200 export INSTALL_DATA
 201 export LIB1ASMSRC
 202 export LIBGCC2_CFLAGS
 203 export LIPO_FOR_TARGET
 204 export MACHMODE_H
 205 export NM_FOR_TARGET
 206 export STRIP_FOR_TARGET
 207 export RANLIB_FOR_TARGET
 208 export libsubdir
 209 export slibdir
 210 export toolexecdir
 211 export toolexeclibdir
 212
 213 version := $(shell cat $(srcdir)/../gcc/BASE-VER)
 214
 215 ifeq ($(decimal_float),yes)
 216 ifeq ($(enable_decimal_float),bid)
 217 DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT
 218 else
 219 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
 220             -I$(srcdir)/../libdecnumber
 221 endif
 222 else
 223 DECNUMINC =
 224 endif
 225
 226 # Options to use when compiling libgcc2.a.
 227 #
 228 LIBGCC2_DEBUG_CFLAGS = -g
 229 LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
 230                  $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \
 231                  -fbuilding-libgcc -fno-stack-protector \
 232                  $(INHIBIT_LIBC_CFLAGS)
 233
 234 # Additional options to use when compiling libgcc2.a.
 235 # Some targets override this to -isystem include
 236 LIBGCC2_INCLUDES =
 237
 238 # Additional target-dependent options for compiling libgcc2.a.
 239 HOST_LIBGCC2_CFLAGS =
 240
 241 PICFLAG = @PICFLAG@
 242
 243 # Defined in libgcc2.c, included only in the static library.
 244 LIB2FUNCS_ST = _eprintf __gcc_bcmp
 245
 246 # List of functions not to build from libgcc2.c.
 247 LIB2FUNCS_EXCLUDE =
 248
 249 # These might cause a divide overflow trap and so are compiled with
 250 # unwinder info.
 251 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 252
 253 # List of extra C and assembler files to add to static and shared libgcc2.
 254 # Assembler files should have names ending in `.S'.
 255 LIB2ADD =
 256
 257 # List of extra C and assembler files to add to static libgcc2.
 258 # Assembler files should have names ending in `.S'.
 259 LIB2ADD_ST =
 260
 261 # Specify the directories to be searched for header files.
 262 # Both . and srcdir are used, in that order,
 263 # so that *config.h will be found in the compilation
 264 # subdirectory rather than in the source directory.
 265 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
 266 # currently being compiled, in both source trees, to be examined as well.
 267 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
 268            -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
 269            -I$(srcdir)/../include $(DECNUMINC)
 270
 271 # Forcibly remove any profiling-related flags.  There is no point
 272 # in supporting profiled bootstrap in this library.
 273 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
 274
 275 # CFLAGS first is not perfect; normally setting CFLAGS should override any
 276 # options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
 277 # will usually contain -g, so for the moment CFLAGS goes first.  We must
 278 # include CFLAGS - that's where multilib options live.
 279 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
 280                   $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@
 281
 282 # Options to use when compiling crtbegin/end.
 283 CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
 284   -finhibit-size-directive -fno-inline -fno-exceptions \
 285   -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
 286   -fno-stack-protector \
 287   $(INHIBIT_LIBC_CFLAGS)
 288
 289 # Extra flags to use when compiling crt{begin,end}.o.
 290 CRTSTUFF_T_CFLAGS =
 291
 292 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 293 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 294
 295 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 296 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 297 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 298
 299 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
 300 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
 301 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
 302 gcc_s_compile = $(gcc_compile) -DSHARED
 303
 304 objects = $(filter %$(objext),$^)
 305
 306 # Collect any host-specific information from Makefile fragments.
 307
 308 LIBGCC_VER_GNU_PREFIX = __
 309 LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __
 310 LIBGCC_VER_SYMBOLS_PREFIX =
 311
 312 FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \
 313     _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \
 314     _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \
 315     _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf
 316
 317 DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \
 318     _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \
 319     _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \
 320     _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df
 321
 322 TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \
 323     _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \
 324     _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \
 325     _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf
 326
 327 # Additional sources to handle exceptions; overridden by targets as needed.
