| 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 |
| 7 | AC_PREREQ(2.3)dnl We only need 2.0, but pre-2.3 loses on some AIX version. |
| 8 | AC_INIT(as.h)dnl |
| 9 | dnl |
| 10 | user_bfd_gas= |
| 11 | AC_ARG_ENABLE(bfd-assembler, |
| 12 | [ 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 ${enableval} given for bfd-assembler option) ;; |
| 17 | esac])dnl |
| 18 | AC_ARG_ENABLE(targets, |
| 19 | [ targets alternative target configurations besides the primary], |
| 20 | [case "${enableval}" in |
| 21 | yes | "") AC_ERROR(enable-targets option must specify target names or 'all') |
| 22 | ;; |
| 23 | no) enable_targets= ;; |
| 24 | *) enable_targets=$enableval ;; |
| 25 | esac])dnl |
| 26 | |
| 27 | # Generate a header file -- gets more post-processing by Makefile later. |
| 28 | AC_CONFIG_HEADER(conf) |
| 29 | |
| 30 | dnl For recursion to work right, this must be an absolute pathname. |
| 31 | AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) |
| 32 | AC_CANONICAL_SYSTEM |
| 33 | AC_ARG_PROGRAM |
| 34 | |
| 35 | te_file=generic |
| 36 | |
| 37 | # assign cpu type |
| 38 | |
| 39 | # check for architecture variants |
| 40 | case ${target_cpu} in |
| 41 | armeb) cpu_type=arm endian=big ;; |
| 42 | arm*) cpu_type=arm endian=little ;; |
| 43 | hppa*) cpu_type=hppa ;; |
| 44 | changequote(,)dnl |
| 45 | i[45]86) cpu_type=i386 ;; |
| 46 | m680[012346]0) cpu_type=m68k ;; |
| 47 | m68008) cpu_type=m68k ;; |
| 48 | m683??) cpu_type=m68k ;; |
| 49 | changequote([,])dnl |
| 50 | m8*) cpu_type=m88k ;; |
| 51 | mips*el) cpu_type=mips endian=little;; |
| 52 | mips*) cpu_type=mips endian=big ;; |
| 53 | powerpcle*) cpu_type=ppc endian=little ;; |
| 54 | powerpc*) cpu_type=ppc endian=big ;; |
| 55 | rs6000*) cpu_type=ppc ;; |
| 56 | sparc64) cpu_type=sparc obj_format=elf |
| 57 | AC_DEFINE(sparcv9) ;; |
| 58 | sparclite*) cpu_type=sparc ;; |
| 59 | *) cpu_type=${target_cpu} ;; |
| 60 | esac |
| 61 | |
| 62 | # do we need the opcodes library? |
| 63 | case ${cpu_type} in |
| 64 | alpha | vax) |
| 65 | ;; |
| 66 | *) |
| 67 | OPCODES_LIB="../opcodes/libopcodes.a" |
| 68 | ;; |
| 69 | esac |
| 70 | AC_SUBST(OPCODES_LIB) |
| 71 | |
| 72 | gas_target=${cpu_type} |
| 73 | this_target=${generic_target} |
| 74 | |
| 75 | canon_targets="" |
| 76 | if test -n "$enable_targets" ; then |
| 77 | for t in `echo $enable_targets | sed 's/,/ /g'`; do |
| 78 | result=`$ac_config_sub $t 2>/dev/null` |
| 79 | if test -n "$result" ; then |
| 80 | canon_targets="$canon_targets $result" |
| 81 | # else |
| 82 | # # Permit "all", etc. We don't support it yet though. |
| 83 | # canon_targets="$canon_targets $t" |
| 84 | fi |
| 85 | done |
| 86 | GAS_UNIQ(canon_targets) |
| 87 | fi |
| 88 | |
| 89 | emulations="" |
| 90 | |
| 91 | for this_target in $target $canon_targets ; do |
| 92 | |
