libgcc/Makefile.in

   1 # Makefile.in
   2
   3 # Copyright (C) 2005, 2006 Free Software Foundation
   4 #
   5 # This file is part of GCC.
   6 #
   7 # GCC is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU Library General Public License as published by the Free
   9 # Software Foundation; either version 2 of the License, or (at your option)
  10 # any later version.
  11 #
  12 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15 # more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with GCC; see the file COPYING.  If not, write to the Free Software
  19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
  20 # USA.
  21 #
  22
  23 libgcc_topdir = @libgcc_topdir@
  24 host_subdir = @host_subdir@
  25
  26 gcc_srcdir = $(libgcc_topdir)/gcc
  27 gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc
  28
  29 srcdir = @srcdir@
  30
  31 prefix = @prefix@
  32
  33 exec_prefix = @exec_prefix@
  34 libdir = @libdir@
  35
  36 SHELL = @SHELL@
  37
  38 enable_shared = @enable_shared@
  39 decimal_float = @decimal_float@
  40 enable_decimal_float = @enable_decimal_float@
  41
  42 host_noncanonical = @host_noncanonical@
  43
  44 # List of extra object files that should be compiled for this target machine.
  45 # The rules for compiling them should be in the t-* file for the machine.
  46 EXTRA_PARTS = @extra_parts@
  47
  48 # Multilib support variables.
  49 MULTISRCTOP =
  50 MULTIBUILDTOP =
  51 MULTIDIRS =
  52 MULTISUBDIR =
  53 MULTIDO = true
  54 MULTICLEAN = true
  55
  56 INSTALL = @INSTALL@
  57 INSTALL_PROGRAM = @INSTALL_PROGRAM@
  58 INSTALL_DATA = @INSTALL_DATA@
  59 mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs
  60
  61 objext = .o
  62
  63 AR = @AR@
  64 AR_FLAGS = rc
  65
  66 CC = @CC@
  67 CFLAGS = @CFLAGS@
  68 RANLIB = @RANLIB@
  69 LN_S = @LN_S@
  70
  71 PWD_COMMAND = $${PWDCMD-pwd}
  72
  73 # Flags to pass to a recursive make.
  74 FLAGS_TO_PASS = \
  75         "AR=$(AR)" \
  76         "AR_FLAGS=$(AR_FLAGS)" \
  77         "CC=$(CC)" \
  78         "CFLAGS=$(CFLAGS)" \
  79         "DESTDIR=$(DESTDIR)" \
  80         "EXTRA_OFILES=$(EXTRA_OFILES)" \
  81         "HDEFINES=$(HDEFINES)" \
  82         "INSTALL=$(INSTALL)" \
  83         "INSTALL_DATA=$(INSTALL_DATA)" \
  84         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
  85         "LDFLAGS=$(LDFLAGS)" \
  86         "LOADLIBES=$(LOADLIBES)" \
  87         "RANLIB=$(RANLIB)" \
  88         "SHELL=$(SHELL)" \
  89         "prefix=$(prefix)" \
  90         "exec_prefix=$(exec_prefix)" \
  91         "libdir=$(libdir)" \
  92         "libsubdir=$(libsubdir)" \
  93         "tooldir=$(tooldir)"
  94
  95 # Dependencies for "all" are set later in the file.
  96 all: all-multi
  97         # Now that we have built all the objects, we need to copy
  98         # them back to the GCC directory.  Too many things (other
  99         # in-tree libraries, and DejaGNU) know about the layout
 100         # of the build tree, for now.
 101         $(MAKE) install DESTDIR=$(gcc_objdir) \
 102           slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR)
 103
 104 .PHONY: all-multi
 105 all-multi:
 106         # If this is the top-level multilib, build all the other
 107         # multilibs.
