configure.ac

   1 dnl
   2 dnl Configure script for bash-5.2
   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) 1987-2022 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 5.2, version 5.046])dnl
  25
  26 define(bashvers, 5.2)
  27 define(relstatus, release)
  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(2.69)
  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 "$RELSTATUS" in
  45 alp*|bet*|dev*|rc*|releng*|maint*)      DEBUG='-DDEBUG' MALLOC_DEBUG='-DMALLOC_DEBUG' ;;
  46 *)      DEBUG= MALLOC_DEBUG= ;;
  47 esac
  48
  49 dnl canonicalize the host and os so we can do some tricky things before
  50 dnl parsing options
  51 AC_CANONICAL_HOST
  52 AC_CANONICAL_BUILD
  53
  54 dnl configure defaults
  55 opt_bash_malloc=yes
  56 opt_afs=no
  57 opt_curses=no
  58 opt_with_installed_readline=no
  59
  60 #htmldir=
  61
  62 dnl some systems should be configured without the bash malloc by default
  63 dnl and some need a special compiler or loader
  64 dnl look in the NOTES file for more
  65 case "${host_cpu}-${host_os}" in
  66 # mostly obsolete platforms
  67 alpha*-*)       opt_bash_malloc=no ;;   # alpha running osf/1 or linux
  68 *[[Cc]]ray*-*)  opt_bash_malloc=no ;;   # Crays
  69 *-osf1*)        opt_bash_malloc=no ;;   # other osf/1 machines
  70 *-dgux*)        opt_bash_malloc=no ;;   # DG/UX machines
  71 sparc-svr4*)    opt_bash_malloc=no ;;   # sparc SVR4, SVR4.2
  72 m68k-sysv)      opt_bash_malloc=no ;;   # fixes file descriptor leak in closedir
  73 *-bsdi2.1|*-bsdi3.?)    opt_bash_malloc=no ; : ${CC:=shlicc2} ;; # for loadable builtins
  74 *-opennt*|*-interix*)   opt_bash_malloc=no ;;   # Interix, now owned by Microsoft
  75 *-beos*)        opt_bash_malloc=no ;;   # they say it's suitable
  76 # These need additional investigation
  77 sparc-linux*)   opt_bash_malloc=no ;;   # sparc running linux; requires ELF
  78 *-aix*)         opt_bash_malloc=no ;;   # AIX machines
  79 *-cygwin*)      opt_bash_malloc=no ;;   # Cygnus's CYGWIN environment
  80 # These lack a working sbrk(2)
  81 aarch64-freebsd*)       opt_bash_malloc=no ;;
  82 riscv*-freebsd*)        opt_bash_malloc=no ;;
  83 # Mach-derived systems have a ton of extra malloc functions and lack sbrk(2)
  84 *-nextstep*)    opt_bash_malloc=no ;;   # NeXT machines running NeXTstep
  85 *-openstep*)    opt_bash_malloc=no ;;   # i386/Sparc/HP machines running Openstep
  86 *-macos*)       opt_bash_malloc=no ;;   # Apple MacOS X
  87 *-rhapsody*)    opt_bash_malloc=no ;;   # Apple Rhapsody (MacOS X)
  88 *-darwin*)      opt_bash_malloc=no ;;   # Apple Darwin (MacOS X)
  89 *-machten4)     opt_bash_malloc=no ;;   # MachTen 4.x
  90 # Niche or non-mainstream-shell-user systems
  91 *-qnx*)         opt_bash_malloc=no ;;   # QNX 4.2, QNX [67].x
  92 *-nsk*)         opt_bash_malloc=no ;;   # HP NonStop
  93 *-haiku*)       opt_bash_malloc=no ;;   # Haiku OS
  94 *-genode*)      opt_bash_malloc=no ;;   # Genode has no sbrk
  95 esac
  96
  97 # memory scrambling on free()
  98 case "${host_os}" in
  99 sco3.2v5*|sco3.2v4*)    opt_memscramble=no ;;
 100 *)                      opt_memscramble=yes ;;
 101 esac
 102
 103 dnl
 104 dnl macros for the bash debugger
 105 dnl
 106 dnl AM_PATH_LISPDIR
 107 AC_ARG_VAR(DEBUGGER_START_FILE, [location of bash debugger initialization file])
 108
 109 dnl arguments to configure
 110 dnl packages
 111 AC_ARG_WITH(afs, AS_HELP_STRING([--with-afs], [if you are running AFS]), opt_afs=$withval)
 112 AC_ARG_WITH(bash-malloc, AS_HELP_STRING([--with-bash-malloc], [use the Bash version of malloc]), opt_bash_malloc=$withval)
 113 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
 114 AC_ARG_WITH(gnu-malloc, AS_HELP_STRING([--with-gnu-malloc], [synonym for --with-bash-malloc]), opt_bash_malloc=$withval)
 115 AC_ARG_WITH(installed-readline, AS_HELP_STRING([--with-installed-readline], [use a version of the readline library that is already installed]), opt_with_installed_readline=$withval)
 116
 117 if test "$opt_bash_malloc" = yes; then
 118         MALLOC_TARGET=malloc
 119         MALLOC_SRC=malloc.c
 120
 121         MALLOC_LIB='-lmalloc'
 122         MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
 123         MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
 124         MALLOC_DEP='$(MALLOC_LIBRARY)'
 125
 126         AC_DEFINE(USING_BASH_MALLOC)
 127 else
 128         MALLOC_LIB=
 129         MALLOC_LIBRARY=
 130         MALLOC_LDFLAGS=
 131         MALLOC_DEP=
 132 fi
 133
 134 if test "$opt_afs" = yes; then
 135         AC_DEFINE(AFS)
 136 fi
 137
 138 if test "$opt_curses" = yes; then
 139         prefer_curses=yes
 140 fi
 141
 142 if test -z "${DEBUGGER_START_FILE}"; then
 143         DEBUGGER_START_FILE='${datadir}/bashdb/bashdb-main.inc'
 144 fi
 145
 146 dnl optional shell features in config.h.in
 147 opt_minimal_config=no
 148
 149 opt_job_control=yes
 150 opt_alias=yes
 151 opt_readline=yes
 152 opt_history=yes
 153 opt_bang_history=yes
 154 opt_dirstack=yes
 155 opt_restricted=yes
 156 opt_process_subst=yes
 157 opt_prompt_decoding=yes
 158 opt_select=yes
 159 opt_help=yes
 160 opt_array_variables=yes
 161 opt_dparen_arith=yes
 162 opt_extended_glob=yes
 163 opt_brace_expansion=yes
 164 opt_disabled_builtins=no
 165 opt_command_timing=yes
 166 opt_xpg_echo=no
 167 opt_strict_posix=no
 168 opt_cond_command=yes
 169 opt_cond_regexp=yes
 170 opt_coproc=yes
 171 opt_arith_for_command=yes
 172 opt_net_redirs=yes
 173 opt_progcomp=yes
 174 opt_separate_help=no
 175 opt_multibyte=yes
 176 opt_debugger=yes
 177 opt_single_longdoc_strings=yes
 178 opt_casemod_attrs=yes
 179 opt_casemod_expansions=yes
 180 opt_extglob_default=no
 181 opt_dircomplete_expand_default=no
 182 opt_globascii_default=yes
 183 opt_function_import=yes
 184 opt_dev_fd_stat_broken=no
 185 opt_alt_array_impl=no
 186 opt_translatable_strings=yes
 187
 188 dnl modified by alternate array implementation option
 189 ARRAY_O=array.o
 190
 191 dnl options that affect how bash is compiled and linked
 192 opt_static_link=no
 193 opt_profiling=no
 194
 195 dnl argument parsing for optional features
 196 AC_ARG_ENABLE(minimal-config, AS_HELP_STRING([--enable-minimal-config], [a minimal sh-like configuration]), opt_minimal_config=$enableval)
 197
 198 dnl a minimal configuration turns everything off, but features can be
 199 dnl added individually
 200 if test $opt_minimal_config = yes; then
 201         opt_job_control=no opt_alias=no opt_readline=no
 202         opt_history=no opt_bang_history=no opt_dirstack=no
 203         opt_restricted=no opt_process_subst=no opt_prompt_decoding=no