 328 LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
 329   $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
 330 LIB2ADDEHSTATIC = $(LIB2ADDEH)
 331 LIB2ADDEHSHARED = $(LIB2ADDEH)
 332
 333 # nm flags to list global symbols in libgcc object files.
 334 SHLIB_NM_FLAGS = -pg
 335
 336 # Don't build libunwind by default.
 337 LIBUNWIND =
 338 SHLIBUNWIND_LINK =
 339 SHLIBUNWIND_INSTALL =
 340
 341 tmake_file = @tmake_file@
 342 include $(srcdir)/empty.mk $(tmake_file)
 343
 344 # Collect target defines and headers from config.host.
 345 libgcc_tm_defines = @tm_defines@
 346 libgcc_tm_file = @tm_file@
 347 libgcc_tm.h: libgcc_tm.stamp; @true
 348 libgcc_tm.stamp:
 349         DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
 350                 $(srcdir)/mkheader.sh > tmp-libgcc_tm.h
 351         $(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
 352         echo timestamp > $@
 353
 354 # Only handle shared libraries if both:
 355 #   - the user requested them
 356 #   - we know how to build them
 357 ifeq ($(SHLIB_LINK),)
 358   enable_shared := no
 359 endif
 360
 361 ifeq ($(enable_shared),yes)
 362   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 363
 364   install-shared = install-shared
 365
 366   ifneq ($(LIBUNWIND),)
 367     install-libunwind = install-libunwind
 368   endif
 369 endif
 370
 371 # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
 372 # the command line, and a #define to prevent libgcc2.h etc from
 373 # overriding that with #pragmas.
 374 vis_hide = @vis_hide@
 375
 376 ifneq (,$(vis_hide))
 377
 378 # If we have -fvisibility=hidden, then we need to generate hide
 379 # lists for object files implemented in assembly.
 380 ASM_HIDDEN_OP = @asm_hidden_op@
 381
 382 define gen-hide-list
 383 $(NM) -pg $< | \
 384   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \
 385          && $$3 !~ /.*@.*/ \
 386          { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 387 mv -f $@T $@
 388 endef
 389 else
 390 gen-hide-list = echo > $@
 391 endif
 392
 393 ifneq ($(enable_shared),yes)
 394 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 395 endif
 396
 397 LIB2ADD += enable-execute-stack.c
 398
 399 # While emutls.c has nothing to do with EH, it is in LIB2ADDEH*
 400 # instead of LIB2ADD because that's the way to be sure on some targets
 401 # (e.g. *-*-darwin*) only one copy of it is linked.
 402 LIB2ADDEH += $(srcdir)/emutls.c
 403 LIB2ADDEHSTATIC += $(srcdir)/emutls.c
 404 LIB2ADDEHSHARED += $(srcdir)/emutls.c
 405
 406 # Library members defined in libgcc2.c.
 407 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 408             _clear_cache _trampoline __main _absvsi2 \
 409             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 410             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 411             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 412             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 413             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 414             _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 _clrsbdi2
 415
 416 # The floating-point conversion routines that involve a single-word integer.
 417 # XX stands for the integer mode.
 418 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 419
 420 # Likewise double-word routines.
 421 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 422                $(patsubst %,_fixuns%XX,sf df xf tf) \
 423                $(patsubst %,_floatXX%,sf df xf tf) \
 424                $(patsubst %,_floatunXX%,sf df xf tf)
 425
 426 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 427   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 428   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 429 endif
 430
 431 # These might cause a divide overflow trap and so are compiled with
 432 # unwinder info.
 433 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 434
 435 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 436 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 437 # in LIB2FUNCS_EXCLUDE.
 438 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 439 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 440                        $(LIB2_DIVMOD_FUNCS))
 441
 442 # Build "libgcc1" (assembly) components.
