1dnl Process this file with autoconf to produce a configure script. 2dnl 3dnl And be careful when changing it! If you must add tests with square 4dnl brackets, be sure changequote invocations surround it. 5dnl 6dnl Copyright (C) 2012-2024 Free Software Foundation, Inc. 7dnl 8dnl This file is free software; you can redistribute it and/or modify 9dnl it under the terms of the GNU General Public License as published by 10dnl the Free Software Foundation; either version 3 of the License, or 11dnl (at your option) any later version. 12dnl 13dnl This program is distributed in the hope that it will be useful, 14dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 15dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16dnl GNU General Public License for more details. 17dnl 18dnl You should have received a copy of the GNU General Public License 19dnl along with this program; see the file COPYING3. If not see 20dnl <http://www.gnu.org/licenses/>. 21dnl 22dnl v2.5 needed for --bindir et al 23m4_include([../bfd/version.m4]) 24AC_INIT([gas], BFD_VERSION) 25AC_CONFIG_SRCDIR(as.h) 26 27dnl Autoconf 2.57 will find the aux dir without this. However, unless 28dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in 29dnl gas/ instead of gas/../. 30AC_CONFIG_AUX_DIR(..) 31AC_CANONICAL_TARGET 32 33AM_INIT_AUTOMAKE 34AM_SILENT_RULES([yes]) 35 36AC_PROG_CC 37AC_GNU_SOURCE 38AC_USE_SYSTEM_EXTENSIONS 39 40LT_INIT 41ACX_LARGEFILE 42ACX_PROG_CMP_IGNORE_INITIAL 43 44AC_ARG_ENABLE(targets, 45[ --enable-targets alternative target configurations besides the primary], 46[case "${enableval}" in 47 yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all') 48 ;; 49 no) enable_targets= ;; 50 *) enable_targets=$enableval ;; 51esac])dnl 52 53ac_checking= 54. ${srcdir}/../bfd/development.sh 55test "$development" = true && ac_checking=yes 56AC_ARG_ENABLE(checking, 57[ --enable-checking enable run-time checks], 58[case "${enableval}" in 59 no|none) ac_checking= ;; 60 *) ac_checking=yes ;; 61esac])dnl 62if test x$ac_checking != x ; then 63 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.]) 64fi 65 66# PR gas/19109 67# Decide the default method for compressing debug sections. 68ac_default_compressed_debug_sections=unset 69# Provide a configure time option to override our default. 70AC_ARG_ENABLE(compressed_debug_sections, 71 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}], 72 [compress debug sections by default]), 73[case ,"${enableval}", in 74 ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;; 75 ,no, | ,none,) ac_default_compressed_debug_sections=no ;; 76 *) ac_default_compressed_debug_sections=unset ;; 77esac])dnl 78 79# Select default compression algorithm. 80ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_GABI_ZLIB 81AC_ARG_ENABLE(default_compressed_debug_sections_algorithm, 82 AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}], 83 [Default compression algorithm for --enable-compressed-debug-sections.]), 84[case "${enableval}" in 85 zstd) ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_ZSTD ;; 86esac])dnl 87 88# PR gas/19520 89# Decide if x86 assembler should generate relax relocations. 90ac_default_x86_relax_relocations=unset 91# Provide a configure time option to override our default. 92AC_ARG_ENABLE(x86_relax_relocations, 93 AS_HELP_STRING([--enable-x86-relax-relocations], 94 [generate x86 relax relocations by default]), 95[case "${enableval}" in 96 no) ac_default_x86_relax_relocations=0 ;; 97esac])dnl 98 99# Decide if ELF assembler should generate common symbols with the 100# STT_COMMON type. 101ac_default_elf_stt_common=unset 102# Provide a configure time option to override our default. 103AC_ARG_ENABLE(elf_stt_common, 104 AS_HELP_STRING([--enable-elf-stt-common], 105 [generate ELF common symbols with STT_COMMON type by default]), 106[case "${enableval}" in 107 yes) ac_default_elf_stt_common=1 ;; 108esac])dnl 109 110 111# Decide if the ELF assembler should default to generating 112# GNU Build notes if none are provided by the input. 