configure.in revision 38891
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 7dnl v2.5 needed for --bindir et al 8AC_PREREQ(2.5) 9AC_INIT(as.h) 10 11AC_CANONICAL_SYSTEM 12 13AM_INIT_AUTOMAKE(gas, 2.9.1) 14 15AM_PROG_LIBTOOL 16 17user_bfd_gas= 18AC_ARG_ENABLE(bfd-assembler, 19[ --enable-bfd-assembler use BFD back end for writing object files], 20[case "${enableval}" in 21 yes) need_bfd=yes user_bfd_gas=yes ;; 22 no) user_bfd_gas=no ;; 23 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;; 24esac])dnl 25AC_ARG_ENABLE(targets, 26[ targets alternative target configurations besides the primary], 27[case "${enableval}" in 28 yes | "") AC_ERROR(enable-targets option must specify target names or 'all') 29 ;; 30 no) enable_targets= ;; 31 *) enable_targets=$enableval ;; 32esac])dnl 33AC_ARG_ENABLE(commonbfdlib, 34[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library], 35[case "${enableval}" in 36 yes) commonbfdlib=true ;; 37 no) commonbfdlib=false ;; 38 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;; 39esac])dnl 40 41# Generate a header file 42AM_CONFIG_HEADER(config.h:config.in) 43 44te_file=generic 45 46canon_targets="" 47if test -n "$enable_targets" ; then 48 for t in `echo $enable_targets | sed 's/,/ /g'`; do 49 result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $t 2>/dev/null` 50 if test -n "$result" ; then 51 canon_targets="$canon_targets $result" 52# else 53# # Permit "all", etc. We don't support it yet though. 54# canon_targets="$canon_targets $t" 55 fi 56 done 57 GAS_UNIQ(canon_targets) 58fi 59 60emulations="" 61 62for this_target in $target $canon_targets ; do 63 64changequote(,)dnl 65 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'` 66changequote([,])dnl 67 68 # check for architecture variants 69 arch= 70 endian= 71 case ${cpu} in 72 alpha*) cpu_type=alpha ;; 73 armeb) cpu_type=arm endian=big ;; 74 arm*) cpu_type=arm endian=little ;; 75 thumb*) cpu_type=arm endian=little ;; 76 hppa*) cpu_type=hppa ;; 77changequote(,)dnl 78 i[456]86) cpu_type=i386 ;; 79 m680[012346]0) cpu_type=m68k ;; 80 m68008) cpu_type=m68k ;; 81 m683??) cpu_type=m68k ;; 82changequote([,])dnl 83 m8*) cpu_type=m88k ;; 84 mips*el) cpu_type=mips endian=little ;; 85 mips*) cpu_type=mips endian=big ;; 86 powerpcle*) cpu_type=ppc endian=little ;; 87 powerpc*) cpu_type=ppc endian=big ;; 88 rs6000*) cpu_type=ppc ;; 89 sparclite*) cpu_type=sparc arch=sparclite ;; 90 sparclet*) cpu_type=sparc arch=sparclet ;; 91 sparc64*) cpu_type=sparc arch=v9-64 ;; 92 sparc*) cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c. 93 v850*) cpu_type=v850 ;; 94 *) cpu_type=${cpu} ;; 95 esac 96 97 if test ${this_target} = $target ; then 98 target_cpu_type=${cpu_type} 99 if test x${endian} = xbig; then 100 AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 1) 101 elif test x${endian} = xlittle; then 102 AC_DEFINE(TARGET_BYTES_BIG_ENDIAN, 0) 103 fi 104 elif test ${target_cpu_type} != ${cpu_type} ; then 105 continue 106 fi 107 108 generic_target=${cpu_type}-$vendor-$os 109 dev=no 110 bfd_gas=no 111 em=generic 112 113 # assign object format 114 case ${generic_target} in 115 a29k-*-coff) fmt=coff ;; 116 a29k-amd-udi) fmt=coff ;; 117 a29k-amd-ebmon) fmt=coff ;; 118 a29k-nyu-sym1) fmt=coff ;; 119 a29k-*-vxworks*) fmt=coff ;; 120 121 alpha*-*-*vms*) fmt=evax ;; 122 alpha*-*-netware*) fmt=ecoff ;; 123 