gas/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl
   3 dnl And be careful when changing it!  If you must add tests with square
   4 dnl brackets, be sure changequote invocations surround it.
   5 dnl
   6 dnl   Copyright (C) 2012-2023 Free Software Foundation, Inc.
   7 dnl
   8 dnl This file is free software; you can redistribute it and/or modify
   9 dnl it under the terms of the GNU General Public License as published by
  10 dnl the Free Software Foundation; either version 3 of the License, or
  11 dnl (at your option) any later version.
  12 dnl
  13 dnl This program is distributed in the hope that it will be useful,
  14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 dnl GNU General Public License for more details.
  17 dnl
  18 dnl You should have received a copy of the GNU General Public License
  19 dnl along with this program; see the file COPYING3.  If not see
  20 dnl <http://www.gnu.org/licenses/>.
  21 dnl
  22 dnl v2.5 needed for --bindir et al
  23 m4_include([../bfd/version.m4])
  24 AC_INIT([gas], BFD_VERSION)
  25 AC_CONFIG_SRCDIR(as.h)
  26
  27 dnl Autoconf 2.57 will find the aux dir without this.  However, unless
  28 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
  29 dnl gas/ instead of gas/../.
  30 AC_CONFIG_AUX_DIR(..)
  31 AC_CANONICAL_TARGET
  32
  33 AM_INIT_AUTOMAKE
  34 AM_SILENT_RULES([yes])
  35
  36 AC_PROG_CC
  37 AC_GNU_SOURCE
  38 AC_USE_SYSTEM_EXTENSIONS
  39
  40 LT_INIT
  41 ACX_LARGEFILE
  42 ACX_PROG_CMP_IGNORE_INITIAL
  43
  44 AC_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 ;;
  51 esac])dnl
  52
  53 ac_checking=
  54 . ${srcdir}/../bfd/development.sh
  55 test "$development" = true && ac_checking=yes
  56 AC_ARG_ENABLE(checking,
  57 [  --enable-checking       enable run-time checks],
  58 [case "${enableval}" in
  59   no|none)  ac_checking= ;;
  60   *)        ac_checking=yes ;;
  61 esac])dnl
  62 if test x$ac_checking != x ; then
  63   AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
  64 fi
  65
  66 # PR gas/19109
  67 # Decide the default method for compressing debug sections.
  68 ac_default_compressed_debug_sections=unset
  69 # Provide a configure time option to override our default.
  70 AC_ARG_ENABLE(compressed_debug_sections,
  71               AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}],
  72               [compress debug sections by default]),
  73 [case ,"${enableval}", in
  74   ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;;
  75   ,no, | ,none,)  ac_default_compressed_debug_sections=no ;;
  76   *)   ac_default_compressed_debug_sections=unset ;;
  77 esac])dnl
  78
  79 # Select default compression algorithm.
  80 ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_GABI_ZLIB
  81 AC_ARG_ENABLE(default_compressed_debug_sections_algorithm,
  82               AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}],
  83               [Default compression algorithm for --enable-compressed-debug-sections.]),
  84 [case "${enableval}" in
  85    zstd) ac_default_compressed_debug_sections_algorithm=COMPRESS_DEBUG_ZSTD ;;
  86 esac])dnl
  87
  88 # PR gas/19520
  89 # Decide if x86 assembler should generate relax relocations.
  90 ac_default_x86_relax_relocations=unset
  91 # Provide a configure time option to override our default.
  92 AC_ARG_ENABLE(x86_relax_relocations,
  93               AS_HELP_STRING([--enable-x86-relax-relocations],
  94               [generate x86 relax relocations by default]),
  95 [case "${enableval}" in
  96   no)  ac_default_x86_relax_relocations=0 ;;
  97 esac])dnl
  98
  99 # Decide if ELF assembler should generate common symbols with the
 100 # STT_COMMON type.
 101 ac_default_elf_stt_common=unset
 102 # Provide a configure time option to override our default.
 103 AC_ARG_ENABLE(elf_stt_common,
 104               AS_HELP_STRING([--enable-elf-stt-common],
 105               [generate ELF common symbols with STT_COMMON type by default]),
 106 [case "${enableval}" in
 107   yes)  ac_default_elf_stt_common=1 ;;
 108 esac])dnl
 109
 110
 111 # Decide if the ELF assembler should default to generating
 112 # GNU Build notes if none are provided by the input.
