configure.ac revision 1.2
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) 2012-2015 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 23AC_PREREQ(2.59) 24m4_include([../bfd/version.m4]) 25AC_INIT([gas], BFD_VERSION) 26AC_CONFIG_SRCDIR(as.h) 27 28dnl Autoconf 2.57 will find the aux dir without this. However, unless 29dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in 30dnl gas/ instead of gas/../. 31AC_CONFIG_AUX_DIR(..) 32AC_CANONICAL_TARGET 33AC_ISC_POSIX 34 35AM_INIT_AUTOMAKE 36 37AC_PROG_CC 38AC_GNU_SOURCE 39AC_USE_SYSTEM_EXTENSIONS 40 41LT_INIT 42ACX_LARGEFILE 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=yes 54if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then 55 ac_checking= 56fi 57AC_ARG_ENABLE(checking, 58[ --enable-checking enable run-time checks], 59[case "${enableval}" in 60 no|none) ac_checking= ;; 61 *) ac_checking=yes ;; 62esac])dnl 63if test x$ac_checking != x ; then 64 AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.]) 65fi 66 67# PR gas/19109 68# Decide the default method for compressing debug sections. 69ac_default_compressed_debug_sections=unset 70# Provide a configure time option to override our default. 71AC_ARG_ENABLE(compressed_debug_sections, 72 AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}], 73 [compress debug sections by default])], 74[case ,"${enableval}", in 75 ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;; 76 ,no, | ,none,) ac_default_compressed_debug_sections=no ;; 77 *) ac_default_compressed_debug_sections=unset ;; 78esac])dnl 79 80using_cgen=no 81 82AM_BINUTILS_WARNINGS 83 84# Generate a header file 85AC_CONFIG_HEADERS(config.h:config.in) 86 87# PR 14072 88AH_VERBATIM([00_CONFIG_H_CHECK], 89[/* Check that config.h is #included before system headers 90 (this works only for glibc, but that should be enough). */ 91#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__) 92# error config.h must be #included before system headers 93#endif 94#define __CONFIG_H__ 1]) 95 96# If we are on a DOS filesystem, we must use gdb.ini rather than 97# .gdbinit. 98case "${host}" in 99 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*) 100 GDBINIT="gdb.ini" 101 AC_CONFIG_FILES(gdb.ini:gdbinit.in) 102 ;; 103 *) 104 GDBINIT=".gdbinit" 105 AC_CONFIG_FILES(.gdbinit:gdbinit.in) 106 ;; 107esac 108AC_SUBST(GDBINIT) 109 110#We need this for the host. BOUT header is in host order. 111AC_C_BIGENDIAN 112 113te_file=generic 114 115# Makefile target for installing gas in $(tooldir)/bin. 116install_tooldir=install-exec-tooldir 117 118canon_targets="" 119all_targets=no 120if test -n "$enable_targets" ; then 121 for t in `echo $enable_targets | sed 's/,/ /g'`; do 122 if test $t = "all"; then 123 all_targets=yes 124 continue 125 fi 126 result=`$ac_config_sub $t 2>/dev/null` 127 if test -n "$result" ; then 128 canon_targets="$canon_targets $result" 129# else 130# # Permit "all", etc. We don't support it yet though. 131# canon_targets="$canon_targets $t" 132 fi 133 done 134 GAS_UNIQ(canon_targets) 135fi 136 137emulations="" 138 139for this_target in $target $canon_targets ; do 140 141 targ=${this_target} 142 . ${srcdir}/configure.tgt 143 144 case ${target_cpu} in 145 crisv32) 146 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch, 147 [Default CRIS architecture.]) 148 ;; 149 esac 150 151 if test ${this_target} = $target ; then 152 target_cpu_type=${cpu_type} 153 elif test ${target_cpu_type} != ${cpu_type} ; then 154 continue 155 fi 156 157 generic_target=${cpu_type}-${target_vendor}-${target_os} 158 case ${generic_target} in 159 i386-*-sco3.2v5*) 160 if test ${this_target} = $target; then 161 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.]) 162 fi 163 ;; 164 165 i386-*-msdosdjgpp* \ 166 | i386-*-go32* \ 167 | i386-go32-rtems*) 168 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?]) 169 ;; 170 171 i860-*-*) 172 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) 173 ;; 174 175 microblaze*) 176 ;; 177 178changequote(,)dnl 179 ppc-*-aix[5-9].