configure.ac

   1 # Configure template for Gambit-C system.
   2
   3 # Copyright (c) 1994-2009 by Marc Feeley, All Rights Reserved.
   4
   5 # Process this file with autoconf to produce a configure script.
   6
   7 AC_INIT(Gambit-C,v4.4.3,gambit@iro.umontreal.ca,gambc-v4_4_3)
   8
   9 AC_CONFIG_HEADERS(include/config.h)
  10
  11 CONFIGURE_COMMAND="$0 $@"
  12 PACKAGE_SHORTNAME="gambc"
  13
  14 AC_SUBST(PACKAGE_SHORTNAME)
  15 AC_SUBST(PACKAGE_NAME)
  16 AC_SUBST(PACKAGE_VERSION)
  17 AC_SUBST(PACKAGE_STRING)
  18 AC_SUBST(PACKAGE_BUGREPORT)
  19 AC_SUBST(PACKAGE_TARNAME)
  20
  21 AC_COPYRIGHT([[Copyright (c) 1994-2009 by Marc Feeley, All Rights Reserved.]])
  22
  23 AC_CONFIG_SRCDIR(include/gambit.h.in)
  24
  25 AC_PREFIX_DEFAULT(/usr/local/$PACKAGE_NAME)
  26
  27 AC_CANONICAL_SYSTEM
  28
  29 ###############################################################################
  30 #
  31 # Accumulate subsystems to include in runtime library.
  32
  33 RTLIBSUBSYS=""
  34
  35 ###############################################################################
  36 #
  37 # To accumulate flags and definitions for C compilation.
  38
  39 FLAGS_OBJ=""
  40 FLAGS_DYN=""
  41 FLAGS_LIB=""
  42 FLAGS_EXE=""
  43 FLAGS_OBJ_DYN=""
  44 FLAGS_OBJ_DYN_LIB_EXE=""
  45 FLAGS_DYN_LIB=""
  46 GSC_CC_O_DEFS="-D___DYNAMIC"
  47 LIBRARY_DEFS=""
  48
  49 ###############################################################################
  50 #
  51 # Check if the system must be compiled using the C compiler or C++ compiler.
  52
  53 AC_ARG_ENABLE(cplusplus,
  54               AC_HELP_STRING([--enable-cplusplus],
  55                              [compile using C++ compiler (default is NO)]),
  56               ENABLE_CPLUSPLUS=$enableval,
  57               ENABLE_CPLUSPLUS=no)
  58
  59 if test "${CFLAGS+set}" != set; then
  60   CFLAGS=""
  61 fi
  62
  63 if test "${CXXFLAGS+set}" != set; then
  64   CXXFLAGS=""
  65 fi
  66
  67 if test "${LDFLAGS+set}" != set; then
  68   LDFLAGS=""
  69 fi
  70
  71 AC_LANG(C)
  72 AC_PROG_CC
  73 AC_PROG_CPP
  74 C_COMPILER=$CC
  75 C_PREPROC=$CPP
  76
  77 if test "$ENABLE_CPLUSPLUS" = yes; then
  78   AC_LANG(C++)
  79   AC_PROG_CXX
  80   AC_PROG_CXXCPP
  81   C_COMPILER=$CXX
  82   C_PREPROC=$CXXCPP
  83 fi
  84
  85 AC_SUBST(C_COMPILER)
  86 AC_SUBST(C_PREPROC)
  87
  88 ###############################################################################
  89 #
  90 # Check if the system must include GUIDE (Gambit Universal IDE).
  91
  92 AC_ARG_ENABLE(guide,
  93               AC_HELP_STRING([--enable-guide],
  94                              [include the Gambit Universal IDE (default is NO)]),
  95               ENABLE_GUIDE=$enableval,
  96               ENABLE_GUIDE=no)
  97
  98 if test "$ENABLE_GUIDE" = yes; then
  99   if test "$ENABLE_CPLUSPLUS" = yes; then
 100
 101     # Determine if Qt is available, if the version is good, etc
 102
 103     ac_qmake='qmake -o conftest.qt /dev/null >&5'
 104
 105     rm -f conftest.qt
 106
 107     if { (eval echo "$as_me:$LINENO: \"$ac_qmake\"") >&5
 108       (eval $ac_qmake) 2>&5
 109       ac_status=$?
 110       echo "$as_me:$LINENO: \$? = $ac_status" >&5
 111       (exit $ac_status); }; then
 112
 113       ac_qt_version_check="grep -q '^# Generated by qmake ([^)]*) (Qt 3\\.3\\..*' conftest.qt"
 114
 115       if { (eval echo "$as_me:$LINENO: \"$ac_qt_version_check\"") >&5
 116         (eval $ac_qt_version_check) 2>&5
 117         ac_status=$?
 118         echo "$as_me:$LINENO: \$? = $ac_status" >&5
 119         (exit $ac_status); }; then
 120
 121         QTINCPATH=`sed -n -e '/^INCPATH[[       ]]*=[[  ]]*\(.*\)/s//\1/p' conftest.qt`
 122         QTLIBS=`sed -n -e '/^LIBS[[     ]]*=[[  ]]*\\\$(SUBLIBS)[[      ]]*\(.*\)/s//\1/p' conftest.qt`
 123
 124       else
 125
 126         qt_version=`sed -n -e '/^# Generated by qmake (\([^)]*\)) (Qt \([0-9]*\.[0-9]*\).*/s//\2/p' conftest.qt`
 127
 128         ENABLE_GUIDE=no
 129         AC_MSG_NOTICE([
 130 ************************************************************************
 131 *** The Gambit Universal IDE requires that the system be built using ***
 132 *** the Qt GUI library version 3.3.  Version $qt_version of Qt is currently  ***
 133 *** installed.                                                       ***
 134 ************************************************************************
 135 ])
 136
 137       fi
 138
 139     else
 140
 141       ENABLE_GUIDE=no
 142       AC_MSG_NOTICE([
 143 ************************************************************************
 144 *** The Gambit Universal IDE requires that the system be built using ***
 145 *** the Qt GUI library.  This library could not be located.  Make    ***
 146 *** sure that the program qmake is in your PATH.                     ***
 147 ************************************************************************
 148 ])
 149
 150     fi
 151
 152   else
 153
 154     ENABLE_GUIDE=no
 155     AC_MSG_NOTICE([
 156 ************************************************************************
 157 *** The Gambit Universal IDE requires that the system be built using ***
 158 *** a C++ compiler.  You must specify both "--enable-cplusplus" and  ***
 159 *** "--enable-guide" to include the Gambit Universal IDE.            ***
 160 ************************************************************************
 161 ])
 162
 163   fi
 164 fi
 165
 166 if test "$ENABLE_GUIDE" = yes; then
 167   AC_DEFINE(___GUIDE)
 168   AC_SUBST(QTINCPATH)
 169   RTLIBSUBSYS="$RTLIBSUBSYS guide"
 170   LIBS="$LIBS $QTLIBS"
 171 fi
 172
 173 AC_SUBST(ENABLE_GUIDE)
 174
 175 ###############################################################################
 176 #
 177 # Check if the system is to be debugged.
 178
 179 AC_ARG_ENABLE(debug,
 180               AC_HELP_STRING([--enable-debug],
 181                              [build system so that it can be debugged (default is NO)]),
 182               ENABLE_DEBUG=$enableval,
 183               ENABLE_DEBUG=no)
 184
 185 if test "$ENABLE_DEBUG" = yes; then
 186   AC_DEFINE(___DEBUG)
 187   GSC_CC_O_DEFS="$GSC_CC_O_DEFS -D___DEBUG"
 188 fi
 189
 190 ###############################################################################
 191 #
 192 # Check if the system is to be profiled.
 193
 194 AC_ARG_ENABLE(profile,
 195               AC_HELP_STRING([--enable-profile],
 196                              [build system so that it can be profiled (default is NO)]),
 197               ENABLE_PROFILE=$enableval,
 198               ENABLE_PROFILE=no)
 199
 200 if test "$ENABLE_PROFILE" = yes; then
 201   AC_DEFINE(___PROFILE)
 202   GSC_CC_O_DEFS="$GSC_CC_O_DEFS -D___PROFILE"
 203 fi
 204
 205 ###############################################################################
 206 #
 207 # Check if the system is to be compiled to accumulate coverage statistics.
 208
 209 AC_ARG_ENABLE(coverage,
 210               AC_HELP_STRING([--enable-coverage],
 211                              [build system to accumulate coverage statistics (default is NO)]),
 212               ENABLE_COVERAGE=$enableval,
 213               ENABLE_COVERAGE=no)
 214
 215 ###############################################################################
 216 #
 217 # Check if the system is to be compiled with trial run feedback.
 218
 219 AC_ARG_ENABLE(feedback1,
 220               AC_HELP_STRING([--enable-feedback1],
 221                              [build system to accumulate trial run data (default is NO)]),
 222               ENABLE_FEEDBACK1=$enableval,
 223               ENABLE_FEEDBACK1=no)
 224
 225 AC_ARG_ENABLE(feedback2,
 226               AC_HELP_STRING([--enable-feedback2],
 227                              [build system using trial run feedback (default is NO)]),
 228               ENABLE_FEEDBACK2=$enableval,
 229               ENABLE_FEEDBACK2=no)
 230
 231 ###############################################################################
 232 #
 233 # Check if a single C function should be generated for all the Scheme
 234 # functions in a file.  This makes the executable much faster but the
 235 # compilation will be much longer and take much more memory.
