1# Makefile.in 2 3# Copyright (C) 2005-2018 Free Software Foundation, Inc. 4# 5# This file is part of GCC. 6# 7# GCC is free software; you can redistribute it and/or modify it under the 8# terms of the GNU Library General Public License as published by the Free 9# Software Foundation; either version 3 of the License, or (at your option) 10# any later version. 11# 12# GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14# FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15# more details. 16# 17# You should have received a copy of the GNU General Public License along 18# with GCC; see the file COPYING3. If not see 19# <http://www.gnu.org/licenses/>. 20# 21 22libgcc_topdir = @libgcc_topdir@ 23host_subdir = @host_subdir@ 24 25gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc 26 27srcdir = @srcdir@ 28 29prefix = @prefix@ 30 31exec_prefix = @exec_prefix@ 32libdir = @libdir@ 33shlib_slibdir = @slibdir@ 34 35SHELL = @SHELL@ 36 37cpu_type = @cpu_type@ 38enable_shared = @enable_shared@ 39double_type_size = @double_type_size@ 40long_double_type_size = @long_double_type_size@ 41decimal_float = @decimal_float@ 42enable_vtable_verify = @enable_vtable_verify@ 43enable_decimal_float = @enable_decimal_float@ 44fixed_point = @fixed_point@ 45with_aix_soname = @with_aix_soname@ 46enable_execute_stack = @enable_execute_stack@ 47unwind_header = @unwind_header@ 48md_unwind_header = @md_unwind_header@ 49sfp_machine_header = @sfp_machine_header@ 50thread_header = @thread_header@ 51 52host_noncanonical = @host_noncanonical@ 53real_host_noncanonical = @real_host_noncanonical@ 54target_noncanonical = @target_noncanonical@ 55 56# List of extra object files that should be compiled for this target machine. 57# The rules for compiling them should be in the t-* file for the machine. 58EXTRA_PARTS = @extra_parts@ 59 60FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@ 61 62extra-parts = libgcc-extra-parts 63 64# Multilib support variables. 65MULTISRCTOP = 66MULTIBUILDTOP = 67MULTIDIRS = 68MULTISUBDIR = 69MULTIDO = true 70MULTICLEAN = true 71 72INSTALL = @INSTALL@ 73INSTALL_PROGRAM = @INSTALL_PROGRAM@ 74INSTALL_DATA = @INSTALL_DATA@ 75mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs 76INSTALL_PARTS = $(EXTRA_PARTS) 77 78objext = .o 79 80AR = @AR@ 81AR_FLAGS = rc 82 83CC = @CC@ 84CFLAGS = @CFLAGS@ 85RANLIB = @RANLIB@ 86LN_S = @LN_S@ 87 88PWD_COMMAND = $${PWDCMD-pwd} 89 90# Flags to pass to a recursive make. 91FLAGS_TO_PASS = \ 92 "AR=$(AR)" \ 93 "AR_FLAGS=$(AR_FLAGS)" \ 94 "CC=$(CC)" \ 95 "CFLAGS=$(CFLAGS)" \ 96 "DESTDIR=$(DESTDIR)" \ 97 "EXTRA_OFILES=$(EXTRA_OFILES)" \ 98 "HDEFINES=$(HDEFINES)" \ 99 "INSTALL=$(INSTALL)" \ 100 "INSTALL_DATA=$(INSTALL_DATA)" \ 101 "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \ 102 "LDFLAGS=$(LDFLAGS)" \ 103 "LOADLIBES=$(LOADLIBES)" \ 104 "RANLIB=$(RANLIB)" \ 105 "SHELL=$(SHELL)" \ 106 "prefix=$(prefix)" \ 107 "exec_prefix=$(exec_prefix)" \ 108 "libdir=$(libdir)" \ 109 "libsubdir=$(libsubdir)" \ 110 "tooldir=$(tooldir)" 111 112# Dependencies for "all" are set later in the file. 113all: all-multi 114 # Now that we have built all the objects, we need to copy 115 # them back to the GCC directory. Too many things (other 116 # in-tree libraries, and DejaGNU) know about the layout 117 # of the build tree, for now. 118 $(MAKE) install-leaf DESTDIR=$(gcc_objdir) \ 119 slibdir= libsubdir= MULTIOSDIR=$(MULTIDIR) 120 121.PHONY: all-multi 122all-multi: 123 # If this is the top-level multilib, build all the other 124 # multilibs. 125 @: $(MAKE) ; exec $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all 126 127.PHONY: check installcheck 128check: 129installcheck: 130 131.PHONY: all clean 132 133clean: 134 -rm -f libgcc_tm.h libgcc.map 135 -rm -f libgcc_tm.stamp stmp-ldirs 136 -rm -f *$(objext) 137 -rm -f *.dep 138 -rm -f *.a 139 -rm -f libunwind$(SHLIB_EXT) 140 -rm -f libgcc_s* 141 @$(MULTICLEAN) multi-clean DO=clean 142distclean: clean 143 @$(MULTICLEAN) multi-clean DO=distclean 144 -rm -f auto-target.h 145 -rm -f stamp-h 146 -rm -f *~ Makefile config.cache config.status multilib.out 147 -rm -f config.log 148maintainer-clean realclean: distclean 149 150Makefile: $(srcdir)/Makefile.in config.status 151 CONFIG_FILES=Makefile CONFIG_HEADERS= $(SHELL) ./config.status 152 153# Depending on Makefile makes sure that config.status has been re-run 154# if needed. This prevents problems with parallel builds. 155auto-target.h: stamp-h ; @true 156stamp-h: $(srcdir)/config.in config.status Makefile 157 CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status 158 159config.status: $(srcdir)/configure $(srcdir)/config.host 160 $(SHELL) ./config.status --recheck 161 162AUTOCONF = autoconf 163configure_deps = \ 164 $(srcdir)/../config/enable.m4 \ 165 $(srcdir)/../config/tls.m4 \ 166 $(srcdir)/../config/acx.m4 \ 167 $(srcdir)/../config/no-executables.m4 \ 168 $(srcdir)/../config/lib-ld.m4 \ 169 $(srcdir)/../config/override.m4 \ 170 $(srcdir)/../config/picflag.m4 \ 171 $(srcdir)/../config/dfp.m4 \ 172 $(srcdir)/../config/unwind_ipinfo.m4 \ 173 $(srcdir)/../config/gthr.m4 \ 174 $(srcdir)/../config/sjlj.m4 \ 175 $(srcdir)/../config/cet.m4 176 177$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(configure_deps) 178 cd $(srcdir) && $(AUTOCONF) 179 180include $(gcc_objdir)/libgcc.mvars 181 182# Flags to pass to recursive makes. 