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) 2012-2021 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 ,"${enableval}", in
  74   ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;;
  75   ,no, | ,none,)  ac_default_compressed_debug_sections=no ;;
  76   *)   ac_default_compressed_debug_sections=unset ;;
  77 esac])dnl
  78
  79 # PR gas/19520
  80 # Decide if x86 assembler should generate relax relocations.
  81 ac_default_x86_relax_relocations=unset
  82 # Provide a configure time option to override our default.
  83 AC_ARG_ENABLE(x86_relax_relocations,
  84               AS_HELP_STRING([--enable-x86-relax-relocations],
  85               [generate x86 relax relocations by default]),
  86 [case "${enableval}" in
  87   no)  ac_default_x86_relax_relocations=0 ;;
  88 esac])dnl
  89
  90 # Decide if ELF assembler should generate common symbols with the
  91 # STT_COMMON type.
  92 ac_default_elf_stt_common=unset
  93 # Provide a configure time option to override our default.
  94 AC_ARG_ENABLE(elf_stt_common,
  95               AS_HELP_STRING([--enable-elf-stt-common],
  96               [generate ELF common symbols with STT_COMMON type by default]),
  97 [case "${enableval}" in
  98   yes)  ac_default_elf_stt_common=1 ;;
  99 esac])dnl
 100
 101
 102 # Decide if the ELF assembler should default to generating
 103 # GNU Build notes if none are provided by the input.
 104 ac_default_generate_build_notes=0
 105 # Provide a configuration option to override the default.
 106 AC_ARG_ENABLE(generate_build_notes,
 107               AS_HELP_STRING([--enable-generate-build-notes],
 108               [generate GNU Build notes if none are provided by the input]),
 109 [case "${enableval}" in
 110   yes)  ac_default_generate_build_notes=1 ;;
 111   no)   ac_default_generate_build_notes=0 ;;
 112 esac])dnl
 113
 114 # Decide if the MIPS assembler should default to enable MIPS fix Loongson3
 115 # LLSC errata.
 116 ac_default_mips_fix_loongson3_llsc=unset
 117 # Provide a configuration option to override the default.
 118 AC_ARG_ENABLE(mips-fix-loongson3-llsc,
 119              AS_HELP_STRING([--enable-mips-fix-loongson3-llsc],
 120              [enable MIPS fix Loongson3 LLSC errata]),
 121 [case "${enableval}" in
 122   yes)  ac_default_mips_fix_loongson3_llsc=1 ;;
 123   no)   ac_default_mips_fix_loongson3_llsc=0 ;;
 124 esac])dnl
 125
 126 # Decide if the x86 ELF assembler should default to generating GNU x86
 127 # used ISA and feature properties.
 128 ac_default_generate_x86_used_note=unset
 129 # Provide a configuration option to override the default.
 130 AC_ARG_ENABLE(x86-used-note,
 131               AS_HELP_STRING([--enable-x86-used-note],
 132               [generate GNU x86 used ISA and feature properties]),
 133 [case "${enableval}" in
 134   yes)  ac_default_generate_x86_used_note=1 ;;
 135   no)   ac_default_generate_x86_used_note=0 ;;
 136 esac])dnl
 137
 138 # Decide if the RISC-V ELF assembler should default to generating attribute.
 139 ac_default_generate_riscv_attr=unset
 140 # Provide a configuration option to override the default.
 141 AC_ARG_ENABLE(default-riscv-attribute,
 142               AS_HELP_STRING([--enable-default-riscv-attribute],
 143               [generate RISC-V arch attribute by default]),
 144 [case "${enableval}" in
 145   yes)  ac_default_generate_riscv_attr=1 ;;
 146   no)   ac_default_generate_riscv_attr=0 ;;
 147 esac])dnl
 148
 149 using_cgen=no
 150
 151 AM_BINUTILS_WARNINGS
 152
 153 # Generate a header file
 154 AC_CONFIG_HEADERS(config.h:config.in)
 155
 156 dnl Option --with-cpu=TYPE allows configure type control of the default
 157 dnl cpu type within the assembler.  Currently only the ARC target
 158 dnl supports this feature, but others may be added in the future.