*) 180changequote([,])dnl 181 AC_DEFINE(AIX_WEAK_SUPPORT, 1, 182 [Define if using AIX 5.2 value for C_WEAKEXT.]) 183 ;; 184 ppc-*-solaris*) 185 if test ${this_target} = $target; then 186 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1, 187 [Define if default target is PowerPC Solaris.]) 188 fi 189 if test x${endian} = xbig; then 190 AC_MSG_ERROR(Solaris must be configured little endian) 191 fi 192 ;; 193 194 sh*-*-symbianelf*) 195 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.]) 196 ;; 197 esac 198 199 if test ${this_target} = $target ; then 200 endian_def= 201 if test x${endian} = xbig; then 202 endian_def=1 203 elif test x${endian} = xlittle; then 204 endian_def=0 205 fi 206 if test x${endian_def} != x; then 207 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def, 208 [Define as 1 if big endian.]) 209 fi 210 fi 211 212# Other random stuff. 213 214 case ${cpu_type} in 215 mips) 216 # Set mips_cpu to the name of the default CPU. 217 case ${target_cpu} in 218 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el) 219 mips_cpu=from-abi 220 ;; 221 mipsisa32 | mipsisa32el) 222 mips_cpu=mips32 223 ;; 224 mipsisa32r2 | mipsisa32r2el) 225 mips_cpu=mips32r2 226 ;; 227 mipsisa32r3 | mipsisa32r3el) 228 mips_cpu=mips32r3 229 ;; 230 mipsisa32r5 | mipsisa32r5el) 231 mips_cpu=mips32r5 232 ;; 233 mipsisa32r6 | mipsisa32r6el) 234 mips_cpu=mips32r6 235 ;; 236 mipsisa64 | mipsisa64el) 237 mips_cpu=mips64 238 ;; 239 mipsisa64r2 | mipsisa64r2el) 240 mips_cpu=mips64r2 241 ;; 242 mipsisa64r3 | mipsisa64r3el) 243 mips_cpu=mips64r3 244 ;; 245 mipsisa64r5 | mipsisa64r5el) 246 mips_cpu=mips64r5 247 ;; 248 mipsisa64r6 | mipsisa64r6el) 249 mips_cpu=mips64r6 250 ;; 251 mipstx39 | mipstx39el) 252 mips_cpu=r3900 253 ;; 254 mips64vr | mips64vrel) 255 mips_cpu=vr4100 256 ;; 257 mipsisa32r2* | mipsisa64r2*) 258changequote(,)dnl 259 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'` 260changequote([,])dnl 261 ;; 262 mipsisa32r6* | mipsisa64r6*) 263changequote(,)dnl 264 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'` 265changequote([,])dnl 266 ;; 267 mips64* | mipsisa64* | mipsisa32*) 268changequote(,)dnl 269 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'` 270changequote([,])dnl 271 ;; 272 mips*) 273changequote(,)dnl 274 mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'` 275changequote([,])dnl 276 ;; 277 *) 278 AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name) 279 ;; 280 esac 281 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32 282 # binaries. It's a GNU extension that some OSes don't understand. 283 case ${target} in 284 *-*-irix*) 285 use_e_mips_abi_o32=0 286 ;; 287 *) 288 use_e_mips_abi_o32=1 289 ;; 290 esac 291 # Decide whether to generate 32-bit or 64-bit code by default. 292 # Used to resolve -march=from-abi when an embedded ABI is selected. 293 case ${target} in 294 mips64*-*-* | mipsisa64*-*-*) 295 mips_default_64bit=1 296 ;; 297 *) 298 mips_default_64bit=0 299 ;; 300 esac 301 # Decide which ABI to target by default. 302 case ${target} in 303 mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu) 304 mips_default_abi=N32_ABI 305 ;; 306 mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu) 307 mips_default_abi=O32_ABI 308 ;; 309 mips64*-openbsd*) 310 mips_default_abi=N64_ABI 311 ;; 312 *) 313 mips_default_abi=NO_ABI 314 ;; 315 esac 316 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu", 317 [Default CPU for MIPS targets. ]) 318 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32, 319 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ]) 320 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit, 321 [Generate 64-bit code by default on MIPS targets. ]) 322 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi, 323 [Choose a default ABI for MIPS targets. ]) 324 ;; 325 esac 326 327 # Do we need the opcodes library? 