 204         opt_select=no opt_help=no opt_array_variables=no opt_dparen_arith=no
 205         opt_brace_expansion=no opt_disabled_builtins=no opt_command_timing=no
 206         opt_extended_glob=no opt_cond_command=no opt_arith_for_command=no
 207         opt_net_redirs=no opt_progcomp=no opt_separate_help=no
 208         opt_multibyte=yes opt_cond_regexp=no opt_coproc=no
 209         opt_casemod_attrs=no opt_casemod_expansions=no opt_extglob_default=no
 210         opt_translatable_strings=no
 211         opt_globascii_default=yes
 212 fi
 213
 214 AC_ARG_ENABLE(alias, AS_HELP_STRING([--enable-alias], [enable shell aliases]), opt_alias=$enableval)
 215 AC_ARG_ENABLE(alt-array-implementation, AS_HELP_STRING([--enable-alt-array-implementation], [enable an alternate array implementation that optimizes speed at the cost of space]), opt_alt_array_impl=$enableval)
 216 AC_ARG_ENABLE(arith-for-command, AS_HELP_STRING([--enable-arith-for-command], [enable arithmetic for command]), opt_arith_for_command=$enableval)
 217 AC_ARG_ENABLE(array-variables, AS_HELP_STRING([--enable-array-variables], [include shell array variables]), opt_array_variables=$enableval)
 218 AC_ARG_ENABLE(bang-history, AS_HELP_STRING([--enable-bang-history], [turn on csh-style history substitution]), opt_bang_history=$enableval)
 219 AC_ARG_ENABLE(brace-expansion, AS_HELP_STRING([--enable-brace-expansion], [include brace expansion]), opt_brace_expansion=$enableval)
 220 AC_ARG_ENABLE(casemod-attributes, AS_HELP_STRING([--enable-casemod-attributes], [include case-modifying variable attributes]), opt_casemod_attrs=$enableval)
 221 AC_ARG_ENABLE(casemod-expansions, AS_HELP_STRING([--enable-casemod-expansions], [include case-modifying word expansions]), opt_casemod_expansions=$enableval)
 222 AC_ARG_ENABLE(command-timing, AS_HELP_STRING([--enable-command-timing], [enable the time reserved word and command timing]), opt_command_timing=$enableval)
 223 AC_ARG_ENABLE(cond-command, AS_HELP_STRING([--enable-cond-command], [enable the conditional command]), opt_cond_command=$enableval)
 224 AC_ARG_ENABLE(cond-regexp, AS_HELP_STRING([--enable-cond-regexp], [enable extended regular expression matching in conditional commands]), opt_cond_regexp=$enableval)
 225 AC_ARG_ENABLE(coprocesses, AS_HELP_STRING([--enable-coprocesses], [enable coprocess support and the coproc reserved word]), opt_coproc=$enableval)
 226 AC_ARG_ENABLE(debugger, AS_HELP_STRING([--enable-debugger], [enable support for bash debugger]), opt_debugger=$enableval)
 227 AC_ARG_ENABLE(dev-fd-stat-broken, AS_HELP_STRING([--enable-dev-fd-stat-broken], [enable this option if stat on /dev/fd/N and fstat on file descriptor N don't return the same results]), opt_dev_fd_stat_broken=$enableval)
 228 AC_ARG_ENABLE(direxpand-default, AS_HELP_STRING([--enable-direxpand-default], [enable the direxpand shell option by default]), opt_dircomplete_expand_default=$enableval)
 229 AC_ARG_ENABLE(directory-stack, AS_HELP_STRING([--enable-directory-stack], [enable builtins pushd/popd/dirs]), opt_dirstack=$enableval)
 230 AC_ARG_ENABLE(disabled-builtins, AS_HELP_STRING([--enable-disabled-builtins], [allow disabled builtins to still be invoked]), opt_disabled_builtins=$enableval)
 231 AC_ARG_ENABLE(dparen-arithmetic, AS_HELP_STRING([--enable-dparen-arithmetic], [include ((...)) command]), opt_dparen_arith=$enableval)
 232 AC_ARG_ENABLE(extended-glob, AS_HELP_STRING([--enable-extended-glob], [include ksh-style extended pattern matching]), opt_extended_glob=$enableval)
 233 AC_ARG_ENABLE(extended-glob-default, AS_HELP_STRING([--enable-extended-glob-default], [force extended pattern matching to be enabled by default]), opt_extglob_default=$enableval)
 234 AC_ARG_ENABLE(function-import, AS_HELP_STRING([--enable-function-import], [allow bash to import exported function definitions by default]), opt_function_import=$enableval)
 235 AC_ARG_ENABLE(glob-asciiranges-default, AS_HELP_STRING([--enable-glob-asciiranges-default], [force bracket range expressions in pattern matching to use the C locale by default]), opt_globascii_default=$enableval)
 236 AC_ARG_ENABLE(help-builtin, AS_HELP_STRING([--enable-help-builtin], [include the help builtin]), opt_help=$enableval)
 237 AC_ARG_ENABLE(history, AS_HELP_STRING([--enable-history], [turn on command history]), opt_history=$enableval)
 238 AC_ARG_ENABLE(job-control, AS_HELP_STRING([--enable-job-control], [enable job control features]), opt_job_control=$enableval)
 239 AC_ARG_ENABLE(multibyte, AS_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
 240 AC_ARG_ENABLE(net-redirections, AS_HELP_STRING([--enable-net-redirections], [enable /dev/tcp/host/port redirection]), opt_net_redirs=$enableval)
 241 AC_ARG_ENABLE(process-substitution, AS_HELP_STRING([--enable-process-substitution], [enable process substitution]), opt_process_subst=$enableval)
 242 AC_ARG_ENABLE(progcomp, AS_HELP_STRING([--enable-progcomp], [enable programmable completion and the complete builtin]), opt_progcomp=$enableval)
 243 AC_ARG_ENABLE(prompt-string-decoding, AS_HELP_STRING([--enable-prompt-string-decoding], [turn on escape character decoding in prompts]), opt_prompt_decoding=$enableval)
 244 AC_ARG_ENABLE(readline, AS_HELP_STRING([--enable-readline], [turn on command line editing]), opt_readline=$enableval)
 245 AC_ARG_ENABLE(restricted, AS_HELP_STRING([--enable-restricted], [enable a restricted shell]), opt_restricted=$enableval)
 246 AC_ARG_ENABLE(select, AS_HELP_STRING([--enable-select], [include select command]), opt_select=$enableval)
 247 AC_ARG_ENABLE(separate-helpfiles, AS_HELP_STRING([--enable-separate-helpfiles], [use external files for help builtin documentation]), opt_separate_help=$enableval)
 248 AC_ARG_ENABLE(single-help-strings, AS_HELP_STRING([--enable-single-help-strings], [store help documentation as a single string to ease translation]), opt_single_longdoc_strings=$enableval)
 249 AC_ARG_ENABLE(strict-posix-default, AS_HELP_STRING([--enable-strict-posix-default], [configure bash to be posix-conformant by default]), opt_strict_posix=$enableval)
 250 AC_ARG_ENABLE(translatable-strings, AS_HELP_STRING([--enable-translatable-strings], [include support for $"..." translatable strings]), opt_translatable_strings=$enableval)
 251 AC_ARG_ENABLE(usg-echo-default, AS_HELP_STRING([--enable-usg-echo-default], [a synonym for --enable-xpg-echo-default]), opt_xpg_echo=$enableval)
 252 AC_ARG_ENABLE(xpg-echo-default, AS_HELP_STRING([--enable-xpg-echo-default], [make the echo builtin expand escape sequences by default]), opt_xpg_echo=$enableval)
 253
 254 dnl options that alter how bash is compiled and linked
