configure.in

   1 dnl
   2 dnl Configure script for bash-3.2
   3 dnl
   4 dnl report bugs to chet@po.cwru.edu
   5 dnl
   6 dnl Process this file with autoconf to produce a configure script.
   7
   8 # Copyright (C) 1987-2007 Free Software Foundation, Inc.
   9
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2, or (at your option)
  13 # any later version.
  14
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program; if not, write to the Free Software
  22 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  23 # 02111-1307, USA.
  24
  25 AC_REVISION([for Bash 3.2, version 3.190])dnl
  26
  27 define(bashvers, 3.2)
  28 define(relstatus, release)
  29
  30 AC_INIT([bash], bashvers-relstatus, [bug-bash@gnu.org])
  31
  32 dnl make sure we are using a recent autoconf version
  33 AC_PREREQ(2.50)
  34
  35 AC_CONFIG_SRCDIR(shell.h)
  36 dnl where to find install.sh, config.sub, and config.guess
  37 AC_CONFIG_AUX_DIR(./support)
  38 AC_CONFIG_HEADERS(config.h)
  39
  40 dnl checks for version info
  41 BASHVERS=bashvers
  42 RELSTATUS=relstatus
  43
  44 dnl defaults for debug settings
  45 case "$RELSTATUS" in
  46 alp*|bet*|dev*|rc*)     DEBUG='-DDEBUG' MALLOC_DEBUG='-DMALLOC_DEBUG' ;;
  47 *)      DEBUG= MALLOC_DEBUG= ;;
  48 esac
  49
  50 dnl canonicalize the host and os so we can do some tricky things before
  51 dnl parsing options
  52 AC_CANONICAL_HOST
  53
  54 dnl configure defaults
  55 opt_bash_malloc=yes
  56 opt_purify=no
  57 opt_purecov=no
  58 opt_afs=no
  59 opt_curses=no
  60 opt_with_installed_readline=no
  61
  62 #htmldir=
  63
  64 dnl some systems should be configured without the bash malloc by default
  65 dnl and some need a special compiler or loader
  66 dnl look in the NOTES file for more
  67 case "${host_cpu}-${host_os}" in
  68 alpha*-*)       opt_bash_malloc=no ;;   # alpha running osf/1 or linux
  69 *[[Cc]]ray*-*)  opt_bash_malloc=no ;;   # Crays
  70 *-osf1*)        opt_bash_malloc=no ;;   # other osf/1 machines
  71 sparc-svr4*)    opt_bash_malloc=no ;;   # sparc SVR4, SVR4.2
  72 sparc-netbsd*)  opt_bash_malloc=no ;;   # needs 8-byte alignment
  73 mips-irix6*)    opt_bash_malloc=no ;;   # needs 8-byte alignment
  74 m68k-sysv)      opt_bash_malloc=no ;;   # fixes file descriptor leak in closedir
  75 sparc-linux*)   opt_bash_malloc=no ;;   # sparc running linux; requires ELF
  76 #*-freebsd*-gnu)        opt_bash_malloc=no ;;   # there's some undetermined problem here
  77 #*-freebsd*)    opt_bash_malloc=no ;;   # they claim it's better; I disagree
  78 *-openbsd*)     opt_bash_malloc=no ;;   # they claim it needs eight-bit alignment
  79 *-aix*)         opt_bash_malloc=no ;;   # AIX machines
  80 *-nextstep*)    opt_bash_malloc=no ;;   # NeXT machines running NeXTstep
  81 *-macos*)       opt_bash_malloc=no ;;   # Apple MacOS X
  82 *-rhapsody*)    opt_bash_malloc=no ;;   # Apple Rhapsody (MacOS X)
  83 *-darwin*)      opt_bash_malloc=no ;;   # Apple Darwin (MacOS X)
  84 *-dgux*)        opt_bash_malloc=no ;;   # DG/UX machines
  85 *-qnx*)         opt_bash_malloc=no ;;   # QNX 4.2, QNX 6.x
  86 *-machten4)     opt_bash_malloc=no ;;   # MachTen 4.x
  87 *-bsdi2.1|*-bsdi3.?)    opt_bash_malloc=no ; : ${CC:=shlicc2} ;; # for loadable builtins
  88 *-beos*)        opt_bash_malloc=no ;;   # they say it's suitable
  89 *-cygwin*)      opt_bash_malloc=no ;;   # Cygnus's CYGWIN environment
  90 *-opennt*|*-interix*)   opt_bash_malloc=no ;;   # Interix, now owned by Microsoft
  91 esac
  92
  93 # memory scrambling on free()
  94 case "${host_os}" in
  95 sco3.2v5*|sco3.2v4*)    opt_memscramble=no ;;
  96 *)                      opt_memscramble=yes ;;
  97 esac
  98
  99 dnl
 100 dnl macros for the bash debugger
 101 dnl
 102 AM_PATH_LISPDIR
 103 AC_ARG_VAR(DEBUGGER_START_FILE, [location of bash debugger initialization file])
 104
 105 dnl arguments to configure
 106 dnl packages
 107 AC_ARG_WITH(afs, AC_HELP_STRING([--with-afs], [if you are running AFS]), opt_afs=$withval)
 108 AC_ARG_WITH(bash-malloc, AC_HELP_STRING([--with-bash-malloc], [use the Bash version of malloc]), opt_bash_malloc=$withval)
 109 AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
 110 AC_ARG_WITH(gnu-malloc, AC_HELP_STRING([--with-gnu-malloc], [synonym for --with-bash-malloc]), opt_bash_malloc=$withval)
 111 AC_ARG_WITH(installed-readline, AC_HELP_STRING([--with-installed-readline], [use a version of the readline library that is already installed]), opt_with_installed_readline=$withval)
 112 AC_ARG_WITH(purecov, AC_HELP_STRING([--with-purecov], [configure to postprocess with pure coverage]), opt_purecov=$withval)
 113 AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
 114
 115 if test "$opt_bash_malloc" = yes; then
 116         MALLOC_TARGET=malloc
 117         MALLOC_SRC=malloc.c
 118
 119         MALLOC_LIB='-lmalloc'
 120         MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
 121         MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
 122         MALLOC_DEP='$(MALLOC_LIBRARY)'
 123
 124         AC_DEFINE(USING_BASH_MALLOC)
 125 else
 126         MALLOC_LIB=
 127         MALLOC_LIBRARY=
 128         MALLOC_LDFLAGS=
 129         MALLOC_DEP=
 130 fi
 131
 132 if test "$opt_purify" = yes; then
 133         PURIFY="purify "
 134         AC_DEFINE(DISABLE_MALLOC_WRAPPERS)
 135 else
 136         PURIFY=
 137 fi
 138
 139 if test "$opt_purecov" = yes; then
