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(2.57) 9AC_INIT(as.h) 10 11dnl Autoconf 2.57 will find the aux dir without this. However, unless 12dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in 13dnl gas/ instead of gas/../. 14AC_CONFIG_AUX_DIR(..) 15AC_CANONICAL_SYSTEM 16AC_ISC_POSIX 17 18changequote(,)dnl 19BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in` 20changequote([,])dnl 21AM_INIT_AUTOMAKE(gas, ${BFD_VERSION}) 22 23AM_PROG_LIBTOOL 24 25user_bfd_gas= 26AC_ARG_ENABLE(bfd-assembler, 27[ --enable-bfd-assembler use BFD back end for writing object files], 28[case "${enableval}" in 29 yes) need_bfd=yes user_bfd_gas=yes ;; 30 no) user_bfd_gas=no ;; 31 *) AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;; 32esac])dnl 33AC_ARG_ENABLE(targets, 34[ targets alternative target configurations besides the primary], 35[case "${enableval}" in 36 yes | "") AC_ERROR(enable-targets option must specify target names or 'all') 37 ;; 38 no) enable_targets= ;; 39 *) enable_targets=$enableval ;; 40esac])dnl 41AC_ARG_ENABLE(commonbfdlib, 42[ --enable-commonbfdlib build shared BFD/opcodes/libiberty library], 43[case "${enableval}" in 44 yes) commonbfdlib=true ;; 45 no) commonbfdlib=false ;; 46 *) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;; 47esac])dnl 48 49using_cgen=no 50 51build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" 52AC_ARG_ENABLE(build-warnings, 53[ --enable-build-warnings Enable build-time compiler warnings if gcc is used], 54[case "${enableval}" in 55 yes) ;; 56 no) build_warnings="-w";; 57 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` 58 build_warnings="${build_warnings} ${t}";; 59 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` 60 build_warnings="${t} ${build_warnings}";; 61 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;; 62esac 63if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then 64 echo "Setting warning flags = $build_warnings" 6>&1 65fi])dnl 66WARN_CFLAGS="" 67if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then 68 WARN_CFLAGS="${build_warnings}" 69fi 70AC_SUBST(WARN_CFLAGS) 71 72# Generate a header file 73AM_CONFIG_HEADER(config.h:config.in) 74 75# If we are on a DOS filesystem, we must use gdb.ini rather than 76# .gdbinit. 77case "${host}" in 78 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*) 79 GDBINIT="gdb.ini" 80 AC_CONFIG_FILES(gdb.ini:gdbinit.in) 81 ;; 82 *) 83 GDBINIT=".gdbinit" 84 AC_CONFIG_FILES(.gdbinit:gdbinit.in) 85 ;; 86esac 87AC_SUBST(GDBINIT) 88 89#We need this for the host. BOUT header is in host order. 90AC_C_BIGENDIAN 91 92te_file=generic 93 94# Makefile target for installing gas in $(tooldir)/bin. 95install_tooldir=install-exec-tooldir 96 97canon_targets="" 98all_targets=no 99if test -n "$enable_targets" ; then 100 for t in `echo $enable_targets | sed 's/,/ /g'`; do 101 if test $t = "all"; then 102 all_targets=yes 103 continue 104 fi 105 result=`$ac_config_sub $t 2>/dev/null` 106 if test -n "$result" ; then 107 canon_targets="$canon_targets $result" 108# else 109# # Permit "all", etc. We don't support it yet though. 110# canon_targets="$canon_targets $t" 111 fi 112 done 113 GAS_UNIQ(canon_targets) 114fi 115 116emulations="" 117 118for this_target in $target $canon_targets ; do 119 120 targ=${this_target} 121 . ${srcdir}/configure.tgt 122 123 case ${target_cpu} in 124 crisv32) 125 AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch, 126 [Default CRIS architecture.]) 127 ;; 128 esac 129 130 if test ${this_target} = $target ; then 131 target_cpu_type=${cpu_type} 132 elif test ${target_cpu_type} != ${cpu_type} ; then 133 continue 134 fi 135 136 generic_target=${cpu_type}-${target_vendor}-${target_os} 137 case ${generic_target} in 138 i386-*-sco3.2v5*) 139 if test ${this_target} = $target; then 140 AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.]) 141 fi 142 ;; 143 144 i386-*-msdosdjgpp* \ 145 | i386-*-go32* \ 146 | i386-go32-rtems*) 147 AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?]) 