configure.ac revision 1.3
1dnl Process this file with autoconf to produce a configure script 2 3AC_PREREQ(2.64) 4AC_INIT 5AC_CONFIG_SRCDIR([xmalloc.c]) 6 7# This works around the fact that libtool configuration may change LD 8# for this particular configuration, but some shells, instead of 9# keeping the changes in LD private, export them just because LD is 10# exported. We don't use libtool yet, but some day we might, so... 11ORIGINAL_LD_FOR_MULTILIBS=$LD 12 13dnl We use these options to decide which functions to include. 14AC_ARG_WITH(target-subdir, 15[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target]) 16AC_ARG_WITH(build-subdir, 17[ --with-build-subdir=SUBDIR Configuring in a subdirectory for build]) 18AC_ARG_WITH(cross-host, 19[ --with-cross-host=HOST Configuring with a cross compiler]) 20AC_ARG_WITH(newlib, 21[ --with-newlib Configuring with newlib]) 22 23if test "${srcdir}" = "."; then 24 if test -n "${with_build_subdir}"; then 25 libiberty_topdir="${srcdir}/../.." 26 with_target_subdir= 27 elif test -z "${with_target_subdir}"; then 28 libiberty_topdir="${srcdir}/.." 29 else 30 if test "${with_target_subdir}" != "."; then 31 libiberty_topdir="${srcdir}/${with_multisrctop}../.." 32 else 33 libiberty_topdir="${srcdir}/${with_multisrctop}.." 34 fi 35 fi 36else 37 libiberty_topdir="${srcdir}/.." 38fi 39AC_SUBST(libiberty_topdir) 40AC_CONFIG_AUX_DIR($libiberty_topdir) 41 42dnl Very limited version of automake's enable-maintainer-mode 43 44AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 45 dnl maintainer-mode is disabled by default 46 AC_ARG_ENABLE(maintainer-mode, 47[ --enable-maintainer-mode 48 enable make rules and dependencies not useful 49 (and sometimes confusing) to the casual installer], 50 maintainer_mode=$enableval, 51 maintainer_mode=no) 52 53AC_MSG_RESULT($maintainer_mode) 54 55if test "$maintainer_mode" = "yes"; then 56 MAINT='' 57 NOTMAINT='#' 58else 59 MAINT='#' 60 NOTMAINT='' 61fi 62AC_SUBST(MAINT)dnl 63AC_SUBST(NOTMAINT)dnl 64 65# Do we have a single-tree copy of texinfo? Even if we do, we can't 66# rely on it - libiberty is built before texinfo. 67AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, ) 68if test "x$MAKEINFO" = "x"; then 69 MAKEINFO="@echo makeinfo missing; true" 70 BUILD_INFO= 71else 72 BUILD_INFO=info 73 case "$MAKEINFO" in 74 */missing\ makeinfo*) 75 BUILD_INFO= 76 AC_MSG_WARN([ 77*** Makeinfo is missing. Info documentation will not be built.]) 78 ;; 79 *) 80 case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in 81 x*\ [[1-3]].* ) 82 MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true" 83 BUILD_INFO= 84 AC_MSG_WARN([ 85*** Makeinfo is too old. Info documentation will not be built.]) 86 ;; 87 esac 88 ;; 89 esac 90fi 91AC_SUBST(MAKEINFO) 92AC_SUBST(BUILD_INFO) 93 94AC_CHECK_PROG(PERL, perl, perl, ) 95if test x"$PERL" = x""; then 96 HAVE_PERL='#' 97else 98 HAVE_PERL='' 99fi 100AC_SUBST(HAVE_PERL) 101 102AC_CANONICAL_HOST 103 104dnl When we start using automake: 105dnl AM_INIT_AUTOMAKE(libiberty, 1.0) 106 107dnl These must be called before AM_PROG_LIBTOOL, because it may want 108dnl to call AC_CHECK_PROG. 109AC_CHECK_TOOL(AR, ar) 110AC_CHECK_TOOL(RANLIB, ranlib, :) 111 112dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB. 113# Add --enable-multilib to configure. 