configure.ac

   1 dnl
   2 dnl Configure script for bash-4.3
   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) 1987-2013 Free Software Foundation, Inc.
   9
  10 #
  11 #   This program is free software: you can redistribute it and/or modify
  12 #   it under the terms of the GNU General Public License as published by
  13 #   the Free Software Foundation, either version 3 of the License, or
  14 #   (at your option) any later version.
  15 #
  16 #   This program is distributed in the hope that it will be useful,
  17 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 #   GNU General Public License for more details.
  20 #
  21 #   You should have received a copy of the GNU General Public License
  22 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 AC_REVISION([for Bash 4.3, version 4.056])dnl
  25
  26 define(bashvers, 4.3)
  27 define(relstatus, alpha)
  28
  29 AC_INIT([bash], bashvers-relstatus, [bug-bash@gnu.org])
  30
  31 dnl make sure we are using a recent autoconf version
  32 AC_PREREQ(2.61)
  33
  34 AC_CONFIG_SRCDIR(shell.h)
  35 dnl where to find install.sh, config.sub, and config.guess
  36 AC_CONFIG_AUX_DIR(./support)
  37 AC_CONFIG_HEADERS(config.h)
  38
  39 dnl checks for version info
  40 BASHVERS=bashvers
  41 RELSTATUS=relstatus
  42
  43 dnl defaults for debug settings
  44 case "$RELSTATUS" in
  45 alp*|bet*|dev*|rc*|maint*)      DEBUG='-DDEBUG' MALLOC_DEBUG='-DMALLOC_DEBUG' ;;
  46 *)      DEBUG= MALLOC_DEBUG= ;;
  47 esac
  48
  49 dnl canonicalize the host and os so we can do some tricky things before
  50 dnl parsing options
  51 AC_CANONICAL_HOST
  52 AC_CANONICAL_BUILD
  53
  54 dnl configure defaults
  55 opt_bash_malloc=yes
  56 opt_purify=no
  57 opt_purecov=no
  58 opt_afs=no
  59 opt_curses=no
  60 opt_with_installed_readline=no
  61
  62 #htmldir=
  63
  64 dnl some systems should be configured without the bash malloc by default
  65 dnl and some need a special compiler or loader
  66 dnl look in the NOTES file for more
  67 case "${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 *-mirbsd*)      opt_bash_malloc=no ;;   # they claim it needs eight-bit alignment
  80 *-aix*)         opt_bash_malloc=no ;;   # AIX machines
  81 *-nextstep*)    opt_bash_malloc=no ;;   # NeXT machines running NeXTstep
  82 *-openstep*)    opt_bash_malloc=no ;;   # i386/Sparc/HP machines running Openstep
  83 *-macos*)       opt_bash_malloc=no ;;   # Apple MacOS X
  84 *-rhapsody*)    opt_bash_malloc=no ;;   # Apple Rhapsody (MacOS X)
  85 *-darwin*)      opt_bash_malloc=no ;;   # Apple Darwin (MacOS X)
  86 *-dgux*)        opt_bash_malloc=no ;;   # DG/UX machines
  87 *-qnx*)         opt_bash_malloc=no ;;   # QNX 4.2, QNX 6.x
  88 *-machten4)     opt_bash_malloc=no ;;   # MachTen 4.x
  89 *-bsdi2.1|*-bsdi3.?)    opt_bash_malloc=no ; : ${CC:=shlicc2} ;; # for loadable builtins
  90 *-beos*)        opt_bash_malloc=no ;;   # they say it's suitable
  91 *-cygwin*)      opt_bash_malloc=no ;;   # Cygnus's CYGWIN environment
  92 *-opennt*|*-interix*)   opt_bash_malloc=no ;;   # Interix, now owned by Microsoft
  93 *-nsk*)         opt_bash_malloc=no ;;   # HP NonStop
  94 esac
  95
  96 # memory scrambling on free()
  97 case "${host_os}" in
  98 sco3.2v5*|sco3.2v4*)    opt_memscramble=no ;;
  99 *)                      opt_memscramble=yes ;;
 100 esac
 101
 102 dnl
 103 dnl macros for the bash debugger
 104 dnl
 105 dnl AM_PATH_LISPDIR
 106 AC_ARG_VAR(DEBUGGER_START_FILE, [location of bash debugger initialization file])
 107
 108 dnl arguments to configure
 109 dnl packages
 110 AC_ARG_WITH(afs, AC_HELP_STRING([--with-afs], [if you are running AFS]), opt_afs=$withval)
 111 AC_ARG_WITH(bash-malloc, AC_HELP_STRING([--with-bash-malloc], [use the Bash version of malloc]), opt_bash_malloc=$withval)
 112 AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
 113 AC_ARG_WITH(gnu-malloc, AC_HELP_STRING([--with-gnu-malloc], [synonym for --with-bash-malloc]), opt_bash_malloc=$withval)
 114 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=$withval)
 115 AC_ARG_WITH(purecov, AC_HELP_STRING([--with-purecov], [configure to postprocess with pure coverage]), opt_purecov=$withval)
 116 AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
 117
 118 if test "$opt_bash_malloc" = yes; then
 119         MALLOC_TARGET=malloc
 120         MALLOC_SRC=malloc.c
 121
 122         MALLOC_LIB='-lmalloc'
 123         MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
 124         MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
 125         MALLOC_DEP='$(MALLOC_LIBRARY)'
 126
 127         AC_DEFINE(USING_BASH_MALLOC)
 128 else
 129         MALLOC_LIB=
 130         MALLOC_LIBRARY=
 131         MALLOC_LDFLAGS=
 132         MALLOC_DEP=
 133 fi
 134
 135 if test "$opt_purify" = yes; then
 136         PURIFY="purify "
 137         AC_DEFINE(DISABLE_MALLOC_WRAPPERS)
 138 else
 139         PURIFY=
 140 fi
 141
 142 if test "$opt_purecov" = yes; then
 143         PURIFY="${PURIFY}purecov"
 144 fi
 145
 146 if test "$opt_afs" = yes; then
 147         AC_DEFINE(AFS)
 148 fi
 149
 150 if test "$opt_curses" = yes; then
 151         prefer_curses=yes
 152 fi
 153
 154 if test -z "${DEBUGGER_START_FILE}"; then
 155         DEBUGGER_START_FILE='${datadir}/bashdb/bashdb-main.inc'
 156 fi
 157
 158 dnl optional shell features in config.h.in
 159 opt_minimal_config=no
 160
 161 opt_job_control=yes
 162 opt_alias=yes
 163 opt_readline=yes
 164 opt_history=yes
 165 opt_bang_history=yes
 166 opt_dirstack=yes
 167 opt_restricted=yes
 168 opt_process_subst=yes
 169 opt_prompt_decoding=yes
 170 opt_select=yes
 171 opt_help=yes
 172 opt_array_variables=yes
 173 opt_dparen_arith=yes
 174 opt_extended_glob=yes
 175 opt_brace_expansion=yes
 176 opt_disabled_builtins=no
 177 opt_command_timing=yes
 178 opt_xpg_echo=no
 179 opt_strict_posix=no
 180 opt_cond_command=yes
 181 opt_cond_regexp=yes
 182 opt_coproc=yes
 183 opt_arith_for_command=yes