183 184AR_FOR_TARGET = $(AR) 185AR_FLAGS_FOR_TARGET = 186AR_CREATE_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) rc 187AR_EXTRACT_FOR_TARGET = $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) x 188AWK = @AWK@ 189GCC_FOR_TARGET = $(CC) 190LIPO = @LIPO@ 191LIPO_FOR_TARGET = $(LIPO) 192MACHMODE_H = machmode.h mode-classes.def insn-modes.h 193NM = @NM@ 194NM_FOR_TARGET = $(NM) 195RANLIB_FOR_TARGET = $(RANLIB) 196STRIP = @STRIP@ 197STRIP_FOR_TARGET = $(STRIP) 198 199# Directory in which the compiler finds libraries etc. 200libsubdir = $(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@ 201# Used to install the shared libgcc. 202slibdir = @slibdir@ 203# Maybe used for DLLs on Windows targets. 204toolexecdir = @toolexecdir@ 205toolexeclibdir = @toolexeclibdir@ 206 207export AR_FOR_TARGET 208export AR_CREATE_FOR_TARGET 209export AR_FLAGS_FOR_TARGET 210export AR_EXTRACT_FOR_TARGET 211export AWK 212export DESTDIR 213export GCC_FOR_TARGET 214export INCLUDES 215export INSTALL_DATA 216export LIB1ASMSRC 217export LIBGCC2_CFLAGS 218export LIPO_FOR_TARGET 219export MACHMODE_H 220export NM_FOR_TARGET 221export STRIP_FOR_TARGET 222export RANLIB_FOR_TARGET 223export libsubdir 224export slibdir 225export toolexecdir 226export toolexeclibdir 227 228version := $(shell @get_gcc_base_ver@ $(srcdir)/../gcc/BASE-VER) 229 230ifeq ($(decimal_float),yes) 231ifeq ($(enable_decimal_float),bid) 232DECNUMINC = -I$(srcdir)/config/libbid -DENABLE_DECIMAL_BID_FORMAT 233else 234DECNUMINC = -I$(srcdir)/../libdecnumber/$(enable_decimal_float) \ 235 -I$(srcdir)/../libdecnumber 236endif 237else 238DECNUMINC = 239endif 240 241# Options to use when compiling libgcc2.a. 242# 243LIBGCC2_DEBUG_CFLAGS = -g 244LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ 245 $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \ 246 -fbuilding-libgcc -fno-stack-protector \ 247 $(INHIBIT_LIBC_CFLAGS) 248 249# Additional options to use when compiling libgcc2.a. 250# Some targets override this to -isystem include 251LIBGCC2_INCLUDES = 252 253# Additional target-dependent options for compiling libgcc2.a. 254HOST_LIBGCC2_CFLAGS = 255 256PICFLAG = @PICFLAG@ 257 258CET_FLAGS = @CET_FLAGS@ 259 260# Defined in libgcc2.c, included only in the static library. 261LIB2FUNCS_ST = _eprintf __gcc_bcmp 262 263# List of functions not to build from libgcc2.c. 264LIB2FUNCS_EXCLUDE = 265 266# List of extra C and assembler files to add to static and shared libgcc2. 267# Assembler files should have names ending in `.S'. 268LIB2ADD = 269 270# List of extra C and assembler files to add to static libgcc2. 271# Assembler files should have names ending in `.S'. 272LIB2ADD_ST = 273 274# Specify the directories to be searched for header files. 275# Both . and srcdir are used, in that order, 276# so that *config.h will be found in the compilation 277# subdirectory rather than in the source directory. 278# -I$(@D) and -I$(srcdir)/$(@D) cause the subdirectory of the file 279# currently being compiled, in both source trees, to be examined as well. 280INCLUDES = -I. -I$(@D) -I$(gcc_objdir) \ 281 -I$(srcdir) -I$(srcdir)/$(@D) -I$(srcdir)/../gcc \ 282 -I$(srcdir)/../include $(DECNUMINC) 283 284# Forcibly remove any profiling-related flags. There is no point 285# in supporting profiled bootstrap in this library. 286override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS)) 287 288# CFLAGS first is not perfect; normally setting CFLAGS should override any 289# options in LIBGCC2_CFLAGS. But LIBGCC2_CFLAGS may contain -g0, and CFLAGS 290# will usually contain -g, so for the moment CFLAGS goes first. We must 291# include CFLAGS - that's where multilib options live. 292INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ 293 $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@ 294 295# Options to use when compiling crtbegin/end. 296CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \ 297 $(NO_PIE_CFLAGS) -finhibit-size-directive -fno-inline -fno-exceptions \ 298 -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \ 299 -fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \ 300 $(INHIBIT_LIBC_CFLAGS) 301 302# Extra flags to use when compiling crt{begin,end}.o. 303CRTSTUFF_T_CFLAGS = 304 305MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory) 306MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory) 307 308MULTIOSSUBDIR := $(shell if test $(MULTIOSDIR) != .; then echo /$(MULTIOSDIR); fi) 309inst_libdir = $(libsubdir)$(MULTISUBDIR) 310inst_slibdir = $(slibdir)$(MULTIOSSUBDIR) 311 312gcc_compile_bare = $(CC) $(INTERNAL_CFLAGS) 313compile_deps = -MT $@ -MD -MP -MF $(basename $@).dep 314gcc_compile = $(gcc_compile_bare) -o $@ $(compile_deps) 315gcc_s_compile = $(gcc_compile) -DSHARED 316 317objects = $(filter %$(objext),$^) 318 319# Collect any host-specific information from Makefile fragments. 