configure.in

   1 dnl   configuration script for Guile
   2 dnl   Process this file with autoconf to produce configure.
   3 dnl
   4
   5 define(GUILE_CONFIGURE_COPYRIGHT,[[
   6
   7 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
   8
   9 This file is part of GUILE
  10
  11 GUILE is free software; you can redistribute it and/or modify it
  12 under the terms of the GNU General Public License as published by
  13 the Free Software Foundation; either version 2, or (at your
  14 option) any later version.
  15
  16 GUILE is distributed in the hope that it will be useful, but
  17 WITHOUT ANY WARRANTY; without even the implied warranty of
  18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19 General Public License for more details.
  20
  21 You should have received a copy of the GNU General Public License
  22 along with GUILE; see the file COPYING.  If not, write to the
  23 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 Boston, MA 02111-1307, USA.
  25
  26 ]])
  27
  28 AC_PREREQ(2.53)
  29
  30 AC_INIT(m4_esyscmd(. ./GUILE-VERSION && echo -n ${PACKAGE}),
  31         m4_esyscmd(. ./GUILE-VERSION && echo -n ${GUILE_VERSION}))
  32 AC_CONFIG_SRCDIR(GUILE-VERSION)
  33 AM_INIT_AUTOMAKE([no-define])
  34
  35 AC_COPYRIGHT(GUILE_CONFIGURE_COPYRIGHT)
  36 AC_CONFIG_SRCDIR([GUILE-VERSION])
  37
  38 . $srcdir/GUILE-VERSION
  39
  40 AM_MAINTAINER_MODE
  41 AM_CONFIG_HEADER([config.h])
  42 AH_TOP(/*GUILE_CONFIGURE_COPYRIGHT*/)
  43
  44 #--------------------------------------------------------------------
  45 #
  46 # Independent Subdirectories
  47 #
  48 #--------------------------------------------------------------------
  49
  50 AC_CONFIG_SUBDIRS(guile-readline)
  51
  52 #--------------------------------------------------------------------
  53
  54 dnl Some more checks for Win32
  55 AC_CYGWIN
  56 AC_MINGW32
  57 AC_LIBTOOL_WIN32_DLL
  58
  59 AC_PROG_INSTALL
  60 AC_PROG_CC
  61 AC_PROG_CPP
  62 AC_PROG_AWK
  63
  64 AC_AIX
  65 AC_ISC_POSIX
  66 AC_MINIX
  67
  68 AM_PROG_CC_STDC
  69
  70 AC_LIBTOOL_DLOPEN
  71 AC_PROG_LIBTOOL
  72 AC_LIB_LTDL
  73
  74 AC_CHECK_PROG(have_makeinfo, makeinfo, yes, no)
  75 AM_CONDITIONAL(HAVE_MAKEINFO, test "$have_makeinfo" = yes)
  76
  77 AM_PATH_LISPDIR
  78
  79 #--------------------------------------------------------------------
  80 #
  81 # User options (after above tests that may set default CFLAGS etc.)
  82 #
  83 #--------------------------------------------------------------------
  84
  85 GUILE_ERROR_ON_WARNING="yes"
  86
  87 AC_ARG_ENABLE(error-on-warning,
  88   [  --enable-error-on-warning    treat compile warnings as errors],
  89   [case "${enableval}" in
  90      yes | y) GUILE_ERROR_ON_WARNING="yes" ;;
  91      no | n)  GUILE_ERROR_ON_WARNING="no" ;;
  92      *) AC_MSG_ERROR(bad value ${enableval} for --enable-error-on-warning) ;;
  93    esac])
  94
  95 SCM_I_GSC_GUILE_DEBUG_FREELIST=0
  96 AC_ARG_ENABLE(debug-freelist,
  97   [  --enable-debug-freelist include garbage collector freelist debugging code],
  98   if test "$enable_debug_freelist" = y \
  99      || test "$enable_debug_freelist" = yes; then
 100     SCM_I_GSC_GUILE_DEBUG_FREELIST=1
 101   fi)
 102
 103 AC_ARG_ENABLE(debug-malloc,
 104   [  --enable-debug-malloc   include malloc debugging code],
 105   if test "$enable_debug_malloc" = y || test "$enable_debug_malloc" = yes; then
 106     AC_DEFINE(GUILE_DEBUG_MALLOC, 1,
 107       [Define this if you want to debug scm_must_malloc/realloc/free calls.])
 108   fi)
 109
 110 SCM_I_GSC_GUILE_DEBUG=0
 111 AC_ARG_ENABLE(guile-debug,
 112   [AC_HELP_STRING([--enable-guile-debug],
 113                   [include internal debugging functions])],
 114   if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then
 115     SCM_I_GSC_GUILE_DEBUG=1
 116   fi)
 117
 118 AC_ARG_ENABLE(arrays,
 119   [AC_HELP_STRING([--disable-arrays],[omit array and uniform array support])],
 120   ,
 121   enable_arrays=yes)
 122
 123 AC_ARG_ENABLE(posix,
 124   [  --disable-posix         omit posix interfaces],,
 125   enable_posix=yes)
 126
 127 AC_ARG_ENABLE(networking,
 128   [  --disable-networking    omit networking interfaces],,
 129   enable_networking=yes)
 130
 131 AC_ARG_ENABLE(regex,
 132   [  --disable-regex         omit regular expression interfaces],,
 133   enable_regex=yes)
 134
 135 AC_ARG_ENABLE([deprecated],
 136   AC_HELP_STRING([--disable-deprecated],[omit deprecated features]))
 137
 138 if test "$enable_deprecated" = no; then
 139   SCM_I_GSC_ENABLE_DEPRECATED=0
 140 else
 141   if test "$enable_deprecated" = yes || test "$enable_deprecated" = ""; then
 142     warn_default=summary
 143   elif test "$enable_deprecated" = shutup; then
 144     warn_default=no
 145   else
 146     warn_default=$enable_deprecated
 147   fi
 148   SCM_I_GSC_ENABLE_DEPRECATED=1
 149   AC_DEFINE_UNQUOTED(SCM_WARN_DEPRECATED_DEFAULT, "$warn_default",
 150   [Define this to control the default warning level for deprecated features.])
 151 fi
 152
 153 AC_ARG_ENABLE(elisp,
 154   [  --disable-elisp         omit Emacs Lisp support],,
 155   enable_elisp=yes)
 156
 157 #--------------------------------------------------------------------
 158
 159 dnl Check for dynamic linking
 160
 161 use_modules=yes
 162 AC_ARG_WITH(modules,
 163 [  --with-modules[=FILES]  Add support for dynamic modules],
 164 use_modules="$withval")
 165 test -z "$use_modules" && use_modules=yes
 166 DLPREOPEN=
 167 if test "$use_modules" != no; then
 168   if test "$use_modules" = yes; then
 169     DLPREOPEN="-dlpreopen force"
 170   else
 171     DLPREOPEN="-export-dynamic"
 172     for module in $use_modules; do
 173       DLPREOPEN="$DLPREOPEN -dlopen $module"
 174     done
 175   fi
 176 fi
 177
 178 dnl files which are destined for separate modules.
 179
 180 if test "$use_modules" != no; then
 181    AC_LIBOBJ([dynl])
 182 fi
 183
 184 SCM_I_GSC_HAVE_ARRAYS=0
 185 if test "$enable_arrays" = yes; then
 186    AC_LIBOBJ([ramap])
 187    AC_LIBOBJ([unif])
 188    SCM_I_GSC_HAVE_ARRAYS=1
 189 fi
 190
 191 if test "$enable_posix" = yes; then
 192    AC_LIBOBJ([filesys])
 193    AC_LIBOBJ([posix])
 194    AC_DEFINE(HAVE_POSIX, 1,
 195      [Define this if you want support for POSIX system calls in Guile.])
 196 fi
 197
 198 if test "$enable_networking" = yes; then
 199    AC_LIBOBJ([net_db])
 200    AC_LIBOBJ([socket])
 201    AC_DEFINE(HAVE_NETWORKING, 1,
 202      [Define this if you want support for networking in Guile.])