 113 ac_default_generate_build_notes=0
 114 # Provide a configuration option to override the default.
 115 AC_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 "${enableval}" in
 119   yes)  ac_default_generate_build_notes=1 ;;
 120   no)   ac_default_generate_build_notes=0 ;;
 121 esac])dnl
 122
 123 # Decide if the MIPS assembler should default to enable MIPS fix Loongson3
 124 # LLSC errata.
 125 ac_default_mips_fix_loongson3_llsc=unset
 126 # Provide a configuration option to override the default.
 127 AC_ARG_ENABLE(mips-fix-loongson3-llsc,
 128              AS_HELP_STRING([--enable-mips-fix-loongson3-llsc],
 129              [enable MIPS fix Loongson3 LLSC errata]),
 130 [case "${enableval}" in
 131   yes)  ac_default_mips_fix_loongson3_llsc=1 ;;
 132   no)   ac_default_mips_fix_loongson3_llsc=0 ;;
 133 esac])dnl
 134
 135 # Decide if the x86 ELF assembler should default to generating GNU x86
 136 # used ISA and feature properties.
 137 ac_default_generate_x86_used_note=unset
 138 # Provide a configuration option to override the default.
 139 AC_ARG_ENABLE(x86-used-note,
 140               AS_HELP_STRING([--enable-x86-used-note],
 141               [generate GNU x86 used ISA and feature properties]),
 142 [case "${enableval}" in
 143   yes)  ac_default_generate_x86_used_note=1 ;;
 144   no)   ac_default_generate_x86_used_note=0 ;;
 145 esac])dnl
 146
 147 # Decide if the RISC-V ELF assembler should default to generating attribute.
 148 ac_default_generate_riscv_attr=unset
 149 # Provide a configuration option to override the default.
 150 AC_ARG_ENABLE(default-riscv-attribute,
 151               AS_HELP_STRING([--enable-default-riscv-attribute],
 152               [generate RISC-V arch attribute by default]),
 153 [case "${enableval}" in
 154   yes)  ac_default_generate_riscv_attr=1 ;;
 155   no)   ac_default_generate_riscv_attr=0 ;;
 156 esac])dnl
 157
 158 using_cgen=no
 159
 160 AM_BINUTILS_WARNINGS
 161
 162 # Generate a header file
 163 AC_CONFIG_HEADERS(config.h:config.in)
 164
 165 dnl Option --with-cpu=TYPE allows configure type control of the default
 166 dnl cpu type within the assembler.  Currently only the ARC target
 167 dnl supports this feature, but others may be added in the future.
 168 AC_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                                 "${with_cpu}",
 173                                 [Target specific CPU.])],
 174             [])
 175
 176 # PR 14072
 177 AH_VERBATIM([00_CONFIG_H_CHECK],
 178 [/* Check that config.h is #included before system headers
 179    (this works only for glibc, but that should be enough).  */
 180 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
 181 #  error config.h must be #included before system headers
 182 #endif
 183 #define __CONFIG_H__ 1])
 184
 185 # If we are on a DOS filesystem, we must use gdb.ini rather than
 186 # .gdbinit.
 187 case "${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     ;;
 196 esac
 197 AC_SUBST(GDBINIT)
 198
 199 #We need this for the host.
 200 AC_C_BIGENDIAN
 201
 202 te_file=generic
 203
 204 # Makefile target for installing gas in $(tooldir)/bin.
 205 install_tooldir=install-exec-tooldir
 206
 207 canon_targets=""
 208 all_targets=no
 209 if test -n "$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)
 224 fi
 225
 226 emulations=""
 227
 228 for 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
 274 changequote(,)dnl
 275       ppc-*-aix5.[01]*)
 276         ;;
 277       ppc-*-aix[5-9].*)
 278 changequote([,])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)
 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*)
 352 changequote(,)dnl
 353             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
 354 changequote([,])dnl
 355             ;;
 356           mipsisa32r6* | mipsisa64r6*)
 357 changequote(,)dnl
 358             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
 359 changequote([,])dnl
 360             ;;
 361           mips64* | mipsisa64* | mipsisa32*)
 362 changequote(,)dnl
 363             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
 364 changequote([,])dnl
 365             ;;
 366           mips*)
 367 changequote(,)dnl
 368             mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
 369 changequote([,])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 E_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_e_mips_abi_o32=0
 380             ;;
 381           *)
 382             use_e_mips_abi_o32=1
 383             ;;
 384         esac
 385         # Decide whether to generate 32-bit or 64-bit code by default.