320 321LIBGCC_VER_GNU_PREFIX = __ 322LIBGCC_VER_FIXEDPOINT_GNU_PREFIX = __ 323LIBGCC_VER_SYMBOLS_PREFIX = 324 325FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \ 326 _fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \ 327 _lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \ 328 _sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf 329 330DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \ 331 _fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \ 332 _lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \ 333 _df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df 334 335TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \ 336 _fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \ 337 _lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \ 338 _tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf 339 340# Additional sources to handle exceptions; overridden by targets as needed. 341LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \ 342 $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c 343LIB2ADDEHSTATIC = $(LIB2ADDEH) 344LIB2ADDEHSHARED = $(LIB2ADDEH) 345 346# nm flags to list global symbols in libgcc object files. 347SHLIB_NM_FLAGS = -pg 348 349# Don't build libunwind by default. 350LIBUNWIND = 351SHLIBUNWIND_LINK = 352SHLIBUNWIND_INSTALL = 353 354 355# Create links to files specified in config.host. 356LIBGCC_LINKS = enable-execute-stack.c unwind.h md-unwind-support.h \ 357 sfp-machine.h gthr-default.h 358 359enable-execute-stack.c: $(srcdir)/$(enable_execute_stack) 360 -$(LN_S) $< $@ 361unwind.h: $(srcdir)/$(unwind_header) 362 -$(LN_S) $< $@ 363md-unwind-support.h: $(srcdir)/config/$(md_unwind_header) 364 -$(LN_S) $< $@ 365sfp-machine.h: $(srcdir)/config/$(sfp_machine_header) 366 -$(LN_S) $< $@ 367gthr-default.h: $(srcdir)/$(thread_header) 368 -$(LN_S) $< $@ 369 370tmake_file = @tmake_file@ 371include $(srcdir)/empty.mk $(tmake_file) 372 373# Collect target defines and headers from config.host. 374libgcc_tm_defines = @tm_defines@ 375libgcc_tm_file = @tm_file@ 376libgcc_tm.h: libgcc_tm.stamp; @true 377libgcc_tm.stamp: 378 DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \ 379 $(srcdir)/mkheader.sh > tmp-libgcc_tm.h 380 $(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h 381 echo timestamp > $@ 382 383# Only handle shared libraries if both: 384# - the user requested them 385# - we know how to build them 386ifeq ($(SHLIB_LINK),) 387 enable_shared := no 388endif 389 390ifeq ($(enable_shared),yes) 391 iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/shared-object.mk,$(iter-items)) 392 393 install-shared = install-shared 394 395 ifneq ($(LIBUNWIND),) 396 install-libunwind = install-libunwind 397 endif 398endif 399 400# For -fvisibility=hidden. We need both a -fvisibility=hidden on 401# the command line, and a #define to prevent libgcc2.h etc from 402# overriding that with #pragmas. 403vis_hide = @vis_hide@ 404 405ifneq (,$(vis_hide)) 406 407# If we have -fvisibility=hidden, then we need to generate hide 408# lists for object files implemented in assembly. 409ASM_HIDDEN_OP = @asm_hidden_op@ 410 411define gen-hide-list 412$(NM) -pg $< | \ 413 $(AWK) 'NF == 3 && $$2 !~ /^[UN]$$/ && $$3 !~ /.*_compat/ \ 414 && $$3 !~ /.*@.*/ \ 415 { print "\t$(ASM_HIDDEN_OP)", $$3 }' > $@T 416mv -f $@T $@ 417endef 418else 419gen-hide-list = echo > $@ 420endif 421 422ifneq ($(enable_shared),yes) 423iterator = $(srcdir)/empty.mk $(patsubst %,$(srcdir)/static-object.mk,$(iter-items)) 424endif 425 426LIB2ADD += enable-execute-stack.c 427 428# While emutls.c has nothing to do with EH, it is in LIB2ADDEH* 429# instead of LIB2ADD because that's the way to be sure on some targets 430# (e.g. *-*-darwin*) only one copy of it is linked. 431LIB2ADDEH += $(srcdir)/emutls.c 432LIB2ADDEHSTATIC += $(srcdir)/emutls.c 433LIB2ADDEHSHARED += $(srcdir)/emutls.c 434 435# Library members defined in libgcc2.c. 436lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \ 437 _clear_cache _trampoline __main _absvsi2 \ 438 _absvdi2 _addvsi3 _addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 \ 439 _negvsi2 _negvdi2 _ctors _ffssi2 _ffsdi2 _clz _clzsi2 _clzdi2 \ 440 _ctzsi2 _ctzdi2 _popcount_tab _popcountsi2 _popcountdi2 \ 441 _paritysi2 _paritydi2 _powisf2 _powidf2 _powixf2 _powitf2 \ 442 _mulhc3 _mulsc3 _muldc3 _mulxc3 _multc3 _divhc3 _divsc3 \ 443 _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 _clrsbsi2 \ 444 _clrsbdi2 445 446# The floating-point conversion routines that involve a single-word integer. 447# XX stands for the integer mode. 448swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf) 449 450# Likewise double-word routines. 451dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \ 452 $(patsubst %,_fixuns%XX,sf df xf tf) \ 453 $(patsubst %,_floatXX%,sf df xf tf) \ 454 $(patsubst %,_floatunXX%,sf df xf tf) 455 456ifeq ($(LIB2_SIDITI_CONV_FUNCS),) 457 lib2funcs += $(subst XX,si,$(swfloatfuncs)) 458 lib2funcs += $(subst XX,di,$(dwfloatfuncs)) 459endif 460 461# These might cause a divide overflow trap and so are compiled with 462# unwinder info. 463LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _divmoddi4 \ 464 _udivdi3 _umoddi3 _udivmoddi4 _udiv_w_sdiv 465 466# Remove any objects from lib2funcs and LIB2_DIVMOD_FUNCS that are 467# defined as optimized assembly code in LIB1ASMFUNCS or as C code 468# in LIB2FUNCS_EXCLUDE. 469lib2funcs := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS),$(lib2funcs)) 470LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \ 471 $(LIB2_DIVMOD_FUNCS)) 472 473# Build "libgcc1" (assembly) components. 