 159 AC_ARG_WITH(cpu,
 160             AS_HELP_STRING([--with-cpu=CPU],
 161             [default cpu variant is CPU (currently only supported on ARC)]),
 162             [AC_DEFINE_UNQUOTED(TARGET_WITH_CPU,
 163                                 "${with_cpu}",
 164                                 [Target specific CPU.])],
 165             [])
 166
 167 # PR 14072
 168 AH_VERBATIM([00_CONFIG_H_CHECK],
 169 [/* Check that config.h is #included before system headers
 170    (this works only for glibc, but that should be enough).  */
 171 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
 172 #  error config.h must be #included before system headers
 173 #endif
 174 #define __CONFIG_H__ 1])
 175
 176 # If we are on a DOS filesystem, we must use gdb.ini rather than
 177 # .gdbinit.
 178 case "${host}" in
 179   *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
 180     GDBINIT="gdb.ini"
 181     AC_CONFIG_FILES(gdb.ini:gdbinit.in)
 182     ;;
 183   *)
 184     GDBINIT=".gdbinit"
 185     AC_CONFIG_FILES(.gdbinit:gdbinit.in)
 186     ;;
 187 esac
 188 AC_SUBST(GDBINIT)
 189
 190 #We need this for the host.
 191 AC_C_BIGENDIAN
 192
 193 te_file=generic
 194
 195 # Makefile target for installing gas in $(tooldir)/bin.
 196 install_tooldir=install-exec-tooldir
 197
 198 canon_targets=""
 199 all_targets=no
 200 if test -n "$enable_targets" ; then
 201   for t in `echo $enable_targets | sed 's/,/ /g'`; do
 202     if test $t = "all"; then
 203       all_targets=yes
 204       continue
 205     fi
 206     result=`$ac_config_sub $t 2>/dev/null`
 207     if test -n "$result" ; then
 208       canon_targets="$canon_targets $result"
 209 #    else
 210 #      # Permit "all", etc.  We don't support it yet though.
 211 #      canon_targets="$canon_targets $t"
 212     fi
 213   done
 214   GAS_UNIQ(canon_targets)
 215 fi
 216
 217 emulations=""
 218
 219 for this_target in $target $canon_targets ; do
 220
 221     targ=${this_target}
 222     . ${srcdir}/configure.tgt
 223
 224     case ${target_cpu} in
 225       crisv32)
 226         AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
 227                            [Default CRIS architecture.])
 228         ;;
 229     esac
 230
 231     if test ${this_target} = $target ; then
 232       target_cpu_type=${cpu_type}
 233     elif test ${target_cpu_type} != ${cpu_type} ; then
 234       continue
 235     fi
 236
 237     generic_target=${cpu_type}-${target_vendor}-${target_os}
 238     case ${generic_target} in
 239       i386-*-msdosdjgpp* \
 240       | i386-*-go32* \
 241       | i386-go32-rtems*)
 242         AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
 243         ;;
 244
 245       i386-*-linux-* | x86_64-*-linux-*)
 246         if test ${this_target} = $target \
 247            && test ${ac_default_generate_x86_used_note} = unset; then
 248           ac_default_generate_x86_used_note=1
 249         fi
 250         ;;
 251
 252       i386-*-solaris2 \
 253       | x86_64-*-solaris2 \
 254       | i386-*-solaris2.[[0-9]] \
 255       | i386-*-solaris2.1[[01]] \
 256       | x86_64-*-solaris2.1[[01]])
 257         if test ${this_target} = $target \
 258            && test ${ac_default_x86_relax_relocations} = unset; then
 259           ac_default_x86_relax_relocations=0
 260         fi
 261         ;;
 262
 263       microblaze*)
 264         ;;
 265
 266 changequote(,)dnl
 267       ppc-*-aix[5-9].*)
 268 changequote([,])dnl
 269         AC_DEFINE(AIX_WEAK_SUPPORT, 1,
 270                   [Define if using AIX 5.2 value for C_WEAKEXT.])
 271         ;;
 272       ppc-*-solaris*)
 273         if test ${this_target} = $target; then
 274           AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 275                     [Define if default target is PowerPC Solaris.])