 203 fi
 204
 205 if test "$enable_debug_malloc" = yes; then
 206    AC_LIBOBJ([debug-malloc])
 207 fi
 208
 209 if test "$enable_elisp" = yes; then
 210   SCM_I_GSC_ENABLE_ELISP=1
 211 else
 212   SCM_I_GSC_ENABLE_ELISP=0
 213 fi
 214
 215 AC_C_CONST
 216
 217 AC_C_INLINE
 218 if test "$ac_cv_c_inline" != no; then
 219   SCM_I_GSC_C_INLINE="\"${ac_cv_c_inline}\""
 220 else
 221   SCM_I_GSC_C_INLINE=NULL
 222 fi
 223
 224 AC_C_BIGENDIAN
 225
 226 AC_CHECK_SIZEOF(char)
 227 AC_CHECK_SIZEOF(unsigned char)
 228 AC_CHECK_SIZEOF(short)
 229 AC_CHECK_SIZEOF(unsigned short)
 230 AC_CHECK_SIZEOF(int)
 231 AC_CHECK_SIZEOF(unsigned int)
 232 AC_CHECK_SIZEOF(long)
 233 AC_CHECK_SIZEOF(unsigned long)
 234 AC_CHECK_SIZEOF(size_t)
 235 AC_CHECK_SIZEOF(long long)
 236 AC_CHECK_SIZEOF(unsigned long long)
 237 AC_CHECK_SIZEOF(__int64)
 238 AC_CHECK_SIZEOF(unsigned __int64)
 239 AC_CHECK_SIZEOF(void *)
 240 AC_CHECK_SIZEOF(intptr_t)
 241 AC_CHECK_SIZEOF(uintptr_t)
 242 AC_CHECK_SIZEOF(ptrdiff_t)
 243
 244 if test "$ac_cv_sizeof_long" -ne "$ac_cv_sizeof_void_p"; then
 245   AC_MSG_ERROR(sizes of long and void* are not identical)
 246 fi
 247
 248 if test "$ac_cv_sizeof_ptrdiff_t" -eq 0; then
 249   SCM_I_GSC_T_PTRDIFF='"ptrdiff_t"'
 250 else
 251   SCM_I_GSC_T_PTRDIFF='"long"'
 252 fi
 253 AC_SUBST([SCM_I_GSC_T_PTRDIFF])
 254
 255 AC_CHECK_HEADERS([stdint.h])
 256 AC_CHECK_HEADERS([inttypes.h])
 257
 258 SCM_I_GSC_NEEDS_STDINT_H=0
 259 SCM_I_GSC_NEEDS_INTTYPES_H=0
 260
 261 ### intptr and uintptr (try not to use inttypes if we don't have to)
 262 if test "$ac_cv_header_inttypes_h" = yes; then
 263   if test "$ac_cv_sizeof_intptr_t" -eq 0; then
 264     AC_CHECK_SIZEOF([intptr_t],,[#include <inttypes.h>
 265 #include <stdio.h>])
 266     if test "$ac_cv_sizeof_intptr_t" -ne 0; then
 267       SCM_I_GSC_NEEDS_INTTYPES_H=1
 268     fi
 269   fi
 270   if test "$ac_cv_sizeof_uintptr_t" -eq 0; then
 271     AC_CHECK_SIZEOF([uintptr_t],,[#include <inttypes.h>
 272 #include <stdio.h>])
 273     if test "$ac_cv_sizeof_uintptr_t" -ne 0; then
 274       SCM_I_GSC_NEEDS_INTTYPES_H=1
 275     fi
 276   fi
 277 fi
 278
 279 ### See what's provided by stdint.h
 280 if test "$ac_cv_header_stdint_h" = yes; then
 281    AC_CHECK_TYPE([int8_t],[scm_stdint_has_int8=1],,[#include <stdint.h>])
 282    AC_CHECK_TYPE([uint8_t],[scm_stdint_has_uint8=1],,[#include <stdint.h>])
 283    AC_CHECK_TYPE([int16_t],[scm_stdint_has_int16=1],,[#include <stdint.h>])
 284    AC_CHECK_TYPE([uint16_t],[scm_stdint_has_uint16=1],,[#include <stdint.h>])
 285    AC_CHECK_TYPE([int32_t],[scm_stdint_has_int32=1],,[#include <stdint.h>])
 286    AC_CHECK_TYPE([uint32_t],[scm_stdint_has_uint32=1],,[#include <stdint.h>])
 287    AC_CHECK_TYPE([int64_t],[scm_stdint_has_int64=1],,[#include <stdint.h>])
 288    AC_CHECK_TYPE([uint64_t],[scm_stdint_has_uint64=1],,[#include <stdint.h>])
 289    AC_CHECK_TYPE([intmax_t],[scm_stdint_has_intmax=1],,[#include <stdint.h>])
 290    AC_CHECK_TYPE([uintmax_t],[scm_stdint_has_uintmax=1],,[#include <stdint.h>])
 291 fi
 292
 293 # so we don't get confused by the cache (wish there was a better way
 294 # to check particular headers for the same type...)
 295
 296 unset ac_cv_type_int8_t
 297 unset ac_cv_type_uint8_t
 298 unset ac_cv_type_int16_t
 299 unset ac_cv_type_uint16_t
 300 unset ac_cv_type_int32_t
 301 unset ac_cv_type_uint32_t
 302 unset ac_cv_type_int64_t
 303 unset ac_cv_type_uint64_t
 304 unset ac_cv_type_intmax_t
 305 unset ac_cv_type_uintmax_t
 306
 307 ### See what's provided by inttypes.h
 308 if test "$ac_cv_header_inttypes_h" = yes; then
 309   AC_CHECK_TYPE([int8_t],[scm_inttypes_has_int8=1],,[#include <inttypes.h>])
 310   AC_CHECK_TYPE([uint8_t],[scm_inttypes_has_uint8=1],,[#include <inttypes.h>])
 311   AC_CHECK_TYPE([int16_t],[scm_inttypes_has_int16=1],,[#include <inttypes.h>])
 312   AC_CHECK_TYPE([uint16_t],[scm_inttypes_has_uint16=1],,[#include <inttypes.h>])
 313   AC_CHECK_TYPE([int32_t],[scm_inttypes_has_int32=1],,[#include <inttypes.h>])
 314   AC_CHECK_TYPE([uint32_t],[scm_inttypes_has_uint32=1],,[#include <inttypes.h>])
 315   AC_CHECK_TYPE([int64_t],[scm_inttypes_has_int64=1],,[#include <inttypes.h>])
 316   AC_CHECK_TYPE([uint64_t],[scm_inttypes_has_uint64=1],,[#include <inttypes.h>])
 317   AC_CHECK_TYPE([intmax_t],[scm_inttypes_has_intmax=1],,[#include <inttypes.h>])
 318   AC_CHECK_TYPE([uintmax_t],[scm_inttypes_has_uintmax=1],,[#include <inttypes.h>])
 319 fi
 320
 321 # Try hard to find definitions for some required scm_t_*int* types.