 386         # Used to resolve -march=from-abi when an embedded ABI is selected.
 387         case ${target} in
 388           mips64*-*-* | mipsisa64*-*-*)
 389             mips_default_64bit=1
 390             ;;
 391           *)
 392             mips_default_64bit=0
 393             ;;
 394         esac
 395         # Decide which ABI to target by default.
 396         case ${target} in
 397           mips64*-openbsd* | mips64*-linux-gnuabi64)
 398             mips_default_abi=N64_ABI
 399             ;;
 400           mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
 401           | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
 402             mips_default_abi=N32_ABI
 403             ;;
 404           mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
 405             mips_default_abi=O32_ABI
 406             ;;
 407           *)
 408             mips_default_abi=NO_ABI
 409             ;;
 410         esac
 411         AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
 412                            [Default CPU for MIPS targets. ])
 413         AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
 414                            [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
 415         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
 416                            [Generate 64-bit code by default on MIPS targets. ])
 417         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
 418                            [Choose a default ABI for MIPS targets. ])
 419         ;;
 420     esac
 421
 422     # Do we need the opcodes library?
 423     case ${cpu_type} in
 424       vax | tic30 | i386 | arm)
 425         ;;
 426
 427       *)
 428         need_opcodes=yes
 429
 430         case "${enable_shared}" in
 431         yes) shared_opcodes=true ;;
 432         *opcodes*) shared_opcodes=true ;;
 433         *) shared_opcodes=false ;;
 434         esac
 435         ;;
 436     esac
 437
 438     # Any other special object files needed ?
 439     case ${cpu_type} in
 440
 441       bfin)
 442         for f in config/bfin-parse.o config/bfin-lex-wrapper.o; do
 443           case " $extra_objects " in
 444             *" $f "*) ;;
 445             *) extra_objects="$extra_objects $f" ;;
 446           esac
 447         done
 448         ;;
 449
 450       bpf)
 451         if test $this_target = $target ; then
 452           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 453         fi
 454         ;;
 455       epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
 456         using_cgen=yes
 457         ;;
 458
 459       loongarch)
 460         for f in config/loongarch-parse.o config/loongarch-lex-wrapper.o; do
 461           case " $extra_objects " in
 462             *" $f "*) ;;
 463             *) extra_objects="$extra_objects $f" ;;
 464           esac
 465         done
 466         # --target=loongarch[32|64]-*-*.  */
 467         if test $this_target = $target ; then
 468           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 469         fi
 470         ;;
 471
 472       m32c)
 473         using_cgen=yes
 474         ;;
 475       frv)
 476         using_cgen=yes
 477         ;;
 478       m68k)
 479         f=config/m68k-parse.o
 480         case " $extra_objects " in
 481           *" $f "*) ;;
 482           *) extra_objects="$extra_objects $f" ;;
 483         esac
 484         ;;
 485
 486       mep)
 487         using_cgen=yes
 488         ;;
 489
 490       mips)
 491         for f in itbl-parse.o itbl-lex-wrapper.o itbl-ops.o; do
 492           case " $extra_objects " in
 493             *" $f "*) ;;
 494             *) extra_objects="$extra_objects $f" ;;
 495           esac
 496         done
 497         ;;
 498
 499       mt)
 500         using_cgen=yes
 501         ;;
 502
 503       nds32)
 504         # setup NDS32_LINUX_TOOLCHAIN definition
 505         if test "linux" = $em; then
 506           AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 1,
 507             [Define value for nds32_linux_toolchain])
 508         else
 509           AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 0,
 510             [Define default value for nds32_linux_toolchain])
 511         fi
 512
 513         # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
 514         # based on arch_name.
 515         AC_MSG_CHECKING(for default configuration of --with-arch)
 516         if test "x${with_arch}" != x; then
 517           case ${with_arch} in
 518             v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
 519               AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
 520                                  [Define value for nds32_arch_name])
 521               ;;
 522             *)
 523               AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
 524               ;;
 525           esac
 526         fi
 527         AC_MSG_RESULT($with_arch)
 528
 529         # Decide features one by one.