 276         fi
 277         if test x${endian} = xbig; then
 278           AC_MSG_ERROR(Solaris must be configured little endian)
 279         fi
 280         ;;
 281     esac
 282
 283     if test ${this_target} = $target ; then
 284       endian_def=
 285       if test x${endian} = xbig; then
 286         endian_def=1
 287       elif test x${endian} = xlittle; then
 288         endian_def=0
 289       fi
 290       if test x${endian_def} != x; then
 291         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 292                            [Define as 1 if big endian.])
 293       fi
 294     fi
 295
 296 # Other random stuff.
 297
 298     case ${cpu_type} in
 299       mips)
 300         # Set mips_cpu to the name of the default CPU.
 301         case ${target_cpu} in
 302           mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
 303             mips_cpu=from-abi
 304             ;;
 305           mipsisa32 | mipsisa32el)
 306             mips_cpu=mips32
 307             ;;
 308           mipsisa32r2 | mipsisa32r2el)
 309             mips_cpu=mips32r2
 310             ;;
 311           mipsisa32r3 | mipsisa32r3el)
 312             mips_cpu=mips32r3
 313             ;;
 314           mipsisa32r5 | mipsisa32r5el)
 315             mips_cpu=mips32r5
 316             ;;
 317           mipsisa32r6 | mipsisa32r6el)
 318             mips_cpu=mips32r6
 319             ;;
 320           mipsisa64 | mipsisa64el)
 321             mips_cpu=mips64
 322             ;;
 323           mipsisa64r2 | mipsisa64r2el)
 324             mips_cpu=mips64r2
 325             ;;
 326           mipsisa64r3 | mipsisa64r3el)
 327             mips_cpu=mips64r3
 328             ;;
 329           mipsisa64r5 | mipsisa64r5el)
 330             mips_cpu=mips64r5
 331             ;;
 332           mipsisa64r6 | mipsisa64r6el)
 333             mips_cpu=mips64r6
 334             ;;
 335           mipstx39 | mipstx39el)
 336             mips_cpu=r3900
 337             ;;
 338           mips64vr | mips64vrel)
 339             mips_cpu=vr4100
 340             ;;
 341           mipsisa32r2* | mipsisa64r2*)
 342 changequote(,)dnl
 343             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
 344 changequote([,])dnl
 345             ;;
 346           mipsisa32r6* | mipsisa64r6*)
 347 changequote(,)dnl
 348             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'`
 349 changequote([,])dnl
 350             ;;
 351           mips64* | mipsisa64* | mipsisa32*)
 352 changequote(,)dnl
 353             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
 354 changequote([,])dnl
 355             ;;
 356           mips*)
 357 changequote(,)dnl
 358             mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
 359 changequote([,])dnl
 360             ;;
 361           *)
 362             AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
 363             ;;
 364         esac
 365         # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
 366         # binaries.  It's a GNU extension that some OSes don't understand.
 367         case ${target} in
 368           *-*-irix*)
 369             use_e_mips_abi_o32=0
 370             ;;
 371           *)
 372             use_e_mips_abi_o32=1
 373             ;;
 374         esac
 375         # Decide whether to generate 32-bit or 64-bit code by default.
 376         # Used to resolve -march=from-abi when an embedded ABI is selected.
 377         case ${target} in
 378           mips64*-*-* | mipsisa64*-*-*)
 379             mips_default_64bit=1
 380             ;;
 381           *)
 382             mips_default_64bit=0
 383             ;;
 384         esac
 385         # Decide which ABI to target by default.
 386         case ${target} in
 387           mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* \
 388           | mips64*-kfreebsd*-gnu | mips64*-ps2-elf*)
 389             mips_default_abi=N32_ABI
 390             ;;
 391           mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
 392             mips_default_abi=O32_ABI
 393             ;;
 394           mips64*-openbsd*)
 395             mips_default_abi=N64_ABI
 396             ;;
 397           *)
 398             mips_default_abi=NO_ABI
 399             ;;
 400         esac
 401         AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
 402                            [Default CPU for MIPS targets. ])
 403         AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
 404                            [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
 405         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
 406                            [Generate 64-bit code by default on MIPS targets. ])
 407         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
 408                            [Choose a default ABI for MIPS targets. ])
 409         ;;
 410     esac
 411
 412     # Do we need the opcodes library?