 322
 323 ### Required type scm_t_int8
 324 if test "$scm_stdint_has_int8"; then
 325   SCM_I_GSC_T_INT8='"int8_t"'
 326   SCM_I_GSC_T_INT8_LIMITS='"INT8"'
 327   SCM_I_GSC_NEEDS_STDINT_H=1
 328 elif test "$scm_inttypes_has_int8"; then
 329   SCM_I_GSC_T_INT8='"int8_t"'
 330   SCM_I_GSC_T_INT8_LIMITS='"INT8"'
 331   SCM_I_GSC_NEEDS_INTTYPES_H=1
 332 elif test "$ac_cv_sizeof_char" -eq 1; then
 333   SCM_I_GSC_T_INT8='"signed char"'
 334   SCM_I_GSC_T_INT8_LIMITS='"SCHAR"'
 335 else
 336   AC_MSG_ERROR([Can't find appropriate type for scm_t_int8.])
 337 fi
 338 AC_SUBST([SCM_I_GSC_T_INT8])
 339 AC_SUBST([SCM_I_GSC_T_INT8_LIMITS])
 340
 341 ### Required type scm_t_uint8
 342 if test "$scm_stdint_has_uint8"; then
 343   SCM_I_GSC_T_UINT8='"uint8_t"'
 344   SCM_I_GSC_T_UINT8_LIMITS='"UINT8"'
 345   SCM_I_GSC_NEEDS_STDINT_H=1
 346 elif test "$scm_inttypes_has_uint8"; then
 347   SCM_I_GSC_T_UINT8='"uint8_t"'
 348   SCM_I_GSC_T_UINT8_LIMITS='"UINT8"'
 349   SCM_I_GSC_NEEDS_INTTYPES_H=1
 350 elif test "$ac_cv_sizeof_unsigned_char" -eq 1; then
 351   SCM_I_GSC_T_UINT8='"unsigned char"'
 352   SCM_I_GSC_T_UINT8_LIMITS='"UCHAR"'
 353 else
 354   AC_MSG_ERROR([Can't find appropriate type for scm_t_uint8.])
 355 fi
 356 AC_SUBST([SCM_I_GSC_T_UINT8])
 357 AC_SUBST([SCM_I_GSC_T_UINT8_LIMITS])
 358
 359 ### Required type scm_t_int16 (ANSI C says int or short might work)
 360 if test "$scm_stdint_has_int16"; then
 361   SCM_I_GSC_T_INT16='"int16_t"'
 362   SCM_I_GSC_T_INT16_LIMITS='"INT16"'
 363   SCM_I_GSC_NEEDS_STDINT_H=1
 364 elif test "$scm_inttypes_has_int16"; then
 365   SCM_I_GSC_T_INT16='"int16_t"'
 366   SCM_I_GSC_T_INT16_LIMITS='"INT16"'
 367   SCM_I_GSC_NEEDS_INTTYPES_H=1
 368 elif test "$ac_cv_sizeof_int" -eq 2; then
 369   SCM_I_GSC_T_INT16='"int"'
 370   SCM_I_GSC_T_INT16_LIMITS='"INT"'
 371 elif test "$ac_cv_sizeof_short" -eq 2; then
 372   SCM_I_GSC_T_INT16='"short"'
 373   SCM_I_GSC_T_INT16_LIMITS='"SHRT"'
 374 else
 375   AC_MSG_ERROR([Can't find appropriate type for scm_t_int16.])
 376 fi
 377 AC_SUBST([SCM_I_GSC_T_INT16])
 378 AC_SUBST([SCM_I_GSC_T_INT16_LIMITS])
 379
 380 ### Required type scm_t_uint16 (ANSI C says int or short might work)
 381 if test "$scm_stdint_has_uint16"; then
 382   SCM_I_GSC_T_UINT16='"uint16_t"'
 383   SCM_I_GSC_T_UINT16_LIMITS='"UINT16"'
 384   SCM_I_GSC_NEEDS_STDINT_H=1
 385 elif test "$scm_inttypes_has_uint16"; then
 386   SCM_I_GSC_T_UINT16='"uint16_t"'
 387   SCM_I_GSC_T_UINT16_LIMITS='"UINT16"'
 388   SCM_I_GSC_NEEDS_INTTYPES_H=1
 389 elif test "$ac_cv_sizeof_unsigned_int" -eq 2; then
 390   SCM_I_GSC_T_UINT16='"unsigned int"'
 391   SCM_I_GSC_T_UINT16_LIMITS='"UINT"'
 392 elif test "$ac_cv_sizeof_unsigned_short" -eq 2; then
 393   SCM_I_GSC_T_UINT16='"unsigned short"'
 394   SCM_I_GSC_T_UINT16_LIMITS='"USHRT"'
 395 else
 396   AC_MSG_ERROR([Can't find appropriate type for scm_t_uint16.])
 397 fi
 398 AC_SUBST([SCM_I_GSC_T_UINT16])
 399 AC_SUBST([SCM_I_GSC_T_UINT16_LIMITS])
 400
 401
 402 ### Required type scm_t_int32 (ANSI C says int, short, or long might work)
 403 if test "$scm_stdint_has_int32"; then
 404   SCM_I_GSC_T_INT32='"int32_t"'
 405   SCM_I_GSC_T_INT32_LIMITS='"INT32"'
 406   SCM_I_GSC_NEEDS_STDINT_H=1
 407 elif test "$scm_inttypes_has_int32"; then
 408   SCM_I_GSC_T_INT32='"int32_t"'
 409   SCM_I_GSC_T_INT32_LIMITS='"INT32"'
 410   SCM_I_GSC_NEEDS_INTTYPES_H=1
 411 elif test "$ac_cv_sizeof_int" -eq 4; then
 412   SCM_I_GSC_T_INT32='"int"'
 413   SCM_I_GSC_T_INT32_LIMITS='"INT"'
 414 elif test "$ac_cv_sizeof_long" -eq 4; then
 415   SCM_I_GSC_T_INT32='"long"'
 416   SCM_I_GSC_T_INT32_LIMITS='"LONG"'
 417 elif test "$ac_cv_sizeof_short" -eq 4; then
 418   SCM_I_GSC_T_INT32='"short"'
 419   SCM_I_GSC_T_INT32_LIMITS='"SHRT"'
 420 else
 421   AC_MSG_ERROR([Can't find appropriate type for scm_t_int32.])
 422 fi
 423 AC_SUBST([SCM_I_GSC_T_INT32])
 424 AC_SUBST([SCM_I_GSC_T_INT32_LIMITS])
 425
 426 ### Required type scm_t_uint32 (ANSI C says int, short, or long might work)
 427 if test "$scm_stdint_has_uint32"; then
 428   SCM_I_GSC_T_UINT32='"uint32_t"'
 429   SCM_I_GSC_T_UINT32_LIMITS='"UINT32"'
 430   SCM_I_GSC_NEEDS_STDINT_H=1
 431 elif test "$scm_inttypes_has_uint32"; then
 432   SCM_I_GSC_T_UINT32='"uint32_t"'
 433   SCM_I_GSC_T_UINT32_LIMITS='"UINT32"'
 434   SCM_I_GSC_NEEDS_INTTYPES_H=1
 435 elif test "$ac_cv_sizeof_unsigned_int" -eq 4; then
 436   SCM_I_GSC_T_UINT32='"unsigned int"'
 437   SCM_I_GSC_T_UINT32_LIMITS='"UINT"'
 438 elif test "$ac_cv_sizeof_unsigned_long" -eq 4; then
 439   SCM_I_GSC_T_UINT32='"unsigned long"'
 440   SCM_I_GSC_T_UINT32_LIMITS='"ULONG"'
 441 elif test "$ac_cv_sizeof_unsigned_short" -eq 4; then
 442   SCM_I_GSC_T_UINT32='"unsigned short"'
 443   SCM_I_GSC_T_UINT32_LIMITS='"USHRT"'
 444 else
 445   AC_MSG_ERROR([Can't find appropriate type for scm_t_uint32.])
 446 fi
 447 AC_SUBST([SCM_I_GSC_T_UINT32])
 448 AC_SUBST([SCM_I_GSC_T_UINT32_LIMITS])
 449
 450 ### Optional type scm_t_int64 (ANSI C says int, short, or long might work)
 451 ### Also try 'long long' and '__int64' if we have it.
 452 SCM_I_GSC_T_INT64=0
 453 if test "$scm_stdint_has_int64"; then
 454   SCM_I_GSC_T_INT64='"int64_t"'
 455   SCM_I_GSC_T_INT64_LIMITS='"INT64"'
 456   SCM_I_GSC_NEEDS_STDINT_H=1
 457 elif test "$scm_inttypes_has_int64"; then
 458   SCM_I_GSC_T_INT64='"int64_t"'
 459   SCM_I_GSC_T_INT64_LIMITS='"INT64"'
 460   SCM_I_GSC_NEEDS_INTTYPES_H=1
 461 elif test "$ac_cv_sizeof_int" -eq 8; then
 462   SCM_I_GSC_T_INT64='"int"'
 463   SCM_I_GSC_T_INT64_LIMITS='"INT"'
 464 elif test "$ac_cv_sizeof_long" -eq 8; then
 465   SCM_I_GSC_T_INT64='"long"'
 466   SCM_I_GSC_T_INT64_LIMITS='"LONG"'
 467 elif test "$ac_cv_sizeof_short" -eq 8; then
 468   SCM_I_GSC_T_INT64='"short"'
 469   SCM_I_GSC_T_INT64_LIMITS='"SHRT"'
 470 elif test "$ac_cv_sizeof_long_long" -eq 8; then
 471   SCM_I_GSC_T_INT64='"long long"'
 472   SCM_I_GSC_T_INT64_LIMITS='"SCM_I_LLONG"'
 473 elif test "$ac_cv_sizeof___int64" -eq 8; then
 474   SCM_I_GSC_T_INT64='"__int64"'
 475   SCM_I_GSC_T_INT64_LIMITS='"unknown"'
 476 else
 477   AC_MSG_ERROR([Can't find appropriate type for scm_t_int64.])
 478 fi
 479 AC_SUBST([SCM_I_GSC_T_INT64])
 480 AC_SUBST([SCM_I_GSC_T_INT64_LIMITS])
 481
 482
 483 ### Optional type scm_t_uint64 (ANSI C says int, short, or long might work)
 484 ### Also try 'long long' and '__int64' if we have it.