 108         @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all
 109
 110 .PHONY: check installcheck
 111 check:
 112 installcheck:
 113
 114 .PHONY: all clean
 115
 116 clean:
 117         -rm -f config.h stamp-h stmp-ldirs libgcc.map
 118         -rm -f *$(objext)
 119         -rm -f *.dep
 120         -rm -f *.a
 121         -rm -f libunwind$(SHLIB_EXT)
 122         -rm -f libgcc_s*
 123         @$(MULTICLEAN) multi-clean DO=clean
 124 distclean: clean
 125         @$(MULTICLEAN) multi-clean DO=distclean
 126         -rm -f *~ Makefile config.cache config.status multilib.out
 127         -rm -f config.log
 128 maintainer-clean realclean: distclean
 129
 130 Makefile: $(srcdir)/Makefile.in config.status
 131         CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status
 132
 133 # Depending on Makefile makes sure that config.status has been re-run
 134 # if needed.  This prevents problems with parallel builds.
 135 config.h: stamp-h ; @true
 136 stamp-h: $(srcdir)/config.in config.status Makefile
 137         CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
 138
 139 config.status: $(srcdir)/configure
 140         $(SHELL) ./config.status --recheck
 141
 142 include $(gcc_objdir)/libgcc.mvars
 143
 144 # Flags to pass to recursive makes.
 145
 146 AR_FOR_TARGET = $(AR)
 147 AR_FLAGS_FOR_TARGET =
 148 AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc
 149 AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x
 150 AWK = @AWK@
 151 GCC_FOR_TARGET = $(CC)
 152 LIPO = @LIPO@
 153 LIPO_FOR_TARGET = $(LIPO)
 154 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
 155 NM = @NM@
 156 NM_FOR_TARGET = $(NM)
 157 RANLIB_FOR_TARGET = $(RANLIB)
 158 STRIP = @STRIP@
 159 STRIP_FOR_TARGET = $(STRIP)
 160
 161 # Directory in which the compiler finds libraries etc.
 162 libsubdir = $(libdir)/gcc/$(host_noncanonical)/$(version)
 163 # Used to install the shared libgcc.
 164 slibdir = @slibdir@
 165
 166 export AR_FOR_TARGET
 167 export AR_CREATE_FOR_TARGET
 168 export AR_FLAGS_FOR_TARGET
 169 export AR_EXTRACT_FOR_TARGET
 170 export AWK
 171 export DESTDIR
 172 export GCC_FOR_TARGET
 173 export INCLUDES
 174 export INSTALL_DATA
 175 export LIB1ASMSRC
 176 export LIBGCC2_CFLAGS
 177 export LIPO_FOR_TARGET
 178 export MACHMODE_H
 179 export NM_FOR_TARGET
 180 export STRIP_FOR_TARGET
 181 export RANLIB_FOR_TARGET
 182 export libsubdir
 183 export slibdir
 184
 185 version := $(shell $(CC) -dumpversion)
 186
 187 ifeq ($(decimal_float),yes)
 188 DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \
 189             -I$(srcdir)/../libdecnumber \
 190             -I$(MULTIBUILDTOP)../../libdecnumber
 191 else
 192 DECNUMINC =
 193 endif
 194
 195 # Specify the directories to be searched for header files.
 196 # Both . and srcdir are used, in that order,
 197 # so that *config.h will be found in the compilation
 198 # subdirectory rather than in the source directory.
 199 # -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file
 200 # currently being compiled, in both source trees, to be examined as well.
 201 INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \
 202            -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \
 203            -I$(srcdir)/../include $(DECNUMINC)
 204
 205 # Forcibly remove any profiling-related flags.  There is no point
 206 # in supporting profiled bootstrap in this library.
 207 override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS))
 208
 209 # CFLAGS first is not perfect; normally setting CFLAGS should override any
 210 # options in LIBGCC2_CFLAGS.  But LIBGCC2_CFLAGS may contain -g0, and CFLAGS
 211 # will usually contain -g, so for the moment CFLAGS goes first.  We must
 212 # include CFLAGS - that's where multilib options live.
 213 INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) $(INCLUDES)
 214
 215 MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory)
 216 MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory)
 217
 218 MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi)
 219 inst_libdir = $(libsubdir)$(MULTISUBDIR)
 220 inst_slibdir = $(slibdir)$(MULTIOSSUBDIR)
 221
 222 gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS)
 223 compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep
 224 gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps)
 225 gcc_s_compile = $(gcc_compile) -DSHARED
 226
 227 objects = $(filter %$(objext),$^)
 228
 229 # Collect any host-specific information from Makefile fragments.