114# Default to --enable-multilib 115AC_ARG_ENABLE(multilib, 116[ --enable-multilib build many library versions (default)], 117[case "$enableval" in 118 yes) multilib=yes ;; 119 no) multilib=no ;; 120 *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;; 121 esac], 122 [multilib=yes]) 123 124# Even if the default multilib is not a cross compilation, 125# it may be that some of the other multilibs are. 126if test $cross_compiling = no && test $multilib = yes \ 127 && test "x${with_multisubdir}" != x ; then 128 cross_compiling=maybe 129fi 130 131GCC_NO_EXECUTABLES 132AC_PROG_CC 133AC_SYS_LARGEFILE 134AC_PROG_CPP_WERROR 135 136ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \ 137 -Wstrict-prototypes], [ac_libiberty_warn_cflags]) 138ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags]) 139 140AC_PROG_CC_C_O 141# autoconf is lame and doesn't give us any substitution variable for this. 142if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then 143 NO_MINUS_C_MINUS_O=yes 144else 145 OUTPUT_OPTION='-o $@' 146fi 147AC_SUBST(NO_MINUS_C_MINUS_O) 148AC_SUBST(OUTPUT_OPTION) 149 150AC_C_CONST 151AC_C_INLINE 152AC_C_BIGENDIAN 153 154dnl When we start using libtool: 155dnl Default to a non shared library. This may be overridden by the 156dnl configure option --enable-shared. 157dnl AM_DISABLE_SHARED 158 159dnl When we start using libtool: 160dnl AM_PROG_LIBTOOL 161 162dnl When we start using automake: 163dnl AM_CONFIG_HEADER(config.h:config.in) 164AC_CONFIG_HEADER(config.h:config.in) 165 166dnl When we start using automake: 167dnl AM_MAINTAINER_MODE 168dnl AC_EXEEXT 169 170dnl When we start using automake: 171dnl AM_PROG_INSTALL 172AC_PROG_INSTALL 173 174# Don't build the shared library for build. 175if [[ -n "${with_build_subdir}" ]]; then 176 enable_shared=no 177fi 178 179frag= 180case "${host}" in 181 rs6000-ibm-aix3.1 | rs6000-ibm-aix) 182 frag=mh-aix ;; 183 *-*-cxux7*) frag=mh-cxux7 ;; 184 *-*-freebsd2.1.*) frag=mh-fbsd21 ;; 185 *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;; 186 i370-*-opened*) frag=mh-openedition ;; 187 i[[34567]]86-*-windows*) frag=mh-windows ;; 188esac 189 190if [[ -n "${frag}" ]]; then 191 frag=${libiberty_topdir}/libiberty/config/$frag 192fi 193 194GCC_PICFLAG 195 196# If they didn't specify --enable-shared, don't generate shared libs. 197case "${enable_shared}" in 198 yes) shared=yes ;; 199 no) shared=no ;; 200 "") shared=no ;; 201 *) shared=yes ;; 202esac 203if [[ "${shared}" != "yes" ]]; then 204 PICFLAG= 205fi 206AC_SUBST(PICFLAG) 207 208echo "# Warning: this fragment is automatically generated" > temp-frag 209 210if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then 211 echo "Appending ${frag} to xhost-mkfrag" 212 echo "# Following fragment copied from ${frag}" >> temp-frag 213 cat ${frag} >> temp-frag 214fi 215 216# record if we want to build shared libs. 217if [[ "${shared}" = "yes" ]]; then 218 echo enable_shared = yes >> temp-frag 219else 220 echo enable_shared = no >> temp-frag 221fi 222 223frag=xhost-mkfrag 224${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag 225 226host_makefile_frag=${frag} 227AC_SUBST_FILE(host_makefile_frag) 228 229# It's OK to check for header files. Although the compiler may not be 230# able to link anything, it had better be able to at least compile 231# something. 232AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h sys/prctl.h) 233AC_HEADER_SYS_WAIT 234AC_HEADER_TIME 235 236libiberty_AC_DECLARE_ERRNO 237 238# Determine the size of an int for struct fibnode. 