alpha*-*-openbsd*) fmt=ecoff ;; 124 alpha*-*-osf*) fmt=ecoff ;; 125 alpha*-*-linuxecoff*) fmt=ecoff ;; 126 alpha*-*-linux-gnu*) fmt=elf em=linux ;; 127 alpha*-*-netbsd*) fmt=elf em=nbsd ;; 128 129 arc-*-elf*) fmt=elf bfd_gas=yes ;; 130 131 arm-*-riscix*) fmt=aout em=riscix ;; 132 arm-*-aout) fmt=aout ;; 133 arm-*-coff | thumb-*-coff) fmt=coff ;; 134 arm-*-riscix*) fmt=aout ;; 135 arm-*-pe | thumb-*-pe) fmt=coff em=pe ;; 136 137 d10v-*-*) fmt=elf bfd_gas=yes ;; 138 139 hppa-*-*elf*) fmt=elf em=hppa ;; 140 hppa-*-lites*) fmt=elf em=hppa ;; 141 hppa-*-osf*) fmt=som em=hppa ;; 142 hppa-*-rtems*) fmt=elf em=hppa ;; 143 hppa-*-hpux*) fmt=som em=hppa ;; 144 hppa-*-bsd*) fmt=som em=hppa ;; 145 hppa-*-hiux*) fmt=som em=hppa ;; 146 147 h8300-*-coff) fmt=coff ;; 148 149 i386-ibm-aix*) fmt=coff em=i386aix ;; 150 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;; 151 i386-*-bsd*) fmt=aout em=386bsd ;; 152 i386-*-netbsd0.8) fmt=aout em=386bsd ;; 153 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;; 154 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;; 155 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;; 156 i386-*-linux*coff*) fmt=coff em=linux ;; 157 i386-*-linux-gnu*) fmt=elf em=linux ;; 158 i386-*-lynxos*) fmt=coff em=lynx ;; 159 i386-*-sysv4* | i386-*-solaris* | i386-*-elf) 160 fmt=elf ;; 161 i386-*-freebsdelf*) fmt=elf em=freebsd;; 162 i386-*-freebsd*) fmt=aout em=freebsd bfd_gas=yes ;; 163 i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*) 164 fmt=coff ;; 165 i386-*-sco3.2v5*) fmt=elf 166 if test ${this_target} = $target; then 167 AC_DEFINE(SCO_ELF) 168 fi 169 ;; 170 i386-*-sco3.2*) fmt=coff ;; 171 i386-*-vsta) fmt=aout ;; 172 i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*) 173 fmt=coff em=go32;; 174 i386-*-rtems*) fmt=coff ;; 175 i386-*-gnu*) fmt=elf ;; 176 i386-*-mach*) 177 fmt=aout em=mach bfd_gas=yes ;; 178 i386-*-msdos*) fmt=aout ;; 179 i386-*-moss*) fmt=elf ;; 180 i386-*-pe) fmt=coff em=pe ;; 181 i386-*-cygwin32*) fmt=coff em=pe bfd_gas=yes ;; 182 i386-*-mingw32*) fmt=coff em=pe bfd_gas=yes ;; 183 i386-*-*nt*) fmt=coff em=pe ;; 184 i960-*-bout) fmt=bout ;; 185 i960-*-coff) fmt=coff em=ic960 ;; 186 i960-*-rtems*) fmt=coff em=ic960 ;; 187 i960-*-nindy*) fmt=bout ;; 188 i960-*-vxworks4*) fmt=bout ;; 189 i960-*-vxworks5.0) fmt=bout ;; 190 i960-*-vxworks5.*) fmt=coff em=ic960 ;; 191 i960-*-vxworks*) fmt=bout ;; 192 193 m32r-*-*) fmt=elf bfd_gas=yes ;; 194 195 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*) 196 fmt=aout em=sun3 ;; 197 m68k-motorola-sysv*) fmt=coff em=delta ;; 198 m68k-bull-sysv3*) fmt=coff em=dpx2 ;; 199 m68k-apollo-*) fmt=coff em=apollo ;; 200 m68k-*-sysv4*) # must be before -sysv* 201 fmt=elf em=svr4 ;; 202 m68k-*-elf*) fmt=elf ;; 203 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*) 204 fmt=coff ;; 205 m68k-*-hpux*) fmt=hp300 em=hp300 ;; 206 m68k-*-linux*aout*) fmt=aout em=linux ;; 207 m68k-*-linux-gnu*) fmt=elf em=linux ;; 208 m68k-*-lynxos*) fmt=coff em=lynx ;; 209 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 210 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 211 m68k-apple-aux*) fmt=coff em=aux ;; 212 m68k-*-psos*) fmt=elf em=psos;; 213 214 m88k-motorola-sysv3*) fmt=coff em=delt88 ;; 215 m88k-*-coff*) fmt=coff ;; 216 217 # don't change em like *-*-bsd does 218 mips-dec-netbsd*) fmt=elf endian=little ;; 219 