 140         PURIFY="${PURIFY}purecov"
 141 fi
 142
 143 if test "$opt_afs" = yes; then
 144         AC_DEFINE(AFS)
 145 fi
 146
 147 if test "$opt_curses" = yes; then
 148         prefer_curses=yes
 149 fi
 150
 151 if test -z "${DEBUGGER_START_FILE}"; then
 152         DEBUGGER_START_FILE=${ac_default_prefix}/share/bashdb/bashdb-main.inc
 153 fi
 154
 155 dnl optional shell features in config.h.in
 156 opt_minimal_config=no
 157
 158 opt_job_control=yes
 159 opt_alias=yes
 160 opt_readline=yes
 161 opt_history=yes
 162 opt_bang_history=yes
 163 opt_dirstack=yes
 164 opt_restricted=yes
 165 opt_process_subst=yes
 166 opt_prompt_decoding=yes
 167 opt_select=yes
 168 opt_help=yes
 169 opt_array_variables=yes
 170 opt_dparen_arith=yes
 171 opt_extended_glob=yes
 172 opt_brace_expansion=yes
 173 opt_disabled_builtins=no
 174 opt_command_timing=yes
 175 opt_xpg_echo=no
 176 opt_strict_posix=no
 177 opt_cond_command=yes
 178 opt_cond_regexp=yes
 179 opt_arith_for_command=yes
 180 opt_net_redirs=yes
 181 opt_progcomp=yes
 182 opt_separate_help=no
 183 opt_multibyte=yes
 184 opt_debugger=yes
 185 opt_single_longdoc_strings=yes
 186
 187 dnl options that affect how bash is compiled and linked
 188 opt_static_link=no
 189 opt_profiling=no
 190
 191 dnl argument parsing for optional features
 192 AC_ARG_ENABLE(minimal-config, AC_HELP_STRING([--enable-minimal-config], [a minimal sh-like configuration]), opt_minimal_config=$enableval)
 193
 194 dnl a minimal configuration turns everything off, but features can be
 195 dnl added individually
 196 if test $opt_minimal_config = yes; then
 197         opt_job_control=no opt_alias=no opt_readline=no
 198         opt_history=no opt_bang_history=no opt_dirstack=no
 199         opt_restricted=no opt_process_subst=no opt_prompt_decoding=no
 200         opt_select=no opt_help=no opt_array_variables=no opt_dparen_arith=no
 201         opt_brace_expansion=no opt_disabled_builtins=no opt_command_timing=no
 202         opt_extended_glob=no opt_cond_command=no opt_arith_for_command=no
 203         opt_net_redirs=no opt_progcomp=no opt_separate_help=no
 204         opt_multibyte=yes opt_cond_regexp=no
 205 fi
 206
 207 AC_ARG_ENABLE(alias, AC_HELP_STRING([--enable-alias], [enable shell aliases]), opt_alias=$enableval)
 208 AC_ARG_ENABLE(arith-for-command, AC_HELP_STRING([--enable-arith-for-command], [enable arithmetic for command]), opt_arith_for_command=$enableval)
 209 AC_ARG_ENABLE(array-variables, AC_HELP_STRING([--enable-array-variables], [include shell array variables]), opt_array_variables=$enableval)
 210 AC_ARG_ENABLE(bang-history, AC_HELP_STRING([--enable-bang-history], [turn on csh-style history substitution]), opt_bang_history=$enableval)
 211 AC_ARG_ENABLE(brace-expansion, AC_HELP_STRING([--enable-brace-expansion], [include brace expansion]), opt_brace_expansion=$enableval)
 212 AC_ARG_ENABLE(command-timing, AC_HELP_STRING([--enable-command-timing], [enable the time reserved word and command timing]), opt_command_timing=$enableval)
 213 AC_ARG_ENABLE(cond-command, AC_HELP_STRING([--enable-cond-command], [enable the conditional command]), opt_cond_command=$enableval)
 214 AC_ARG_ENABLE(cond-regexp, AC_HELP_STRING([--enable-cond-regexp], [enable extgended regular expression matching in conditional commands]), opt_cond_regexp=$enableval)
 215 AC_ARG_ENABLE(debugger, AC_HELP_STRING([--enable-debugger], [enable support for bash debugger]), opt_debugger=$enableval)
 216 AC_ARG_ENABLE(directory-stack, AC_HELP_STRING([--enable-directory-stack], [enable builtins pushd/popd/dirs]), opt_dirstack=$enableval)
 217 AC_ARG_ENABLE(disabled-builtins, AC_HELP_STRING([--enable-disabled-builtins], [allow disabled builtins to still be invoked]), opt_disabled_builtins=$enableval)
 218 AC_ARG_ENABLE(dparen-arithmetic, AC_HELP_STRING([--enable-dparen-arithmetic], [include ((...)) command]), opt_dparen_arith=$enableval)
 219 AC_ARG_ENABLE(extended-glob, AC_HELP_STRING([--enable-extended-glob], [include ksh-style extended pattern matching]), opt_extended_glob=$enableval)
 220 AC_ARG_ENABLE(help-builtin, AC_HELP_STRING([--enable-help-builtin], [include the help builtin]), opt_help=$enableval)
 221 AC_ARG_ENABLE(history, AC_HELP_STRING([--enable-history], [turn on command history]), opt_history=$enableval)
 222 AC_ARG_ENABLE(job-control, AC_HELP_STRING([--enable-job-control], [enable job control features]), opt_job_control=$enableval)
 223 AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
 224 AC_ARG_ENABLE(net-redirections, AC_HELP_STRING([--enable-net-redirections], [enable /dev/tcp/host/port redirection]), opt_net_redirs=$enableval)
 225 AC_ARG_ENABLE(process-substitution, AC_HELP_STRING([--enable-process-substitution], [enable process substitution]), opt_process_subst=$enableval)
 226 AC_ARG_ENABLE(progcomp, AC_HELP_STRING([--enable-progcomp], [enable programmable completion and the complete builtin]), opt_progcomp=$enableval)
 227 AC_ARG_ENABLE(prompt-string-decoding, AC_HELP_STRING([--enable-prompt-string-decoding], [turn on escape character decoding in prompts]), opt_prompt_decoding=$enableval)
 228 AC_ARG_ENABLE(readline, AC_HELP_STRING([--enable-readline], [turn on command line editing]), opt_readline=$enableval)
 229 AC_ARG_ENABLE(restricted, AC_HELP_STRING([--enable-restricted], [enable a restricted shell]), opt_restricted=$enableval)
