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