| 93 | eval `echo $this_target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'` |
| 94 | |
| 95 | # check for architecture variants |
| 96 | case ${cpu} in |
| 97 | hppa*) cpu_type=hppa ;; |
| 98 | changequote(,)dnl |
| 99 | i[45]86) cpu_type=i386 ;; |
| 100 | m680[012346]0) cpu_type=m68k ;; |
| 101 | m68008) cpu_type=m68k ;; |
| 102 | m683??) cpu_type=m68k ;; |
| 103 | changequote([,])dnl |
| 104 | m8*) cpu_type=m88k ;; |
| 105 | mips*el) cpu_type=mips endian=little;; |
| 106 | mips*) cpu_type=mips endian=big ;; |
| 107 | powerpcle*) cpu_type=ppc endian=little ;; |
| 108 | powerpc*) cpu_type=ppc endian=big ;; |
| 109 | rs6000*) cpu_type=ppc ;; |
| 110 | sparc64) cpu_type=sparc obj_format=elf want_sparcv9=true ;; |
| 111 | sparclite*) cpu_type=sparc ;; |
| 112 | *) cpu_type=${cpu} ;; |
| 113 | esac |
| 114 | |
| 115 | if test ${this_target} = $target ; then |
| 116 | target_cpu_type=${cpu_type} |
| 117 | elif test ${target_cpu_type} != ${cpu_type} ; then |
| 118 | continue |
| 119 | fi |
| 120 | |
| 121 | targ=${cpu_type} |
| 122 | generic_target=${cpu_type}-$vendor-$os |
| 123 | dev=no |
| 124 | bfd_gas=no |
| 125 | em=generic |
| 126 | |
| 127 | # assign object format |
| 128 | case ${generic_target} in |
| 129 | a29k-amd-udi) fmt=coff targ=ebmon29k ;; |
| 130 | a29k-amd-ebmon) fmt=coff targ=ebmon29k ;; |
| 131 | a29k-*-vxworks*) fmt=coff ;; |
| 132 | |
| 133 | alpha-*-netware*) fmt=ecoff ;; |
| 134 | alpha-*-osf*) fmt=ecoff ;; |
| 135 | |
| 136 | # start-sanitize-arc |
| 137 | arc-*-elf*) fmt=elf bfd_gas=yes ;; |
| 138 | # end-sanitize-arc |
| 139 | |
| 140 | arm-*-riscix*) fmt=aout targ=arm-lit ;; |
| 141 | arm-*-aout) fmt=aout |
| 142 | case "$endian" in |
| 143 | big) targ=arm-big ;; |
| 144 | *) targ=arm-lit ;; |
| 145 | esac |
| 146 | ;; |
| 147 | arm-*-riscix*) fmt=aout ;; |
| 148 | arm-*-pe) fmt=coff targ=armcoff em=pe ;; |
| 149 | |
| 150 | hppa-*-*elf*) fmt=elf em=hppa ;; |
| 151 | hppa-*-lites*) fmt=elf em=hppa ;; |
| 152 | hppa-*-osf*) fmt=som em=hppa ;; |
| 153 | hppa-*-hpux*) fmt=som em=hppa ;; |
| 154 | hppa-*-bsd*) fmt=som em=hppa ;; |
| 155 | hppa-*-hiux*) fmt=som em=hppa ;; |
| 156 | |
| 157 | h8300-*-coff) fmt=coff ;; |
| 158 | |
| 159 | i386-ibm-aix*) fmt=coff targ=i386coff |
| 160 | em=i386aix ;; |
| 161 | i386-*-bsd*) fmt=aout em=386bsd ;; |
| 162 | i386-*-netbsd0.8) fmt=aout em=386bsd ;; |
| 163 | i386-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes;; |
| 164 | i386-*-linux*aout* | i386-*-linuxoldld) fmt=aout em=linux ;; |
| 165 | i386-*-linux*coff*) fmt=coff em=linux |
| 166 | targ=i386coff ;; |
| 167 | i386-*-linux*) fmt=elf em=linux ;; |
| 168 | i386-*-lynxos*) fmt=coff targ=i386coff |
| 169 | em=lynx ;; |
| 170 | i386-*-sysv4* | i386-*-solaris* | i386-*-elf) |
| 171 | fmt=elf ;; |