 230 AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select], [include select command]), opt_select=$enableval)
 231 AC_ARG_ENABLE(separate-helpfiles, AC_HELP_STRING([--enable-separate-helpfiles], [use external files for help builtin documentation]), opt_separate_help=$enableval)
 232 AC_ARG_ENABLE(single-help-strings, AC_HELP_STRING([--enable-single-help-strings], [store help documentation as a single string to ease translation]), opt_single_longdoc_strings=$enableval)
 233 AC_ARG_ENABLE(strict-posix-default, AC_HELP_STRING([--enable-strict-posix-default], [configure bash to be posix-conformant by default]), opt_strict_posix=$enableval)
 234 AC_ARG_ENABLE(usg-echo-default, AC_HELP_STRING([--enable-usg-echo-default], [a synonym for --enable-xpg-echo-default]), opt_xpg_echo=$enableval)
 235 AC_ARG_ENABLE(xpg-echo-default, AC_HELP_STRING([--enable-xpg-echo-default], [make the echo builtin expand escape sequences by default]), opt_xpg_echo=$enableval)
 236
 237 dnl options that alter how bash is compiled and linked
 238 AC_ARG_ENABLE(mem-scramble, AC_HELP_STRING([--enable-mem-scramble], [scramble memory on calls to malloc and free]), opt_memscramble=$enableval)
 239 AC_ARG_ENABLE(profiling, AC_HELP_STRING([--enable-profiling], [allow profiling with gprof]), opt_profiling=$enableval)
 240 AC_ARG_ENABLE(static-link, AC_HELP_STRING([--enable-static-link], [link bash statically, for use as a root shell]), opt_static_link=$enableval)
 241
 242 dnl opt_job_control is handled later, after BASH_JOB_CONTROL_MISSING runs
 243
 244 dnl opt_readline and opt_history are handled later, because AC_PROG_CC needs
 245 dnl to be run before we can check the version of an already-installed readline
 246 dnl library
 247
 248 if test $opt_alias = yes; then
 249 AC_DEFINE(ALIAS)
 250 fi
 251 if test $opt_dirstack = yes; then
 252 AC_DEFINE(PUSHD_AND_POPD)
 253 fi
 254 if test $opt_restricted = yes; then
 255 AC_DEFINE(RESTRICTED_SHELL)
 256 fi
 257 if test $opt_process_subst = yes; then
 258 AC_DEFINE(PROCESS_SUBSTITUTION)
 259 fi
 260 if test $opt_prompt_decoding = yes; then
 261 AC_DEFINE(PROMPT_STRING_DECODE)
 262 fi
 263 if test $opt_select = yes; then
 264 AC_DEFINE(SELECT_COMMAND)
 265 fi
 266 if test $opt_help = yes; then
 267 AC_DEFINE(HELP_BUILTIN)
 268 fi
 269 if test $opt_array_variables = yes; then
 270 AC_DEFINE(ARRAY_VARS)
 271 fi
 272 if test $opt_dparen_arith = yes; then
 273 AC_DEFINE(DPAREN_ARITHMETIC)
 274 fi
 275 if test $opt_brace_expansion = yes; then
 276 AC_DEFINE(BRACE_EXPANSION)
 277 fi
 278 if test $opt_disabled_builtins = yes; then
 279 AC_DEFINE(DISABLED_BUILTINS)
 280 fi
 281 if test $opt_command_timing = yes; then
 282 AC_DEFINE(COMMAND_TIMING)
 283 fi
 284 if test $opt_xpg_echo = yes ; then
 285 AC_DEFINE(DEFAULT_ECHO_TO_XPG)
 286 fi
 287 if test $opt_strict_posix = yes; then
 288 AC_DEFINE(STRICT_POSIX)
 289 fi
 290 if test $opt_extended_glob = yes ; then
 291 AC_DEFINE(EXTENDED_GLOB)
 292 fi
 293 if test $opt_cond_command = yes ; then
 294 AC_DEFINE(COND_COMMAND)
 295 fi
 296 if test $opt_cond_regexp = yes ; then
 297 AC_DEFINE(COND_REGEXP)
 298 fi
 299 if test $opt_arith_for_command = yes; then
 300 AC_DEFINE(ARITH_FOR_COMMAND)
 301 fi
 302 if test $opt_net_redirs = yes; then
 303 AC_DEFINE(NETWORK_REDIRECTIONS)
 304 fi
 305 if test $opt_progcomp = yes; then
 306 AC_DEFINE(PROGRAMMABLE_COMPLETION)
 307 fi
 308 if test $opt_multibyte = no; then
 309 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
 310 fi
 311 if test $opt_debugger = yes; then
 312 AC_DEFINE(DEBUGGER)
 313 fi
 314
 315 if test $opt_memscramble = yes; then
 316 AC_DEFINE(MEMSCRAMBLE)
 317 fi
 318
 319 if test "$opt_minimal_config" = yes; then
 320         TESTSCRIPT=run-minimal
 321 else
 322         TESTSCRIPT=run-all
 323 fi
 324
 325 HELPDIR= HELPDIRDEFINE= HELPINSTALL=
 326 if test "$opt_separate_help" != no; then
 327         if test "$opt_separate_help" = "yes" ; then
 328                 HELPDIR='${datadir}/bash'
 329         else
 330                 HELPDIR=$opt_separate_help
 331         fi
 332         HELPDIRDEFINE='-H ${HELPDIR}'
 333         HELPINSTALL='install-help'
 334 fi
 335 HELPSTRINGS=
 336 if test "$opt_single_longdoc_strings" != "yes"; then
 337         HELPSTRINGS='-S'
 338 fi
 339
 340 dnl now substitute in the values generated by arguments
 341 AC_SUBST(TESTSCRIPT)
 342 AC_SUBST(PURIFY)
 343 AC_SUBST(MALLOC_TARGET)
 344 AC_SUBST(MALLOC_SRC)
 345
 346 AC_SUBST(MALLOC_LIB)
 347 AC_SUBST(MALLOC_LIBRARY)
 348 AC_SUBST(MALLOC_LDFLAGS)
 349 AC_SUBST(MALLOC_DEP)
 350
 351 AC_SUBST(htmldir)
 352
 353 AC_SUBST(HELPDIR)
 354 AC_SUBST(HELPDIRDEFINE)
 355 AC_SUBST(HELPINSTALL)
 356 AC_SUBST(HELPSTRINGS)
 357
 358 echo ""
 359 echo "Beginning configuration for bash-$BASHVERS-$RELSTATUS for ${host_cpu}-${host_vendor}-${host_os}"
 360 echo ""
 361
 362 dnl compilation checks
 363 dnl AC_PROG_CC sets $cross_compiling to `yes' if cross-compiling for a
 364 dnl different environment
 365 AC_PROG_CC
 366
 367 dnl test for Unix variants
 368 AC_ISC_POSIX
 369 AC_MINIX
 370
 371 AC_SYS_LARGEFILE
 372
 373 dnl BEGIN changes for cross-building (currently cygwin, minGW, and
 374 dnl (obsolete) BeOS)
 375
 376 SIGNAMES_O=
 377 SIGNAMES_H=lsignames.h
 378
 379 dnl load up the cross-building cache file -- add more cases and cache
 380 dnl files as necessary
 381
 382 dnl Note that host and target machine are the same, and different than the
 383 dnl build machine.