 184 opt_net_redirs=yes
 185 opt_progcomp=yes
 186 opt_separate_help=no
 187 opt_multibyte=yes
 188 opt_debugger=yes
 189 opt_single_longdoc_strings=yes
 190 opt_casemod_attrs=yes
 191 opt_casemod_expansions=yes
 192 opt_extglob_default=no
 193 opt_dircomplete_expand_default=no
 194
 195 dnl options that affect how bash is compiled and linked
 196 opt_static_link=no
 197 opt_profiling=no
 198
 199 dnl argument parsing for optional features
 200 AC_ARG_ENABLE(minimal-config, AC_HELP_STRING([--enable-minimal-config], [a minimal sh-like configuration]), opt_minimal_config=$enableval)
 201
 202 dnl a minimal configuration turns everything off, but features can be
 203 dnl added individually
 204 if test $opt_minimal_config = yes; then
 205         opt_job_control=no opt_alias=no opt_readline=no
 206         opt_history=no opt_bang_history=no opt_dirstack=no
 207         opt_restricted=no opt_process_subst=no opt_prompt_decoding=no
 208         opt_select=no opt_help=no opt_array_variables=no opt_dparen_arith=no
 209         opt_brace_expansion=no opt_disabled_builtins=no opt_command_timing=no
 210         opt_extended_glob=no opt_cond_command=no opt_arith_for_command=no
 211         opt_net_redirs=no opt_progcomp=no opt_separate_help=no
 212         opt_multibyte=yes opt_cond_regexp=no opt_coproc=no
 213         opt_casemod_attrs=no opt_casemod_expansions=no opt_extglob_default=no
 214 fi
 215
 216 AC_ARG_ENABLE(alias, AC_HELP_STRING([--enable-alias], [enable shell aliases]), opt_alias=$enableval)
 217 AC_ARG_ENABLE(arith-for-command, AC_HELP_STRING([--enable-arith-for-command], [enable arithmetic for command]), opt_arith_for_command=$enableval)
 218 AC_ARG_ENABLE(array-variables, AC_HELP_STRING([--enable-array-variables], [include shell array variables]), opt_array_variables=$enableval)
 219 AC_ARG_ENABLE(bang-history, AC_HELP_STRING([--enable-bang-history], [turn on csh-style history substitution]), opt_bang_history=$enableval)
 220 AC_ARG_ENABLE(brace-expansion, AC_HELP_STRING([--enable-brace-expansion], [include brace expansion]), opt_brace_expansion=$enableval)
 221 AC_ARG_ENABLE(casemod-attributes, AC_HELP_STRING([--enable-casemod-attributes], [include case-modifying variable attributes]), opt_casemod_attrs=$enableval)
 222 AC_ARG_ENABLE(casemod-expansions, AC_HELP_STRING([--enable-casemod-expansions], [include case-modifying word expansions]), opt_casemod_expansions=$enableval)
 223 AC_ARG_ENABLE(command-timing, AC_HELP_STRING([--enable-command-timing], [enable the time reserved word and command timing]), opt_command_timing=$enableval)
 224 AC_ARG_ENABLE(cond-command, AC_HELP_STRING([--enable-cond-command], [enable the conditional command]), opt_cond_command=$enableval)
 225 AC_ARG_ENABLE(cond-regexp, AC_HELP_STRING([--enable-cond-regexp], [enable extended regular expression matching in conditional commands]), opt_cond_regexp=$enableval)
 226 AC_ARG_ENABLE(coprocesses, AC_HELP_STRING([--enable-coprocesses], [enable coprocess support and the coproc reserved word]), opt_coproc=$enableval)
 227 AC_ARG_ENABLE(debugger, AC_HELP_STRING([--enable-debugger], [enable support for bash debugger]), opt_debugger=$enableval)
 228 AC_ARG_ENABLE(direxpand-default, AC_HELP_STRING([--enable-direxpand-default], [enable the direxpand shell option by default]), opt_dircomplete_expand_default=$enableval)
 229 AC_ARG_ENABLE(directory-stack, AC_HELP_STRING([--enable-directory-stack], [enable builtins pushd/popd/dirs]), opt_dirstack=$enableval)
 230 AC_ARG_ENABLE(disabled-builtins, AC_HELP_STRING([--enable-disabled-builtins], [allow disabled builtins to still be invoked]), opt_disabled_builtins=$enableval)
 231 AC_ARG_ENABLE(dparen-arithmetic, AC_HELP_STRING([--enable-dparen-arithmetic], [include ((...)) command]), opt_dparen_arith=$enableval)
 232 AC_ARG_ENABLE(extended-glob, AC_HELP_STRING([--enable-extended-glob], [include ksh-style extended pattern matching]), opt_extended_glob=$enableval)
 233 AC_ARG_ENABLE(extended-glob-default, AC_HELP_STRING([--enable-extended-glob-default], [force extended pattern matching to be enabled by default]), opt_extglob_default=$enableval)
 234 AC_ARG_ENABLE(help-builtin, AC_HELP_STRING([--enable-help-builtin], [include the help builtin]), opt_help=$enableval)
 235 AC_ARG_ENABLE(history, AC_HELP_STRING([--enable-history], [turn on command history]), opt_history=$enableval)
 236 AC_ARG_ENABLE(job-control, AC_HELP_STRING([--enable-job-control], [enable job control features]), opt_job_control=$enableval)
 237 AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
 238 AC_ARG_ENABLE(net-redirections, AC_HELP_STRING([--enable-net-redirections], [enable /dev/tcp/host/port redirection]), opt_net_redirs=$enableval)
 239 AC_ARG_ENABLE(process-substitution, AC_HELP_STRING([--enable-process-substitution], [enable process substitution]), opt_process_subst=$enableval)
 240 AC_ARG_ENABLE(progcomp, AC_HELP_STRING([--enable-progcomp], [enable programmable completion and the complete builtin]), opt_progcomp=$enableval)
 241 AC_ARG_ENABLE(prompt-string-decoding, AC_HELP_STRING([--enable-prompt-string-decoding], [turn on escape character decoding in prompts]), opt_prompt_decoding=$enableval)
 242 AC_ARG_ENABLE(readline, AC_HELP_STRING([--enable-readline], [turn on command line editing]), opt_readline=$enableval)
 243 AC_ARG_ENABLE(restricted, AC_HELP_STRING([--enable-restricted], [enable a restricted shell]), opt_restricted=$enableval)
 244 AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select], [include select command]), opt_select=$enableval)
 245 AC_ARG_ENABLE(separate-helpfiles, AC_HELP_STRING([--enable-separate-helpfiles], [use external files for help builtin documentation]), opt_separate_help=$enableval)
 246 AC_ARG_ENABLE(single-help-strings, AC_HELP_STRING([--enable-single-help-strings], [store help documentation as a single string to ease translation]), opt_single_longdoc_strings=$enableval)