| 172 | i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*) |
| 173 | fmt=coff targ=i386coff ;; |
| 174 | i386-*-vsta) fmt=aout ;; |
| 175 | i386-*-go32) fmt=coff targ=i386coff ;; |
| 176 | i386-*-gnu*) fmt=elf ;; |
| 177 | i386-*-mach*) |
| 178 | fmt=aout em=mach bfd_gas=yes ;; |
| 179 | i386-*-msdos*) fmt=aout ;; |
| 180 | i386-*-moss*) fmt=elf ;; |
| 181 | i386-*-pe) fmt=coff targ=i386coff em=pe ;; |
| 182 | i386-*-win32) fmt=coff targ=i386coff em=pe ;; |
| 183 | i386-*-*nt) fmt=coff targ=i386coff em=pe ;; |
| 184 | i960-*-bout) fmt=bout ;; |
| 185 | i960-*-coff) fmt=coff em=ic960 targ=ic960coff ;; |
| 186 | i960-*-nindy*) fmt=bout ;; |
| 187 | i960-*-vxworks4*) fmt=bout ;; |
| 188 | i960-*-vxworks5.0) fmt=bout ;; |
| 189 | i960-*-vxworks5.*) fmt=coff em=ic960 targ=ic960coff ;; |
| 190 | i960-*-vxworks*) fmt=bout ;; |
| 191 | |
| 192 | m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*) |
| 193 | fmt=aout em=sun3 ;; |
| 194 | m68k-motorola-sysv) fmt=coff targ=m68kcoff em=delta ;; |
| 195 | m68k-bull-sysv3*) fmt=coff targ=m68kcoff em=dpx2 ;; |
| 196 | m68k-apollo-*) fmt=coff targ=apollo em=apollo ;; |
| 197 | m68k-*-coff | m68k-*-sysv*) |
| 198 | fmt=coff targ=m68kcoff ;; |
| 199 | m68k-*-elf) fmt=elf ;; |
| 200 | m68k-*-hpux*) fmt=hp300 em=hp300 ;; |
| 201 | m68k-*-lynxos*) fmt=coff targ=m68kcoff |
| 202 | em=lynx ;; |
| 203 | m68k-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; |
| 204 | |
| 205 | m88k-*-coff*) fmt=coff targ=m88kcoff ;; |
| 206 | |
| 207 | # don't change em like *-*-bsd does |
| 208 | mips-dec-bsd*) fmt=aout targ=mips-lit ;; |
| 209 | mips-sony-bsd*) fmt=ecoff targ=mips-big ;; |
| 210 | mips-*-bsd*) AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;; |
| 211 | mips-*-ultrix*) fmt=ecoff targ=mips-lit ;; |
| 212 | mips-*-ecoff*) fmt=ecoff |
| 213 | case "$endian" in |
| 214 | big) targ=mips-big ;; |
| 215 | *) targ=mips-lit ;; |
| 216 | esac |
| 217 | ;; |
| 218 | mips-*-ecoff*) fmt=ecoff targ=mips-big ;; |
| 219 | mips-*-gnu*) fmt=aout |
| 220 | case "$endian" in |
| 221 | big) targ=mips-big ;; |
| 222 | *) targ=mips-lit ;; |
| 223 | esac |
| 224 | ;; |
| 225 | mips-*-irix5*) fmt=elf targ=mips-big ;; |
| 226 | mips-*-irix*) fmt=ecoff targ=mips-big ;; |
| 227 | mips-*-riscos*) fmt=ecoff targ=mips-big ;; |
| 228 | mips-*-sysv*) fmt=ecoff targ=mips-big ;; |
| 229 | mips-*-elf*) fmt=elf |
| 230 | case "$endian" in |
| 231 | big) targ=mips-big ;; |
| 232 | *) targ=mips-lit ;; |
| 233 | esac |
| 234 | ;; |
| 235 | ppc-*-aix*) fmt=coff ;; |
| 236 | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*) |
| 237 | fmt=elf |
| 238 | case "$endian" in |
| 239 | big) targ=ppc-big ;; |
| 240 | *) targ=ppc-lit ;; |
| 241 | esac |
| 242 | ;; |
| 243 | ppc-*-netware*) fmt=elf em=ppcnw ;; |
| 244 | |
| 245 | sh-*-coff) fmt=coff ;; |
| 246 | |
| 247 | # start-sanitize-rce |