239AC_CHECK_SIZEOF([int]) 240 241# Look for a 64-bit type. 242AC_MSG_CHECKING([for a 64-bit type]) 243AC_CACHE_VAL(liberty_cv_uint64, 244[AC_TRY_COMPILE( 245[#ifdef HAVE_STDINT_H 246#include <stdint.h> 247#endif], 248[extern uint64_t foo;], 249liberty_cv_uint64=uint64_t, 250[AC_TRY_COMPILE( 251[#ifdef HAVE_LIMITS_H 252#include <limits.h> 253#endif 254#ifndef CHAR_BIT 255#define CHAR_BIT 8 256#endif], 257[extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];], 258liberty_cv_uint64="unsigned long", 259[AC_TRY_COMPILE( 260[#ifdef HAVE_LIMITS_H 261#include <limits.h> 262#endif 263#ifndef CHAR_BIT 264#define CHAR_BIT 8 265#endif], 266[extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];], 267liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])]) 268AC_MSG_RESULT($liberty_cv_uint64) 269if test "$liberty_cv_uint64" != none; then 270 AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64, 271 [Define to an unsigned 64-bit type available in the compiler.]) 272fi 273 274AC_TYPE_INTPTR_T 275AC_TYPE_UINTPTR_T 276AC_TYPE_SSIZE_T 277 278# Given the above check, we always have uintptr_t or a fallback 279# definition. So define HAVE_UINTPTR_T in case any imported code 280# relies on it. 281AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.]) 282 283AC_TYPE_PID_T 284 285# This is the list of functions which libiberty will provide if they 286# are not available on the host. 287 288funcs="asprintf" 289funcs="$funcs atexit" 290funcs="$funcs basename" 291funcs="$funcs bcmp" 292funcs="$funcs bcopy" 293funcs="$funcs bsearch" 294funcs="$funcs bzero" 295funcs="$funcs calloc" 296funcs="$funcs clock" 297funcs="$funcs ffs" 298funcs="$funcs getcwd" 299funcs="$funcs getpagesize" 300funcs="$funcs gettimeofday" 301funcs="$funcs index" 302funcs="$funcs insque" 303funcs="$funcs memchr" 304funcs="$funcs memcmp" 305funcs="$funcs memcpy" 306funcs="$funcs memmem" 307funcs="$funcs memmove" 308funcs="$funcs mempcpy" 309funcs="$funcs memset" 310funcs="$funcs mkstemps" 311funcs="$funcs putenv" 312funcs="$funcs random" 313funcs="$funcs rename" 314funcs="$funcs rindex" 315funcs="$funcs setenv" 316funcs="$funcs snprintf" 317funcs="$funcs sigsetmask" 318funcs="$funcs stpcpy" 319funcs="$funcs stpncpy" 320funcs="$funcs strcasecmp" 321funcs="$funcs strchr" 322funcs="$funcs strdup" 323funcs="$funcs strncasecmp" 324funcs="$funcs strndup" 325funcs="$funcs strnlen" 326funcs="$funcs strrchr" 327funcs="$funcs strstr" 328funcs="$funcs strtod" 329funcs="$funcs strtol" 330funcs="$funcs strtoul" 331funcs="$funcs strverscmp" 332funcs="$funcs tmpnam" 333funcs="$funcs vasprintf" 334funcs="$funcs vfprintf" 335funcs="$funcs vprintf" 336funcs="$funcs vsnprintf" 337funcs="$funcs vsprintf" 338funcs="$funcs waitpid" 339funcs="$funcs setproctitle" 340 341# Also in the old function.def file: alloca, vfork, getopt. 342 343vars="sys_errlist sys_nerr sys_siglist" 344 345checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \ 346 getsysinfo gettimeofday on_exit psignal pstat_getdynamic pstat_getstatic \ 347 realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \ 348 sysmp table times wait3 wait4" 349 350# These are neither executed nor required, but they help keep 351# autoheader happy without adding a bunch of text to acconfig.h. 352if test "x" = "y"; then 353 AC_CHECK_FUNCS(asprintf atexit \ 354 basename bcmp bcopy bsearch bzero \ 355 calloc canonicalize_file_name clock \ 356 dup3 \ 357 ffs __fsetlocking \ 358 getcwd getpagesize getrlimit getrusage getsysinfo gettimeofday \ 359 index insque \ 360 memchr memcmp memcpy memmem memmove memset mkstemps \ 361 on_exit \ 362 psignal pstat_getdynamic pstat_getstatic putenv \ 363 random realpath rename rindex \ 364 sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \ 365 stpcpy stpncpy strcasecmp strchr strdup \ 366 strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \ 367 strtol strtoul strverscmp sysconf sysctl sysmp \ 368 table times tmpnam \ 369 vasprintf vfprintf vprintf vsprintf \ 370 wait3 wait4 waitpid) 371 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf]) 372 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) 373 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) 374 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) 375fi 376 377# For each of these functions, if the host does not provide the 378# function we want to put FN.o in LIBOBJS, and if the host does 379# provide the function, we want to define HAVE_FN in config.h. 380 381setobjs= 382CHECK= 383target_header_dir= 384if test -n "${with_target_subdir}"; then 385 386 # We are being configured as a target library. AC_REPLACE_FUNCS 387 # may not work correctly, because the compiler may not be able to 388 # link executables. Note that we may still be being configured 389 # native. 390 391 # If we are being configured for newlib, we know which functions 392 # newlib provide and which ones we will be expected to provide. 393 394 if test "x${with_newlib}" = "xyes"; then 395 AC_LIBOBJ([asprintf]) 396 AC_LIBOBJ([basename]) 397 AC_LIBOBJ([insque]) 398 AC_LIBOBJ([random]) 399 AC_LIBOBJ([strdup]) 400 AC_LIBOBJ([vasprintf]) 401 402 for f in $funcs; do 403 case "$f" in 404 asprintf | basename | insque | random | strdup | vasprintf) 405 ;; 406 *) 407 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 408 AC_DEFINE_UNQUOTED($n) 409 ;; 410 esac 411 done 412 413 # newlib doesnt provide any of the variables in $vars, so we 414 # dont have to check them here. 415 416 # Of the functions in $checkfuncs, newlib only has strerror. 417 AC_DEFINE(HAVE_STRERROR) 418 419 setobjs=yes 420 421 fi 422 423 # If we are being configured for Mingw, we know which functions 424 # Mingw provides and which ones we will be expected to provide. 425 426 case "${host}" in 427 *-*-mingw*) 428 AC_LIBOBJ([asprintf]) 429 AC_LIBOBJ([basename]) 430 AC_LIBOBJ([bcmp]) 431 AC_LIBOBJ([bcopy]) 432 AC_LIBOBJ([bzero]) 433 AC_LIBOBJ([clock]) 434 AC_LIBOBJ([ffs]) 435 AC_LIBOBJ([getpagesize]) 436 AC_LIBOBJ([index]) 437 AC_LIBOBJ([insque]) 438 AC_LIBOBJ([mempcpy]) 439 AC_LIBOBJ([mkstemps]) 440 AC_LIBOBJ([random]) 441 AC_LIBOBJ([rindex]) 442 AC_LIBOBJ([sigsetmask]) 443 AC_LIBOBJ([stpcpy]) 444 AC_LIBOBJ([stpncpy]) 445 AC_LIBOBJ([strndup]) 446 AC_LIBOBJ([strnlen]) 447 AC_LIBOBJ([strverscmp]) 448 AC_LIBOBJ([vasprintf]) 449 AC_LIBOBJ([waitpid]) 450 451 for f in $funcs; do 452 case "$f" in 453 asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid) 454 ;; 455 *) 456 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 457 AC_DEFINE_UNQUOTED($n) 458 ;; 459 esac 460 done 461 462 # Mingw doesnt provide any of the variables in $vars, so we 463 # dont have to check them here. 464 465 # Of the functions in $checkfuncs, Mingw only has strerror. 