474 475lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS)) 476$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis 477 $(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis 478$(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext) 479 $(gen-hide-list) 480libgcc-objects += $(lib1asmfuncs-o) 481 482lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS)) 483$(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC) 484 $(gcc_s_compile) -DL$* -xassembler-with-cpp -c $< 485ifeq ($(enable_shared),yes) 486 487libgcc-s-objects += $(lib1asmfuncs-s-o) 488 489endif 490 491# Build lib2funcs. For the static library also include LIB2FUNCS_ST. 492lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST)) 493$(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c 494 $(gcc_compile) -DL$* -c $< $(vis_hide) 495libgcc-objects += $(lib2funcs-o) 496 497ifeq ($(enable_shared),yes) 498lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs)) 499$(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c 500 $(gcc_s_compile) -DL$* -c $< 501libgcc-s-objects += $(lib2funcs-s-o) 502endif 503 504ifneq ($(LIB2_SIDITI_CONV_FUNCS),) 505# Build libgcc2.c for each conversion function, with a specific 506# L<func> definition and LIBGCC2_UNITS_PER_WORD setting. The DImode 507# functions are built with a wordsize of 4; the TImode functions are 508# built with the same labels, but a wordsize of 8. 509 510sifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,si,$(swfloatfuncs))) 511difuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,di,$(dwfloatfuncs))) 512tifuncs := $(filter-out $(LIB2FUNCS_EXCLUDE),$(subst XX,ti,$(dwfloatfuncs))) 513 514iter-items := $(sifuncs) $(difuncs) $(tifuncs) 515iter-labels := $(sifuncs) $(difuncs) $(difuncs) 516iter-sizes := $(patsubst %,4,$(sifuncs) $(difuncs)) $(patsubst %,8,$(tifuncs)) 517 518include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/siditi-object.mk,$(iter-items)) 519 520libgcc-objects += $(patsubst %,%$(objext),$(sifuncs) $(difuncs) $(tifuncs)) 521ifeq ($(enable_shared),yes) 522libgcc-s-objects += $(patsubst %,%_s$(objext),$(sifuncs) $(difuncs) $(tifuncs)) 523endif 524endif 525 526ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),) 527# Provide default flags for compiling divmod functions, if they haven't been 528# set already by a target-specific Makefile fragment. 529LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions 530endif 531 532# Build LIB2_DIVMOD_FUNCS. 533lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS)) 534$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c 535 $(gcc_compile) -DL$* -c $< \ 536 $(LIB2_DIVMOD_EXCEPTION_FLAGS) $(vis_hide) 537libgcc-objects += $(lib2-divmod-o) 538 539ifeq ($(enable_shared),yes) 540lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS)) 541$(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c 542 $(gcc_s_compile) -DL$* -c $< \ 543 $(LIB2_DIVMOD_EXCEPTION_FLAGS) 544libgcc-s-objects += $(lib2-divmod-s-o) 545endif 546 547ifeq ($(TPBIT),) 548# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in. 549FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS)) 550DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS)) 551endif 552 553FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS)) 554DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS)) 555TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS)) 556 557fpbit-src := $(srcdir)/fp-bit.c 558 559# Build FPBIT. 560ifneq ($(FPBIT),) 561fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS)) 562$(fpbit-o): %$(objext): $(fpbit-src) 563 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< $(vis_hide) 564libgcc-objects += $(fpbit-o) 565 566ifeq ($(enable_shared),yes) 567fpbit-s-o = $(patsubst %,%_s$(objext),$(FPBIT_FUNCS)) 568$(fpbit-s-o): %_s$(objext): $(fpbit-src) 569 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< 570libgcc-s-objects += $(fpbit-s-o) 571endif 572endif 573 574# Build DPBIT. 575ifneq ($(DPBIT),) 576dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS)) 577$(dpbit-o): %$(objext): $(fpbit-src) 578 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< $(vis_hide) 579libgcc-objects += $(dpbit-o) 580 581ifeq ($(enable_shared),yes) 582dpbit-s-o = $(patsubst %,%_s$(objext),$(DPBIT_FUNCS)) 583$(dpbit-s-o): %_s$(objext): $(fpbit-src) 584 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< 585libgcc-s-objects += $(dpbit-s-o) 586endif 587endif 588 589# Build TPBIT. 590ifneq ($(TPBIT),) 591tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS)) 592$(tpbit-o): %$(objext): $(fpbit-src) 593 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< $(vis_hide) 594libgcc-objects += $(tpbit-o) 595 596ifeq ($(enable_shared),yes) 597tpbit-s-o = $(patsubst %,%_s$(objext),$(TPBIT_FUNCS)) 598$(tpbit-s-o): %_s$(objext): $(fpbit-src) 599 $(gcc_s_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< 600libgcc-s-objects += $(tpbit-s-o) 601endif 602endif 603 604# Build decimal floating point support. 605ifeq ($(decimal_float),yes) 606 607# If $DFP_ENABLE is set, then we want all data type sizes. 