 236
 237 AC_ARG_ENABLE(single-host,
 238               AC_HELP_STRING([--enable-single-host],
 239                              [compile each Scheme module as a single C function (default is NO)]),
 240               ENABLE_SINGLE_HOST=$enableval,
 241               ENABLE_SINGLE_HOST=no)
 242
 243 if test "$ENABLE_SINGLE_HOST" = yes; then
 244   AC_DEFINE(___SINGLE_HOST)
 245   GSC_CC_O_DEFS="$GSC_CC_O_DEFS -D___SINGLE_HOST"
 246 fi
 247
 248 ###############################################################################
 249 #
 250 # Check if inline code should be generated for jumps.  It is possible
 251 # that on some platforms this will result in a faster but larger
 252 # executable program.
 253
 254 AC_ARG_ENABLE(inline-jumps,
 255               AC_HELP_STRING([--enable-inline-jumps],
 256                              [generate inline code for jumps (default is NO)]),
 257               ENABLE_INLINE_JUMPS=$enableval,
 258               ENABLE_INLINE_JUMPS=no)
 259
 260 if test "$ENABLE_INLINE_JUMPS" = yes; then
 261   AC_DEFINE(___INLINE_JUMPS)
 262   GSC_CC_O_DEFS="$GSC_CC_O_DEFS -D___INLINE_JUMPS"
 263 fi
 264
 265 ###############################################################################
 266 #
 267 # Check if expensive GCC optimizations should be used.  This makes the
 268 # executable faster but the compilation will be much longer and take
 269 # much more memory.
 270
 271 AC_ARG_ENABLE(gcc-opts,
 272               AC_HELP_STRING([--enable-gcc-opts],
 273                              [use expensive GCC optimizations (default is NO)]),
 274               ENABLE_GCC_OPTS=$enableval,
 275               ENABLE_GCC_OPTS=no)
 276
 277 ###############################################################################
 278 #
 279 # Check the width of Scheme characters.
 280
 281 AC_ARG_ENABLE(char-size,
 282               AC_HELP_STRING([--enable-char-size=N],
 283                              [Scheme character size in bytes (default is 4)]),
 284               CHAR_SIZE=$enableval,
 285               CHAR_SIZE=4)
 286
 287 if test "$CHAR_SIZE" = 1; then
 288   CONF_MAX_CHR="0xff"
 289 else
 290 if test "$CHAR_SIZE" = 2; then
 291   CONF_MAX_CHR="0xffff"
 292 else
 293   CONF_MAX_CHR="0x10ffff"
 294 fi
 295 fi
 296
 297 AC_SUBST(CONF_MAX_CHR)
 298
 299 ###############################################################################
 300 #
 301 # Check the size of the type "void*".  On many systems it is the same
 302 # size as "long".  If this isn't the case then define
 303 # ___VOIDSTAR_WIDTH appropriately.
 304
 305 AC_CHECK_SIZEOF(void*)
 306 AC_CHECK_SIZEOF(long)
 307
 308 if test "$ac_cv_sizeof_voidp" != "$ac_cv_sizeof_long"; then
 309   CONF_VOIDSTAR_WIDTH="($ac_cv_sizeof_voidp * ___CHAR_WIDTH)"
 310 else
 311   CONF_VOIDSTAR_WIDTH="___LONG_WIDTH"
 312 fi
 313
 314 AC_SUBST(CONF_VOIDSTAR_WIDTH)
 315
 316 ###############################################################################
 317 #
 318 # Check if a shared library must be built.
 319
 320 AC_ARG_ENABLE(shared,
 321               AC_HELP_STRING([--enable-shared],
 322                              [build the Scheme runtime system as a shared library (default is NO)]),
 323               ENABLE_SHARED=$enableval,
 324               ENABLE_SHARED=no)
 325
 326 if test "$ENABLE_SHARED" = yes; then
 327   AC_DEFINE(___SHARED)
 328   # don't add to GSC_CC_O_DEFS
 329 fi
 330
 331 ###############################################################################
 332 #
 333 # Check if only ANSI C headers and libraries should be used.
 334
 335 AC_ARG_ENABLE(ansi-c,
 336               AC_HELP_STRING([--enable-ansi-c],
 337                              [link only with ANSI C libraries (default is NO)]),
 338               ANSI_C=$enableval,
 339               ANSI_C=no)
 340
 341 ###############################################################################
 342 #
 343 # Check if symbolic links should be used for files not in the
 344 # central installation directory.
 345
 346 AC_ARG_ENABLE(symlinks,
 347               AC_HELP_STRING([--enable-symlinks],
 348                              [use symbolic links for installed files not in the central installation directory (default is YES)]),
 349               ENABLE_SYMLINKS=$enableval,
 350               ENABLE_SYMLINKS=no)
 351
 352 ###############################################################################
 353 #
 354 # Determine the name to use for the Gambit interpreter and compiler.
 355
 356 AC_ARG_ENABLE(interpreter-name,
 357               AC_HELP_STRING([--enable-interpreter-name=INTERP],
 358                              [Name to use for Gambit interpreter (default is gsi)]),
 359               ENABLE_INTERPRETER_NAME=$enableval,
 360               ENABLE_INTERPRETER_NAME="gsi")
 361
 362 AC_ARG_ENABLE(compiler-name,
 363               AC_HELP_STRING([--enable-compiler-name=COMP],
 364                              [Name to use for Gambit compiler (default is gsc)]),
 365               ENABLE_COMPILER_NAME=$enableval,
 366               ENABLE_COMPILER_NAME="gsc")
 367
 368 ###############################################################################
 369 #
 370 # Check if multiple installed versions are supported.
 371
 372 AC_ARG_ENABLE(multiple-versions,
 373               AC_HELP_STRING([--enable-multiple-versions],
 374                              [multiple installed versions are supported (default is NO)]),
 375               ENABLE_MULTIPLE_VERSIONS=$enableval,
 376               ENABLE_MULTIPLE_VERSIONS=no)
 377
 378 ###############################################################################
 379 #
 380 # Check if libraries should contain a version number suffix.
 381
 382 ENABLE_VERSIONNED_LIBS=no
 383
 384 # This option does not currently work.  Some work is needed to make it
 385 # work properly.  Here is the documentation that should go in INSTALL.txt:
 386
 387 #The option --enable-versionned-libs will add a version number suffix
 388 #to the libraries.  For example the Gambit v4.3.2 runtime library which
 389 #is normally libgambc.a will be named libgambc-v4_3_2.a and it must be
 390 #linked to with the C compiler option -lgambc-v4_3_2 .  If you give
 391 #this option a value, as in --enable-versionned-libs=<suffix> then
 392 #<suffix> will be appended to the name of the libraries.
 393
 394 #AC_ARG_ENABLE(versionned-libs,
 395 #              AC_HELP_STRING([--enable-versionned-libs],
 396 #                             [libraries should contain a version number suffix (default is NO)]),
 397 #              ENABLE_VERSIONNED_LIBS=$enableval,
 398 #              ENABLE_VERSIONNED_LIBS=no)
 399
 400 ###############################################################################
 401 #
 402 # Check if shared libraries should be linked to using an absolute path.
 403
 404 AC_ARG_ENABLE(absolute-shared-libs,
 405               AC_HELP_STRING([--enable-absolute-shared-libs],
 406                              [shared libraries should be linked to using an absolute path (default is YES)]),
 407               ENABLE_ABSOLUTE_SHARED_LIBS=$enableval,
 408               ENABLE_ABSOLUTE_SHARED_LIBS=yes)
 409
 410 if test "$ENABLE_SHARED" != "yes"; then
 411   ENABLE_ABSOLUTE_SHARED_LIBS=no
 412 fi
 413
 414 ###############################################################################
 415 #
 416 # Determine which browser to use for help.
 417
 418 AC_ARG_ENABLE(help-browser,
 419               AC_HELP_STRING([--enable-help-browser=BROWSER],
 420                              [Browser to use for help (default is to search)]),
 421               HELP_BROWSER=$enableval,
 422               HELP_BROWSER="")
 423
 424 ###############################################################################
 425 #
 426 # Check for C compiler.
 427
 428 AC_DEFUN(AC_CHECK_C_COMPILER_DEF,
 429 [AC_CACHE_CHECK(whether $C_COMPILER defines [$1], [$2],
 430 [AC_SUBST($2)
 431 rm -f conftest.$ac_ext
 432 cat >conftest.$ac_ext <<_ACEOF
 433 #line $LINENO "configure"
 434 int
 435 main ()
 436 {
 437 #ifndef $1
 438        choke me
 439 #endif
 440
 441   ;
 442   return 0;
 443 }
 444 _ACEOF
 445 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 446   (eval $ac_link) 2>&5
 447   ac_status=$?