328 case ${cpu_type} in 329 vax | tic30) 330 ;; 331 332 *) 333 need_opcodes=yes 334 335 case "${enable_shared}" in 336 yes) shared_opcodes=true ;; 337 *opcodes*) shared_opcodes=true ;; 338 *) shared_opcodes=false ;; 339 esac 340 ;; 341 esac 342 343 # Any other special object files needed ? 344 case ${cpu_type} in 345 346 bfin) 347 echo ${extra_objects} | grep -s "bfin-parse.o" 348 if test $? -ne 0 ; then 349 extra_objects="$extra_objects bfin-parse.o" 350 fi 351 352 echo ${extra_objects} | grep -s "bfin-lex-wrapper.o" 353 if test $? -ne 0 ; then 354 extra_objects="$extra_objects bfin-lex-wrapper.o" 355 fi 356 ;; 357 358 epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k) 359 using_cgen=yes 360 ;; 361 362 m32c) 363 using_cgen=yes 364 ;; 365 frv) 366 using_cgen=yes 367 ;; 368 m68k) 369 case ${extra_objects} in 370 *m68k-parse.o*) ;; 371 *) extra_objects="$extra_objects m68k-parse.o" ;; 372 esac 373 ;; 374 375 mep) 376 using_cgen=yes 377 ;; 378 379 mips) 380 echo ${extra_objects} | grep -s "itbl-parse.o" 381 if test $? -ne 0 ; then 382 extra_objects="$extra_objects itbl-parse.o" 383 fi 384 385 echo ${extra_objects} | grep -s "itbl-lex-wrapper.o" 386 if test $? -ne 0 ; then 387 extra_objects="$extra_objects itbl-lex-wrapper.o" 388 fi 389 390 echo ${extra_objects} | grep -s "itbl-ops.o" 391 if test $? -ne 0 ; then 392 extra_objects="$extra_objects itbl-ops.o" 393 fi 394 ;; 395 396 mt) 397 using_cgen=yes 398 ;; 399 400 nds32) 401 # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features 402 # based on arch_name. 403 AC_MSG_CHECKING(for default configuration of --with-arch) 404 if test "x${with_arch}" != x; then 405 case ${with_arch} in 406 v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 ) 407 AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch", 408 [Define value for nds32_arch_name]) 409 ;; 410 *) 411 AC_MSG_ERROR(This kind of arch name does *NOT* exist!) 412 ;; 413 esac 414 fi 415 AC_MSG_RESULT($with_arch) 416 417 # Decide features one by one. 418 AC_MSG_CHECKING(for default configuration of --enable-dx-regs) 419 if test "x${enable_dx_regs}" = xyes; then 420 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1, 421 [Define value for nds32_dx_regs]) 422 else 423 AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0, 424 [Define default value for nds32_dx_regs]) 425 fi 426 AC_MSG_RESULT($enable_dx_regs) 427 428 AC_MSG_CHECKING(for default configuration of --enable-perf-ext) 429 if test "x${enable_perf_ext}" = xno; then 430 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0, 431 [Define value for nds32_perf_ext]) 432 else 433 AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1, 434 [Define default value for nds32_perf_ext]) 435 fi 436 AC_MSG_RESULT($enable_perf_ext) 437 438 AC_MSG_CHECKING(for default configuration of --enable-perf-ext2) 439 if test "x${enable_perf_ext2}" = xno; then 440 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0, 441 [Define value for nds32_perf_ext2]) 442 else 443 AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1, 444 [Define default value for nds32_perf_ext2]) 445 fi 446 AC_MSG_RESULT($enable_perf_ext2) 447 448 AC_MSG_CHECKING(for default configuration of --enable-string-ext) 449 if test "x${enable_string_ext}" = xno; then 450 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0, 451 [Define value for nds32_string_ext]) 452 else 453 AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1, 454 [Define default value for nds32_string_ext]) 455 fi 456 AC_MSG_RESULT($enable_string_ext) 457 458 AC_MSG_CHECKING(for default configuration of --enable-audio-ext) 459 if test "x${enable_audio_ext}" = xno; then 460 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0, 461 [Define value for nds32_audio_ext]) 462 else 463 AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1, 464 [Define default value for nds32_audio_ext]) 465 fi 466 AC_MSG_RESULT($enable_audio_ext) 467 ;; 468 469 i386 | s390 | sparc) 470 if test $this_target = $target ; then 471 