 255 AC_ARG_ENABLE(mem-scramble, AS_HELP_STRING([--enable-mem-scramble], [scramble memory on calls to malloc and free]), opt_memscramble=$enableval)
 256 AC_ARG_ENABLE(profiling, AS_HELP_STRING([--enable-profiling], [allow profiling with gprof]), opt_profiling=$enableval)
 257 AC_ARG_ENABLE(static-link, AS_HELP_STRING([--enable-static-link], [link bash statically, for use as a root shell]), opt_static_link=$enableval)
 258
 259 dnl So-called `precious' variables
 260 AC_ARG_VAR([CC_FOR_BUILD], [C compiler used when compiling binaries used only at build time])
 261 AC_ARG_VAR([CFLAGS_FOR_BUILD], [Compilation options (CFLAGS) used when compiling binaries used only at build time])
 262 AC_ARG_VAR([LDFLAGS_FOR_BUILD], [Linker options (LDFLAGS) used when compiling binaries used only at build time])
 263 AC_ARG_VAR([CPPFLAGS_FOR_BUILD], [C preprocessor options (CPPFLAGS) used when compiling binaries used only at build time])
 264
 265 dnl opt_job_control is handled later, after BASH_JOB_CONTROL_MISSING runs
 266
 267 dnl opt_readline and opt_history are handled later, because AC_PROG_CC needs
 268 dnl to be run before we can check the version of an already-installed readline
 269 dnl library
 270
 271 if test $opt_alias = yes; then
 272 AC_DEFINE(ALIAS)
 273 fi
 274 if test $opt_dirstack = yes; then
 275 AC_DEFINE(PUSHD_AND_POPD)
 276 fi
 277 if test $opt_restricted = yes; then
 278 AC_DEFINE(RESTRICTED_SHELL)
 279 fi
 280 if test $opt_process_subst = yes; then
 281 AC_DEFINE(PROCESS_SUBSTITUTION)
 282 fi
 283 if test $opt_prompt_decoding = yes; then
 284 AC_DEFINE(PROMPT_STRING_DECODE)
 285 fi
 286 if test $opt_select = yes; then
 287 AC_DEFINE(SELECT_COMMAND)
 288 fi
 289 if test $opt_help = yes; then
 290 AC_DEFINE(HELP_BUILTIN)
 291 fi
 292 if test $opt_array_variables = yes; then
 293 AC_DEFINE(ARRAY_VARS)
 294 fi
 295 if test $opt_dparen_arith = yes; then
 296 AC_DEFINE(DPAREN_ARITHMETIC)
 297 fi
 298 if test $opt_brace_expansion = yes; then
 299 AC_DEFINE(BRACE_EXPANSION)
 300 fi
 301 if test $opt_disabled_builtins = yes; then
 302 AC_DEFINE(DISABLED_BUILTINS)
 303 fi
 304 if test $opt_command_timing = yes; then
 305 AC_DEFINE(COMMAND_TIMING)
 306 fi
 307 if test $opt_xpg_echo = yes ; then
 308 AC_DEFINE(DEFAULT_ECHO_TO_XPG)
 309 fi
 310 if test $opt_strict_posix = yes; then
 311 AC_DEFINE(STRICT_POSIX)
 312 fi
 313 if test $opt_extended_glob = yes ; then
 314 AC_DEFINE(EXTENDED_GLOB)
 315 fi
 316 if test $opt_extglob_default = yes; then
 317 AC_DEFINE(EXTGLOB_DEFAULT, 1)
 318 else
 319 AC_DEFINE(EXTGLOB_DEFAULT, 0)
 320 fi
 321 if test $opt_cond_command = yes ; then
 322 AC_DEFINE(COND_COMMAND)
 323 fi
 324 if test $opt_cond_regexp = yes ; then
 325 AC_DEFINE(COND_REGEXP)
 326 fi
 327 if test $opt_coproc = yes; then
 328 AC_DEFINE(COPROCESS_SUPPORT)
 329 fi
 330 if test $opt_arith_for_command = yes; then
 331 AC_DEFINE(ARITH_FOR_COMMAND)
 332 fi
 333 if test $opt_net_redirs = yes; then
 334 AC_DEFINE(NETWORK_REDIRECTIONS)
 335 fi
 336 if test $opt_progcomp = yes; then
 337 AC_DEFINE(PROGRAMMABLE_COMPLETION)
 338 fi
 339 if test $opt_multibyte = no; then
 340 AC_DEFINE(NO_MULTIBYTE_SUPPORT)
 341 fi
 342 if test $opt_debugger = yes; then
 343 AC_DEFINE(DEBUGGER)
 344 fi
 345 if test $opt_casemod_attrs = yes; then
 346 AC_DEFINE(CASEMOD_ATTRS)
 347 fi
 348 if test $opt_casemod_expansions = yes; then
 349 AC_DEFINE(CASEMOD_EXPANSIONS)
 350 fi
 351 if test $opt_dircomplete_expand_default = yes; then
 352 AC_DEFINE(DIRCOMPLETE_EXPAND_DEFAULT)
 353 fi
 354 if test $opt_globascii_default = yes; then
 355 AC_DEFINE(GLOBASCII_DEFAULT, 1)
 356 else
 357 AC_DEFINE(GLOBASCII_DEFAULT, 0)
 358 fi
 359 if test $opt_function_import = yes; then
 360 AC_DEFINE(FUNCTION_IMPORT)
 361 fi
 362 if test $opt_dev_fd_stat_broken = yes; then
 363 AC_DEFINE(DEV_FD_STAT_BROKEN)
 364 fi
 365 if test $opt_alt_array_impl = yes; then
 366 AC_DEFINE(ALT_ARRAY_IMPLEMENTATION)
 367 ARRAY_O=array2.o
 368 fi
 369 if test $opt_translatable_strings = yes; then
 370 AC_DEFINE(TRANSLATABLE_STRINGS)
 371 fi
 372
 373 if test $opt_memscramble = yes; then
 374 AC_DEFINE(MEMSCRAMBLE)
 375 fi
 376
 377 if test "$opt_minimal_config" = yes; then
 378         TESTSCRIPT=run-minimal
 379 else
 380         TESTSCRIPT=run-all
 381 fi
 382
 383 HELPDIR= HELPDIRDEFINE= HELPINSTALL= HELPFILES_TARGET=
 384 if test "$opt_separate_help" != no; then
 385         if test "$opt_separate_help" = "yes" ; then
 386                 HELPDIR='${datadir}/bash/helpfiles'
 387         else
 388                 HELPDIR=$opt_separate_help
 389         fi
 390         HELPDIRDEFINE='-H ${HELPDIR}'
 391         HELPINSTALL='install-help'
 392         HELPFILES_TARGET='helpdoc'
 393 fi
 394 HELPSTRINGS=
 395 if test "$opt_single_longdoc_strings" != "yes"; then
 396         HELPSTRINGS='-S'
 397 fi
 398
 399 dnl now substitute in the values generated by arguments
 400 AC_SUBST(TESTSCRIPT)
 401 AC_SUBST(MALLOC_TARGET)
 402 AC_SUBST(MALLOC_SRC)
 403
 404 AC_SUBST(MALLOC_LIB)
 405 AC_SUBST(MALLOC_LIBRARY)
 406 AC_SUBST(MALLOC_LDFLAGS)
 407 AC_SUBST(MALLOC_DEP)
 408
 409 AC_SUBST(ARRAY_O)
 410
 411 AC_SUBST(htmldir)
 412
 413 AC_SUBST(HELPDIR)
 414 AC_SUBST(HELPDIRDEFINE)
 415 AC_SUBST(HELPINSTALL)
 416 AC_SUBST(HELPFILES_TARGET)
 417 AC_SUBST(HELPSTRINGS)
 418
 419 dnl We want these before the checks, so the checks can modify their values.
 420 if test -z "$CFLAGS"; then
 421         want_auto_cflags=1
 422 fi
 423
 424 echo ""
 425 echo "Beginning configuration for bash-$BASHVERS-$RELSTATUS for ${host_cpu}-${host_vendor}-${host_os}"
 426 echo ""
 427
 428 dnl compilation checks
 429 dnl AC_PROG_CC sets $cross_compiling to `yes' if cross-compiling for a
 430 dnl different environment
 431 AC_PROG_CC
 432
 433 if test -n "$want_auto_cflags"; then
 434         AUTO_CFLAGS="-g ${GCC:+-O2}"
 435         AUTO_LDFLAGS="-g ${GCC:+-O2}"
 436 #       STYLE_CFLAGS="${GCC:+-Wno-parentheses} ${GCC:+-Wno-format-security} ${GCC:+-Wno-tautological-constant-out-of-range-compare}"
 437         STYLE_CFLAGS="${GCC:+-Wno-parentheses} ${GCC:+-Wno-format-security}"
 438 else
 439         AUTO_CFLAGS= AUTO_LDFLAGS= STYLE_CFLAGS=
 440 fi
 441
 442 dnl test for Unix variants
 443 AC_USE_SYSTEM_EXTENSIONS
 444 AC_SYS_LARGEFILE
 445
 446 dnl BEGIN changes for cross-building (currently cygwin, minGW, and
 447 dnl (obsolete) BeOS)
 448
 449 SIGNAMES_O=
 450 SIGNAMES_H=lsignames.h
 451
 452 dnl load up the cross-building cache file -- add more cases and cache
 453 dnl files as necessary
 454
 455 dnl Note that host and target machine are the same, and different than the
 456 dnl build machine.