| 248 | rce-*-aout) fmt=aout ;; |
| 249 | # end-sanitize-rce |
| 250 | |
| 251 | ns32k-pc532-mach* | ns32k-pc532-ux*) fmt=aout em=pc532mach ;; |
| 252 | ns32k-pc532-netbsd* | ns32k-pc532-lites*) fmt=aout em=nbsd532 ;; |
| 253 | |
| 254 | sparc-*-sunos4*) fmt=aout em=sun3 ;; |
| 255 | sparc-*-aout | sparc*-*-vxworks) |
| 256 | fmt=aout ;; |
| 257 | sparc-*-coff) fmt=coff ;; |
| 258 | sparc-*-lynxos*) fmt=coff em=lynx ;; |
| 259 | sparc-fujitsu-none) fmt=aout ;; |
| 260 | sparc-*-elf | sparc*-*-solaris*) |
| 261 | fmt=elf ;; |
| 262 | sparc-*-netbsd*) fmt=aout em=nbsd bfd_gas=yes ;; |
| 263 | |
| 264 | vax-*-bsd* | vax-*-ultrix*) |
| 265 | fmt=aout ;; |
| 266 | vax-*-vms) fmt=vms ;; |
| 267 | |
| 268 | z8k-*-coff | z8k-*-sim) |
| 269 | fmt=coff ;; |
| 270 | |
| 271 | w65-*-*) fmt=coff ;; |
| 272 | |
| 273 | *-*-aout | *-*-scout) |
| 274 | fmt=aout ;; |
| 275 | *-*-nindy*) |
| 276 | fmt=bout ;; |
| 277 | *-*-bsd*) |
| 278 | fmt=aout em=sun3 ;; |
| 279 | *-*-generic) fmt=generic ;; |
| 280 | *-*-xray | *-*-hms) fmt=coff ;; |
| 281 | *-*-sim) fmt=coff ;; |
| 282 | *-*-elf | *-*-sysv4* | *-*-solaris*) |
| 283 | AC_MSG_WARN(GAS support for ELF format is incomplete.) |
| 284 | fmt=elf dev=yes ;; |
| 285 | *-*-vxworks) fmt=aout ;; |
| 286 | *-*-netware) fmt=elf ;; |
| 287 | esac |
| 288 | |
| 289 | case ${cpu_type}-${fmt} in |
| 290 | arm-*) bfd_gas=yes ;; |
| 291 | # not yet |
| 292 | # i386-aout) bfd_gas=preferred ;; |
| 293 | mips-*) bfd_gas=yes ;; |
| 294 | ns32k-*) bfd_gas=yes ;; |
| 295 | ppc-*) bfd_gas=yes ;; |
| 296 | sparc-*) bfd_gas=yes ;; |
| 297 | *-elf) bfd_gas=yes ;; |
| 298 | *-ecoff) bfd_gas=yes ;; |
| 299 | *-som) bfd_gas=yes ;; |
| 300 | *) ;; |
| 301 | esac |
| 302 | |
| 303 | # Other random stuff. |
| 304 | |
| 305 | test -n "$want_sparcv9" && AC_DEFINE(sparcv9) |
| 306 | |
| 307 | case ${cpu_type} in |
| 308 | m68k) extra_objects="$extra_objects m68k-parse.o" ;; |
| 309 | esac |
| 310 | |
| 311 | # See if we really can support this configuration with the emulation code. |
| 312 | |
| 313 | if test $this_target = $target ; then |
| 314 | primary_bfd_gas=$bfd_gas |
| 315 | obj_format=$fmt |
| 316 | gas_target=$targ |
| 317 | te_file=$em |
| 318 | |
| 319 | if test $bfd_gas = no ; then |
| 320 | # Can't support other configurations this way. |
| 321 | break |
| 322 | fi |
| 323 | elif test $bfd_gas = no ; then |
| 324 | # Can't support this configuration. |
| 325 | break |
| 326 | fi |
| 327 | |
| 328 | # From target name and format, produce a list of supported emulations. |
| 329 | |
| 330 | case ${generic_target}-${fmt} in |
| 331 | mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; |
| 332 | mips-*-*-ecoff) case "$endian" in |
| 333 | big) emulation="mipsbecoff mipslecoff mipsecoff" ;; |
| 334 | *) emulation="mipslecoff mipsbecoff mipsecoff" ;; |
| 335 | esac ;; |
| 336 | mips-*-*-elf) case "$endian" in |
| 337 | big) emulation="mipsbelf mipslelf mipself" ;; |
| 338 | *) emulation="mipslelf mipsbelf mipself" ;; |
| 339 | esac ;; |
| 340 | esac |
| 341 | |
| 342 | emulations="$emulations $emulation" |
| 343 | |
| 344 | done |
| 345 | |
| 346 | # Assign floating point type. Most processors with FP support |
| 347 | # IEEE FP. On those that don't support FP at all, usually IEEE |
| 348 | # is emulated. |
| 349 | case ${target_cpu} in |
| 350 | vax | tahoe ) atof=${target_cpu} ;; |
| 351 | *) atof=ieee ;; |
| 352 | esac |
| 353 | |
| 354 | case "${obj_format}" in |
| 355 | "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;; |
| 356 | esac |
| 357 | |
| 358 | dnl |
| 359 | dnl Make sure the desired support files exist. |
| 360 | dnl |
| 361 | |
| 362 | if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then |
| 363 | AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) |
| 364 | fi |
| 365 | |
| 366 | if test ! -r ${srcdir}/config/obj-${obj_format}.c; then |
| 367 | AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) |
| 368 | fi |
| 369 | |
| 370 | # and target makefile frag |
| 371 | |
| 372 | target_frag=${srcdir}/config/${gas_target}.mt |
| 373 | if test ! -r ${target_frag}; then |
| 374 | target_frag=/dev/null # ick! but subst_file can't be conditionalized |
| 375 | fi |
| 376 | AC_SUBST_FILE(target_frag) |
| 377 | |
| 378 | case ${user_bfd_gas}-${primary_bfd_gas} in |
| 379 | yes-yes | no-no) |
| 380 | # We didn't override user's choice. |
| 381 | ;; |
| 382 | no-yes) |
| 383 | AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.) |
| 384 | ;; |
| 385 | no-preferred) |
| 386 | primary_bfd_gas=no |
| 387 | ;; |
| 388 | *-preferred) |
| 389 | primary_bfd_gas=yes |
| 390 | ;; |
| 391 | yes-*) |
| 392 | primary_bfd_gas=yes |
| 393 | ;; |
| 394 | -*) |
| 395 | # User specified nothing. |
| 396 | ;; |
| 397 | esac |
| 398 | |
| 399 | # Some COFF configurations want these random other flags set. |
| 400 | case ${obj_format} in |
| 401 | coff) |
| 402 | case ${target_cpu_type} in |
| 403 | i386) AC_DEFINE(I386COFF) ;; |
| 404 | m68k) AC_DEFINE(M68KCOFF) ;; |
| 405 | m88k) AC_DEFINE(M88KCOFF) ;; |
| 406 | esac |
| 407 | ;; |
| 408 | esac |
| 409 | |
| 410 | # Getting this done right is going to be a bitch. Each configuration specified |
| 411 | # with --enable-targets=... should be checked for environment, format, cpu, and |
| 412 | # bfd_gas setting. |
| 413 | # |
| 414 | # For each configuration, the necessary object file support code must be linked |
| 415 | # in. This might be only one, it might be up to four. The necessary emulation |
| 416 | # code needs to be provided, too. |
| 417 | # |
| 418 | # And then there's "--enable-targets=all".... |
| 419 | # |