 413     case ${cpu_type} in
 414       vax | tic30)
 415         ;;
 416
 417       *)
 418         need_opcodes=yes
 419
 420         case "${enable_shared}" in
 421         yes) shared_opcodes=true ;;
 422         *opcodes*) shared_opcodes=true ;;
 423         *) shared_opcodes=false ;;
 424         esac
 425         ;;
 426     esac
 427
 428     # Any other special object files needed ?
 429     case ${cpu_type} in
 430
 431       bfin)
 432         for f in config/bfin-parse.o config/bfin-lex-wrapper.o; do
 433           case " $extra_objects " in
 434             *" $f "*) ;;
 435             *) extra_objects="$extra_objects $f" ;;
 436           esac
 437         done
 438         ;;
 439
 440       bpf)
 441         if test $this_target = $target ; then
 442           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 443         fi
 444         using_cgen=yes
 445         ;;
 446       epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
 447         using_cgen=yes
 448         ;;
 449
 450       loongarch)
 451         for f in config/loongarch-parse.o config/loongarch-lex-wrapper.o; do
 452           case " $extra_objects " in
 453             *" $f "*) ;;
 454             *) extra_objects="$extra_objects $f" ;;
 455           esac
 456         done
 457         # --target=loongarch[32|64]-*-*.  */
 458         if test $this_target = $target ; then
 459           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 460         fi
 461         ;;
 462
 463       m32c)
 464         using_cgen=yes
 465         ;;
 466       frv)
 467         using_cgen=yes
 468         ;;
 469       m68k)
 470         f=config/m68k-parse.o
 471         case " $extra_objects " in
 472           *" $f "*) ;;
 473           *) extra_objects="$extra_objects $f" ;;
 474         esac
 475         ;;
 476
 477       mep)
 478         using_cgen=yes
 479         ;;
 480
 481       mips)
 482         for f in itbl-parse.o itbl-lex-wrapper.o itbl-ops.o; do
 483           case " $extra_objects " in
 484             *" $f "*) ;;
 485             *) extra_objects="$extra_objects $f" ;;
 486           esac
 487         done
 488         ;;
 489
 490       mt)
 491         using_cgen=yes
 492         ;;
 493
 494       nds32)
 495         # setup NDS32_LINUX_TOOLCHAIN definition
 496         if test "linux" = $em; then
 497           AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 1,
 498             [Define value for nds32_linux_toolchain])
 499         else
 500           AC_DEFINE(NDS32_LINUX_TOOLCHAIN, 0,
 501             [Define default value for nds32_linux_toolchain])
 502         fi
 503
 504         # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
 505         # based on arch_name.
 506         AC_MSG_CHECKING(for default configuration of --with-arch)
 507         if test "x${with_arch}" != x; then
 508           case ${with_arch} in
 509             v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
 510               AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
 511                                  [Define value for nds32_arch_name])
 512               ;;
 513             *)
 514               AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
 515               ;;
 516           esac
 517         fi
 518         AC_MSG_RESULT($with_arch)
 519
 520         # Decide features one by one.