 530         AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
 531         if test "x${enable_dx_regs}" = xyes; then
 532           AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
 533                     [Define value for nds32_dx_regs])
 534         else
 535           AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
 536                     [Define default value for nds32_dx_regs])
 537         fi
 538         AC_MSG_RESULT($enable_dx_regs)
 539
 540         AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
 541         if test "x${enable_perf_ext}" = xno; then
 542           AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
 543                     [Define value for nds32_perf_ext])
 544         else
 545           AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
 546                     [Define default value for nds32_perf_ext])
 547         fi
 548         AC_MSG_RESULT($enable_perf_ext)
 549
 550         AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
 551         if test "x${enable_perf_ext2}" = xno; then
 552           AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
 553                     [Define value for nds32_perf_ext2])
 554         else
 555           AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
 556                     [Define default value for nds32_perf_ext2])
 557         fi
 558         AC_MSG_RESULT($enable_perf_ext2)
 559
 560         AC_MSG_CHECKING(for default configuration of --enable-string-ext)
 561         if test "x${enable_string_ext}" = xno; then
 562           AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
 563                     [Define value for nds32_string_ext])
 564         else
 565           AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
 566                     [Define default value for nds32_string_ext])
 567         fi
 568         AC_MSG_RESULT($enable_string_ext)
 569
 570         AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
 571         if test "x${enable_audio_ext}" = xno; then
 572           AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
 573                     [Define value for nds32_audio_ext])
 574         else
 575           AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
 576                     [Define default value for nds32_audio_ext])
 577         fi
 578         AC_MSG_RESULT($enable_audio_ext)
 579
 580         AC_MSG_CHECKING(for default configuration of --enable-dsp-ext)
 581         if test "x${enable_dsp_ext}" = xno; then
 582           AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 0,
 583                     [Define value for nds32_dsp_ext])
 584         else
 585           AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 1,
 586                     [Define default value for nds32_dsp_ext])
 587         fi
 588         AC_MSG_RESULT($enable_dsp_ext)
 589
 590         AC_MSG_CHECKING(for default configuration of --enable-zol-ext)
 591         if test "x${enable_zol_ext}" = xno; then
 592           AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 0,
 593                     [Define value for nds32_zol_ext])
 594         else
 595           AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 1,
 596                     [Define default value for nds32_zol_ext])
 597         fi
 598         AC_MSG_RESULT($enable_zol_ext)
 599         ;;
 600
 601       aarch64 | i386 | s390 | sparc)
 602         if test $this_target = $target ; then
 603           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 604         fi
 605         ;;
 606
 607       riscv)
 608         # --target=riscv[32|64]-*-*.  */
 609         if test $this_target = $target ; then
 610           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 611         fi
 612
 613         # --with-arch=<value>.  The syntax of <value> is same as Gas option -march.
 614         AC_MSG_CHECKING(for default configuration of --with-arch)
 615         if test "x${with_arch}" != x; then
 616         AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ARCH_WITH_EXT, "$with_arch",
 617                            [Define default value for RISC-V -march.])
 618         fi
 619         AC_MSG_RESULT($with_arch)
 620
 621         # --with-isa-spec=[2.2|20190608|20191213].
 622         AC_MSG_CHECKING(for default configuration of --with-isa-spec)
 623         if test "x${with_isa_spec}" != x; then
 624           AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ISA_SPEC, "$with_isa_spec",
 625                              [Define default value for RISC-V -misa-spec.])
 626         fi
 627         AC_MSG_RESULT($with_isa_spec)
 628
 629         # --with-priv-spec=[1.9.1|1.10|1.11|1.12].
 630         AC_MSG_CHECKING(for default configuration of --with-priv-spec)
 631         if test "x${with_priv_spec}" != x; then
 632           AC_DEFINE_UNQUOTED(DEFAULT_RISCV_PRIV_SPEC, "$with_priv_spec",
 633                              [Define default value for RISC-V -mpriv-spec])
 634         fi
 635         AC_MSG_RESULT($with_priv_spec)
 636         ;;
 637
 638       rl78)
 639         f=config/rl78-parse.o
 640         case " $extra_objects " in
 641           *" $f "*) ;;
 642           *) extra_objects="$extra_objects $f" ;;
 643         esac
 644         ;;
 645
 646       rx)
 647         f=config/rx-parse.o
 648         case " $extra_objects " in
 649           *" $f "*) ;;
 650           *) extra_objects="$extra_objects $f" ;;
 651         esac
 652         ;;
 653
 654       xstormy16)
 655         using_cgen=yes
 656         ;;
 657
 658       xtensa)
 659         f=config/xtensa-relax.o
 660         case " $extra_objects " in
 661           *" $f "*) ;;
 662           *) extra_objects="$extra_objects $f" ;;
 663         esac
 664         ;;
 665
 666       *)
 667         ;;
 668     esac
 669
 670     if test $using_cgen = yes ; then
 671         f=cgen.o
 672         case " $extra_objects " in
 673           *" $f "*) ;;
 674           *) extra_objects="$extra_objects $f" ;;
 675         esac
 676     fi
 677
 678 # See if we really can support this configuration with the emulation code.