608ifneq ($(DFP_ENABLE),) 609D32PBIT = 1 610D64PBIT = 1 611D128PBIT = 1 612endif 613 614dfp-filenames = 615ifneq ($(D32PBIT)$(D64PBIT)$(D128PBIT),) 616ifeq ($(enable_decimal_float),bid) 617dfp-filenames += bid_decimal_globals bid_decimal_data \ 618 bid_binarydecimal bid_convert_data \ 619 _isinfd32 _isinfd64 _isinfd128 bid64_noncomp \ 620 bid128_noncomp bid128_fma bid_round bid_from_int \ 621 bid64_add bid128_add bid64_div bid128_div \ 622 bid64_mul bid128_mul bid64_compare bid128_compare \ 623 bid128 bid32_to_bid64 bid32_to_bid128 bid64_to_bid128 \ 624 bid64_to_int32 bid64_to_int64 \ 625 bid64_to_uint32 bid64_to_uint64 \ 626 bid128_to_int32 bid128_to_int64 \ 627 bid128_to_uint32 bid128_to_uint64 628else 629dfp-filenames += decContext decNumber decExcept decRound decLibrary decDouble decPacked decQuad decSingle 630endif 631endif 632 633dfp-objects = $(patsubst %,%$(objext),$(dfp-filenames)) 634ifeq ($(enable_decimal_float),bid) 635$(dfp-objects): %$(objext): $(srcdir)/config/libbid/%.c 636else 637$(dfp-objects): %$(objext): $(srcdir)/../libdecnumber/%.c 638endif 639 $(gcc_compile) -c $< 640libgcc-objects += $(dfp-objects) 641 642decbits-filenames = 643ifneq ($(enable_decimal_float),bid) 644ifneq ($(D32PBIT),) 645decbits-filenames += decimal32 646endif 647 648ifneq ($(D64PBIT),) 649decbits-filenames += decimal64 650endif 651 652ifneq ($(D128PBIT),) 653decbits-filenames += decimal128 654endif 655endif 656 657decbits-objects = $(patsubst %,%$(objext),$(decbits-filenames)) 658ifeq ($(enable_decimal_float),bid) 659$(decbits-objects): %$(objext): $(srcdir)/config/libbid/%.c 660else 661$(decbits-objects): %$(objext): $(srcdir)/../libdecnumber/$(enable_decimal_float)/%.c 662endif 663 $(gcc_compile) -c $< 664libgcc-objects += $(decbits-objects) 665 666# Next build individual support functions. 667D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \ 668 _eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \ 669 _sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \ 670 _si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \ 671 _sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \ 672 _sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \ 673 _sd_to_dd _sd_to_td _unord_sd _conv_sd 674 675D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \ 676 _eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \ 677 _dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \ 678 _si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \ 679 _dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \ 680 _sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \ 681 _dd_to_sd _dd_to_td _unord_dd _conv_dd 682 683D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \ 684 _eq_td _ne_td _lt_td _gt_td _le_td _ge_td \ 685 _td_to_si _td_to_di _td_to_usi _td_to_udi \ 686 _si_to_td _di_to_td _usi_to_td _udi_to_td \ 687 _td_to_sf _td_to_df _td_to_xf _td_to_tf \ 688 _sf_to_td _df_to_td _xf_to_td _tf_to_td \ 689 _td_to_sd _td_to_dd _unord_td _conv_td 690 691ifeq ($(enable_decimal_float),bid) 692ifneq ($(D32PBIT),) 693D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS)) 694endif 695 696ifneq ($(D64PBIT),) 697D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS)) 698endif 699 700ifneq ($(D128PBIT),) 701D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS)) 702endif 703endif 704 705ifneq ($(D32PBIT),) 706d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS)) 707ifeq ($(enable_decimal_float),bid) 708$(d32pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 709else 710$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c 711endif 712 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $< 713libgcc-objects += $(d32pbit-o) 714endif 715 716ifneq ($(D64PBIT),) 717d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS)) 718ifeq ($(enable_decimal_float),bid) 719$(d64pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 720else 721$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c 722endif 723 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $< 724libgcc-objects += $(d64pbit-o) 725endif 726 727ifneq ($(D128PBIT),) 728d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS)) 729ifeq ($(enable_decimal_float),bid) 730$(d128pbit-o): %$(objext): $(srcdir)/config/libbid/%.c 731else 732$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c 733endif 734 $(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $< 735libgcc-objects += $(d128pbit-o) 736endif 737 738endif 739 740ifeq ($(SYNC),yes) 741libgcc-sync-size-funcs := $(foreach op, add sub or and xor nand, \ 742 sync_fetch_and_$(op) \ 743 sync_$(op)_and_fetch) \ 744 sync_bool_compare_and_swap \ 745 sync_val_compare_and_swap \ 746 sync_lock_test_and_set 747 748libgcc-sync-size-funcs := $(foreach prefix, $(libgcc-sync-size-funcs), \ 749 $(foreach suffix, 1 2 4 8 16, \ 750 $(prefix)_$(suffix))) 751 752libgcc-sync-size-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-size-funcs)) 753$(libgcc-sync-size-funcs-o): %$(objext): $(srcdir)/sync.c 754 $(gcc_compile) $(SYNC_CFLAGS) \ 755 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \ 756 -DSIZE=`echo "$*" | sed 's/.*_//'` \ 757 -c $< $(vis_hide) 758libgcc-objects += $(libgcc-sync-size-funcs-o) 759 760libgcc-sync-funcs := sync_synchronize 761 762libgcc-sync-funcs-o = $(patsubst %,%$(objext),$(libgcc-sync-funcs)) 763$(libgcc-sync-funcs-o): %$(objext): $(srcdir)/sync.c 764 $(gcc_compile) $(SYNC_CFLAGS) \ 765 -DL$* \ 766 -c $< $(vis_hide) 767libgcc-objects += $(libgcc-sync-funcs-o) 768 769ifeq ($(enable_shared),yes) 770libgcc-sync-size-funcs-s-o = $(patsubst %,%_s$(objext), \ 771 $(libgcc-sync-size-funcs)) 772$(libgcc-sync-size-funcs-s-o): %_s$(objext): $(srcdir)/sync.c 773 $(gcc_s_compile) $(SYNC_CFLAGS) \ 774 -DFN=`echo "$*" | sed 's/_[^_]*$$//'` \ 775 -DSIZE=`echo "$*" | sed 's/.