 485 SCM_I_GSC_T_UINT64=0
 486 if test "$scm_stdint_has_uint64"; then
 487   SCM_I_GSC_T_UINT64='"uint64_t"'
 488   SCM_I_GSC_T_UINT64_LIMITS='"UINT64"'
 489   SCM_I_GSC_NEEDS_STDINT_H=1
 490 elif test "$scm_inttypes_has_uint64"; then
 491   SCM_I_GSC_T_UINT64='"uint64_t"'
 492   SCM_I_GSC_T_UINT64_LIMITS='"UINT64"'
 493   SCM_I_GSC_NEEDS_INTTYPES_H=1
 494 elif test "$ac_cv_sizeof_unsigned_int" -eq 8; then
 495   SCM_I_GSC_T_UINT64='"unsigned int"'
 496   SCM_I_GSC_T_UINT64_LIMITS='"UINT"'
 497 elif test "$ac_cv_sizeof_unsigned_long" -eq 8; then
 498   SCM_I_GSC_T_UINT64='"unsigned long"'
 499   SCM_I_GSC_T_UINT64_LIMITS='"ULONG"'
 500 elif test "$ac_cv_sizeof_unsigned_short" -eq 8; then
 501   SCM_I_GSC_T_UINT64='"unsigned short"'
 502   SCM_I_GSC_T_UINT64_LIMITS='"USHRT"'
 503 elif test "$ac_cv_sizeof_unsigned_long_long" -eq 8; then
 504   SCM_I_GSC_T_UINT64='"unsigned long long"'
 505   SCM_I_GSC_T_UINT64_LIMITS='"SCM_I_ULLONG"'
 506 elif test "$ac_cv_sizeof_unsigned___int64" -eq 8; then
 507   SCM_I_GSC_T_UINT64='"unsigned __int64"'
 508   SCM_I_GSC_T_UINT64_LIMITS='"unknown"'
 509 else
 510   AC_MSG_ERROR([Can't find appropriate type for scm_t_uint64.])
 511 fi
 512 AC_SUBST([SCM_I_GSC_T_UINT64])
 513 AC_SUBST([SCM_I_GSC_T_UINT64_LIMITS])
 514
 515 ### Required type scm_t_intmax
 516 ###
 517 ### We try 'intmax_t', '__int64', 'long long' in this order.  When
 518 ### none of them is available, we use 'long'.
 519 ###
 520 SCM_I_GSC_T_INTMAX=0
 521 if test "$scm_stdint_has_intmax"; then
 522   SCM_I_GSC_T_INTMAX='"intmax_t"'
 523   SCM_I_GSC_T_INTMAX_LIMITS='"INTMAX"'
 524   SCM_I_GSC_NEEDS_STDINT_H=1
 525 elif test "$scm_inttypes_has_intmax"; then
 526   SCM_I_GSC_T_INTMAX='"intmax_t"'
 527   SCM_I_GSC_T_INTMAX_LIMITS='"INTMAX"'
 528   SCM_I_GSC_NEEDS_INTTYPES_H=1
 529 elif test "$ac_cv_sizeof___int64" -ne 0; then
 530   SCM_I_GSC_T_INTMAX='"__int64"'
 531   SCM_I_GSC_T_INTMAX_LIMITS='"unknown"'
 532 elif test "$ac_cv_sizeof_long_long" -ne 0; then
 533   SCM_I_GSC_T_INTMAX='"long long"'
 534   SCM_I_GSC_T_INTMAX_LIMITS='"SCM_I_LLONG"'
 535 else
 536   SCM_I_GSC_T_INTMAX='"long"'
 537   SCM_I_GSC_T_INTMAX_LIMITS='"LONG"'
 538 fi
 539 AC_SUBST([SCM_I_GSC_T_INTMAX])
 540 AC_SUBST([SCM_I_GSC_T_INTMAX_LIMITS])
 541
 542 ### Required type scm_t_uintmax
 543 ###
 544 ### We try 'uintmax_t', 'unsigned __int64', 'unsigned long long' in
 545 ### this order.  When none of them is available, we use 'unsigned long'.
 546 ###
 547 SCM_I_GSC_T_UINTMAX=0
 548 if test "$scm_stdint_has_uintmax"; then
 549   SCM_I_GSC_T_UINTMAX='"uintmax_t"'
 550   SCM_I_GSC_T_UINTMAX_LIMITS='"UINTMAX"'
 551   SCM_I_GSC_NEEDS_STDINT_H=1
 552 elif test "$scm_inttypes_has_uintmax"; then
 553   SCM_I_GSC_T_UINTMAX='"uintmax_t"'
 554   SCM_I_GSC_T_UINTMAX_LIMITS='"UINTMAX"'
 555   SCM_I_GSC_NEEDS_INTTYPES_H=1
 556 elif test "$ac_cv_sizeof_unsigned___int64" -ne 0; then
 557   SCM_I_GSC_T_UINTMAX='"unsigned __int64"'
 558   SCM_I_GSC_T_UINTMAX_LIMITS='"unknown"'
 559 elif test "$ac_cv_sizeof_unsigned_long_long" -ne 0; then
 560   SCM_I_GSC_T_UINTMAX='"unsigned long long"'
 561   SCM_I_GSC_T_UINTMAX_LIMITS='"SCM_I_ULLONG"'
 562 else
 563   SCM_I_GSC_T_UINTMAX='"unsigned long"'
 564   SCM_I_GSC_T_UINTMAX_LIMITS='"ULONG"'
 565 fi
 566 AC_SUBST([SCM_I_GSC_T_UINTMAX])
 567 AC_SUBST([SCM_I_GSC_T_UINTMAX_LIMITS])
 568
 569
 570 AC_SUBST([SCM_I_GSC_NEEDS_STDINT_H])
 571 AC_SUBST([SCM_I_GSC_NEEDS_INTTYPES_H])
 572
 573 AC_HEADER_STDC
 574 AC_HEADER_DIRENT
 575 AC_HEADER_TIME
 576 AC_HEADER_SYS_WAIT
 577
 578 # Reasons for testing:
 579 #   fenv.h - available in C99, but not older systems
 580 #
 581 AC_CHECK_HEADERS([fenv.h io.h libc.h limits.h malloc.h memory.h string.h \
 582 regex.h rxposix.h rx/rxposix.h sys/dir.h sys/ioctl.h sys/select.h \
 583 sys/time.h sys/timeb.h sys/times.h sys/stdtypes.h sys/types.h \
 584 sys/utime.h time.h unistd.h utime.h pwd.h grp.h sys/utsname.h \
 585 direct.h])
 586
 587 GUILE_HEADER_LIBC_WITH_UNISTD
 588
 589 AC_TYPE_GETGROUPS
 590 AC_TYPE_SIGNAL
 591 AC_TYPE_MODE_T
 592
 593 if test $MINGW32 = no; then
 594         AC_CHECK_LIB(m, main)
 595 fi
 596 AC_CHECK_FUNCS(gethostbyname)
 597 if test $ac_cv_func_gethostbyname = no; then
 598     AC_CHECK_LIB(nsl, gethostbyname)
 599 fi
 600
 601 AC_CHECK_FUNCS(connect)
 602 if test $ac_cv_func_connect = no; then
 603     AC_CHECK_LIB(socket, connect)
 604 fi
 605
 606 dnl
 607 dnl Check for Winsock and other functionality on Win32 (*not* CygWin)
 608 dnl
 609 EXTRA_DEFS=""
 610 if test "$MINGW32" = "yes" ; then
 611     AC_CHECK_HEADER(winsock2.h, [AC_DEFINE([HAVE_WINSOCK2_H], 1,
 612       [Define if you have the <winsock2.h> header file.])])
 613     AC_CHECK_LIB(ws2_32, main)
 614     AC_LIBOBJ([win32-uname])
 615     AC_LIBOBJ([win32-dirent])
 616     if test "$enable_networking" = yes ; then
 617       AC_LIBOBJ([win32-socket])
 618     fi
 619     if test "$enable_shared" = yes ; then
 620       EXTRA_DEFS="-DSCM_IMPORT"
 621       AC_DEFINE(USE_DLL_IMPORT, 1,
 622         [Define if you need additional CPP macros on Win32 platforms.])