 247 AC_ARG_ENABLE(strict-posix-default, AC_HELP_STRING([--enable-strict-posix-default], [configure bash to be posix-conformant by default]), opt_strict_posix=$enableval)
 248 AC_ARG_ENABLE(usg-echo-default, AC_HELP_STRING([--enable-usg-echo-default], [a synonym for --enable-xpg-echo-default]), opt_xpg_echo=$enableval)
 249 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=$enableval)
 250
 251 dnl options that alter how bash is compiled and linked
 252 AC_ARG_ENABLE(mem-scramble, AC_HELP_STRING([--enable-mem-scramble], [scramble memory on calls to malloc and free]), opt_memscramble=$enableval)
 253 AC_ARG_ENABLE(profiling, AC_HELP_STRING([--enable-profiling], [allow profiling with gprof]), opt_profiling=$enableval)
 254 AC_ARG_ENABLE(static-link, AC_HELP_STRING([--enable-static-link], [link bash statically, for use as a root shell]), opt_static_link=$enableval)
 255
 256 dnl So-called `precious' variables
 257 AC_ARG_VAR([CC_FOR_BUILD], [C compiler used when compiling binaries used only at build time])
 258 AC_ARG_VAR([CFLAGS_FOR_BUILD], [Compliation options (CFLAGS) used when compiling binaries used only at build time])
 259 AC_ARG_VAR([LDFLAGS_FOR_BUILD], [Linker options (LDFLAGS) used when compiling binaries used only at build time])
 260 AC_ARG_VAR([CPPFLAGS_FOR_BUILD], [C preprocessor options (CPPFLAGS) used when compiling binaries used only at build time])
 261
 262 dnl opt_job_control is handled later, after BASH_JOB_CONTROL_MISSING runs
 263
 264 dnl opt_readline and opt_history are handled later, because AC_PROG_CC needs
 265 dnl to be run before we can check the version of an already-installed readline
 266 dnl library
 267
 268 if test $opt_alias = yes; then
 269 AC_DEFINE(ALIAS)
 270 fi
 271 if test $opt_dirstack = yes; then
 272 AC_DEFINE(PUSHD_AND_POPD)
 273 fi
 274 if test $opt_restricted = yes; then
 275 AC_DEFINE(RESTRICTED_SHELL)
 276 fi
 277 if test $opt_process_subst = yes; then
 278 AC_DEFINE(PROCESS_SUBSTITUTION)
 279 fi
 280 if test $opt_prompt_decoding = yes; then
 281 AC_DEFINE(PROMPT_STRING_DECODE)
 282 fi
 283 if test $opt_select = yes; then
 284 AC_DEFINE(SELECT_COMMAND)
 285 fi
 286 if test $opt_help = yes; then
 287 AC_DEFINE(HELP_BUILTIN)
 288 fi
 289 if test $opt_array_variables = yes; then
 290 AC_DEFINE(ARRAY_VARS)
 291 fi
 292 if test $opt_dparen_arith = yes; then
 293 AC_DEFINE(DPAREN_ARITHMETIC)
 294 fi
 295 if test $opt_brace_expansion = yes; then
 296 AC_DEFINE(BRACE_EXPANSION)
 297 fi
 298 if test $opt_disabled_builtins = yes; then
 299 AC_DEFINE(DISABLED_BUILTINS)
 300 fi
 301 if test $opt_command_timing = yes; then
 302 AC_DEFINE(COMMAND_TIMING)
 303 fi
 304 if test $opt_xpg_echo = yes ; then
 305 AC_DEFINE(DEFAULT_ECHO_TO_XPG)
 306 fi
 307 if test $opt_strict_posix = yes; then
 308 AC_DEFINE(STRICT_POSIX)
 309 fi
 310 if test $opt_extended_glob = yes ; then
 311 AC_DEFINE(EXTENDED_GLOB)
 312 fi
 313 if test $opt_extglob_default = yes; then
 314 AC_DEFINE(EXTGLOB_DEFAULT, 1)
 315 else
 316 AC_DEFINE(EXTGLOB_DEFAULT, 0)
 317 fi
 318 if test $opt_cond_command = yes ; then
 319 AC_DEFINE(COND_COMMAND)
 320 fi
 321 if test $opt_cond_regexp = yes ; then
 322 AC_DEFINE(COND_REGEXP)
 323 fi
 324 if test $opt_coproc = yes; then
 325 AC_DEFINE(COPROCESS_SUPPORT)
 326 fi
 327 if test $opt_arith_for_command = yes; then
 328 AC_DEFINE(ARITH_FOR_COMMAND)
 329 fi
 330 if test $opt_net_redirs = yes; then
 331 AC_DEFINE(NETWORK_REDIRECTIONS)
 332 fi
 333 if test $opt_progcomp = yes; then
 334 AC_DEFINE(PROGRAMMABLE_COMPLETION)
 335 fi
 336 if test $opt_multibyte = no; then
 337 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
 338 fi
 339 if test $opt_debugger = yes; then
 340 AC_DEFINE(DEBUGGER)
 341 fi
 342 if test $opt_casemod_attrs = yes; then
 343 AC_DEFINE(CASEMOD_ATTRS)
 344 fi
 345 if test $opt_casemod_expansions = yes; then
 346 AC_DEFINE(CASEMOD_EXPANSIONS)
 347 fi
 348 if test $opt_dircomplete_expand_default = yes; then
 349 AC_DEFINE(DIRCOMPLETE_EXPAND_DEFAULT)
 350 fi
 351
 352 if test $opt_memscramble = yes; then
 353 AC_DEFINE(MEMSCRAMBLE)
 354 fi
 355
 356 if test "$opt_minimal_config" = yes; then
 357         TESTSCRIPT=run-minimal
 358 else
 359         TESTSCRIPT=run-all
 360 fi
 361
 362 HELPDIR= HELPDIRDEFINE= HELPINSTALL= HELPFILES_TARGET=
 363 if test "$opt_separate_help" != no; then
 364         if test "$opt_separate_help" = "yes" ; then
 365                 HELPDIR='${datadir}/bash'
 366         else
 367                 HELPDIR=$opt_separate_help
 368         fi
 369         HELPDIRDEFINE='-H ${HELPDIR}'
 370         HELPINSTALL='install-help'
 371         HELPFILES_TARGET='helpdoc'
 372 fi
 373 HELPSTRINGS=
 374 if test "$opt_single_longdoc_strings" != "yes"; then
 375         HELPSTRINGS='-S'
 376 fi
 377
 378 dnl now substitute in the values generated by arguments
 379 AC_SUBST(TESTSCRIPT)
 380 AC_SUBST(PURIFY)
 381 AC_SUBST(MALLOC_TARGET)
 382 AC_SUBST(MALLOC_SRC)
 383
 384 AC_SUBST(MALLOC_LIB)
 385 AC_SUBST(MALLOC_LIBRARY)
 386 AC_SUBST(MALLOC_LDFLAGS)
 387 AC_SUBST(MALLOC_DEP)
 388
 389 AC_SUBST(htmldir)
 390
 391 AC_SUBST(HELPDIR)
 392 AC_SUBST(HELPDIRDEFINE)
 393 AC_SUBST(HELPINSTALL)
 394 AC_SUBST(HELPFILES_TARGET)
 395 AC_SUBST(HELPSTRINGS)
 396
 397 echo ""
 398 echo "Beginning configuration for bash-$BASHVERS-$RELSTATUS for ${host_cpu}-${host_vendor}-${host_os}"
 399 echo ""
 400
 401 dnl compilation checks
 402 dnl AC_PROG_CC sets $cross_compiling to `yes' if cross-compiling for a
 403 dnl different environment
 404 AC_PROG_CC
 405
 406 dnl test for Unix variants
 407 AC_ISC_POSIX
 408 AC_MINIX
 409
 410 AC_SYS_LARGEFILE
 411
 412 dnl BEGIN changes for cross-building (currently cygwin, minGW, and
 413 dnl (obsolete) BeOS)
 414
 415 SIGNAMES_O=
 416 SIGNAMES_H=lsignames.h
 417
 418 dnl load up the cross-building cache file -- add more cases and cache
 419 dnl files as necessary
 420
 421 dnl Note that host and target machine are the same, and different than the
 422 dnl build machine.
