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
  41 host_noncanonical = @host_noncanonical@
  42
  43 # List of extra object files that should be compiled for this target machine.
  44 # The rules for compiling them should be in the t-* file for the machine.
  45 EXTRA_PARTS = @extra_parts@
  46
  47 # Multilib support variables.
  48 MULTISRCTOP =
  49 MULTIBUILDTOP =
  50 MULTIDIRS =
  51 MULTISUBDIR =
  52 MULTIDO = true
  53 MULTICLEAN = true
  54
  55 INSTALL = @INSTALL@
  56 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  57 INSTALL_DATA = @INSTALL_DATA@
  58 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  59
  60 objext = .o
  61
  62 AR = @AR@
  63 AR_FLAGS = rc
  64
  65 CC = @CC@
  66 CFLAGS = @CFLAGS@
  67 RANLIB = @RANLIB@
  68 LN_S = @LN_S@
  69
  70 PWD_COMMAND = $${PWDCMD-pwd}
  71
  72 # Flags to pass to a recursive make.
  73 FLAGS_TO_PASS = \
  74         "AR=$(AR)" \
  75         "AR_FLAGS=$(AR_FLAGS)" \
  76         "CC=$(CC)" \
  77         "CFLAGS=$(CFLAGS)" \
  78         "DESTDIR=$(DESTDIR)" \
  79         "EXTRA_OFILES=$(EXTRA_OFILES)" \
  80         "HDEFINES=$(HDEFINES)" \
  81         "INSTALL=$(INSTALL)" \
  82         "INSTALL_DATA=$(INSTALL_DATA)" \
  83         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
  84         "LDFLAGS=$(LDFLAGS)" \
  85         "LOADLIBES=$(LOADLIBES)" \
  86         "RANLIB=$(RANLIB)" \
  87         "SHELL=$(SHELL)" \
  88         "prefix=$(prefix)" \
  89         "exec_prefix=$(exec_prefix)" \
  90         "libdir=$(libdir)" \
  91         "libsubdir=$(libsubdir)" \
  92         "tooldir=$(tooldir)"
  93
  94 # Dependencies for "all" are set later in the file.
  95 all: all-multi
  96         # Now that we have built all the objects, we need to copy
  97         # them back to the GCC directory.  Too many things (other
  98         # in-tree libraries, and DejaGNU) know about the layout
  99         # of the build tree, for now.
 100         $(MAKE) install DESTDIR=$(gcc_objdir) \
 101           slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
 102
 103 .PHONY: all-multi
 104 all-multi:
 105         # If this is the top-level multilib, build all the other
 106         # multilibs.
 107         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 108
 109 .PHONY: check installcheck
 110 check:
 111 installcheck:
 112
 113 .PHONY: all clean
 114
 115 clean:
 116         -rm -f config.h stamp-h stmp-ldirs libgcc.map
 117         -rm -f *$(objext)
 118         -rm -f *.dep
 119         -rm -f *.a
 120         -rm -f libunwind$(SHLIB_EXT)
 121         -rm -f libgcc_s*
 122         @$(MULTICLEAN) multi-clean DO=clean
 123 distclean: clean
 124         @$(MULTICLEAN) multi-clean DO=distclean
 125         -rm -f *~ Makefile config.cache config.status multilib.out
 126         -rm -f config.log
 127 maintainer-clean realclean: distclean
 128
 129 Makefile: $(srcdir)/Makefile.in config.status
 130         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 131
 132 # Depending on Makefile makes sure that config.status has been re-run
 133 # if needed.  This prevents problems with parallel builds.
 134 config.h: stamp-h ; @true
 135 stamp-h: $(srcdir)/config.in config.status Makefile
 136         CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
 137
 138 config.status: $(srcdir)/configure
 139         $(SHELL) ./config.status --recheck
 140
 141 include $(gcc_objdir)/libgcc.mvars
 142
 143 # Flags to pass to recursive makes.