| 420 | # For now, just always do it for MIPS ELF or ECOFF configurations. Sigh. |
| 421 | |
| 422 | formats="${obj_format}" |
| 423 | emfiles="" |
| 424 | EMULATIONS="" |
| 425 | GAS_UNIQ(emulations) |
| 426 | for em in . $emulations ; do |
| 427 | case $em in |
| 428 | .) continue ;; |
| 429 | mipsbelf | mipslelf) |
| 430 | fmt=elf file=mipself ;; |
| 431 | mipsbecoff | mipslecoff) |
| 432 | fmt=ecoff file=mipsecoff ;; |
| 433 | esac |
| 434 | formats="$formats $fmt" |
| 435 | emfiles="$emfiles e-$file.o" |
| 436 | EMULATIONS="$EMULATIONS &$em," |
| 437 | done |
| 438 | GAS_UNIQ(formats) |
| 439 | GAS_UNIQ(emfiles) |
| 440 | if test `set . $formats ; shift ; echo $#` -gt 1 ; then |
| 441 | for fmt in $formats ; do |
| 442 | case $fmt in |
| 443 | aout) AC_DEFINE(OBJ_MAYBE_AOUT) ;; |
| 444 | bout) AC_DEFINE(OBJ_MAYBE_BOUT) ;; |
| 445 | coff) AC_DEFINE(OBJ_MAYBE_COFF) ;; |
| 446 | ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF) ;; |
| 447 | elf) AC_DEFINE(OBJ_MAYBE_ELF) ;; |
| 448 | generic) AC_DEFINE(OBJ_MAYBE_GENERIC) ;; |
| 449 | hp300) AC_DEFINE(OBJ_MAYBE_HP300) ;; |
| 450 | ieee) AC_DEFINE(OBJ_MAYBE_IEEE) ;; |
| 451 | som) AC_DEFINE(OBJ_MAYBE_SOM) ;; |
| 452 | vms) AC_DEFINE(OBJ_MAYBE_VMS) ;; |
| 453 | esac |
| 454 | extra_objects="$extra_objects obj-$fmt.o" |
| 455 | done |
| 456 | obj_format=multi |
| 457 | fi |
| 458 | if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then |
| 459 | te_file=multi |
| 460 | extra_objects="$extra_objects $emfiles" |
| 461 | DEFAULT_EMULATION=`set . $emulations ; echo $2` |
| 462 | AC_DEFINE(USE_EMULATIONS) |
| 463 | fi |
| 464 | AC_SUBST(extra_objects) |
| 465 | AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS) |
| 466 | AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION") |
| 467 | |
| 468 | files="config/tc-${target_cpu_type}.c config/tc-${target_cpu_type}.h \ |
| 469 | config/obj-${obj_format}.h config/obj-${obj_format}.c \ |
| 470 | config/te-${te_file}.h config/atof-${atof}.c \ |
| 471 | $extra_files" |
| 472 | links="targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c \ |
| 473 | $extra_links" |
| 474 | |
| 475 | case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in |
| 476 | yes-*-coff) need_bfd=yes ;; |
| 477 | no-*-coff) need_bfd=yes |
| 478 | AC_DEFINE(MANY_SEGMENTS) ;; |
| 479 | esac |
| 480 | |
| 481 | reject_dev_configs=yes |
| 482 | |
| 483 | case ${reject_dev_configs}-${dev} in |
| 484 | yes-yes) # Oops. |
| 485 | AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) |
| 486 | ;; |
| 487 | esac |
| 488 | |
| 489 | AC_SUBST(target_cpu_type) |
| 490 | AC_SUBST(obj_format) |
| 491 | AC_SUBST(atof) |
| 492 | dnl AC_SUBST(emulation) |
| 493 | |
| 494 | AC_LINK_FILES($files, $links) |
| 495 | |
| 496 | case "${primary_bfd_gas}" in |
| 497 | yes) AC_DEFINE(BFD_ASSEMBLER) |
| 498 | need_bfd=yes ;; |