 423 dnl Set SIGNAMES_H based on whether or not we're cross-compiling.
 424
 425 CROSS_COMPILE=
 426 if test "x$cross_compiling" = "xyes"; then
 427     case "${host}" in
 428     *-cygwin*)
 429         cross_cache=${srcdir}/cross-build/cygwin32.cache
 430         ;;
 431     *-mingw*)
 432         cross_cache=${srcdir}/cross-build/cygwin32.cache
 433         ;;
 434     i[[3456]]86-*-beos*)
 435         cross_cache=${srcdir}/cross-build/x86-beos.cache
 436         ;;
 437     *)  echo "configure: cross-compiling for $host is not supported" >&2
 438         ;;
 439     esac
 440     if test -n "${cross_cache}" && test -r "${cross_cache}"; then
 441         echo "loading cross-build cache file ${cross_cache}"
 442         . ${cross_cache}
 443     fi
 444     unset cross_cache
 445     SIGNAMES_O='signames.o'
 446     CROSS_COMPILE='-DCROSS_COMPILING'
 447     AC_SUBST(CROSS_COMPILE)
 448 fi
 449 AC_SUBST(SIGNAMES_H)
 450 AC_SUBST(SIGNAMES_O)
 451
 452 dnl END changes for cross-building
 453
 454 dnl We want these before the checks, so the checks can modify their values.
 455 if test -z "$CFLAGS"; then
 456         AUTO_CFLAGS="-g ${GCC+-O2}"
 457         AUTO_LDFLAGS="-g ${GCC+-O2}"
 458 else
 459         AUTO_CFLAGS= AUTO_LDFLAGS=
 460 fi
 461
 462 dnl default values
 463 CFLAGS=${CFLAGS-"$AUTO_CFLAGS"}
 464 # LDFLAGS=${LDFLAGS="$AUTO_LDFLAGS"}    # XXX
 465
 466 dnl handle options that alter how bash is compiled and linked
 467 dnl these must come after the test for cc/gcc
 468 if test "$opt_profiling" = "yes"; then
 469         PROFILE_FLAGS=-pg
 470         case "$host_os" in
 471         solaris2*)      ;;
 472         *)              opt_static_link=yes ;;
 473         esac
 474         DEBUG= MALLOC_DEBUG=
 475 fi
 476
 477 prefer_shared=yes
 478 prefer_static=no
 479
 480 if test "$opt_static_link" = yes; then
 481         prefer_static=yes
 482         prefer_shared=no
 483         # if we're using gcc, add `-static' to LDFLAGS, except on Solaris >= 2
 484         if test -n "$GCC" || test "$ac_cv_prog_gcc" = "yes"; then
 485                 STATIC_LD="-static"
 486                 case "$host_os" in
 487                 solaris2*)      ;;
 488                 *)              LDFLAGS="$LDFLAGS -static" ;;   # XXX experimental
 489                 esac
 490         fi
 491 fi
 492
 493 # set the appropriate make variables for building the "build tools"
 494 # modify defaults based on whether or not we are cross compiling, since the
 495 # options for the target host may not be appropriate for the build host
 496 if test "X$cross_compiling" = "Xno"; then
 497         CC_FOR_BUILD=${CC_FOR_BUILD-'$(CC)'}
 498         CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"}    # XXX - should it be '$(CPPFLAGS)'
 499         LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(LDFLAGS)'}
 500         # CFLAGS set above to default value if not passed in environment
 501         CFLAGS_FOR_BUILD=${CFLAGS-'$(CFLAGS)'}
 502         LIBS_FOR_BUILD=${LIBS_FOR_BUILD-'$(LIBS)'}
 503 else
 504         CC_FOR_BUILD=${CC_FOR_BUILD-"gcc"}
 505         CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
 506         LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
 507         CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD="-g"}
 508         LIBS_FOR_BUILD=${LIBS_FOR_BUILD-""}
 509 fi
 510
 511 AC_SUBST(CFLAGS)
 512 AC_SUBST(CPPFLAGS)
 513 AC_SUBST(LDFLAGS)
 514 AC_SUBST(STATIC_LD)
 515
 516 AC_SUBST(CC_FOR_BUILD)
 517 AC_SUBST(CFLAGS_FOR_BUILD)
 518 AC_SUBST(CPPFLAGS_FOR_BUILD)
 519 AC_SUBST(LDFLAGS_FOR_BUILD)
 520 AC_SUBST(LIBS_FOR_BUILD)
 521
 522 AC_PROG_GCC_TRADITIONAL
 523
 524 dnl BEGIN READLINE and HISTORY LIBRARY SECTION
 525 dnl prepare to allow bash to be linked against an already-installed readline
 526
 527 dnl first test that the readline version is new enough to link bash against
 528 if test "$opt_readline" = yes && test "$opt_with_installed_readline" != "no"
 529 then
 530         # If the user specified --with-installed-readline=PREFIX and PREFIX
 531         # is not `yes', set ac_cv_rl_prefix to PREFIX
 532         test $opt_with_installed_readline != "yes" && ac_cv_rl_prefix=$opt_with_installed_readline
 533
 534         RL_LIB_READLINE_VERSION
 535
 536         case "$ac_cv_rl_version" in
 537         5*|6*|7*|8*|9*) ;;
 538         *)      opt_with_installed_readline=no
 539                 AC_MSG_WARN([installed readline library is too old to be linked with bash])
 540                 AC_MSG_WARN([using private bash version])
 541                 ;;
 542         esac
 543 fi
 544
 545 TILDE_LIB=-ltilde
 546 if test $opt_readline = yes; then
 547         AC_DEFINE(READLINE)
 548         if test "$opt_with_installed_readline" != "no" ; then
 549                 case "$opt_with_installed_readline" in
 550                 yes)    RL_INCLUDE= ;;
 551                 *)      case "$RL_INCLUDEDIR" in
 552                         /usr/include)   ;;
 553                         *)              RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
 554                         esac
 555                         ;;
 556                 esac
 557                 READLINE_DEP=
 558                 READLINE_LIB=-lreadline
 559                 # section for OS versions that don't allow unresolved symbols
 560                 # to be compiled into dynamic libraries.