 679
 680     if test $this_target = $target ; then
 681       obj_format=$fmt
 682       te_file=$em
 683     fi
 684
 685     case ${te_file} in
 686       vms)
 687         f=config/te-vms.o
 688         case " $extra_objects " in
 689           *" $f "*) ;;
 690           *) extra_objects="$extra_objects $f" ;;
 691         esac ;;
 692     esac
 693
 694 # From target name and format, produce a list of supported emulations.
 695
 696     case ${generic_target}-${fmt} in
 697       mips-*-*-*)       case "$endian" in
 698                         big)    emulation="mipsbelf mipslelf mipself" ;;
 699                         *)      emulation="mipslelf mipsbelf mipself" ;;
 700                         esac ;;
 701       # i386-pc-pe-coff != i386-pc-coff.
 702       i386-*-pe-coff)   ;;
 703       # Uncommenting the next line will turn on support for i386 AOUT
 704       # for the default linux configuration
 705       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 706       #
 707       i386-*-aout)      emulation="i386aout" ;;
 708       i386-*-coff)      emulation="i386coff" ;;
 709       i386-*-elf)       emulation="i386elf" ;;
 710
 711       # Always all formats.  The first stated emulation becomes the default.
 712       cris-*-*aout*)    emulation="crisaout criself" ;;
 713       cris-*-*)         emulation="criself crisaout" ;;
 714     esac
 715
 716     emulations="$emulations $emulation"
 717
 718 done
 719
 720 if test ${ac_default_x86_relax_relocations} = unset; then
 721   ac_default_x86_relax_relocations=1
 722 fi
 723 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS,
 724   $ac_default_x86_relax_relocations,
 725   [Define to 1 if you want to generate x86 relax relocations by default.])
 726
 727 if test ${ac_default_elf_stt_common} = unset; then
 728   ac_default_elf_stt_common=0
 729 fi
 730 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
 731   $ac_default_elf_stt_common,
 732   [Define to 1 if you want to generate ELF common symbols with the
 733    STT_COMMON type by default.])
 734
 735 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
 736   $ac_default_generate_build_notes,
 737   [Define to 1 if you want to generate GNU Build attribute notes
 738    by default, if none are contained in the input.])
 739
 740 if test ${ac_default_generate_x86_used_note} = unset; then
 741   ac_default_generate_x86_used_note=0
 742 fi
 743 AC_DEFINE_UNQUOTED(DEFAULT_X86_USED_NOTE,
 744   $ac_default_generate_x86_used_note,
 745   [Define to 1 if you want to generate GNU x86 used ISA and feature
 746    properties by default.])
 747
 748 if test ${ac_default_generate_riscv_attr} = unset; then
 749   ac_default_generate_riscv_attr=1
 750 fi
 751
 752 AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ATTR,
 753   $ac_default_generate_riscv_attr,
 754   [Define to 1 if you want to generate RISC-V arch attribute by default.])
 755
 756 if test ${ac_default_mips_fix_loongson3_llsc} = unset; then
 757   ac_default_mips_fix_loongson3_llsc=0
 758 fi
 759 AC_DEFINE_UNQUOTED(DEFAULT_MIPS_FIX_LOONGSON3_LLSC,
 760   $ac_default_mips_fix_loongson3_llsc,
 761   [Define to 1 if you want to fix Loongson3 LLSC Errata by default.])
 762
 763 if test x$ac_default_compressed_debug_sections = xyes ; then
 764   AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
 765 fi
 766
 767 AC_DEFINE_UNQUOTED(DEFAULT_COMPRESSED_DEBUG_ALGORITHM, $ac_default_compressed_debug_sections_algorithm,
 768                    [Default compression algorithm for --enable-compressed-debug-sections.])
