configure.ac

   1 # Configure template for Gambit-C system.
   2
   3 # Copyright (c) 1994-2010 by Marc Feeley, All Rights Reserved.
   4
   5 # Process this file with autoconf to produce a configure script.
   6
   7 AC_INIT(Gambit-C,v4.6.0,gambit@iro.umontreal.ca,gambc-v4_6_0)
   8
   9 AC_CONFIG_HEADERS(include/config.h)
  10
  11 CONFIGURE_COMMAND="$0 $@"
  12 PACKAGE_SHORTNAME="gambc"
  13
  14 AC_SUBST(PACKAGE_SHORTNAME)
  15 AC_SUBST(PACKAGE_NAME)
  16 AC_SUBST(PACKAGE_VERSION)
  17 AC_SUBST(PACKAGE_STRING)
  18 AC_SUBST(PACKAGE_BUGREPORT)
  19 AC_SUBST(PACKAGE_TARNAME)
  20
  21 AC_COPYRIGHT([[Copyright (c) 1994-2010 by Marc Feeley, All Rights Reserved.]])
  22
  23 AC_CONFIG_SRCDIR(include/gambit.h.in)
  24
  25 AC_PREFIX_DEFAULT(/usr/local/$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 GAMBCLIB_DEFS=""
  40
  41 FLAGS_OBJ=""
  42 FLAGS_DYN=""
  43 FLAGS_LIB=""
  44 FLAGS_EXE=""
  45
  46 FLAGS_OBJ_DYN=""
  47 FLAGS_OBJ_DYN_LIB_EXE=""
  48 FLAGS_DYN_LIB=""
  49
  50 DEFS_OBJ=""
  51 DEFS_DYN="-D___DYNAMIC"
  52 DEFS_LIB=""
  53 DEFS_EXE=""
  54
  55 DEFS_OBJ_DYN_LIB_EXE=""
  56
  57 ###############################################################################
  58 #
  59 # Check if the system must be compiled using the C compiler or C++ compiler.
  60
  61 AC_ARG_ENABLE(cplusplus,
  62               AC_HELP_STRING([--enable-cplusplus],
  63                              [compile using C++ compiler (default is NO)]),
  64               ENABLE_CPLUSPLUS=$enableval,
  65               ENABLE_CPLUSPLUS=no)
  66
  67 if test "${CFLAGS+set}" != set; then
  68   CFLAGS=""
  69 fi
  70
  71 if test "${CXXFLAGS+set}" != set; then
  72   CXXFLAGS=""
  73 fi
  74
  75 if test "${LDFLAGS+set}" != set; then
  76   LDFLAGS=""
  77 fi
  78
  79 AC_LANG(C)
  80 AC_PROG_CC
  81 AC_PROG_CPP
  82 C_COMPILER=$CC
  83 C_PREPROC=$CPP
  84
  85 if test "$ENABLE_CPLUSPLUS" = yes; then
  86   AC_LANG(C++)
  87   AC_PROG_CXX
  88   AC_PROG_CXXCPP
  89   C_COMPILER=$CXX
  90   C_PREPROC=$CXXCPP
  91 fi
  92
  93 AC_SUBST(C_COMPILER)
  94 AC_SUBST(C_PREPROC)
  95
  96 AC_SUBST(C_COMPILER_MF)
  97 AC_SUBST(C_PREPROC_MF)
  98
  99 AC_SUBST(C_COMPILER_SH)
 100 AC_SUBST(C_PREPROC_SH)
 101
 102 AC_SUBST(C_COMPILER_BAT)
 103 AC_SUBST(C_PREPROC_BAT)
 104
 105 ###############################################################################
 106 #
 107 # Check if the system must include GUIDE (Gambit Universal IDE).
 108
 109 AC_ARG_ENABLE(guide,
 110               AC_HELP_STRING([--enable-guide],
 111                              [include the Gambit Universal IDE (default is NO)]),
 112               ENABLE_GUIDE=$enableval,
 113               ENABLE_GUIDE=no)
 114
 115 if test "$ENABLE_GUIDE" = yes; then
 116   if test "$ENABLE_CPLUSPLUS" = yes; then
 117
 118     # Determine if Qt is available, if the version is good, etc
 119
 120     ac_qmake='qmake -o conftest.qt /dev/null >&5'
 121
 122     rm -f conftest.qt
 123
 124     if { (eval echo "$as_me:$LINENO: \"$ac_qmake\"") >&5
 125       (eval $ac_qmake) 2>&5
 126       ac_status=$?
 127       echo "$as_me:$LINENO: \$? = $ac_status" >&5
 128       (exit $ac_status); }; then
 129
 130       ac_qt_version_check="grep -q '^# Generated by qmake ([^)]*) (Qt 3\\.3\\..*' conftest.qt"
 131
 132       if { (eval echo "$as_me:$LINENO: \"$ac_qt_version_check\"") >&5
 133         (eval $ac_qt_version_check) 2>&5
 134         ac_status=$?
 135         echo "$as_me:$LINENO: \$? = $ac_status" >&5
 136         (exit $ac_status); }; then
 137
 138         QTINCPATH=`sed -n -e '/^INCPATH[[       ]]*=[[  ]]*\(.*\)/s//\1/p' conftest.qt`
 139         QTLIBS=`sed -n -e '/^LIBS[[     ]]*=[[  ]]*\\\$(SUBLIBS)[[      ]]*\(.*\)/s//\1/p' conftest.qt`
 140
 141       else
 142
 143         qt_version=`sed -n -e '/^# Generated by qmake (\([^)]*\)) (Qt \([0-9]*\.[0-9]*\).*/s//\2/p' conftest.qt`
 144
 145         ENABLE_GUIDE=no
 146         AC_MSG_NOTICE([
 147 ************************************************************************
 148 *** The Gambit Universal IDE requires that the system be built using ***
 149 *** the Qt GUI library version 3.3.  Version $qt_version of Qt is currently  ***
 150 *** installed.                                                       ***
 151 ************************************************************************
 152 ])
 153
 154       fi
 155
 156     else
 157
 158       ENABLE_GUIDE=no
 159       AC_MSG_NOTICE([
 160 ************************************************************************
 161 *** The Gambit Universal IDE requires that the system be built using ***
 162 *** the Qt GUI library.  This library could not be located.  Make    ***
 163 *** sure that the program qmake is in your PATH.                     ***
 164 ************************************************************************
 165 ])
 166
 167     fi
 168
 169   else
 170
 171     ENABLE_GUIDE=no
 172     AC_MSG_NOTICE([
 173 ************************************************************************
 174 *** The Gambit Universal IDE requires that the system be built using ***
 175 *** a C++ compiler.  You must specify both "--enable-cplusplus" and  ***
 176 *** "--enable-guide" to include the Gambit Universal IDE.            ***
 177 ************************************************************************
 178 ])
 179
 180   fi
 181 fi
 182
 183 if test "$ENABLE_GUIDE" = yes; then
 184   AC_DEFINE(___GUIDE)
 185   AC_SUBST(QTINCPATH)
 186   RTLIBSUBSYS="$RTLIBSUBSYS guide"
 187   LIBS="$LIBS $QTLIBS"
 188 fi
 189
 190 AC_SUBST(ENABLE_GUIDE)
 191
 192 ###############################################################################
 193 #
 194 # Check if the system is to be debugged.
 195
 196 AC_ARG_ENABLE(debug,
 197               AC_HELP_STRING([--enable-debug],
 198                              [build system so that it can be debugged (default is NO)]),
 199               ENABLE_DEBUG=$enableval,
 200               ENABLE_DEBUG=no)
 201
 202 if test "$ENABLE_DEBUG" = yes; then
 203   AC_DEFINE(___DEBUG)
 204   DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___DEBUG"
 205 fi
 206
 207 ###############################################################################
 208 #
 209 # Check if the system is to be profiled.