 521         AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
 522         if test "x${enable_dx_regs}" = xyes; then
 523           AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
 524                     [Define value for nds32_dx_regs])
 525         else
 526           AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
 527                     [Define default value for nds32_dx_regs])
 528         fi
 529         AC_MSG_RESULT($enable_dx_regs)
 530
 531         AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
 532         if test "x${enable_perf_ext}" = xno; then
 533           AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
 534                     [Define value for nds32_perf_ext])
 535         else
 536           AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
 537                     [Define default value for nds32_perf_ext])
 538         fi
 539         AC_MSG_RESULT($enable_perf_ext)
 540
 541         AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
 542         if test "x${enable_perf_ext2}" = xno; then
 543           AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
 544                     [Define value for nds32_perf_ext2])
 545         else
 546           AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
 547                     [Define default value for nds32_perf_ext2])
 548         fi
 549         AC_MSG_RESULT($enable_perf_ext2)
 550
 551         AC_MSG_CHECKING(for default configuration of --enable-string-ext)
 552         if test "x${enable_string_ext}" = xno; then
 553           AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
 554                     [Define value for nds32_string_ext])
 555         else
 556           AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
 557                     [Define default value for nds32_string_ext])
 558         fi
 559         AC_MSG_RESULT($enable_string_ext)
 560
 561         AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
 562         if test "x${enable_audio_ext}" = xno; then
 563           AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
 564                     [Define value for nds32_audio_ext])
 565         else
 566           AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
 567                     [Define default value for nds32_audio_ext])
 568         fi
 569         AC_MSG_RESULT($enable_audio_ext)
 570
 571         AC_MSG_CHECKING(for default configuration of --enable-dsp-ext)
 572         if test "x${enable_dsp_ext}" = xno; then
 573           AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 0,
 574                     [Define value for nds32_dsp_ext])
 575         else
 576           AC_DEFINE(NDS32_DEFAULT_DSP_EXT, 1,
 577                     [Define default value for nds32_dsp_ext])
 578         fi
 579         AC_MSG_RESULT($enable_dsp_ext)
 580
 581         AC_MSG_CHECKING(for default configuration of --enable-zol-ext)
 582         if test "x${enable_zol_ext}" = xno; then
 583           AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 0,
 584                     [Define value for nds32_zol_ext])
 585         else
 586           AC_DEFINE(NDS32_DEFAULT_ZOL_EXT, 1,
 587                     [Define default value for nds32_zol_ext])
 588         fi
 589         AC_MSG_RESULT($enable_zol_ext)
 590         ;;
 591
 592       aarch64 | i386 | s390 | sparc)
 593         if test $this_target = $target ; then
 594           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 595         fi
 596         ;;
 597
 598       riscv)
 599         # --target=riscv[32|64]-*-*.  */
 600         if test $this_target = $target ; then
 601           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 602         fi
 603
 604         # --with-arch=<value>.  The syntax of <value> is same as Gas option -march.
 605         AC_MSG_CHECKING(for default configuration of --with-arch)
 606         if test "x${with_arch}" != x; then
 607         AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ARCH_WITH_EXT, "$with_arch",
 608                            [Define default value for RISC-V -march.])
 609         fi
 610         AC_MSG_RESULT($with_arch)
 611
 612         # --with-isa-spec=[2.2|20190608|20191213].
 613         AC_MSG_CHECKING(for default configuration of --with-isa-spec)
 614         if test "x${with_isa_spec}" != x; then
 615           AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ISA_SPEC, "$with_isa_spec",
 616                              [Define default value for RISC-V -misa-spec.])
 617         fi
 618         AC_MSG_RESULT($with_isa_spec)
 619
 620         # --with-priv-spec=[1.9|1.9.1|1.10|1.11].
 621         AC_MSG_CHECKING(for default configuration of --with-priv-spec)
 622         if test "x${with_priv_spec}" != x; then
 623           AC_DEFINE_UNQUOTED(DEFAULT_RISCV_PRIV_SPEC, "$with_priv_spec",
 624                              [Define default value for RISC-V -mpriv-spec])
 625         fi
 626         AC_MSG_RESULT($with_priv_spec)
 627         ;;
 628
 629       rl78)
 630         f=config/rl78-parse.o
 631         case " $extra_objects " in
 632           *" $f "*) ;;
 633           *) extra_objects="$extra_objects $f" ;;
 634         esac
 635         ;;
 636
 637       rx)
 638         f=config/rx-parse.o
 639         case " $extra_objects " in
 640           *" $f "*) ;;
 641           *) extra_objects="$extra_objects $f" ;;
 642         esac
 643         ;;
 644
 645       xstormy16)
 646         using_cgen=yes
 647         ;;
 648
 649       xc16x)
 650         using_cgen=yes
 651         ;;
 652
 653       xtensa)
 654         f=config/xtensa-relax.o
 655         case " $extra_objects " in
 656           *" $f "*) ;;
 657           *) extra_objects="$extra_objects $f" ;;
 658         esac
 659         ;;
 660
 661       *)
 662         ;;
 663     esac
 664
 665     if test $using_cgen = yes ; then
 666         f=cgen.o
 667         case " $extra_objects " in
 668           *" $f "*) ;;
 669           *) extra_objects="$extra_objects $f" ;;
 670         esac
 671     fi
 672
 673 # See if we really can support this configuration with the emulation code.