 769
 770 # Turn on all targets if possible
 771 if test ${all_targets} = "yes"; then
 772   case ${target_cpu_type} in
 773   i386)
 774     case ${obj_format} in
 775     aout)
 776       emulations="$emulations i386coff i386elf"
 777       ;;
 778     coff)
 779       emulations="$emulations i386aout i386elf"
 780     ;;
 781     elf)
 782       emulations="$emulations i386aout i386coff"
 783       ;;
 784     esac
 785   ;;
 786   x86_64)
 787     case ${obj_format} in
 788     aout)
 789       emulations="$emulations i386coff i386elf"
 790       ;;
 791     coff)
 792       emulations="$emulations i386aout i386elf"
 793     ;;
 794     elf)
 795       emulations="$emulations i386aout i386coff"
 796       ;;
 797     esac
 798   ;;
 799   esac
 800 fi
 801
 802 # PE code has way too many macros tweaking behaviour
 803 case ${te_file} in
 804   pe*) emulations="" ;;
 805 esac
 806
 807 # Assign floating point type.  Most processors with FP support
 808 # IEEE FP.  On those that don't support FP at all, usually IEEE
 809 # is emulated.
 810 case ${target_cpu} in
 811   vax | pdp11 ) atof=vax ;;
 812   *)            atof=ieee ;;
 813 esac
 814
 815 case "${obj_format}" in
 816   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 817 esac
 818
 819 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 820 cgen_cpu_prefix=""
 821 if test $using_cgen = yes ; then
 822   case ${target_cpu} in
 823     or1knd)
 824        cgen_cpu_prefix=or1k ;;
 825     *) cgen_cpu_prefix=${target_cpu} ;;
 826   esac
 827   AC_SUBST(cgen_cpu_prefix)
 828   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 829 fi
 830
 831 dnl
 832 dnl Make sure the desired support files exist.
 833 dnl
 834
 835 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 836   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 837 fi
 838
 839 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 840   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 841 fi
 842
 843 # Some COFF configurations want these random other flags set.
 844 case ${obj_format} in
 845   coff)
 846     case ${target_cpu_type} in
 847       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 848       x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 849     esac
 850     ;;
 851 esac
 852
 853 # Getting this done right is going to be a bitch.  Each configuration specified
 854 # with --enable-targets=... should be checked for environment, format, cpu
 855 # setting.
 856 #
 857 # For each configuration, the necessary object file support code must be linked
 858 # in.  This might be only one, it might be up to four.  The necessary emulation
 859 # code needs to be provided, too.
 860 #
 861 # And then there's "--enable-targets=all"....
 862 #
 863 # For now, just always do it for MIPS ELF configurations.  Sigh.
 864
 865 formats="${obj_format}"
 866 emfiles=""
 867 EMULATIONS=""
 868 GAS_UNIQ(emulations)
 869 for em in . $emulations ; do
 870   case $em in
 871     .)  continue ;;
 872     mipsbelf | mipslelf | mipself)
 873         fmt=elf   file=mipself ;;
 874     *coff)
 875         fmt=coff  file=$em ;;
 876     *aout)
 877         fmt=aout file=$em ;;
 878     *elf)
 879         fmt=elf file=$em ;;
 880   esac
 881   formats="$formats $fmt"
 882   emfiles="$emfiles config/e-$file.o"
 883   EMULATIONS="$EMULATIONS &$em,"
 884 done
 885 GAS_UNIQ(formats)
 886 GAS_UNIQ(emfiles)
 887 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 888   for fmt in $formats ; do
 889     case $fmt in
 890       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 891       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 892       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 893       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 894       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 895       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 896     esac
 897     extra_objects="$extra_objects config/obj-$fmt.o"
 898   done
 899   obj_format=multi
 900 fi
 901 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 902   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 903   # e-mipself has more than one emulation per file, e-i386* has just one at the
 904   # moment.  If only one emulation is specified, then don't define
 905   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 906   case "${obj_format}${emfiles}" in
 907     multi* | *mipself*)
 908       extra_objects="$extra_objects $emfiles"
 909       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 910   esac
 911 fi
 912 AC_SUBST(extra_objects)
 913 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 914 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 915                    [Default emulation.])
 916
 917 reject_dev_configs=yes
 918
 919 case ${reject_dev_configs}-${dev} in
 920   yes-yes) # Oops.