 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 $<
 454 ifeq ($(enable_shared),yes)
 455
 456 libgcc-s-objects += $(lib1asmfuncs-s-o)
 457
 458 endif
 459
 460 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 461 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 462 $(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c
 463         $(gcc_compile) -DL$* -c $< $(vis_hide)
 464 libgcc-objects += $(lib2funcs-o)
 465
 466 ifeq ($(enable_shared),yes)
 467 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 468 $(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c
 469         $(gcc_s_compile) -DL$* -c $<
 470 libgcc-s-objects += $(lib2funcs-s-o)
 471 endif
 472
 473 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 474 # Build libgcc2.c for each conversion function, with a specific
 475 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 476 # functions are built with a wordsize of 4; the TImode functions are
 477 # built with the same labels, but a wordsize of 8.
 478
 479 sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs)))
 480 difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs)))
 481 tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs)))
 482
 483 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 484 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 485 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 486
 487 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 488
 489 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 490 ifeq ($(enable_shared),yes)
 491 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 492 endif
 493 endif
 494
 495 ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
 496 # Provide default flags for compiling divmod functions, if they haven't been
 497 # set already by a target-specific Makefile fragment.
 498 LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
 499 endif
 500
 501 # Build LIB2_DIVMOD_FUNCS.
 502 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 503 $(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
 504         $(gcc_compile) -DL$* -c $< \
 505           $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide)
 506 libgcc-objects += $(lib2-divmod-o)
 507
 508 ifeq ($(enable_shared),yes)
 509 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 510 $(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c
 511         $(gcc_s_compile) -DL$* -c $< \
 512           $(LIB2_DIVMOD_EXCEPTION_FLAGS)
 513 libgcc-s-objects += $(lib2-divmod-s-o)
 514 endif
 515
 516 ifeq ($(TPBIT),)
 517 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 518 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 519 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 520 endif
 521
 522 FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS))
 523 DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS))
 524 TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS))
 525
 526 fpbit-src := $(srcdir)/fp-bit.c
 527
 528 # Build FPBIT.
 529 ifneq ($(FPBIT),)
 530 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 531 $(fpbit-o): %$(objext): $(fpbit-src)
 532         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide)
 533 libgcc-objects += $(fpbit-o)
 534
 535 ifeq ($(enable_shared),yes)
 536 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 537 $(fpbit-s-o): %_s$(objext): $(fpbit-src)
 538         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS)  -c $<
 539 libgcc-s-objects += $(fpbit-s-o)
 540 endif
 541 endif
 542
 543 # Build DPBIT.
 544 ifneq ($(DPBIT),)
 545 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 546 $(dpbit-o): %$(objext): $(fpbit-src)
 547         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide)
 548 libgcc-objects += $(dpbit-o)
 549
 550 ifeq ($(enable_shared),yes)
 551 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 552 $(dpbit-s-o): %_s$(objext): $(fpbit-src)
 553         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $<
 554 libgcc-s-objects += $(dpbit-s-o)
 555 endif
 556 endif
 557
 558 # Build TPBIT.
 559 ifneq ($(TPBIT),)
 560 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 561 $(tpbit-o): %$(objext): $(fpbit-src)
 562         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide)
 563 libgcc-objects += $(tpbit-o)
 564
 565 ifeq ($(enable_shared),yes)
 566 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 567 $(tpbit-s-o): %_s$(objext): $(fpbit-src)
 568         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $<
 569 libgcc-s-objects += $(tpbit-s-o)
 570 endif
 571 endif
 572
 573 # Build decimal floating point support.
 574 ifeq ($(decimal_float),yes)
 575
 576 # If $DFP_ENABLE is set, then we want all data type sizes.