mips-dec-openbsd*) fmt=elf endian=little ;; 220 mips-dec-bsd*) fmt=aout ;; 221 mips-sony-bsd*) fmt=ecoff ;; 222 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;; 223 mips-*-ultrix*) fmt=ecoff endian=little ;; 224 mips-*-osf*) fmt=ecoff endian=little ;; 225 mips-*-ecoff*) fmt=ecoff ;; 226 mips-*-ecoff*) fmt=ecoff ;; 227 mips-*-irix6*) fmt=elf ;; 228 mips-*-irix5*) fmt=elf ;; 229 mips-*-irix*) fmt=ecoff ;; 230 mips-*-lnews*) fmt=ecoff em=lnews ;; 231 mips-*-riscos*) fmt=ecoff ;; 232 mips-*-sysv*) fmt=ecoff ;; 233 mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*) 234 fmt=elf ;; 235 mn10200-*-*) fmt=elf bfd_gas=yes ;; 236 mn10300-*-*) fmt=elf bfd_gas=yes ;; 237 ppc-*-pe | ppc-*-cygwin32 | ppc-*-winnt*) 238 fmt=coff em=pe ;; 239 ppc-*-aix*) fmt=coff ;; 240 ppc-*-beos*) fmt=coff ;; 241 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*) 242 fmt=elf ;; 243 ppc-*-linux-gnu*) fmt=elf 244 case "$endian" in 245 big) ;; 246 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;; 247 esac 248 ;; 249 ppc-*-solaris*) fmt=elf 250 if test ${this_target} = $target; then 251 AC_DEFINE(TARGET_SOLARIS_COMMENT) 252 fi 253 if test x${endian} = xbig; then 254 AC_MSG_ERROR(Solaris must be configured little endian) 255 fi 256 ;; 257 ppc-*-rtems*) fmt=elf ;; 258 ppc-*-macos* | ppc-*-mpw*) 259 fmt=coff em=macos ;; 260 ppc-*-netware*) fmt=elf em=ppcnw ;; 261 262 sh-*-elf*) fmt=elf ;; 263 sh-*-coff*) fmt=coff ;; 264 sh-*-rtems*) fmt=coff ;; 265 266 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;; 267 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;; 268 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;; 269 270 sparc-*-rtems*) fmt=aout ;; 271 sparc-*-sunos4*) fmt=aout em=sun3 ;; 272 sparc-*-aout | sparc*-*-vxworks*) 273 fmt=aout em=sparcaout ;; 274 sparc-*-coff) fmt=coff ;; 275 sparc-*-linux*aout*) fmt=aout em=linux ;; 276 sparc-*-linux-gnu*) fmt=elf em=linux ;; 277 sparc-*-lynxos*) fmt=coff em=lynx ;; 278 sparc-fujitsu-none) fmt=aout ;; 279 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*) 280 fmt=elf ;; 281 sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 282 sparc-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 283 284 tic30-*-*aout*) fmt=aout bfd_gas=yes ;; 285 tic30-*-*coff*) fmt=coff bfd_gas=yes ;; 286 287 288 v850-*-*) fmt=elf bfd_gas=yes ;; 289 290 vax-*-bsd* | vax-*-ultrix*) 291 fmt=aout ;; 292 vax-*-vms) fmt=vms ;; 293 294 z8k-*-coff | z8k-*-sim) 295 fmt=coff ;; 296 297 w65-*-*) fmt=coff ;; 298 299 *-*-aout | *-*-scout) 300 fmt=aout ;; 301 *-*-nindy*) 302 fmt=bout ;; 303 *-*-bsd*) 304 fmt=aout em=sun3 ;; 305 *-*-generic) fmt=generic ;; 306 *-*-xray | *-*-hms) fmt=coff ;; 307 *-*-sim) fmt=coff ;; 308 *-*-elf | *-*-sysv4* | *-*-solaris*) 309 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.) 310 fmt=elf dev=yes ;; 311 *-*-vxworks) fmt=aout ;; 312 *-*-netware) fmt=elf ;; 313 esac 314 315 case ${cpu_type}-${fmt} in 316 alpha*-*) bfd_gas=yes ;; 317 arm-*) bfd_gas=yes ;; 318 # not yet 319 # i386-aout) bfd_gas=preferred ;; 320 mips-*) bfd_gas=yes ;; 321 ns32k-*) bfd_gas=yes ;; 322 ppc-*) bfd_gas=yes ;; 323 sparc-*) bfd_gas=yes ;; 324 *-elf) bfd_gas=yes ;; 325 *-ecoff) bfd_gas=yes ;; 326 *-som) bfd_gas=yes ;; 327 *) ;; 328 esac 329 330# Other random stuff. 331 332 # do we need the opcodes library? 