 623     fi
 624     if test x"$enable_ltdl_install" = x"yes" ; then
 625       INCLTDL="-DLIBLTDL_DLL_IMPORT $INCLTDL"
 626     fi
 627 fi
 628 AC_SUBST(EXTRA_DEFS)
 629
 630 # FIXME: check to see if we still need these.
 631 #AC_SUBST(INCLTDL)
 632 #AC_SUBST(LIBLTDL)
 633
 634 AC_SUBST(DLPREOPEN)
 635
 636 # Reasons for testing:
 637 #   crt_externs.h - Darwin specific
 638 #
 639 AC_CHECK_HEADERS([assert.h crt_externs.h])
 640
 641 # Reasons for testing:
 642 #   DINFINITY - OSF specific
 643 #   DQNAN - OSF specific
 644 #       (DINFINITY and DQNAN are actually global variables, not functions)
 645 #   fesetround - available in C99, but not older systems
 646 #   gmtime_r - recent posix, not on old systems
 647 #   readdir_r - recent posix, not on old systems
 648 #   sysconf - not on old systems
 649 #   _NSGetEnviron - Darwin specific
 650 #
 651 AC_CHECK_FUNCS([DINFINITY DQNAN ctermid fesetround ftime fchown getcwd geteuid gettimeofday gmtime_r lstat mkdir mknod nice readdir_r readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt strftime strptime symlink sync sysconf tcgetpgrp tcsetpgrp times uname waitpid strdup system usleep atexit on_exit chown link fcntl ttyname getpwent getgrent kill getppid getpgrp fork setitimer getitimer strchr strcmp index bcopy memcpy rindex unsetenv _NSGetEnviron])
 652
 653 # Reasons for testing:
 654 #   netdb.h - not in mingw
 655 #   sys/param.h - not in mingw
 656 #
 657 AC_CHECK_HEADERS(crypt.h netdb.h sys/param.h sys/resource.h sys/file.h)
 658 AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
 659
 660 # crypt() may or may not be available, for instance in some countries there
 661 # are restrictions on cryptography.
 662 #
 663 # crypt() might be in libc (eg. OpenBSD), or it might be in a separate
 664 # -lcrypt library (eg. Debian GNU/Linux).
 665 #
 666 # On HP-UX 11, crypt() is in libc and there's a dummy libcrypt.a.  We must
 667 # be careful to avoid -lcrypt in this case, since libtool will see there's
 668 # only a static libcrypt and decide to build only a static libguile.
 669 #
 670 # AC_SEARCH_LIBS lets us add -lcrypt to LIBS only if crypt() is not in the
 671 # libraries already in that list.
 672 #
 673 AC_SEARCH_LIBS(crypt, crypt,
 674   [AC_DEFINE(HAVE_CRYPT,1,
 675              [Define to 1 if you have the `crypt' function.])])
 676
 677 dnl GMP tests
 678 AC_CHECK_LIB([gmp], [__gmpz_init], ,
 679   [AC_MSG_ERROR([GNU MP not found, see http://swox.com/gmp])])
 680
 681 # mpz_import is a macro so we need to include <gmp.h>
 682 AC_TRY_LINK([#include <gmp.h>],
 683             [mpz_import (0, 0, 0, 0, 0, 0, 0);] , ,
 684   [AC_MSG_ERROR([At least GNU MP 4.1 is required, see http://swox.com/gmp])])
 685
 686 ### Some systems don't declare some functions.  On such systems, we
 687 ### need to at least provide our own K&R-style declarations.
 688
 689 ### GUILE_FUNC_DECLARED(function, headerfile)
 690
 691 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
 692 ### not there, #define MISSING_FUNCTION_DECL.
 693 AC_DEFUN([GUILE_FUNC_DECLARED], [
 694   AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
 695     AC_EGREP_HEADER($1, $2,
 696                     guile_cv_func_$1_declared=yes,
 697                     guile_cv_func_$1_declared=no))
 698   if test [x$guile_cv_func_]$1[_declared] = xno; then
 699     AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL], 1,
 700       [Define if the operating system supplies $1 without declaring it.])
 701   fi
 702 ])
 703
 704 GUILE_FUNC_DECLARED(sleep, unistd.h)
 705 GUILE_FUNC_DECLARED(usleep, unistd.h)
 706
 707 AC_CHECK_DECLS([strptime],,,
 708 [#define _GNU_SOURCE /* ask glibc to give strptime prototype */
 709 #include <time.h>])
 710
 711 ### On some systems usleep has no return value.  If it does have one,
 712 ### we'd like to return it; otherwise, we'll fake it.
 713 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
 714   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
 715                    unistd.h,
 716                    [guile_cv_func_usleep_return_type=void],
 717                    [guile_cv_func_usleep_return_type=int])])
 718 case "$guile_cv_func_usleep_return_type" in
 719   "void" )
 720     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
 721       [Define if the system headers declare usleep to return void.])
 722   ;;
 723 esac
 724
 725 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
 726 if test -n "$have_sys_un_h" ; then
 727   AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS, 1,
 728     [Define if the system supports Unix-domain (file-domain) sockets.])
 729 fi
 730
 731 AC_CHECK_FUNCS(socketpair getgroups setgroups setpwent pause tzset)
 732
 733 AC_CHECK_FUNCS(sethostent   gethostent   endhostent   dnl
 734                setnetent    getnetent    endnetent    dnl
 735                setprotoent  getprotoent  endprotoent  dnl
 736                setservent   getservent   endservent   dnl
 737                getnetbyaddr getnetbyname dnl
 738                inet_lnaof inet_makeaddr inet_netof hstrerror dnl
 739                inet_pton inet_ntop)
 740
 741 AC_MSG_CHECKING(for __libc_stack_end)
 742 AC_CACHE_VAL(guile_cv_have_libc_stack_end,
 743 [AC_TRY_LINK([#include <stdio.h>
 744 extern char *__libc_stack_end;],
 745              [printf("%p", (char*) __libc_stack_end);],
 746              guile_cv_have_libc_stack_end=yes,
 747              guile_cv_have_libc_stack_end=no)])
 748 AC_MSG_RESULT($guile_cv_have_libc_stack_end)
 749
 750 if test $guile_cv_have_libc_stack_end = yes; then
 751   AC_DEFINE(HAVE_LIBC_STACK_END, 1,
 752            [Define if you have the __libc_stack_end variable.])
 753 fi
 754
 755 dnl Some systems do not declare this.  Some systems do declare it, as a
 756 dnl macro.  With cygwin it may be in a DLL.
 757
 758 AC_MSG_CHECKING(whether netdb.h declares h_errno)
 759 AC_CACHE_VAL(guile_cv_have_h_errno,
 760 [AC_TRY_COMPILE([#include <netdb.h>],
 761 [int a = h_errno;],
 762 guile_cv_have_h_errno=yes, guile_cv_have_h_errno=no)])
 763 AC_MSG_RESULT($guile_cv_have_h_errno)
 764 if test $guile_cv_have_h_errno = yes; then
 765   AC_DEFINE(HAVE_H_ERRNO, 1, [Define if h_errno is declared in netdb.h.])
 766 fi
 767
 768 AC_MSG_CHECKING(whether uint32_t is defined)
 769 AC_CACHE_VAL(guile_cv_have_uint32_t,
 770   [AC_TRY_COMPILE([#include <sys/types.h>
 771                    #if HAVE_STDINT_H
 772                    #include <stdint.h>
 773                    #endif
 774                    #ifndef __MINGW32__
 775                    #include <netdb.h>
 776                    #endif],
 777                   [uint32_t a;],
 778                   guile_cv_have_uint32_t=yes, guile_cv_have_uint32_t=no)])
 779 AC_MSG_RESULT($guile_cv_have_uint32_t)
 780 if test $guile_cv_have_uint32_t = yes; then
 781   AC_DEFINE(HAVE_UINT32_T, 1,
 782     [Define if uint32_t typedef is defined when netdb.h is include.])
 783 fi
 784
 785 AC_MSG_CHECKING(for working IPv6 support)
 786 AC_CACHE_VAL(guile_cv_have_ipv6,
 787 [AC_TRY_COMPILE([
 788 #ifdef HAVE_SYS_TYPES_H
 789 #include <sys/types.h>
 790 #endif
 791 #include <netinet/in.h>
 792 #include <sys/socket.h>],
 793 [struct sockaddr_in6 a;  a.sin6_family = AF_INET6;],
 794 guile_cv_have_ipv6=yes, guile_cv_have_ipv6=no)])
 795 AC_MSG_RESULT($guile_cv_have_ipv6)
 796 if test $guile_cv_have_ipv6 = yes; then
 797   AC_DEFINE(HAVE_IPV6, 1, [Define if you want support for IPv6.])
 798 fi
 799
 800 # included in rfc2553 but not in older implementations, e.g., glibc 2.1.3.