 457 dnl Set SIGNAMES_H based on whether or not we're cross-compiling.
 458
 459 CROSS_COMPILE=
 460 if test "x$cross_compiling" = "xyes"; then
 461     case "${host}" in
 462     *-cygwin*)
 463         cross_cache=${srcdir}/cross-build/cygwin32.cache
 464         ;;
 465     *-mingw*)
 466         cross_cache=${srcdir}/cross-build/cygwin32.cache
 467         ;;
 468     i[[3456]]86-*-beos*)
 469         cross_cache=${srcdir}/cross-build/x86-beos.cache
 470         ;;
 471     *-qnx*)
 472         cross_cache=${srcdir}/cross-build/qnx.cache
 473         ;;
 474     *)  echo "configure: cross-compiling for $host is not supported" >&2
 475         ;;
 476     esac
 477     if test -n "${cross_cache}" && test -r "${cross_cache}"; then
 478         echo "loading cross-build cache file ${cross_cache}"
 479         . ${cross_cache}
 480     fi
 481     unset cross_cache
 482     SIGNAMES_O='signames.o'
 483     CROSS_COMPILE='-DCROSS_COMPILING'
 484     AC_SUBST(CROSS_COMPILE)
 485 fi
 486 AC_SUBST(SIGNAMES_H)
 487 AC_SUBST(SIGNAMES_O)
 488
 489 dnl END changes for cross-building
 490
 491 dnl default values
 492 CFLAGS=${CFLAGS-"$AUTO_CFLAGS"}
 493 # LDFLAGS=${LDFLAGS="$AUTO_LDFLAGS"}    # XXX
 494
 495 dnl handle options that alter how bash is compiled and linked
 496 dnl these must come after the test for cc/gcc
 497 if test "$opt_profiling" = "yes"; then
 498         PROFILE_FLAGS=-pg
 499         case "$host_os" in
 500         solaris2*|linux*|darwin*)       ;;
 501         *)              opt_static_link=yes ;;
 502         esac
 503         DEBUG= MALLOC_DEBUG=
 504 fi
 505
 506 prefer_shared=yes
 507 prefer_static=no
 508
 509 if test "$opt_static_link" = yes; then
 510         prefer_static=yes
 511         prefer_shared=no
 512         # if we're using gcc, add `-static' to LDFLAGS, except on Solaris >= 2
 513         if test "$GCC" = "yes"; then
 514                 STATIC_LD="-static"
 515                 case "$host_os" in
 516                 solaris2*|linux*)       ;;
 517                 *)              LDFLAGS="$LDFLAGS -static" ;;   # XXX experimental
 518                 esac
 519         fi
 520 fi
 521
 522 # set the appropriate make variables for building the "build tools"
 523 # modify defaults based on whether or not we are cross compiling, since the
 524 # options for the target host may not be appropriate for the build host
 525 if test "X$cross_compiling" = "Xno"; then
 526         CC_FOR_BUILD=${CC_FOR_BUILD-'$(CC)'}
 527         CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"}    # XXX - should it be '$(CPPFLAGS)'
 528         if test X"$opt_profiling" = Xyes; then
 529                 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(BASE_LDFLAGS)'}
 530         else
 531                 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(LDFLAGS)'}
 532         fi
 533         # CFLAGS set above to default value if not passed in environment
 534         if test -n "$want_auto_cflags" ; then
 535                 CFLAGS_FOR_BUILD="${CFLAGS}"
 536                 BASE_CFLAGS_FOR_BUILD="${CFLAGS}"
 537         else
 538                 # passed in environment
 539                 CFLAGS_FOR_BUILD=${CFLAGS-'$(CFLAGS)'}
 540                 BASE_CFLAGS_FOR_BUILD=${CFLAGS-'$(CFLAGS)'}
 541         fi
 542         LIBS_FOR_BUILD=${LIBS_FOR_BUILD-'$(LIBS)'}
 543 else
 544         CC_FOR_BUILD=${CC_FOR_BUILD-"gcc"}
 545         CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
 546         LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
 547         CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD="-g"}
 548         BASE_CFLAGS_FOR_BUILD=${BASE_CFLAGS_FOR_BUILD="-g"}
 549         LIBS_FOR_BUILD=${LIBS_FOR_BUILD-""}
 550 fi
 551
 552 AC_SUBST(CFLAGS)
 553 AC_SUBST(CPPFLAGS)
 554 AC_SUBST(LDFLAGS)
 555 AC_SUBST(STATIC_LD)
 556
 557 AC_SUBST(CC_FOR_BUILD)
 558 AC_SUBST(CFLAGS_FOR_BUILD)
 559 AC_SUBST(BASE_CFLAGS_FOR_BUILD)
 560 AC_SUBST(STYLE_CFLAGS)
 561 AC_SUBST(CPPFLAGS_FOR_BUILD)
 562 AC_SUBST(LDFLAGS_FOR_BUILD)
 563 AC_SUBST(LIBS_FOR_BUILD)
 564
 565 AC_PROG_GCC_TRADITIONAL
 566
 567 dnl BEGIN READLINE and HISTORY LIBRARY SECTION
 568 dnl prepare to allow bash to be linked against an already-installed readline
 569
 570 dnl first test that the readline version is new enough to link bash against
 571 if test "$opt_readline" = yes && test "$opt_with_installed_readline" != "no"
 572 then
 573         # If the user specified --with-installed-readline=PREFIX and PREFIX
 574         # is not `yes', set ac_cv_rl_prefix to PREFIX
 575         test $opt_with_installed_readline != "yes" && ac_cv_rl_prefix=$opt_with_installed_readline
 576
 577         RL_LIB_READLINE_VERSION
 578
 579         case "$ac_cv_rl_version" in
 580         8*|9*)  ;;
 581         *)      opt_with_installed_readline=no
 582                 AC_MSG_WARN([installed readline library is too old to be linked with bash])
 583                 AC_MSG_WARN([using private bash version])
 584                 ;;
 585         esac
 586 fi
 587
 588 TILDE_LIB=-ltilde
 589 if test $opt_readline = yes; then
 590         AC_DEFINE(READLINE)
 591         if test "$opt_with_installed_readline" != "no" ; then
 592                 case "$opt_with_installed_readline" in
 593                 yes)    RL_INCLUDE= ;;
 594                 *)      case "$RL_INCLUDEDIR" in
 595                         /usr/include)   ;;
 596                         *)              RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
 597                         esac
 598                         ;;
 599                 esac
 600                 READLINE_DEP=
 601                 READLINE_LIB=-lreadline
 602                 # section for OS versions that don't allow unresolved symbols
 603                 # to be compiled into dynamic libraries.