*_//'` \ 776 -c $< 777libgcc-s-objects += $(libgcc-sync-size-funcs-s-o) 778 779libgcc-sync-funcs-s-o = $(patsubst %,%_s$(objext),$(libgcc-sync-funcs)) 780$(libgcc-sync-funcs-s-o): %_s$(objext): $(srcdir)/sync.c 781 $(gcc_s_compile) $(SYNC_CFLAGS) \ 782 -DL$* \ 783 -c $< 784libgcc-s-objects += $(libgcc-sync-funcs-s-o) 785endif 786endif 787 788# Build fixed-point support. 789ifeq ($(fixed_point),yes) 790 791# Generate permutations of function name and mode 792fixed-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith labels) 793fixed-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith funcs) 794fixed-modes := $(shell $(SHELL) $(srcdir)/gen-fixed.sh arith modes) 795 796# Generate the rules for each arithmetic function 797iter-items := $(fixed-funcs) 798iter-labels := $(fixed-labels) 799iter-from := $(fixed-modes) 800iter-to := $(fixed-modes) 801include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items)) 802 803# Add arithmetic functions to list of objects to be built 804libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs))) 805ifeq ($(enable_shared),yes) 806libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-funcs))) 807endif 808 809# Convert from or to fractional 810fixed-conv-funcs := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv funcs) 811fixed-conv-labels := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv labels) 812fixed-conv-from := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv from) 813fixed-conv-to := $(shell $(SHELL) $(srcdir)/gen-fixed.sh conv to) 814 815# Generate the make rules for each conversion function 816iter-items := $(fixed-conv-funcs) 817iter-labels := $(fixed-conv-labels) 818iter-from := $(fixed-conv-from) 819iter-to := $(fixed-conv-to) 820include $(srcdir)/empty.mk $(patsubst %,$(srcdir)/fixed-obj.mk,$(iter-items)) 821 822# Add conversion functions to list of objects to be built 823libgcc-objects += $(patsubst %,%$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs))) 824ifeq ($(enable_shared),yes) 825libgcc-s-objects += $(patsubst %,%_s$(objext),$(filter-out $(LIB2FUNCS_EXCLUDE),$(fixed-conv-funcs))) 826endif 827 828endif 829 830# Build LIB2ADD and LIB2ADD_ST. 831ifneq ($(filter-out %.c %.S %.asm,$(LIB2ADD) $(LIB2ADD_ST)),) 832$(error Unsupported files in LIB2ADD or LIB2ADD_ST.) 833endif 834 835libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD)))) 836libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADD_ST)))) 837 838c_flags := 839iter-items := $(LIB2ADD) $(LIB2ADD_ST) 840include $(iterator) 841 842ifeq ($(enable_shared),yes) 843libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADD)))) 844endif 845 846# Build LIB2ADDEH, LIB2ADDEHSTATIC, and LIB2ADDEHSHARED. If we don't have 847# libgcc_eh.a, only LIB2ADDEH matters. If we do, only LIB2ADDEHSTATIC and 848# LIB2ADDEHSHARED matter. (Usually all three are identical.) 849 850c_flags := -fexceptions 851 852ifeq ($(enable_shared),yes) 853 854libgcc-eh-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEHSTATIC)))) 855libgcc-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIB2ADDEHSHARED)))) 856 857iter-items := $(sort $(LIB2ADDEHSTATIC) $(LIB2ADDEHSHARED)) 858include $(iterator) 859 860else 861# Not shared. LIB2ADDEH are added to libgcc.a. 862 863libgcc-objects += $(addsuffix $(objext),$(basename $(notdir $(LIB2ADDEH)))) 864 865iter-items := $(LIB2ADDEH) 866include $(iterator) 867 868endif 869 870# Build LIBUNWIND. Use -fno-exceptions so that the unwind library does 871# not generate calls to __gcc_personality_v0. 872 873c_flags := -fno-exceptions 874 875libunwind-objects += $(addsuffix $(objext),$(basename $(notdir $(LIBUNWIND)))) 876 877ifeq ($(enable_shared),yes) 878libunwind-s-objects += $(addsuffix _s$(objext),$(basename $(notdir $(LIBUNWIND)))) 879endif 880 881iter-items := $(LIBUNWIND) 882include $(iterator) 883 884# Build libgcov components. 885 886LIBGCOV_MERGE = _gcov_merge_add _gcov_merge_single \ 887 _gcov_merge_ior _gcov_merge_time_profile _gcov_merge_icall_topn 888LIBGCOV_PROFILER = _gcov_interval_profiler \ 889 _gcov_interval_profiler_atomic \ 890 _gcov_pow2_profiler \ 891 _gcov_pow2_profiler_atomic \ 892 _gcov_one_value_profiler \ 893 _gcov_one_value_profiler_atomic \ 894 _gcov_average_profiler \ 895 _gcov_average_profiler_atomic \ 896 _gcov_ior_profiler \ 897 _gcov_ior_profiler_atomic \ 898 _gcov_indirect_call_profiler_v2 \ 899 _gcov_time_profiler \ 900 _gcov_indirect_call_topn_profiler 901LIBGCOV_INTERFACE = _gcov_dump _gcov_flush _gcov_fork \ 902 _gcov_execl _gcov_execlp \ 903 _gcov_execle _gcov_execv _gcov_execvp _gcov_execve _gcov_reset 904LIBGCOV_DRIVER = _gcov 905 906libgcov-merge-objects = $(patsubst %,%$(objext),$(LIBGCOV_MERGE)) 907libgcov-profiler-objects = $(patsubst %,%$(objext),$(LIBGCOV_PROFILER)) 908libgcov-interface-objects = $(patsubst %,%$(objext),$(LIBGCOV_INTERFACE)) 909libgcov-driver-objects = $(patsubst %,%$(objext),$(LIBGCOV_DRIVER)) 910libgcov-objects = $(libgcov-merge-objects) $(libgcov-profiler-objects) \ 911 $(libgcov-interface-objects) $(libgcov-driver-objects) 912 913$(libgcov-merge-objects): %$(objext): $(srcdir)/libgcov-merge.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 914 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-merge.c 915$(libgcov-profiler-objects): %$(objext): $(srcdir)/libgcov-profiler.