configure.in revision 33965
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 7AC_PREREQ(2.5)dnl v2.5 needed for --bindir et al 8AC_INIT(as.h)dnl 9dnl 10user_bfd_gas= 11AC_ARG_ENABLE(bfd-assembler, 12[ --enable-bfd-assembler use BFD back end for writing object files], 13[case "${enableval}" in 14 yes) need_bfd=yes user_bfd_gas=yes ;; 15 no) user_bfd_gas=no ;; 16 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;; 17esac])dnl 18AC_ARG_ENABLE(targets, 19[ targets alternative target configurations besides the primary], 20[case "${enableval}" in 21 yes | "") AC_ERROR(enable-targets option must specify target names or 'all') 22 ;; 23 no) enable_targets= ;; 24 *) enable_targets=$enableval ;; 25esac])dnl 26AC_ARG_ENABLE(shared, 27[ --enable-shared build shared BFD library], 28[case "${enableval}" in 29 yes) shared=true shared_bfd=true shared_opcodes=true ;; 30 no) shared=false ;; 31 *bfd*opcodes*) shared=true shared_bfd=true shared_opcodes=true ;; 32 *opcodes*bfd*) shared=true shared_bfd=true shared_opcodes=true ;; 33 *bfd*) shared=true shared_bfd=true ;; 34 *opcodes*) shared=true shared_opcodes=true ;; 35 *) shared=false ;; 36esac])dnl 37AC_ARG_ENABLE(commonbfdlib, 38[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library], 39[case "${enableval}" in 40 yes) commonbfdlib=true ;; 41 no) commonbfdlib=false ;; 42 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;; 43esac])dnl 44 45# Generate a header file -- gets more post-processing by Makefile later. 46AC_CONFIG_HEADER(conf) 47 48dnl For recursion to work right, this must be an absolute pathname. 49AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) 50AC_CANONICAL_SYSTEM 51AC_ARG_PROGRAM 52 53te_file=generic 54 55canon_targets="" 56if test -n "$enable_targets" ; then 57 for t in `echo $enable_targets | sed 's/,/ /g'`; do 58 result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $t 2>/dev/null` 59 if test -n "$result" ; then 60 canon_targets="$canon_targets $result" 61# else 62# # Permit "all", etc. We don't support it yet though. 63# canon_targets="$canon_targets $t" 64 fi 65 done 66 GAS_UNIQ(canon_targets) 67fi 68 69emulations="" 70 71for this_target in $target $canon_targets ; do 72 73changequote(,)dnl 74 eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'` 75changequote([,])dnl 76 77 # check for architecture variants 78 case ${cpu} in 79 armeb) cpu_type=arm endian=big ;; 80 arm*) cpu_type=arm endian=little ;; 81 hppa*) cpu_type=hppa ;; 82changequote(,)dnl 83 i[456]86) cpu_type=i386 ;; 84 m680[012346]0) cpu_type=m68k ;; 85 m68008) cpu_type=m68k ;; 86 m683??) cpu_type=m68k ;; 87changequote([,])dnl 88 m8*) cpu_type=m88k ;; 89 mips*el) cpu_type=mips endian=little ;; 90 mips*) cpu_type=mips endian=big ;; 91 powerpcle*) cpu_type=ppc endian=little ;; 92 powerpc*) cpu_type=ppc endian=big ;; 93 rs6000*) cpu_type=ppc ;; 94 sparc64) cpu_type=sparc want_sparc_v9=true ;; 95 sparc*) cpu_type=sparc ;; 96 *) cpu_type=${cpu} ;; 97 esac 98 99 if test ${this_target} = $target ; then 100 target_cpu_type=${cpu_type} 101 elif test ${target_cpu_type} != ${cpu_type} ; then 102 continue 103 fi 104 105 targ=${cpu_type} 106 generic_target=${cpu_type}-$vendor-$os 107 dev=no 108 bfd_gas=no 109 em=generic 110 111 # assign object format 112 case ${generic_target} in 113 a29k-*-coff) fmt=coff targ=ebmon29k ;; 114 a29k-amd-udi) fmt=coff targ=ebmon29k ;; 115 a29k-amd-ebmon) fmt=coff targ=ebmon29k ;; 116 a29k-nyu-sym1) fmt=coff targ=ebmon29k ;; 117 a29k-*-vxworks*) fmt=coff ;; 