333 case ${cpu_type} in 334 vax | i386 | tic30) 335 ;; 336 *) 337 need_opcodes=yes 338 339 case "${enable_shared}" in 340 yes) shared_opcodes=true ;; 341 *opcodes*) shared_opcodes=true ;; 342 *) shared_opcodes=false ;; 343 esac 344 if test "${shared_opcodes}" = "true"; then 345 # A shared libopcodes must be linked against libbfd. 346 need_bfd=yes 347 fi 348 ;; 349 esac 350 351 case ${cpu_type} in 352 m32r) 353 case ${extra_objects} in 354 *cgen.o*) ;; 355 *) extra_objects="$extra_objects cgen.o" 356 AC_DEFINE(USING_CGEN) 357 ;; 358 esac 359 ;; 360 361 m68k) 362 case ${extra_objects} in 363 *m68k-parse.o*) ;; 364 *) extra_objects="$extra_objects m68k-parse.o" ;; 365 esac 366 ;; 367 368 mips) 369 echo ${extra_objects} | grep -s "itbl-parse.o" 370 if test $? -ne 0 ; then 371 extra_objects="$extra_objects itbl-parse.o" 372 fi 373 374 echo ${extra_objects} | grep -s "itbl-lex.o" 375 if test $? -ne 0 ; then 376 extra_objects="$extra_objects itbl-lex.o" 377 fi 378 379 echo ${extra_objects} | grep -s "itbl-ops.o" 380 if test $? -ne 0 ; then 381 extra_objects="$extra_objects itbl-ops.o" 382 fi 383 ;; 384 385 sparc) 386 if test $this_target = $target ; then 387 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}") 388 fi 389 ;; 390 391 *) 392 ;; 393 esac 394 395# See if we really can support this configuration with the emulation code. 396 397 if test $this_target = $target ; then 398 primary_bfd_gas=$bfd_gas 399 obj_format=$fmt 400 te_file=$em 401 402 if test $bfd_gas = no ; then 403 # Can't support other configurations this way. 404 break 405 fi 406 elif test $bfd_gas = no ; then 407 # Can't support this configuration. 408 break 409 fi 410 411# From target name and format, produce a list of supported emulations. 412 413 case ${generic_target}-${fmt} in 414 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; 415 mips-*-linux-gnu*-*) case "$endian" in 416 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; 417 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;; 418 esac ;; 419 mips-*-lnews*-ecoff) ;; 420 mips-*-*-ecoff) case "$endian" in 421 big) emulation="mipsbecoff mipslecoff mipsecoff" ;; 422 *) emulation="mipslecoff mipsbecoff mipsecoff" ;; 423 esac ;; 424 mips-*-*-elf) case "$endian" in 425 big) emulation="mipsbelf mipslelf mipself" ;; 426 *) emulation="mipslelf mipsbelf mipself" ;; 427 # Uncommenting the next line will turn on support for i386 COFF 428 # in any i386 ELF configuration. This probably doesn't work 429 # correctly. 430 # i386-*-*-elf) emulation="i386coff i386elf" ;; 431 esac ;; 432 esac 433 434 emulations="$emulations $emulation" 435 436done 437 438# Assign floating point type. Most processors with FP support 439# IEEE FP. On those that don't support FP at all, usually IEEE 440# is emulated. 441case ${target_cpu} in 442 vax | tahoe ) atof=${target_cpu} ;; 443 *) atof=ieee ;; 444esac 445 446case "${obj_format}" in 447 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;; 448esac 449 450dnl 451dnl Make sure the desired support files exist. 452dnl 453 454if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then 455 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) 456fi 457 458if test ! -r ${srcdir}/config/obj-${obj_format}.c; then 459 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) 460fi 461 462case ${user_bfd_gas}-${primary_bfd_gas} in 463 yes-yes | no-no) 464 # We didn't override user's choice. 