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 916 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-profiler.c 917$(libgcov-interface-objects): %$(objext): $(srcdir)/libgcov-interface.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 918 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-interface.c 919$(libgcov-driver-objects): %$(objext): $(srcdir)/libgcov-driver.c \ 920 $(srcdir)/libgcov-driver-system.c $(srcdir)/gcov.h $(srcdir)/libgcov.h 921 $(gcc_compile) -DL$* -c $(srcdir)/libgcov-driver.c 922 923 924# Static libraries. 925libgcc.a: $(libgcc-objects) 926libgcov.a: $(libgcov-objects) 927libunwind.a: $(libunwind-objects) 928libgcc_eh.a: $(libgcc-eh-objects) 929 930libgcc.a libgcov.a libunwind.a libgcc_eh.a: 931 -rm -f $@ 932 933 objects="$(objects)"; \ 934 if test -z "$$objects"; then \ 935 echo 'int __libgcc_eh_dummy;' > eh_dummy.c; \ 936 $(gcc_compile_bare) $(vis_hide) -c eh_dummy.c \ 937 -o eh_dummy$(objext); \ 938 objects=eh_dummy$(objext); \ 939 fi; \ 940 $(AR_CREATE_FOR_TARGET) $@ $$objects 941 942 $(RANLIB) $@ 943 944all: libgcc.a libgcov.a 945 946ifneq ($(LIBUNWIND),) 947all: libunwind.a 948endif 949 950ifeq ($(enable_shared),yes) 951all: libgcc_eh.a libgcc_s$(SHLIB_EXT) 952ifneq ($(LIBUNWIND),) 953all: libunwind$(SHLIB_EXT) 954libgcc_s$(SHLIB_EXT): libunwind$(SHLIB_EXT) 955endif 956 957# Map-file generation. 958ifneq ($(SHLIB_MKMAP),) 959libgcc.map.in: $(SHLIB_MAPFILES) 960 { cat $(SHLIB_MAPFILES) \ 961 | sed -e '/^[ ]*#/d' \ 962 -e 's/^%\(if\|else\|elif\|endif\|define\)/#\1/' \ 963 | $(gcc_compile_bare) -E -xassembler-with-cpp -; \ 964 } > tmp-$@ 965 mv tmp-$@ $@ 966libgcc.map: $(SHLIB_MKMAP) libgcc.map.in $(libgcc-s-objects) 967 { $(NM) $(SHLIB_NM_FLAGS) $(libgcc-s-objects); echo %%; \ 968 cat libgcc.map.in; \ 969 } | $(AWK) -f $(SHLIB_MKMAP) $(SHLIB_MKMAP_OPTS) > tmp-$@ 970 mv tmp-$@ $@ 971libgcc_s$(SHLIB_EXT): libgcc.map 972mapfile = libgcc.map 973endif 974 975libgcc-std.ver: $(srcdir)/libgcc-std.ver.in 976 sed -e 's/__PFX__/$(LIBGCC_VER_GNU_PREFIX)/g' \ 977 -e 's/__FIXPTPFX__/$(LIBGCC_VER_FIXEDPOINT_GNU_PREFIX)/g' < $< > $@ 978 979libgcc_s$(SHLIB_EXT): $(libgcc-s-objects) $(extra-parts) libgcc.a 980 # @multilib_flags@ is still needed because this may use 981 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly. 982 # @multilib_dir@ is not really necessary, but sometimes it has 983 # more uses than just a directory name. 984 $(mkinstalldirs) $(MULTIDIR) 985 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \ 986 @multilib_dir@,$(MULTIDIR),$(subst \ 987 @shlib_objs@,$(objects) libgcc.a,$(subst \ 988 @shlib_base_name@,libgcc_s,$(subst \ 989 @shlib_map_file@,$(mapfile),$(subst \ 990 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(subst \ 991 @shlib_slibdir@,$(shlib_slibdir),$(SHLIB_LINK)))))))) 992 993libunwind$(SHLIB_EXT): $(libunwind-s-objects) $(extra-parts) 994 # @multilib_flags@ is still needed because this may use 995 # $(GCC_FOR_TARGET) and $(LIBGCC2_CFLAGS) directly. 996 # @multilib_dir@ is not really necessary, but sometimes it has 997 # more uses than just a directory name. 998 $(mkinstalldirs) $(MULTIDIR) 999 $(subst @multilib_flags@,$(CFLAGS) -B./,$(subst \ 1000 @multilib_dir@,$(MULTIDIR),$(subst \ 1001 @shlib_objs@,$(objects),$(subst \ 1002 @shlib_base_name@,libunwind,$(subst \ 1003 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_LINK)))))) 1004 1005endif 1006 1007# Build the standard GCC startfiles and endfiles. 1008ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES) 1009crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps) 1010 1011ifeq ($(CUSTOM_CRTSTUFF),) 1012# Compile two additional files that are linked with every program 1013# linked using GCC on systems using COFF or ELF, for the sake of C++ 1014# constructors. 1015crtbegin$(objext): $(srcdir)/crtstuff.c 1016 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN 1017 1018crtend$(objext): $(srcdir)/crtstuff.c 1019 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END 1020 1021# These are versions of crtbegin and crtend for shared libraries. 1022crtbeginS$(objext): $(srcdir)/crtstuff.c 1023 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O 1024 1025crtendS$(objext): $(srcdir)/crtstuff.c 1026 $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O 1027 1028# This is a version of crtbegin for -static links. 1029crtbeginT$(objext): $(srcdir)/crtstuff.c 1030 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O 1031 1032# crtoffloadbegin and crtoffloadend contain symbols, that mark the begin and 1033# the end of tables with addresses, required for offloading. crtoffloadtable 1034# contains the array with addresses of those symbols. 1035crtoffloadbegin$(objext): $(srcdir)/offloadstuff.c 1036 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN 1037 1038crtoffloadend$(objext): $(srcdir)/offloadstuff.c 1039 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END 1040 1041crtoffloadtable$(objext): $(srcdir)/offloadstuff.c 1042 $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_TABLE 1043endif 1044 1045ifeq ($(enable_vtable_verify),yes) 1046# These are used in vtable verification; see comments in source files for 1047# more details. 1048 1049# Override -finhibit-size-directive to avoid mismatch between libgcc and libvtv 1050# compilations. 