113ac_default_generate_build_notes=0 114# Provide a configuration option to override the default. 115AC_ARG_ENABLE(generate_build_notes, 116 AS_HELP_STRING([--enable-generate-build-notes], 117 [generate GNU Build notes if none are provided by the input]), 118[case "${enableval}" in 119 yes) ac_default_generate_build_notes=1 ;; 120 no) ac_default_generate_build_notes=0 ;; 121esac])dnl 122 123# Decide if the MIPS assembler should default to enable MIPS fix Loongson3 124# LLSC errata. 125ac_default_mips_fix_loongson3_llsc=unset 126# Provide a configuration option to override the default. 127AC_ARG_ENABLE(mips-fix-loongson3-llsc, 128 AS_HELP_STRING([--enable-mips-fix-loongson3-llsc], 129 [enable MIPS fix Loongson3 LLSC errata]), 130[case "${enableval}" in 131 yes) ac_default_mips_fix_loongson3_llsc=1 ;; 132 no) ac_default_mips_fix_loongson3_llsc=0 ;; 133esac])dnl 134 135# Decide if the x86 ELF assembler should default to generating GNU x86 136# used ISA and feature properties. 137ac_default_generate_x86_used_note=unset 138# Provide a configuration option to override the default. 139AC_ARG_ENABLE(x86-used-note, 140 AS_HELP_STRING([--enable-x86-used-note], 141 [generate GNU x86 used ISA and feature properties]), 142[case "${enableval}" in 143 yes) ac_default_generate_x86_used_note=1 ;; 144 no) ac_default_generate_x86_used_note=0 ;; 145esac])dnl 146 147# Decide if the RISC-V ELF assembler should default to generating attribute. 148ac_default_generate_riscv_attr=unset 149# Provide a configuration option to override the default. 150AC_ARG_ENABLE(default-riscv-attribute, 151 AS_HELP_STRING([--enable-default-riscv-attribute], 152 [generate RISC-V arch attribute by default]), 153[case "${enableval}" in 154 yes) ac_default_generate_riscv_attr=1 ;; 155 no) ac_default_generate_riscv_attr=0 ;; 156esac])dnl 157 158using_cgen=no 159 160AM_BINUTILS_WARNINGS 161 162# Generate a header file 163AC_CONFIG_HEADERS(config.h:config.in) 164 165dnl Option --with-cpu=TYPE allows configure type control of the default 166dnl cpu type within the assembler. Currently only the ARC target 167dnl supports this feature, but others may be added in the future. 168AC_ARG_WITH(cpu, 169 AS_HELP_STRING([--with-cpu=CPU], 170 [default cpu variant is CPU (currently only supported on ARC)]), 171 [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU, 172 "${with_cpu}", 173 [Target specific CPU.])], 174 []) 175 176# PR 14072 177AH_VERBATIM([00_CONFIG_H_CHECK], 178[/* Check that config.h is #included before system headers 179 (this works only for glibc, but that should be enough). */ 180#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__) 181# error config.h must be #included before system headers 182#endif 183#define __CONFIG_H__ 1]) 184 185# If we are on a DOS filesystem, we must use gdb.ini rather than 186# .gdbinit. 187case "${host}" in 188 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*) 189 GDBINIT="gdb.ini" 190 AC_CONFIG_FILES(gdb.ini:gdbinit.in) 191 ;; 192 *) 193 GDBINIT=".gdbinit" 194 AC_CONFIG_FILES(.gdbinit:gdbinit.in) 195 ;; 196esac 197AC_SUBST(GDBINIT) 198 199#We need this for the host. 200AC_C_BIGENDIAN 201 202te_file=generic 203 204# Makefile target for installing gas in $(tooldir)/bin. 205install_tooldir=install-exec-tooldir 206 207canon_targets="" 208all_targets=no 209if test -n "$enable_targets" ; then 210 for t in `echo $enable_targets | sed 's/,/ /g'`; do 211 if test $t = "all"; then 212 all_targets=yes 213 continue 214 fi 215 result=`$ac_config_sub $t 2>/dev/null` 216 if test -n "$result" ; then 217 canon_targets="$canon_targets $result" 218# else 219# # Permit "all", etc. We don't support it yet though. 220# canon_targets="$canon_targets $t" 221 fi 222 done 223 GAS_UNIQ(canon_targets) 224fi 225 226emulations="" 227 228for this_target in $target $canon_targets ; do 229 230 targ=${this_target} 231 . ${srcdir}/configure.tgt 232 233 case ${target_cpu} in 234 crisv32) 235 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch, 236 [Default CRIS architecture.]) 