465 ;; 466 no-yes) 467 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.) 468 ;; 469 no-preferred) 470 primary_bfd_gas=no 471 ;; 472 *-preferred) 473 primary_bfd_gas=yes 474 ;; 475 yes-*) 476 primary_bfd_gas=yes 477 ;; 478 -*) 479 # User specified nothing. 480 ;; 481esac 482 483# Some COFF configurations want these random other flags set. 484case ${obj_format} in 485 coff) 486 case ${target_cpu_type} in 487 i386) AC_DEFINE(I386COFF) ;; 488 m68k) AC_DEFINE(M68KCOFF) ;; 489 m88k) AC_DEFINE(M88KCOFF) ;; 490 esac 491 ;; 492esac 493 494# Getting this done right is going to be a bitch. Each configuration specified 495# with --enable-targets=... should be checked for environment, format, cpu, and 496# bfd_gas setting. 497# 498# For each configuration, the necessary object file support code must be linked 499# in. This might be only one, it might be up to four. The necessary emulation 500# code needs to be provided, too. 501# 502# And then there's "--enable-targets=all".... 503# 504# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh. 505 506formats="${obj_format}" 507emfiles="" 508EMULATIONS="" 509GAS_UNIQ(emulations) 510for em in . $emulations ; do 511 case $em in 512 .) continue ;; 513 mipsbelf | mipslelf) 514 fmt=elf file=mipself ;; 515 mipsbecoff | mipslecoff) 516 fmt=ecoff file=mipsecoff ;; 517 i386coff) 518 fmt=coff file=i386coff ;; 519 i386elf) 520 fmt=elf file=i386elf ;; 521 esac 522 formats="$formats $fmt" 523 emfiles="$emfiles e-$file.o" 524 EMULATIONS="$EMULATIONS &$em," 525done 526GAS_UNIQ(formats) 527GAS_UNIQ(emfiles) 528if test `set . $formats ; shift ; echo $#` -gt 1 ; then 529 for fmt in $formats ; do 530 case $fmt in 531 aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;; 532 bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;; 533 coff) AC_DEFINE(OBJ_MAYBE_COFF) ;; 534 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;; 535 elf) AC_DEFINE(OBJ_MAYBE_ELF) ;; 536 generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;; 537 hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;; 538 ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;; 539 som) AC_DEFINE(OBJ_MAYBE_SOM) ;; 540 vms) AC_DEFINE(OBJ_MAYBE_VMS) ;; 541 esac 542 extra_objects="$extra_objects obj-$fmt.o" 543 done 544 obj_format=multi 545fi 546if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then 547 te_file=multi 548 extra_objects="$extra_objects $emfiles" 549 DEFAULT_EMULATION=`set . $emulations ; echo $2` 550 AC_DEFINE(USE_EMULATIONS) 551fi 552AC_SUBST(extra_objects) 553AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS) 554AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION") 555 556case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in 557 yes-*-coff) need_bfd=yes ;; 558 no-*-coff) need_bfd=yes 559 AC_DEFINE(MANY_SEGMENTS) ;; 560esac 561 562reject_dev_configs=yes 563 564case ${reject_dev_configs}-${dev} in 565 yes-yes) # Oops. 566 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) 567 ;; 568esac 569 570AC_SUBST(target_cpu_type) 571AC_SUBST(obj_format) 572AC_SUBST(te_file) 573AC_SUBST(atof) 574dnl AC_SUBST(emulation) 575 576case "${primary_bfd_gas}" in 577 yes) AC_DEFINE(BFD_ASSEMBLER) 578 need_bfd=yes ;; 579esac 580 581# do we need the opcodes library? 