 801 AC_MSG_CHECKING(whether sockaddr_in6 has sin6_scope_id)
 802 AC_CACHE_VAL(guile_cv_have_sin6_scope_id,
 803 [AC_TRY_COMPILE([
 804 #ifdef HAVE_SYS_TYPES_H
 805 #include <sys/types.h>
 806 #endif
 807 #include <netinet/in.h>],
 808 [struct sockaddr_in6 sok;  sok.sin6_scope_id = 0;],
 809 guile_cv_have_sin6_scope_id=yes, guile_cv_have_sin6_scope_id=no)])
 810 AC_MSG_RESULT($guile_cv_have_sin6_scope_id)
 811 if test $guile_cv_have_sin6_scope_id = yes; then
 812   AC_DEFINE(HAVE_SIN6_SCOPE_ID, 1,
 813     [Define this if your IPv6 has sin6_scope_id in sockaddr_in6 struct.])
 814 fi
 815
 816 AC_MSG_CHECKING(whether localtime caches TZ)
 817 AC_CACHE_VAL(guile_cv_localtime_cache,
 818 [if test x$ac_cv_func_tzset = xyes; then
 819 AC_TRY_RUN([#include <time.h>
 820 #if STDC_HEADERS
 821 # include <stdlib.h>
 822 #endif
 823 extern char **environ;
 824 unset_TZ ()
 825 {
 826   char **from, **to;
 827   for (to = from = environ; (*to = *from); from++)
 828     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
 829       to++;
 830 }
 831 char TZ_GMT0[] = "TZ=GMT0";
 832 char TZ_PST8[] = "TZ=PST8";
 833 main()
 834 {
 835   time_t now = time ((time_t *) 0);
 836   int hour_GMT0, hour_unset;
 837   if (putenv (TZ_GMT0) != 0)
 838     exit (1);
 839   hour_GMT0 = localtime (&now)->tm_hour;
 840   unset_TZ ();
 841   hour_unset = localtime (&now)->tm_hour;
 842   if (putenv (TZ_PST8) != 0)
 843     exit (1);
 844   if (localtime (&now)->tm_hour == hour_GMT0)
 845     exit (1);
 846   unset_TZ ();
 847   if (localtime (&now)->tm_hour != hour_unset)
 848     exit (1);
 849   exit (0);
 850 }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
 851 [# If we have tzset, assume the worst when cross-compiling.
 852 guile_cv_localtime_cache=yes])
 853 else
 854         # If we lack tzset, report that localtime does not cache TZ,
 855         # since we can't invalidate the cache if we don't have tzset.
 856         guile_cv_localtime_cache=no
 857 fi])dnl
 858 AC_MSG_RESULT($guile_cv_localtime_cache)
 859 if test $guile_cv_localtime_cache = yes; then
 860   AC_DEFINE(LOCALTIME_CACHE, 1, [Define if localtime caches the TZ setting.])
 861 fi
 862
 863 dnl Test whether system calls are restartable by default on the
 864 dnl current system.  If they are not, we put a loop around every system
 865 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
 866 dnl change from the default behaviour.  On the other hand, if signals
 867 dnl are restartable then the loop is not installed and when libguile
 868 dnl initialises it also resets the behaviour of each signal to cause a
 869 dnl restart (in case a different runtime had a different default
 870 dnl behaviour for some reason: e.g., different versions of linux seem
 871 dnl to behave differently.)
 872
 873 AC_SYS_RESTARTABLE_SYSCALLS
 874
 875 if test "$enable_regex" = yes; then
 876    if test "$ac_cv_header_regex_h" = yes ||
 877       test "$ac_cv_header_rxposix_h" = yes ||
 878       test "$ac_cv_header_rx_rxposix_h" = yes; then
 879      GUILE_NAMED_CHECK_FUNC(regcomp, norx, [AC_LIBOBJ([regex-posix])],
 880      [AC_CHECK_LIB(rx, main)
 881       GUILE_NAMED_CHECK_FUNC(regcomp, rx, [AC_LIBOBJ([regex-posix])],
 882      [AC_CHECK_LIB(regex, main)
 883       GUILE_NAMED_CHECK_FUNC(regcomp, regex, [AC_LIBOBJ([regex-posix])])])]
 884      )
 885      dnl The following should not be necessary, but for some reason
 886      dnl autoheader misses it if we don't include it!
 887      if test "$ac_cv_func_regcomp_norx" = yes ||
 888         test "$ac_cv_func_regcomp_regex" = yes ||
 889         test "$ac_cv_func_regcomp_rx" = yes; then
 890        AC_DEFINE(HAVE_REGCOMP, 1,
 891          [This is included as part of a workaround for a autoheader bug.])
 892      fi
 893    fi
 894 fi
 895
 896 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove mkstemp)
 897
 898 AC_CHECK_HEADERS(floatingpoint.h ieeefp.h nan.h)
 899
 900 # Reasons for testing:
 901 #   asinh, acosh, atanh, trunc - C99 standard, generally not available on
 902 #                                older systems
 903 #   sincos - GLIBC extension
 904 #
 905 AC_CHECK_FUNCS(asinh acosh atanh copysign finite sincos trunc)
 906
 907 # C99 specifies isinf and isnan as macros.
 908 # HP-UX provides only macros, no functions.
 909 # Glibc 2.3.2 provides both macros and functions.
 910 #
 911 # We're concerned that some systems may have only functions, the following
 912 # tests are designed to detect both functions and macros.
 913 #
 914 AC_MSG_CHECKING([for isinf])
 915 AC_LINK_IFELSE(
 916 [#include <math.h>
 917 int main () { return (isinf(0.0) != 0); }],
 918   [AC_MSG_RESULT([yes])
 919    AC_DEFINE(HAVE_ISINF, 1,
 920              [Define to 1 if you have the `isinf' macro or function.])],
 921   [AC_MSG_RESULT([no])])
 922 AC_MSG_CHECKING([for isnan])
 923 AC_LINK_IFELSE(
 924 [#include <math.h>
 925 int main () { return (isnan(0.0) != 0); }],
 926   [AC_MSG_RESULT([yes])
 927    AC_DEFINE(HAVE_ISNAN, 1,
 928              [Define to 1 if you have the `isnan' macro or function.])],
 929   [AC_MSG_RESULT([no])])
 930
 931 # When testing for the presence of alloca, we need to add alloca.o
 932 # explicitly to LIBOBJS to make sure that it is translated to
 933 # `alloca.lo' for libtool later on.  This can and should be done more cleanly.
 934 AC_FUNC_ALLOCA
 935 if test "$ALLOCA" = "alloca.o"
 936 then
 937   AC_LIBOBJ([alloca])
 938 fi
 939
 940 AC_CHECK_MEMBERS([struct stat.st_rdev])
 941 AC_CHECK_MEMBERS([struct stat.st_blksize])
 942
 943 AC_STRUCT_ST_BLOCKS
 944
 945 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
 946   [AC_TRY_CPP([#include <sys/stat.h>
 947                #ifndef S_ISLNK
 948                #error no S_ISLNK
 949                #endif],
 950                ac_cv_macro_S_ISLNK=yes,
 951                ac_cv_macro_S_ISLNK=no)])
 952 if test $ac_cv_macro_S_ISLNK = yes; then
 953   AC_DEFINE(HAVE_S_ISLNK, 1,
 954     [Define this if your system defines S_ISLNK in sys/stat.h.])
 955 fi
 956
 957 AC_STRUCT_TIMEZONE
 958 GUILE_STRUCT_UTIMBUF
 959
 960 #--------------------------------------------------------------------
 961 #
 962 # Which way does the stack grow?
 963 #
 964 #--------------------------------------------------------------------
 965
 966 SCM_I_GSC_STACK_GROWS_UP=0
 967 AC_TRY_RUN(aux (l) unsigned long l;
 968              { int x; exit (l >= ((unsigned long)&x)); }
 969            main () { int q; aux((unsigned long)&q); },
 970            [SCM_I_GSC_STACK_GROWS_UP=1],
 971            [],
 972            [AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h)])
 973
 974 AC_CHECK_SIZEOF(float)
 975 if test "$ac_cv_sizeof_float" -le "$ac_cv_sizeof_long"; then
 976     AC_DEFINE(SCM_SINGLES, 1,
 977               [Define this if floats are the same size as longs.])