237 ;; 238 esac 239 240 if test ${this_target} = $target ; then 241 target_cpu_type=${cpu_type} 242 elif test ${target_cpu_type} != ${cpu_type} ; then 243 continue 244 fi 245 246 generic_target=${cpu_type}-${target_vendor}-${target_os} 247 case ${generic_target} in 248 i386-*-msdosdjgpp* \ 249 | i386-*-go32*) 250 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?]) 251 ;; 252 253 i386-*-linux-* | x86_64-*-linux-*) 254 if test ${this_target} = $target \ 255 && test ${ac_default_generate_x86_used_note} = unset; then 256 ac_default_generate_x86_used_note=1 257 fi 258 ;; 259 260 i386-*-solaris2 \ 261 | x86_64-*-solaris2 \ 262 | i386-*-solaris2.[[0-9]] \ 263 | i386-*-solaris2.1[[01]] \ 264 | x86_64-*-solaris2.1[[01]]) 265 if test ${this_target} = $target \ 266 && test ${ac_default_x86_relax_relocations} = unset; then 267 ac_default_x86_relax_relocations=0 268 fi 269 ;; 270 271 microblaze*) 272 ;; 273 274changequote(,)dnl 275 ppc-*-aix5.[01]*) 276 ;; 277 ppc-*-aix[5-9].*) 278changequote([,])dnl 279 AC_DEFINE(AIX_WEAK_SUPPORT, 1, 280 [Define if using AIX 5.2 value for C_WEAKEXT.]) 281 ;; 282 ppc-*-solaris*) 283 if test ${this_target} = $target; then 284 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1, 285 [Define if default target is PowerPC Solaris.]) 286 fi 287 if test x${endian} = xbig; then 288 AC_MSG_ERROR(Solaris must be configured little endian) 289 fi 290 ;; 291 esac 292 293 if test ${this_target} = $target ; then 294 endian_def= 295 if test x${endian} = xbig; then 296 endian_def=1 297 elif test x${endian} = xlittle; then 298 endian_def=0 299 fi 300 if test x${endian_def} != x; then 301 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def, 302 [Define as 1 if big endian.]) 303 fi 304 fi 305 306# Other random stuff. 307 308 case ${cpu_type} in 309 mips) 310 # Set mips_cpu to the name of the default CPU. 311 case ${target_cpu} in 312 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el | mips64eb | mipsn64el | mipsn64eb ) 313 mips_cpu=from-abi 314 ;; 315 mipsisa32 | mipsisa32el) 316 mips_cpu=mips32 317 ;; 318 mipsisa32r2 | mipsisa32r2el) 319 mips_cpu=mips32r2 320 ;; 321 mipsisa32r3 | mipsisa32r3el) 322 mips_cpu=mips32r3 323 ;; 324 mipsisa32r5 | mipsisa32r5el) 325 mips_cpu=mips32r5 326 ;; 327 mipsisa32r6 | mipsisa32r6el) 328 mips_cpu=mips32r6 329 ;; 330 mipsisa64 | mipsisa64el) 331 mips_cpu=mips64 332 ;; 333 mipsisa64r2 | mipsisa64r2el) 334 mips_cpu=mips64r2 335 ;; 336 mipsisa64r3 | mipsisa64r3el) 337 mips_cpu=mips64r3 338 ;; 339 mipsisa64r5 | mipsisa64r5el) 340 mips_cpu=mips64r5 341 ;; 342 mipsisa64r6 | mipsisa64r6el) 343 mips_cpu=mips64r6 344 ;; 345 mipstx39 | mipstx39el) 346 mips_cpu=r3900 347 ;; 348 mips64vr | mips64vrel) 349 mips_cpu=vr4100 350 ;; 351 mipsisa32r2* | mipsisa64r2*) 352changequote(,)dnl 353 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'` 354changequote([,])dnl 355 ;; 356 mipsisa32r6* | mipsisa64r6*) 357changequote(,)dnl 358 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'` 359changequote([,])dnl 360 ;; 361 mips64* | mipsisa64* | mipsisa32*) 362changequote(,)dnl 363 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'` 364changequote([,])dnl 365 ;; 366 mips*) 367changequote(,)dnl 368 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'` 369changequote([,])dnl 370 ;; 371 *) 372 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name) 373 ;; 374 esac 375 # See whether it's appropriate to set EF_MIPS_ABI_O32 for o32 376 # binaries. It's a GNU extension that some OSes don't understand. 377 case ${target} in 378 *-*-irix*) 379 use_ef_mips_abi_o32=0 380 ;; 381 *) 382 use_ef_mips_abi_o32=1 383 ;; 384 esac 385 # If Vendor is IMG, then MIPSr6 is used 386 case ${target} in 387 mips*-img-*) 388 mips_cpu=mips32r6 389 ;; 390 esac 391 # Decide whether to generate 32-bit or 64-bit code by default. 392 # Used to resolve -march=from-abi when an embedded ABI is selected. 393 case ${target} in 394 mips64*-*-* | mipsisa64*-*-*) 395 mips_default_64bit=1 396 ;; 397 *) 398 mips_default_64bit=0 399 ;; 400 esac 401 # Decide which ABI to target by default. 