 577 ifneq ($(DFP_ENABLE),)
 578 D32PBIT = 1
 579 D64PBIT = 1
 580 D128PBIT = 1
 581 endif
 582
 583 dfp-filenames =
 584 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 585 ifeq ($(enable_decimal_float),bid)
 586 dfp-filenames += bid_decimal_globals bid_decimal_data \
 587                  bid_binarydecimal bid_convert_data \
 588                  _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \
 589                  bid128_noncomp bid128_fma bid_round bid_from_int \
 590                  bid64_add bid128_add bid64_div bid128_div \
 591                  bid64_mul bid128_mul bid64_compare bid128_compare \
 592                  bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \
 593                  bid64_to_int32 bid64_to_int64 \
 594                  bid64_to_uint32 bid64_to_uint64 \
 595                  bid128_to_int32 bid128_to_int64 \
 596                  bid128_to_uint32 bid128_to_uint64
 597 else
 598 dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle
 599 endif
 600 endif
 601
 602 dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames))
 603 ifeq ($(enable_decimal_float),bid)
 604 $(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c
 605 else
 606 $(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 607 endif
 608         $(gcc_compile) -c $<
 609 libgcc-objects += $(dfp-objects)
 610
 611 decbits-filenames =
 612 ifneq ($(enable_decimal_float),bid)
 613 ifneq ($(D32PBIT),)
 614 decbits-filenames += decimal32
 615 endif
 616
 617 ifneq ($(D64PBIT),)
 618 decbits-filenames += decimal64
 619 endif
 620
 621 ifneq ($(D128PBIT),)
 622 decbits-filenames += decimal128
 623 endif
 624 endif
 625
 626 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
 627 ifeq ($(enable_decimal_float),bid)
 628 $(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c
 629 else
 630 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
 631 endif
 632         $(gcc_compile) -c $<
 633 libgcc-objects += $(decbits-objects)
 634
 635 # Next build individual support functions.
 636 D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \
 637         _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \
 638         _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \
 639         _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \
 640         _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \
 641         _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \
 642         _sd_to_dd _sd_to_td _unord_sd _conv_sd
 643
 644 D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \
 645         _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \
 646         _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \
 647         _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \
 648         _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \
 649         _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \
 650         _dd_to_sd _dd_to_td _unord_dd _conv_dd
 651
 652 D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \
 653         _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \
 654         _td_to_si _td_to_di _td_to_usi _td_to_udi \
 655         _si_to_td _di_to_td _usi_to_td _udi_to_td \
 656         _td_to_sf _td_to_df _td_to_xf _td_to_tf \
 657         _sf_to_td _df_to_td _xf_to_td _tf_to_td \
 658         _td_to_sd _td_to_dd _unord_td _conv_td
 659
 660 ifeq ($(enable_decimal_float),bid)
 661 ifneq ($(D32PBIT),)
 662 D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS))
 663 endif
 664
 665 ifneq ($(D64PBIT),)
 666 D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS))
 667 endif
 668
 669 ifneq ($(D128PBIT),)
 670 D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS))
 671 endif
 672 endif
 673
 674 ifneq ($(D32PBIT),)
 675 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 676 ifeq ($(enable_decimal_float),bid)
 677 $(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 678 else
 679 $(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 680 endif
 681         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 682 libgcc-objects += $(d32pbit-o)
 683 endif
 684
 685 ifneq ($(D64PBIT),)
 686 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 687 ifeq ($(enable_decimal_float),bid)
 688 $(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 689 else
 690 $(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 691 endif
 692         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 693 libgcc-objects += $(d64pbit-o)
 694 endif
 695
 696 ifneq ($(D128PBIT),)
 697 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 698 ifeq ($(enable_decimal_float),bid)
 699 $(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c
 700 else
 701 $(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c
 702 endif
 703         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 704 libgcc-objects += $(d128pbit-o)
 705 endif
 706
 707 endif
 708
 709 ifeq ($(SYNC),yes)
 710 libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \
 711                             sync_fetch_and_$(op) \
 712                             sync_$(op)_and_fetch) \
 713                           sync_bool_compare_and_swap \
 714                           sync_val_compare_and_swap \
 715                           sync_lock_test_and_set
 716
 717 libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \
 718                             $(foreach suffix, 1 2 4 8 16, \
 719                               $(prefix)_$(suffix)))
 720
 721 libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs))
 722 $(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c
 723         $(gcc_compile) $(SYNC_CFLAGS) \
 724           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 725           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 726           -c $< $(vis_hide)
 727 libgcc-objects += $(libgcc-sync-size-funcs-o)
 728
 729 libgcc-sync-funcs := sync_synchronize
 730
 731 libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs))
 732 $(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c
 733         $(gcc_compile) $(SYNC_CFLAGS) \
 734           -DL$* \
 735           -c $< $(vis_hide)
 736 libgcc-objects += $(libgcc-sync-funcs-o)
 737
 738 ifeq ($(enable_shared),yes)
 739 libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \
 740                                $(libgcc-sync-size-funcs))
 741 $(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
 742         $(gcc_s_compile) $(SYNC_CFLAGS) \
 743           -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \
 744           -DSIZE=`echo "$*" | sed 's/.*_//'` \
 745           -c $<
 746 libgcc-s-objects += $(libgcc-sync-size-funcs-s-o)
 747
 748 libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs))
 749 $(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c
 750         $(gcc_s_compile) $(SYNC_CFLAGS) \
 751           -DL$* \
 752           -c $<
 753 libgcc-s-objects += $(libgcc-sync-funcs-s-o)
 754 endif
 755 endif
 756
 757 # Build fixed-point support.