 210
 211 AC_ARG_ENABLE(profile,
 212               AC_HELP_STRING([--enable-profile],
 213                              [build system so that it can be profiled (default is NO)]),
 214               ENABLE_PROFILE=$enableval,
 215               ENABLE_PROFILE=no)
 216
 217 if test "$ENABLE_PROFILE" = yes; then
 218   AC_DEFINE(___PROFILE)
 219   DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___PROFILE"
 220 fi
 221
 222 ###############################################################################
 223 #
 224 # Check if the system is to be compiled to accumulate coverage statistics.
 225
 226 AC_ARG_ENABLE(coverage,
 227               AC_HELP_STRING([--enable-coverage],
 228                              [build system to accumulate coverage statistics (default is NO)]),
 229               ENABLE_COVERAGE=$enableval,
 230               ENABLE_COVERAGE=no)
 231
 232 ###############################################################################
 233 #
 234 # Check if the system is to be compiled with trial run feedback.
 235
 236 AC_ARG_ENABLE(feedback1,
 237               AC_HELP_STRING([--enable-feedback1],
 238                              [build system to accumulate trial run data (default is NO)]),
 239               ENABLE_FEEDBACK1=$enableval,
 240               ENABLE_FEEDBACK1=no)
 241
 242 AC_ARG_ENABLE(feedback2,
 243               AC_HELP_STRING([--enable-feedback2],
 244                              [build system using trial run feedback (default is NO)]),
 245               ENABLE_FEEDBACK2=$enableval,
 246               ENABLE_FEEDBACK2=no)
 247
 248 ###############################################################################
 249 #
 250 # Check if a single C function should be generated for all the Scheme
 251 # functions in a file.  This makes the executable much faster but the
 252 # compilation will be much longer and take much more memory.
 253
 254 AC_ARG_ENABLE(single-host,
 255               AC_HELP_STRING([--enable-single-host],
 256                              [compile each Scheme module as a single C function (default is NO)]),
 257               ENABLE_SINGLE_HOST=$enableval,
 258               ENABLE_SINGLE_HOST=no)
 259
 260 if test "$ENABLE_SINGLE_HOST" = yes; then
 261   AC_DEFINE(___SINGLE_HOST)
 262   DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___SINGLE_HOST"
 263 fi
 264
 265 ###############################################################################
 266 #
 267 # Check if inline code should be generated for jumps.  It is possible
 268 # that on some platforms this will result in a faster but larger
 269 # executable program.
 270
 271 AC_ARG_ENABLE(inline-jumps,
 272               AC_HELP_STRING([--enable-inline-jumps],
 273                              [generate inline code for jumps (default is NO)]),
 274               ENABLE_INLINE_JUMPS=$enableval,
 275               ENABLE_INLINE_JUMPS=no)
 276
 277 if test "$ENABLE_INLINE_JUMPS" = yes; then
 278   AC_DEFINE(___INLINE_JUMPS)
 279   DEFS_OBJ_DYN_LIB_EXE="$DEFS_OBJ_DYN_LIB_EXE -D___INLINE_JUMPS"
 280 fi
 281
 282 ###############################################################################
 283 #
 284 # Check if expensive GCC optimizations should be used.  This makes the
 285 # executable faster but the compilation will be much longer and take
 286 # much more memory.
 287
 288 AC_ARG_ENABLE(gcc-opts,
 289               AC_HELP_STRING([--enable-gcc-opts],
 290                              [use expensive GCC optimizations (default is NO)]),
 291               ENABLE_GCC_OPTS=$enableval,
 292               ENABLE_GCC_OPTS=no)
 293
 294 ###############################################################################
 295 #
 296 # Check the width of Scheme characters.
 297
 298 AC_ARG_ENABLE(char-size,
 299               AC_HELP_STRING([--enable-char-size=N],
 300                              [Scheme character size in bytes (default is 4)]),
 301               CHAR_SIZE=$enableval,
 302               CHAR_SIZE=4)
 303
 304 if test "$CHAR_SIZE" = 1; then
 305   CONF_MAX_CHR="0xff"
 306 else
 307 if test "$CHAR_SIZE" = 2; then
 308   CONF_MAX_CHR="0xffff"
 309 else
 310   CONF_MAX_CHR="0x10ffff"
 311 fi
 312 fi
 313
 314 AC_SUBST(CONF_MAX_CHR)
 315
 316 ###############################################################################
 317 #
 318 # Check the size of the type "void*".  On many systems it is the same
 319 # size as "long".  If this isn't the case then define
 320 # ___VOIDSTAR_WIDTH appropriately.
 321
 322 AC_CHECK_SIZEOF(void*)
 323 AC_CHECK_SIZEOF(long)
 324
 325 if test "$ac_cv_sizeof_voidp" != "$ac_cv_sizeof_long"; then
 326   CONF_VOIDSTAR_WIDTH="($ac_cv_sizeof_voidp * ___CHAR_WIDTH)"
 327 else
 328   CONF_VOIDSTAR_WIDTH="___LONG_WIDTH"
 329 fi
 330
 331 AC_SUBST(CONF_VOIDSTAR_WIDTH)
 332
 333 ###############################################################################
 334 #
 335 # Check if a shared library must be built.
 336
 337 AC_ARG_ENABLE(shared,
 338               AC_HELP_STRING([--enable-shared],
 339                              [build the Scheme runtime system as a shared library (default is NO)]),
 340               ENABLE_SHARED=$enableval,
 341               ENABLE_SHARED=no)
 342
 343 if test "$ENABLE_SHARED" = yes; then
 344   AC_DEFINE(___SHARED)
 345   # don't add to DEFS_OBJ_DYN_LIB_EXE
 346 fi
 347
 348 ###############################################################################
 349 #
 350 # Check if only ANSI C headers and libraries should be used.
 351
 352 AC_ARG_ENABLE(ansi-c,
 353               AC_HELP_STRING([--enable-ansi-c],
 354                              [link only with ANSI C libraries (default is NO)]),
 355               ANSI_C=$enableval,
 356               ANSI_C=no)
 357
 358 ###############################################################################
 359 #
 360 # Check if symbolic links should be used for files not in the
 361 # central installation directory.
 362
 363 AC_ARG_ENABLE(symlinks,
 364               AC_HELP_STRING([--enable-symlinks],
 365                              [use symbolic links for installed files not in the central installation directory (default is YES)]),
 366               ENABLE_SYMLINKS=$enableval,
 367               ENABLE_SYMLINKS=no)
 368
 369 ###############################################################################
 370 #
 371 # Determine the name to use for the Gambit interpreter and compiler.
 372
 373 AC_ARG_ENABLE(interpreter-name,
 374               AC_HELP_STRING([--enable-interpreter-name=INTERP],
 375                              [Name to use for Gambit interpreter (default is gsi)]),
 376               ENABLE_INTERPRETER_NAME=$enableval,
 377               ENABLE_INTERPRETER_NAME="gsi")
 378
 379 AC_ARG_ENABLE(compiler-name,
 380               AC_HELP_STRING([--enable-compiler-name=COMP],
 381                              [Name to use for Gambit compiler (default is gsc)]),
 382               ENABLE_COMPILER_NAME=$enableval,
 383               ENABLE_COMPILER_NAME="gsc")
 384
 385 ###############################################################################
 386 #
 387 # Check if multiple installed versions are supported.
 388
 389 AC_ARG_ENABLE(multiple-versions,
 390               AC_HELP_STRING([--enable-multiple-versions],
 391                              [multiple installed versions are supported (default is NO)]),
 392               ENABLE_MULTIPLE_VERSIONS=$enableval,
 393               ENABLE_MULTIPLE_VERSIONS=no)
 394
 395 ###############################################################################
 396 #
 397 # Check if libraries should contain a version number suffix.