 230 tmake_file = @tmake_file@
 231 include $(srcdir)/empty.mk $(tmake_file)
 232
 233 # Only handle shared libraries if both:
 234 #   - the user requested them
 235 #   - we know how to build them
 236 ifeq ($(SHLIB_LINK),)
 237   enable_shared := no
 238 endif
 239
 240 ifeq ($(enable_shared),yes)
 241   iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items))
 242
 243   install-shared = install-shared
 244
 245   ifneq ($(LIBUNWIND),)
 246     install-libunwind = install-libunwind
 247   endif
 248
 249 # For -fvisibility=hidden.  We need both a -fvisibility=hidden on
 250 # the command line, and a #define to prevent libgcc2.h etc from
 251 # overriding that with #pragmas.
 252 vis_hide = @vis_hide@
 253
 254 ifneq (,$(vis_hide))
 255
 256 # If we have -fvisibility=hidden, then we need to generate hide
 257 # lists for object files implemented in assembly.
 258 ASM_HIDDEN_OP = @asm_hidden_op@
 259
 260 define gen-hide-list
 261 $(NM) -pg $< | \
 262   $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T
 263 mv -f $@T $@
 264 endef
 265 else
 266 gen-hide-list = echo > $@
 267 endif
 268
 269 else
 270 # Not enable_shared.
 271 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items))
 272 vis_hide =
 273 gen-hide-list = echo > \$@
 274 endif
 275
 276 ifneq ($(EXTRA_PARTS),)
 277   extra-parts = libgcc-extra-parts
 278   INSTALL_PARTS = $(EXTRA_PARTS)
 279 else
 280 ifneq ($(GCC_EXTRA_PARTS),)
 281   extra-parts = gcc-extra-parts
 282   INSTALL_PARTS = $(GCC_EXTRA_PARTS)
 283 endif
 284 endif
 285
 286 # Library members defined in libgcc2.c.
 287 lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2    \
 288             _clear_cache _enable_execute_stack _trampoline __main _absvsi2 \
 289             _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \
 290             _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2  \
 291             _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2        \
 292             _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2      \
 293             _mulsc3 _muldc3 _mulxc3 _multc3 _divsc3 _divdc3 _divxc3        \
 294             _divtc3 _bswapsi2 _bswapdi2
 295
 296 # The floating-point conversion routines that involve a single-word integer.
 297 # XX stands for the integer mode.
 298 swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf)
 299
 300 # Likewise double-word routines.
 301 dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \
 302                $(patsubst %,_fixuns%XX,sf df xf tf) \
 303                $(patsubst %,_floatXX%,sf df xf tf) \
 304                $(patsubst %,_floatunXX%,sf df xf tf)
 305
 306 ifeq ($(LIB2_SIDITI_CONV_FUNCS),)
 307   lib2funcs += $(subst XX,si,$(swfloatfuncs))
 308   lib2funcs += $(subst XX,di,$(dwfloatfuncs))
 309 endif
 310
 311 # These might cause a divide overflow trap and so are compiled with
 312 # unwinder info.
 313 LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4
 314
 315 # Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are
 316 # defined as optimized assembly code in LIB1ASMFUNCS or as C code
 317 # in LIB2FUNCS_EXCLUDE.
 318 lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs))
 319 LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \
 320                        $(LIB2_DIVMOD_FUNCS))
 321
 322 # Build "libgcc1" (assembly) components.
 323 ifeq ($(enable_shared),yes)
 324
 325 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 326 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis
 327         $(gcc_compile) -DL$* -xassembler-with-cpp \
 328           -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis
 329 $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext)
 330         $(gen-hide-list)
 331 libgcc-objects += $(lib1asmfuncs-o)
 332
 333 lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS))
 334 $(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 335         $(gcc_s_compile) -DL$* -xassembler-with-cpp \
 336           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 337 libgcc-s-objects += $(lib1asmfuncs-s-o)
 338
 339 else
 340
 341 lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS))
 342 $(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC)
 343         $(gcc_compile) -DL$* -xassembler-with-cpp \
 344           -c $(gcc_srcdir)/config/$(LIB1ASMSRC)
 345 libgcc-objects += $(lib1asmfuncs-o)
 346
 347 endif
 348
 349 # Build lib2funcs.  For the static library also include LIB2FUNCS_ST.
 350 lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST))
 351 $(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 352         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 353           $(vis_hide)
 354 libgcc-objects += $(lib2funcs-o)
 355
 356 ifeq ($(enable_shared),yes)
 357 lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs))
 358 $(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 359         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c
 360 libgcc-s-objects += $(lib2funcs-s-o)
 361 endif
 362
 363 ifneq ($(LIB2_SIDITI_CONV_FUNCS),)
 364 # Build libgcc2.c for each conversion function, with a specific
 365 # L<func> definition and LIBGCC2_UNITS_PER_WORD setting.  The DImode
 366 # functions are built with a wordsize of 4; the TImode functions are
 367 # built with the same labels, but a wordsize of 8.
 368
 369 sifuncs = $(subst XX,si,$(swfloatfuncs))
 370 difuncs = $(subst XX,di,$(dwfloatfuncs))
 371 tifuncs = $(subst XX,ti,$(dwfloatfuncs))
 372
 373 iter-items := $(sifuncs) $(difuncs) $(tifuncs)
 374 iter-labels := $(sifuncs) $(difuncs) $(difuncs)
 375 iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs))
 376
 377 include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items))
 378
 379 libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 380 ifeq ($(enable_shared),yes)
 381 libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs))
 382 endif
 383 endif
 384
 385 # Build LIB2_DIVMOD_FUNCS.
 386 lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
 387 $(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c
 388         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 389           -fexceptions -fnon-call-exceptions $(vis_hide)
 390 libgcc-objects += $(lib2-divmod-o)
 391
 392 ifeq ($(enable_shared),yes)
 393 lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS))
 394 $(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c
 395         $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \
 396           -fexceptions -fnon-call-exceptions
 397 libgcc-s-objects += $(lib2-divmod-s-o)
 398 endif
 399
 400 # $(FPBIT) et al. are pathnames relative to the GCC build
 401 # directory; the supporting files are made by the GCC
 402 # Makefile.
 403 # FIXME: Soon we will be able to move this logic into this directory.
 404
 405 ifneq ($(fpbit-in-libgcc),yes)
 406 FPBIT:=$(if $(FPBIT),$(gcc_objdir)/$(FPBIT),)
 407 DPBIT:=$(if $(DPBIT),$(gcc_objdir)/$(DPBIT),)
 408 TPBIT:=$(if $(TPBIT),$(gcc_objdir)/$(TPBIT),)
 409 endif
 410
 411 ifeq ($(TPBIT),)
 412 # _sf_to_tf and _df_to_tf require tp-bit.c being compiled in.
 413 FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS))
 414 DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS))
 415 endif
 416
 417 # Build FPBIT.
 418 ifneq ($(FPBIT),)
 419 fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS))
 420 $(fpbit-o): %$(objext): $(FPBIT)
 421         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT) $(vis_hide)
 422 libgcc-objects += $(fpbit-o)
 423
 424 ifeq ($(enable_shared),yes)
 425 fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS))
 426 $(fpbit-s-o): %_s$(objext): $(FPBIT)
 427         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(FPBIT)
 428 libgcc-s-objects += $(fpbit-s-o)
 429 endif
 430 endif
 431
 432 # Build DPBIT.
 433 ifneq ($(DPBIT),)
 434 dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS))
 435 $(dpbit-o): %$(objext): $(DPBIT)
 436         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT) $(vis_hide)
 437 libgcc-objects += $(dpbit-o)
 438
 439 ifeq ($(enable_shared),yes)
 440 dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS))
 441 $(dpbit-s-o): %_s$(objext): $(DPBIT)
 442         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(DPBIT)
 443 libgcc-s-objects += $(dpbit-s-o)
 444 endif
 445 endif
 446
 447 # Build TPBIT.
 448 ifneq ($(TPBIT),)
 449 tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS))
 450 $(tpbit-o): %$(objext): $(TPBIT)
 451         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT) $(vis_hide)
 452 libgcc-objects += $(tpbit-o)
 453
 454 ifeq ($(enable_shared),yes)
 455 tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS))
 456 $(tpbit-s-o): %_s$(objext): $(TPBIT)
 457         $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -c $(TPBIT)
 458 libgcc-s-objects += $(tpbit-s-o)
 459 endif
 460 endif
 461
 462 # Build decimal floating point support.