402 case ${target} in 403 mips64*-openbsd* | mips64*-linux-gnuabi64) 404 mips_default_abi=N64_ABI 405 ;; 406 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \ 407 | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*) 408 mips_default_abi=N32_ABI 409 ;; 410 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu) 411 mips_default_abi=O32_ABI 412 ;; 413 *) 414 mips_default_abi=NO_ABI 415 ;; 416 esac 417 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu", 418 [Default CPU for MIPS targets. ]) 419 AC_DEFINE_UNQUOTED(USE_EF_MIPS_ABI_O32, $use_ef_mips_abi_o32, 420 [Allow use of EF_MIPS_ABI_O32 on MIPS targets. ]) 421 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit, 422 [Generate 64-bit code by default on MIPS targets. ]) 423 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi, 424 [Choose a default ABI for MIPS targets. ]) 425 ;; 426 esac 427 428 # Do we need the opcodes library? 429 case ${cpu_type} in 430 vax | tic30 | i386 | arm) 431 ;; 432 433 *) 434 need_opcodes=yes 435 436 case "${enable_shared}" in 437 yes) shared_opcodes=true ;; 438 *opcodes*) shared_opcodes=true ;; 439 *) shared_opcodes=false ;; 440 esac 441 ;; 442 esac 443 444 # Any other special object files needed ? 445 case ${cpu_type} in 446 447 bfin) 448 for f in config/bfin-parse.o config/bfin-lex-wrapper.o; do 449 case " $extra_objects " in 450 *" $f "*) ;; 451 *) extra_objects="$extra_objects $f" ;; 452 esac 453 done 454 ;; 455 456 bpf) 457 if test $this_target = $target ; then 458 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) 459 fi 460 ;; 461 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k) 462 using_cgen=yes 463 ;; 464 465 loongarch) 466 for f in config/loongarch-parse.o config/loongarch-lex-wrapper.o; do 467 case " $extra_objects " in 468 *" $f "*) ;; 469 *) extra_objects="$extra_objects $f" ;; 470 esac 471 done 472 # --target=loongarch[32|64]-*-*. */ 473 if test $this_target = $target ; then 474 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) 475 fi 476 ;; 477 478 m32c) 479 using_cgen=yes 480 ;; 481 frv) 482 using_cgen=yes 483 ;; 484 kvx) 485 for f in config/kvx-parse.o; do 486 case " $extra_objects " in 487 *" $f "*) ;; 488 *) extra_objects="$extra_objects $f" ;; 489 esac 490 done 491 ;; 492 m68k) 493 f=config/m68k-parse.o 494 case " $extra_objects " in 495 *" $f "*) ;; 496 *) extra_objects="$extra_objects $f" ;; 497 esac 498 ;; 499 500 mep) 501 using_cgen=yes 502 ;; 503 504 mips) 505 for f in itbl-parse.o itbl-lex-wrapper.o itbl-ops.o; do 506 case " $extra_objects " in 507 *" $f "*) ;; 508 *) extra_objects="$extra_objects $f" ;; 509 esac 510 done 511 ;; 512 513 mt) 514 using_cgen=yes 515 ;; 516 517 nds32) 518 # setup NDS32_LINUX_TOOLCHAIN definition 519 if test "linux" = $em; then 520 AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 1, 521 [Define value for nds32_linux_toolchain]) 522 else 523 AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 0, 524 [Define default value for nds32_linux_toolchain]) 525 fi 526 527 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features 528 # based on arch_name. 529 AC_MSG_CHECKING(for default configuration of --with-arch) 530 if test "x${with_arch}" != x; then 531 case ${with_arch} in 532 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 ) 533 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch", 534 [Define value for nds32_arch_name]) 535 ;; 536 *) 537 AC_MSG_ERROR(This kind of arch name does *NOT* exist!) 538 ;; 539 esac 540 fi 541 AC_MSG_RESULT($with_arch) 542 543 # Decide features one by one. 544 AC_MSG_CHECKING(for default configuration of --enable-dx-regs) 545 if test "x${enable_dx_regs}" = xyes; then 546 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1, 547 [Define value for nds32_dx_regs]) 548 else 549 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0, 550 [Define default value for nds32_dx_regs]) 551 fi 552 AC_MSG_RESULT($enable_dx_regs) 553 554 AC_MSG_CHECKING(for default configuration of --enable-perf-ext) 555 if test "x${enable_perf_ext}" = xno; then 556 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0, 557 [Define value for nds32_perf_ext]) 