 448   echo "$as_me:$LINENO: \$? = $ac_status" >&5
 449   (exit $ac_status); }; then
 450   $2="yes"
 451 else
 452   $2=""
 453 fi
 454 ])])
 455
 456 AC_DEFUN(AC_CHECK_C_COMPILER_OPT,
 457 [AC_CACHE_CHECK(whether $C_COMPILER accepts [$1], [$2],
 458 [AC_SUBST($2)
 459 rm -f conftest.$ac_ext
 460 cat >conftest.$ac_ext <<_ACEOF
 461 #line $LINENO "configure"
 462 int
 463 main ()
 464 {
 465   return 0;
 466 }
 467 _ACEOF
 468 ac_test_CFLAGS=${CFLAGS+set}
 469 ac_test_CXXFLAGS=${CXXFLAGS+set}
 470 ac_save_CFLAGS=$CFLAGS
 471 ac_save_CXXFLAGS=$CXXFLAGS
 472 CFLAGS="$1$3"
 473 CXXFLAGS="$1$3"
 474 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 475   (eval $ac_link) 2>&5
 476   ac_status=$?
 477   echo "$as_me:$LINENO: \$? = $ac_status" >&5
 478   (exit $ac_status); }; then
 479   $2=" $1"
 480 else
 481   $2=""
 482 fi
 483 if test "$ac_test_CFLAGS" = set; then
 484   CFLAGS=$ac_save_CFLAGS
 485 fi
 486 if test "$ac_test_CXXFLAGS" = set; then
 487   CXXFLAGS=$ac_save_CXXFLAGS
 488 fi
 489 ])])
 490
 491 AC_DEFUN(AC_CHECK_C_COMPILER_CPP_EXPR,
 492 [AC_CACHE_CHECK(how $C_COMPILER's preprocessor evaluates [$1], [$2],
 493 [AC_SUBST($2)
 494 rm -f conftest.$ac_ext
 495 cat >conftest.$ac_ext <<_ACEOF
 496 #line $LINENO "configure"
 497 int
 498 main ()
 499 {
 500 #if $1
 501 #else
 502        choke me
 503 #endif
 504
 505   ;
 506   return 0;
 507 }
 508 _ACEOF
 509 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 510   (eval $ac_link) 2>&5
 511   ac_status=$?
 512   echo "$as_me:$LINENO: \$? = $ac_status" >&5
 513   (exit $ac_status); }; then
 514   $2="yes"
 515 else
 516   $2=""
 517 fi
 518 ])])
 519
 520 AC_CHECK_C_COMPILER_DEF(__GNUC__,C_COMP_GNUC)
 521 AC_CHECK_C_COMPILER_DEF(_MSC_VER,C_COMP_VISUALC)
 522 #AC_CHECK_C_COMPILER_DEF(__WATCOMC__,C_COMP_WATCOMC)
 523 #AC_CHECK_C_COMPILER_DEF(__BORLANDC__,C_COMP_BORLANDC)
 524
 525 ###############################################################################
 526 #
 527 # Check for header files.
 528
 529 AC_CHECK_HEADERS(errno.h)
 530 AC_CHECK_HEADERS(float.h)
 531 AC_CHECK_HEADERS(signal.h)
 532 AC_CHECK_HEADERS(stdio.h)
 533 AC_CHECK_HEADERS(stdlib.h)
 534 AC_CHECK_HEADERS(string.h)
 535 AC_CHECK_HEADERS(time.h)
 536
 537 if test "$ANSI_C" = yes; then
 538
 539   # Check if linking to the math library needs some special linker flags.
 540
 541   AC_SEARCH_LIBS(asin,m)
 542
 543   # The following functions should be provided by an ANSI-C conforming
 544   # compiler, but it is safest to double check.  If they are not
 545   # available, the system will still compile but some functionality
 546   # will be missing from the Gambit runtime system.
 547
 548   AC_CHECK_FUNCS(getenv)
 549   AC_CHECK_FUNCS(time)
 550   AC_CHECK_FUNCS(clock)
 551
 552 else
 553
 554   AC_CHECK_HEADERS(unistd.h)
 555   AC_CHECK_HEADERS(pwd.h)
 556   AC_CHECK_HEADERS(dirent.h)
 557   AC_CHECK_HEADERS(dlfcn.h)
 558   AC_CHECK_HEADERS(dl.h)
 559   AC_CHECK_HEADERS(sys/dxe.h)
 560   AC_CHECK_HEADERS(mach-o/dyld.h)
 561   AC_CHECK_HEADERS(sys/types.h)
 562   AC_CHECK_HEADERS(sys/time.h)
 563   AC_CHECK_HEADERS(sys/times.h)
 564   AC_CHECK_HEADERS(sys/timeb.h)
 565   AC_CHECK_HEADERS(sys/timers.h)
 566   AC_CHECK_HEADERS(sys/resource.h)
 567   AC_CHECK_HEADERS(sys/stat.h)
 568   AC_CHECK_HEADERS(sys/wait.h)
 569   AC_CHECK_HEADERS(stat.h)
 570   AC_CHECK_HEADERS(netdb.h)
 571   AC_CHECK_HEADERS(grp.h)
 572   #AC_CHECK_HEADERS(windows.h)
 573   #AC_CHECK_HEADERS(io.h)
 574   #AC_CHECK_HEADERS(tchar.h)
 575   AC_CHECK_HEADERS(fpu_control.h)
 576   AC_CHECK_HEADERS(os2.h)
 577   AC_CHECK_HEADERS(dos.h)
 578   AC_CHECK_HEADERS(direct.h)
 579   #AC_CHECK_HEADERS(Retrace.h)
 580   #AC_CHECK_HEADERS(Files.h)
 581   #AC_CHECK_HEADERS(Finder.h)
 582   #AC_CHECK_HEADERS(Errors.h)
 583   #AC_CHECK_HEADERS(Folders.h)
 584   #AC_CHECK_HEADERS(OSUtils.h)
 585   #AC_CHECK_HEADERS(Power.h)
 586   #AC_CHECK_HEADERS(CodeFragments.h)
 587   #AC_CHECK_HEADERS(SIOUX.h)
 588   #AC_CHECK_HEADERS(mac_gui.h)
 589   #AC_CHECK_HEADERS(unix.h)
 590   AC_CHECK_HEADERS(wdefwin.h)
 591   AC_CHECK_HEADERS(tfork.h)
 592   AC_CHECK_HEADERS(curses.h)
 593   AC_CHECK_HEADERS(ncurses.h)
 594   AC_CHECK_HEADERS(netinet/in.h)
 595   AC_CHECK_HEADERS(arpa/inet.h)
 596   AC_CHECK_HEADERS(termios.h)
 597   #AC_CHECK_HEADERS(term.h)
 598   AC_CHECK_HEADERS(pty.h)
 599   AC_CHECK_HEADERS(libutil.h)
 600   AC_CHECK_HEADERS(util.h)
 601   AC_CHECK_HEADERS(sys/fpu.h)
 602   AC_CHECK_HEADERS(fenv.h)
 603   AC_CHECK_HEADERS(fcntl.h)
 604   AC_CHECK_HEADERS(sys/ioctl.h)
 605   AC_CHECK_HEADERS(sys/socket.h)
 606   AC_CHECK_HEADERS(strings.h)
 607   AC_CHECK_HEADERS(memory.h)
 608   AC_CHECK_HEADERS(sys/sysctl.h)
 609
 610   if test "$C_COMP_VISUALC" != yes; then
 611
 612     AC_DEFUN([AC_TYPE_SOCKLEN_T],
 613     [AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
 614     [
 615       AC_TRY_COMPILE(
 616       [#include <sys/types.h>
 617        #include <sys/socket.h>],
 618       [socklen_t len = 42; return 0;],
 619       ac_cv_type_socklen_t=yes,
 620       ac_cv_type_socklen_t=no)
 621     ])
 622       if test $ac_cv_type_socklen_t != yes; then
 623         AC_DEFINE(socklen_t, int)
 624       fi
 625     ])
 626
 627     AC_TYPE_SOCKLEN_T
 628
 629   fi
 630
 631   #AC_TYPE_MODE_T
 632   #AC_TYPE_OFF_T
 633   #AC_TYPE_PID_T
 634   #AC_TYPE_SIGNAL
 635   #AC_TYPE_SIZE_T
 636   #AC_TYPE_UID_T
 637
 638   #AC_HEADER_DIRENT
 639   #AC_HEADER_STAT
 640   #AC_HEADER_STDC
 641   #AC_HEADER_SYS_WAIT
 642   #AC_HEADER_TIME
 643   #AC_HEADER_TIOCGWINSZ
 644   #AC_FUNC_SELECT_ARGTYPES
 645
 646   #AC_FUNC_CLOSEDIR_VOID
 647   #AC_FUNC_FSEEKO
 648   #AC_FUNC_STAT
 649   #AC_FUNC_LSTAT
 650
 651   if test "$C_COMP_VISUALC" = yes; then
 652
 653     LIBS="$LIBS Kernel32.Lib User32.Lib Gdi32.Lib WS2_32.Lib"
 654     FLAGS_OBJ="$FLAGS_OBJ -D_WINDOWS"
 655
 656   else
 657
 658     case "$target_os" in
 659
 660        mingw*) # add Windows libraries needed by MinGW
 661                LIBS="$LIBS -lws2_32"
 662                FLAGS_OBJ="$FLAGS_OBJ -D_WINDOWS"
 663                ;;
 664
 665             *) # check libraries for other systems
 666                AC_SEARCH_LIBS(asin,m)
 667
 668                AC_SEARCH_LIBS(dlopen,dl)
 669                AC_SEARCH_LIBS(shl_load,dld)
 670
 671                #AC_SEARCH_LIBS(tgetstr,ncurses curses)
 672                #AC_SEARCH_LIBS(tigetstr,ncurses curses)
 673
 674                AC_SEARCH_LIBS(socket,socket)
 675
 676                AC_SEARCH_LIBS(gethostbyname,nsl resolv xnet)
 677
 678                AC_SEARCH_LIBS(hstrerror,resolv)
 679
 680                AC_SEARCH_LIBS(openpty,util)
 681
 682                AC_SEARCH_LIBS(WSAStartup,ws2_32)
 683                ;;
 684     esac
 685
 686   fi
 687
 688   AC_CHECK_FUNCS(pipe)
 689   AC_CHECK_FUNCS(socketpair)
 690   AC_CHECK_FUNCS(chdir)
 691   AC_CHECK_FUNCS(execvp)
 692   AC_CHECK_FUNCS(getgrnam)