 398
 399 ENABLE_VERSIONNED_LIBS=no
 400
 401 # This option does not currently work.  Some work is needed to make it
 402 # work properly.  Here is the documentation that should go in INSTALL.txt:
 403
 404 #The option --enable-versionned-libs will add a version number suffix
 405 #to the libraries.  For example the Gambit v4.3.2 runtime library which
 406 #is normally libgambc.a will be named libgambc-v4_3_2.a and it must be
 407 #linked to with the C compiler option -lgambc-v4_3_2 .  If you give
 408 #this option a value, as in --enable-versionned-libs=<suffix> then
 409 #<suffix> will be appended to the name of the libraries.
 410
 411 #AC_ARG_ENABLE(versionned-libs,
 412 #              AC_HELP_STRING([--enable-versionned-libs],
 413 #                             [libraries should contain a version number suffix (default is NO)]),
 414 #              ENABLE_VERSIONNED_LIBS=$enableval,
 415 #              ENABLE_VERSIONNED_LIBS=no)
 416
 417 ###############################################################################
 418 #
 419 # Check if shared libraries should be linked to using an absolute path.
 420
 421 AC_ARG_ENABLE(absolute-shared-libs,
 422               AC_HELP_STRING([--enable-absolute-shared-libs],
 423                              [shared libraries should be linked to using an absolute path (default is YES)]),
 424               ENABLE_ABSOLUTE_SHARED_LIBS=$enableval,
 425               ENABLE_ABSOLUTE_SHARED_LIBS=yes)
 426
 427 if test "$ENABLE_SHARED" != yes; then
 428   ENABLE_ABSOLUTE_SHARED_LIBS=no
 429 fi
 430
 431 ###############################################################################
 432 #
 433 # Determine which browser to use for help.
 434
 435 AC_ARG_ENABLE(help-browser,
 436               AC_HELP_STRING([--enable-help-browser=BROWSER],
 437                              [Browser to use for help (default is to search)]),
 438               HELP_BROWSER=$enableval,
 439               HELP_BROWSER="")
 440
 441 ###############################################################################
 442 #
 443 # Check for C compiler.
 444
 445 AC_DEFUN(AC_CHECK_C_COMPILER_DEF,
 446 [AC_CACHE_CHECK(whether $C_COMPILER defines [$1], [$2],
 447 [AC_SUBST($2)
 448 rm -f conftest.$ac_ext
 449 cat >conftest.$ac_ext <<_ACEOF
 450 #line $LINENO "configure"
 451 int
 452 main ()
 453 {
 454 #ifndef $1
 455        choke me
 456 #endif
 457
 458   ;
 459   return 0;
 460 }
 461 _ACEOF
 462 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 463   (eval $ac_link) 2>&5
 464   ac_status=$?
 465   echo "$as_me:$LINENO: \$? = $ac_status" >&5
 466   (exit $ac_status); }; then
 467   $2="yes"
 468 else
 469   $2=""
 470 fi
 471 ])])
 472
 473 AC_DEFUN(AC_CHECK_C_COMPILER_OPT,
 474 [AC_CACHE_CHECK(whether $C_COMPILER accepts [$1], [$2],
 475 [AC_SUBST($2)
 476 rm -f conftest.$ac_ext
 477 cat >conftest.$ac_ext <<_ACEOF
 478 #line $LINENO "configure"
 479 int
 480 main ()
 481 {
 482   return 0;
 483 }
 484 _ACEOF
 485 ac_test_CFLAGS=${CFLAGS+set}
 486 ac_test_CXXFLAGS=${CXXFLAGS+set}
 487 ac_save_CFLAGS=$CFLAGS
 488 ac_save_CXXFLAGS=$CXXFLAGS
 489 CFLAGS="$1$3"
 490 CXXFLAGS="$1$3"
 491 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 492   (eval $ac_link) 2>&5
 493   ac_status=$?
 494   echo "$as_me:$LINENO: \$? = $ac_status" >&5
 495   (exit $ac_status); }; then
 496   $2=" $1"
 497 else
 498   $2=""
 499 fi
 500 if test "$ac_test_CFLAGS" = set; then
 501   CFLAGS=$ac_save_CFLAGS
 502 fi
 503 if test "$ac_test_CXXFLAGS" = set; then
 504   CXXFLAGS=$ac_save_CXXFLAGS
 505 fi
 506 ])])
 507
 508 AC_DEFUN(AC_CHECK_C_COMPILER_CPP_EXPR,
 509 [AC_CACHE_CHECK(how $C_COMPILER's preprocessor evaluates [$1], [$2],
 510 [AC_SUBST($2)
 511 rm -f conftest.$ac_ext
 512 cat >conftest.$ac_ext <<_ACEOF
 513 #line $LINENO "configure"
 514 int
 515 main ()
 516 {
 517 #if $1
 518 #else
 519        choke me
 520 #endif
 521
 522   ;
 523   return 0;
 524 }
 525 _ACEOF
 526 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
 527   (eval $ac_link) 2>&5
 528   ac_status=$?
 529   echo "$as_me:$LINENO: \$? = $ac_status" >&5
 530   (exit $ac_status); }; then
 531   $2="yes"
 532 else
 533   $2=""
 534 fi
 535 ])])
 536
 537 AC_CHECK_C_COMPILER_DEF(__GNUC__,C_COMP_GNUC)
 538 AC_CHECK_C_COMPILER_DEF(_MSC_VER,C_COMP_VISUALC)
 539 #AC_CHECK_C_COMPILER_DEF(__WATCOMC__,C_COMP_WATCOMC)
 540 #AC_CHECK_C_COMPILER_DEF(__BORLANDC__,C_COMP_BORLANDC)
 541
 542 ###############################################################################
 543 #
 544 # Check for header files.
 545
 546 AC_CHECK_HEADERS(errno.h)
 547 AC_CHECK_HEADERS(float.h)
 548 AC_CHECK_HEADERS(signal.h)
 549 AC_CHECK_HEADERS(stdio.h)
 550 AC_CHECK_HEADERS(stdlib.h)
 551 AC_CHECK_HEADERS(string.h)
 552 AC_CHECK_HEADERS(time.h)
 553
 554 if test "$ANSI_C" = yes; then
 555
 556   # Check if linking to the math library needs some special linker flags.
 557
 558   AC_SEARCH_LIBS(asin,m)
 559
 560   # The following functions should be provided by an ANSI-C conforming
 561   # compiler, but it is safest to double check.  If they are not
 562   # available, the system will still compile but some functionality
 563   # will be missing from the Gambit runtime system.