 758 ifeq ($(fixed_point),yes)
 759
 760 # Generate permutations of function name and mode
 761 fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels)
 762 fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs)
 763 fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes)
 764
 765 # Generate the rules for each arithmetic function
 766 iter-items := $(fixed-funcs)
 767 iter-labels := $(fixed-labels)
 768 iter-from := $(fixed-modes)
 769 iter-to := $(fixed-modes)
 770 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 771
 772 # Add arithmetic functions to list of objects to be built
 773 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
 774 ifeq ($(enable_shared),yes)
 775 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs)))
 776 endif
 777
 778 # Convert from or to fractional
 779 fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs)
 780 fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels)
 781 fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from)
 782 fixed-conv-to :=  $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to)
 783
 784 # Generate the make rules for each conversion function
 785 iter-items := $(fixed-conv-funcs)
 786 iter-labels := $(fixed-conv-labels)
 787 iter-from := $(fixed-conv-from)
 788 iter-to := $(fixed-conv-to)
 789 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items))
 790
 791 # Add conversion functions to list of objects to be built
 792 libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
 793 ifeq ($(enable_shared),yes)
 794 libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs)))
 795 endif
 796
 797 endif
 798
 799 # Build LIB2ADD and LIB2ADD_ST.
 800 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 801 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 802 endif
 803
 804 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 805 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 806
 807 c_flags :=
 808 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 809 include $(iterator)
 810
 811 ifeq ($(enable_shared),yes)
 812 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 813 endif
 814
 815 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 816 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 817 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 818
 819 c_flags := -fexceptions
 820
 821 ifeq ($(enable_shared),yes)
 822
 823 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 824 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 825
 826 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 827 include $(iterator)
 828
 829 else
 830 # Not shared.  LIB2ADDEH are added to libgcc.a.
 831
 832 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 833
 834 iter-items := $(LIB2ADDEH)
 835 include $(iterator)
 836
 837 endif
 838
 839 # Build LIBUNWIND. Use -fno-exceptions so that the unwind library does
 840 # not generate calls to __gcc_personality_v0.
 841
 842 c_flags := -fno-exceptions
 843
 844 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 845
 846 ifeq ($(enable_shared),yes)
 847 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 848 endif
 849
 850 iter-items := $(LIBUNWIND)
 851 include $(iterator)
 852
 853 # Build libgcov components.
 854
 855 # Defined in libgcov.c, included only in gcov library
 856 LIBGCOV = _gcov _gcov_merge_add _gcov_merge_single _gcov_merge_delta \
 857     _gcov_fork _gcov_execl _gcov_execlp _gcov_execle \
 858     _gcov_execv _gcov_execvp _gcov_execve _gcov_reset _gcov_dump \
 859     _gcov_interval_profiler _gcov_pow2_profiler _gcov_one_value_profiler \
 860     _gcov_indirect_call_profiler _gcov_average_profiler _gcov_ior_profiler \
 861     _gcov_merge_ior _gcov_indirect_call_profiler_v2
 862
 863 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 864
 865 $(libgcov-objects): %$(objext): $(srcdir)/libgcov.c
 866         $(gcc_compile) -DL$* -c $(srcdir)/libgcov.c
 867
 868
 869 # Static libraries.