118 119 alpha-*-*vms*) fmt=evax ;; 120 alpha-*-netware*) fmt=ecoff ;; 121 alpha-*-openbsd*) fmt=ecoff ;; 122 alpha-*-osf*) fmt=ecoff ;; 123 alpha-*-linuxecoff*) fmt=ecoff ;; 124 alpha-*-linux*) fmt=elf em=linux ;; 125 126 127 arm-*-riscix*) fmt=aout targ=arm-lit em=riscix ;; 128 arm-*-aout) fmt=aout 129 case "$endian" in 130 big) targ=arm-big ;; 131 *) targ=arm-lit ;; 132 esac 133 ;; 134 arm-*-coff) fmt=coff ;; 135 arm-*-riscix*) fmt=aout ;; 136 arm-*-pe) fmt=coff targ=armcoff em=pe ;; 137 138 d10v-*-*) fmt=elf bfd_gas=yes ;; 139 140 hppa-*-*elf*) fmt=elf em=hppa ;; 141 hppa-*-lites*) fmt=elf em=hppa ;; 142 hppa-*-osf*) fmt=som em=hppa ;; 143 hppa-*-rtems*) fmt=elf em=hppa ;; 144 hppa-*-hpux*) fmt=som em=hppa ;; 145 hppa-*-bsd*) fmt=som em=hppa ;; 146 hppa-*-hiux*) fmt=som em=hppa ;; 147 148 h8300-*-coff) fmt=coff ;; 149 150 i386-ibm-aix*) fmt=coff targ=i386coff 151 em=i386aix ;; 152 i386-sequent-bsd*) fmt=aout em=dynix bfd_gas=yes ;; 153 i386-*-bsd*) fmt=aout em=386bsd ;; 154 i386-*-netbsd0.8) fmt=aout em=386bsd ;; 155 i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;; 156 i386-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes;; 157 i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;; 158 i386-*-linux*coff*) fmt=coff em=linux 159 targ=i386coff ;; 160 i386-*-linux*) fmt=elf em=linux ;; 161 i386-*-lynxos*) fmt=coff targ=i386coff 162 em=lynx ;; 163 i386-*-sysv4* | i386-*-solaris* | i386-*-elf | i386-*-freebsdelf*) 164 fmt=elf ;; 165 i386-*-sco*elf*) fmt=elf targ=sco5 ;; 166 i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*) 167 fmt=coff targ=i386coff ;; 168 i386-*-vsta) fmt=aout ;; 169 i386-*-go32) fmt=coff targ=i386coff ;; 170 i386-*-rtems*) fmt=coff targ=i386coff ;; 171 i386-*-gnu*) fmt=elf ;; 172 i386-*-mach*) 173 fmt=aout em=mach bfd_gas=yes ;; 174 i386-*-msdos*) fmt=aout ;; 175 i386-*-moss*) fmt=elf ;; 176 i386-*-pe) fmt=coff targ=i386coff em=pe ;; 177 i386-*-cygwin32) fmt=coff targ=i386coff em=pe ;; 178 i386-*-*nt) fmt=coff targ=i386coff em=pe ;; 179 i960-*-bout) fmt=bout ;; 180 i960-*-coff) fmt=coff em=ic960 targ=ic960coff ;; 181 i960-*-rtems*) fmt=coff em=ic960 targ=ic960coff ;; 182 i960-*-nindy*) fmt=bout ;; 183 i960-*-vxworks4*) fmt=bout ;; 184 i960-*-vxworks5.0) fmt=bout ;; 185 i960-*-vxworks5.*) fmt=coff em=ic960 targ=ic960coff ;; 186 i960-*-vxworks*) fmt=bout ;; 187 188 m32r-*-*) fmt=elf bfd_gas=yes ;; 189 190 m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*) 191 fmt=aout em=sun3 ;; 192 m68k-motorola-sysv*) fmt=coff targ=m68kcoff em=delta ;; 193 m68k-bull-sysv3*) fmt=coff targ=m68kcoff em=dpx2 ;; 194 m68k-apollo-*) fmt=coff targ=apollo em=apollo ;; 195 m68k-*-sysv4*) # must be before -sysv* 196 fmt=elf em=svr4 ;; 197 m68k-*-elf*) fmt=elf ;; 198 m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*) 199 fmt=coff targ=m68kcoff ;; 200 m68k-*-hpux*) fmt=hp300 em=hp300 ;; 201 m68k-*-linux*aout*) fmt=aout em=linux ;; 202 m68k-*-linux*) fmt=elf em=linux ;; 203 m68k-*-lynxos*) fmt=coff targ=m68kcoff 204 em=lynx ;; 205 m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 206 m68k-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 207 m68k-apple-aux*) fmt=coff targ=m68kcoff em=aux ;; 208 m68k-*-psos*) fmt=elf em=psos;; 209 210 m88k-motorola-sysv3*) fmt=coff targ=m88kcoff em=delt88 ;; 211 m88k-*-coff*) fmt=coff targ=m88kcoff ;; 212 213 # don't change em like *-*-bsd does 214 mips-dec-netbsd*) fmt=elf targ=mips-lit endian=little ;; 215 mips-dec-openbsd*) fmt=elf targ=mips-lit endian=little ;; 216 mips-dec-bsd*) fmt=aout targ=mips-lit ;; 217 mips-sony-bsd*) fmt=ecoff targ=mips-big ;; 218 mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;; 219 mips-*-ultrix*) fmt=ecoff targ=mips-lit endian=little ;; 220 mips-*-osf*) fmt=ecoff targ=mips-lit endian=little ;; 221 mips-*-ecoff*) fmt=ecoff 222 case "$endian" in 223 big) targ=mips-big ;; 224 *) targ=mips-lit ;; 225 esac 226 ;; 227 mips-*-ecoff*) fmt=ecoff targ=mips-big ;; 228 mips-*-irix6*) fmt=elf targ=mips-big ;; 229 mips-*-irix5*) fmt=elf targ=mips-big ;; 230 mips-*-irix*) fmt=ecoff targ=mips-big ;; 231 mips-*-lnews*) fmt=ecoff targ=mips-lit em=lnews ;; 232 mips-*-riscos*) fmt=ecoff targ=mips-big ;; 233 mips-*-sysv*) fmt=ecoff targ=mips-big ;; 234 mips-*-elf* | mips-*-rtems* | mips-*-linux* | mips-*-gnu* | mips-*-openbsd*) 235 fmt=elf 236 case "$endian" in 237 big) targ=mips-big ;; 238 *) targ=mips-lit ;; 239 esac 240 ;; 241 mn10200-*-*) fmt=elf bfd_gas=yes ;; 242 mn10300-*-*) fmt=elf bfd_gas=yes ;; 243 ppc-*-pe | ppc-*-cygwin32 | ppc-*-winnt*) 244 fmt=coff em=pe 245 case "$endian" in 246 big) targ=ppc-big ;; 247 *) targ=ppc-lit ;; 248 esac 249 ;; 250 ppc-*-aix*) fmt=coff ;; 251 ppc-*-beos*) fmt=coff ;; 252 ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*) 253 fmt=elf 254 case "$endian" in 255 big) targ=ppc-big ;; 256 *) targ=ppc-lit ;; 257 esac 258 ;; 259 ppc-*-linux*) fmt=elf 260 case "$endian" in 261 big) targ=ppc-big ;; 262 *) AC_MSG_ERROR(Linux must be configured big endian) ;; 263 esac 264 ;; 265 ppc-*-solaris*) fmt=elf 266 case "$endian" in 267 big) AC_MSG_ERROR(Solaris must be configured little endian) ;; 268 *) targ=ppc-sol ;; 269 esac 270 ;; 271 ppc-*-rtems*) 272 fmt=elf 273 case "$endian" in 274 big) targ=ppc-big ;; 275 *) targ=ppc-lit ;; 276 esac 277 ;; 278 ppc-*-macos* | ppc-*-mpw*) 279 fmt=coff em=macos ;; 280 ppc-*-netware*) fmt=elf em=ppcnw ;; 281 282 sh-*-elf*) fmt=elf ;; 283 sh-*-coff*) fmt=coff ;; 284 285 ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;; 286 ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;; 287 ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;; 288 289 sparc-*-rtems*) fmt=aout ;; 290 sparc-*-sunos4*) fmt=aout em=sun3 ;; 291 sparc-*-aout | sparc*-*-vxworks*) 292 fmt=aout em=sparcaout ;; 293 sparc-*-coff) fmt=coff ;; 294 sparc-*-linux*aout*) fmt=aout em=linux ;; 295 sparc-*-linux*) fmt=elf em=linux ;; 296 sparc-*-lynxos*) fmt=coff em=lynx ;; 297 sparc-fujitsu-none) fmt=aout ;; 298 sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*) 299 fmt=elf ;; 300 sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 301 sparc-*-openbsd*) fmt=aout em=nbsd bfd_gas=yes ;; 302 303 vax-*-bsd* | vax-*-ultrix*) 304 fmt=aout ;; 305 vax-*-vms) fmt=vms ;; 306 307 z8k-*-coff | z8k-*-sim) 308 fmt=coff ;; 309 310 w65-*-*) fmt=coff ;; 311 312 *-*-aout | *-*-scout) 313 fmt=aout ;; 314 *-*-nindy*) 315 fmt=bout ;; 316 *-*-bsd*) 317 fmt=aout em=sun3 ;; 318 *-*-generic) fmt=generic ;; 319 *-*-xray | *-*-hms) fmt=coff ;; 320 *-*-sim) fmt=coff ;; 321 *-*-elf | *-*-sysv4* | *-*-solaris*) 322 AC_MSG_WARN(GAS support for ${generic_target} is incomplete.) 323 fmt=elf dev=yes ;; 324 *-*-vxworks) fmt=aout ;; 325 *-*-netware) fmt=elf ;; 326 esac 327 328 case ${cpu_type}-${fmt} in 329 alpha-*) bfd_gas=yes ;; 330 arm-*) bfd_gas=yes ;; 331 # not yet 332 # i386-aout) bfd_gas=preferred ;; 333 mips-*) bfd_gas=yes ;; 334 ns32k-*) bfd_gas=yes ;; 335 ppc-*) bfd_gas=yes ;; 336 sparc-*) bfd_gas=yes ;; 337 *-elf) bfd_gas=yes ;; 338 *-ecoff) bfd_gas=yes ;; 339 *-som) bfd_gas=yes ;; 340 *) ;; 341 esac 342 343# Other random stuff. 