 693   AC_CHECK_FUNCS(getpid)
 694   AC_CHECK_FUNCS(getppid)
 695   AC_CHECK_FUNCS(getpwnam)
 696   AC_CHECK_FUNCS(ioctl)
 697   AC_CHECK_FUNCS(link)
 698   AC_CHECK_FUNCS(mkdir)
 699   AC_CHECK_FUNCS(mkfifo)
 700   AC_CHECK_FUNCS(opendir)
 701   AC_CHECK_FUNCS(rename)
 702   AC_CHECK_FUNCS(rmdir)
 703   AC_CHECK_FUNCS(socket)
 704   AC_CHECK_FUNCS(stat)
 705   AC_CHECK_FUNCS(stat64)
 706   AC_CHECK_FUNCS(strerror)
 707   AC_CHECK_FUNCS(symlink)
 708   AC_CHECK_FUNCS(sysconf)
 709   AC_CHECK_FUNCS(sysctl)
 710   AC_CHECK_FUNCS(tcgetattr)
 711   AC_CHECK_FUNCS(unlink)
 712   AC_CHECK_FUNCS(waitpid)
 713
 714   AC_CHECK_FUNCS(clock_gettime)
 715   AC_CHECK_FUNCS(getclock)
 716   #AC_CHECK_FUNCS(GetSystemTime)
 717   AC_CHECK_FUNCS(gettimeofday)
 718   AC_CHECK_FUNCS(ftime)
 719   AC_CHECK_FUNCS(time)
 720
 721   AC_CHECK_FUNCS(nanosleep)
 722   #AC_CHECK_FUNCS(Sleep)
 723   AC_CHECK_FUNCS(sleep)
 724
 725   #AC_CHECK_FUNCS(GetProcessTimes)
 726   AC_CHECK_FUNCS(getrusage)
 727   AC_CHECK_FUNCS(times)
 728   AC_CHECK_FUNCS(clock)
 729   AC_CHECK_FUNCS(DosQuerySysInfo)
 730
 731   AC_CHECK_FUNCS(setitimer)
 732   AC_CHECK_FUNCS(dos_setvect)
 733   AC_CHECK_FUNCS(DosStartTimer)
 734   AC_CHECK_FUNCS(VInstall)
 735   #AC_CHECK_FUNCS(CreateThread)
 736
 737   AC_CHECK_FUNCS(sigaction)
 738   AC_CHECK_FUNCS(sigemptyset)
 739   AC_CHECK_FUNCS(sigaddset)
 740   AC_CHECK_FUNCS(sigprocmask)
 741   AC_CHECK_FUNCS(signal)
 742
 743   AC_CHECK_FUNCS(shl_load)
 744   #AC_CHECK_FUNCS(LoadLibrary)
 745   AC_CHECK_FUNCS(DosLoadModule)
 746   AC_CHECK_FUNCS(dxe_load)
 747   AC_CHECK_FUNCS(GetDiskFragment)
 748   AC_CHECK_FUNCS(dlopen)
 749   AC_CHECK_FUNCS(NSLinkModule) # has been deprecated by Apple
 750
 751   AC_CHECK_FUNCS(gethostname)
 752   AC_CHECK_FUNCS(inet_pton)
 753   AC_CHECK_FUNCS(gethostbyname)
 754   AC_CHECK_FUNCS(gethostbyaddr)
 755   AC_CHECK_FUNCS(getservbyname)
 756   AC_CHECK_FUNCS(getservbyport)
 757   AC_CHECK_FUNCS(getprotobyname)
 758   AC_CHECK_FUNCS(getprotobynumber)
 759   AC_CHECK_FUNCS(getnetbyname)
 760
 761   AC_CHECK_FUNCS(select)
 762   #AC_CHECK_FUNCS(MsgWaitForMultipleObjects)
 763
 764   #AC_CHECK_FUNCS(tgetstr)
 765   #AC_CHECK_FUNCS(tigetstr)
 766
 767   AC_CHECK_FUNCS(openpty)
 768   AC_CHECK_FUNCS(getpt)
 769   AC_CHECK_FUNCS(ptsname)
 770
 771   AC_CHECK_FUNCS(hstrerror)
 772
 773   AC_CHECK_FUNCS(get_fpc_csr)
 774
 775 fi
 776
 777 ###############################################################################
 778 #
 779 # Check which command line options are supported by $C_COMPILER.
 780
 781 if test "$C_COMP_GNUC" = yes; then
 782
 783   ########## Using gcc...
 784
 785   # Determine which gcc version is being used.
 786
 787   AC_CHECK_C_COMPILER_CPP_EXPR((__GNUC__*100+__GNUC_MINOR__)>=402&&(__GNUC__*100+__GNUC_MINOR__)<=403,GCC_42_OR_43)
 788
 789   # preprocessor options:
 790   AC_CHECK_C_COMPILER_OPT(-no-cpp-precomp,DASH_no_cpp_precomp)
 791
 792   # debugging options:
 793   AC_CHECK_C_COMPILER_OPT(-Wall,DASH_Wall)
 794   AC_CHECK_C_COMPILER_OPT(-W,DASH_W)
 795   AC_CHECK_C_COMPILER_OPT(-Wno-unused,DASH_Wno_unused)
 796   AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
 797
 798   # profiling options:
 799   AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
 800   AC_CHECK_C_COMPILER_OPT(-pg,DASH_pg)
 801   AC_CHECK_C_COMPILER_OPT(-ftest-coverage,DASH_ftest_coverage)
 802   AC_CHECK_C_COMPILER_OPT(-fprofile-arcs,DASH_fprofile_arcs)
 803   AC_CHECK_C_COMPILER_OPT(-fbranch-probabilities,DASH_fbranch_probabilities)
 804
 805   # optimization options:
 806   AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
 807   AC_CHECK_C_COMPILER_OPT(-fno-math-errno,DASH_fno_math_errno)
 808   AC_CHECK_C_COMPILER_OPT(-fschedule-insns2,DASH_fschedule_insns2)
 809   AC_CHECK_C_COMPILER_OPT(-fno-trapping-math,DASH_fno_trapping_math)
 810   AC_CHECK_C_COMPILER_OPT(-fno-strict-aliasing,DASH_fno_strict_aliasing)
 811   AC_CHECK_C_COMPILER_OPT(-fwrapv,DASH_fwrapv)
 812   AC_CHECK_C_COMPILER_OPT(-fomit-frame-pointer,DASH_fomit_frame_pointer)
 813   AC_CHECK_C_COMPILER_OPT(-fno-move-loop-invariants,DASH_fno_move_loop_invariants)
 814
 815 # It isn't clear these are useful:
 816 #  AC_CHECK_C_COMPILER_OPT(-fexpensive-optimizations,DASH_fexpensive_optimizations)
 817 #  AC_CHECK_C_COMPILER_OPT(-fforce-addr,DASH_fforce_addr)
 818 #  AC_CHECK_C_COMPILER_OPT(-fpeephole2,DASH_fpeephole2)
 819 #  AC_CHECK_C_COMPILER_OPT(-falign-jumps,DASH_falign_jumps)
 820 #  AC_CHECK_C_COMPILER_OPT(-falign-functions,DASH_falign_functions)
 821 #  AC_CHECK_C_COMPILER_OPT(-fno-function-cse,DASH_fno_function_cse)
 822 #  AC_CHECK_C_COMPILER_OPT(-ftree-copyrename,DASH_ftree_copyrename)
 823 #  AC_CHECK_C_COMPILER_OPT(-ftree-fre,DASH_ftree_fre)
 824 #  AC_CHECK_C_COMPILER_OPT(-ftree-dce,DASH_ftree_dce)
 825 #  AC_CHECK_C_COMPILER_OPT(-fschedule-interblock,DASH_fschedule_interblock)
 826 #  AC_CHECK_C_COMPILER_OPT(-fregmove,DASH_fregmove)
 827 #  AC_CHECK_C_COMPILER_OPT(-fgcse-las,DASH_fgcse_las)
 828 #  AC_CHECK_C_COMPILER_OPT(-freorder-functions,DASH_freorder_functions)
 829 #  AC_CHECK_C_COMPILER_OPT(-fcaller-saves,DASH_fcaller_saves)
 830 #  AC_CHECK_C_COMPILER_OPT(-fno-if-conversion2,DASH_fno_if_conversion2)
 831 #  AC_CHECK_C_COMPILER_OPT(-foptimize-sibling-calls,DASH_foptimize_sibling_calls)
 832 #  AC_CHECK_C_COMPILER_OPT(-fcse-skip-blocks,DASH_fcse_skip_blocks)
 833 #  AC_CHECK_C_COMPILER_OPT(-funit-at-a-time,DASH_funit_at_a_time)
 834 #  AC_CHECK_C_COMPILER_OPT(-finline-functions,DASH_finline_functions)
 835
 836   if test "$ENABLE_GCC_OPTS" = yes; then
 837     AC_CHECK_C_COMPILER_OPT(-fmodulo-sched,DASH_fmodulo_sched)
 838     AC_CHECK_C_COMPILER_OPT(-freschedule-modulo-scheduled-loops,DASH_freschedule_modulo_scheduled_loops)
 839
 840   fi
 841
 842   # code generation options:
 843   case "$target_os" in
 844
 845      mingw*) # no special code generation options needed by MinGW
 846              ;;
 847
 848     cygwin*) # no special code generation options needed by cygwin
 849              ;;
 850
 851           *) # check for code generation options for other systems
 852              AC_CHECK_C_COMPILER_OPT(-fPIC,DASH_fPIC)
 853              AC_CHECK_C_COMPILER_OPT(-fpic,DASH_fpic)
 854              ;;
 855   esac
 856   AC_CHECK_C_COMPILER_OPT(-fno-common,DASH_fno_common)
 857
 858   # machine specific options:
 859   AC_CHECK_C_COMPILER_OPT(-mieee,DASH_mieee)
 860   AC_CHECK_C_COMPILER_OPT(-mieee-with-inexact,DASH_mieee_with_inexact)
 861   AC_CHECK_C_COMPILER_OPT(-mieee-fp,DASH_mieee_fp)
 862
 863   # linking options:
 864   case "$target_os" in
 865
 866      mingw*) # no special options needed by MinGW
 867              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
 868              ;;
 869
 870     cygwin*) # no special options needed by cygwin
 871              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
 872              ;;