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) 472 fi 473 ;; 474 475 rl78) 476 echo ${extra_objects} | grep -s "rl78-parse.o" 477 if test $? -ne 0 ; then 478 extra_objects="$extra_objects rl78-parse.o" 479 fi 480 ;; 481 482 rx) 483 echo ${extra_objects} | grep -s "rx-parse.o" 484 if test $? -ne 0 ; then 485 extra_objects="$extra_objects rx-parse.o" 486 fi 487 ;; 488 489 xstormy16) 490 using_cgen=yes 491 ;; 492 493 xc16x) 494 using_cgen=yes 495 ;; 496 497 xtensa) 498 echo ${extra_objects} | grep -s "xtensa-relax.o" 499 if test $? -ne 0 ; then 500 extra_objects="$extra_objects xtensa-relax.o" 501 fi 502 ;; 503 504 *) 505 ;; 506 esac 507 508 if test $using_cgen = yes ; then 509 case "x${extra_objects}" in 510 *cgen.o*) ;; 511 *) extra_objects="$extra_objects cgen.o" ;; 512 esac 513 fi 514 515# See if we really can support this configuration with the emulation code. 516 517 if test $this_target = $target ; then 518 obj_format=$fmt 519 te_file=$em 520 fi 521 522 case ${te_file} in 523 vms) extra_objects="$extra_objects te-vms.o" ;; 524 esac 525 526# From target name and format, produce a list of supported emulations. 527 528 case ${generic_target}-${fmt} in 529 mips-*-*-*) case "$endian" in 530 big) emulation="mipsbelf mipslelf mipself" ;; 531 *) emulation="mipslelf mipsbelf mipself" ;; 532 esac ;; 533 # i386-pc-pe-coff != i386-pc-coff. 534 i386-*-pe-coff) ;; 535 # Uncommenting the next line will turn on support for i386 AOUT 536 # for the default linux configuration 537 # i386-*-linux*-elf) emulation="i386elf i386aout" ;; 538 # 539 i386-*-aout) emulation="i386aout" ;; 540 i386-*-coff) emulation="i386coff" ;; 541 i386-*-elf) emulation="i386elf" ;; 542 543 # Always all formats. The first stated emulation becomes the default. 544 cris-*-*aout*) emulation="crisaout criself" ;; 545 cris-*-*) emulation="criself crisaout" ;; 546 esac 547 548 emulations="$emulations $emulation" 549 550done 551 552if test x$ac_default_compressed_debug_sections = xyes ; then 553 AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.]) 554fi 555 556# Turn on all targets if possible 557if test ${all_targets} = "yes"; then 558 case ${target_cpu_type} in 559 i386) 560 case ${obj_format} in 561 aout) 562 emulations="$emulations i386coff i386elf" 563 ;; 564 coff) 565 emulations="$emulations i386aout i386elf" 566 ;; 567 elf) 568 emulations="$emulations i386aout i386coff" 569 ;; 570 esac 571 ;; 572 x86_64) 573 case ${obj_format} in 574 aout) 575 emulations="$emulations i386coff i386elf" 576 ;; 577 coff) 578 emulations="$emulations i386aout i386elf" 579 ;; 580 elf) 581 emulations="$emulations i386aout i386coff" 582 ;; 583 esac 584 ;; 585 esac 586fi 587 588# PE code has way too many macros tweaking behaviour 589case ${te_file} in 590 pe*) emulations="" ;; 591esac 592 593# Assign floating point type. Most processors with FP support 594# IEEE FP. On those that don't support FP at all, usually IEEE 595# is emulated. 596case ${target_cpu} in 597 vax | pdp11 ) atof=vax ;; 598 *) atof=ieee ;; 599esac 600 601case "${obj_format}" in 602 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;; 603esac 604 605# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU). 606cgen_cpu_prefix="" 607if test $using_cgen = yes ; then 608 case ${target_cpu} in 609 or1knd) 610 cgen_cpu_prefix=or1k ;; 611 *) cgen_cpu_prefix=${target_cpu} ;; 612 esac 613 AC_SUBST(cgen_cpu_prefix) 614 AC_DEFINE(USING_CGEN, 1, [Using cgen code?]) 615fi 616 617dnl 618dnl Make sure the desired support files exist. 619dnl 620 621if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then 622 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) 623fi 624 625if test ! -r ${srcdir}/config/obj-${obj_format}.c; then 626 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) 627fi 628 629# Some COFF configurations want these random other flags set. 630case ${obj_format} in 631 coff) 632 case ${target_cpu_type} in 633 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;; 634 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;; 635 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;; 636 x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;; 637 esac 638 ;; 639esac 640 641# Getting this done right is going to be a bitch. Each configuration specified 642# with --enable-targets=... should be checked for environment, format, cpu 643# setting. 