 674
 675     if test $this_target = $target ; then
 676       obj_format=$fmt
 677       te_file=$em
 678     fi
 679
 680     case ${te_file} in
 681       vms)
 682         f=config/te-vms.o
 683         case " $extra_objects " in
 684           *" $f "*) ;;
 685           *) extra_objects="$extra_objects $f" ;;
 686         esac ;;
 687     esac
 688
 689 # From target name and format, produce a list of supported emulations.
 690
 691     case ${generic_target}-${fmt} in
 692       mips-*-*-*)       case "$endian" in
 693                         big)    emulation="mipsbelf mipslelf mipself" ;;
 694                         *)      emulation="mipslelf mipsbelf mipself" ;;
 695                         esac ;;
 696       # i386-pc-pe-coff != i386-pc-coff.
 697       i386-*-pe-coff)   ;;
 698       # Uncommenting the next line will turn on support for i386 AOUT
 699       # for the default linux configuration
 700       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 701       #
 702       i386-*-aout)      emulation="i386aout" ;;
 703       i386-*-coff)      emulation="i386coff" ;;
 704       i386-*-elf)       emulation="i386elf" ;;
 705
 706       # Always all formats.  The first stated emulation becomes the default.
 707       cris-*-*aout*)    emulation="crisaout criself" ;;
 708       cris-*-*)         emulation="criself crisaout" ;;
 709     esac
 710
 711     emulations="$emulations $emulation"
 712
 713 done
 714
 715 if test ${ac_default_x86_relax_relocations} = unset; then
 716   ac_default_x86_relax_relocations=1
 717 fi
 718 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS,
 719   $ac_default_x86_relax_relocations,
 720   [Define to 1 if you want to generate x86 relax relocations by default.])
 721
 722 if test ${ac_default_elf_stt_common} = unset; then
 723   ac_default_elf_stt_common=0
 724 fi
 725 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_ELF_STT_COMMON,
 726   $ac_default_elf_stt_common,
 727   [Define to 1 if you want to generate ELF common symbols with the
 728    STT_COMMON type by default.])
 729
 730 AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_BUILD_NOTES,
 731   $ac_default_generate_build_notes,
 732   [Define to 1 if you want to generate GNU Build attribute notes
 733    by default, if none are contained in the input.])
 734
 735 if test ${ac_default_generate_x86_used_note} = unset; then
 736   ac_default_generate_x86_used_note=0
 737 fi
 738 AC_DEFINE_UNQUOTED(DEFAULT_X86_USED_NOTE,
 739   $ac_default_generate_x86_used_note,
 740   [Define to 1 if you want to generate GNU x86 used ISA and feature
 741    properties by default.])
 742
 743 if test ${ac_default_generate_riscv_attr} = unset; then
 744   ac_default_generate_riscv_attr=1
 745 fi
 746
 747 AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ATTR,
 748   $ac_default_generate_riscv_attr,
 749   [Define to 1 if you want to generate RISC-V arch attribute by default.])
 750
 751 if test ${ac_default_mips_fix_loongson3_llsc} = unset; then
 752   ac_default_mips_fix_loongson3_llsc=0
 753 fi
 754 AC_DEFINE_UNQUOTED(DEFAULT_MIPS_FIX_LOONGSON3_LLSC,
 755   $ac_default_mips_fix_loongson3_llsc,
 756   [Define to 1 if you want to fix Loongson3 LLSC Errata by default.])