344 345 # do we need the opcodes library? 346 case ${cpu_type} in 347 vax | i386) 348 ;; 349 *) 350 need_opcodes=yes 351 if test "${shared_opcodes}" = "true"; then 352 # A shared libopcodes must be linked against libbfd. 353 need_bfd=yes 354 fi 355 ;; 356 esac 357 358 test -n "$want_sparc_v9" && AC_DEFINE(SPARC_V9) 359 360 case ${cpu}-${vendor}-${os} in 361 sparc64-*-elf*) AC_DEFINE(SPARC_ARCH64) ;; 362 esac 363 364 case ${cpu_type} in 365 m32r) 366 case ${extra_objects} in 367 *cgen.o*) ;; 368 *) extra_objects="$extra_objects cgen.o" 369 AC_DEFINE(USING_CGEN) 370 ;; 371 esac 372 ;; 373 374 m68k) 375 case ${extra_objects} in 376 *m68k-parse.o*) ;; 377 *) extra_objects="$extra_objects m68k-parse.o" ;; 378 esac 379 ;; 380 381 mips) 382 echo ${extra_objects} | grep -s "itbl-parse.o" 383 if test $? -ne 0 ; then 384 extra_objects="$extra_objects itbl-parse.o" 385 fi 386 387 echo ${extra_objects} | grep -s "itbl-lex.o" 388 if test $? -ne 0 ; then 389 extra_objects="$extra_objects itbl-lex.o" 390 fi 391 392 echo ${extra_objects} | grep -s "itbl-ops.o" 393 if test $? -ne 0 ; then 394 extra_objects="$extra_objects itbl-ops.o" 395 fi 396 ;; 397 398 *) 399 ;; 400 esac 401 402# See if we really can support this configuration with the emulation code. 403 404 if test $this_target = $target ; then 405 primary_bfd_gas=$bfd_gas 406 obj_format=$fmt 407 gas_target=$targ 408 te_file=$em 409 410 if test $bfd_gas = no ; then 411 # Can't support other configurations this way. 412 break 413 fi 414 elif test $bfd_gas = no ; then 415 # Can't support this configuration. 416 break 417 fi 418 419# From target name and format, produce a list of supported emulations. 420 421 case ${generic_target}-${fmt} in 422 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; 423 mips-*-linux*-*) case "$endian" in 424 big) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; 425 *) emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;; 426 esac ;; 427 mips-*-lnews*-ecoff) ;; 428 mips-*-*-ecoff) case "$endian" in 429 big) emulation="mipsbecoff mipslecoff mipsecoff" ;; 430 *) emulation="mipslecoff mipsbecoff mipsecoff" ;; 431 esac ;; 432 mips-*-*-elf) case "$endian" in 433 big) emulation="mipsbelf mipslelf mipself" ;; 434 *) emulation="mipslelf mipsbelf mipself" ;; 435 # Uncommenting the next line will turn on support for i386 COFF 436 # in any i386 ELF configuration. This probably doesn't work 437 # correctly. 438 # i386-*-*-elf) emulation="i386coff i386elf" ;; 439 esac ;; 440 esac 441 442 emulations="$emulations $emulation" 443 444done 445 446# Assign floating point type. Most processors with FP support 447# IEEE FP. On those that don't support FP at all, usually IEEE 448# is emulated. 449case ${target_cpu} in 450 vax | tahoe ) atof=${target_cpu} ;; 451 *) atof=ieee ;; 452esac 453 454case "${obj_format}" in 455 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;; 456esac 457 458dnl 459dnl Make sure the desired support files exist. 460dnl 461 462if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then 463 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) 464fi 465 466if test ! -r ${srcdir}/config/obj-${obj_format}.c; then 467 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) 468fi 469 470# and target makefile frag 471 472target_frag=${srcdir}/config/${gas_target}.mt 473if test ! -r ${target_frag}; then 474 target_frag=/dev/null # ick! but subst_file can't be conditionalized 475fi 476AC_SUBST_FILE(target_frag) 477 478case ${user_bfd_gas}-${primary_bfd_gas} in 479 yes-yes | no-no) 480 # We didn't override user's choice. 