 144
 145 AR_FOR_TARGET = $(AR)
 146 AR_FLAGS_FOR_TARGET =
 147 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
 148 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
 149 AWK = @AWK@
 150 GCC_FOR_TARGET = $(CC)
 151 LIPO = @LIPO@
 152 LIPO_FOR_TARGET = $(LIPO)
 153 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 154 NM = @NM@
 155 NM_FOR_TARGET = $(NM)
 156 RANLIB_FOR_TARGET = $(RANLIB)
 157 STRIP = @STRIP@
 158 STRIP_FOR_TARGET = $(STRIP)
 159
 160 # Directory in which the compiler finds libraries etc.
 161 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 162 # Used to install the shared libgcc.
 163 slibdir = @slibdir@
 164
 165 export AR_FOR_TARGET
 166 export AR_CREATE_FOR_TARGET
 167 export AR_FLAGS_FOR_TARGET
 168 export AR_EXTRACT_FOR_TARGET
 169 export AWK
 170 export DESTDIR
 171 export GCC_FOR_TARGET
 172 export INCLUDES
 173 export INSTALL_DATA
 174 export LIB1ASMSRC
 175 export LIBGCC2_CFLAGS
 176 export LIPO_FOR_TARGET
 177 export MACHMODE_H
 178 export NM_FOR_TARGET
 179 export STRIP_FOR_TARGET
 180 export RANLIB_FOR_TARGET
 181 export libsubdir
 182 export slibdir
 183
 184 version := $(shell $(CC) -dumpversion)
 185
 186 DECNUMINC = -I$(srcdir)/../libdecnumber -I$(MULTIBUILDTOP)../../libdecnumber
 187
 188 # Specify the directories to be searched for header files.
 189 # Both . and srcdir are used, in that order,
 190 # so that *config.h will be found in the compilation
 191 # subdirectory rather than in the source directory.
 192 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
 193 # currently being compiled, in both source trees, to be examined as well.
 194 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
 195            -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
 196            -I$(srcdir)/../include $(DECNUMINC)
 197
 198 # Forcibly remove any profiling-related flags.  There is no point
 199 # in supporting profiled bootstrap in this library.
 200 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
 201
 202 # CFLAGS first is not perfect; normally setting CFLAGS should override any
 203 # options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
 204 # will usually contain -g, so for the moment CFLAGS goes first.  We must
 205 # include CFLAGS - that's where multilib options live.
 206 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) $(INCLUDES)
 207
 208 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 209 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 210
 211 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 212 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 213 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 214
 215 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
 216 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
 217 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
 218 gcc_s_compile = $(gcc_compile) -DSHARED
 219
 220 objects = $(filter %$(objext),$^)
 221
 222 # Collect any host-specific information from Makefile fragments.
 223 tmake_file = @tmake_file@
 224 include $(srcdir)/empty.mk $(tmake_file)
 225
 226 # Only handle shared libraries if both:
 227 #   - the user requested them
 228 #   - we know how to build them
 229 ifeq ($(SHLIB_LINK),)
 230   enable_shared := no
 231 endif
 232
 233 ifeq ($(enable_shared),yes)
 234   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 235
 236   install-shared = install-shared
 237
 238   ifneq ($(LIBUNWIND),)
 239     install-libunwind = install-libunwind
 240   endif
 241
 242 # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
 243 # the command line, and a #define to prevent libgcc2.h etc from
 244 # overriding that with #pragmas.
 245 vis_hide = @vis_hide@
 246
 247 ifneq (,$(vis_hide))
 248
 249 # If we have -fvisibility=hidden, then we need to generate hide
 250 # lists for object files implemented in assembly.
 251 ASM_HIDDEN_OP = @asm_hidden_op@
 252
 253 define gen-hide-list
 254 $(NM) -pg $< | \
 255   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 256 mv -f $@T $@
 257 endef
 258 else
 259 gen-hide-list = echo > $@
 260 endif
 261
 262 else
 263 # Not enable_shared.