 561                 case "$host_os" in
 562                 cygwin*)        TILDE_LIB= ;;
 563                 esac
 564         else
 565                 RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 566                 READLINE_DEP='$(READLINE_LIBRARY)'
 567                 # section for OS versions that ship an older/broken version of
 568                 # readline as a standard dynamic library and don't allow a
 569                 # static version specified as -llibname to override the
 570                 # dynamic version
 571                 case "${host_os}" in
 572                 darwin[[89]]*|darwin10*) READLINE_LIB='${READLINE_LIBRARY}' ;;
 573                 *)              READLINE_LIB=-lreadline ;;
 574                 esac
 575         fi
 576 else
 577         RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 578         READLINE_LIB= READLINE_DEP=
 579 fi
 580 if test $opt_history = yes || test $opt_bang_history = yes; then
 581         if test $opt_history = yes; then
 582                 AC_DEFINE(HISTORY)
 583         fi
 584         if test $opt_bang_history = yes; then
 585                 AC_DEFINE(BANG_HISTORY)
 586         fi
 587         if test "$opt_with_installed_readline" != "no"; then
 588                 HIST_LIBDIR=$RL_LIBDIR
 589                 HISTORY_DEP=
 590                 HISTORY_LIB=-lhistory
 591                 case "$opt_with_installed_readline" in
 592                 yes)    RL_INCLUDE= ;;
 593                 *)      case "$RL_INCLUDEDIR" in
 594                         /usr/include)   ;;
 595                         *)              RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
 596                         esac
 597                         ;;
 598                 esac
 599         else
 600                 HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 601                 HISTORY_DEP='$(HISTORY_LIBRARY)'
 602                 # section for OS versions that ship an older version of
 603                 # readline as a standard dynamic library and don't allow a
 604                 # static version specified as -llibname to override the
 605                 # dynamic version
 606                 case "${host_os}" in
 607                 darwin[[89]]*|darwin10*) HISTORY_LIB='${HISTORY_LIBRARY}' ;;
 608                 *)              HISTORY_LIB=-lhistory ;;
 609                 esac
 610         fi
 611 else
 612         HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 613         HISTORY_LIB= HISTORY_DEP=
 614 fi
 615 AC_SUBST(READLINE_LIB)
 616 AC_SUBST(READLINE_DEP)
 617 AC_SUBST(RL_LIBDIR)
 618 AC_SUBST(RL_INCLUDEDIR)
 619 AC_SUBST(RL_INCLUDE)
 620 AC_SUBST(HISTORY_LIB)
 621 AC_SUBST(HISTORY_DEP)
 622 AC_SUBST(HIST_LIBDIR)
 623 AC_SUBST(TILDE_LIB)
 624
 625 dnl END READLINE and HISTORY LIBRARY SECTION
 626
 627 dnl programs needed by the build and install process
 628 AC_PROG_INSTALL
 629 AC_CHECK_TOOL(AR, ar)
 630 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 631 dnl This allows people to set it when running configure or make
 632 test -n "$ARFLAGS" || ARFLAGS="cr"
 633 AC_PROG_RANLIB
 634 AC_PROG_YACC
 635 AC_PROG_MAKE_SET
 636
 637 case "$host_os" in
 638 opennt*|interix*)       MAKE_SHELL="$INTERIX_ROOT/bin/sh" ;;
 639 *)                      MAKE_SHELL=/bin/sh ;;
 640 esac
 641 AC_SUBST(MAKE_SHELL)
 642
 643 dnl this is similar to the expanded AC_PROG_RANLIB
 644 if test x$SIZE = x; then
 645         if test x$ac_tool_prefix = x; then
 646                 SIZE=size
 647         else
 648                 SIZE=${ac_tool_prefix}size
 649                 save_IFS=$IFS ; IFS=:
 650                 size_found=0
 651                 for dir in $PATH; do
 652                         if test -x $dir/$SIZE ; then
 653                                 size_found=1
 654                                 break
 655                         fi
 656                 done
 657                 if test $size_found -eq 0; then
 658                         SIZE=:
 659                 fi
 660                 IFS=$save_IFS
 661         fi
 662 fi
 663 AC_SUBST(SIZE)
 664
 665 m4_include([m4/stat-time.m4])
 666 m4_include([m4/timespec.m4])
 667
 668 dnl Turn on any extensions available in the GNU C library.
 669 AC_DEFINE(_GNU_SOURCE, 1)
 670
 671 dnl C compiler characteristics
 672 AC_C_CONST
 673 AC_C_INLINE
 674 AC_C_BIGENDIAN
 675 AC_C_STRINGIZE
 676 AC_C_LONG_DOUBLE
 677 AC_C_PROTOTYPES
 678 AC_C_CHAR_UNSIGNED
 679 AC_C_VOLATILE
 680 AC_C_RESTRICT
 681
 682 dnl initialize GNU gettext
 683 AM_GNU_GETTEXT([no-libtool], [need-ngettext], [lib/intl])
 684
 685 dnl header files
 686 AC_HEADER_DIRENT
 687 AC_HEADER_TIME
 688
 689 BASH_HEADER_INTTYPES
 690
 691 AC_CHECK_HEADERS(unistd.h stdlib.h stdarg.h varargs.h limits.h string.h \
 692                  memory.h locale.h termcap.h termio.h termios.h dlfcn.h \
 693                  stdbool.h stddef.h stdint.h netdb.h pwd.h grp.h strings.h \
 694                  regex.h syslog.h ulimit.h)
 695 AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h \
 696                  sys/resource.h sys/param.h sys/socket.h sys/stat.h \
 697                  sys/time.h sys/times.h sys/types.h sys/wait.h)
 698 AC_CHECK_HEADERS(netinet/in.h arpa/inet.h)
 699
 700 dnl sys/ptem.h requires definitions from sys/stream.h on systems where it
 701 dnl exists
 702 AC_CHECK_HEADER(sys/ptem.h, , ,[[
 703 #if HAVE_SYS_STREAM_H