582case "${need_opcodes}" in 583yes) 584 OPCODES_LIB=../opcodes/libopcodes.la 585 ;; 586esac 587 588case "${need_bfd}" in 589yes) 590 BFDLIB=../bfd/libbfd.la 591 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h" 592 ;; 593esac 594 595AC_SUBST(BFDLIB) 596AC_SUBST(OPCODES_LIB) 597 598AC_SUBST(ALL_OBJ_DEPS) 599 600AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}") 601AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}") 602AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}") 603AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}") 604AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}") 605 606AC_PROG_CC 607 608AC_PROG_YACC 609AC_PROG_LEX 610AC_DECL_YYTEXT 611 612AM_MAINTAINER_MODE 613AM_CYGWIN32 614AM_EXEEXT 615 616AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h) 617 618# Put this here so that autoconf's "cross-compiling" message doesn't confuse 619# people who are not cross-compiling but are compiling cross-assemblers. 620AC_MSG_CHECKING(whether compiling a cross-assembler) 621if test "${host}" = "${target}"; then 622 cross_gas=no 623else 624 cross_gas=yes 625 AC_DEFINE(CROSS_COMPILE) 626fi 627AC_MSG_RESULT($cross_gas) 628 629dnl ansidecl.h will deal with const 630dnl AC_CONST 631AC_FUNC_ALLOCA 632AC_C_INLINE 633 634# VMS doesn't have unlink. 635AC_CHECK_FUNCS(unlink remove, break) 636 637# Some systems don't have sbrk(). 638AC_CHECK_FUNCS(sbrk) 639 640# Some non-ANSI preprocessors botch requoting inside strings. That's bad 641# enough, but on some of those systems, the assert macro relies on requoting 642# working properly! 643GAS_WORKING_ASSERT 644 645# On some systems, the system header files may not declare malloc, realloc, 646# and free. There are places where gas needs these functions to have been 647# declared -- such as when taking their addresses. 648gas_test_headers=" 649#ifdef HAVE_MEMORY_H 650#include <memory.h> 651#endif 652#ifdef HAVE_STRING_H 653#include <string.h> 654#else 655#ifdef HAVE_STRINGS_H 656#include <strings.h> 657#endif 658#endif 659#ifdef HAVE_STDLIB_H 660#include <stdlib.h> 661#endif 662#ifdef HAVE_UNISTD_H 663#include <unistd.h> 664#endif 665" 666GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers) 667GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) 668GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) 669GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers) 670 671# Does errno.h declare errno, or do we have to add a separate declaration 672# for it? 673GAS_CHECK_DECL_NEEDED(errno, f, int f, [ 674#ifdef HAVE_ERRNO_H 675#include <errno.h> 676#endif 677]) 678 679dnl This must come last. 680 681dnl We used to make symlinks to files in the source directory, but now 682dnl we just use the right name for .c files, and create .h files in 683dnl the build directory which include the right .h file. Make sure 684dnl the old symlinks don't exist, so that a reconfigure in an existing 685dnl directory behaves reasonably. 686 687AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in, 688[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h 689 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h 690 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h 691 echo '#include "te-'"${te_file}"'.h"' > targ-env.h 692 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h 693 case ${target_cpu_type} in 694 m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;; 695 esac], 696[target_cpu_type=${target_cpu_type} 697 obj_format=${obj_format} 698 te_file=${te_file}]) 699