 264 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 265 vis_hide =
 266 gen-hide-list = echo > \$@
 267 endif
 268
 269 ifneq ($(EXTRA_PARTS),)
 270   extra-parts = libgcc-extra-parts
 271   INSTALL_PARTS = $(EXTRA_PARTS)
 272 else
 273 ifneq ($(GCC_EXTRA_PARTS),)
 274   extra-parts = gcc-extra-parts
 275   INSTALL_PARTS = $(GCC_EXTRA_PARTS)
 276 endif
 277 endif
 278
 279 # Library members defined in libgcc2.c.
 280 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 281             _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
 282             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 283             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 284             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 285             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 286             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 287             _divtc3 _bswapsi2 _bswapdi2
 288
 289 # The floating-point conversion routines that involve a single-word integer.
 290 # XX stands for the integer mode.
 291 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 292
 293 # Likewise double-word routines.
 294 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 295                $(patsubst %,_fixuns%XX,sf df xf tf) \
 296                $(patsubst %,_floatXX%,sf df xf tf) \
 297                $(patsubst %,_floatunXX%,sf df xf tf)
 298
 299 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 300   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 301   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 302 endif
 303
 304 # These might cause a divide overflow trap and so are compiled with
 305 # unwinder info.
 306 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 307
 308 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 309 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 310 # in LIB2FUNCS_EXCLUDE.
 311 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 312 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 313                        $(LIB2_DIVMOD_FUNCS))
 314
 315 # Build "libgcc1" (assembly) components.
 316 ifeq ($(enable_shared),yes)
 317
 318 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 319 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
 320         $(gcc_compile) -DL$* -xassembler-with-cpp \
 321           -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
 322 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
 323         $(gen-hide-list)
 324 libgcc-objects += $(lib1asmfuncs-o)
 325
 326 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
 327 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 328         $(gcc_s_compile) -DL$* -xassembler-with-cpp \
 329           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 330 libgcc-s-objects += $(lib1asmfuncs-s-o)
 331
 332 else
 333
 334 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 335 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 336         $(gcc_compile) -DL$* -xassembler-with-cpp \
 337           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 338 libgcc-objects += $(lib1asmfuncs-o)
 339
 340 endif
 341
 342 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 343 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 344 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 345         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 346           $(vis_hide)
 347 libgcc-objects += $(lib2funcs-o)
 348
 349 ifeq ($(enable_shared),yes)
 350 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 351 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 352         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
 353 libgcc-s-objects += $(lib2funcs-s-o)
 354 endif
 355
 356 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 357 # Build libgcc2.c for each conversion function, with a specific
 358 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 359 # functions are built with a wordsize of 4; the TImode functions are
 360 # built with the same labels, but a wordsize of 8.
 361
 362 sifuncs = $(subst XX,si,$(swfloatfuncs))
 363 difuncs = $(subst XX,di,$(dwfloatfuncs))
 364 tifuncs = $(subst XX,ti,$(dwfloatfuncs))
 365
 366 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 367 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 368 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 369
 370 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 371
 372 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 373 ifeq ($(enable_shared),yes)
 374 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 375 endif
 376 endif
 377
 378 # Build LIB2_DIVMOD_FUNCS.
 379 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 380 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 381         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 382           -fexceptions -fnon-call-exceptions $(vis_hide)
 383 libgcc-objects += $(lib2-divmod-o)
 384
 385 ifeq ($(enable_shared),yes)
 386 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 387 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 388         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 389           -fexceptions -fnon-call-exceptions
 390 libgcc-s-objects += $(lib2-divmod-s-o)
 391 endif
 392
 393 # $(FPBIT) et al. are pathnames relative to the GCC build
 394 # directory; the supporting files are made by the GCC
 395 # Makefile.
 396 # FIXME: Soon we will be able to move this logic into this directory.