 873
 874    solaris*) # check for options needed by Solaris
 875              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
 876              ;;
 877
 878       hpux*) # check for options needed by HP-UX
 879              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
 880              ;;
 881
 882     darwin*) # check for special options added by Apple
 883              AC_CHECK_C_COMPILER_OPT(-dynamiclib,DASH_dynamiclib)
 884              AC_CHECK_C_COMPILER_OPT(-bundle,DASH_bundle)
 885              AC_CHECK_C_COMPILER_OPT(-flat_namespace -undefined suppress,DASH_flat_namespace_undefined_suppress)
 886              ;;
 887
 888           *) # for other systems
 889              AC_CHECK_C_COMPILER_OPT(-rdynamic,DASH_rdynamic)
 890              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
 891              ;;
 892   esac
 893
 894   # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
 895
 896   case "$target_os" in
 897     darwin*) # avoid the default C preprocessor which is setup for Objective-C
 898              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_no_cpp_precomp"
 899              ;;
 900   esac
 901
 902   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_Wno_unused"
 903
 904   if test "$ENABLE_DEBUG" = yes; then
 905     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
 906   fi
 907
 908   if test "$ENABLE_PROFILE" = yes; then
 909     if test "x$DASH_pg" != x; then
 910       FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_pg"
 911     else
 912       FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
 913     fi
 914   fi
 915
 916   if test "$ENABLE_DEBUG" != yes; then
 917     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1$DASH_fno_math_errno$DASH_fschedule_insns2"
 918   fi
 919
 920   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fno_trapping_math$DASH_fno_strict_aliasing$DASH_fwrapv"
 921
 922 # It isn't clear these are useful:
 923 #  FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fno_trapping_math$DASH_fno_strict_aliasing$DASH_fwrapv$DASH_fexpensive_optimizations$DASH_fforce_addr$DASH_fpeephole2$DASH_falign_jumps$DASH_falign_functions$DASH_fno_function_cse$DASH_ftree_copyrename$DASH_ftree_fre$DASH_ftree_dce$DASH_fschedule_interblock$DASH_fregmove$DASH_fgcse_las$DASH_freorder_functions$DASH_fcaller_saves$DASH_fno_if_conversion2$DASH_foptimize_sibling_calls$DASH_fcse_skip_blocks$DASH_funit_at_a_time$DASH_finline_functions"
 924
 925   if test "$ENABLE_GCC_OPTS" = yes; then
 926     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fmodulo_sched$DASH_freschedule_modulo_scheduled_loops"
 927   fi
 928
 929   case "$target_os" in
 930
 931      mingw*) # MinGW's setjmp seems to need the frame pointer
 932              ;;
 933
 934           *) # other systems are fine as far as I can tell
 935              if test "$ENABLE_DEBUG" != yes -a "$ENABLE_PROFILE" != yes; then
 936                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fomit_frame_pointer"
 937              fi
 938              ;;
 939   esac
 940
 941   ENABLE_GCC_MOVE_LOOP_INVARIANTS=yes
 942   if test "$ENABLE_SINGLE_HOST" = yes; then
 943     if test "$GCC_42_OR_43" = yes; then
 944       ENABLE_GCC_MOVE_LOOP_INVARIANTS=no
 945     fi
 946   fi
 947
 948   if test "$ENABLE_GCC_MOVE_LOOP_INVARIANTS" != yes; then
 949     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fno_move_loop_invariants"
 950   fi
 951
 952   if test "$ENABLE_FEEDBACK1" = yes -o "$ENABLE_COVERAGE" = yes; then
 953     AC_DEFINE(___DONT_UNLOAD_DYN_CODE)
 954     FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_fprofile_arcs"
 955     if test "$ENABLE_COVERAGE" = yes; then
 956       FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_ftest_coverage"
 957     fi
 958   fi
 959
 960   if test "$ENABLE_FEEDBACK2" = yes; then
 961     AC_DEFINE(___DONT_UNLOAD_DYN_CODE)
 962     FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_fbranch_probabilities"
 963   fi
 964
 965   if test "x$DASH_fPIC" != x; then
 966     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fPIC"
 967   else
 968     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fpic"
 969   fi
 970
 971   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fno_common"
 972
 973   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_mieee$DASH_mieee_with_inexact$DASH_mieee_fp"
 974
 975   case "$target_os" in
 976
 977     darwin*) # check for special options added by Apple
 978              FLAGS_DYN="$FLAGS_DYN$DASH_bundle"
 979              FLAGS_LIB="$FLAGS_LIB$DASH_dynamiclib -install_name \$(libdir)/\$(LIBRARY)"
 980              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_flat_namespace_undefined_suppress"
 981              ;;
 982
 983           *) # for other systems
 984              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_rdynamic$DASH_shared"
 985              FLAGS_EXE="$FLAGS_EXE$DASH_rdynamic"
 986              ;;
 987   esac
 988
 989 else if test "$C_COMP_VISUALC" = yes; then
 990
 991   ########## Microsoft Visual C++ compiler
 992
 993   FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE -nologo -Oityb1 -MT -D_CRT_SECURE_NO_DEPRECATE"
 994   FLAGS_DYN="$FLAGS_DYN -LD"
 995
 996 #else if test "$C_COMP_WATCOMC" = yes; then
 997 #else if test "$C_COMP_BORLANDC" = yes; then
 998
 999 else
1000
1001   ########## Need to guess the C compiler from the OS...
1002
1003   case "$target_os" in
1004
1005    solaris*) ########## Probably using the Sun Workshop C/C++ compiler...
1006
1007              # debugging options:
1008              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1009
1010              # profiling options:
1011              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1012
1013              # optimization options:
1014              AC_CHECK_C_COMPILER_OPT(-xO2,DASH_xO2)
1015
1016              # code generation options:
1017              AC_CHECK_C_COMPILER_OPT(-KPIC,DASH_KPIC)
1018
1019              # linking options:
1020              AC_CHECK_C_COMPILER_OPT(-G,DASH_G)
1021
1022              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1023
1024              if test "$ENABLE_DEBUG" = yes; then
1025                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1026              fi
1027
1028              if test "$ENABLE_PROFILE" = yes; then
1029                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1030              fi
1031
1032              if test "$ENABLE_DEBUG" != yes; then
1033                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_xO2"
1034              fi
1035
1036              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_KPIC"
1037
1038              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_G"
1039              ;;
1040
1041        osf*) ########## Probably using the Compaq Tru64 UNIX C/C++ compiler...