644# 645# For each configuration, the necessary object file support code must be linked 646# in. This might be only one, it might be up to four. The necessary emulation 647# code needs to be provided, too. 648# 649# And then there's "--enable-targets=all".... 650# 651# For now, just always do it for MIPS ELF configurations. Sigh. 652 653formats="${obj_format}" 654emfiles="" 655EMULATIONS="" 656GAS_UNIQ(emulations) 657for em in . $emulations ; do 658 case $em in 659 .) continue ;; 660 mipsbelf | mipslelf | mipself) 661 fmt=elf file=mipself ;; 662 *coff) 663 fmt=coff file=$em ;; 664 *aout) 665 fmt=aout file=$em ;; 666 *elf) 667 fmt=elf file=$em ;; 668 esac 669 formats="$formats $fmt" 670 emfiles="$emfiles e-$file.o" 671 EMULATIONS="$EMULATIONS &$em," 672done 673GAS_UNIQ(formats) 674GAS_UNIQ(emfiles) 675if test `set . $formats ; shift ; echo $#` -gt 1 ; then 676 for fmt in $formats ; do 677 case $fmt in 678 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;; 679 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;; 680 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;; 681 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;; 682 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;; 683 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;; 684 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;; 685 esac 686 extra_objects="$extra_objects obj-$fmt.o" 687 done 688 obj_format=multi 689fi 690if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then 691 DEFAULT_EMULATION=`set . $emulations ; echo $2` 692 # e-mipself has more than one emulation per file, e-i386* has just one at the 693 # moment. If only one emulation is specified, then don't define 694 # USE_EMULATIONS or include any of the e-files as they will only be bloat. 695 case "${obj_format}${emfiles}" in 696 multi* | *mipself*) 697 extra_objects="$extra_objects $emfiles" 698 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;; 699 esac 700fi 701AC_SUBST(extra_objects) 702AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.]) 703AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION", 704 [Default emulation.]) 705 706reject_dev_configs=yes 707 708case ${reject_dev_configs}-${dev} in 709 yes-yes) # Oops. 710 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) 711 ;; 712esac 713 714AC_SUBST(target_cpu_type) 715AC_SUBST(obj_format) 716AC_SUBST(te_file) 717AC_SUBST(install_tooldir) 718AC_SUBST(atof) 719dnl AC_SUBST(emulation) 720 721# do we need the opcodes library? 722case "${need_opcodes}" in 723yes) 724 OPCODES_LIB=../opcodes/libopcodes.la 725 ;; 726esac 727 728AC_SUBST(OPCODES_LIB) 729 730AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.]) 731AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.]) 732AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.]) 733AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.]) 734AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.]) 735 736AC_PROG_YACC 737AM_PROG_LEX 738 739ALL_LINGUAS="fr tr es rw id ru fi ja zh_CN" 740ZW_GNU_GETTEXT_SISTER_DIR 741AM_PO_SUBDIRS 742 743AM_MAINTAINER_MODE 744AM_CONDITIONAL(GENINSRC_NEVER, false) 745AC_EXEEXT 746 747AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h) 748ACX_HEADER_STRING 749 750# Put this here so that autoconf's "cross-compiling" message doesn't confuse 751# people who are not cross-compiling but are compiling cross-assemblers. 752AC_MSG_CHECKING(whether compiling a cross-assembler) 753if test "${host}" = "${target}"; then 754 cross_gas=no 755else 756 cross_gas=yes 757 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?]) 