 870 libgcc.a: $(libgcc-objects)
 871 libgcov.a: $(libgcov-objects)
 872 libunwind.a: $(libunwind-objects)
 873 libgcc_eh.a: $(libgcc-eh-objects)
 874
 875 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 876         -rm -f $@
 877
 878         objects="$(objects)";                                   \
 879         if test -z "$$objects"; then                            \
 880           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 881           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 882              -o eh_dummy$(objext);                              \
 883           objects=eh_dummy$(objext);                            \
 884         fi;                                                     \
 885         $(AR_CREATE_FOR_TARGET) $@ $$objects
 886
 887         $(RANLIB) $@
 888
 889 all: libgcc.a libgcov.a
 890
 891 ifneq ($(LIBUNWIND),)
 892 all: libunwind.a
 893 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 894 endif
 895
 896 ifeq ($(enable_shared),yes)
 897 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 898 ifneq ($(LIBUNWIND),)
 899 all: libunwind$(SHLIB_EXT)
 900 endif
 901 endif
 902
 903 ifeq ($(enable_shared),yes)
 904
 905 # Map-file generation.
 906 ifneq ($(SHLIB_MKMAP),)
 907 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 908         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 909           cat $(SHLIB_MAPFILES) \
 910             | sed -e '/^[       ]*#/d' \
 911                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 912             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 913         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 914         mv tmp-$@ $@
 915 libgcc_s$(SHLIB_EXT): libgcc.map
 916 mapfile = libgcc.map
 917 endif
 918
 919 libgcc-std.ver: $(srcdir)/libgcc-std.ver.in
 920         sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \
 921             -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@
 922
 923 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a
 924         # @multilib_flags@ is still needed because this may use
 925         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 926         # @multilib_dir@ is not really necessary, but sometimes it has
 927         # more uses than just a directory name.
 928         $(mkinstalldirs) $(MULTIDIR)
 929         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 930                 @multilib_dir@,$(MULTIDIR),$(subst \
 931                 @shlib_objs@,$(objects) libgcc.a,$(subst \
 932                 @shlib_base_name@,libgcc_s,$(subst \
 933                 @shlib_map_file@,$(mapfile),$(subst \
 934                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \
 935                 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK))))))))
 936
 937 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 938         # @multilib_flags@ is still needed because this may use
 939         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 940         # @multilib_dir@ is not really necessary, but sometimes it has
 941         # more uses than just a directory name.
 942         $(mkinstalldirs) $(MULTIDIR)
 943         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 944                 @multilib_dir@,$(MULTIDIR),$(subst \
 945                 @shlib_objs@,$(objects),$(subst \
 946                 @shlib_base_name@,libunwind,$(subst \
 947                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 948
 949 endif
 950
 951 # Build the standard GCC startfiles and endfiles.
 952 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 953 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 954
 955 ifeq ($(CUSTOM_CRTSTUFF),)
 956 # Compile two additional files that are linked with every program
 957 # linked using GCC on systems using COFF or ELF, for the sake of C++
 958 # constructors.
 959 crtbegin$(objext): $(srcdir)/crtstuff.c
 960         $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN
 961
 962 crtend$(objext): $(srcdir)/crtstuff.c
 963         $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END
 964
 965 # These are versions of crtbegin and crtend for shared libraries.
 966 crtbeginS$(objext): $(srcdir)/crtstuff.c
 967         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O
 968
 969 crtendS$(objext): $(srcdir)/crtstuff.c
 970         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O
 971
 972 # This is a version of crtbegin for -static links.
 973 crtbeginT$(objext): $(srcdir)/crtstuff.c
 974         $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O
 975
 976 ifeq ($(enable_vtable_verify),yes)
 977 # These are used in vtable verification; see comments in source files for
 978 # more details.