 604                 case "$host_os" in
 605                 cygwin*)        TILDE_LIB= ;;
 606                 esac
 607         else
 608                 RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 609                 READLINE_DEP='$(READLINE_LIBRARY)'
 610                 # section for OS versions that ship an older/broken version of
 611                 # readline as a standard dynamic library and don't allow a
 612                 # static version specified as -llibname to override the
 613                 # dynamic version
 614                 case "${host_os}" in
 615                 darwin[[89]]*|darwin10*) READLINE_LIB='${READLINE_LIBRARY}' ;;
 616                 *)              READLINE_LIB=-lreadline ;;
 617                 esac
 618         fi
 619 else
 620         RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 621         READLINE_LIB= READLINE_DEP=
 622 fi
 623 if test $opt_history = yes || test $opt_bang_history = yes; then
 624         if test $opt_history = yes; then
 625                 AC_DEFINE(HISTORY)
 626         fi
 627         if test $opt_bang_history = yes; then
 628                 AC_DEFINE(BANG_HISTORY)
 629         fi
 630         if test "$opt_with_installed_readline" != "no"; then
 631                 HIST_LIBDIR=$RL_LIBDIR
 632                 HISTORY_DEP=
 633                 HISTORY_LIB=-lhistory
 634                 case "$opt_with_installed_readline" in
 635                 yes)    RL_INCLUDE= ;;
 636                 *)      case "$RL_INCLUDEDIR" in
 637                         /usr/include)   ;;
 638                         *)              RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
 639                         esac
 640                         ;;
 641                 esac
 642         else
 643                 HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 644                 HISTORY_DEP='$(HISTORY_LIBRARY)'
 645                 # section for OS versions that ship an older version of
 646                 # readline as a standard dynamic library and don't allow a
 647                 # static version specified as -llibname to override the
 648                 # dynamic version
 649                 case "${host_os}" in
 650                 darwin[[89]]*|darwin10*) HISTORY_LIB='${HISTORY_LIBRARY}' ;;
 651                 *)              HISTORY_LIB=-lhistory ;;
 652                 esac
 653         fi
 654 else
 655         HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
 656         HISTORY_LIB= HISTORY_DEP=
 657 fi
 658 AC_SUBST(READLINE_LIB)
 659 AC_SUBST(READLINE_DEP)
 660 AC_SUBST(RL_LIBDIR)
 661 AC_SUBST(RL_INCLUDEDIR)
 662 AC_SUBST(RL_INCLUDE)
 663 AC_SUBST(HISTORY_LIB)
 664 AC_SUBST(HISTORY_DEP)
 665 AC_SUBST(HIST_LIBDIR)
 666 AC_SUBST(TILDE_LIB)
 667
 668 dnl END READLINE and HISTORY LIBRARY SECTION
 669
 670 dnl programs needed by the build and install process
 671 AC_PROG_INSTALL
 672 AC_CHECK_TOOL(AR, ar)
 673 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 674 dnl This allows people to set it when running configure or make
 675 test -n "$ARFLAGS" || ARFLAGS="cr"
 676 AC_PROG_RANLIB
 677 AC_PROG_YACC
 678 AC_PROG_MAKE_SET
 679
 680 case "$ac_cv_prog_YACC" in
 681 *bison*)        ;;
 682 *)      AC_MSG_WARN([bison not available; needed to process parse.y]) ;;
 683 esac
 684
 685 case "$host_os" in
 686 opennt*|interix*)       MAKE_SHELL="$INTERIX_ROOT/bin/sh" ;;
 687 *)                      MAKE_SHELL=/bin/sh ;;
 688 esac
 689 AC_SUBST(MAKE_SHELL)
 690
 691 dnl this is similar to the expanded AC_PROG_RANLIB
 692 if test x$SIZE = x; then
 693         if test x$ac_tool_prefix = x; then
 694                 SIZE=size
 695         else
 696                 SIZE=${ac_tool_prefix}size
 697                 save_IFS=$IFS ; IFS=:
 698                 size_found=0
 699                 for dir in $PATH; do
 700                         if test -x $dir/$SIZE ; then
 701                                 size_found=1
 702                                 break
 703                         fi
 704                 done
 705                 if test $size_found -eq 0; then
 706                         SIZE=:
 707                 fi
 708                 IFS=$save_IFS
 709         fi
 710 fi
 711 AC_SUBST(SIZE)
 712
 713 m4_include([m4/stat-time.m4])
 714 m4_include([m4/timespec.m4])
 715
 716 m4_include([m4/strtoimax.m4])
 717
 718 dnl include files for gettext
 719
 720 m4_include([m4/codeset.m4])
 721 m4_include([m4/extern-inline.m4])
 722 m4_include([m4/fcntl-o.m4])
 723 m4_include([m4/gettext.m4])
 724 m4_include([m4/glibc2.m4])
 725 m4_include([m4/glibc21.m4])
 726 m4_include([m4/host-cpu-c-abi.m4])
 727 m4_include([m4/iconv.m4])
 728 m4_include([m4/intdiv0.m4])
 729 m4_include([m4/intl.m4])
 730 m4_include([m4/intlmacosx.m4])
 731 m4_include([m4/intl-thread-locale.m4])
 732 m4_include([m4/intmax.m4])
 733 m4_include([m4/inttypes-pri.m4])
 734 m4_include([m4/inttypes.m4])
 735 m4_include([m4/inttypes_h.m4])
 736 m4_include([m4/lcmessage.m4])
 737 m4_include([m4/lib-ld.m4])
 738 m4_include([m4/lib-link.m4])
 739 m4_include([m4/lib-prefix.m4])
 740 m4_include([m4/lock.m4])
 741 m4_include([m4/nls.m4])
 742 m4_include([m4/po.m4])
 743 m4_include([m4/printf-posix.m4])
 744 m4_include([m4/progtest.m4])
 745 m4_include([m4/pthread_rwlock_rdlock.m4])
 746 m4_include([m4/size_max.m4])
 747 m4_include([m4/stdint_h.m4])
 748 m4_include([m4/threadlib.m4])
 749 m4_include([m4/uintmax_t.m4])
 750 m4_include([m4/ulonglong.m4])
 751 m4_include([m4/visibility.m4])
 752 m4_include([m4/wchar_t.m4])
 753 m4_include([m4/wint_t.m4])
 754 m4_include([m4/xsize.m4])
 755
 756 dnl C compiler characteristics
 757 AC_C_CONST
 758 AC_C_INLINE
 759 AC_C_BIGENDIAN
 760 AC_C_STRINGIZE
 761 AC_TYPE_LONG_DOUBLE
 762 AC_C_PROTOTYPES
 763 AC_C_CHAR_UNSIGNED
 764 AC_C_VOLATILE
 765 AC_C_RESTRICT
 766
 767 dnl initialize GNU gettext
 768 BASH_GNU_GETTEXT([no-libtool], [need-ngettext], [lib/intl])
 769
 770 dnl header files
 771 AC_HEADER_DIRENT
 772 AC_HEADER_MAJOR
 773
 774 BASH_HEADER_INTTYPES
 775
 776 AC_CHECK_HEADERS(unistd.h stdlib.h stdarg.h varargs.h limits.h string.h \
 777                  memory.h locale.h termcap.h termio.h termios.h dlfcn.h \