 564
 565   AC_CHECK_FUNCS(getenv)
 566   AC_CHECK_FUNCS(time)
 567   AC_CHECK_FUNCS(clock)
 568
 569 else
 570
 571   AC_CHECK_HEADERS(unistd.h)
 572   AC_CHECK_HEADERS(pwd.h)
 573   AC_CHECK_HEADERS(dirent.h)
 574   AC_CHECK_HEADERS(dlfcn.h)
 575   AC_CHECK_HEADERS(dl.h)
 576   AC_CHECK_HEADERS(sys/dxe.h)
 577   AC_CHECK_HEADERS(mach-o/dyld.h)
 578   AC_CHECK_HEADERS(sys/types.h)
 579   AC_CHECK_HEADERS(sys/time.h)
 580   AC_CHECK_HEADERS(sys/times.h)
 581   AC_CHECK_HEADERS(sys/timeb.h)
 582   AC_CHECK_HEADERS(sys/timers.h)
 583   AC_CHECK_HEADERS(sys/resource.h)
 584   AC_CHECK_HEADERS(sys/stat.h)
 585   AC_CHECK_HEADERS(sys/wait.h)
 586   AC_CHECK_HEADERS(stat.h)
 587   AC_CHECK_HEADERS(netdb.h)
 588   AC_CHECK_HEADERS(grp.h)
 589   #AC_CHECK_HEADERS(windows.h)
 590   #AC_CHECK_HEADERS(io.h)
 591   #AC_CHECK_HEADERS(tchar.h)
 592   AC_CHECK_HEADERS(fpu_control.h)
 593   AC_CHECK_HEADERS(os2.h)
 594   AC_CHECK_HEADERS(dos.h)
 595   AC_CHECK_HEADERS(direct.h)
 596   #AC_CHECK_HEADERS(Retrace.h)
 597   #AC_CHECK_HEADERS(Files.h)
 598   #AC_CHECK_HEADERS(Finder.h)
 599   #AC_CHECK_HEADERS(Errors.h)
 600   #AC_CHECK_HEADERS(Folders.h)
 601   #AC_CHECK_HEADERS(OSUtils.h)
 602   #AC_CHECK_HEADERS(Power.h)
 603   #AC_CHECK_HEADERS(CodeFragments.h)
 604   #AC_CHECK_HEADERS(SIOUX.h)
 605   #AC_CHECK_HEADERS(mac_gui.h)
 606   #AC_CHECK_HEADERS(unix.h)
 607   AC_CHECK_HEADERS(wdefwin.h)
 608   AC_CHECK_HEADERS(tfork.h)
 609   AC_CHECK_HEADERS(curses.h)
 610   AC_CHECK_HEADERS(ncurses.h)
 611   AC_CHECK_HEADERS(netinet/in.h)
 612   AC_CHECK_HEADERS(arpa/inet.h)
 613   AC_CHECK_HEADERS(termios.h)
 614   #AC_CHECK_HEADERS(term.h)
 615   AC_CHECK_HEADERS(pty.h)
 616   AC_CHECK_HEADERS(stropts.h)
 617   AC_CHECK_HEADERS(libutil.h)
 618   AC_CHECK_HEADERS(util.h)
 619   AC_CHECK_HEADERS(sys/fpu.h)
 620   AC_CHECK_HEADERS(fenv.h)
 621   AC_CHECK_HEADERS(fcntl.h)
 622   AC_CHECK_HEADERS(sys/ioctl.h)
 623   AC_CHECK_HEADERS(sys/socket.h)
 624   AC_CHECK_HEADERS(strings.h)
 625   AC_CHECK_HEADERS(memory.h)
 626   AC_CHECK_HEADERS(sys/sysctl.h)
 627   AC_CHECK_HEADERS(crt_externs.h)
 628
 629   if test "$C_COMP_VISUALC" != yes; then
 630
 631     AC_DEFUN([AC_TYPE_SOCKLEN_T],
 632     [AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
 633     [
 634       AC_TRY_COMPILE(
 635       [#include <sys/types.h>
 636        #include <sys/socket.h>],
 637       [socklen_t len = 42; return 0;],
 638       ac_cv_type_socklen_t=yes,
 639       ac_cv_type_socklen_t=no)
 640     ])
 641       if test $ac_cv_type_socklen_t != yes; then
 642         AC_DEFINE(socklen_t, int)
 643       fi
 644     ])
 645
 646     AC_TYPE_SOCKLEN_T
 647
 648   fi
 649
 650   #AC_TYPE_MODE_T
 651   #AC_TYPE_OFF_T
 652   #AC_TYPE_PID_T
 653   #AC_TYPE_SIGNAL
 654   #AC_TYPE_SIZE_T
 655   #AC_TYPE_UID_T
 656
 657   #AC_HEADER_DIRENT
 658   #AC_HEADER_STAT
 659   #AC_HEADER_STDC
 660   #AC_HEADER_SYS_WAIT
 661   #AC_HEADER_TIME
 662   #AC_HEADER_TIOCGWINSZ
 663   #AC_FUNC_SELECT_ARGTYPES
 664
 665   #AC_FUNC_CLOSEDIR_VOID
 666   #AC_FUNC_FSEEKO
 667   #AC_FUNC_STAT
 668   #AC_FUNC_LSTAT
 669
 670   if test "$C_COMP_VISUALC" = yes; then
 671
 672     LIBS="$LIBS Kernel32.Lib User32.Lib Gdi32.Lib WS2_32.Lib"
 673     FLAGS_OBJ="$FLAGS_OBJ -D_WINDOWS"
 674
 675   else
 676
 677     case "$target_os" in
 678
 679        mingw*) # add Windows libraries needed by MinGW
 680                LIBS="$LIBS -lws2_32"
 681                FLAGS_OBJ="$FLAGS_OBJ -D_WINDOWS"
 682                ;;
 683
 684             *) # check libraries for other systems
 685                AC_SEARCH_LIBS(asin,m)
 686
 687                AC_SEARCH_LIBS(dlopen,dl)
 688                AC_SEARCH_LIBS(shl_load,dld)
 689
 690                #AC_SEARCH_LIBS(tgetstr,ncurses curses)
 691                #AC_SEARCH_LIBS(tigetstr,ncurses curses)
 692
 693                AC_SEARCH_LIBS(socket,socket)
 694
 695                AC_SEARCH_LIBS(gethostbyname,nsl resolv xnet)
 696
 697                AC_SEARCH_LIBS(hstrerror,resolv)
 698
 699                AC_SEARCH_LIBS(openpty,util)
 700
 701                AC_SEARCH_LIBS(WSAStartup,ws2_32)
 702                ;;
 703     esac
 704
 705   fi
 706
 707   AC_CHECK_FUNCS(pipe)
 708   AC_CHECK_FUNCS(socketpair)
 709   AC_CHECK_FUNCS(chdir)
 710   AC_CHECK_FUNCS(execvp)
 711   AC_CHECK_FUNCS(getgrnam)
 712   AC_CHECK_FUNCS(getpid)
 713   AC_CHECK_FUNCS(getppid)
 714   AC_CHECK_FUNCS(getpwnam)
 715   AC_CHECK_FUNCS(ioctl)
 716   AC_CHECK_FUNCS(link)
 717   AC_CHECK_FUNCS(mkdir)
 718   AC_CHECK_FUNCS(mkfifo)
 719   AC_CHECK_FUNCS(opendir)
 720   AC_CHECK_FUNCS(rename)
 721   AC_CHECK_FUNCS(rmdir)
 722   AC_CHECK_FUNCS(socket)
 723   AC_CHECK_FUNCS(stat)
 724   AC_CHECK_FUNCS(stat64)
 725   AC_CHECK_FUNCS(strerror)
 726   AC_CHECK_FUNCS(symlink)
 727   AC_CHECK_FUNCS(sysconf)
 728   AC_CHECK_FUNCS(sysctl)
 729   AC_CHECK_FUNCS(unlink)
 730   AC_CHECK_FUNCS(waitpid)
 731
 732   # The following checks for library functions have been written
 733   # specially to catch the case where they are declared as inline
 734   # functions.  This was done when porting to the Android platform,
 735   # but it may be useful for other platforms as well.