758fi 759AC_MSG_RESULT($cross_gas) 760 761dnl ansidecl.h will deal with const 762dnl AC_C_CONST 763AC_FUNC_ALLOCA 764AC_C_INLINE 765 766# VMS doesn't have unlink. 767AC_CHECK_FUNCS(unlink remove, break) 768AC_CHECK_FUNCS(sbrk setlocale) 769 770AM_LC_MESSAGES 771 772# do we need the math library? 773case "${need_libm}" in 774yes) 775 LT_LIB_M 776 AC_SUBST(LIBM) 777 ;; 778esac 779 780# Some non-ANSI preprocessors botch requoting inside strings. That's bad 781# enough, but on some of those systems, the assert macro relies on requoting 782# working properly! 783GAS_WORKING_ASSERT 784 785# On some systems, the system header files may not declare malloc, realloc, 786# and free. There are places where gas needs these functions to have been 787# declared -- such as when taking their addresses. 788gas_test_headers=" 789#ifdef HAVE_MEMORY_H 790#include <memory.h> 791#endif 792#ifdef HAVE_STRING_H 793#include <string.h> 794#else 795#ifdef HAVE_STRINGS_H 796#include <strings.h> 797#endif 798#endif 799#ifdef HAVE_STDLIB_H 800#include <stdlib.h> 801#endif 802#ifdef HAVE_UNISTD_H 803#include <unistd.h> 804#endif 805" 806 807# Does errno.h declare errno, or do we have to add a separate declaration 808# for it? 809GAS_CHECK_DECL_NEEDED(errno, f, int f, [ 810#ifdef HAVE_ERRNO_H 811#include <errno.h> 812#endif 813]) 814 815AC_MSG_CHECKING(for a known getopt prototype in unistd.h) 816AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h, 817[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], 818gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)]) 819AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h) 820if test $gas_cv_decl_getopt_unistd_h = yes; then 821 AC_DEFINE([HAVE_DECL_GETOPT], 1, 822 [Is the prototype for getopt in <unistd.h> in the expected format?]) 823fi 824 825GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers) 826GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers) 827GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) 828GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) 829GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers) 830GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers) 831 832AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf]) 833 834BFD_BINARY_FOPEN 835 836# Link in zlib if we can. This allows us to write compressed debug sections. 837AM_ZLIB 838 839# Support for VMS timestamps via cross compile 840 841if test "$ac_cv_header_time_h" = yes; then 842 GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff) 843fi 844 845if test "$ac_cv_header_sys_stat_h" = yes; then 846 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec) 847 GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec) 848fi 849 850 851dnl Required for html, pdf, install-pdf and install-html targets. 852AC_SUBST(datarootdir) 853AC_SUBST(docdir) 854AC_SUBST(htmldir) 855AC_SUBST(pdfdir) 856 857dnl This must come last. 858 859dnl We used to make symlinks to files in the source directory, but now 860dnl we just use the right name for .c files, and create .h files in 861dnl the build directory which include the right .h file. Make sure 862dnl the old symlinks don't exist, so that a reconfigure in an existing 863dnl directory behaves reasonably. 864 865AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in) 866AC_CONFIG_COMMANDS([default], 867[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h 868 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h 869 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h 870 echo '#include "te-'"${te_file}"'.h"' > targ-env.h 871 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h 872 if test "x$cgen_cpu_prefix" != x ; then 873 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h 874 fi], 875[target_cpu_type=${target_cpu_type} 876 cgen_cpu_prefix=${cgen_cpu_prefix} 877 obj_format=${obj_format} 878 te_file=${te_file}]) 879 880AC_OUTPUT 881