 778                  stdbool.h stddef.h stdint.h netdb.h pwd.h grp.h strings.h \
 779                  regex.h syslog.h ulimit.h)
 780 AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h sys/ioctl.h \
 781                  sys/mman.h sys/param.h sys/random.h sys/socket.h sys/stat.h \
 782                  sys/time.h sys/times.h sys/types.h sys/wait.h)
 783 AC_CHECK_HEADERS(netinet/in.h arpa/inet.h)
 784
 785 dnl sys/ptem.h requires definitions from sys/stream.h on systems where it
 786 dnl exists
 787 AC_CHECK_HEADER(sys/ptem.h, , ,[[
 788 #if HAVE_SYS_STREAM_H
 789 #  include <sys/stream.h>
 790 #endif
 791 ]])
 792
 793 dnl SunOS 4 needs to include <sys/time.h> before <sys/resource.h> to compile
 794 dnl autoconf complains about presence but inability to compile
 795 AC_CHECK_HEADER(sys/resource.h, AC_DEFINE(HAVE_SYS_RESOURCE_H), [], [[
 796 #if HAVE_SYS_TIME_H
 797 #  include <sys/time.h>
 798 #endif
 799 ]])
 800
 801 dnl special checks for libc functions
 802 AC_FUNC_ALLOCA
 803 AC_FUNC_CHOWN
 804 AC_FUNC_GETPGRP
 805 AC_FUNC_VPRINTF
 806 AC_FUNC_STRCOLL
 807
 808 dnl if we're not using the bash malloc but require the C alloca, set things
 809 dnl up to build a libmalloc.a containing only alloca.o
 810
 811 if test "$ac_cv_func_alloca_works" = "no" && test "$opt_bash_malloc" = "no"; then
 812         MALLOC_TARGET=alloca
 813         MALLOC_SRC=alloca.c
 814
 815         MALLOC_LIB='-lmalloc'
 816         MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
 817         MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
 818         MALLOC_DEP='$(MALLOC_LIBRARY)'
 819 fi
 820
 821 dnl if vprintf is not in libc, see if it's defined in stdio.h
 822 if test "$ac_cv_func_vprintf" = no; then
 823     AC_MSG_CHECKING(for declaration of vprintf in stdio.h)
 824     AC_EGREP_HEADER([[int[      ]*vprintf[^a-zA-Z0-9]]],stdio.h,ac_cv_func_vprintf=yes)
 825     AC_MSG_RESULT($ac_cv_func_vprintf)
 826     if test $ac_cv_func_vprintf = yes; then
 827         AC_DEFINE(HAVE_VPRINTF)
 828     fi
 829 fi
 830
 831 if test "$ac_cv_func_vprintf" = no && test "$ac_cv_func__doprnt" = "yes"; then
 832   AC_LIBOBJ(vprint)
 833 fi
 834
 835 dnl checks for certain version-specific system calls and libc functions
 836 AC_CHECK_FUNC(__setostype, AC_DEFINE(HAVE_SETOSTYPE))
 837 AC_CHECK_FUNC(wait3, AC_DEFINE(HAVE_WAIT3))
 838
 839 dnl checks for missing libc functions
 840 AC_CHECK_FUNC(mkfifo, AC_DEFINE(HAVE_MKFIFO), AC_DEFINE(MKFIFO_MISSING))
 841
 842 dnl checks for system calls
 843 AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getentropy getgroups \
 844                 gethostname getpagesize getpeername getrandom getrlimit \
 845                 getrusage gettimeofday kill killpg lstat pselect readlink \
 846                 select setdtablesize setitimer tcgetpgrp uname ulimit waitpid)
 847 AC_REPLACE_FUNCS(rename)
 848
 849 dnl checks for c library functions
 850 AC_CHECK_FUNCS(bcopy bzero confstr faccessat fnmatch \
 851                 getaddrinfo gethostbyname getservbyname getservent inet_aton \
 852                 imaxdiv memmove pathconf putenv raise random regcomp regexec \
 853                 setenv setlinebuf setlocale setvbuf siginterrupt strchr \
 854                 sysconf syslog tcgetattr times ttyname tzset unsetenv)
 855
 856 AC_CHECK_FUNCS(vasprintf asprintf)
 857 AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
 858 AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
 859 AC_CHECK_FUNCS(mkstemp mkdtemp)
 860 AC_CHECK_FUNCS(arc4random)
 861
 862 AC_REPLACE_FUNCS(getcwd memset)
 863 AC_REPLACE_FUNCS(strcasecmp strcasestr strerror strftime strnlen strpbrk strstr)
 864 AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoumax)
 865 AC_REPLACE_FUNCS(dprintf)
 866 AC_REPLACE_FUNCS(strchrnul)
 867 AC_REPLACE_FUNCS(strdup)
 868
 869 AC_CHECK_HEADERS(libaudit.h)
 870 AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]])
 871
 872 AC_CHECK_DECLS([confstr])
 873 AC_CHECK_DECLS([printf])
 874 AC_CHECK_DECLS([sbrk])
 875 AC_CHECK_DECLS([setregid])
 876 AC_CHECK_DECLS([strcpy])
 877 AC_CHECK_DECLS([strsignal])
 878
 879 AC_CHECK_FUNCS(setresuid setresgid)
 880
 881 dnl Extra test to detect the horribly broken HP/UX 11.00 strtold(3)
 882 AC_CHECK_DECLS([strtold], [
 883     AC_MSG_CHECKING([for broken strtold])
 884     AC_CACHE_VAL(bash_cv_strtold_broken,
 885         [AC_COMPILE_IFELSE(
 886                 [AC_LANG_PROGRAM(
 887                 [[#include <stdlib.h>]],
 888                 [[long double r; char *foo, bar; r = strtold(foo, &bar);]]
 889         )],
 890         [bash_cv_strtold_broken=no],[bash_cv_strtold_broken=yes])
 891         ]
 892     )
 893     AC_MSG_RESULT($bash_cv_strtold_broken)
 894     if test "$bash_cv_strtold_broken" = "yes" ; then
 895         AC_DEFINE(STRTOLD_BROKEN)
 896     fi
 897 ])
 898
 899 AC_CHECK_DECLS(strtol)
 900 AC_CHECK_DECLS(strtoll)
 901 AC_CHECK_DECLS(strtoul)
 902 AC_CHECK_DECLS(strtoull)
 903 AC_CHECK_DECLS(strtoumax)
 904
 905 AC_FUNC_MKTIME
 906
 907 dnl
 908 dnl Checks for lib/intl and related code (uses some of the output from
 909 dnl BASH_GNU_GETTEXT)
 910 dnl
 911
 912 AC_CHECK_HEADERS([argz.h errno.h fcntl.h malloc.h stdio_ext.h])
 913
 914 dnl AC_FUNC_MALLOC
 915 AC_FUNC_MMAP
 916 AC_CHECK_FUNCS([__argz_count __argz_next __argz_stringify dcgettext mempcpy \
 917                 munmap mremap stpcpy strcspn])
 918
 919 INTL_DEP= INTL_INC= LIBINTL_H=
 920 if test "x$USE_INCLUDED_LIBINTL" = "xyes"; then
 921         INTL_DEP='${INTL_LIBDIR}/libintl.a'
 922         INTL_INC='-I${INTL_LIBSRC} -I${INTL_BUILDDIR}'
 923         LIBINTL_H='${INTL_BUILDDIR}/libintl.h'
 924 fi
 925 AC_SUBST(INTL_DEP)
 926 AC_SUBST(INTL_INC)
 927 AC_SUBST(LIBINTL_H)
 928
 929 dnl
 930 dnl End of checks needed by files in lib/intl
 931 dnl
 932
 933 BASH_CHECK_MULTIBYTE
 934
 935 dnl checks for the dynamic loading library functions in libc and libdl
 936 if test "$opt_static_link" != yes; then
 937 AC_CHECK_LIB(dl, dlopen)
 938 AC_CHECK_FUNCS(dlopen dlclose dlsym)
 939 fi
 940
 941 dnl network functions -- check for inet_aton again
 942 if test "$ac_cv_func_inet_aton" != 'yes'; then
 943 BASH_FUNC_INET_ATON
 944 fi
 945
 946 dnl libraries
 947 dnl this is reportedly no longer necessary for irix[56].?