 736
 737   # used to be: AC_CHECK_FUNCS(tcgetattr)
 738
 739   AC_DEFUN([AC_CHECK_FUNC_TCGETATTR],
 740   [AC_CACHE_CHECK([for tcgetattr], ac_cv_func_tcgetattr,
 741   [
 742     AC_TRY_COMPILE([
 743       #ifdef HAVE_TERMIOS_H
 744       #include <termios.h>
 745       #endif
 746       ],[int fd = 1; struct termios tios; tcgetattr (fd, &tios);],
 747     ac_cv_func_tcgetattr=yes,
 748     ac_cv_func_tcgetattr=no)
 749   ])
 750     if test $ac_cv_func_tcgetattr = yes; then
 751       AC_DEFINE(HAVE_TCGETATTR)
 752     fi
 753   ])
 754
 755   AC_CHECK_FUNC_TCGETATTR
 756
 757   # used to be: AC_CHECK_FUNCS(sigaction)
 758
 759   AC_DEFUN([AC_CHECK_FUNC_SIGACTION],
 760   [AC_CACHE_CHECK([for sigaction], ac_cv_func_sigaction,
 761   [
 762     AC_TRY_COMPILE([
 763       #ifdef HAVE_SIGNAL_H
 764       #include <signal.h>
 765       #endif
 766       ],[struct sigaction sa1, sa2; sigaction (1, &sa1, &sa2);],
 767     ac_cv_func_sigaction=yes,
 768     ac_cv_func_sigaction=no)
 769   ])
 770     if test $ac_cv_func_sigaction = yes; then
 771       AC_DEFINE(HAVE_SIGACTION)
 772     fi
 773   ])
 774
 775   AC_CHECK_FUNC_SIGACTION
 776
 777   # used to be: AC_CHECK_FUNCS(sigemptyset)
 778   #             AC_CHECK_FUNCS(sigaddset)
 779
 780   AC_DEFUN([AC_CHECK_FUNC_SIGSET],
 781   [AC_CACHE_CHECK([for sigemptyset/sigaddset], ac_cv_func_sigset,
 782   [
 783     AC_TRY_COMPILE([
 784       #ifdef HAVE_SIGNAL_H
 785       #include <signal.h>
 786       #endif
 787       ],[sigset_t ss; sigemptyset (&ss); sigaddset (&ss, 1);],
 788     ac_cv_func_sigset=yes,
 789     ac_cv_func_sigset=no)
 790   ])
 791     if test $ac_cv_func_sigset = yes; then
 792       AC_DEFINE(HAVE_SIGEMPTYSET)
 793       AC_DEFINE(HAVE_SIGADDSET)
 794     fi
 795   ])
 796
 797   AC_CHECK_FUNC_SIGSET
 798
 799   # used to be: AC_CHECK_FUNCS(sigprocmask)
 800
 801   AC_DEFUN([AC_CHECK_FUNC_SIGPROCMASK],
 802   [AC_CACHE_CHECK([for sigprocmask], ac_cv_func_sigprocmask,
 803   [
 804     AC_TRY_COMPILE([
 805       #ifdef HAVE_SIGNAL_H
 806       #include <signal.h>
 807       #endif
 808       ],[sigset_t ss1, ss2; sigemptyset (&ss1); sigaddset (&ss1, 1); sigprocmask (SIG_BLOCK, &ss1, &ss2);],
 809     ac_cv_func_sigprocmask=yes,
 810     ac_cv_func_sigprocmask=no)
 811   ])
 812     if test $ac_cv_func_sigprocmask = yes; then
 813       AC_DEFINE(HAVE_SIGPROCMASK)
 814     fi
 815   ])
 816
 817   AC_CHECK_FUNC_SIGPROCMASK
 818
 819   # used to be: AC_CHECK_FUNCS(signal)
 820
 821   AC_DEFUN([AC_CHECK_FUNC_SIGNAL],
 822   [AC_CACHE_CHECK([for signal], ac_cv_func_signal,
 823   [
 824     AC_TRY_COMPILE([
 825       #ifdef HAVE_SIGNAL_H
 826       #include <signal.h>
 827       #endif
 828       ],[signal (1, SIG_DFL);],
 829     ac_cv_func_signal=yes,
 830     ac_cv_func_signal=no)
 831   ])
 832     if test $ac_cv_func_signal = yes; then
 833       AC_DEFINE(HAVE_SIGNAL)
 834     fi
 835   ])
 836
 837   AC_CHECK_FUNC_SIGNAL
 838
 839   AC_DEFUN([AC_CHECK_ENVIRON],
 840   [AC_CACHE_CHECK([for environ], ac_cv_environ,
 841   [
 842     AC_TRY_COMPILE([
 843       #ifdef __cplusplus
 844       extern "C" {
 845       #endif
 846       extern char **environ;
 847       #ifdef __cplusplus
 848       }
 849       #endif
 850       ],[char *arg0 = *environ;],
 851     ac_cv_environ=yes,
 852     ac_cv_environ=no)
 853   ])
 854     if test $ac_cv_environ = yes; then
 855       AC_DEFINE(HAVE_ENVIRON)
 856     fi
 857   ])
 858
 859   AC_CHECK_ENVIRON
 860
 861   AC_DEFUN([AC_CHECK__NSGETENVIRON],
 862   [AC_CACHE_CHECK([for _NSGetEnviron], ac_cv__NSGetEnviron,
 863   [
 864     AC_TRY_COMPILE([
 865       #ifdef HAVE_CRT_EXTERNS_H
 866       #include <crt_externs.h>
 867       #endif
 868       ],[char *arg0 = *(*_NSGetEnviron());],
 869     ac_cv__NSGetEnviron=yes,
 870     ac_cv__NSGetEnviron=no)
 871   ])
 872     if test $ac_cv__NSGetEnviron = yes; then
 873       AC_DEFINE(HAVE__NSGETENVIRON)
 874     fi
 875   ])
 876
 877   AC_CHECK__NSGETENVIRON
 878
 879   AC_CHECK_FUNCS(clock_gettime)
 880   AC_CHECK_FUNCS(getclock)
 881   #AC_CHECK_FUNCS(GetSystemTime)
 882   AC_CHECK_FUNCS(gettimeofday)
 883   AC_CHECK_FUNCS(ftime)
 884   AC_CHECK_FUNCS(time)
 885
 886   AC_CHECK_FUNCS(nanosleep)
 887   #AC_CHECK_FUNCS(Sleep)
 888   AC_CHECK_FUNCS(sleep)
 889
 890   #AC_CHECK_FUNCS(GetProcessTimes)
 891   AC_CHECK_FUNCS(getrusage)
 892   AC_CHECK_FUNCS(times)
 893   AC_CHECK_FUNCS(clock)
 894   AC_CHECK_FUNCS(DosQuerySysInfo)
 895
 896   AC_CHECK_FUNCS(setitimer)
 897   AC_CHECK_FUNCS(dos_setvect)
 898   AC_CHECK_FUNCS(DosStartTimer)
 899   AC_CHECK_FUNCS(VInstall)
 900   #AC_CHECK_FUNCS(CreateThread)
 901
 902   AC_CHECK_FUNCS(shl_load)
 903   #AC_CHECK_FUNCS(LoadLibrary)
 904   AC_CHECK_FUNCS(DosLoadModule)
 905   AC_CHECK_FUNCS(dxe_load)
 906   AC_CHECK_FUNCS(GetDiskFragment)
 907   AC_CHECK_FUNCS(dlopen)
 908   AC_CHECK_FUNCS(NSLinkModule) # has been deprecated by Apple
 909
 910   AC_CHECK_FUNCS(gethostname)
 911   AC_CHECK_FUNCS(inet_pton)
 912   AC_CHECK_FUNCS(getaddrinfo)
 913   AC_CHECK_FUNCS(gethostbyname)
 914   AC_CHECK_FUNCS(gethostbyaddr)
 915   AC_CHECK_FUNCS(getservbyname)
 916   AC_CHECK_FUNCS(getservbyport)
 917   AC_CHECK_FUNCS(getprotobyname)
 918   AC_CHECK_FUNCS(getprotobynumber)
 919   AC_CHECK_FUNCS(getnetbyname)
 920
 921   AC_CHECK_FUNCS(select)
 922   #AC_CHECK_FUNCS(MsgWaitForMultipleObjects)
 923
 924   #AC_CHECK_FUNCS(tgetstr)
 925   #AC_CHECK_FUNCS(tigetstr)
 926
 927   AC_CHECK_FUNCS(openpty)
 928   AC_CHECK_FUNCS(getpt)
 929   AC_CHECK_FUNCS(ptsname)
 930   AC_CHECK_FUNCS(ctermid)
 931   AC_CHECK_FUNCS(isastream)
 932
 933   AC_CHECK_FUNCS(hstrerror)
 934
 935   AC_CHECK_FUNCS(get_fpc_csr)
 936
 937 fi
 938
 939 AC_CHECK_TYPE([struct stat64],
 940               [AC_DEFINE(HAVE_STRUCT_STAT64, 1, [])],
 941               [],
 942               [#include <sys/stat.h>])
 943
 944 ###############################################################################
 945 #
 946 # Check which command line options are supported by $C_COMPILER.