148 ;; 149 150 i860-*-*) 151 AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) 152 ;; 153 154 mips-sony-bsd*) 155 ;; 156 mips-*-bsd*) 157 AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) 158 ;; 159 160 ppc-*-aix5.*) 161 AC_DEFINE(AIX_WEAK_SUPPORT, 1, 162 [Define if using AIX 5.2 value for C_WEAKEXT.]) 163 ;; 164 ppc-*-linux-gnu*) 165 case "$endian" in 166 big) ;; 167 *) AC_MSG_ERROR(GNU/Linux must be configured big endian) ;; 168 esac 169 ;; 170 ppc-*-solaris*) 171 if test ${this_target} = $target; then 172 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1, 173 [Define if default target is PowerPC Solaris.]) 174 fi 175 if test x${endian} = xbig; then 176 AC_MSG_ERROR(Solaris must be configured little endian) 177 fi 178 ;; 179 180 sh*-*-symbianelf*) 181 AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.]) 182 ;; 183 esac 184 185 if test ${this_target} = $target ; then 186 endian_def= 187 if test x${endian} = xbig; then 188 endian_def=1 189 elif test x${endian} = xlittle; then 190 endian_def=0 191 fi 192 if test x${endian_def} != x; then 193 AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def, 194 [Define as 1 if big endian.]) 195 fi 196 fi 197 198# Other random stuff. 199 200 case ${cpu_type} in 201 mips) 202 # Set mips_cpu to the name of the default CPU. 203 case ${target_cpu} in 204 mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el) 205 mips_cpu=from-abi 206 ;; 207 mipsisa32 | mipsisa32el) 208 mips_cpu=mips32 209 ;; 210 mipsisa32r2 | mipsisa32r2el) 211 mips_cpu=mips32r2 212 ;; 213 mipsisa64 | mipsisa64el) 214 mips_cpu=mips64 215 ;; 216 mipsisa64r2 | mipsisa64r2el) 217 mips_cpu=mips64r2 218 ;; 219 mipstx39 | mipstx39el) 220 mips_cpu=r3900 221 ;; 222 mips64vr | mips64vrel) 223 mips_cpu=vr4100 224 ;; 225 mipsisa32r2* | mipsisa64r2*) 226changequote(,)dnl 227 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'` 228changequote([,])dnl 229 ;; 230 mips64* | mipsisa64* | mipsisa32*) 231changequote(,)dnl 232 mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'` 233changequote([,])dnl 234 ;; 235 *) 236 AC_ERROR($target_cpu isn't a supported MIPS CPU name) 237 ;; 238 esac 239 # See whether it's appropriate to set E_MIPS_ABI_O32 for o32 240 # binaries. It's a GNU extension that some OSes don't understand. 241 # The value only matters on ELF targets. 242 case ${target} in 243 *-*-irix*) 244 use_e_mips_abi_o32=0 245 ;; 246 *) 247 use_e_mips_abi_o32=1 248 ;; 249 esac 250 # Decide whether to generate 32-bit or 64-bit code by default. 251 # Used to resolve -march=from-abi when an embedded ABI is selected. 252 case ${target} in 253 mips64*-*-* | mipsisa64*-*-*) 254 mips_default_64bit=1 255 ;; 256 *) 257 mips_default_64bit=0 258 ;; 259 esac 260 # Decide which ABI to target by default. 261 case ${target} in 262 mips64*-linux* | mips-sgi-irix6*) 263 mips_default_abi=N32_ABI 264 ;; 265 mips*-linux*) 266 mips_default_abi=O32_ABI 267 ;; 268 *) 269 mips_default_abi=NO_ABI 270 ;; 271 esac 272 AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu", 273 [Default CPU for MIPS targets. ]) 274 AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32, 275 [Allow use of E_MIPS_ABI_O32 on MIPS targets. ]) 276 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit, 277 [Generate 64-bit code by default on MIPS targets. ]) 278 AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi, 279 [Choose a default ABI for MIPS targets. ]) 280 ;; 281 esac 282 283 # Do we need the opcodes library? 284 case ${cpu_type} in 285 vax | i386 | tic30) 286 ;; 287 288 *) 289 need_opcodes=yes 290 291 case "${enable_shared}" in 292 yes) shared_opcodes=true ;; 293 *opcodes*) shared_opcodes=true ;; 294 *) shared_opcodes=false ;; 295 esac 296 if test "${shared_opcodes}" = "true"; then 297 # A shared libopcodes must be linked against libbfd. 298 need_bfd=yes 299 fi 300 ;; 301 esac 302 303 # Any other special object files needed ? 