 757
 758 if test x$ac_default_compressed_debug_sections = xyes ; then
 759   AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
 760 fi
 761
 762 # Turn on all targets if possible
 763 if test ${all_targets} = "yes"; then
 764   case ${target_cpu_type} in
 765   i386)
 766     case ${obj_format} in
 767     aout)
 768       emulations="$emulations i386coff i386elf"
 769       ;;
 770     coff)
 771       emulations="$emulations i386aout i386elf"
 772     ;;
 773     elf)
 774       emulations="$emulations i386aout i386coff"
 775       ;;
 776     esac
 777   ;;
 778   x86_64)
 779     case ${obj_format} in
 780     aout)
 781       emulations="$emulations i386coff i386elf"
 782       ;;
 783     coff)
 784       emulations="$emulations i386aout i386elf"
 785     ;;
 786     elf)
 787       emulations="$emulations i386aout i386coff"
 788       ;;
 789     esac
 790   ;;
 791   esac
 792 fi
 793
 794 # PE code has way too many macros tweaking behaviour
 795 case ${te_file} in
 796   pe*) emulations="" ;;
 797 esac
 798
 799 # Assign floating point type.  Most processors with FP support
 800 # IEEE FP.  On those that don't support FP at all, usually IEEE
 801 # is emulated.
 802 case ${target_cpu} in
 803   vax | pdp11 ) atof=vax ;;
 804   *)            atof=ieee ;;
 805 esac
 806
 807 case "${obj_format}" in
 808   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 809 esac
 810
 811 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 812 cgen_cpu_prefix=""
 813 if test $using_cgen = yes ; then
 814   case ${target_cpu} in
 815     or1knd)
 816        cgen_cpu_prefix=or1k ;;
 817     *) cgen_cpu_prefix=${target_cpu} ;;
 818   esac
 819   AC_SUBST(cgen_cpu_prefix)
 820   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 821 fi
 822
 823 dnl
 824 dnl Make sure the desired support files exist.
 825 dnl
 826
 827 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 828   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 829 fi
 830
 831 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 832   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 833 fi
 834
 835 # Some COFF configurations want these random other flags set.
 836 case ${obj_format} in
 837   coff)
 838     case ${target_cpu_type} in
 839       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 840       x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 841     esac
 842     ;;
 843 esac
 844
 845 # Getting this done right is going to be a bitch.  Each configuration specified
 846 # with --enable-targets=... should be checked for environment, format, cpu
 847 # setting.
 848 #
 849 # For each configuration, the necessary object file support code must be linked
 850 # in.  This might be only one, it might be up to four.  The necessary emulation
 851 # code needs to be provided, too.
 852 #
 853 # And then there's "--enable-targets=all"....
 854 #
 855 # For now, just always do it for MIPS ELF configurations.  Sigh.
 856
 857 formats="${obj_format}"
 858 emfiles=""
 859 EMULATIONS=""
 860 GAS_UNIQ(emulations)
 861 for em in . $emulations ; do
 862   case $em in
 863     .)  continue ;;
 864     mipsbelf | mipslelf | mipself)
 865         fmt=elf   file=mipself ;;
 866     *coff)
 867         fmt=coff  file=$em ;;
 868     *aout)
 869         fmt=aout file=$em ;;
 870     *elf)
 871         fmt=elf file=$em ;;
 872   esac
 873   formats="$formats $fmt"
 874   emfiles="$emfiles config/e-$file.o"
 875   EMULATIONS="$EMULATIONS &$em,"
 876 done
 877 GAS_UNIQ(formats)
 878 GAS_UNIQ(emfiles)
 879 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 880   for fmt in $formats ; do
 881     case $fmt in
 882       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 883       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 884       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 885       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 886       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 887       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 888     esac
 889     extra_objects="$extra_objects config/obj-$fmt.o"
 890   done
 891   obj_format=multi
 892 fi
 893 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 894   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 895   # e-mipself has more than one emulation per file, e-i386* has just one at the
 896   # moment.  If only one emulation is specified, then don't define
 897   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 898   case "${obj_format}${emfiles}" in
 899     multi* | *mipself*)
 900       extra_objects="$extra_objects $emfiles"
 901       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 902   esac
 903 fi
 904 AC_SUBST(extra_objects)
 905 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 906 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 907                    [Default emulation.])
 908
 909 reject_dev_configs=yes
 910
 911 case ${reject_dev_configs}-${dev} in
 912   yes-yes) # Oops.
 913     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 914     ;;
 915 esac
 916
 917 AC_SUBST(target_cpu_type)
 918 AC_SUBST(obj_format)
 919 AC_SUBST(te_file)
 920 AC_SUBST(install_tooldir)
 921 AC_SUBST(atof)
 922 dnl AC_SUBST(emulation)
 923
 924 # do we need the opcodes library?