 704 #  include <sys/stream.h>
 705 #endif
 706 ]])
 707
 708 dnl special checks for libc functions
 709 AC_FUNC_ALLOCA
 710 AC_FUNC_GETPGRP
 711 AC_FUNC_SETVBUF_REVERSED
 712 AC_FUNC_VPRINTF
 713 AC_FUNC_STRCOLL
 714
 715 dnl if we're not using the bash malloc but require the C alloca, set things
 716 dnl up to build a libmalloc.a containing only alloca.o
 717
 718 if test "$ac_cv_func_alloca_works" = "no" && test "$opt_bash_malloc" = "no"; then
 719         MALLOC_TARGET=alloca
 720         MALLOC_SRC=alloca.c
 721
 722         MALLOC_LIB='-lmalloc'
 723         MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
 724         MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
 725         MALLOC_DEP='$(MALLOC_LIBRARY)'
 726 fi
 727
 728 dnl if vprintf is not in libc, see if it's defined in stdio.h
 729 if test "$ac_cv_func_vprintf" = no; then
 730     AC_MSG_CHECKING(for declaration of vprintf in stdio.h)
 731     AC_EGREP_HEADER([[int[      ]*vprintf[^a-zA-Z0-9]]],stdio.h,ac_cv_func_vprintf=yes)
 732     AC_MSG_RESULT($ac_cv_func_vprintf)
 733     if test $ac_cv_func_vprintf = yes; then
 734         AC_DEFINE(HAVE_VPRINTF)
 735     fi
 736 fi
 737
 738 if test "$ac_cv_func_vprintf" = no && test "$ac_cv_func__doprnt" = "yes"; then
 739   AC_LIBOBJ(vprint)
 740 fi
 741
 742 dnl signal stuff
 743 AC_TYPE_SIGNAL
 744
 745 dnl checks for certain version-specific system calls and libc functions
 746 AC_CHECK_FUNC(__setostype, AC_DEFINE(HAVE_SETOSTYPE))
 747 AC_CHECK_FUNC(wait3, AC_DEFINE(HAVE_WAIT3))
 748
 749 dnl checks for missing libc functions
 750 AC_CHECK_FUNC(mkfifo,AC_DEFINE(HAVE_MKFIFO),AC_DEFINE(MKFIFO_MISSING))
 751
 752 dnl checks for system calls
 753 AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getgroups gethostname \
 754                 getpagesize getpeername getrlimit getrusage gettimeofday \
 755                 kill killpg lstat readlink sbrk select setdtablesize \
 756                 setitimer tcgetpgrp uname ulimit waitpid)
 757 AC_REPLACE_FUNCS(rename)
 758
 759 dnl checks for c library functions
 760 AC_CHECK_FUNCS(bcopy bzero confstr faccessat fnmatch \
 761                 getaddrinfo gethostbyname getservbyname getservent inet_aton \
 762                 imaxdiv memmove pathconf putenv raise regcomp regexec \
 763                 setenv setlinebuf setlocale setvbuf siginterrupt strchr \
 764                 sysconf syslog tcgetattr times ttyname tzset unsetenv)
 765
 766 AC_CHECK_FUNCS(vasprintf asprintf)
 767 AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
 768 AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 769 AC_REPLACE_FUNCS(getcwd memset)
 770 AC_REPLACE_FUNCS(strcasecmp strcasestr strerror strftime strnlen strpbrk strstr)
 771 AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoimax strtoumax)
 772 AC_REPLACE_FUNCS(dprintf)
 773 AC_REPLACE_FUNCS(strchrnul)
 774
 775 AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]])
 776
 777 AC_CHECK_DECLS([confstr])
 778 AC_CHECK_DECLS([printf])
 779 AC_CHECK_DECLS([sbrk])
 780 AC_CHECK_DECLS([setregid])
 781 AC_CHECK_DECLS([strcpy])
 782 AC_CHECK_DECLS([strsignal])
 783
 784 dnl Extra test to detect the horribly broken HP/UX 11.00 strtold(3)
 785 AC_CHECK_DECLS([strtold], [
 786     AC_MSG_CHECKING([for broken strtold])
 787     AC_CACHE_VAL(bash_cv_strtold_broken,
 788         [AC_TRY_COMPILE(
 789             [#include <stdlib.h>],
 790             [int main() { long double r; char *foo, bar; r = strtold(foo, &bar);}],
 791             bash_cv_strtold_broken=no, bash_cv_strtold_broken=yes,
 792             [AC_MSG_WARN(cannot check for broken strtold if cross-compiling, defaulting to no)])
 793         ]
 794     )
 795     AC_MSG_RESULT($bash_cv_strtold_broken)
 796     if test "$bash_cv_strtold_broken" = "yes" ; then
 797         AC_DEFINE(STRTOLD_BROKEN)
 798     fi
 799 ])
 800
 801 BASH_CHECK_DECL(strtoimax)
 802 BASH_CHECK_DECL(strtol)
 803 BASH_CHECK_DECL(strtoll)
 804 BASH_CHECK_DECL(strtoul)
 805 BASH_CHECK_DECL(strtoull)
 806 BASH_CHECK_DECL(strtoumax)
 807
 808 AC_FUNC_MKTIME
 809
 810 dnl
 811 dnl Checks for lib/intl and related code (uses some of the output from
 812 dnl AM_GNU_GETTEXT)
 813 dnl
 814
 815 AC_CHECK_HEADERS([argz.h errno.h fcntl.h malloc.h stdio_ext.h])
 816
 817 dnl AC_FUNC_MALLOC
 818 AC_FUNC_MMAP
 819 AC_CHECK_FUNCS([__argz_count __argz_next __argz_stringify dcgettext mempcpy \
 820                 munmap stpcpy strcspn strdup])
 821
 822 INTL_DEP= INTL_INC= LIBINTL_H=
 823 if test "x$USE_INCLUDED_LIBINTL" = "xyes"; then
 824         INTL_DEP='${INTL_LIBDIR}/libintl.a'
 825         INTL_INC='-I${INTL_LIBSRC} -I${INTL_BUILDDIR}'
 826         LIBINTL_H='${INTL_BUILDDIR}/libintl.h'
 827 fi
 828 AC_SUBST(INTL_DEP)
 829 AC_SUBST(INTL_INC)
 830 AC_SUBST(LIBINTL_H)
 831
 832 dnl
 833 dnl End of checks needed by files in lib/intl
 834 dnl
 835
 836 BASH_CHECK_MULTIBYTE
 837
 838 dnl checks for the dynamic loading library functions in libc and libdl
 839 if test "$opt_static_link" != yes; then
 840 AC_CHECK_LIB(dl, dlopen)
 841 AC_CHECK_FUNCS(dlopen dlclose dlsym)
 842 fi
 843
 844 dnl this defines HAVE_DECL_SYS_SIGLIST
 845 AC_DECL_SYS_SIGLIST
 846
 847 dnl network functions -- check for inet_aton again
 848 if test "$ac_cv_func_inet_aton" != 'yes'; then
 849 BASH_FUNC_INET_ATON
 850 fi
 851
 852 dnl libraries
 853 dnl this is reportedly no longer necessary for irix[56].?