304 case ${cpu_type} in 305 fr30 | ip2k | iq2000 | m32r | openrisc) 306 using_cgen=yes 307 ;; 308 309 frv) 310 using_cgen=yes 311 ;; 312 m68k) 313 case ${extra_objects} in 314 *m68k-parse.o*) ;; 315 *) extra_objects="$extra_objects m68k-parse.o" ;; 316 esac 317 ;; 318 319 mips) 320 echo ${extra_objects} | grep -s "itbl-parse.o" 321 if test $? -ne 0 ; then 322 extra_objects="$extra_objects itbl-parse.o" 323 fi 324 325 echo ${extra_objects} | grep -s "itbl-lex.o" 326 if test $? -ne 0 ; then 327 extra_objects="$extra_objects itbl-lex.o" 328 fi 329 330 echo ${extra_objects} | grep -s "itbl-ops.o" 331 if test $? -ne 0 ; then 332 extra_objects="$extra_objects itbl-ops.o" 333 fi 334 ;; 335 336 i386 | s390 | sparc) 337 if test $this_target = $target ; then 338 AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) 339 fi 340 ;; 341 342 xstormy16) 343 using_cgen=yes 344 ;; 345 346 xtensa) 347 echo ${extra_objects} | grep -s "xtensa-relax.o" 348 if test $? -ne 0 ; then 349 extra_objects="$extra_objects xtensa-relax.o" 350 fi 351 ;; 352 353 *) 354 ;; 355 esac 356 357 if test $using_cgen = yes ; then 358 case "x${extra_objects}" in 359 *cgen.o*) ;; 360 *) extra_objects="$extra_objects cgen.o" ;; 361 esac 362 fi 363 364# See if we really can support this configuration with the emulation code. 365 366 if test $this_target = $target ; then 367 primary_bfd_gas=$bfd_gas 368 obj_format=$fmt 369 te_file=$em 370 371 if test $bfd_gas = no ; then 372 # Can't support other configurations this way. 373 break 374 fi 375 elif test $bfd_gas = no ; then 376 # Can't support this configuration. 377 break 378 fi 379 380# From target name and format, produce a list of supported emulations. 381 382 case ${generic_target}-${fmt} in 383 mips-*-irix5*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; 384 mips*-*-linux*-*) case "$endian" in 385 big) emulation="mipsbelf mipslelf mipself" ;; 386 *) emulation="mipslelf mipsbelf mipself" ;; 387 esac ;; 388 mips-*-lnews*-ecoff) ;; 389 mips-*-*-ecoff) case "$endian" in 390 big) emulation="mipsbecoff mipslecoff mipsecoff" ;; 391 *) emulation="mipslecoff mipsbecoff mipsecoff" ;; 392 esac ;; 393 mips-*-*-elf) case "$endian" in 394 big) emulation="mipsbelf mipslelf mipself" ;; 395 *) emulation="mipslelf mipsbelf mipself" ;; 396 esac ;; 397 mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;; 398 # i386-pc-pe-coff != i386-pc-coff. 399 i386-*-pe-coff) ;; 400 # Uncommenting the next line will turn on support for i386 AOUT 401 # for the default linux configuration 402 # i386-*-linux*-elf) emulation="i386elf i386aout" ;; 403 # 404 i386-*-aout) emulation="i386aout" ;; 405 i386-*-coff) emulation="i386coff" ;; 406 i386-*-elf) emulation="i386elf" ;; 407 408 # Always all formats. The first stated emulation becomes the default. 409 cris-*-*aout*) emulation="crisaout criself" ;; 410 cris-*-*) emulation="criself crisaout" ;; 411 esac 412 413 emulations="$emulations $emulation" 414 415done 416 417# Turn on all targets if possible 418if test ${all_targets} = "yes"; then 419 case ${target_cpu_type} in 420 i386) 421 case ${obj_format} in 422 aout) 423 emulations="$emulations i386coff i386elf" 424 ;; 425 coff) 426 emulations="$emulations i386aout i386elf" 427 ;; 428 elf) 429 emulations="$emulations i386aout i386coff" 430 ;; 431 esac 432 ;; 433 esac 434fi 435 436# Assign floating point type. Most processors with FP support 437# IEEE FP. On those that don't support FP at all, usually IEEE 438# is emulated. 439case ${target_cpu} in 440 vax | tahoe ) atof=${target_cpu} ;; 441 pdp11) atof=vax ;; 442 *) atof=ieee ;; 443esac 444 445case "${obj_format}" in 446 "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;; 447esac 448 449# Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU). 450cgen_cpu_prefix="" 451if test $using_cgen = yes ; then 452 case ${target_cpu} in 453 *) cgen_cpu_prefix=${target_cpu} ;; 454 esac 455 AC_SUBST(cgen_cpu_prefix) 456 AC_DEFINE(USING_CGEN, 1, [Using cgen code?]) 457fi 458 459dnl 460dnl Make sure the desired support files exist. 461dnl 462 463if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then 464 AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) 465fi 466 467if test ! -r ${srcdir}/config/obj-${obj_format}.c; then 468 AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) 469fi 470 471case ${user_bfd_gas}-${primary_bfd_gas} in 472 yes-yes | no-no) 473 # We didn't override user's choice. 474 ;; 475 no-yes) 476 AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.) 477 ;; 478 no-preferred) 479 primary_bfd_gas=no 480 ;; 481 *-preferred) 482 primary_bfd_gas=yes 483 ;; 484 yes-*) 485 primary_bfd_gas=yes 486 ;; 487 -*) 488 # User specified nothing. 489 ;; 490esac 491 492# Some COFF configurations want these random other flags set. 493case ${obj_format} in 494 coff) 495 case ${target_cpu_type} in 496 i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;; 497 m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;; 498 m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;; 499 esac 500 ;; 501esac 502 503# Getting this done right is going to be a bitch. Each configuration specified 504# with --enable-targets=... should be checked for environment, format, cpu, and 505# bfd_gas setting. 506# 507# For each configuration, the necessary object file support code must be linked 508# in. This might be only one, it might be up to four. The necessary emulation 509# code needs to be provided, too. 510# 511# And then there's "--enable-targets=all".... 512# 513# For now, just always do it for MIPS ELF or ECOFF configurations. Sigh. 514 515formats="${obj_format}" 516emfiles="" 517EMULATIONS="" 518GAS_UNIQ(emulations) 519for em in . $emulations ; do 520 case $em in 521 .) continue ;; 522 mipsbelf | mipslelf | mipself) 523 fmt=elf file=mipself ;; 524 mipsbecoff | mipslecoff | mipsecoff) 525 fmt=ecoff file=mipsecoff ;; 526 *coff) 527 fmt=coff file=$em ;; 528 *aout) 529 fmt=aout file=$em ;; 530 *elf) 531 fmt=elf file=$em ;; 532 esac 533 formats="$formats $fmt" 534 emfiles="$emfiles e-$file.o" 535 EMULATIONS="$EMULATIONS &$em," 536done 537GAS_UNIQ(formats) 538GAS_UNIQ(emfiles) 539if test `set . $formats ; shift ; echo $#` -gt 1 ; then 540 for fmt in $formats ; do 541 case $fmt in 542 aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;; 543 bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;; 544 coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;; 545 ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;; 546 elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;; 547 generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;; 548 hp300) AC_DEFINE(OBJ_MAYBE_HP300, 1, [HP300 support?]) ;; 549 ieee) AC_DEFINE(OBJ_MAYBE_IEEE, 1, [IEEE support?]) ;; 550 som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;; 551 vms) AC_DEFINE(OBJ_MAYBE_VMS, 1, [VMS support?]) ;; 552 esac 553 extra_objects="$extra_objects obj-$fmt.o" 554 done 555 obj_format=multi 556fi 557if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then 558 DEFAULT_EMULATION=`set . $emulations ; echo $2` 559 # e-mips* has more than one emulation per file, e-i386* has just one at the 560 # moment. If only one emulation is specified, then don't define 561 # USE_EMULATIONS or include any of the e-files as they will only be bloat. 562 case "${obj_format}${emfiles}" in 563 multi* | *mips*) 564 extra_objects="$extra_objects $emfiles" 565 AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;; 566 esac 567fi 568AC_SUBST(extra_objects) 569AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.]) 570AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION", 571 [Default emulation.]) 572 573case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in 574 yes-*-coff) need_bfd=yes ;; 575 no-*-coff) need_bfd=yes 576 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;; 577esac 578 579reject_dev_configs=yes 580 581case ${reject_dev_configs}-${dev} in 582 yes-yes) # Oops. 583 AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) 584 ;; 585esac 586 587AC_SUBST(target_cpu_type) 588AC_SUBST(obj_format) 589AC_SUBST(te_file) 590AC_SUBST(install_tooldir) 591AC_SUBST(atof) 592dnl AC_SUBST(emulation) 593 594case "${primary_bfd_gas}" in 595 yes) AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?]) 