466 AC_DEFINE(HAVE_STRERROR) 467 468 setobjs=yes 469 ;; 470 471 *-*-msdosdjgpp) 472 AC_LIBOBJ([vasprintf]) 473 AC_LIBOBJ([vsnprintf]) 474 AC_LIBOBJ([snprintf]) 475 AC_LIBOBJ([asprintf]) 476 477 for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \ 478 getcwd getpagesize getrusage gettimeofday \ 479 index insque memchr memcmp memcpy memmove memset psignal \ 480 putenv random rename rindex sbrk setenv stpcpy strcasecmp \ 481 strchr strdup strerror strncasecmp strrchr strstr strtod \ 482 strtol strtoul sysconf times tmpnam vfprintf vprintf \ 483 vsprintf waitpid 484 do 485 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 486 AC_DEFINE_UNQUOTED($n) 487 done 488 489 490 setobjs=yes 491 ;; 492 493 esac 494 495 # We may wish to install the target headers somewhere. 496 AC_ARG_ENABLE(install-libiberty, 497 [ --enable-install-libiberty Install headers for end users], 498 enable_install_libiberty=$enableval, 499 enable_install_libiberty=no)dnl 500 501 # Option parsed, now set things appropriately. 502 case x"$enable_install_libiberty" in 503 xyes|x) 504 target_header_dir=libiberty 505 ;; 506 xno) 507 target_header_dir= 508 ;; 509 *) 510 # This could be sanity-checked in various ways... 511 target_header_dir="${enable_install_libiberty}" 512 ;; 513 esac 514 515 516else 517 518 # Not a target library, so we set things up to run the test suite. 519 CHECK=really-check 520 521fi 522 523AC_SUBST(CHECK) 524AC_SUBST(target_header_dir) 525 526case "${host}" in 527 *-*-cygwin* | *-*-mingw*) 528 AC_DEFINE(HAVE_SYS_ERRLIST) 529 AC_DEFINE(HAVE_SYS_NERR) 530 ;; 531esac 532 533if test -z "${setobjs}"; then 534 case "${host}" in 535 536 *-*-vxworks*) 537 # Handle VxWorks configuration specially, since on VxWorks the 538 # libraries are actually on the target board, not in the file 539 # system. 540 AC_LIBOBJ([basename]) 541 AC_LIBOBJ([getpagesize]) 542 AC_LIBOBJ([insque]) 543 AC_LIBOBJ([random]) 544 AC_LIBOBJ([strcasecmp]) 545 AC_LIBOBJ([strncasecmp]) 546 AC_LIBOBJ([strdup]) 547 AC_LIBOBJ([vfork]) 548 AC_LIBOBJ([waitpid]) 549 AC_LIBOBJ([vasprintf]) 550 for f in $funcs; do 551 case "$f" in 552 basename | getpagesize | insque | random | strcasecmp) 553 ;; 554 strncasecmp | strdup | vfork | waitpid | vasprintf) 555 ;; 556 *) 557 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 558 AC_DEFINE_UNQUOTED($n) 559 ;; 560 esac 561 done 562 563 # VxWorks doesn't provide any of the variables in $vars, so we 564 # don't have to check them here. 565 566 # Of the functions in $checkfuncs, VxWorks only has strerror. 567 AC_DEFINE(HAVE_STRERROR) 568 569 setobjs=yes 570 ;; 571 572 esac 573fi 574 575if test -z "${setobjs}"; then 576 577 case "${host}" in 578 579 *-*-mingw32*) 580 # Under mingw32, sys_nerr and sys_errlist exist, but they are 581 # macros, so the test below won't find them. 582 libiberty_cv_var_sys_nerr=yes 583 libiberty_cv_var_sys_errlist=yes 584 ;; 585 586 *-*-msdosdjgpp*) 587 # vfork and fork are stubs. 588 ac_cv_func_vfork_works=no 589 ;; 590 591 *-*-uwin*) 592 # Under some versions of uwin, vfork is notoriously buggy and the test 593 # can hang configure; on other versions, vfork exists just as a stub. 594 # FIXME: This should be removed once vfork in uwin's runtime is fixed. 595 ac_cv_func_vfork_works=no 596 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are 597 # macros (actually, these are imported from a DLL, but the end effect 598 # is the same), so the test below won't find them. 599 libiberty_cv_var_sys_nerr=yes 600 libiberty_cv_var_sys_errlist=yes 601 ;; 602 603 *-*-*vms*) 604 # Under VMS, vfork works very different than on Unix. The standard test 605 # won't work, and it isn't easily adaptable. It makes more sense to 606 # just force it. 607 ac_cv_func_vfork_works=yes 608 ;; 609 610 esac 611 612 # We haven't set the list of objects yet. Use the standard autoconf 613 # tests. This will only work if the compiler works. 