 978 fi
 979
 980 AC_MSG_CHECKING(for struct linger)
 981 AC_CACHE_VAL(scm_cv_struct_linger,
 982         AC_TRY_COMPILE([
 983 #include <sys/types.h>
 984 #include <sys/socket.h>],
 985                         [struct linger lgr;  lgr.l_linger = 100],
 986                         scm_cv_struct_linger="yes",
 987                         scm_cv_struct_linger="no"))
 988 AC_MSG_RESULT($scm_cv_struct_linger)
 989 if test $scm_cv_struct_linger = yes; then
 990         AC_DEFINE(HAVE_STRUCT_LINGER, 1,
 991           [Define this if your system defines struct linger, for use with the
 992            getsockopt and setsockopt system calls.])
 993 fi
 994
 995
 996 AC_MSG_CHECKING(for struct timespec)
 997 AC_CACHE_VAL(scm_cv_struct_timespec,
 998         AC_TRY_COMPILE([
 999 #include <time.h>],
1000                         [struct timespec t;  t.tv_nsec = 100],
1001                         scm_cv_struct_timespec="yes",
1002                         scm_cv_struct_timespec="no"))
1003 AC_MSG_RESULT($scm_cv_struct_timespec)
1004 if test $scm_cv_struct_timespec = yes; then
1005   AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1,
1006     [Define this if your system defines struct timespec via <time.h>.])
1007 fi
1008
1009 #--------------------------------------------------------------------
1010 #
1011 # Flags for thread support
1012 #
1013 #--------------------------------------------------------------------
1014
1015 SCM_I_GSC_USE_PTHREAD_THREADS=0
1016 SCM_I_GSC_USE_NULL_THREADS=0
1017 SCM_I_GSC_USE_COOP_THREADS=0
1018 AC_SUBST([SCM_I_GSC_USE_PTHREAD_THREADS])
1019 AC_SUBST([SCM_I_GSC_USE_NULL_THREADS])
1020 AC_SUBST([SCM_I_GSC_USE_COOP_THREADS])
1021
1022 ### What thread package has the user asked for?
1023 AC_ARG_WITH(threads, [  --with-threads          thread interface],
1024             , with_threads=yes)
1025
1026 case "$with_threads" in
1027   "yes" | "pthread" | "pthreads" | "pthread-threads" | "")
1028     AC_CHECK_LIB(pthread, main,
1029       LIBS="-lpthread $LIBS"
1030       SCM_I_GSC_USE_PTHREAD_THREADS=1
1031       with_threads="pthreads",
1032       with_threads="null")
1033
1034     if test $GCC = yes; then
1035     AC_DEFINE(_THREAD_SAFE, 1,
1036       [Use thread safe versions of GNU Libc functions.])
1037     fi
1038
1039     AC_MSG_CHECKING(if pthread_mutexattr_settype is declared)
1040     AC_CACHE_VAL(guile_cv_mutexattr_settype_declared,
1041       [AC_TRY_COMPILE([#include <pthread.h>],
1042           [int pthread_mutexattr_settype (int, int);],
1043           guile_cv_mutexattr_settype_declared=no,
1044           guile_cv_mutexattr_settype_declared=yes)])
1045     AC_MSG_RESULT($guile_cv_mutexattr_settype_declared)
1046     if test $guile_cv_mutexattr_settype_declared = yes; then
1047       AC_DEFINE(SCM_MUTEXATTR_SETTYPE_DECLARED, 1,
1048           [Define if pthread.h declares pthread_mutexattr_settype.])
1049     fi
1050
1051     AC_MSG_CHECKING(how to get a fast mutex)
1052     AC_CACHE_VAL(guile_cv_have_mutex_fast,
1053       [AC_TRY_COMPILE([#include <pthread.h>],
1054           [int a = PTHREAD_MUTEX_ADAPTIVE_NP;],
1055           guile_cv_have_mutex_fast=PTHREAD_MUTEX_ADAPTIVE_NP,
1056           guile_cv_have_mutex_fast=none)])
1057     AC_MSG_RESULT($guile_cv_have_mutex_fast)
1058     if test ! $guile_cv_have_mutex_fast = none; then
1059       AC_DEFINE_UNQUOTED(SCM_MUTEX_FAST, $guile_cv_have_mutex_fast,
1060           [The mutex kind enum for fast mutexes.])
1061     fi
1062
1063     AC_MSG_CHECKING(how to get a recursive mutex)
1064     AC_CACHE_VAL(guile_cv_have_mutex_recursive,
1065       [AC_TRY_COMPILE([#include <pthread.h>],
1066         [int a = PTHREAD_MUTEX_RECURSIVE_NP;],
1067          guile_cv_have_mutex_recursive=PTHREAD_MUTEX_RECURSIVE_NP)
1068       if test -z "$guile_cv_have_mutex_recursive"; then
1069           AC_TRY_COMPILE([#include <pthread.h>],
1070             [int a = PTHREAD_MUTEX_RECURSIVE;],
1071             guile_cv_have_mutex_recursive=PTHREAD_MUTEX_RECURSIVE,
1072             guile_cv_have_mutex_recursive=none)
1073         fi])
1074     AC_MSG_RESULT($guile_cv_have_mutex_recursive)
1075     if test ! $guile_cv_have_mutex_recursive = none; then
1076       AC_DEFINE_UNQUOTED(SCM_MUTEX_RECURSIVE, $guile_cv_have_mutex_recursive,
1077          [The mutex kind enum for recursive mutexes.])
1078     fi
1079
1080     # On Solaris, sched_yield lives in -lrt.
1081     AC_SEARCH_LIBS(sched_yield, rt)
1082
1083   ;;
1084 esac
1085
1086 case "$with_threads" in
1087   "pthreads")
1088   ;;
1089   "no" | "null")
1090     SCM_I_GSC_USE_NULL_THREADS=1
1091     with_threads="null-threads"
1092   ;;
1093   * )
1094     AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
1095   ;;
1096 esac
1097
1098 AC_MSG_CHECKING(what kind of threads to support)
1099 AC_MSG_RESULT($with_threads)
1100
1101 ## Cross building
1102 if test "$cross_compiling" = "yes"; then
1103   AC_MSG_CHECKING(cc for build)
1104   ## /usr/bin/cc still uses wrong assembler
1105   ## CC_FOR_BUILD="${CC_FOR_BUILD-/usr/bincc}"
1106   CC_FOR_BUILD="${CC_FOR_BUILD-PATH=/usr/bin:$PATH cc}"
1107 else
1108   CC_FOR_BUILD="${CC_FOR_BUILD-$CC}"
1109 fi
1110
1111 ## AC_MSG_CHECKING("if we are cross compiling")
1112 ## AC_MSG_RESULT($cross_compiling)
1113 if test "$cross_compiling" = "yes"; then
1114    AC_MSG_RESULT($CC_FOR_BUILD)
1115 fi
1116
1117 ## No need as yet to be more elaborate
1118 CCLD_FOR_BUILD="$CC_FOR_BUILD"
1119
1120 AC_SUBST(cross_compiling)
1121 AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])
1122 AC_SUBST(CCLD_FOR_BUILD)
1123
1124 ## libtool erroneously calls CC_FOR_BUILD HOST_CC;
1125 ## --HOST is the platform that PACKAGE is compiled for.
1126 HOST_CC="$CC_FOR_BUILD"
1127 AC_SUBST(HOST_CC)
1128
1129 if test "$cross_compiling" = "yes"; then
1130   AC_MSG_CHECKING(guile for build)
1131   GUILE_FOR_BUILD="${GUILE_FOR_BUILD-guile}"
1132 else
1133   GUILE_FOR_BUILD='$(preinstguile)'
1134 fi
1135
1136 ## AC_MSG_CHECKING("if we are cross compiling")
1137 ## AC_MSG_RESULT($cross_compiling)
1138 if test "$cross_compiling" = "yes"; then
1139    AC_MSG_RESULT($GUILE_FOR_BUILD)
1140 fi
1141 AC_ARG_VAR(GUILE_FOR_BUILD,[guile for build system])
1142 AC_SUBST(GUILE_FOR_BUILD)
1143
1144 ## If we're using GCC, ask for aggressive warnings.