 397
 398 ifneq ($(fpbit-in-libgcc),yes)
 399 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
 400 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
 401 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
 402 endif
 403
 404 ifeq ($(TPBIT),)
 405 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 406 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 407 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 408 endif
 409
 410 # Build FPBIT.
 411 ifneq ($(FPBIT),)
 412 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 413 $(fpbit-o): %$(objext): $(FPBIT)
 414         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
 415 libgcc-objects += $(fpbit-o)
 416
 417 ifeq ($(enable_shared),yes)
 418 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 419 $(fpbit-s-o): %_s$(objext): $(FPBIT)
 420         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
 421 libgcc-s-objects += $(fpbit-s-o)
 422 endif
 423 endif
 424
 425 # Build DPBIT.
 426 ifneq ($(DPBIT),)
 427 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 428 $(dpbit-o): %$(objext): $(DPBIT)
 429         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
 430 libgcc-objects += $(dpbit-o)
 431
 432 ifeq ($(enable_shared),yes)
 433 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 434 $(dpbit-s-o): %_s$(objext): $(DPBIT)
 435         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
 436 libgcc-s-objects += $(dpbit-s-o)
 437 endif
 438 endif
 439
 440 # Build TPBIT.
 441 ifneq ($(TPBIT),)
 442 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 443 $(tpbit-o): %$(objext): $(TPBIT)
 444         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
 445 libgcc-objects += $(tpbit-o)
 446
 447 ifeq ($(enable_shared),yes)
 448 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 449 $(tpbit-s-o): %_s$(objext): $(TPBIT)
 450         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
 451 libgcc-s-objects += $(tpbit-s-o)
 452 endif
 453 endif
 454
 455 # Build decimal floating point support.
 456 ifeq ($(decimal_float),yes)
 457
 458 # If $DFP_ENABLE is set, then we want all data type sizes.
 459 ifneq ($(DFP_ENABLE),)
 460 D32PBIT = 1
 461 D64PBIT = 1
 462 D128PBIT = 1
 463 endif
 464
 465 dec-filenames =
 466 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 467 dec-filenames += decContext decNumber decExcept decRound decLibrary decUtility
 468 endif
 469
 470 ifneq ($(D32PBIT),)
 471 dec-filenames += decimal32
 472 endif
 473
 474 ifneq ($(D64PBIT),)
 475 dec-filenames += decimal64
 476 endif
 477
 478 ifneq ($(D128PBIT),)
 479 dec-filenames += decimal128
 480 endif
 481
 482 dec-objects = $(patsubst %,%$(objext),$(dec-filenames))
 483 $(dec-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 484         $(gcc_compile) -c $<
 485 libgcc-objects += $(dec-objects)
 486
 487 # Next build individual support functions.
 488 ifneq ($(D32PBIT),)
 489 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 490 $(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 491         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 492 libgcc-objects += $(d32pbit-o)
 493 endif
 494
 495 ifneq ($(D64PBIT),)
 496 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 497 $(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 498         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 499 libgcc-objects += $(d64pbit-o)
 500 endif
 501
 502 ifneq ($(D128PBIT),)
 503 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 504 $(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 505         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 506 libgcc-objects += $(d128pbit-o)
 507 endif
 508
 509 endif
 510
 511 # Build LIB2ADD and LIB2ADD_ST.
 512 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 513 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 514 endif
 515
 516 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 517 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 518
 519 c_flags :=
 520 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 521 include $(iterator)
 522
 523 ifeq ($(enable_shared),yes)
 524 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 525 endif
 526
 527 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 528 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 529 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 530
 531 c_flags := -fexceptions
 532
 533 ifeq ($(enable_shared),yes)
 534
 535 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 536 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 537
 538 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 539 include $(iterator)
 540
 541 else
 542 # Not shared.  LIB2ADDEH are added to libgcc.a.