 948 case "$host_os" in
 949 irix4*) AC_CHECK_LIB(sun, getpwent) ;;
 950 esac
 951
 952 dnl check for getpeername in the socket library only if it's not in libc
 953 if test "$ac_cv_func_getpeername" = no; then
 954         BASH_CHECK_LIB_SOCKET
 955 fi
 956 dnl check for gethostbyname in socket libraries if it's not in libc
 957 if test "$ac_cv_func_gethostbyname" = no; then
 958         BASH_FUNC_GETHOSTBYNAME
 959 fi
 960
 961 dnl system types
 962 AC_TYPE_GETGROUPS
 963 AC_TYPE_OFF_T
 964 AC_TYPE_MODE_T
 965 AC_TYPE_UID_T
 966 AC_TYPE_PID_T
 967 AC_TYPE_SIZE_T
 968 AC_TYPE_UINTPTR_T
 969
 970 AC_CHECK_TYPE(ssize_t, int)
 971 AC_CHECK_TYPE(time_t, long)
 972
 973 AC_TYPE_LONG_LONG_INT
 974 AC_TYPE_UNSIGNED_LONG_LONG_INT
 975
 976 BASH_TYPE_SIG_ATOMIC_T
 977
 978 AC_CHECK_SIZEOF(char, 1)
 979 AC_CHECK_SIZEOF(short, 2)
 980 AC_CHECK_SIZEOF(int, 4)
 981 AC_CHECK_SIZEOF(long, 4)
 982 AC_CHECK_SIZEOF(char *, 4)
 983 AC_CHECK_SIZEOF(size_t, 4)
 984 AC_CHECK_SIZEOF(double, 8)
 985 AC_CHECK_SIZEOF([long long], 8)
 986
 987 AC_CHECK_TYPE(u_int, [unsigned int])
 988 AC_CHECK_TYPE(u_long, [unsigned long])
 989
 990 BASH_TYPE_BITS16_T
 991 BASH_TYPE_U_BITS16_T
 992 BASH_TYPE_BITS32_T
 993 BASH_TYPE_U_BITS32_T
 994 BASH_TYPE_BITS64_T
 995
 996 BASH_TYPE_PTRDIFF_T
 997
 998 dnl structures
 999 AC_HEADER_STAT
1000
1001 dnl system services
1002 AC_SYS_INTERPRETER
1003 if test $ac_cv_sys_interpreter = yes; then
1004 AC_DEFINE(HAVE_HASH_BANG_EXEC)
1005 fi
1006
1007 dnl Miscellaneous Bash tests
1008 if test "$ac_cv_func_lstat" = "no"; then
1009 BASH_FUNC_LSTAT
1010 fi
1011
1012 dnl behavior of system calls and library functions
1013 BASH_FUNC_DUP2_CLOEXEC_CHECK
1014 BASH_SYS_PGRP_SYNC
1015 BASH_SYS_SIGNAL_VINTAGE
1016
1017 dnl checking for the presence of certain library symbols
1018 BASH_SYS_ERRLIST
1019 BASH_SYS_SIGLIST
1020 BASH_UNDER_SYS_SIGLIST
1021
1022 dnl various system types
1023 BASH_CHECK_TYPE(clock_t, [#include <sys/times.h>], long)
1024 BASH_CHECK_TYPE(sigset_t, [#include <signal.h>], int)
1025 if test "$ac_cv_header_sys_socket_h" = "yes"; then
1026 BASH_CHECK_TYPE(socklen_t, [#include <sys/socket.h>], [unsigned int], HAVE_SOCKLEN_T)
1027 fi
1028
1029 AC_CHECK_TYPE(quad_t, AC_DEFINE([HAVE_QUAD_T], [1]), [], )
1030 BASH_TYPE_RLIMIT
1031
1032 AC_TYPE_INTMAX_T
1033 AC_TYPE_UINTMAX_T
1034
1035 AC_CHECK_SIZEOF(intmax_t, 8)
1036
1037 dnl presence and contents of structures used by system calls
1038 BASH_STRUCT_TERMIOS_LDISC
1039 BASH_STRUCT_TERMIO_LDISC
1040 BASH_STRUCT_DIRENT_D_INO
1041 BASH_STRUCT_DIRENT_D_FILENO
1042 BASH_STRUCT_DIRENT_D_NAMLEN
1043 BASH_STRUCT_WINSIZE
1044 BASH_STRUCT_TIMEVAL
1045 AC_CHECK_MEMBERS([struct stat.st_blocks])
1046 AC_STRUCT_TM
1047 AC_STRUCT_TIMEZONE
1048 BASH_STRUCT_TIMEZONE
1049
1050 BASH_STRUCT_WEXITSTATUS_OFFSET
1051
1052 BASH_CHECK_TYPE_STRUCT_TIMESPEC
1053 BASH_STAT_TIME
1054
1055 dnl checks for system calls
1056 BASH_FUNC_SBRK
1057
1058 dnl presence and behavior of C library functions
1059 BASH_FUNC_STRSIGNAL
1060 BASH_FUNC_OPENDIR_CHECK
1061 BASH_FUNC_ULIMIT_MAXFDS
1062 BASH_FUNC_FPURGE
1063 BASH_FUNC_GETENV
1064 if test "$ac_cv_func_getcwd" = "yes"; then
1065 BASH_FUNC_GETCWD
1066 fi
1067 BASH_FUNC_POSIX_SETJMP
1068 BASH_FUNC_STRCOLL
1069 BASH_FUNC_SNPRINTF
1070 BASH_FUNC_VSNPRINTF
1071
1072 BASH_FUNC_STRTOIMAX
1073
1074 dnl If putenv or unsetenv is not present, set the right define so the
1075 dnl prototype and declaration in lib/sh/getenv.c will be standard-conformant
1076
1077 if test "$ac_cv_func_putenv" = "yes"; then
1078 BASH_FUNC_STD_PUTENV
1079 else
1080 AC_DEFINE(HAVE_STD_PUTENV)
1081 fi
1082 if test "$ac_cv_func_unsetenv" = "yes"; then
1083 BASH_FUNC_STD_UNSETENV
1084 else
1085 AC_DEFINE(HAVE_STD_UNSETENV)
1086 fi
1087
1088 BASH_FUNC_PRINTF_A_FORMAT
1089
1090 BASH_FUNC_FNMATCH_EQUIV_FALLBACK
1091
1092 dnl presence and behavior of OS functions
1093 BASH_SYS_REINSTALL_SIGHANDLERS
1094 BASH_SYS_JOB_CONTROL_MISSING
1095 BASH_SYS_NAMED_PIPES
1096
1097 dnl presence of certain CPP defines
1098 AC_HEADER_TIOCGWINSZ
1099 BASH_HAVE_TIOCSTAT
1100 BASH_HAVE_FIONREAD
1101
1102 BASH_CHECK_WCONTINUED
1103
1104 dnl miscellaneous
1105 BASH_CHECK_SPEED_T
1106 BASH_CHECK_GETPW_FUNCS
1107 BASH_CHECK_RTSIGS
1108 BASH_CHECK_SYS_SIGLIST
1109
1110 dnl special checks
1111 case "$host_os" in
1112 hpux*)  BASH_CHECK_KERNEL_RLIMIT ;;
1113 esac
1114
1115 if test "$opt_readline" = yes; then
1116 dnl yuck
1117 case "$host_os" in
1118 aix*)   prefer_curses=yes ;;
1119 esac
1120 BASH_CHECK_LIB_TERMCAP
1121 fi
1122 AC_SUBST(TERMCAP_LIB)
1123 AC_SUBST(TERMCAP_DEP)
1124
1125 BASH_CHECK_DEV_FD
1126 BASH_CHECK_DEV_STDIN
1127 BASH_SYS_DEFAULT_MAIL_DIR
1128
1129 if test "$bash_cv_job_control_missing" = missing; then
1130         opt_job_control=no
1131 fi
1132
1133 if test "$opt_job_control" = yes; then
1134 AC_DEFINE(JOB_CONTROL)
1135 JOBS_O=jobs.o
1136 else
1137 JOBS_O=nojobs.o
1138 fi
1139
1140 AC_SUBST(JOBS_O)
1141
1142 dnl Defines that we want to propagate to the Makefiles in subdirectories,
1143 dnl like glob and readline
1144
1145 LOCAL_DEFS=-DSHELL
1146
1147 dnl use this section to possibly define more cpp variables, specify local
1148 dnl libraries, and specify any additional local cc or ld flags
1149 dnl
1150 dnl most of these are really old; this should really go away someday
1151
1152 case "${host_os}" in
1153 sysv4.2*)       AC_DEFINE(SVR4_2)
1154                 AC_DEFINE(SVR4) ;;
1155 sysv4*)         AC_DEFINE(SVR4) ;;
1156 sysv5*)         AC_DEFINE(SVR5) ;;
1157 hpux9*)         LOCAL_CFLAGS="-DHPUX9 -DHPUX -DTGETENT_BROKEN -DTGETFLAG_BROKEN" ;;
1158 hpux*)          LOCAL_CFLAGS="-DHPUX -DTGETENT_BROKEN -DTGETFLAG_BROKEN" ;;
1159 dgux*)          LOCAL_CFLAGS=-D_DGUX_SOURCE; LOCAL_LIBS=-ldgc ;;
1160 isc*)           LOCAL_CFLAGS=-Disc386 ;;
1161 rhapsody*)      LOCAL_CFLAGS=-DRHAPSODY ;;
1162 darwin*)        LOCAL_CFLAGS=-DMACOSX ;;
1163 sco3.2v5*)      LOCAL_CFLAGS="-b elf -DWAITPID_BROKEN -DPATH_MAX=1024" ;;
1164 sco3.2v4*)      LOCAL_CFLAGS="-DMUST_UNBLOCK_CHLD -DPATH_MAX=1024" ;;
1165 sco3.2*)        LOCAL_CFLAGS=-DMUST_UNBLOCK_CHLD ;;
1166 sunos4*)        LOCAL_CFLAGS=-DSunOS4 ;;
1167 solaris2.5*)    LOCAL_CFLAGS="-DSunOS5 -DSOLARIS" ;;