 384 dnl Set SIGNAMES_H based on whether or not we're cross-compiling.
 385
 386 CROSS_COMPILE=
 387 if test "x$cross_compiling" = "xyes"; then
 388     case "${host}" in
 389     *-cygwin*)
 390         cross_cache=${srcdir}/cross-build/cygwin32.cache
 391         ;;
 392     *-mingw*)
 393         cross_cache=${srcdir}/cross-build/cygwin32.cache
 394         ;;
 395     i[[3456]]86-*-beos*)
 396         cross_cache=${srcdir}/cross-build/x86-beos.cache
 397         ;;
 398     *)  echo "configure: cross-compiling for $host is not supported" >&2
 399         ;;
 400     esac
 401     if test -n "${cross_cache}" && test -r "${cross_cache}"; then
 402         echo "loading cross-build cache file ${cross_cache}"
 403         . ${cross_cache}
 404     fi
 405     unset cross_cache
 406     SIGNAMES_O='signames.o'
 407     CROSS_COMPILE='-DCROSS_COMPILING'
 408     AC_SUBST(CROSS_COMPILE)
 409 fi
 410 AC_SUBST(SIGNAMES_H)
 411 AC_SUBST(SIGNAMES_O)
 412
 413 if test -z "$CC_FOR_BUILD"; then
 414     if test "x$cross_compiling" = "xno"; then
 415         CC_FOR_BUILD='$(CC)'
 416     else
 417         CC_FOR_BUILD=gcc
 418     fi
 419 fi
 420 AC_SUBST(CC_FOR_BUILD)
 421
 422 dnl END changes for cross-building
 423
 424 dnl We want these before the checks, so the checks can modify their values.
 425 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
 426
 427 dnl If we're using gcc and the user hasn't specified CFLAGS, add -O2 to CFLAGS.
 428 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O2"
 429
 430 dnl handle options that alter how bash is compiled and linked
 431 dnl these must come after the test for cc/gcc
 432 if test "$opt_profiling" = "yes"; then
 433         PROFILE_FLAGS=-pg
 434         case "$host_os" in
 435         solaris2*)      ;;
 436         *)              opt_static_link=yes ;;
 437         esac
 438         DEBUG= MALLOC_DEBUG=
 439 fi
 440
 441 if test "$opt_static_link" = yes; then
 442         # if we're using gcc, add `-static' to LDFLAGS, except on Solaris >= 2
 443         if test -n "$GCC" || test "$ac_cv_prog_gcc" = "yes"; then
 444                 STATIC_LD="-static"
 445                 case "$host_os" in
 446                 solaris2*)      ;;
 447                 *)              LDFLAGS="$LDFLAGS -static" ;;   # XXX experimental
 448                 esac
 449         fi
 450 fi
 451
 452 if test "X$cross_compiling" = "Xno"; then
 453         CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"}
 454         LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(LDFLAGS)'}
 455 else
 456         CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
 457         LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
 458 fi
 459
 460 test -z "$CFLAGS_FOR_BUILD" && CFLAGS_FOR_BUILD="-g"
 461
 462 AC_SUBST(CFLAGS)
 463 AC_SUBST(CPPFLAGS)
 464 AC_SUBST(LDFLAGS)
 465 AC_SUBST(STATIC_LD)
 466
 467 AC_SUBST(CFLAGS_FOR_BUILD)
 468 AC_SUBST(CPPFLAGS_FOR_BUILD)
 469 AC_SUBST(LDFLAGS_FOR_BUILD)
 470
 471 AC_PROG_GCC_TRADITIONAL
 472
 473 dnl BEGIN READLINE and HISTORY LIBRARY SECTION
 474 dnl prepare to allow bash to be linked against an already-installed readline
 475
 476 dnl first test that the readline version is new enough to link bash against
 477 if test "$opt_readline" = yes && test "$opt_with_installed_readline" != "no"
 478 then
 479         # If the user specified --with-installed-readline=PREFIX and PREFIX
 480         # is not `yes', set ac_cv_rl_prefix to PREFIX
 481         test $opt_with_installed_readline != "yes" && ac_cv_rl_prefix=$opt_with_installed_readline
 482
 483         RL_LIB_READLINE_VERSION
 484
 485         case "$ac_cv_rl_version" in
 486         5*|6*|7*|8*|9*) ;;
 487         *)      opt_with_installed_readline=no
 488                 AC_MSG_WARN(installed readline library is too old to be linked with bash)
 489                 AC_MSG_WARN(using private bash version)
 490                 ;;
 491         esac
 492 fi
 493
 494 TILDE_LIB=-ltilde
 495 if test $opt_readline = yes; then
 496         AC_DEFINE(READLINE)
 497         if test "$opt_with_installed_readline" != "no" ; then
 498                 case "$opt_with_installed_readline" in
 499                 yes)    RL_INCLUDE= ;;
 500                 *)      case "$RL_INCLUDEDIR" in
 501                         /usr/include)   ;;
 502                         *)              RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
 503                         esac
 504                         ;;
 505                 esac
 506                 READLINE_DEP=
 507                 READLINE_LIB=-lreadline
 508                 # section for OS versions that don't allow unresolved symbols
 509                 # to be compiled into dynamic libraries.