| 499 | esac |
| 500 | |
| 501 | case "${need_bfd}" in |
| 502 | yes) BFDLIB=../bfd/libbfd.a |
| 503 | ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h" |
| 504 | ;; |
| 505 | esac |
| 506 | AC_SUBST(BFDLIB) |
| 507 | AC_SUBST(ALL_OBJ_DEPS) |
| 508 | |
| 509 | AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}") |
| 510 | AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}") |
| 511 | AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}") |
| 512 | AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}") |
| 513 | AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}") |
| 514 | |
| 515 | AC_PROG_CC |
| 516 | AC_PROG_INSTALL |
| 517 | |
| 518 | AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h) |
| 519 | |
| 520 | # Put this here so that autoconf's "cross-compiling" message doesn't confuse |
| 521 | # people who are not cross-compiling but are compiling cross-assemblers. |
| 522 | AC_MSG_CHECKING(whether compiling a cross-assembler) |
| 523 | if test "${host}" = "${target}"; then |
| 524 | cross_gas=no |
| 525 | else |
| 526 | cross_gas=yes |
| 527 | AC_DEFINE(CROSS_COMPILE) |
| 528 | fi |
| 529 | AC_MSG_RESULT($cross_gas) |
| 530 | |
| 531 | dnl ansidecl.h will deal with const |
| 532 | dnl AC_CONST |
| 533 | AC_FUNC_ALLOCA |
| 534 | AC_C_INLINE |
| 535 | |
| 536 | # VMS doesn't have unlink. |
| 537 | AC_CHECK_FUNCS(unlink remove, break) |
| 538 | |
| 539 | # Some systems don't have sbrk(). |
| 540 | AC_CHECK_FUNCS(sbrk) |
| 541 | |
| 542 | # Some non-ANSI preprocessors botch requoting inside strings. That's bad |
| 543 | # enough, but on some of those systems, the assert macro relies on requoting |
| 544 | # working properly! |
| 545 | GAS_WORKING_ASSERT |
| 546 | |
| 547 | # On some systems, the system header files may not declare malloc, realloc, |
| 548 | # and free. There are places where gas needs these functions to have been |
| 549 | # declared -- such as when taking their addresses. |
| 550 | gas_test_headers=" |
| 551 | #ifdef HAVE_MEMORY_H |
| 552 | #include <memory.h> |
| 553 | #endif |
| 554 | #ifdef HAVE_STRING_H |
| 555 | #include <string.h> |
| 556 | #endif |
| 557 | #ifdef HAVE_STDLIB_H |
| 558 | #include <stdlib.h> |
| 559 | #endif |
| 560 | #ifdef HAVE_UNISTD_H |
| 561 | #include <unistd.h> |
| 562 | #endif |
| 563 | " |
| 564 | GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) |
| 565 | GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) |
| 566 | |
| 567 | # Does errno.h declare errno, or do we have to add a separate declaration |
| 568 | # for it? |
| 569 | GAS_CHECK_DECL_NEEDED(errno, f, int f, [ |
| 570 | #ifdef HAVE_ERRNO_H |
| 571 | #include <errno.h> |
| 572 | #endif |
| 573 | ]) |
| 574 | |
| 575 | dnl This must come last. |
| 576 | AC_OUTPUT(Makefile doc/Makefile .gdbinit:gdbinit.in) |