 947
 948 if test "$C_COMP_GNUC" = yes; then
 949
 950   ########## Using gcc...
 951
 952   # Determine which gcc version is being used.
 953
 954   AC_CHECK_C_COMPILER_CPP_EXPR((__GNUC__*100+__GNUC_MINOR__)>=402&&(__GNUC__*100+__GNUC_MINOR__)<=403,GCC_42_OR_43)
 955
 956   # preprocessor options:
 957   AC_CHECK_C_COMPILER_OPT(-no-cpp-precomp,DASH_no_cpp_precomp)
 958
 959   # debugging options:
 960   AC_CHECK_C_COMPILER_OPT(-Wall,DASH_Wall)
 961   AC_CHECK_C_COMPILER_OPT(-W,DASH_W)
 962   AC_CHECK_C_COMPILER_OPT(-Wno-unused,DASH_Wno_unused)
 963   AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
 964
 965   # profiling options:
 966   AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
 967   AC_CHECK_C_COMPILER_OPT(-pg,DASH_pg)
 968   AC_CHECK_C_COMPILER_OPT(-ftest-coverage,DASH_ftest_coverage)
 969   AC_CHECK_C_COMPILER_OPT(-fprofile-arcs,DASH_fprofile_arcs)
 970   AC_CHECK_C_COMPILER_OPT(-fbranch-probabilities,DASH_fbranch_probabilities)
 971
 972   # optimization options:
 973   AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
 974   AC_CHECK_C_COMPILER_OPT(-fno-math-errno,DASH_fno_math_errno)
 975   AC_CHECK_C_COMPILER_OPT(-fschedule-insns2,DASH_fschedule_insns2)
 976   AC_CHECK_C_COMPILER_OPT(-fno-trapping-math,DASH_fno_trapping_math)
 977   AC_CHECK_C_COMPILER_OPT(-fno-strict-aliasing,DASH_fno_strict_aliasing)
 978   AC_CHECK_C_COMPILER_OPT(-fwrapv,DASH_fwrapv)
 979   AC_CHECK_C_COMPILER_OPT(-fomit-frame-pointer,DASH_fomit_frame_pointer)
 980   AC_CHECK_C_COMPILER_OPT(-fno-move-loop-invariants,DASH_fno_move_loop_invariants)
 981
 982 # It isn't clear these are useful:
 983 #  AC_CHECK_C_COMPILER_OPT(-fexpensive-optimizations,DASH_fexpensive_optimizations)
 984 #  AC_CHECK_C_COMPILER_OPT(-fforce-addr,DASH_fforce_addr)
 985 #  AC_CHECK_C_COMPILER_OPT(-fpeephole2,DASH_fpeephole2)
 986 #  AC_CHECK_C_COMPILER_OPT(-falign-jumps,DASH_falign_jumps)
 987 #  AC_CHECK_C_COMPILER_OPT(-falign-functions,DASH_falign_functions)
 988 #  AC_CHECK_C_COMPILER_OPT(-fno-function-cse,DASH_fno_function_cse)
 989 #  AC_CHECK_C_COMPILER_OPT(-ftree-copyrename,DASH_ftree_copyrename)
 990 #  AC_CHECK_C_COMPILER_OPT(-ftree-fre,DASH_ftree_fre)
 991 #  AC_CHECK_C_COMPILER_OPT(-ftree-dce,DASH_ftree_dce)
 992 #  AC_CHECK_C_COMPILER_OPT(-fschedule-interblock,DASH_fschedule_interblock)
 993 #  AC_CHECK_C_COMPILER_OPT(-fregmove,DASH_fregmove)
 994 #  AC_CHECK_C_COMPILER_OPT(-fgcse-las,DASH_fgcse_las)
 995 #  AC_CHECK_C_COMPILER_OPT(-freorder-functions,DASH_freorder_functions)
 996 #  AC_CHECK_C_COMPILER_OPT(-fcaller-saves,DASH_fcaller_saves)
 997 #  AC_CHECK_C_COMPILER_OPT(-fno-if-conversion2,DASH_fno_if_conversion2)
 998 #  AC_CHECK_C_COMPILER_OPT(-foptimize-sibling-calls,DASH_foptimize_sibling_calls)
 999 #  AC_CHECK_C_COMPILER_OPT(-fcse-skip-blocks,DASH_fcse_skip_blocks)
1000 #  AC_CHECK_C_COMPILER_OPT(-funit-at-a-time,DASH_funit_at_a_time)
1001 #  AC_CHECK_C_COMPILER_OPT(-finline-functions,DASH_finline_functions)
1002
1003   if test "$ENABLE_GCC_OPTS" = yes; then
1004     AC_CHECK_C_COMPILER_OPT(-fmodulo-sched,DASH_fmodulo_sched)
1005     AC_CHECK_C_COMPILER_OPT(-freschedule-modulo-scheduled-loops,DASH_freschedule_modulo_scheduled_loops)
1006
1007   fi
1008
1009   # code generation options:
1010   case "$target_os" in
1011
1012      mingw*) # no special code generation options needed by MinGW
1013              ;;
1014
1015     cygwin*) # no special code generation options needed by cygwin
1016              ;;
1017
1018           *) # check for code generation options for other systems
1019              AC_CHECK_C_COMPILER_OPT(-fPIC,DASH_fPIC)
1020              AC_CHECK_C_COMPILER_OPT(-fpic,DASH_fpic)
1021              ;;
1022   esac
1023   AC_CHECK_C_COMPILER_OPT(-fno-common,DASH_fno_common)
1024
1025   # machine specific options:
1026   AC_CHECK_C_COMPILER_OPT(-mieee,DASH_mieee)
1027   AC_CHECK_C_COMPILER_OPT(-mieee-with-inexact,DASH_mieee_with_inexact)
1028   AC_CHECK_C_COMPILER_OPT(-mieee-fp,DASH_mieee_fp)
1029
1030   # linking options:
1031   case "$target_os" in
1032
1033      mingw*) # no special options needed by MinGW
1034              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
1035              ;;
1036
1037     cygwin*) # no special options needed by cygwin
1038              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
1039              ;;
1040
1041    solaris*) # check for options needed by Solaris
1042              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
1043              ;;
1044
1045       hpux*) # check for options needed by HP-UX
1046              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
1047              ;;
1048
1049     darwin*) # check for special options added by Apple
1050              AC_CHECK_C_COMPILER_OPT(-dynamiclib,DASH_dynamiclib)
1051              AC_CHECK_C_COMPILER_OPT(-bundle,DASH_bundle)
1052              AC_CHECK_C_COMPILER_OPT(-flat_namespace -undefined suppress,DASH_flat_namespace_undefined_suppress)
1053              ;;
1054
1055           *) # for other systems
1056              AC_CHECK_C_COMPILER_OPT(-rdynamic,DASH_rdynamic)
1057              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared,$DASH_fPIC$DASH_fpic)
1058              ;;
1059   esac
1060
1061   # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1062
1063   case "$target_os" in
1064     darwin*) # avoid the default C preprocessor which is setup for Objective-C
1065              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_no_cpp_precomp"
1066              ;;
1067   esac
1068
1069   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_Wno_unused"
1070
1071   if test "$ENABLE_DEBUG" = yes; then
1072     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1073   fi
1074
1075   if test "$ENABLE_PROFILE" = yes; then
1076     if test "x$DASH_pg" != x; then
1077       FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_pg"
1078     else
1079       FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1080     fi
1081   fi
1082
1083   if test "$ENABLE_DEBUG" != yes; then
1084     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1$DASH_fno_math_errno$DASH_fschedule_insns2"
1085   fi
1086
1087   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fno_trapping_math$DASH_fno_strict_aliasing$DASH_fwrapv"
1088
1089 # It isn't clear these are useful:
1090 #  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$DASH_finline_functions"
1091
1092   if test "$ENABLE_GCC_OPTS" = yes; then
1093     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fmodulo_sched$DASH_freschedule_modulo_scheduled_loops"
1094   fi
1095
1096   case "$target_os" in
1097
1098      mingw*) # MinGW's setjmp seems to need the frame pointer
1099              ;;
1100
1101           *) # other systems are fine as far as I can tell
1102              if test "$ENABLE_DEBUG" != yes -a "$ENABLE_PROFILE" != yes; then
1103                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fomit_frame_pointer"
1104              fi
1105              ;;
1106   esac
1107
1108   ENABLE_GCC_MOVE_LOOP_INVARIANTS=yes
1109   if test "$ENABLE_SINGLE_HOST" = yes; then
1110     if test "$GCC_42_OR_43" = yes; then
1111       ENABLE_GCC_MOVE_LOOP_INVARIANTS=no
1112     fi
1113   fi
1114
1115   if test "$ENABLE_GCC_MOVE_LOOP_INVARIANTS" != yes; then
1116     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fno_move_loop_invariants"
1117   fi
1118
1119   if test "$ENABLE_FEEDBACK1" = yes -o "$ENABLE_COVERAGE" = yes; then
1120     AC_DEFINE(___DONT_UNLOAD_DYN_CODE)
1121     FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_fprofile_arcs"
1122     if test "$ENABLE_COVERAGE" = yes; then
1123       FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_ftest_coverage"
1124     fi
1125   fi
1126
1127   if test "$ENABLE_FEEDBACK2" = yes; then
1128     AC_DEFINE(___DONT_UNLOAD_DYN_CODE)
1129     FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_fbranch_probabilities"
1130   fi
1131
1132   if test "x$DASH_fPIC" != x; then
1133     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fPIC"
1134   else
1135     FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fpic"
1136   fi
1137
1138   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fno_common"
1139
1140   FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_mieee$DASH_mieee_with_inexact$DASH_mieee_fp"
1141
1142   case "$target_os" in
1143
1144     darwin*) # check for special options added by Apple
1145              FLAGS_DYN="$FLAGS_DYN$DASH_bundle"
1146              FLAGS_LIB="$FLAGS_LIB$DASH_dynamiclib -install_name \$(libdir)/\$(LIBRARY)"
1147              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_flat_namespace_undefined_suppress"
1148              ;;
1149
1150           *) # for other systems
1151              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_rdynamic$DASH_shared"
1152              FLAGS_EXE="$FLAGS_EXE$DASH_rdynamic"
1153              ;;
1154   esac
1155
1156 else if test "$C_COMP_VISUALC" = yes; then
1157
1158   ########## Microsoft Visual C++ compiler
1159
1160   FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE -nologo -Oityb1 -MT -D_CRT_SECURE_NO_DEPRECATE"
1161   FLAGS_DYN="$FLAGS_DYN -LD"
1162
1163 #else if test "$C_COMP_WATCOMC" = yes; then
1164 #else if test "$C_COMP_BORLANDC" = yes; then
1165
1166 else
1167
1168   ########## Need to guess the C compiler from the OS...
1169
1170   case "$target_os" in
1171
1172    solaris*) ########## Probably using the Sun Workshop C/C++ compiler...
1173
1174              # debugging options:
1175              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1176
1177              # profiling options:
1178              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1179
1180              # optimization options:
1181              AC_CHECK_C_COMPILER_OPT(-xO2,DASH_xO2)
1182
1183              # code generation options:
1184              AC_CHECK_C_COMPILER_OPT(-KPIC,DASH_KPIC)
1185
1186              # linking options:
1187              AC_CHECK_C_COMPILER_OPT(-G,DASH_G)
1188
1189              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1190
1191              if test "$ENABLE_DEBUG" = yes; then
1192                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1193              fi
1194
1195              if test "$ENABLE_PROFILE" = yes; then
1196                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1197              fi
1198
1199              if test "$ENABLE_DEBUG" != yes; then
1200                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_xO2"
1201              fi
1202
1203              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_KPIC"
1204
1205              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_G"
1206              ;;
1207
1208        osf*) ########## Probably using the Compaq Tru64 UNIX C/C++ compiler...
1209
1210              # debugging options:
1211              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1212
1213              # profiling options:
1214              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1215
1216              # optimization options:
1217              AC_CHECK_C_COMPILER_OPT(-O2,DASH_O2)
1218
1219              # code generation options:
1220              AC_CHECK_C_COMPILER_OPT(-ieee,DASH_ieee)
1221              AC_CHECK_C_COMPILER_OPT(-call_shared,DASH_call_shared)
1222              #AC_CHECK_C_COMPILER_OPT(-taso,DASH_taso)
1223
1224              # linking options:
1225              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared)
1226              AC_CHECK_C_COMPILER_OPT(-expect_unresolved,DASH_expect_unresolved)
1227
1228              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1229
1230              if test "$ENABLE_DEBUG" = yes; then
1231                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1232              fi
1233
1234              if test "$ENABLE_PROFILE" = yes; then
1235                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1236              fi
1237
1238              if test "$ENABLE_DEBUG" != yes; then
1239                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O2"
1240              fi
1241
1242              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_ieee$DASH_call_shared"
1243
1244              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_shared$DASH_expect_unresolved"
1245              ;;
1246
1247       irix*) ########## Probably using the MIPSpro C/C++ compiler...
1248
1249              # debugging options:
1250              AC_CHECK_C_COMPILER_OPT(-fullwarn,DASH_fullwarn)
1251              AC_CHECK_C_COMPILER_OPT([-woff 1110,1174,1209,1552,3201],DASH_woff_1110_1174_1209_1552_3201)
1252              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1253
1254              # optimization options:
1255              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1256              AC_CHECK_C_COMPILER_OPT(-OPT:Olimit=0,DASH_OPT_Olimit_0)
1257
1258              # code generation options:
1259              #AC_CHECK_C_COMPILER_OPT(-KPIC,DASH_KPIC)
1260              #AC_CHECK_C_COMPILER_OPT(-non_shared,DASH_non_shared)
1261              AC_CHECK_C_COMPILER_OPT(-TENV:large_GOT,DASH_TENV_large_GOT)
1262              AC_CHECK_C_COMPILER_OPT(-OPT:IEEE_comparisons=ON,DASH_OPT_IEEE_comparisons_ON)
1263              AC_CHECK_C_COMPILER_OPT(-OPT:IEEE_NaN_inf=ON,DASH_OPT_IEEE_NaN_inf_ON)
1264
1265              # linking options:
1266              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared)
1267
1268              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1269
1270              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_fullwarn$DASH_woff_1110_1174_1209_1552_3201"
1271
1272              if test "$ENABLE_DEBUG" = yes; then
1273                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1274              fi
1275
1276              if test "$ENABLE_DEBUG" != yes; then
1277                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1$DASH_OPT_Olimit_0"
1278              fi
1279
1280              FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_TENV_large_GOT$DASH_OPT_IEEE_comparisons_ON$DASH_OPT_IEEE_NaN_inf_ON"
1281
1282              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_shared"
1283              ;;
1284
1285       hpux*) ########## Probably using the HP-UX compiler...
1286
1287              # debugging options:
1288              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1289
1290              # profiling options:
1291              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1292
1293              # optimization options:
1294              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1295
1296              # linking options:
1297              AC_CHECK_C_COMPILER_OPT(-b,DASH_b)
1298
1299              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1300
1301              if test "$ENABLE_DEBUG" = yes; then
1302                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1303              fi
1304
1305              if test "$ENABLE_PROFILE" = yes; then
1306                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1307              fi
1308
1309              if test "$ENABLE_DEBUG" != yes; then
1310                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1"
1311              fi
1312
1313              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_b"
1314              ;;
1315
1316        aix*) ########## Probably using the AIX xlC compiler...