 925 case "${need_opcodes}" in
 926 yes)
 927   OPCODES_LIB=../opcodes/libopcodes.la
 928   ;;
 929 esac
 930
 931 AC_SUBST(OPCODES_LIB)
 932
 933 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 934 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 935 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 936 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 937 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 938
 939 AC_PROG_YACC
 940 AM_PROG_LEX
 941
 942 ALL_LINGUAS="es fi fr id ja ru rw sv tr uk zh_CN"
 943 ZW_GNU_GETTEXT_SISTER_DIR
 944 AM_PO_SUBDIRS
 945
 946 AM_MAINTAINER_MODE
 947 AM_CONDITIONAL(GENINSRC_NEVER, false)
 948 AC_EXEEXT
 949
 950 AC_CHECK_HEADERS(memory.h sys/stat.h sys/types.h unistd.h)
 951
 952 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 953 # people who are not cross-compiling but are compiling cross-assemblers.
 954 AC_MSG_CHECKING(whether compiling a cross-assembler)
 955 if test "${host}" = "${target}"; then
 956   cross_gas=no
 957 else
 958   cross_gas=yes
 959   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 960 fi
 961 AC_MSG_RESULT($cross_gas)
 962
 963 AC_CHECK_FUNCS(strsignal)
 964
 965 AM_LC_MESSAGES
 966
 967 # do we need the math library?
 968 case "${need_libm}" in
 969 yes)
 970   LT_LIB_M
 971   AC_SUBST(LIBM)
 972   ;;
 973 esac
 974
 975 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 976 # enough, but on some of those systems, the assert macro relies on requoting
 977 # working properly!
 978 GAS_WORKING_ASSERT
 979
 980 # On some systems, the system header files may not declare malloc, realloc,
 981 # and free.  There are places where gas needs these functions to have been
 982 # declared -- such as when taking their addresses.
 983 gas_test_headers="
 984 #ifdef HAVE_MEMORY_H
 985 #include <memory.h>
 986 #endif
 987 #include <string.h>
 988 #include <stdlib.h>
 989 #ifdef HAVE_UNISTD_H
 990 #include <unistd.h>
 991 #endif
 992 "
 993
 994 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
 995 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
 996 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
 997 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
 998 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
 999 if test $gas_cv_decl_getopt_unistd_h = yes; then
1000   AC_DEFINE([HAVE_DECL_GETOPT], 1,
1001             [Is the prototype for getopt in <unistd.h> in the expected format?])
1002 fi
1003
1004 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
1005 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
1006
1007 AC_CHECK_DECLS([asprintf, mempcpy, stpcpy])
1008
1009 BFD_BINARY_FOPEN
1010
1011 # Link in zlib if we can.  This allows us to write compressed debug sections.
1012 AM_ZLIB
1013
1014 # Support for VMS timestamps via cross compile
1015
1016 if test "$ac_cv_header_time_h" = yes; then
1017   GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
1018 fi
1019
1020 if test "$ac_cv_header_sys_stat_h" = yes; then
1021     GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
1022     GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
1023 fi
1024
1025
1026 dnl Required for html, pdf, install-pdf and install-html targets.
1027 AC_SUBST(datarootdir)
1028 AC_SUBST(docdir)
1029 AC_SUBST(htmldir)
1030 AC_SUBST(pdfdir)
1031
1032 dnl This must come last.
1033
1034 dnl We used to make symlinks to files in the source directory, but now
1035 dnl we just use the right name for .c files, and create .h files in
1036 dnl the build directory which include the right .h file.  Make sure
1037 dnl the old symlinks don't exist, so that a reconfigure in an existing
1038 dnl directory behaves reasonably.
1039
1040 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
1041 AC_CONFIG_COMMANDS([default],
1042 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
1043  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
1044  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
1045  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
1046  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
1047  if test "x$cgen_cpu_prefix" != x ; then
1048    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
1049  fi],
1050 [target_cpu_type=${target_cpu_type}
1051  cgen_cpu_prefix=${cgen_cpu_prefix}
1052  obj_format=${obj_format}
1053  te_file=${te_file}])
1054
1055 AC_OUTPUT
1056
1057 GNU_MAKE_JOBSERVER