558 else 559 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1, 560 [Define default value for nds32_perf_ext]) 561 fi 562 AC_MSG_RESULT($enable_perf_ext) 563 564 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2) 565 if test "x${enable_perf_ext2}" = xno; then 566 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0, 567 [Define value for nds32_perf_ext2]) 568 else 569 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1, 570 [Define default value for nds32_perf_ext2]) 571 fi 572 AC_MSG_RESULT($enable_perf_ext2) 573 574 AC_MSG_CHECKING(for default configuration of --enable-string-ext) 575 if test "x${enable_string_ext}" = xno; then 576 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0, 577 [Define value for nds32_string_ext]) 578 else 579 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1, 580 [Define default value for nds32_string_ext]) 581 fi 582 AC_MSG_RESULT($enable_string_ext) 583 584 AC_MSG_CHECKING(for default configuration of --enable-audio-ext) 585 if test "x${enable_audio_ext}" = xno; then 586 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0, 587 [Define value for nds32_audio_ext]) 588 else 589 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1, 590 [Define default value for nds32_audio_ext]) 591 fi 592 AC_MSG_RESULT($enable_audio_ext) 593 594 AC_MSG_CHECKING(for default configuration of --enable-dsp-ext) 595 if test "x${enable_dsp_ext}" = xno; then 596 AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 0, 597 [Define value for nds32_dsp_ext]) 598 else 599 AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 1, 600 [Define default value for nds32_dsp_ext]) 601 fi 602 AC_MSG_RESULT($enable_dsp_ext) 603 604 AC_MSG_CHECKING(for default configuration of --enable-zol-ext) 605 if test "x${enable_zol_ext}" = xno; then 606 AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 0, 607 [Define value for nds32_zol_ext]) 608 else 609 AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 1, 610 [Define default value for nds32_zol_ext]) 611 fi 612 AC_MSG_RESULT($enable_zol_ext) 613 ;; 614 615 aarch64 | i386 | s390 | sparc) 616 if test $this_target = $target ; then 617 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) 618 fi 619 ;; 620 621 riscv) 622 # --target=riscv[32|64]-*-*. */ 623 if test $this_target = $target ; then 624 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) 625 fi 626 627 # --with-arch=<value>. The syntax of <value> is same as Gas option -march. 628 AC_MSG_CHECKING(for default configuration of --with-arch) 629 if test "x${with_arch}" != x; then 630 AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ARCH_WITH_EXT, "$with_arch", 631 [Define default value for RISC-V -march.]) 632 fi 633 AC_MSG_RESULT($with_arch) 634 635 # --with-isa-spec=[2.2|20190608|20191213]. 636 AC_MSG_CHECKING(for default configuration of --with-isa-spec) 637 if test "x${with_isa_spec}" != x; then 638 AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ISA_SPEC, "$with_isa_spec", 639 [Define default value for RISC-V -misa-spec.]) 640 fi 641 AC_MSG_RESULT($with_isa_spec) 642 643 # --with-priv-spec=[1.9.1|1.10|1.11|1.12]. 644 AC_MSG_CHECKING(for default configuration of --with-priv-spec) 645 if test "x${with_priv_spec}" != x; then 646 AC_DEFINE_UNQUOTED(DEFAULT_RISCV_PRIV_SPEC, "$with_priv_spec", 647 [Define default value for RISC-V -mpriv-spec]) 648 fi 649 AC_MSG_RESULT($with_priv_spec) 650 ;; 651 652 rl78) 653 f=config/rl78-parse.o 654 case " $extra_objects " in 655 *" $f "*) ;; 656 *) extra_objects="$extra_objects $f" ;; 657 esac 658 ;; 659 660 rx) 661 f=config/rx-parse.o 662 case " $extra_objects " in 663 *" $f "*) ;; 664 *) extra_objects="$extra_objects $f" ;; 665 esac 666 ;; 667 668 xstormy16) 669 using_cgen=yes 670 ;; 671 672 xtensa) 673 f=config/xtensa-relax.o 674 case " $extra_objects " in 675 *" $f "*) ;; 676 *) extra_objects="$extra_objects $f" ;; 677 esac 678 ;; 679 680 *) 681 ;; 682 esac 683 684 if test $using_cgen = yes ; then 685 f=cgen.o 686 case " $extra_objects " in 687 *" $f "*) ;; 688 *) extra_objects="$extra_objects $f" ;; 689 esac 690 fi 691 692# See if we really can support this configuration with the emulation code. 693 694 if test $this_target = $target ; then 695 obj_format=$fmt 696 te_file=$em 697 fi 698 699 case ${te_file} in 700 vms) 701 f=config/te-vms.o 702 case " $extra_objects " in 703 *" $f "*) ;; 704 *) extra_objects="$extra_objects $f" ;; 705 esac ;; 706 esac 707 708# From target name and format, produce a list of supported emulations. 