1145 case "$GCC" in
1146   yes )
1147     ## We had -Wstrict-prototypes in here for a bit, but Guile does too
1148     ## much stuff with generic function pointers for that to really be
1149     ## less than exasperating.
1150     ## -Wpointer-arith was here too, but something changed in gcc/glibc
1151     ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
1152     CFLAGS="$CFLAGS -Wall -Wmissing-prototypes"
1153     # Do this here so we don't screw up any of the tests above that might
1154     # not be "warning free"
1155     if test "${GUILE_ERROR_ON_WARNING}" = yes
1156     then
1157         CFLAGS="${CFLAGS} -Werror"
1158         enable_compile_warnings=no
1159     fi
1160     ;;
1161 esac
1162
1163 ## NOTE the code below sets LIBOBJS directly and so is now forbidden
1164 ## -- I'm disabling it for now in the hopes that the newer autoconf
1165 ## will DTRT -- if not, we need to fix up the sed command to match the
1166 ## others...
1167 ##
1168 ## Remove fileblocks.o from the object list.  This file gets added by
1169 ## the Autoconf macro AC_STRUCT_ST_BLOCKS.  But there is no need.
1170 #LIBOBJS="`echo ${LIBOBJS} | sed 's/fileblocks\.o//g'`"
1171
1172 ## If we're creating a shared library (using libtool!), then we'll
1173 ## need to generate a list of .lo files corresponding to the .o files
1174 ## given in LIBOBJS.  We'll call it LIBLOBJS.
1175 LIBLOBJS="`echo ${LIB@&t@OBJS} | sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`"
1176
1177 ## We also need to create corresponding .doc and .x files
1178 EXTRA_DOT_DOC_FILES="`echo ${LIB@&t@OBJS} | sed 's,\.[[^.]]* ,.doc ,g;s,\.[[^.]]*$,.doc,'`"
1179 EXTRA_DOT_X_FILES="`echo ${LIB@&t@OBJS} | sed 's,\.[[^.]]* ,.x ,g;s,\.[[^.]]*$,.x,'`"
1180
1181 AC_SUBST(GUILE_MAJOR_VERSION)
1182 AC_SUBST(GUILE_MINOR_VERSION)
1183 AC_SUBST(GUILE_MICRO_VERSION)
1184 AC_SUBST(GUILE_EFFECTIVE_VERSION)
1185 AC_SUBST(GUILE_VERSION)
1186
1187 #######################################################################
1188 # library versioning
1189
1190 AC_SUBST(LIBQTHREADS_INTERFACE_CURRENT)
1191 AC_SUBST(LIBQTHREADS_INTERFACE_REVISION)
1192 AC_SUBST(LIBQTHREADS_INTERFACE_AGE)
1193 AC_SUBST(LIBQTHREADS_INTERFACE)
1194
1195 AC_SUBST(LIBGUILE_INTERFACE_CURRENT)
1196 AC_SUBST(LIBGUILE_INTERFACE_REVISION)
1197 AC_SUBST(LIBGUILE_INTERFACE_AGE)
1198 AC_SUBST(LIBGUILE_INTERFACE)
1199
1200 AC_SUBST(LIBGUILE_SRFI_SRFI_1_INTERFACE_CURRENT)
1201 AC_SUBST(LIBGUILE_SRFI_SRFI_1_INTERFACE_REVISION)
1202 AC_SUBST(LIBGUILE_SRFI_SRFI_1_INTERFACE_AGE)
1203 AC_SUBST(LIBGUILE_SRFI_SRFI_1_INTERFACE)
1204
1205 AC_SUBST(LIBGUILE_SRFI_SRFI_4_INTERFACE_CURRENT)
1206 AC_SUBST(LIBGUILE_SRFI_SRFI_4_INTERFACE_REVISION)
1207 AC_SUBST(LIBGUILE_SRFI_SRFI_4_INTERFACE_AGE)
1208 AC_SUBST(LIBGUILE_SRFI_SRFI_4_INTERFACE)
1209
1210 AC_SUBST(LIBGUILE_SRFI_SRFI_13_14_INTERFACE_CURRENT)
1211 AC_SUBST(LIBGUILE_SRFI_SRFI_13_14_INTERFACE_REVISION)
1212 AC_SUBST(LIBGUILE_SRFI_SRFI_13_14_INTERFACE_AGE)
1213 AC_SUBST(LIBGUILE_SRFI_SRFI_13_14_INTERFACE)
1214
1215 #######################################################################
1216
1217 dnl Tell guile-config what flags guile users should link against.
1218 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
1219 AC_SUBST(GUILE_LIBS)
1220
1221 AC_SUBST(AWK)
1222 AC_SUBST(LIBLOBJS)
1223 AC_SUBST(EXTRA_DOT_DOC_FILES)
1224 AC_SUBST(EXTRA_DOT_X_FILES)
1225
1226 dnl See also top_builddir in info node: (libtool)AC_PROG_LIBTOOL
1227 top_builddir_absolute=`pwd`
1228 AC_SUBST(top_builddir_absolute)
1229 top_srcdir_absolute=`(cd $srcdir && pwd)`
1230 AC_SUBST(top_srcdir_absolute)
1231
1232 # Additional SCM_I_GSC definitions are above.
1233 AC_SUBST([SCM_I_GSC_GUILE_DEBUG])
1234 AC_SUBST([SCM_I_GSC_GUILE_DEBUG_FREELIST])
1235 AC_SUBST([SCM_I_GSC_ENABLE_DEPRECATED])
1236 AC_SUBST([SCM_I_GSC_ENABLE_ELISP])
1237 AC_SUBST([SCM_I_GSC_HAVE_ARRAYS])
1238 AC_SUBST([SCM_I_GSC_STACK_GROWS_UP])
1239 AC_SUBST([SCM_I_GSC_C_INLINE])
1240 AC_CONFIG_FILES([libguile/gen-scmconfig.h])
1241
1242 AC_CONFIG_FILES([
1243   Makefile
1244   am/Makefile
1245   benchmark-suite/Makefile
1246   doc/Makefile
1247   doc/goops/Makefile
1248   doc/r5rs/Makefile
1249   doc/ref/Makefile
1250   doc/tutorial/Makefile
1251   emacs/Makefile
1252   examples/Makefile
1253   examples/box-dynamic-module/Makefile
1254   examples/box-dynamic/Makefile
1255   examples/box-module/Makefile
1256   examples/box/Makefile
1257   examples/modules/Makefile
1258   examples/safe/Makefile
1259   examples/scripts/Makefile
1260   guile-config/Makefile
1261   ice-9/Makefile
1262   ice-9/debugger/Makefile
1263   ice-9/debugger/breakpoints/Makefile
1264   lang/Makefile
1265   lang/elisp/Makefile
1266   lang/elisp/internals/Makefile
1267   lang/elisp/primitives/Makefile
1268   libguile-ltdl/Makefile
1269   libguile-ltdl/upstream/Makefile
1270   libguile/Makefile
1271   oop/Makefile
1272   oop/goops/Makefile
1273   scripts/Makefile
1274   srfi/Makefile
1275   test-suite/Makefile
1276   test-suite/standalone/Makefile
1277 ])
1278
1279 AC_CONFIG_FILES([check-guile], [chmod +x check-guile])
1280 AC_CONFIG_FILES([benchmark-guile], [chmod +x benchmark-guile])
1281 AC_CONFIG_FILES([guile-tools], [chmod +x guile-tools])
1282 AC_CONFIG_FILES([pre-inst-guile], [chmod +x pre-inst-guile])
1283 AC_CONFIG_FILES([pre-inst-guile-env], [chmod +x pre-inst-guile-env])
1284 AC_CONFIG_FILES([libguile/guile-snarf],
1285                 [chmod +x libguile/guile-snarf])
1286 AC_CONFIG_FILES([libguile/guile-doc-snarf],
1287                 [chmod +x libguile/guile-doc-snarf])
1288 AC_CONFIG_FILES([libguile/guile-func-name-check],
1289                 [chmod +x libguile/guile-func-name-check])
1290 AC_CONFIG_FILES([libguile/guile-snarf-docs],
1291                 [chmod +x libguile/guile-snarf-docs])
1292
1293 AC_OUTPUT
1294
1295 dnl Local Variables:
1296 dnl comment-start: "dnl "
1297 dnl comment-end: ""
1298 dnl comment-start-skip: "\\bdnl\\b\\s *"
1299 dnl End: