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