 510                 case "$host_os" in
 511                 cygwin*)        TILDE_LIB= ;;
 512                 esac
 513         else
 514                 RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 515                 READLINE_DEP='$(READLINE_LIBRARY)'
 516                 # section for OS versions that ship an older/broken version of
 517                 # readline as a standard dynamic library and don't allow a
 518                 # static version specified as -llibname to override the
 519                 # dynamic version
 520                 case "${host_os}" in
 521                 darwin[[89]]*)  READLINE_LIB='${READLINE_LIBRARY}' ;;
 522                 *)              READLINE_LIB=-lreadline ;;
 523                 esac
 524         fi
 525 else
 526         RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 527         READLINE_LIB= READLINE_DEP=
 528 fi
 529 if test $opt_history = yes || test $opt_bang_history = yes; then
 530         if test $opt_history = yes; then
 531                 AC_DEFINE(HISTORY)
 532         fi
 533         if test $opt_bang_history = yes; then
 534                 AC_DEFINE(BANG_HISTORY)
 535         fi
 536         if test "$opt_with_installed_readline" != "no"; then
 537                 HIST_LIBDIR=$RL_LIBDIR
 538                 HISTORY_DEP=
 539                 HISTORY_LIB=-lhistory
 540                 case "$opt_with_installed_readline" in
 541                 yes)    RL_INCLUDE= ;;
 542                 *)      case "$RL_INCLUDEDIR" in
 543                         /usr/include)   ;;
 544                         *)              RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
 545                         esac
 546                         ;;
 547                 esac
 548         else
 549                 HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 550                 HISTORY_DEP='$(HISTORY_LIBRARY)'
 551                 # section for OS versions that ship an older version of
 552                 # readline as a standard dynamic library and don't allow a
 553                 # static version specified as -llibname to override the
 554                 # dynamic version
 555                 case "${host_os}" in
 556                 darwin8*)       HISTORY_LIB='${HISTORY_LIBRARY}' ;;
 557                 *)              HISTORY_LIB=-lhistory ;;
 558                 esac
 559         fi
 560 else
 561         HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 562         HISTORY_LIB= HISTORY_DEP=
 563 fi
 564 AC_SUBST(READLINE_LIB)
 565 AC_SUBST(READLINE_DEP)
 566 AC_SUBST(RL_LIBDIR)
 567 AC_SUBST(RL_INCLUDEDIR)
 568 AC_SUBST(RL_INCLUDE)
 569 AC_SUBST(HISTORY_LIB)
 570 AC_SUBST(HISTORY_DEP)
 571 AC_SUBST(HIST_LIBDIR)
 572 AC_SUBST(TILDE_LIB)
 573
 574 dnl END READLINE and HISTORY LIBRARY SECTION
 575
 576 dnl programs needed by the build and install process
 577 AC_PROG_INSTALL
 578 AC_CHECK_PROG(AR, ar, , ar)
 579 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 580 dnl This allows people to set it when running configure or make
 581 test -n "$ARFLAGS" || ARFLAGS="cr"
 582 AC_PROG_RANLIB
 583 AC_PROG_YACC
 584 AC_PROG_MAKE_SET
 585
 586 case "$host_os" in
 587 opennt*|interix*)       MAKE_SHELL="$INTERIX_ROOT/bin/sh" ;;
 588 *)                      MAKE_SHELL=/bin/sh ;;
 589 esac
 590 AC_SUBST(MAKE_SHELL)
 591
 592 dnl this is similar to the expanded AC_PROG_RANLIB
 593 if test x$SIZE = x; then
 594         if test x$ac_tool_prefix = x; then
 595                 SIZE=size
 596         else
 597                 SIZE=${ac_tool_prefix}size
 598                 save_IFS=$IFS ; IFS=:
 599                 size_found=0
 600                 for dir in $PATH; do
 601                         if test -x $dir/$SIZE ; then
 602                                 size_found=1
 603                                 break
 604                         fi
 605                 done
 606                 if test $size_found -eq 0; then
 607                         SIZE=:
 608                 fi
 609                 IFS=$save_IFS
 610         fi
 611 fi
 612 AC_SUBST(SIZE)
 613
 614 dnl Turn on any extensions available in the GNU C library.
 615 AC_DEFINE(_GNU_SOURCE, 1)
 616
 617 dnl C compiler characteristics
 618 AC_C_CONST
 619 AC_C_INLINE
 620 AC_C_BIGENDIAN
 621 AC_C_STRINGIZE
 622 AC_C_LONG_DOUBLE
 623 AC_C_PROTOTYPES
 624 AC_C_CHAR_UNSIGNED
 625
 626 dnl initialize GNU gettext
 627 AM_GNU_GETTEXT([no-libtool], [need-ngettext], [lib/intl])
 628
 629 dnl header files
 630 AC_HEADER_DIRENT
 631 AC_HEADER_TIME
 632
 633 BASH_HEADER_INTTYPES
 634
 635 AC_CHECK_HEADERS(unistd.h stdlib.h stdarg.h varargs.h limits.h string.h \
 636                  memory.h locale.h termcap.h termio.h termios.h dlfcn.h \
 637                  stddef.h stdint.h netdb.h pwd.h grp.h strings.h regex.h)
 638 AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h \
 639                  sys/resource.h sys/param.h sys/socket.h sys/stat.h \
 640                  sys/time.h sys/times.h sys/types.h sys/wait.h)
 641 AC_CHECK_HEADERS(netinet/in.h arpa/inet.h)
 642
 643 dnl sys/ptem.h requires definitions from sys/stream.h on systems where it
 644 dnl exists
 645 AC_CHECK_HEADER(sys/ptem.h, , ,[[
 646 #if HAVE_SYS_STREAM_H
 647 #  include <sys/stream.h>
 648 #endif