481 ;; 482 no-yes) 483 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.) 484 ;; 485 no-preferred) 486 primary_bfd_gas=no 487 ;; 488 *-preferred) 489 primary_bfd_gas=yes 490 ;; 491 yes-*) 492 primary_bfd_gas=yes 493 ;; 494 -*) 495 # User specified nothing. 496 ;; 497esac 498 499# Some COFF configurations want these random other flags set. 500case ${obj_format} in 501 coff) 502 case ${target_cpu_type} in 503 i386) AC_DEFINE(I386COFF) ;; 504 m68k) AC_DEFINE(M68KCOFF) ;; 505 m88k) AC_DEFINE(M88KCOFF) ;; 506 esac 507 ;; 508esac 509 510# Getting this done right is going to be a bitch. Each configuration specified 511# with --enable-targets=... should be checked for environment, format, cpu, and 512# bfd_gas setting. 513# 514# For each configuration, the necessary object file support code must be linked 515# in. This might be only one, it might be up to four. The necessary emulation 516# code needs to be provided, too. 517# 518# And then there's "--enable-targets=all".... 519# 520# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh. 521 522formats="${obj_format}" 523emfiles="" 524EMULATIONS="" 525GAS_UNIQ(emulations) 526for em in . $emulations ; do 527 case $em in 528 .) continue ;; 529 mipsbelf | mipslelf) 530 fmt=elf file=mipself ;; 531 mipsbecoff | mipslecoff) 532 fmt=ecoff file=mipsecoff ;; 533 i386coff) 534 fmt=coff file=i386coff ;; 535 i386elf) 536 fmt=elf file=i386elf ;; 537 esac 538 formats="$formats $fmt" 539 emfiles="$emfiles e-$file.o" 540 EMULATIONS="$EMULATIONS &$em," 541done 542GAS_UNIQ(formats) 543GAS_UNIQ(emfiles) 544if test `set . $formats ; shift ; echo $#` -gt 1 ; then 545 for fmt in $formats ; do 546 case $fmt in 547 aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;; 548 bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;; 549 coff) AC_DEFINE(OBJ_MAYBE_COFF) ;; 550 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;; 551 elf) AC_DEFINE(OBJ_MAYBE_ELF) ;; 552 generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;; 553 hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;; 554 ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;; 555 som) AC_DEFINE(OBJ_MAYBE_SOM) ;; 556 vms) AC_DEFINE(OBJ_MAYBE_VMS) ;; 557 esac 558 extra_objects="$extra_objects obj-$fmt.o" 559 done 560 obj_format=multi 561fi 562if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then 563 te_file=multi 564 extra_objects="$extra_objects $emfiles" 565 DEFAULT_EMULATION=`set . $emulations ; echo $2` 566 AC_DEFINE(USE_EMULATIONS) 567fi 568AC_SUBST(extra_objects) 569AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS) 570AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION") 571 572case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in 573 yes-*-coff) need_bfd=yes ;; 574 no-*-coff) need_bfd=yes 575 AC_DEFINE(MANY_SEGMENTS) ;; 576esac 577 578reject_dev_configs=yes 579 580case ${reject_dev_configs}-${dev} in 581 yes-yes) # Oops. 582 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) 583 ;; 584esac 585 586AC_SUBST(target_cpu_type) 587AC_SUBST(obj_format) 588AC_SUBST(te_file) 589AC_SUBST(atof) 590dnl AC_SUBST(emulation) 591 592case "${primary_bfd_gas}" in 593 yes) AC_DEFINE(BFD_ASSEMBLER) 594 need_bfd=yes ;; 595esac 596 597# do we need the opcodes library? 