1051VTV_CFLAGS = $(CRTSTUFF_T_CFLAGS_S) -fno-inhibit-size-directive 1052 1053vtv_start$(objext): $(srcdir)/vtv_start.c 1054 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start.c 1055 1056vtv_end$(objext): $(srcdir)/vtv_end.c 1057 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end.c 1058 1059vtv_start_preinit$(objext): $(srcdir)/vtv_start_preinit.c 1060 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_start_preinit.c 1061 1062vtv_end_preinit$(objext): $(srcdir)/vtv_end_preinit.c 1063 $(crt_compile) $(VTV_CFLAGS) -c $(srcdir)/vtv_end_preinit.c 1064endif 1065 1066ifeq ($(CUSTOM_CRTIN),) 1067# -x assembler-with-cpp is only needed on case-insensitive filesystem. 1068crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S 1069 $(crt_compile) -c -x assembler-with-cpp $< 1070 1071crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S 1072 $(crt_compile) -c -x assembler-with-cpp $< 1073endif 1074 1075# Build extra startfiles in the libgcc directory. 1076.PHONY: libgcc-extra-parts 1077libgcc-extra-parts: $(EXTRA_PARTS) 1078 1079 # Early copyback; see "all" above for the rationale. The 1080 # early copy is necessary so that the gcc -B options find 1081 # the right startup files when linking shared libgcc. 1082 $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR) 1083 parts="$(EXTRA_PARTS)"; \ 1084 for file in $$parts; do \ 1085 rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \ 1086 $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \ 1087 case $$file in \ 1088 *.a) \ 1089 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \ 1090 esac; \ 1091 done 1092 1093all: $(extra-parts) 1094 1095$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \ 1096 $(libgcov-objects) \ 1097 $(libunwind-objects) $(libunwind-s-objects) \ 1098 $(EXTRA_PARTS): $(LIBGCC_LINKS) libgcc_tm.h 1099 1100# Copy unwind.h to the place where gcc will look for it at build-time 1101install-unwind_h-forbuild: unwind.h 1102 dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \ 1103 cp unwind.h $$dest; \ 1104 chmod a+r $$dest; \ 1105 sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/include/unwind.h 1106 1107# Copy unwind.h to the place where gcc will look at run-time, once installed 1108# 1109# This is redundant with the internal copy above when using a regular toplevel 1110# "install" target, because gcc's install will copy to the destination as well. 1111# 1112# This is however useful for "install-no-fixincludes" case, when only the gcc 1113# internal headers are copied by gcc's install. 1114install-unwind_h: 1115 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include 1116 $(INSTALL_DATA) unwind.h $(DESTDIR)$(libsubdir)/include 1117 1118all: install-unwind_h-forbuild 1119 1120install-gcov_h: 1121 $(mkinstalldirs) $(DESTDIR)$(libsubdir)/include 1122 $(INSTALL_DATA) $(srcdir)/gcov.h $(DESTDIR)$(libsubdir)/include 1123 1124# Documentation targets (empty). 1125.PHONY: info html dvi pdf install-info install-html install-pdf 1126 1127info: 1128install-info: 1129html: 1130install-html: 1131dvi: 1132pdf: 1133install-pdf: 1134 1135# Install rules. These do not depend on "all", so that they can be invoked 1136# recursively from it. 1137install-libunwind: 1138 $(mkinstalldirs) $(DESTDIR)$(inst_slibdir) 1139 1140 # NOTE: Maybe this should go into $(inst_libdir), but this 1141 # is where the old mklibgcc.in put it. 1142 $(INSTALL_DATA) libunwind.a $(DESTDIR)$(inst_slibdir)/ 1143 chmod 644 $(DESTDIR)$(inst_slibdir)/libunwind.a 1144 $(RANLIB) $(DESTDIR)$(inst_slibdir)/libunwind.a 1145 1146 $(subst @multilib_dir@,$(MULTIDIR),$(subst \ 1147 @shlib_base_name@,libunwind,$(subst \ 1148 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIBUNWIND_INSTALL)))) 1149 1150install-shared: 1151 $(mkinstalldirs) $(DESTDIR)$(inst_libdir) 1152 1153 $(INSTALL_DATA) libgcc_eh.a $(DESTDIR)$(inst_libdir)/ 1154 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc_eh.a 1155 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc_eh.a 1156 1157 $(subst @multilib_dir@,$(MULTIDIR),$(subst \ 1158 @shlib_base_name@,libgcc_s,$(subst \ 1159 @shlib_slibdir_qual@,$(MULTIOSSUBDIR),$(SHLIB_INSTALL)))) 1160 1161install-leaf: $(install-shared) $(install-libunwind) 1162 $(mkinstalldirs) $(DESTDIR)$(inst_libdir) 1163 1164 $(INSTALL_DATA) libgcc.a $(DESTDIR)$(inst_libdir)/ 1165 chmod 644 $(DESTDIR)$(inst_libdir)/libgcc.a 1166 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcc.a 1167 $(INSTALL_DATA) libgcov.a $(DESTDIR)$(inst_libdir)/ 1168 chmod 644 $(DESTDIR)$(inst_libdir)/libgcov.a 1169 $(RANLIB) $(DESTDIR)$(inst_libdir)/libgcov.a 1170 1171 parts="$(INSTALL_PARTS)"; \ 1172 for file in $$parts; do \ 1173 rm -f $(DESTDIR)$(inst_libdir)/$$file; \ 1174 $(INSTALL_DATA) $$file $(DESTDIR)$(inst_libdir)/; \ 1175 case $$file in \ 1176 *.a) \ 1177 $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \ 1178 esac; \ 1179 done 1180 1181install: install-leaf install-unwind_h install-gcov_h 1182 @: $(MAKE) ; $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install 1183 1184install-strip: install 1185 1186.PHONY: install install-shared install-libunwind install-strip 1187.PHONY: install-unwind_h install-unwind_h-forbuild 1188.PHONY: install-gcov_h 1189 1190# Don't export variables to the environment, in order to not confuse 1191# configure. 1192.NOEXPORT: 1193 1194include $(srcdir)/empty.mk $(wildcard *.dep) 1195