1042
1043              # debugging options:
1044              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1045
1046              # profiling options:
1047              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1048
1049              # optimization options:
1050              AC_CHECK_C_COMPILER_OPT(-O2,DASH_O2)
1051
1052              # code generation options:
1053              AC_CHECK_C_COMPILER_OPT(-ieee,DASH_ieee)
1054              AC_CHECK_C_COMPILER_OPT(-call_shared,DASH_call_shared)
1055              #AC_CHECK_C_COMPILER_OPT(-taso,DASH_taso)
1056
1057              # linking options:
1058              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared)
1059              AC_CHECK_C_COMPILER_OPT(-expect_unresolved,DASH_expect_unresolved)
1060
1061              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1062
1063              if test "$ENABLE_DEBUG" = yes; then
1064                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1065              fi
1066
1067              if test "$ENABLE_PROFILE" = yes; then
1068                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1069              fi
1070
1071              if test "$ENABLE_DEBUG" != yes; then
1072                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O2"
1073              fi
1074
1075              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_ieee$DASH_call_shared"
1076
1077              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_shared$DASH_expect_unresolved"
1078              ;;
1079
1080       irix*) ########## Probably using the MIPSpro C/C++ compiler...
1081
1082              # debugging options:
1083              AC_CHECK_C_COMPILER_OPT(-fullwarn,DASH_fullwarn)
1084              AC_CHECK_C_COMPILER_OPT([-woff 1110,1174,1209,1552,3201],DASH_woff_1110_1174_1209_1552_3201)
1085              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1086
1087              # optimization options:
1088              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1089              AC_CHECK_C_COMPILER_OPT(-OPT:Olimit=0,DASH_OPT_Olimit_0)
1090
1091              # code generation options:
1092              #AC_CHECK_C_COMPILER_OPT(-KPIC,DASH_KPIC)
1093              #AC_CHECK_C_COMPILER_OPT(-non_shared,DASH_non_shared)
1094              AC_CHECK_C_COMPILER_OPT(-TENV:large_GOT,DASH_TENV_large_GOT)
1095              AC_CHECK_C_COMPILER_OPT(-OPT:IEEE_comparisons=ON,DASH_OPT_IEEE_comparisons_ON)
1096              AC_CHECK_C_COMPILER_OPT(-OPT:IEEE_NaN_inf=ON,DASH_OPT_IEEE_NaN_inf_ON)
1097
1098              # linking options:
1099              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared)
1100
1101              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1102
1103              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fullwarn$DASH_woff_1110_1174_1209_1552_3201"
1104
1105              if test "$ENABLE_DEBUG" = yes; then
1106                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1107              fi
1108
1109              if test "$ENABLE_DEBUG" != yes; then
1110                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1$DASH_OPT_Olimit_0"
1111              fi
1112
1113              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_TENV_large_GOT$DASH_OPT_IEEE_comparisons_ON$DASH_OPT_IEEE_NaN_inf_ON"
1114
1115              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_shared"
1116              ;;
1117
1118       hpux*) ########## Probably using the HP-UX compiler...
1119
1120              # debugging options:
1121              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1122
1123              # profiling options:
1124              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1125
1126              # optimization options:
1127              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1128
1129              # linking options:
1130              AC_CHECK_C_COMPILER_OPT(-b,DASH_b)
1131
1132              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1133
1134              if test "$ENABLE_DEBUG" = yes; then
1135                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1136              fi
1137
1138              if test "$ENABLE_PROFILE" = yes; then
1139                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1140              fi
1141
1142              if test "$ENABLE_DEBUG" != yes; then
1143                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1"
1144              fi
1145
1146              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_b"
1147              ;;
1148
1149        aix*) ########## Probably using the AIX xlC compiler...
1150
1151              # debugging options:
1152              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1153
1154              # profiling options:
1155              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1156
1157              # optimization options:
1158              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1159
1160              # linking options:
1161              AC_CHECK_C_COMPILER_OPT(-G,DASH_G)
1162
1163              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1164
1165              if test "$ENABLE_DEBUG" = yes; then
1166                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1167              fi
1168
1169              if test "$ENABLE_PROFILE" = yes; then
1170                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1171              fi
1172
1173              if test "$ENABLE_DEBUG" != yes; then
1174                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1"
1175              fi
1176
1177              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_G"
1178              ;;
1179
1180           *) ########## Unsupported operating system
1181
1182              AC_MSG_NOTICE([
1183 *********************************************************************
1184 *** The GCC compiler is not being used and the operating system   ***
1185 *** is not one that has been tested with the Gambit-C system.     ***
1186 *** The configure script will use certain compiler options that   ***
1187 *** may not be correct or sufficient for compiling the system.    ***
1188 *** Please report success or failure to gambit@iro.umontreal.ca.  ***
1189 *** This will help us support this operating system in the        ***
1190 *** future.                                                       ***
1191 *********************************************************************
1192 ])
1193
1194              # debugging options:
1195              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1196
1197              # profiling options:
1198              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1199
1200              # optimization options:
1201              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1202
1203              # linking options:
1204              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared)
1205
1206              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1207
1208              if test "$ENABLE_DEBUG" = yes; then
1209                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1210              fi
1211
1212              if test "$ENABLE_PROFILE" = yes; then
1213                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1214              fi
1215
1216              if test "$ENABLE_DEBUG" != yes; then
1217                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1"
1218              fi
1219
1220              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_shared"
1221              ;;
1222   esac
1223
1224 fi
1225 fi
1226
1227 if test "$ENABLE_CPLUSPLUS" = yes; then
1228   CORCXXFLAGS="$CXXFLAGS"
1229 else
1230   CORCXXFLAGS="$CFLAGS"
1231 fi
1232
1233 FLAGS_OBJ="$CORCXXFLAGS $FLAGS_OBJ $FLAGS_OBJ_DYN $FLAGS_OBJ_DYN_LIB_EXE"
1234 FLAGS_DYN="$LDFLAGS $CORCXXFLAGS $FLAGS_DYN $FLAGS_OBJ_DYN $FLAGS_OBJ_DYN_LIB_EXE $FLAGS_DYN_LIB"