598case "${need_opcodes}" in 599yes) 600 OPCODES_DEP=../opcodes/libopcodes.a 601 OPCODES_LIB='-L../opcodes -lopcodes' 602 603 # We need to handle some special cases for shared libraries. 604 case "${host}" in 605 *-*-sunos*) 606 # On SunOS, we must link against the name we are going to install, 607 # not -lbfd, since SunOS does not support SONAME. 608 if test "${shared_opcodes}" = "true"; then 609 OPCODES_LIB='-L../opcodes -l`echo opcodes | sed '"'"'$(program_transform_name)'"'"'`' 610 fi 611 ;; 612 alpha*-*-osf*) 613 # On Alpha OSF/1, the native linker searches all the -L 614 # directories for any LIB.so files, and only then searches for any 615 # LIB.a files. That means that if there is an installed 616 # libbfd.so, but this build is not done with --enable-shared, the 617 # link will wind up being against the install libbfd.so rather 618 # than the newly built libbfd. To avoid this, we must explicitly 619 # link against libbfd.a when --enable-shared is not used. 620 if test "${shared_opcodes}" != "true"; then 621 OPCODES_LIB='../opcodes/libopcodes.a' 622 fi 623 ;; 624 esac 625 ;; 626esac 627 628case "${need_bfd}" in 629yes) 630 BFDDEP=../bfd/libbfd.a 631 BFDLIB='-L../bfd -lbfd' 632 ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h" 633 634 # We need to handle some special cases for shared libraries 635 case "${host}" in 636 *-*-sunos*) 637 # On SunOS, we must link against the name we are going to install, 638 # not -lbfd, since SunOS does not support SONAME. 639 if test "${shared_bfd}" = "true"; then 640 BFDLIB='-L../bfd -l`echo bfd | sed '"'"'$(program_transform_name)'"'"'`' 641 fi 642 ;; 643 alpha*-*-osf*) 644 # On Alpha OSF/1, the native linker searches all the -L 645 # directories for any LIB.so files, and only then searches for any 646 # LIB.a files. That means that if there is an installed 647 # libbfd.so, but this build is not done with --enable-shared, the 648 # link will wind up being against the install libbfd.so rather 649 # than the newly built libbfd. To avoid this, we must explicitly 650 # link against libbfd.a when --enable-shared is not used. 651 if test "${shared_bfd}" != "true"; then 652 BFDLIB='../bfd/libbfd.a' 653 fi 654 ;; 655 esac 656 657 if test "${commonbfdlib}" = "true"; then 658 # when a shared libbfd is built with --enable-commonbfdlib, 659 # all of libopcodes is available in libbfd.so 660 OPCODES_LIB= 661 fi 662 ;; 663esac 664 665AC_SUBST(BFDDEP) 666AC_SUBST(BFDLIB) 667AC_SUBST(OPCODES_DEP) 668AC_SUBST(OPCODES_LIB) 669 670AC_SUBST(ALL_OBJ_DEPS) 671 672AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}") 673AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}") 674AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}") 675AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}") 676AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}") 677 678AC_PROG_CC 679AC_PROG_INSTALL 680 681AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h) 682 683# Put this here so that autoconf's "cross-compiling" message doesn't confuse 684# people who are not cross-compiling but are compiling cross-assemblers. 685AC_MSG_CHECKING(whether compiling a cross-assembler) 686if test "${host}" = "${target}"; then 687 cross_gas=no 688else 689 cross_gas=yes 690 AC_DEFINE(CROSS_COMPILE) 691fi 692AC_MSG_RESULT($cross_gas) 693 694dnl ansidecl.h will deal with const 695dnl AC_CONST 696AC_FUNC_ALLOCA 697AC_C_INLINE 698 699# VMS doesn't have unlink. 700AC_CHECK_FUNCS(unlink remove, break) 701 702# Some systems don't have sbrk(). 