 649 ]])
 650
 651 dnl special checks for libc functions
 652 AC_FUNC_ALLOCA
 653 AC_FUNC_GETPGRP
 654 AC_FUNC_SETVBUF_REVERSED
 655 AC_FUNC_VPRINTF
 656 AC_FUNC_STRCOLL
 657
 658 dnl if we're not using the bash malloc but require the C alloca, set things
 659 dnl up to build a libmalloc.a containing only alloca.o
 660
 661 if test "$ac_cv_func_alloca_works" = "no" && test "$opt_bash_malloc" = "no"; then
 662         MALLOC_TARGET=alloca
 663         MALLOC_SRC=alloca.c
 664
 665         MALLOC_LIB='-lmalloc'
 666         MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
 667         MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
 668         MALLOC_DEP='$(MALLOC_LIBRARY)'
 669 fi
 670
 671 dnl if vprintf is not in libc, see if it's defined in stdio.h
 672 if test "$ac_cv_func_vprintf" = no; then
 673     AC_MSG_CHECKING(for declaration of vprintf in stdio.h)
 674     AC_EGREP_HEADER([[int[      ]*vprintf[^a-zA-Z0-9]]],stdio.h,ac_cv_func_vprintf=yes)
 675     AC_MSG_RESULT($ac_cv_func_vprintf)
 676     if test $ac_cv_func_vprintf = yes; then
 677         AC_DEFINE(HAVE_VPRINTF)
 678     fi
 679 fi
 680
 681 if test "$ac_cv_func_vprintf" = no && test "$ac_cv_func__doprnt" = "yes"; then
 682   AC_LIBOBJ(vprint)
 683 fi
 684
 685 dnl signal stuff
 686 AC_TYPE_SIGNAL
 687
 688 dnl checks for certain version-specific system calls and libc functions
 689 AC_CHECK_FUNC(__setostype, AC_DEFINE(HAVE_SETOSTYPE))
 690 AC_CHECK_FUNC(wait3, AC_DEFINE(HAVE_WAIT3))
 691 AC_CHECK_FUNC(isinf, AC_DEFINE(HAVE_ISINF_IN_LIBC))
 692 AC_CHECK_FUNC(isnan, AC_DEFINE(HAVE_ISNAN_IN_LIBC))
 693
 694 dnl checks for missing libc functions
 695 AC_CHECK_FUNC(mkfifo,AC_DEFINE(HAVE_MKFIFO),AC_DEFINE(MKFIFO_MISSING))
 696
 697 dnl checks for system calls
 698 AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getgroups gethostname \
 699                 getpagesize getpeername getrlimit getrusage gettimeofday \
 700                 kill killpg lstat readlink sbrk select setdtablesize \
 701                 tcgetpgrp uname ulimit waitpid)
 702 AC_REPLACE_FUNCS(rename)
 703
 704 dnl checks for c library functions
 705 AC_CHECK_FUNCS(bcopy bzero confstr fnmatch \
 706                 getaddrinfo gethostbyname getservbyname getservent inet_aton \
 707                 memmove pathconf putenv raise regcomp regexec \
 708                 setenv setlinebuf setlocale setvbuf siginterrupt strchr \
 709                 sysconf tcgetattr times ttyname tzset unsetenv)
 710
 711 AC_CHECK_FUNCS(vsnprintf snprintf vasprintf asprintf)
 712 AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
 713 AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 714 AC_REPLACE_FUNCS(getcwd memset strcasecmp strerror strftime strnlen strpbrk strstr)
 715 AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoimax strtoumax)
 716
 717 AC_CHECK_DECLS([confstr])
 718 AC_CHECK_DECLS([printf])
 719 AC_CHECK_DECLS([sbrk])
 720 AC_CHECK_DECLS([setregid])
 721 AC_CHECK_DECLS([strcpy])
 722 AC_CHECK_DECLS([strsignal])
 723
 724 dnl Extra test to detect the horribly broken HP/UX 11.00 strtold(3)
 725 AC_CHECK_DECLS([strtold], [
 726     AC_MSG_CHECKING([for broken strtold])
 727     AC_CACHE_VAL(bash_cv_strtold_broken,
 728         [AC_TRY_COMPILE(
 729             [#include <stdlib.h>],
 730             [int main() { long double r; char *foo, bar; r = strtold(foo, &bar);}],
 731             bash_cv_strtold_broken=no, bash_cv_strtold_broken=yes,
 732             [AC_MSG_WARN(cannot check for broken strtold if cross-compiling, defaulting to no)])
 733         ]
 734     )
 735     AC_MSG_RESULT($bash_cv_strtold_broken)
 736     if test "$bash_cv_strtold_broken" = "yes" ; then
 737         AC_DEFINE(STRTOLD_BROKEN)
 738     fi
 739 ])
 740
 741
 742 BASH_CHECK_DECL(strtoimax)
 743 BASH_CHECK_DECL(strtol)
 744 BASH_CHECK_DECL(strtoll)
 745 BASH_CHECK_DECL(strtoul)
 746 BASH_CHECK_DECL(strtoull)
 747 BASH_CHECK_DECL(strtoumax)
 748
 749 AC_FUNC_MKTIME
 750
 751 dnl
 752 dnl Checks for lib/intl and related code (uses some of the output from
 753 dnl AM_GNU_GETTEXT)
 754 dnl
 755
 756 AC_CHECK_HEADERS([argz.h errno.h fcntl.h malloc.h stdio_ext.h])
 757
 758 dnl AC_FUNC_MALLOC
 759 AC_FUNC_MMAP
 760 AC_CHECK_FUNCS([__argz_count __argz_next __argz_stringify dcgettext mempcpy \
 761                 munmap stpcpy strcspn strdup])
 762
 763 INTL_DEP= INTL_INC= LIBINTL_H=
 764 if test "x$USE_INCLUDED_LIBINTL" = "xyes"; then
 765         INTL_DEP='${INTL_LIBDIR}/libintl.a'
 766         INTL_INC='-I${INTL_LIBSRC} -I${INTL_BUILDDIR}'
 767         LIBINTL_H='${INTL_BUILDDIR}/libintl.h'
 768 fi
 769 AC_SUBST(INTL_DEP)
 770 AC_SUBST(INTL_INC)
 771 AC_SUBST(LIBINTL_H)
 772
 773 dnl
 774 dnl End of checks needed by files in lib/intl
 775 dnl
 776
 777 BASH_CHECK_MULTIBYTE
 778
 779 dnl checks for the dynamic loading library functions in libc and libdl
 780 if test "$opt_static_link" != yes; then
 781 AC_CHECK_LIB(dl, dlopen)
 782 AC_CHECK_FUNCS(dlopen dlclose dlsym)
 783 fi
 784
 785 dnl this defines SYS_SIGLIST_DECLARED
 786 AC_DECL_SYS_SIGLIST
 787
 788 dnl network functions -- check for inet_aton again
 789 if test "$ac_cv_func_inet_aton" != 'yes'; then
 790 BASH_FUNC_INET_ATON
 791 fi
 792
 793 dnl libraries
 794 dnl this is reportedly no longer necessary for irix[56].?