709 710 case ${generic_target}-${fmt} in 711 mips-*-*-*) case "$endian" in 712 big) emulation="mipsbelf mipslelf mipself" ;; 713 *) emulation="mipslelf mipsbelf mipself" ;; 714 esac ;; 715 # i386-pc-pe-coff != i386-pc-coff. 716 i386-*-pe-coff) ;; 717 # Uncommenting the next line will turn on support for i386 AOUT 718 # for the default linux configuration 719 # i386-*-linux*-elf) emulation="i386elf i386aout" ;; 720 # 721 i386-*-aout) emulation="i386aout" ;; 722 i386-*-coff) emulation="i386coff" ;; 723 i386-*-elf) emulation="i386elf" ;; 724 725 # Always all formats. The first stated emulation becomes the default. 726 cris-*-*aout*) emulation="crisaout criself" ;; 727 cris-*-*) emulation="criself crisaout" ;; 728 esac 729 730 emulations="$emulations $emulation" 731 732done 733 734if test ${ac_default_x86_relax_relocations} = unset; then 735 ac_default_x86_relax_relocations=1 736fi 737AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS, 738 $ac_default_x86_relax_relocations, 739 [Define to 1 if you want to generate x86 relax relocations by default.]) 740 741if test ${ac_default_elf_stt_common} = unset; then 742 ac_default_elf_stt_common=0 743fi 744AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON, 745 $ac_default_elf_stt_common, 746 [Define to 1 if you want to generate ELF common symbols with the 747 STT_COMMON type by default.]) 748 749AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES, 750 $ac_default_generate_build_notes, 751 [Define to 1 if you want to generate GNU Build attribute notes 752 by default, if none are contained in the input.]) 753 754if test ${ac_default_generate_x86_used_note} = unset; then 755 ac_default_generate_x86_used_note=0 756fi 757AC_DEFINE_UNQUOTED(DEFAULT_X86_USED_NOTE, 758 $ac_default_generate_x86_used_note, 759 [Define to 1 if you want to generate GNU x86 used ISA and feature 760 properties by default.]) 761 762if test ${ac_default_generate_riscv_attr} = unset; then 763 ac_default_generate_riscv_attr=1 764fi 765 766AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ATTR, 767 $ac_default_generate_riscv_attr, 768 [Define to 1 if you want to generate RISC-V arch attribute by default.]) 769 770if test ${ac_default_mips_fix_loongson3_llsc} = unset; then 771 ac_default_mips_fix_loongson3_llsc=0 772fi 773AC_DEFINE_UNQUOTED(DEFAULT_MIPS_FIX_LOONGSON3_LLSC, 774 $ac_default_mips_fix_loongson3_llsc, 775 [Define to 1 if you want to fix Loongson3 LLSC Errata by default.]) 776 777if test x$ac_default_compressed_debug_sections = xyes ; then 778 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.]) 779fi 780 781AC_DEFINE_UNQUOTED(DEFAULT_COMPRESSED_DEBUG_ALGORITHM, $ac_default_compressed_debug_sections_algorithm, 782 [Default compression algorithm for --enable-compressed-debug-sections.]) 783 784# Turn on all targets if possible 785if test ${all_targets} = "yes"; then 786 case ${target_cpu_type} in 787 i386) 788 case ${obj_format} in 789 aout) 790 emulations="$emulations i386coff i386elf" 791 ;; 792 coff) 793 emulations="$emulations i386aout i386elf" 794 ;; 795 elf) 796 emulations="$emulations i386aout i386coff" 797 ;; 798 esac 799 ;; 800 x86_64) 801 case ${obj_format} in 802 aout) 803 emulations="$emulations i386coff i386elf" 804 ;; 805 coff) 806 emulations="$emulations i386aout i386elf" 807 ;; 808 elf) 809 emulations="$emulations i386aout i386coff" 810 ;; 811 esac 812 ;; 813 esac 814fi 815 816# PE code has way too many macros tweaking behaviour 817case ${te_file} in 818 pe*) emulations="" ;; 819esac 820 821# Assign floating point type. Most processors with FP support 822# IEEE FP. On those that don't support FP at all, usually IEEE 823# is emulated. 