 921     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 922     ;;
 923 esac
 924
 925 AC_SUBST(target_cpu_type)
 926 AC_SUBST(obj_format)
 927 AC_SUBST(te_file)
 928 AC_SUBST(install_tooldir)
 929 AC_SUBST(atof)
 930 dnl AC_SUBST(emulation)
 931
 932 # do we need the opcodes library?
 933 case "${need_opcodes}" in
 934 yes)
 935   OPCODES_LIB=../opcodes/libopcodes.la
 936   ;;
 937 esac
 938
 939 AC_SUBST(OPCODES_LIB)
 940
 941 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 942 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 943 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 944 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 945 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 946
 947 AC_PROG_YACC
 948 AM_PROG_LEX
 949
 950 ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
 951 ZW_GNU_GETTEXT_SISTER_DIR
 952 AM_PO_SUBDIRS
 953
 954 AM_MAINTAINER_MODE
 955 AM_CONDITIONAL(GENINSRC_NEVER, false)
 956 AC_EXEEXT
 957
 958 AC_CHECK_HEADERS(memory.h sys/stat.h sys/types.h unistd.h)
 959
 960 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 961 # people who are not cross-compiling but are compiling cross-assemblers.
 962 AC_MSG_CHECKING(whether compiling a cross-assembler)
 963 if test "${host}" = "${target}"; then
 964   cross_gas=no
 965 else
 966   cross_gas=yes
 967   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 968 fi
 969 AC_MSG_RESULT($cross_gas)
 970
 971 AC_CHECK_FUNCS(strsignal)
 972
 973 AM_LC_MESSAGES
 974
 975 # do we need the math library?
 976 case "${need_libm}" in
 977 yes)
 978   LT_LIB_M
 979   AC_SUBST(LIBM)
 980   ;;
 981 esac
 982
 983 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 984 # enough, but on some of those systems, the assert macro relies on requoting
 985 # working properly!
 986 GAS_WORKING_ASSERT
 987
 988 # On some systems, the system header files may not declare malloc, realloc,
 989 # and free.  There are places where gas needs these functions to have been
 990 # declared -- such as when taking their addresses.
 991 gas_test_headers="
 992 #ifdef HAVE_MEMORY_H
 993 #include <memory.h>
 994 #endif
 995 #include <string.h>
 996 #include <stdlib.h>
 997 #ifdef HAVE_UNISTD_H
 998 #include <unistd.h>
 999 #endif
1000 "
1001
1002 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
1003 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
1004 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
1005 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
1006 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
1007 if test $gas_cv_decl_getopt_unistd_h = yes; then
1008   AC_DEFINE([HAVE_DECL_GETOPT], 1,
1009             [Is the prototype for getopt in <unistd.h> in the expected format?])
1010 fi
1011
1012 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
1013 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
1014
1015 AC_CHECK_DECLS([asprintf, mempcpy, stpcpy])
1016
1017 BFD_BINARY_FOPEN
1018
1019 # Link in zlib/zstd if we can.  This allows us to write compressed debug sections.
1020 AM_ZLIB
1021 AC_ZSTD
1022
1023 # Support for VMS timestamps via cross compile
1024
1025 if test "$ac_cv_header_time_h" = yes; then
1026   GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
1027 fi
1028
1029 if test "$ac_cv_header_sys_stat_h" = yes; then
1030     GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
1031     GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
1032 fi
1033
1034
1035 dnl Required for html, pdf, install-pdf and install-html targets.
1036 AC_SUBST(datarootdir)
1037 AC_SUBST(docdir)
1038 AC_SUBST(htmldir)
1039 AC_SUBST(pdfdir)
1040
1041 dnl This must come last.
1042
1043 dnl We used to make symlinks to files in the source directory, but now
1044 dnl we just use the right name for .c files, and create .h files in
1045 dnl the build directory which include the right .h file.  Make sure
1046 dnl the old symlinks don't exist, so that a reconfigure in an existing
1047 dnl directory behaves reasonably.
1048
1049 AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in)
1050 AC_CONFIG_COMMANDS([default],
1051 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
1052  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
1053  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
1054  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
1055  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
1056  if test "x$cgen_cpu_prefix" != x ; then
1057    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
1058  fi],
1059 [target_cpu_type=${target_cpu_type}
1060  cgen_cpu_prefix=${cgen_cpu_prefix}
1061  obj_format=${obj_format}
1062  te_file=${te_file}])
1063
1064 AC_OUTPUT
1065
1066 GNU_MAKE_JOBSERVER