 854 case "$host_os" in
 855 irix4*) AC_CHECK_LIB(sun, getpwent) ;;
 856 esac
 857
 858 dnl check for getpeername in the socket library only if it's not in libc
 859 if test "$ac_cv_func_getpeername" = no; then
 860         BASH_CHECK_LIB_SOCKET
 861 fi
 862 dnl check for gethostbyname in socket libraries if it's not in libc
 863 if test "$ac_cv_func_gethostbyname" = no; then
 864         BASH_FUNC_GETHOSTBYNAME
 865 fi
 866
 867 dnl system types
 868 AC_TYPE_GETGROUPS
 869 AC_TYPE_OFF_T
 870 AC_TYPE_MODE_T
 871 AC_TYPE_UID_T
 872 AC_TYPE_PID_T
 873 AC_TYPE_SIZE_T
 874 AC_CHECK_TYPE(ssize_t, int)
 875 AC_CHECK_TYPE(time_t, long)
 876
 877 BASH_TYPE_LONG_LONG
 878 BASH_TYPE_UNSIGNED_LONG_LONG
 879
 880 AC_TYPE_SIGNAL
 881 BASH_TYPE_SIG_ATOMIC_T
 882
 883 AC_CHECK_SIZEOF(char, 1)
 884 AC_CHECK_SIZEOF(short, 2)
 885 AC_CHECK_SIZEOF(int, 4)
 886 AC_CHECK_SIZEOF(long, 4)
 887 AC_CHECK_SIZEOF(char *, 4)
 888 AC_CHECK_SIZEOF(double, 8)
 889 AC_CHECK_SIZEOF([long long], 8)
 890
 891 AC_CHECK_TYPE(u_int, [unsigned int])
 892 AC_CHECK_TYPE(u_long, [unsigned long])
 893
 894 BASH_TYPE_BITS16_T
 895 BASH_TYPE_U_BITS16_T
 896 BASH_TYPE_BITS32_T
 897 BASH_TYPE_U_BITS32_T
 898 BASH_TYPE_BITS64_T
 899
 900 BASH_TYPE_PTRDIFF_T
 901
 902 dnl structures
 903 AC_HEADER_STAT
 904
 905 dnl system services
 906 AC_SYS_INTERPRETER
 907 if test $ac_cv_sys_interpreter = yes; then
 908 AC_DEFINE(HAVE_HASH_BANG_EXEC)
 909 fi
 910
 911 dnl Miscellaneous Bash tests
 912 if test "$ac_cv_func_lstat" = "no"; then
 913 BASH_FUNC_LSTAT
 914 fi
 915
 916 dnl behavior of system calls and library functions
 917 BASH_FUNC_CTYPE_NONASCII
 918 BASH_FUNC_DUP2_CLOEXEC_CHECK
 919 BASH_SYS_PGRP_SYNC
 920 BASH_SYS_SIGNAL_VINTAGE
 921
 922 dnl checking for the presence of certain library symbols
 923 BASH_SYS_ERRLIST
 924 BASH_SYS_SIGLIST
 925 BASH_UNDER_SYS_SIGLIST
 926
 927 dnl various system types
 928 BASH_TYPE_SIGHANDLER
 929 BASH_CHECK_TYPE(clock_t, [#include <sys/times.h>], long)
 930 BASH_CHECK_TYPE(sigset_t, [#include <signal.h>], int)
 931 BASH_CHECK_TYPE(sig_atomic_t, [#include <signal.h>], int)
 932 BASH_CHECK_TYPE(quad_t, , long, HAVE_QUAD_T)
 933 BASH_CHECK_TYPE(intmax_t, , $bash_cv_type_long_long)
 934 BASH_CHECK_TYPE(uintmax_t, , $bash_cv_type_unsigned_long_long)
 935 if test "$ac_cv_header_sys_socket_h" = "yes"; then
 936 BASH_CHECK_TYPE(socklen_t, [#include <sys/socket.h>], int, HAVE_SOCKLEN_T)
 937 fi
 938 BASH_TYPE_RLIMIT
 939
 940 AC_CHECK_SIZEOF(intmax_t, 8)
 941
 942 dnl presence and contents of structures used by system calls
 943 BASH_STRUCT_TERMIOS_LDISC
 944 BASH_STRUCT_TERMIO_LDISC
 945 BASH_STRUCT_DIRENT_D_INO
 946 BASH_STRUCT_DIRENT_D_FILENO
 947 BASH_STRUCT_DIRENT_D_NAMLEN
 948 BASH_STRUCT_WINSIZE
 949 BASH_STRUCT_TIMEVAL
 950 AC_CHECK_MEMBERS([struct stat.st_blocks])
 951 AC_STRUCT_TM
 952 AC_STRUCT_TIMEZONE
 953 BASH_STRUCT_TIMEZONE
 954
 955 BASH_STRUCT_WEXITSTATUS_OFFSET
 956
 957 BASH_CHECK_TYPE_STRUCT_TIMESPEC
 958 BASH_STAT_TIME
 959
 960 dnl presence and behavior of C library functions
 961 BASH_FUNC_STRSIGNAL
 962 BASH_FUNC_OPENDIR_CHECK
 963 BASH_FUNC_ULIMIT_MAXFDS
 964 BASH_FUNC_FPURGE
 965 BASH_FUNC_GETENV
 966 if test "$ac_cv_func_getcwd" = "yes"; then
 967 BASH_FUNC_GETCWD
 968 fi
 969 BASH_FUNC_POSIX_SETJMP
 970 BASH_FUNC_STRCOLL
 971 BASH_FUNC_SNPRINTF
 972 BASH_FUNC_VSNPRINTF
 973
 974 dnl If putenv or unsetenv is not present, set the right define so the
 975 dnl prototype and declaration in lib/sh/getenv.c will be standard-conformant
 976
 977 if test "$ac_cv_func_putenv" = "yes"; then
 978 BASH_FUNC_STD_PUTENV
 979 else
 980 AC_DEFINE(HAVE_STD_PUTENV)
 981 fi
 982 if test "$ac_cv_func_unsetenv" = "yes"; then
 983 BASH_FUNC_STD_UNSETENV
 984 else
 985 AC_DEFINE(HAVE_STD_UNSETENV)
 986 fi
 987
 988 BASH_FUNC_PRINTF_A_FORMAT
 989
 990 dnl presence and behavior of OS functions
 991 BASH_SYS_REINSTALL_SIGHANDLERS
 992 BASH_SYS_JOB_CONTROL_MISSING
 993 BASH_SYS_NAMED_PIPES
 994
 995 dnl presence of certain CPP defines
 996 AC_HEADER_TIOCGWINSZ
 997 BASH_HAVE_TIOCSTAT
 998 BASH_HAVE_FIONREAD
 999
1000 BASH_CHECK_WCONTINUED
1001
1002 dnl miscellaneous
1003 BASH_CHECK_SPEED_T
1004 BASH_CHECK_GETPW_FUNCS
1005 BASH_CHECK_RTSIGS
1006 BASH_CHECK_SYS_SIGLIST
1007
1008 dnl special checks
1009 case "$host_os" in
1010 hpux*)  BASH_CHECK_KERNEL_RLIMIT ;;
1011 esac
1012
1013 if test "$opt_readline" = yes; then
1014 dnl yuck
1015 case "$host_os" in
1016 aix*)   prefer_curses=yes ;;
1017 esac
1018 BASH_CHECK_LIB_TERMCAP
1019 fi
1020 AC_SUBST(TERMCAP_LIB)
1021 AC_SUBST(TERMCAP_DEP)
1022
1023 BASH_CHECK_DEV_FD
1024 BASH_CHECK_DEV_STDIN
1025 BASH_SYS_DEFAULT_MAIL_DIR
1026
1027 if test "$bash_cv_job_control_missing" = missing; then
1028         opt_job_control=no
1029 fi
1030
1031 if test "$opt_job_control" = yes; then
1032 AC_DEFINE(JOB_CONTROL)
1033 JOBS_O=jobs.o
1034 else
1035 JOBS_O=nojobs.o
1036 fi
1037
1038 AC_SUBST(JOBS_O)
1039
1040 dnl Defines that we want to propagate to the Makefiles in subdirectories,
1041 dnl like glob and readline
1042
1043 LOCAL_DEFS=-DSHELL
1044
1045 dnl use this section to possibly define more cpp variables, specify local
1046 dnl libraries, and specify any additional local cc or ld flags
1047 dnl
1048 dnl this should really go away someday
1049
1050 case "${host_os}" in
1051 sysv4.2*)       AC_DEFINE(SVR4_2)
1052                 AC_DEFINE(SVR4) ;;
1053 sysv4*)         AC_DEFINE(SVR4) ;;
1054 sysv5*)         AC_DEFINE(SVR5) ;;
1055 hpux9*)         LOCAL_CFLAGS="-DHPUX9 -DHPUX" ;;