824case ${target_cpu} in 825 vax | pdp11 ) atof=vax ;; 826 *) atof=ieee ;; 827esac 828 829case "${obj_format}" in 830 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;; 831esac 832 833# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU). 834cgen_cpu_prefix="" 835if test $using_cgen = yes ; then 836 case ${target_cpu} in 837 or1knd) 838 cgen_cpu_prefix=or1k ;; 839 *) cgen_cpu_prefix=${target_cpu} ;; 840 esac 841 AC_SUBST(cgen_cpu_prefix) 842 AC_DEFINE(USING_CGEN, 1, [Using cgen code?]) 843fi 844 845dnl 846dnl Make sure the desired support files exist. 847dnl 848 849if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then 850 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) 851fi 852 853if test ! -r ${srcdir}/config/obj-${obj_format}.c; then 854 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) 855fi 856 857# Some COFF configurations want these random other flags set. 858case ${obj_format} in 859 coff) 860 case ${target_cpu_type} in 861 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;; 862 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;; 863 esac 864 ;; 865esac 866 867# Getting this done right is going to be a bitch. Each configuration specified 868# with --enable-targets=... should be checked for environment, format, cpu 869# setting. 870# 871# For each configuration, the necessary object file support code must be linked 872# in. This might be only one, it might be up to four. The necessary emulation 873# code needs to be provided, too. 874# 875# And then there's "--enable-targets=all".... 876# 877# For now, just always do it for MIPS ELF configurations. Sigh. 878 879formats="${obj_format}" 880emfiles="" 881EMULATIONS="" 882GAS_UNIQ(emulations) 883for em in . $emulations ; do 884 case $em in 885 .) continue ;; 886 mipsbelf | mipslelf | mipself) 887 fmt=elf file=mipself ;; 888 *coff) 889 fmt=coff file=$em ;; 890 *aout) 891 fmt=aout file=$em ;; 892 *elf) 893 fmt=elf file=$em ;; 894 esac 895 formats="$formats $fmt" 896 emfiles="$emfiles config/e-$file.o" 897 EMULATIONS="$EMULATIONS &$em," 898done 899GAS_UNIQ(formats) 900GAS_UNIQ(emfiles) 901if test `set . $formats ; shift ; echo $#` -gt 1 ; then 902 for fmt in $formats ; do 903 case $fmt in 904 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;; 905 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;; 906 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;; 907 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;; 908 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;; 909 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;; 910 esac 911 extra_objects="$extra_objects config/obj-$fmt.o" 912 done 913 obj_format=multi 914fi 915if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then 916 DEFAULT_EMULATION=`set . $emulations ; echo $2` 917 # e-mipself has more than one emulation per file, e-i386* has just one at the 918 # moment. If only one emulation is specified, then don't define 919 # USE_EMULATIONS or include any of the e-files as they will only be bloat. 920 case "${obj_format}${emfiles}" in 921 multi* | *mipself*) 922 extra_objects="$extra_objects $emfiles" 923 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;; 924 esac 925fi 926AC_SUBST(extra_objects) 927AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.]) 928AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION", 929 [Default emulation.]) 930 931reject_dev_configs=yes 932 933case ${reject_dev_configs}-${dev} in 934 yes-yes) # Oops. 935 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) 936 ;; 937esac 938 939AC_SUBST(target_cpu_type) 940AC_SUBST(obj_format) 941AC_SUBST(te_file) 942AC_SUBST(install_tooldir) 943AC_SUBST(atof) 944dnl AC_SUBST(emulation) 945 946# do we need the opcodes library? 947case "${need_opcodes}" in 948yes) 949 OPCODES_LIB=../opcodes/libopcodes.la 950 ;; 951esac 952 953AC_SUBST(OPCODES_LIB) 954 955AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.]) 956AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.]) 957AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.]) 958AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.]) 959AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.]) 960 961AC_PROG_YACC 962AM_PROG_LEX 963 964ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN" 965ZW_GNU_GETTEXT_SISTER_DIR 966AM_PO_SUBDIRS 967 968AM_MAINTAINER_MODE 969AM_CONDITIONAL(GENINSRC_NEVER, false) 970AC_EXEEXT 971 972AC_CHECK_HEADERS(memory.h sys/stat.h sys/types.h unistd.h) 973 974# Put this here so that autoconf's "cross-compiling" message doesn't confuse 975# people who are not cross-compiling but are compiling cross-assemblers. 976AC_MSG_CHECKING(whether compiling a cross-assembler) 977if test "${host}" = "${target}"; then 978 cross_gas=no 979else 980 cross_gas=yes 981 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?]) 982fi 983AC_MSG_RESULT($cross_gas) 984 985AC_CHECK_FUNCS(strsignal) 986 987AM_LC_MESSAGES 988 989# do we need the math library? 990case "${need_libm}" in 991yes) 992 LT_LIB_M 993 AC_SUBST(LIBM) 994 ;; 995esac 996 997# Some non-ANSI preprocessors botch requoting inside strings. That's bad 998# enough, but on some of those systems, the assert macro relies on requoting 999# working properly! 1000GAS_WORKING_ASSERT 1001 1002# On some systems, the system header files may not declare malloc, realloc, 1003# and free. There are places where gas needs these functions to have been 1004# declared -- such as when taking their addresses. 1005gas_test_headers=" 1006#ifdef HAVE_MEMORY_H 1007#include <memory.h> 1008#endif 1009#include <string.h> 1010#include <stdlib.h> 1011#ifdef HAVE_UNISTD_H 1012#include <unistd.h> 1013#endif 1014" 1015 1016AC_MSG_CHECKING(for a known getopt prototype in unistd.h) 1017AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h, 1018[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], 1019gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)]) 1020AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h) 1021if test $gas_cv_decl_getopt_unistd_h = yes; then 1022 AC_DEFINE([HAVE_DECL_GETOPT], 1, 1023 [Is the prototype for getopt in <unistd.h> in the expected format?]) 1024fi 1025 1026GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers) 1027GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers) 1028 1029AC_CHECK_DECLS([asprintf, mempcpy, stpcpy]) 1030 1031BFD_BINARY_FOPEN 1032 1033# Link in zlib/zstd if we can. This allows us to write compressed debug sections. 1034AM_ZLIB 1035AC_ZSTD 1036 1037# Support for VMS timestamps via cross compile 1038 1039if test "$ac_cv_header_time_h" = yes; then 1040 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff) 1041fi 1042 1043if test "$ac_cv_header_sys_stat_h" = yes; then 1044 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec) 1045 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec) 1046fi 1047 1048 1049dnl Required for html, pdf, install-pdf and install-html targets. 1050AC_SUBST(datarootdir) 1051AC_SUBST(docdir) 1052AC_SUBST(htmldir) 1053AC_SUBST(pdfdir) 1054 1055dnl This must come last. 1056 1057dnl We used to make symlinks to files in the source directory, but now 1058dnl we just use the right name for .c files, and create .h files in 1059dnl the build directory which include the right .h file. Make sure 1060dnl the old symlinks don't exist, so that a reconfigure in an existing 1061dnl directory behaves reasonably. 1062 1063AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in) 1064AC_CONFIG_COMMANDS([default], 1065[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h 1066 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h 1067 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h 1068 echo '#include "te-'"${te_file}"'.h"' > targ-env.h 1069 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h 1070 if test "x$cgen_cpu_prefix" != x ; then 1071 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h 1072 fi], 1073[target_cpu_type=${target_cpu_type} 1074 cgen_cpu_prefix=${cgen_cpu_prefix} 1075 obj_format=${obj_format} 1076 te_file=${te_file}]) 1077 1078AC_OUTPUT 1079 1080GNU_MAKE_JOBSERVER 1081