1235 FLAGS_LIB="$LDFLAGS $CORCXXFLAGS $FLAGS_LIB $FLAGS_OBJ_DYN_LIB_EXE $FLAGS_DYN_LIB"
1236 FLAGS_EXE="$LDFLAGS $CORCXXFLAGS $FLAGS_EXE $FLAGS_OBJ_DYN_LIB_EXE"
1237
1238 AC_SUBST(FLAGS_OBJ)
1239 AC_SUBST(FLAGS_DYN)
1240 AC_SUBST(FLAGS_LIB)
1241 AC_SUBST(FLAGS_EXE)
1242
1243 ###############################################################################
1244
1245 AC_SUBST(RTLIBSUBSYS)
1246
1247 ###############################################################################
1248
1249 AC_PATH_XTRA
1250
1251
1252 #AC_SYS_INTERPRETER
1253 #AC_SYS_LARGEFILE
1254 #AC_SYS_POSIX_TERMIOS
1255
1256 AC_PROG_LN_S
1257 AC_PROG_RANLIB
1258 RC="git"
1259 GIT="git"
1260 HG="hg"
1261
1262 exe="$EXEEXT"
1263 obj=".$OBJEXT"
1264
1265 case "$target_os" in
1266
1267    mingw*) bat=".bat"
1268            ;;
1269
1270         *) bat=""
1271            ;;
1272 esac
1273
1274 if test "$ENABLE_SHARED" = yes; then
1275
1276   case "$target_os" in
1277
1278
1279      mingw* | cygwin*)
1280              LIB_PREFIX="lib"
1281              LIB_EXTENSION=".dll"
1282              SETDLPATH="PATH=\"\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${PATH}\""
1283              ;;
1284
1285     darwin*) LIB_PREFIX="lib"
1286              LIB_EXTENSION=".dylib"
1287              SETDLPATH="DYLD_LIBRARY_PATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${DYLD_LIBRARY_PATH}"
1288              ;;
1289
1290       hpux*) LIB_PREFIX="lib"
1291              LIB_EXTENSION=".so"
1292              SETDLPATH="SHLIB_PATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${SHLIB_PATH}"
1293              ;;
1294
1295        aix*) LIB_PREFIX="lib"
1296              LIB_EXTENSION=".so"
1297              SETDLPATH="LIBPATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${LIBPATH}"
1298              ;;
1299
1300           *) LIB_PREFIX="lib"
1301              LIB_EXTENSION=".so"
1302              SETDLPATH="LD_LIBRARY_PATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${LD_LIBRARY_PATH}"
1303              ;;
1304   esac
1305
1306   MAKE_LIBRARY='$(C_COMPILER) $(FLAGS_LIB) -o $(LIBRARY) $(LIBRARY_OBJECTS) $(MAKE_LIBRARY_LIBS) $(LIBS)'
1307   MAKE_LIBRARY_FOR_INSTALL='$(C_COMPILER) $(FLAGS_LIB) -o $(LIBRARY) $(LIBRARY_OBJECTS) $(MAKE_LIBRARY_FOR_INSTALL_LIBS) $(LIBS)'
1308   FIXLIB=':'
1309   LINK='$(C_COMPILER) $(FLAGS_EXE) $(EXECUTABLE_OBJECTS) $(LINK_LIBS) $(LIBS) -o $(EXECUTABLE)'
1310   LINK_FOR_INSTALL='$(C_COMPILER) $(FLAGS_EXE) $(EXECUTABLE_OBJECTS) $(LINK_FOR_INSTALL_LIBS) $(LIBS) -o $(EXECUTABLE)'
1311
1312 else
1313
1314   SETDLPATH=""
1315
1316   if test "$C_COMP_VISUALC" = yes; then
1317
1318     ########## Microsoft Visual C++ compiler
1319
1320     LIB_PREFIX="lib"
1321     LIB_EXTENSION=".lib"
1322     MAKE_LIBRARY='lib -out:$(LIBRARY) $(LIBRARY_OBJECTS)'
1323     MAKE_LIBRARY_FOR_INSTALL=':'
1324     FIXLIB=':'
1325     LINK='$(C_COMPILER) $(FLAGS_EXE) $(EXECUTABLE_OBJECTS) $(LINK_LIBS) $(LIBS) -Fe$(EXECUTABLE)'
1326     LINK_FOR_INSTALL=':'
1327
1328 #  else if test "$C_COMP_WATCOMC" = yes; then
1329 #  else if test "$C_COMP_BORLANDC" = yes; then
1330
1331   else
1332
1333     ########## Other C compiler
1334
1335     LIB_PREFIX="lib"
1336     LIB_EXTENSION=".a"
1337     MAKE_LIBRARY='ar rc $(LIBRARY) $(LIBRARY_OBJECTS) && $(RANLIB) $(LIBRARY)'
1338     MAKE_LIBRARY_FOR_INSTALL=':'
1339     FIXLIB='$(RANLIB)'
1340     LINK='$(C_COMPILER) $(FLAGS_EXE) $(EXECUTABLE_OBJECTS) $(LINK_LIBS) $(LIBS) -o $(EXECUTABLE)'
1341     LINK_FOR_INSTALL=':'
1342
1343   fi
1344
1345 fi
1346
1347 if test "$C_COMP_VISUALC" = yes; then
1348
1349   ########## Microsoft Visual C++ compiler
1350
1351   GSC_CC_O="$C_COMPILER $FLAGS_DYN -I\\\"%GSC_CC_O_GAMBCDIR_INCLUDE%\\\" $GSC_CC_O_DEFS -Fe\\\"%GSC_CC_O_OBJ_FILENAME%\\\" %GSC_CC_O_CC_OPTIONS% %GSC_CC_O_LD_OPTIONS_PRELUDE% \\\"%GSC_CC_O_C_FILENAME_BASE%\\\" %GSC_CC_O_LD_OPTIONS%"
1352
1353 else
1354
1355   case "$target_os" in
1356
1357      mingw*) GSC_CC_O="$C_COMPILER $FLAGS_DYN -I\\\"%GSC_CC_O_GAMBCDIR_INCLUDE%\\\" $GSC_CC_O_DEFS -o \\\"%GSC_CC_O_OBJ_FILENAME%\\\" %GSC_CC_O_CC_OPTIONS% %GSC_CC_O_LD_OPTIONS_PRELUDE% \\\"%GSC_CC_O_C_FILENAME_BASE%\\\" %GSC_CC_O_LD_OPTIONS%"
1358              ;;
1359
1360           *) GSC_CC_O="$C_COMPILER $FLAGS_DYN -I\\\"\\\$\${GSC_CC_O_GAMBCDIR_INCLUDE}\\\" $GSC_CC_O_DEFS -o \\\"\\\$\${GSC_CC_O_OBJ_FILENAME}\\\" \\\$\${GSC_CC_O_CC_OPTIONS} \\\$\${GSC_CC_O_LD_OPTIONS_PRELUDE} \\\"\\\$\${GSC_CC_O_C_FILENAME_BASE}\\\" \\\$\${GSC_CC_O_LD_OPTIONS}"
1361              ;;
1362   esac
1363
1364 fi
1365
1366 if test "$ENABLE_VERSIONNED_LIBS" = "no"; then
1367
1368   LIB_SUFFIX=""
1369
1370 else
1371
1372   if test "$ENABLE_VERSIONNED_LIBS" = "yes"; then
1373
1374     LIB_SUFFIX=`echo -$PACKAGE_VERSION | sed -e 's/\./_/g'`
1375
1376   else
1377
1378     LIB_SUFFIX="$ENABLE_VERSIONNED_LIBS"
1379
1380   fi
1381
1382 fi
1383
1384 GAMBCLIB="gambc$LIB_SUFFIX"
1385 GAMBCGSCLIB="gambcgsc$LIB_SUFFIX"
1386 GAMBCGSILIB="gambcgsi$LIB_SUFFIX"
1387
1388 if test "$ENABLE_ABSOLUTE_SHARED_LIBS" = "yes"; then
1389
1390   MAKE_LIBRARY_FOR_INSTALL_LIBS='$$t_libdir/$(LIB_PREFIX)$(GAMBCLIB)$(LIB_EXTENSION)'
1391   LINK_FOR_INSTALL_GSI_LIBS='$$t_libdir/$(LIB_PREFIX)$(GAMBCGSILIB)$(LIB_EXTENSION) $$t_libdir/$(LIB_PREFIX)$(GAMBCLIB)$(LIB_EXTENSION)'
1392   LINK_FOR_INSTALL_GSC_LIBS='$$t_libdir/$(LIB_PREFIX)$(GAMBCGSCLIB)$(LIB_EXTENSION) $$t_libdir/$(LIB_PREFIX)$(GAMBCLIB)$(LIB_EXTENSION)'
1393
1394 else
1395
1396   MAKE_LIBRARY_FOR_INSTALL_LIBS='-L$(rootfromhere)/lib -l$(GAMBCLIB)'
1397   LINK_FOR_INSTALL_GSI_LIBS='-L. -L$(rootfromhere)/lib -l$(GAMBCGSILIB) -l$(GAMBCLIB)'
1398   LINK_FOR_INSTALL_GSC_LIBS='-L. -L$(rootfromhere)/lib -l$(GAMBCGSCLIB) -l$(GAMBCLIB)'
1399
1400 fi
1401
1402 ###############################################################################
1403 #
1404 # Determine what prefix and suffix are added to function names by the
1405 # C compiler or linker.
1406
1407 case "$target_os" in
1408
1409    mingw*) # empty prefix and suffix
1410            ;;
1411
1412   cygwin*) # empty prefix and suffix
1413            ;;
1414
1415         *) # for other systems
1416
1417            ac_link_obj_file='$C_COMPILER $FLAGS_DYN -Iinclude $GSC_CC_O_DEFS -o conftest.o1 conftest.$ac_ext >&5'
1418
1419            rm -f conftest.$ac_ext conftest.o1 conftest1.sed
1420
1421            cat >conftest.$ac_ext <<_ACEOF
1422 #line $LINENO "configure"
1423 #define ___VERSION 400000
1424 #define ___MODULE_NAME " GAMBCCHECKMODULEPREFIXSUFFIX"
1425 #define ___LINKER_ID ____20_GAMBCCHECKMODULEPREFIXSUFFIX
1426 #define ___MH_PROC ___H__20_GAMBCCHECKMODULEPREFIXSUFFIX
1427 #define ___SCRIPT_LINE 0
1428 #define ___MAX_CHR 0x10ffff
1429 #define ___VOIDSTAR_WIDTH ___LONG_WIDTH
1430 #include "gambit.h.in"
1431
1432 ___BEGIN_MOD1
1433 ___END_MOD1
1434 ___BEGIN_MOD2
1435 ___END_MOD2
1436 _ACEOF
1437
1438            if { (eval echo "$as_me:$LINENO: \"$ac_link_obj_file\"") >&5
1439              (eval $ac_link_obj_file) 2>&5
1440              ac_status=$?
1441              echo "$as_me:$LINENO: \$? = $ac_status" >&5
1442              (exit $ac_status); }; then
1443
1444              cat >conftest1.sed <<_ACEOF
1445 /^.* \([[a-zA-Z0-9_$]]*\)____20_GAMBCCHECKMODULEPREFIXSUFFIX\([[a-zA-Z0-9_$]]*\)$/s//#define ___IMPORTED_ID_PREFIX "\1"\\
1446 #define ___IMPORTED_ID_SUFFIX "\2"/p
1447 _ACEOF
1448
1449              # The nm program will extract the symbols in the object file
1450              # conftest.o1.  The following option is used:
1451              #   -g    shows the external symbols only (to avoid confusion with
1452              #         internal symbols generated by the compiler)
1453              nm -g conftest.o1 | sed -n -f conftest1.sed | sed -n -e "1,2p" >>confdefs.h
1454
1455            fi
1456            ;;
1457 esac
1458
1459 ###############################################################################
1460 #
1461 # Determine where the installation directories are located.