 543
 544 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 545
 546 iter-items := $(LIB2ADDEH)
 547 include $(iterator)
 548
 549 endif
 550
 551 # Build LIBUNWIND.
 552
 553 c_flags := -fexceptions
 554
 555 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 556
 557 ifeq ($(enable_shared),yes)
 558 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 559 endif
 560
 561 iter-items := $(LIBUNWIND)
 562 include $(iterator)
 563
 564 # Build libgcov components.
 565 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 566 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
 567         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
 568
 569
 570 # Static libraries.
 571 libgcc.a: $(libgcc-objects)
 572 libgcov.a: $(libgcov-objects)
 573 libunwind.a: $(libunwind-objects)
 574 libgcc_eh.a: $(libgcc-eh-objects)
 575
 576 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 577         -rm -f $@
 578
 579         objects="$(objects)";                                   \
 580         if test -z "$$objects"; then                            \
 581           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 582           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 583              -o eh_dummy$(objext);                              \
 584           objects=eh_dummy$(objext);                            \
 585         fi;                                                     \
 586         $(AR_CREATE_FOR_TARGET) $@ $$objects
 587
 588         $(RANLIB) $@
 589
 590 all: libgcc.a libgcov.a
 591
 592 ifneq ($(LIBUNWIND),)
 593 all: libunwind.a
 594 endif
 595
 596 ifeq ($(enable_shared),yes)
 597 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 598 ifneq ($(LIBUNWIND),)
 599 all: libunwind$(SHLIB_EXT)
 600 endif
 601 endif
 602
 603 ifeq ($(enable_shared),yes)
 604
 605 # Map-file generation.
 606 ifneq ($(SHLIB_MKMAP),)
 607 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 608         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 609           cat $(SHLIB_MAPFILES) \
 610             | sed -e '/^[       ]*#/d' \
 611                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 612             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 613         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 614         mv tmp-$@ $@
 615 libgcc_s$(SHLIB_EXT): libgcc.map
 616 mapfile = libgcc.map
 617 endif
 618
 619 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 620         # @multilib_flags@ is still needed because this may use
 621         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 622         # @multilib_dir@ is not really necessary, but sometimes it has
 623         # more uses than just a directory name.
 624         $(mkinstalldirs) $(MULTIDIR)
 625         $(subst @multilib_flags@,$(CFLAGS),$(subst \
 626                 @multilib_dir@,$(MULTIDIR),$(subst \
 627                 @shlib_objs@,$(objects),$(subst \
 628                 @shlib_base_name@,libgcc_s,$(subst \
 629                 @shlib_map_file@,$(mapfile),$(subst \
 630                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_LINK)))))))
 631
 632 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 633         # @multilib_flags@ is still needed because this may use
 634         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 635         # @multilib_dir@ is not really necessary, but sometimes it has
 636         # more uses than just a directory name.
 637         $(mkinstalldirs) $(MULTIDIR)
 638         $(subst @multilib_flags@,$(CFLAGS),$(subst \
 639                 @multilib_dir@,$(MULTIDIR),$(subst \
 640                 @shlib_objs@,$(objects),$(subst \
 641                 @shlib_base_name@,libunwind,$(subst \
 642                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 643
 644 endif
 645
 646 # Build the standard GCC startfiles and endfiles.
 647 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 648 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 649
 650 ifeq ($(CUSTOM_CRTSTUFF),)
 651 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
 652         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 653           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
 654
 655 crtend$(objext): $(gcc_srcdir)/crtstuff.c
 656         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 657           -c $(gcc_srcdir)/crtstuff.c -DCRT_END
 658
 659 # These are versions of crtbegin and crtend for shared libraries.
 660 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
 661         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 662           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
 663
 664 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
 665         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 666           -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
 667
 668 # This is a version of crtbegin for -static links.
 669 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
 670         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 671           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
 672 endif
 673
 674 # Build extra startfiles in the libgcc directory.
 675 .PHONY: libgcc-extra-parts
 676 libgcc-extra-parts: $(EXTRA_PARTS)
 677 ifneq ($(GCC_EXTRA_PARTS),)
 678 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
 679         # If the gcc directory specifies which extra parts to
 680         # build for this target, and the libgcc configuration also
 681         # specifies, make sure they match.  This can be removed
 682         # when the gcc directory no longer holds libgcc configuration;
 683         # it is useful when migrating a target.
 684         @echo "Configuration mismatch!"
 685         @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
 686         @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
 687         exit 1
 688 endif
 689 endif
 690
 691         # Early copyback; see "all" above for the rationale.  The
 692         # early copy is necessary so that the gcc -B options find
 693         # the right startup files when linking shared libgcc.
 694         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 695         parts="$(EXTRA_PARTS)";                                 \
 696         for file in $$parts; do                                 \
 697           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 698           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 699         done
 700
 701 # Build extra startfiles in the gcc directory, for unconverted
 702 # targets.
 703 .PHONY: gcc-extra-parts
 704 gcc-extra-parts:
 705         # Recursively invoke make in the GCC directory to build any
 706         # startfiles (for now).  We must do this just once, passing
 707         # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
 708         # so that rules which cannot execute simultaneously are properly
 709         # serialized.  We indirect through T_TARGET in case any multilib
 710         # directories contain an equals sign, to prevent make from
 711         # interpreting any of the goals as variable assignments.
 712
 713         # We must use cd && make rather than make -C, or else the stage
 714         # number will be embedded in debug information.
 715
 716         T=`$(PWD_COMMAND)`/ \
 717         && cd $(gcc_objdir) \
 718         && $(MAKE) GCC_FOR_TARGET="$(CC)" \
 719           MULTILIB_CFLAGS="$(CFLAGS)" \
 720           T=$$T \
 721           T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
 722           T_TARGET
 723
 724         # Early copyback; see "all" above for the rationale.  The
 725         # early copy is necessary so that the gcc -B options find
 726         # the right startup files when linking shared libgcc.
 727         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 728         parts="$(GCC_EXTRA_PARTS)";                             \
 729         for file in $$parts; do                                 \
 730           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 731           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 732         done
 733
 734 all: $(extra-parts)
 735
 736 # Documentation targets (empty).
 737 .PHONY: info html dvi pdf
 738
 739 info:
 740
 741 html:
 742
 743 dvi:
 744
 745 pdf:
 746
 747 # Install rules.  These do not depend on "all", so that they can be invoked
 748 # recursively from it.
 749 install-libunwind:
 750         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
 751
 752         # NOTE: Maybe this should go into $(inst_libdir), but this
 753         # is where the old mklibgcc.in put it.
 754         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
 755         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
 756         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
 757
 758         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 759                 @shlib_base_name@,libunwind,$(subst \
 760                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
 761
 762 install-shared:
 763         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 764
 765         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
 766         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 767         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 768
 769         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 770                 @shlib_base_name@,libgcc_s,$(subst \
 771                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
 772
 773 install: $(install-shared) $(install-libunwind)
 774         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 775
 776         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
 777         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
 778         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
 779         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
 780         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
 781         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
 782
 783         parts="$(INSTALL_PARTS)";                               \
 784         for file in $$parts; do                                 \
 785           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
 786           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
 787         done
 788
 789         @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
 790
 791 .PHONY: install install-shared install-libunwind
 792
 793 # Don't export variables to the environment, in order to not confuse
 794 # configure.
 795 .NOEXPORT:
 796
 797 include $(srcdir)/empty.mk $(wildcard *.dep)
 798
 799 # TODO QUEUE:
 800 #   Garbage collect in gcc/:
 801 #     $(LIBGCC) settings in t-* are now unused
 802 #
 803 #   Remove use of $(gcc_srcdir).  Source files referenced using $(gcc_srcdir)
 804 #   should move into the libgcc directory.
 805