 463 ifeq ($(decimal_float),yes)
 464
 465 # If $DFP_ENABLE is set, then we want all data type sizes.
 466 ifneq ($(DFP_ENABLE),)
 467 D32PBIT = 1
 468 D64PBIT = 1
 469 D128PBIT = 1
 470 endif
 471
 472 dec-filenames =
 473 ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),)
 474 dec-filenames += decContext decNumber decExcept decRound decLibrary decUtility
 475 endif
 476
 477 dec-objects = $(patsubst %,%$(objext),$(dec-filenames))
 478 $(dec-objects): %$(objext): $(srcdir)/../libdecnumber/%.c
 479         $(gcc_compile) -c $<
 480 libgcc-objects += $(dec-objects)
 481
 482 decbits-filenames =
 483 ifneq ($(D32PBIT),)
 484 decbits-filenames += decimal32
 485 endif
 486
 487 ifneq ($(D64PBIT),)
 488 decbits-filenames += decimal64
 489 endif
 490
 491 ifneq ($(D128PBIT),)
 492 decbits-filenames += decimal128
 493 endif
 494
 495 ifeq ($(enable_decimal_float),bid)
 496 decbits-filenames += bid2dpd_dpd2bid
 497 endif
 498
 499 decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames))
 500 $(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c
 501         $(gcc_compile) -c $<
 502 libgcc-objects += $(decbits-objects)
 503
 504 # Next build individual support functions.
 505 ifneq ($(D32PBIT),)
 506 d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS))
 507 $(d32pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 508         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $<
 509 libgcc-objects += $(d32pbit-o)
 510 endif
 511
 512 ifneq ($(D64PBIT),)
 513 d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS))
 514 $(d64pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 515         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $<
 516 libgcc-objects += $(d64pbit-o)
 517 endif
 518
 519 ifneq ($(D128PBIT),)
 520 d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS))
 521 $(d128pbit-o): %$(objext): $(gcc_srcdir)/config/dfp-bit.c
 522         $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $<
 523 libgcc-objects += $(d128pbit-o)
 524 endif
 525
 526 endif
 527
 528 # Build LIB2ADD and LIB2ADD_ST.
 529 ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),)
 530 $(error Unsupported files in LIB2ADD or LIB2ADD_ST.)
 531 endif
 532
 533 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD))))
 534 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST))))
 535
 536 c_flags :=
 537 iter-items := $(LIB2ADD) $(LIB2ADD_ST)
 538 include $(iterator)
 539
 540 ifeq ($(enable_shared),yes)
 541 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD))))
 542 endif
 543
 544 # Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED.  If we don't have
 545 # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
 546 # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
 547
 548 c_flags := -fexceptions
 549
 550 ifeq ($(enable_shared),yes)
 551
 552 libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC))))
 553 libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED))))
 554
 555 iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED))
 556 include $(iterator)
 557
 558 else
 559 # Not shared.  LIB2ADDEH are added to libgcc.a.
 560
 561 libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH))))
 562
 563 iter-items := $(LIB2ADDEH)
 564 include $(iterator)
 565
 566 endif
 567
 568 # Build LIBUNWIND.
 569
 570 c_flags := -fexceptions
 571
 572 libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND))))
 573
 574 ifeq ($(enable_shared),yes)
 575 libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND))))
 576 endif
 577
 578 iter-items := $(LIBUNWIND)
 579 include $(iterator)
 580
 581 # Build libgcov components.
 582 libgcov-objects = $(patsubst %,%$(objext),$(LIBGCOV))
 583 $(libgcov-objects): %$(objext): $(gcc_srcdir)/libgcov.c
 584         $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcov.c
 585
 586
 587 # Static libraries.