1462
1463 if test "$prefix" = "NONE"; then
1464   prefix="/usr/local/$PACKAGE_NAME"
1465 fi
1466
1467 if test "$ENABLE_MULTIPLE_VERSIONS" = yes; then
1468   prefix="$prefix/$PACKAGE_VERSION"
1469 fi
1470
1471 if test "$bindir" = "\${exec_prefix}/bin"; then
1472   bindir="\${prefix}/bin"
1473 fi
1474
1475 if test "$includedir" = "\${prefix}/include"; then
1476   includedir="\${prefix}/include"
1477 fi
1478
1479 if test "$libdir" = "\${exec_prefix}/lib"; then
1480   libdir="\${prefix}/lib"
1481 fi
1482
1483 if test "$docdir" = "\${datarootdir}/doc/\${PACKAGE_TARNAME}"; then
1484   docdir="\${prefix}/doc"
1485 fi
1486
1487 if test "$infodir" = "\${datarootdir}/info"; then
1488   infodir="\${prefix}/info"
1489 fi
1490
1491 if test "$datadir" = "\${datarootdir}"; then
1492   datadir="\${prefix}/share"
1493 fi
1494
1495 LIBRARY_DEFS="$LIBRARY_DEFS -D___GAMBCDIR=\"\\\"\${prefix}\\\"\""
1496
1497 if test "$ENABLE_SYMLINKS" != yes; then
1498
1499   if test "$bindir" != "\${prefix}/bin"; then
1500     LIBRARY_DEFS="$LIBRARY_DEFS -D___GAMBCDIR_BIN=\"\\\"\${bindir}\\\"\""
1501   fi
1502
1503   if test "$includedir" != "\${prefix}/include"; then
1504     LIBRARY_DEFS="$LIBRARY_DEFS -D___GAMBCDIR_INCLUDE=\"\\\"\${includedir}\\\"\""
1505   fi
1506
1507   if test "$libdir" != "\${prefix}/lib"; then
1508     LIBRARY_DEFS="$LIBRARY_DEFS -D___GAMBCDIR_LIB=\"\\\"\${libdir}\\\"\""
1509   fi
1510
1511   if test "$docdir" != "\${prefix}/doc"; then
1512     LIBRARY_DEFS="$LIBRARY_DEFS -D___GAMBCDIR_DOC=\"\\\"\${docdir}\\\"\""
1513   fi
1514
1515   if test "$infodir" != "\${prefix}/info"; then
1516     LIBRARY_DEFS="$LIBRARY_DEFS -D___GAMBCDIR_INFO=\"\\\"\${infodir}\\\"\""
1517   fi
1518
1519   if test "$datadir" != "\${prefix}/share"; then
1520     LIBRARY_DEFS="$LIBRARY_DEFS -D___GAMBCDIR_SHARE=\"\\\"\${datadir}\\\"\""
1521   fi
1522
1523 fi
1524
1525 emacsdir="\${datadir}/emacs/site-lisp"
1526
1527 LIBRARY_DEFS="$LIBRARY_DEFS -D___SYS_TYPE_CPU=\"\\\"$target_cpu\\\"\""
1528 LIBRARY_DEFS="$LIBRARY_DEFS -D___SYS_TYPE_VENDOR=\"\\\"$target_vendor\\\"\""
1529 LIBRARY_DEFS="$LIBRARY_DEFS -D___SYS_TYPE_OS=\"\\\"$target_os\\\"\""
1530 LIBRARY_DEFS="$LIBRARY_DEFS -D___CONFIGURE_COMMAND=\"\\\"$CONFIGURE_COMMAND\\\"\""
1531
1532 ###############################################################################
1533
1534 if test "$srcdir" = "."; then
1535   srcdirpfx=""
1536 else
1537   srcdirpfx="\$(srcdir)/"
1538 fi
1539
1540 INSTALL='$(rootfromhere)/install-sh -c'
1541 INSTALL_DATA='$(rootfromhere)/install-sh -c -m 644'
1542 INSTALL_LIB='$(rootfromhere)/install-sh -c -m 644'
1543 INSTALL_PROGRAM='$(rootfromhere)/install-sh -c -m 755'
1544
1545 AC_SUBST(srcdirpfx)
1546 AC_SUBST(exe)
1547 AC_SUBST(obj)
1548 AC_SUBST(bat)
1549 AC_SUBST(SETDLPATH)
1550 AC_SUBST(GSC_CC_O)
1551 AC_SUBST(LIBRARY_DEFS)
1552 AC_SUBST(LIB_PREFIX)
1553 AC_SUBST(LIB_EXTENSION)
1554 AC_SUBST(GAMBCLIB)
1555 AC_SUBST(GAMBCGSCLIB)
1556 AC_SUBST(GAMBCGSILIB)
1557 AC_SUBST(MAKE_LIBRARY)
1558 AC_SUBST(MAKE_LIBRARY_FOR_INSTALL)
1559 AC_SUBST(MAKE_LIBRARY_FOR_INSTALL_LIBS)
1560 AC_SUBST(LINK)
1561 AC_SUBST(LINK_FOR_INSTALL)
1562 AC_SUBST(LINK_FOR_INSTALL_GSI_LIBS)
1563 AC_SUBST(LINK_FOR_INSTALL_GSC_LIBS)
1564 AC_SUBST(INSTALL)
1565 AC_SUBST(INSTALL_DATA)
1566 AC_SUBST(INSTALL_LIB)
1567 AC_SUBST(INSTALL_PROGRAM)
1568 AC_SUBST(LN_S)
1569 AC_SUBST(RANLIB)
1570 AC_SUBST(RC)
1571 AC_SUBST(GIT)
1572 AC_SUBST(HG)
1573 AC_SUBST(FIXLIB)
1574
1575 AC_SUBST(X_FLAGS)
1576 AC_SUBST(X_LIBS)
1577
1578 AC_SUBST(ENABLE_SYMLINKS)
1579 AC_SUBST(ENABLE_INTERPRETER_NAME)
1580 AC_SUBST(ENABLE_COMPILER_NAME)
1581 AC_SUBST(ENABLE_MULTIPLE_VERSIONS)
1582 AC_SUBST(ENABLE_SHARED)
1583 AC_SUBST(ENABLE_ABSOLUTE_SHARED_LIBS)
1584 AC_SUBST(ENABLE_VERSIONNED_LIBS)
1585 AC_SUBST(emacsdir)
1586 AC_SUBST(HELP_BROWSER)
1587
1588 AC_PROG_MAKE_SET
1589
1590 AC_OUTPUT(makefile include/makefile include/gambit.h lib/makefile lib/guide/guidepro lib/guide/makefile lib/guide/images/makefile gsi/makefile gsc/makefile bin/makefile bin/gambc-doc.bat.unix bin/gambc-doc.bat.windows misc/makefile doc/makefile tests/makefile examples/makefile examples/distr-comp/makefile examples/pi/makefile examples/ring/makefile examples/web-repl/makefile examples/web-server/makefile examples/tcltk/makefile examples/Xlib-simple/makefile examples/pthread/makefile examples/misc/makefile prebuilt/makefile prebuilt/macosx/makefile prebuilt/macosx/build-phase2 prebuilt/windows/makefile prebuilt/windows/build-phase2)
1591
1592 if test "$ENABLE_SINGLE_HOST" != yes; then
1593   AC_MSG_NOTICE([
1594 **************************************************************************
1595 *** The option "--enable-single-host" was not specified to the         ***
1596 *** configure script.  The Gambit-C system will compile correctly but  ***
1597 *** the code generated by the C compiler will be suboptimal and the    ***
1598 *** executables will run considerably slower than if                   ***
1599 *** "--enable-single-host" is specified.  On the other hand the build  ***
1600 *** process will be faster and require less memory.  If you have lots  ***
1601 *** of RAM memory (>= 500 Mbytes) and you are willing to wait for the  ***
1602 *** longer build try the configure option "--enable-single-host".      ***
1603 **************************************************************************
1604 ])
1605 fi
1606
1607 if test "$C_COMP_GNUC" = yes; then
1608
1609   if test "$ENABLE_GCC_MOVE_LOOP_INVARIANTS" != yes; then
1610     AC_MSG_NOTICE([
1611 **************************************************************************
1612 *** The GCC compiler that is being used has problems compiling Gambit  ***
1613 *** generated code when the normal set of C compiler optimizations are ***
1614 *** enabled and the configure flag "--enable-single-host" is           ***
1615 *** specified.  It can take over 20 GBytes of virtual memory to        ***
1616 *** compile some files.  For this reason the GCC compiler optimization ***
1617 *** which performs loop invariant code motion has been disabled by     ***
1618 *** adding the GCC command line option "-fno-move-loop-invariants".    ***
1619 *** This greatly reduces compile time space requirements and it has a  ***
1620 *** small impact on overall run time performance, but for some tight   ***
1621 *** loops the effect is larger.  If you want to avoid this problem     ***
1622 *** then upgrade your version of GCC to 4.4 (or above hopefully) or    ***
1623 *** downgrade to a version prior to 4.2 .                              ***
1624 **************************************************************************
1625 ])
1626   fi
1627
1628 #  if test "$ENABLE_GCC_OPTS" != yes; then
1629 #    AC_MSG_NOTICE([
1630 #**************************************************************************
1631 #*** The GCC compiler is being used but the option "--enable-gcc-opts"  ***
1632 #*** was not specified to the configure script.  The Gambit-C system    ***
1633 #*** will compile correctly but the code generated by the GCC compiler  ***
1634 #*** will be suboptimal and the executables will run slightly slower    ***
1635 #*** than if "--enable-gcc-opts" is specified.  On the other hand the   ***
1636 #*** build process will be faster and require less memory.  If you have ***
1637 #*** lots of RAM memory (>= 2 Gbytes) and you are willing to wait for   ***
1638 #*** the longer build try the configure option "--enable-gcc-opts".     ***
1639 #**************************************************************************
1640 #])
1641 #  fi
1642
1643 fi