596 need_bfd=yes ;; 597esac 598 599# do we need the opcodes library? 600case "${need_opcodes}" in 601yes) 602 OPCODES_LIB=../opcodes/libopcodes.la 603 ;; 604esac 605 606case "${need_bfd}" in 607yes) 608 BFDLIB=../bfd/libbfd.la 609 BFDVER_H=../bfd/bfdver.h 610 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h' 611 ;; 612esac 613 614AC_SUBST(BFDLIB) 615AC_SUBST(OPCODES_LIB) 616 617AC_SUBST(BFDVER_H) 618AC_SUBST(ALL_OBJ_DEPS) 619 620AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.]) 621AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.]) 622AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.]) 623AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.]) 624AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.]) 625 626AC_PROG_CC 627 628AC_PROG_YACC 629AM_PROG_LEX 630 631ALL_LINGUAS="fr tr es" 632CY_GNU_GETTEXT 633 634AM_MAINTAINER_MODE 635AC_EXEEXT 636 637AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h) 638 639# Put this here so that autoconf's "cross-compiling" message doesn't confuse 640# people who are not cross-compiling but are compiling cross-assemblers. 641AC_MSG_CHECKING(whether compiling a cross-assembler) 642if test "${host}" = "${target}"; then 643 cross_gas=no 644else 645 cross_gas=yes 646 AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?]) 647fi 648AC_MSG_RESULT($cross_gas) 649 650dnl ansidecl.h will deal with const 651dnl AC_CONST 652AC_FUNC_ALLOCA 653AC_C_INLINE 654 655# VMS doesn't have unlink. 656AC_CHECK_FUNCS(unlink remove, break) 657 658# Some systems don't have sbrk(). 659AC_CHECK_FUNCS(sbrk) 660 661# do we need the math library? 662case "${need_libm}" in 663yes) 664 AC_CHECK_LIBM 665 AC_SUBST(LIBM) 666 ;; 667esac 668 669# Some non-ANSI preprocessors botch requoting inside strings. That's bad 670# enough, but on some of those systems, the assert macro relies on requoting 671# working properly! 672GAS_WORKING_ASSERT 673 674# On some systems, the system header files may not declare malloc, realloc, 675# and free. There are places where gas needs these functions to have been 676# declared -- such as when taking their addresses. 677gas_test_headers=" 678#ifdef HAVE_MEMORY_H 679#include <memory.h> 680#endif 681#ifdef HAVE_STRING_H 682#include <string.h> 683#else 684#ifdef HAVE_STRINGS_H 685#include <strings.h> 686#endif 687#endif 688#ifdef HAVE_STDLIB_H 689#include <stdlib.h> 690#endif 691#ifdef HAVE_UNISTD_H 692#include <unistd.h> 693#endif 694" 695GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers) 696GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) 697GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) 698GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers) 699GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers) 700 701# Does errno.h declare errno, or do we have to add a separate declaration 702# for it? 703GAS_CHECK_DECL_NEEDED(errno, f, int f, [ 704#ifdef HAVE_ERRNO_H 705#include <errno.h> 706#endif 707]) 708 709dnl This must come last. 710 711dnl We used to make symlinks to files in the source directory, but now 712dnl we just use the right name for .c files, and create .h files in 713dnl the build directory which include the right .h file. Make sure 714dnl the old symlinks don't exist, so that a reconfigure in an existing 715dnl directory behaves reasonably. 716 717AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in) 718AC_CONFIG_COMMANDS([default], 719[rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h 720 echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h 721 echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h 722 echo '#include "te-'"${te_file}"'.h"' > targ-env.h 723 echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h 724 if test "x$cgen_cpu_prefix" != x ; then 725 echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h 726 fi 727 728 sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile], 729[target_cpu_type=${target_cpu_type} 730 cgen_cpu_prefix=${cgen_cpu_prefix} 731 obj_format=${obj_format} 732 te_file=${te_file}]) 733 734AC_OUTPUT 735