 588 libgcc.a: $(libgcc-objects)
 589 libgcov.a: $(libgcov-objects)
 590 libunwind.a: $(libunwind-objects)
 591 libgcc_eh.a: $(libgcc-eh-objects)
 592
 593 libgcc.a libgcov.a libunwind.a libgcc_eh.a:
 594         -rm -f $@
 595
 596         objects="$(objects)";                                   \
 597         if test -z "$$objects"; then                            \
 598           echo 'int __libgcc_eh_dummy;' > eh_dummy.c;           \
 599           $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c         \
 600              -o eh_dummy$(objext);                              \
 601           objects=eh_dummy$(objext);                            \
 602         fi;                                                     \
 603         $(AR_CREATE_FOR_TARGET) $@ $$objects
 604
 605         $(RANLIB) $@
 606
 607 all: libgcc.a libgcov.a
 608
 609 ifneq ($(LIBUNWIND),)
 610 all: libunwind.a
 611 libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT)
 612 endif
 613
 614 ifeq ($(enable_shared),yes)
 615 all: libgcc_eh.a libgcc_s$(SHLIB_EXT)
 616 ifneq ($(LIBUNWIND),)
 617 all: libunwind$(SHLIB_EXT)
 618 endif
 619 endif
 620
 621 ifeq ($(enable_shared),yes)
 622
 623 # Map-file generation.
 624 ifneq ($(SHLIB_MKMAP),)
 625 libgcc.map: $(SHLIB_MKMAP) $(SHLIB_MAPFILES) $(libgcc-s-objects)
 626         { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \
 627           cat $(SHLIB_MAPFILES) \
 628             | sed -e '/^[       ]*#/d' \
 629                   -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \
 630             | $(gcc_compile_bare) -E -xassembler-with-cpp -; \
 631         } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@
 632         mv tmp-$@ $@
 633 libgcc_s$(SHLIB_EXT): libgcc.map
 634 mapfile = libgcc.map
 635 endif
 636
 637 libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts)
 638         # @multilib_flags@ is still needed because this may use
 639         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 640         # @multilib_dir@ is not really necessary, but sometimes it has
 641         # more uses than just a directory name.
 642         $(mkinstalldirs) $(MULTIDIR)
 643         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 644                 @multilib_dir@,$(MULTIDIR),$(subst \
 645                 @shlib_objs@,$(objects),$(subst \
 646                 @shlib_base_name@,libgcc_s,$(subst \
 647                 @shlib_map_file@,$(mapfile),$(subst \
 648                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_LINK)))))))
 649
 650 libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts)
 651         # @multilib_flags@ is still needed because this may use
 652         # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly.
 653         # @multilib_dir@ is not really necessary, but sometimes it has
 654         # more uses than just a directory name.
 655         $(mkinstalldirs) $(MULTIDIR)
 656         $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \
 657                 @multilib_dir@,$(MULTIDIR),$(subst \
 658                 @shlib_objs@,$(objects),$(subst \
 659                 @shlib_base_name@,libunwind,$(subst \
 660                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK))))))
 661
 662 endif
 663
 664 # Build the standard GCC startfiles and endfiles.
 665 ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES)
 666 crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps)
 667
 668 ifeq ($(CUSTOM_CRTSTUFF),)
 669 crtbegin$(objext): $(gcc_srcdir)/crtstuff.c
 670         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 671           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN
 672
 673 crtend$(objext): $(gcc_srcdir)/crtstuff.c
 674         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 675           -c $(gcc_srcdir)/crtstuff.c -DCRT_END
 676
 677 # These are versions of crtbegin and crtend for shared libraries.
 678 crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c
 679         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 680           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O
 681
 682 crtendS$(objext): $(gcc_srcdir)/crtstuff.c
 683         $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \
 684           -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O
 685
 686 # This is a version of crtbegin for -static links.
 687 crtbeginT.o: $(gcc_srcdir)/crtstuff.c
 688         $(crt_compile) $(CRTSTUFF_T_CFLAGS) \
 689           -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O
 690 endif
 691
 692 # Build extra startfiles in the libgcc directory.
 693 .PHONY: libgcc-extra-parts
 694 libgcc-extra-parts: $(EXTRA_PARTS)
 695 ifneq ($(GCC_EXTRA_PARTS),)
 696 ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS))
 697         # If the gcc directory specifies which extra parts to
 698         # build for this target, and the libgcc configuration also
 699         # specifies, make sure they match.  This can be removed
 700         # when the gcc directory no longer holds libgcc configuration;
 701         # it is useful when migrating a target.
 702         @echo "Configuration mismatch!"
 703         @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)"
 704         @echo "Extra parts from libgcc: $(EXTRA_PARTS)"
 705         exit 1
 706 endif
 707 endif
 708
 709         # Early copyback; see "all" above for the rationale.  The
 710         # early copy is necessary so that the gcc -B options find
 711         # the right startup files when linking shared libgcc.
 712         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 713         parts="$(EXTRA_PARTS)";                                 \
 714         for file in $$parts; do                                 \
 715           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 716           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 717         done
 718
 719 # Build extra startfiles in the gcc directory, for unconverted
 720 # targets.
 721 .PHONY: gcc-extra-parts
 722 gcc-extra-parts:
 723         # Recursively invoke make in the GCC directory to build any
 724         # startfiles (for now).  We must do this just once, passing
 725         # it all the GCC_EXTRA_PARTS as simultaneous goal targets,
 726         # so that rules which cannot execute simultaneously are properly
 727         # serialized.  We indirect through T_TARGET in case any multilib
 728         # directories contain an equals sign, to prevent make from
 729         # interpreting any of the goals as variable assignments.
 730
 731         # We must use cd && make rather than make -C, or else the stage
 732         # number will be embedded in debug information.
 733
 734         T=`$(PWD_COMMAND)`/ \
 735         && cd $(gcc_objdir) \
 736         && $(MAKE) GCC_FOR_TARGET="$(CC)" \
 737           MULTILIB_CFLAGS="$(CFLAGS)" \
 738           T=$$T \
 739           T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \
 740           T_TARGET
 741
 742         # Early copyback; see "all" above for the rationale.  The
 743         # early copy is necessary so that the gcc -B options find
 744         # the right startup files when linking shared libgcc.
 745         $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
 746         parts="$(GCC_EXTRA_PARTS)";                             \
 747         for file in $$parts; do                                 \
 748           rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file;             \
 749           $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/;  \
 750         done
 751
 752 all: $(extra-parts)
 753
 754 # Documentation targets (empty).
 755 .PHONY: info html dvi pdf install-info install-html install-pdf
 756
 757 info:
 758 install-info:
 759 html:
 760 install-html:
 761 dvi:
 762 pdf:
 763 install-pdf:
 764
 765 # Install rules.  These do not depend on "all", so that they can be invoked
 766 # recursively from it.
 767 install-libunwind:
 768         $(mkinstalldirs) $(DESTDIR)$(inst_slibdir)
 769
 770         # NOTE: Maybe this should go into $(inst_libdir), but this
 771         # is where the old mklibgcc.in put it.
 772         $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/
 773         chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a
 774         $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a
 775
 776         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 777                 @shlib_base_name@,libunwind,$(subst \
 778                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL))))
 779
 780 install-shared:
 781         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 782
 783         $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/
 784         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 785         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a
 786
 787         $(subst @multilib_dir@,$(MULTIDIR),$(subst \
 788                 @shlib_base_name@,libgcc_s,$(subst \
 789                 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL))))
 790
 791 install: $(install-shared) $(install-libunwind)
 792         $(mkinstalldirs) $(DESTDIR)$(inst_libdir)
 793
 794         $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/
 795         chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a
 796         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a
 797         $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/
 798         chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a
 799         $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a
 800
 801         parts="$(INSTALL_PARTS)";                               \
 802         for file in $$parts; do                                 \
 803           rm -f $(DESTDIR)$(inst_libdir)/$$file;                \
 804           $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/;     \
 805         done
 806
 807         @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install
 808
 809 .PHONY: install install-shared install-libunwind
 810
 811 # Don't export variables to the environment, in order to not confuse
 812 # configure.
 813 .NOEXPORT:
 814
 815 include $(srcdir)/empty.mk $(wildcard *.dep)
 816
 817 # TODO QUEUE:
 818 #   Garbage collect in gcc/:
 819 #     $(LIBGCC) settings in t-* are now unused
 820 #
 821 #   Remove use of $(gcc_srcdir).  Source files referenced using $(gcc_srcdir)
 822 #   should move into the libgcc directory.
 823