 795 case "$host_os" in
 796 irix4*) AC_CHECK_LIB(sun, getpwent) ;;
 797 esac
 798
 799 dnl check for getpeername in the socket library only if it's not in libc
 800 if test "$ac_cv_func_getpeername" = no; then
 801         BASH_CHECK_LIB_SOCKET
 802 fi
 803 dnl check for gethostbyname in socket libraries if it's not in libc
 804 if test "$ac_cv_func_gethostbyname" = no; then
 805         BASH_FUNC_GETHOSTBYNAME
 806 fi
 807
 808 dnl system types
 809 AC_TYPE_GETGROUPS
 810 AC_TYPE_OFF_T
 811 AC_TYPE_MODE_T
 812 AC_TYPE_UID_T
 813 AC_TYPE_PID_T
 814 AC_TYPE_SIZE_T
 815 AC_CHECK_TYPE(ssize_t, int)
 816 AC_CHECK_TYPE(time_t, long)
 817
 818 BASH_TYPE_LONG_LONG
 819 BASH_TYPE_UNSIGNED_LONG_LONG
 820
 821 AC_TYPE_SIGNAL
 822
 823 AC_CHECK_SIZEOF(char, 1)
 824 AC_CHECK_SIZEOF(short, 2)
 825 AC_CHECK_SIZEOF(int, 4)
 826 AC_CHECK_SIZEOF(long, 4)
 827 AC_CHECK_SIZEOF(char *, 4)
 828 AC_CHECK_SIZEOF(double, 8)
 829 AC_CHECK_SIZEOF([long long], 8)
 830
 831 AC_CHECK_TYPE(u_int, [unsigned int])
 832 AC_CHECK_TYPE(u_long, [unsigned long])
 833
 834 BASH_TYPE_BITS16_T
 835 BASH_TYPE_U_BITS16_T
 836 BASH_TYPE_BITS32_T
 837 BASH_TYPE_U_BITS32_T
 838 BASH_TYPE_BITS64_T
 839
 840 BASH_TYPE_PTRDIFF_T
 841
 842 dnl structures
 843 AC_HEADER_STAT
 844
 845 dnl system services
 846 AC_SYS_INTERPRETER
 847 if test $ac_cv_sys_interpreter = yes; then
 848 AC_DEFINE(HAVE_HASH_BANG_EXEC)
 849 fi
 850
 851 dnl Miscellaneous Bash tests
 852 if test "$ac_cv_func_lstat" = "no"; then
 853 BASH_FUNC_LSTAT
 854 fi
 855
 856 dnl behavior of system calls and library functions
 857 BASH_FUNC_CTYPE_NONASCII
 858 BASH_FUNC_DUP2_CLOEXEC_CHECK
 859 BASH_SYS_PGRP_SYNC
 860 BASH_SYS_SIGNAL_VINTAGE
 861
 862 dnl checking for the presence of certain library symbols
 863 BASH_SYS_ERRLIST
 864 BASH_SYS_SIGLIST
 865 BASH_UNDER_SYS_SIGLIST
 866
 867 dnl various system types
 868 BASH_TYPE_SIGHANDLER
 869 BASH_CHECK_TYPE(clock_t, [#include <sys/times.h>], long)
 870 BASH_CHECK_TYPE(sigset_t, [#include <signal.h>], int)
 871 BASH_CHECK_TYPE(quad_t, , long, HAVE_QUAD_T)
 872 BASH_CHECK_TYPE(intmax_t, , $bash_cv_type_long_long)
 873 BASH_CHECK_TYPE(uintmax_t, , $bash_cv_type_unsigned_long_long)
 874 if test "$ac_cv_header_sys_socket_h" = "yes"; then
 875 BASH_CHECK_TYPE(socklen_t, [#include <sys/socket.h>], int, HAVE_SOCKLEN_T)
 876 fi
 877 BASH_TYPE_RLIMIT
 878
 879 dnl presence and contents of structures used by system calls
 880 BASH_STRUCT_TERMIOS_LDISC
 881 BASH_STRUCT_TERMIO_LDISC
 882 BASH_STRUCT_DIRENT_D_INO
 883 BASH_STRUCT_DIRENT_D_FILENO
 884 BASH_STRUCT_DIRENT_D_NAMLEN
 885 BASH_STRUCT_WINSIZE
 886 BASH_STRUCT_TIMEVAL
 887 AC_CHECK_MEMBERS([struct stat.st_blocks])
 888 AC_STRUCT_TM
 889 AC_STRUCT_TIMEZONE
 890 BASH_STRUCT_TIMEZONE
 891
 892 dnl presence and behavior of C library functions
 893 BASH_FUNC_STRSIGNAL
 894 BASH_FUNC_OPENDIR_CHECK
 895 BASH_FUNC_ULIMIT_MAXFDS
 896 BASH_FUNC_GETENV
 897 if test "$ac_cv_func_getcwd" = "yes"; then
 898 BASH_FUNC_GETCWD
 899 fi
 900 BASH_FUNC_POSIX_SETJMP
 901 BASH_FUNC_STRCOLL
 902
 903 dnl If putenv or unsetenv is not present, set the right define so the
 904 dnl prototype and declaration in lib/sh/getenv.c will be standard-conformant
 905
 906 if test "$ac_cv_func_putenv" = "yes"; then
 907 BASH_FUNC_STD_PUTENV
 908 else
 909 AC_DEFINE(HAVE_STD_PUTENV)
 910 fi
 911 if test "$ac_cv_func_unsetenv" = "yes"; then
 912 BASH_FUNC_STD_UNSETENV
 913 else
 914 AC_DEFINE(HAVE_STD_UNSETENV)
 915 fi
 916
 917 BASH_FUNC_PRINTF_A_FORMAT
 918
 919 dnl presence and behavior of OS functions
 920 BASH_SYS_REINSTALL_SIGHANDLERS
 921 BASH_SYS_JOB_CONTROL_MISSING
 922 BASH_SYS_NAMED_PIPES
 923
 924 dnl presence of certain CPP defines
 925 AC_HEADER_TIOCGWINSZ
 926 BASH_HAVE_TIOCSTAT
 927 BASH_HAVE_FIONREAD
 928
 929 BASH_CHECK_WCONTINUED
 930
 931 dnl miscellaneous
 932 BASH_CHECK_SPEED_T
 933 BASH_CHECK_GETPW_FUNCS
 934 BASH_CHECK_RTSIGS
 935 BASH_CHECK_SYS_SIGLIST
 936
 937 dnl special checks
 938 case "$host_os" in
 939 hpux*)  BASH_CHECK_KERNEL_RLIMIT ;;
 940 esac
 941
 942 if test "$opt_readline" = yes; then
 943 dnl yuck
 944 case "$host_os" in
 945 aix*)   prefer_curses=yes ;;
 946 esac
 947 BASH_CHECK_LIB_TERMCAP
 948 fi
 949 AC_SUBST(TERMCAP_LIB)
 950 AC_SUBST(TERMCAP_DEP)
 951
 952 BASH_CHECK_DEV_FD
 953 BASH_CHECK_DEV_STDIN
 954 BASH_SYS_DEFAULT_MAIL_DIR
 955
 956 if test "$bash_cv_job_control_missing" = missing; then
 957         opt_job_control=no
 958 fi
 959
 960 if test "$opt_job_control" = yes; then
 961 AC_DEFINE(JOB_CONTROL)
 962 JOBS_O=jobs.o
 963 else
 964 JOBS_O=nojobs.o
 965 fi
 966
 967 AC_SUBST(JOBS_O)
 968
 969 dnl Defines that we want to propagate to the Makefiles in subdirectories,
 970 dnl like glob and readline
 971
 972 LOCAL_DEFS=-DSHELL
 973
 974 dnl use this section to possibly define more cpp variables, specify local
 975 dnl libraries, and specify any additional local cc flags
 976 dnl
 977 dnl this should really go away someday
 978
 979 case "${host_os}" in
 980 sysv4.2*)       AC_DEFINE(SVR4_2)
 981                 AC_DEFINE(SVR4) ;;
 982 sysv4*)         AC_DEFINE(SVR4) ;;