614 AC_ISC_POSIX 615 AC_REPLACE_FUNCS($funcs) 616 libiberty_AC_FUNC_C_ALLOCA 617 AC_FUNC_FORK 618 if test $ac_cv_func_vfork_works = no; then 619 AC_LIBOBJ([vfork]) 620 fi 621 # We only need _doprnt if we might use it to implement v*printf. 622 if test $ac_cv_func_vprintf != yes \ 623 || test $ac_cv_func_vfprintf != yes \ 624 || test $ac_cv_func_vsprintf != yes; then 625 AC_REPLACE_FUNCS(_doprnt) 626 else 627 AC_CHECK_FUNCS(_doprnt) 628 fi 629 630 for v in $vars; do 631 AC_MSG_CHECKING([for $v]) 632 AC_CACHE_VAL(libiberty_cv_var_$v, 633 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])], 634 [eval "libiberty_cv_var_$v=yes"], 635 [eval "libiberty_cv_var_$v=no"])]) 636 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then 637 AC_MSG_RESULT(yes) 638 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 639 AC_DEFINE_UNQUOTED($n) 640 else 641 AC_MSG_RESULT(no) 642 fi 643 done 644 645 # special check for _system_configuration because AIX <4.3.2 do not 646 # contain the `physmem' member. 647 AC_MSG_CHECKING([for external symbol _system_configuration]) 648 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]], 649 [[double x = _system_configuration.physmem;]])], 650 [AC_MSG_RESULT([yes]) 651 AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1, 652 [Define if you have the _system_configuration variable.])], 653 [AC_MSG_RESULT([no])]) 654 655 AC_CHECK_FUNCS($checkfuncs) 656 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf]) 657 AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk]) 658 AC_CHECK_DECLS([strverscmp]) 659 libiberty_NEED_DECLARATION(canonicalize_file_name) 660fi 661 662# Figure out which version of pexecute to use. 663case "${host}" in 664 *-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;; 665 *-*-msdosdjgpp*) pexecute=pex-djgpp ;; 666 *-*-msdos*) pexecute=pex-msdos ;; 667 *) pexecute=pex-unix ;; 668esac 669AC_SUBST(pexecute) 670 671libiberty_AC_FUNC_STRNCMP 672 673# Install a library built with a cross compiler in $(tooldir) rather 674# than $(libdir). 675if test -z "${with_cross_host}"; then 676 INSTALL_DEST=libdir 677else 678 INSTALL_DEST=tooldir 679fi 680AC_SUBST(INSTALL_DEST) 681 682m4_pattern_allow(LIBOBJS) 683L="" 684for l in x $LIBOBJS; do 685 case $l in 686 x) ;; 687 *) L="$L ./$l" ;; 688 esac 689done 690LIBOBJS="$L" 691 692dnl Required by html and install-html 693AC_SUBST(datarootdir) 694AC_SUBST(docdir) 695AC_SUBST(htmldir) 696 697# We need multilib support, but only if configuring for the target. 698AC_CONFIG_FILES([Makefile]) 699AC_CONFIG_COMMANDS([default], 700 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h 701if test -n "$CONFIG_FILES"; then 702 if test -n "${with_target_subdir}"; then 703 # FIXME: We shouldn't need to set ac_file 704 ac_file=Makefile 705 LD="${ORIGINAL_LD_FOR_MULTILIBS}" 706 . ${libiberty_topdir}/config-ml.in 707 fi 708fi]], 709[[srcdir=${srcdir} 710host=${host} 711target=${target} 712with_target_subdir=${with_target_subdir} 713with_multisubdir=${with_multisubdir} 714ac_configure_args="--enable-multilib ${ac_configure_args}" 715CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} 716ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}" 717libiberty_topdir=${libiberty_topdir} 718]]) 719AC_OUTPUT 720