703AC_CHECK_FUNCS(sbrk) 704 705# Some non-ANSI preprocessors botch requoting inside strings. That's bad 706# enough, but on some of those systems, the assert macro relies on requoting 707# working properly! 708GAS_WORKING_ASSERT 709 710# On some systems, the system header files may not declare malloc, realloc, 711# and free. There are places where gas needs these functions to have been 712# declared -- such as when taking their addresses. 713gas_test_headers=" 714#ifdef HAVE_MEMORY_H 715#include <memory.h> 716#endif 717#ifdef HAVE_STRING_H 718#include <string.h> 719#else 720#ifdef HAVE_STRINGS_H 721#include <strings.h> 722#endif 723#endif 724#ifdef HAVE_STDLIB_H 725#include <stdlib.h> 726#endif 727#ifdef HAVE_UNISTD_H 728#include <unistd.h> 729#endif 730" 731GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers) 732GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) 733GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) 734GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers) 735 736# Does errno.h declare errno, or do we have to add a separate declaration 737# for it? 738GAS_CHECK_DECL_NEEDED(errno, f, int f, [ 739#ifdef HAVE_ERRNO_H 740#include <errno.h> 741#endif 742]) 743 744HLDFLAGS= 745HLDENV= 746RPATH_ENVVAR=LD_LIBRARY_PATH 747# If we have shared libraries, try to set rpath reasonably. 748if test "${shared}" = "true"; then 749 case "${host}" in 750 *-*-hpux*) 751 HLDFLAGS='-Wl,+s,+b,$(libdir)' 752 RPATH_ENVVAR=SHLIB_PATH 753 ;; 754 *-*-irix5* | *-*-irix6*) 755 HLDFLAGS='-Wl,-rpath,$(libdir)' 756 ;; 757 *-*-linux*aout*) 758 ;; 759 *-*-linux*) 760 HLDFLAGS='-Wl,-rpath,$(libdir)' 761 ;; 762 *-*-solaris*) 763 HLDFLAGS='-R $(libdir)' 764 ;; 765 *-*-sysv4*) 766 HLDENV='if test -z "$${LD_RUN_PATH}"; then LD_RUN_PATH=$(libdir); else LD_RUN_PATH=$${LD_RUN_PATH}:$(libdir); fi; export LD_RUN_PATH;' 767 ;; 768 esac 769fi 770 771# On SunOS, if the linker supports the -rpath option, use it to 772# prevent ../bfd and ../opcodes from being included in the run time 773# search path. 774case "${host}" in 775 *-*-sunos*) 776 echo 'main () { }' > conftest.c 777 ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t 778 if grep 'unrecognized' conftest.t >/dev/null 2>&1; then 779 : 780 elif grep 'No such file' conftest.t >/dev/null 2>&1; then 781 : 782 elif grep 'do not mix' conftest.t >/dev/null 2>&1; then 783 : 784 elif test "${shared}" = "true"; then 785 HLDFLAGS='-Wl,-rpath=$(libdir)' 786 else 787 HLDFLAGS='-Wl,-rpath=' 788 fi 789 rm -f conftest.t conftest.c conftest 790 ;; 791esac 792AC_SUBST(HLDFLAGS) 793AC_SUBST(HLDENV) 794AC_SUBST(RPATH_ENVVAR) 795 796dnl This must come last. 797 798dnl We used to make symlinks to files in the source directory, but now 799dnl we just use the right name for .c files, and create .h files in 800dnl the build directory which include the right .h file. Make sure 801dnl the old symlinks don't exist, so that a reconfigure in an existing 802dnl directory behaves reasonably. 803 804AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in, 805[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h 806 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h 807 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h 808 echo '#include "te-'"${te_file}"'.h"' > targ-env.h 809 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h 810 case ${target_cpu_type} in 811 m32r) echo '#include "opcodes/'"${target_cpu_type}"'-opc.h"' > cgen-opc.h ;; 812 esac], 813[target_cpu_type=${target_cpu_type} 814 obj_format=${obj_format} 815 te_file=${te_file}]) 816