1056 hpux*)          LOCAL_CFLAGS=-DHPUX ;;
1057 dgux*)          LOCAL_CFLAGS=-D_DGUX_SOURCE; LOCAL_LIBS=-ldgc ;;
1058 isc*)           LOCAL_CFLAGS=-Disc386 ;;
1059 rhapsody*)      LOCAL_CFLAGS=-DRHAPSODY ;;
1060 darwin*)        LOCAL_CFLAGS=-DMACOSX ;;
1061 sco3.2v5*)      LOCAL_CFLAGS="-b elf -DWAITPID_BROKEN -DPATH_MAX=1024" ;;
1062 sco3.2v4*)      LOCAL_CFLAGS="-DMUST_UNBLOCK_CHLD -DPATH_MAX=1024" ;;
1063 sco3.2*)        LOCAL_CFLAGS=-DMUST_UNBLOCK_CHLD ;;
1064 sunos4*)        LOCAL_CFLAGS=-DSunOS4 ;;
1065 solaris2.5*)    LOCAL_CFLAGS="-DSunOS5 -DSOLARIS" ;;
1066 solaris2.8*)    LOCAL_CFLAGS=-DSOLARIS  ;;
1067 solaris2.9*)    LOCAL_CFLAGS=-DSOLARIS  ;;
1068 solaris2.10*)   LOCAL_CFLAGS=-DSOLARIS  ;;
1069 solaris2*)      LOCAL_CFLAGS=-DSOLARIS ;;
1070 lynxos*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
1071 linux*)         LOCAL_LDFLAGS=-rdynamic          # allow dynamic loading
1072                 case "`uname -r`" in
1073                 2.[[456789]]*|3*)       AC_DEFINE(PGRP_PIPE) ;;
1074                 esac ;;
1075 *qnx6*)         LOCAL_CFLAGS="-Dqnx -Dqnx6" LOCAL_LIBS="-lncurses" ;;
1076 *qnx*)          LOCAL_CFLAGS="-Dqnx -F -3s" LOCAL_LDFLAGS="-3s" LOCAL_LIBS="-lunix -lncurses" ;;
1077 powerux*)       LOCAL_LIBS="-lgen" ;;
1078 cygwin*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
1079 opennt*|interix*) LOCAL_CFLAGS="-DNO_MAIN_ENV_ARG -DBROKEN_DIRENT_D_INO -D_POSIX_SOURCE -D_ALL_SOURCE -DRECYCLES_PIDS" ;;
1080 *openstep*)     LOCAL_CFLAGS="-D__APPLE_CC__" ;;
1081 esac
1082
1083 dnl Stanza for OS/compiler pair-specific flags
1084 case "${host_os}-${CC}" in
1085 aix4.2*-*gcc*)  LOCAL_LDFLAGS="-Xlinker -bexpall -Xlinker -brtl" ;;
1086 aix4.2*)        LOCAL_LDFLAGS="-bexpall -brtl" ;;
1087 bsdi4*-*gcc*)   LOCAL_LDFLAGS="-rdynamic" ;;    # allow dynamic loading, like Linux
1088 esac
1089
1090 dnl FreeBSD-3.x can have either a.out or ELF
1091 case "${host_os}" in
1092 freebsd[[3-9]]*)
1093                 if test -x /usr/bin/objformat && test "`/usr/bin/objformat`" = "elf" ; then
1094                         LOCAL_LDFLAGS=-rdynamic # allow dynamic loading
1095                 fi ;;
1096 freebsdelf*)    LOCAL_LDFLAGS=-rdynamic ;;      # allow dynamic loading
1097 dragonfly*)     LOCAL_LDFLAGS=-rdynamic ;;      # allow dynamic loading
1098 esac
1099
1100 case "$host_cpu" in
1101 *cray*)         LOCAL_CFLAGS="-DCRAY" ;; # shell var so config.h can use it
1102 esac
1103
1104 case "$host_cpu-$host_os" in
1105 ibmrt-*bsd4*)   LOCAL_CFLAGS="-ma -U__STDC__" ;;
1106 esac
1107
1108 case "$host_cpu-$host_vendor-$host_os" in
1109 m88k-motorola-sysv3)    LOCAL_CFLAGS=-DWAITPID_BROKEN ;;
1110 mips-pyramid-sysv4)     LOCAL_CFLAGS=-Xa ;;
1111 esac
1112
1113 #
1114 # Shared object configuration section.  These values are generated by
1115 # ${srcdir}/support/shobj-conf
1116 #
1117 if test "$ac_cv_func_dlopen" = "yes" && test -f ${srcdir}/support/shobj-conf
1118 then
1119         AC_MSG_CHECKING(shared object configuration for loadable builtins)
1120         eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c "${host_cpu}" -o "${host_os}" -v "${host_vendor}"`
1121         AC_SUBST(SHOBJ_CC)
1122         AC_SUBST(SHOBJ_CFLAGS)
1123         AC_SUBST(SHOBJ_LD)
1124         AC_SUBST(SHOBJ_LDFLAGS)
1125         AC_SUBST(SHOBJ_XLDFLAGS)
1126         AC_SUBST(SHOBJ_LIBS)
1127         AC_SUBST(SHOBJ_STATUS)
1128         AC_MSG_RESULT($SHOBJ_STATUS)
1129 fi
1130
1131 # try to create a directory tree if the source is elsewhere
1132 # this should be packaged into a script accessible via ${srcdir}/support
1133 case "$srcdir" in
1134 .)      ;;
1135 *)      for d in doc tests support lib examples; do     # dirs
1136                 test -d $d || mkdir $d
1137         done
1138         for ld in readline glob tilde malloc sh termcap; do     # libdirs
1139                 test -d lib/$ld || mkdir lib/$ld
1140         done
1141         test -d examples/loadables || mkdir examples/loadables  # loadable builtins
1142         test -d examples/loadables/perl || mkdir examples/loadables/perl
1143         ;;
1144 esac
1145
1146 BUILD_DIR=`pwd`
1147 case "$BUILD_DIR" in
1148 *\ *)   BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
1149 *)      ;;
1150 esac
1151
1152 if test -z "$localedir"; then
1153         localedir='${datarootdir}/locale'
1154 fi
1155 if test -z "$datarootdir"; then
1156         datarootdir='${prefix}/share'
1157 fi
1158
1159 AC_SUBST(PROFILE_FLAGS)
1160
1161 AC_SUBST(incdir)
1162 AC_SUBST(BUILD_DIR)
1163
1164 # Some versions of autoconf don't substitute these automatically
1165 AC_SUBST(datarootdir)
1166 AC_SUBST(localedir)
1167
1168 AC_SUBST(YACC)
1169 AC_SUBST(AR)
1170 AC_SUBST(ARFLAGS)
1171
1172 AC_SUBST(BASHVERS)
1173 AC_SUBST(RELSTATUS)
1174 AC_SUBST(DEBUG)
1175 AC_SUBST(MALLOC_DEBUG)
1176
1177 AC_SUBST(host_cpu)
1178 AC_SUBST(host_vendor)
1179 AC_SUBST(host_os)
1180
1181 AC_SUBST(LOCAL_LIBS)
1182 AC_SUBST(LOCAL_CFLAGS)
1183 AC_SUBST(LOCAL_LDFLAGS)
1184 AC_SUBST(LOCAL_DEFS)
1185
1186 #AC_SUBST(ALLOCA_SOURCE)
1187 #AC_SUBST(ALLOCA_OBJECT)
1188
1189 AC_OUTPUT([Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile \
1190           lib/intl/Makefile \
1191           lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile \
1192           lib/tilde/Makefile doc/Makefile support/Makefile po/Makefile.in \
1193           examples/loadables/Makefile examples/loadables/perl/Makefile],
1194 [
1195 # Makefile uses this timestamp file to record whether config.h is up to date.
1196 echo timestamp > stamp-h
1197 ])