 979 vtv_start$(objext): $(srcdir)/vtv_start.c
 980         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_start.c
 981
 982 vtv_end$(objext): $(srcdir)/vtv_end.c
 983         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_end.c
 984
 985 vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c
 986         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_start_preinit.c
 987
 988 vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c
 989         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $(srcdir)/vtv_end_preinit.c
 990 endif
 991 endif
 992
 993 ifeq ($(CUSTOM_CRTIN),)
 994 # -x assembler-with-cpp is only needed on case-insensitive filesystem.
 995 crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S
 996         $(crt_compile) -c -x assembler-with-cpp $<
 997
 998 crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S
 999         $(crt_compile) -c -x assembler-with-cpp $<
1000 endif
1001
1002 # Build extra startfiles in the libgcc directory.
1003 .PHONY: libgcc-extra-parts
1004 libgcc-extra-parts: $(EXTRA_PARTS)
1005
1006         # Early copyback; see "all" above for the rationale.  The
1007         # early copy is necessary so that the gcc -B options find
1008         # the right startup files when linking shared libgcc.
1009         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
1010         parts="$(EXTRA_PARTS)";                                 \
1011         for file in $$parts; do                                 \
1012           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
1013           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
1014           case $$file in                                        \
1015             *.a)                                                \
1016               $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;   \
1017           esac;                                                 \
1018         done
1019
1020 all: $(extra-parts)
1021
1022 $(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
1023         $(libgcov-objects) \
1024         $(libunwind-objects) $(libunwind-s-objects) \
1025         $(EXTRA_PARTS): libgcc_tm.h
1026
1027 # Copy unwind.h to the place where gcc will look for it at build-time
1028 install-unwind_h-forbuild:
1029         dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
1030         cp unwind.h $$dest; \
1031         chmod a+r $$dest; \
1032         sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h
1033
1034 # Copy unwind.h to the place where gcc will look at run-time, once installed
1035 #
1036 # This is redundant with the internal copy above when using a regular toplevel
1037 # "install" target, because gcc's install will copy to the destination as well.
1038 #
1039 # This is however useful for "install-no-fixincludes" case, when only the gcc
1040 # internal headers are copied by gcc's install.
1041 install-unwind_h:
1042         $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include
1043         $(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include
1044
1045 all: install-unwind_h-forbuild
1046
1047 # Documentation targets (empty).
1048 .PHONY: info html dvi pdf install-info install-html install-pdf
1049
1050 info:
1051 install-info:
1052 html:
1053 install-html:
1054 dvi:
1055 pdf:
1056 install-pdf:
1057
1058 # Install rules.  These do not depend on "all", so that they can be invoked
1059 # recursively from it.
1060 install-libunwind:
1061         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
1062
1063         # NOTE: Maybe this should go into $(inst_libdir), but this
1064         # is where the old mklibgcc.in put it.
1065         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
1066         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
1067         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
1068
1069         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1070                 @shlib_base_name@,libunwind,$(subst \
1071                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
1072
1073 install-shared:
1074         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1075
1076         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
1077         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1078         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
1079
1080         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
1081                 @shlib_base_name@,libgcc_s,$(subst \
1082                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
1083
1084 install-leaf: $(install-shared) $(install-libunwind)
1085         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
1086
1087         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
1088         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
1089         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
1090         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
1091         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
1092         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
1093
1094         parts="$(INSTALL_PARTS)";                               \
1095         for file in $$parts; do                                 \
1096           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
1097           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
1098           case $$file in                                        \
1099             *.a)                                                \
1100               $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;;   \
1101           esac;                                                 \
1102         done
1103
1104 install: install-leaf install-unwind_h
1105         @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
1106
1107 install-strip: install
1108
1109 .PHONY: install install-shared install-libunwind install-strip
1110 .PHONY: install-unwind_h install-unwind_h-forbuild
1111
1112 # Don't export variables to the environment, in order to not confuse
1113 # configure.
1114 .NOEXPORT:
1115
1116 include $(srcdir)/empty.mk $(wildcard *.dep)