 983 sysv5*)         AC_DEFINE(SVR5) ;;
 984 hpux9*)         LOCAL_CFLAGS="-DHPUX9 -DHPUX" ;;
 985 hpux*)          LOCAL_CFLAGS=-DHPUX ;;
 986 dgux*)          LOCAL_CFLAGS=-D_DGUX_SOURCE; LOCAL_LIBS=-ldgc ;;
 987 isc*)           LOCAL_CFLAGS=-Disc386 ;;
 988 rhapsody*)      LOCAL_CFLAGS=-DRHAPSODY ;;
 989 darwin*)        LOCAL_CFLAGS=-DMACOSX ;;
 990 sco3.2v5*)      LOCAL_CFLAGS="-b elf -DWAITPID_BROKEN -DPATH_MAX=1024" ;;
 991 sco3.2v4*)      LOCAL_CFLAGS="-DMUST_UNBLOCK_CHLD -DPATH_MAX=1024" ;;
 992 sco3.2*)        LOCAL_CFLAGS=-DMUST_UNBLOCK_CHLD ;;
 993 sunos4*)        LOCAL_CFLAGS=-DSunOS4 ;;
 994 solaris2.5*)    LOCAL_CFLAGS="-DSunOS5 -DSOLARIS" ;;
 995 solaris2*)      LOCAL_CFLAGS=-DSOLARIS ;;
 996 lynxos*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
 997 linux*)         LOCAL_LDFLAGS=-rdynamic          # allow dynamic loading
 998                 case "`uname -r`" in
 999                 2.[[456789]]*|3*)       AC_DEFINE(PGRP_PIPE) ;;
1000                 esac ;;
1001 *qnx6*)         LOCAL_CFLAGS="-Dqnx -Dqnx6" LOCAL_LIBS="-lncurses" ;;
1002 *qnx*)          LOCAL_CFLAGS="-Dqnx -F -3s" LOCAL_LDFLAGS="-3s" LOCAL_LIBS="-lunix -lncurses" ;;
1003 powerux*)       LOCAL_LIBS="-lgen" ;;
1004 cygwin*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
1005 opennt*|interix*) LOCAL_CFLAGS="-DNO_MAIN_ENV_ARG -DBROKEN_DIRENT_D_INO -D_POSIX_SOURCE" ;;
1006 esac
1007
1008 dnl Stanza for OS/compiler pair-specific flags
1009 case "${host_os}-${CC}" in
1010 aix4.2*-*gcc*)  LOCAL_LDFLAGS="-Xlinker -bexpall -Xlinker -brtl" ;;
1011 aix4.2*)        LOCAL_LDFLAGS="-bexpall -brtl" ;;
1012 bsdi4*-*gcc*)   LOCAL_LDFLAGS="-rdynamic" ;;    # allow dynamic loading, like Linux
1013 esac
1014
1015 dnl FreeBSD-3.x can have either a.out or ELF
1016 case "${host_os}" in
1017 freebsd[[3-9]]*)
1018                 if test -x /usr/bin/objformat && test "`/usr/bin/objformat`" = "elf" ; then
1019                         LOCAL_LDFLAGS=-rdynamic # allow dynamic loading
1020                 fi ;;
1021 freebsdelf*)    LOCAL_LDFLAGS=-rdynamic ;;      # allow dynamic loading
1022 dragonfly*)     LOCAL_LDFLAGS=-rdynamic ;;      # allow dynamic loading
1023 esac
1024
1025 case "$host_cpu" in
1026 *cray*)         LOCAL_CFLAGS="-DCRAY" ;; # shell var so config.h can use it
1027 esac
1028
1029 case "$host_cpu-$host_os" in
1030 ibmrt-*bsd4*)   LOCAL_CFLAGS="-ma -U__STDC__" ;;
1031 esac
1032
1033 case "$host_cpu-$host_vendor-$host_os" in
1034 m88k-motorola-sysv3)    LOCAL_CFLAGS=-DWAITPID_BROKEN ;;
1035 mips-pyramid-sysv4)     LOCAL_CFLAGS=-Xa ;;
1036 esac
1037
1038 #
1039 # Shared object configuration section.  These values are generated by
1040 # ${srcdir}/support/shobj-conf
1041 #
1042 if test "$ac_cv_func_dlopen" = "yes" && test -f ${srcdir}/support/shobj-conf
1043 then
1044         AC_MSG_CHECKING(shared object configuration for loadable builtins)
1045         eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c "${host_cpu}" -o "${host_os}" -v "${host_vendor}"`
1046         AC_SUBST(SHOBJ_CC)
1047         AC_SUBST(SHOBJ_CFLAGS)
1048         AC_SUBST(SHOBJ_LD)
1049         AC_SUBST(SHOBJ_LDFLAGS)
1050         AC_SUBST(SHOBJ_XLDFLAGS)
1051         AC_SUBST(SHOBJ_LIBS)
1052         AC_SUBST(SHOBJ_STATUS)
1053         AC_MSG_RESULT($SHOBJ_STATUS)
1054 fi
1055
1056 # try to create a directory tree if the source is elsewhere
1057 # this should be packaged into a script accessible via ${srcdir}/support
1058 case "$srcdir" in
1059 .)      ;;
1060 *)      for d in doc tests support lib examples; do     # dirs
1061                 test -d $d || mkdir $d
1062         done
1063         for ld in readline glob tilde malloc sh termcap; do     # libdirs
1064                 test -d lib/$ld || mkdir lib/$ld
1065         done
1066         test -d examples/loadables || mkdir examples/loadables  # loadable builtins
1067         test -d examples/loadables/perl || mkdir examples/loadables/perl
1068         ;;
1069 esac
1070
1071 BUILD_DIR=`pwd`
1072 case "$BUILD_DIR" in
1073 *\ *)   BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
1074 *)      ;;
1075 esac
1076
1077 AC_SUBST(PROFILE_FLAGS)
1078
1079 AC_SUBST(incdir)
1080 AC_SUBST(BUILD_DIR)
1081
1082 AC_SUBST(YACC)
1083 AC_SUBST(AR)
1084 AC_SUBST(ARFLAGS)
1085
1086 AC_SUBST(BASHVERS)
1087 AC_SUBST(RELSTATUS)
1088 AC_SUBST(DEBUG)
1089 AC_SUBST(MALLOC_DEBUG)
1090
1091 AC_SUBST(host_cpu)
1092 AC_SUBST(host_vendor)
1093 AC_SUBST(host_os)
1094
1095 AC_SUBST(LOCAL_LIBS)
1096 AC_SUBST(LOCAL_CFLAGS)
1097 AC_SUBST(LOCAL_LDFLAGS)
1098 AC_SUBST(LOCAL_DEFS)
1099
1100 #AC_SUBST(ALLOCA_SOURCE)
1101 #AC_SUBST(ALLOCA_OBJECT)
1102
1103 AC_OUTPUT([Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile \
1104           lib/intl/Makefile \
1105           lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile \
1106           lib/tilde/Makefile doc/Makefile support/Makefile po/Makefile.in \
1107           examples/loadables/Makefile examples/loadables/perl/Makefile \
1108           pathnames.h],
1109 [
1110 # Makefile uses this timestamp file to record whether config.h is up to date.
1111 echo timestamp > stamp-h
1112 ])