1168 solaris2.8*)    LOCAL_CFLAGS=-DSOLARIS  ;;
1169 solaris2.9*)    LOCAL_CFLAGS=-DSOLARIS  ;;
1170 solaris2.10*)   LOCAL_CFLAGS=-DSOLARIS  ;;
1171 solaris2*)      LOCAL_CFLAGS=-DSOLARIS ;;
1172 lynxos*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
1173 linux*)         LOCAL_LDFLAGS=-rdynamic          # allow dynamic loading
1174                 case "`uname -r`" in
1175                 1.*|2.[[0123]]*)        : ;;
1176                 *)      AC_DEFINE(PGRP_PIPE) ;;
1177                 esac ;;
1178 netbsd*|openbsd*)       LOCAL_CFLAGS="-DDEV_FD_STAT_BROKEN" ;;
1179 freebsd*|midnightbsd*)  LOCAL_CFLAGS='-DHEREDOC_PIPESIZE=4096' ;;
1180 *qnx[[67]]*)    LOCAL_LIBS="-lncurses" ;;
1181 *qnx*)          LOCAL_CFLAGS="-Dqnx -F -3s" LOCAL_LDFLAGS="-3s" LOCAL_LIBS="-lunix -lncurses" ;;
1182 powerux*)       LOCAL_LIBS="-lgen" ;;
1183 cygwin*)        LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
1184 opennt*|interix*) LOCAL_CFLAGS="-DNO_MAIN_ENV_ARG -DBROKEN_DIRENT_D_INO -D_POSIX_SOURCE -D_ALL_SOURCE -DRECYCLES_PIDS" ;;
1185 *openstep*)     LOCAL_CFLAGS="-D__APPLE_CC__" ;;
1186 esac
1187
1188 dnl Stanza for OS/compiler pair-specific flags
1189 case "${host_os}-${CC}" in
1190 aix4.2*-*gcc*)  LOCAL_LDFLAGS="-Xlinker -bexpall -Xlinker -brtl" ;;
1191 aix4.2*)        LOCAL_LDFLAGS="-bexpall -brtl" ;;
1192 bsdi4*-*gcc*)   LOCAL_LDFLAGS="-rdynamic" ;;    # allow dynamic loading, like Linux
1193 bsdi5*-*gcc*)   LOCAL_LDFLAGS="-rdynamic" ;;    # allow dynamic loading, like Linux
1194 hpux11*-gcc*)   LOCAL_LDFLAGS="-Wl,-E" ;;       # allow dynamic loading
1195 esac
1196
1197 dnl FreeBSD-3.x can have either a.out or ELF
1198 case "${host_os}" in
1199 freebsd[[3-9]]*)
1200                 if test -x /usr/bin/objformat && test "`/usr/bin/objformat`" = "elf" ; then
1201                         LOCAL_LDFLAGS=-rdynamic # allow dynamic loading
1202                 fi ;;
1203 freebsdelf*)    LOCAL_LDFLAGS=-rdynamic ;;      # allow dynamic loading
1204 dragonfly*)     LOCAL_LDFLAGS=-rdynamic ;;      # allow dynamic loading
1205 midnightbsd*)   LOCAL_LDFLAGS=-rdynamic ;;      # allow dynamic loading
1206 esac
1207
1208 case "$host_cpu" in
1209 *cray*)         LOCAL_CFLAGS="-DCRAY" ;; # shell var so config.h can use it
1210 esac
1211
1212 case "$host_cpu-$host_os" in
1213 ibmrt-*bsd4*)   LOCAL_CFLAGS="-ma -U__STDC__" ;;
1214 esac
1215
1216 case "$host_cpu-$host_vendor-$host_os" in
1217 m88k-motorola-sysv3)    LOCAL_CFLAGS=-DWAITPID_BROKEN ;;
1218 mips-pyramid-sysv4)     LOCAL_CFLAGS=-Xa ;;
1219 esac
1220
1221 # turn off paren warnings in gcc
1222 #CFLAGS="$CFLAGS ${STYLE_CFLAGS}"
1223
1224 #
1225 # Shared object configuration section.  These values are generated by
1226 # ${srcdir}/support/shobj-conf
1227 #
1228 if test "$ac_cv_func_dlopen" = "yes" && test -f ${srcdir}/support/shobj-conf
1229 then
1230         AC_MSG_CHECKING(shared object configuration for loadable builtins)
1231         eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c "${host_cpu}" -o "${host_os}" -v "${host_vendor}"`
1232         AC_SUBST(SHOBJ_CC)
1233         AC_SUBST(SHOBJ_CFLAGS)
1234         AC_SUBST(SHOBJ_LD)
1235         AC_SUBST(SHOBJ_LDFLAGS)
1236         AC_SUBST(SHOBJ_XLDFLAGS)
1237         AC_SUBST(SHOBJ_LIBS)
1238         AC_SUBST(SHOBJ_STATUS)
1239         AC_MSG_RESULT($SHOBJ_STATUS)
1240 else
1241         SHOBJ_STATUS=unsupported
1242         AC_SUBST(SHOBJ_STATUS)
1243 fi
1244
1245 # try to create a directory tree if the source is elsewhere
1246 # this should be packaged into a script accessible via ${srcdir}/support
1247 case "$srcdir" in
1248 .)      ;;
1249 *)      for d in doc tests support lib examples; do     # dirs
1250                 test -d $d || mkdir $d
1251         done
1252         for ld in readline glob tilde malloc sh termcap; do     # libdirs
1253                 test -d lib/$ld || mkdir lib/$ld
1254         done
1255         test -d examples/loadables || mkdir examples/loadables  # loadable builtins
1256         test -d examples/loadables/perl || mkdir examples/loadables/perl
1257         ;;
1258 esac
1259
1260 BUILD_DIR=`pwd`
1261 case "$BUILD_DIR" in
1262 *\ *)   BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
1263 *)      ;;
1264 esac
1265
1266 if test -z "$localedir"; then
1267         localedir='${datarootdir}/locale'
1268 fi
1269 if test -z "$datarootdir"; then
1270         datarootdir='${prefix}/share'
1271 fi
1272
1273 AC_SUBST(PROFILE_FLAGS)
1274
1275 AC_SUBST(incdir)
1276 AC_SUBST(BUILD_DIR)
1277
1278 # Some versions of autoconf don't substitute these automatically
1279 AC_SUBST(datarootdir)
1280 AC_SUBST(localedir)
1281
1282 # directory where we install dynamically loadable builtins
1283 if test -z "$loadablesdir"; then
1284         loadablesdir='${libdir}/bash'
1285 fi
1286 AC_SUBST(loadablesdir)
1287 if test -z "$headersdir"; then
1288         headersdir='$(includedir)/$(PACKAGE_NAME)'
1289 fi
1290 AC_SUBST(headersdir)
1291
1292 AC_SUBST(YACC)
1293 AC_SUBST(AR)
1294 AC_SUBST(ARFLAGS)
1295
1296 AC_SUBST(BASHVERS)
1297 AC_SUBST(RELSTATUS)
1298 AC_SUBST(DEBUG)
1299 AC_SUBST(MALLOC_DEBUG)
1300
1301 AC_SUBST(host_cpu)
1302 AC_SUBST(host_vendor)
1303 AC_SUBST(host_os)
1304
1305 AC_SUBST(LOCAL_LIBS)
1306 AC_SUBST(LOCAL_CFLAGS)
1307 AC_SUBST(LOCAL_LDFLAGS)
1308 AC_SUBST(LOCAL_DEFS)
1309
1310 #AC_SUBST(ALLOCA_SOURCE)
1311 #AC_SUBST(ALLOCA_OBJECT)
1312
1313 AC_CONFIG_FILES([Makefile builtins/Makefile lib/readline/Makefile \
1314                  lib/glob/Makefile lib/intl/Makefile \
1315                  lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile \
1316                  lib/tilde/Makefile doc/Makefile support/Makefile \
1317                  po/Makefile.in examples/loadables/Makefile \
1318                  examples/loadables/Makefile.inc \
1319                  examples/loadables/Makefile.sample \
1320                  examples/loadables/perl/Makefile \
1321                  support/bash.pc support/bashbug.sh])
1322
1323 dnl Makefile uses this timestamp file to record whether config.h is up to date.
1324 AC_CONFIG_COMMANDS([stamp-h], [echo timestamp > stamp-h])
1325
1326 AC_OUTPUT