1317
1318              # debugging options:
1319              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1320
1321              # profiling options:
1322              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1323
1324              # optimization options:
1325              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1326
1327              # linking options:
1328              AC_CHECK_C_COMPILER_OPT(-G,DASH_G)
1329
1330              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1331
1332              if test "$ENABLE_DEBUG" = yes; then
1333                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1334              fi
1335
1336              if test "$ENABLE_PROFILE" = yes; then
1337                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1338              fi
1339
1340              if test "$ENABLE_DEBUG" != yes; then
1341                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1"
1342              fi
1343
1344              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_G"
1345              ;;
1346
1347           *) ########## Unsupported operating system
1348
1349              AC_MSG_NOTICE([
1350 *********************************************************************
1351 *** The GCC compiler is not being used and the operating system   ***
1352 *** is not one that has been tested with the Gambit-C system.     ***
1353 *** The configure script will use certain compiler options that   ***
1354 *** may not be correct or sufficient for compiling the system.    ***
1355 *** Please report success or failure to gambit@iro.umontreal.ca.  ***
1356 *** This will help us support this operating system in the        ***
1357 *** future.                                                       ***
1358 *********************************************************************
1359 ])
1360
1361              # debugging options:
1362              AC_CHECK_C_COMPILER_OPT(-g,DASH_g)
1363
1364              # profiling options:
1365              AC_CHECK_C_COMPILER_OPT(-p,DASH_p)
1366
1367              # optimization options:
1368              AC_CHECK_C_COMPILER_OPT(-O1,DASH_O1)
1369
1370              # linking options:
1371              AC_CHECK_C_COMPILER_OPT(-shared,DASH_shared)
1372
1373              # determine which flags to add to CFLAGS, CXXFLAGS and LDFLAGS
1374
1375              if test "$ENABLE_DEBUG" = yes; then
1376                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_g"
1377              fi
1378
1379              if test "$ENABLE_PROFILE" = yes; then
1380                FLAGS_OBJ_DYN_LIB_EXE="$FLAGS_OBJ_DYN_LIB_EXE$DASH_p"
1381              fi
1382
1383              if test "$ENABLE_DEBUG" != yes; then
1384                FLAGS_OBJ_DYN="$FLAGS_OBJ_DYN$DASH_O1"
1385              fi
1386
1387              FLAGS_DYN_LIB="$FLAGS_DYN_LIB$DASH_shared"
1388              ;;
1389   esac
1390
1391 fi
1392 fi
1393
1394 if test "$ENABLE_CPLUSPLUS" = yes; then
1395   CORCXXFLAGS="$CXXFLAGS"
1396 else
1397   CORCXXFLAGS="$CFLAGS"
1398 fi
1399
1400 FLAGS_OBJ="$CORCXXFLAGS $FLAGS_OBJ $FLAGS_OBJ_DYN $FLAGS_OBJ_DYN_LIB_EXE"
1401 FLAGS_DYN="$LDFLAGS $CORCXXFLAGS $FLAGS_DYN $FLAGS_OBJ_DYN $FLAGS_OBJ_DYN_LIB_EXE $FLAGS_DYN_LIB"
1402 FLAGS_LIB="$LDFLAGS $CORCXXFLAGS $FLAGS_LIB $FLAGS_OBJ_DYN_LIB_EXE $FLAGS_DYN_LIB"
1403 #FLAGS_EXE="$LDFLAGS $CORCXXFLAGS $FLAGS_EXE $FLAGS_OBJ_DYN_LIB_EXE"
1404 FLAGS_EXE="$LDFLAGS $FLAGS_OBJ $FLAGS_EXE"
1405
1406 DEFS_OBJ="$DEFS_OBJ_DYN_LIB_EXE $DEFS_OBJ"
1407 DEFS_DYN="$DEFS_OBJ_DYN_LIB_EXE $DEFS_DYN"
1408 DEFS_LIB="$DEFS_OBJ_DYN_LIB_EXE $DEFS_LIB"
1409 DEFS_EXE="$DEFS_OBJ_DYN_LIB_EXE $DEFS_EXE"
1410
1411 AC_SUBST(FLAGS_OBJ)
1412 AC_SUBST(FLAGS_DYN)
1413 AC_SUBST(FLAGS_LIB)
1414 AC_SUBST(FLAGS_EXE)
1415 AC_SUBST(DEFS_OBJ)
1416 AC_SUBST(DEFS_DYN)
1417 AC_SUBST(DEFS_LIB)
1418 AC_SUBST(DEFS_EXE)
1419
1420 AC_SUBST(FLAGS_OBJ_MF)
1421 AC_SUBST(FLAGS_DYN_MF)
1422 AC_SUBST(FLAGS_LIB_MF)
1423 AC_SUBST(FLAGS_EXE_MF)
1424 AC_SUBST(DEFS_OBJ_MF)
1425 AC_SUBST(DEFS_DYN_MF)
1426 AC_SUBST(DEFS_LIB_MF)
1427 AC_SUBST(DEFS_EXE_MF)
1428
1429 AC_SUBST(FLAGS_OBJ_SH)
1430 AC_SUBST(FLAGS_DYN_SH)
1431 AC_SUBST(FLAGS_LIB_SH)
1432 AC_SUBST(FLAGS_EXE_SH)
1433 AC_SUBST(DEFS_OBJ_SH)
1434 AC_SUBST(DEFS_DYN_SH)
1435 AC_SUBST(DEFS_LIB_SH)
1436 AC_SUBST(DEFS_EXE_SH)
1437
1438 AC_SUBST(FLAGS_OBJ_BAT)
1439 AC_SUBST(FLAGS_DYN_BAT)
1440 AC_SUBST(FLAGS_LIB_BAT)
1441 AC_SUBST(FLAGS_EXE_BAT)
1442 AC_SUBST(DEFS_OBJ_BAT)
1443 AC_SUBST(DEFS_DYN_BAT)
1444 AC_SUBST(DEFS_LIB_BAT)
1445 AC_SUBST(DEFS_EXE_BAT)
1446
1447 ###############################################################################
1448
1449 AC_SUBST(RTLIBSUBSYS)
1450
1451 ###############################################################################
1452
1453 AC_PATH_XTRA
1454
1455
1456 #AC_SYS_INTERPRETER
1457 #AC_SYS_LARGEFILE
1458 #AC_SYS_POSIX_TERMIOS
1459
1460 AC_PROG_LN_S
1461 AC_PROG_RANLIB
1462 RC="git"
1463 GIT="git"
1464 HG="hg"
1465
1466 exe="$EXEEXT"
1467 obj=".$OBJEXT"
1468
1469 case "$target_os" in
1470
1471    mingw*) bat=".bat"
1472            ;;
1473
1474         *) bat=""
1475            ;;
1476 esac
1477
1478 if test "$ENABLE_SHARED" = yes; then
1479
1480   case "$target_os" in
1481
1482      mingw* | cygwin*)
1483              LIB_PREFIX="lib"
1484              LIB_EXTENSION=".dll"
1485              SETDLPATH="PATH=\"\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${PATH}\""
1486              ;;
1487
1488     darwin*) LIB_PREFIX="lib"
1489              LIB_EXTENSION=".dylib"
1490              SETDLPATH="DYLD_LIBRARY_PATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${DYLD_LIBRARY_PATH}"
1491              ;;
1492
1493       hpux*) LIB_PREFIX="lib"
1494              LIB_EXTENSION=".so"
1495              SETDLPATH="SHLIB_PATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${SHLIB_PATH}"
1496              ;;
1497
1498        aix*) LIB_PREFIX="lib"
1499              LIB_EXTENSION=".so"
1500              SETDLPATH="LIBPATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${LIBPATH}"
1501              ;;
1502
1503           *) LIB_PREFIX="lib"
1504              LIB_EXTENSION=".so"
1505              SETDLPATH="LD_LIBRARY_PATH=\$(rootfromhere)/lib:\$(rootfromhere)/gsi:\$(rootfromhere)/gsc:\${LD_LIBRARY_PATH}"
1506              ;;
1507   esac
1508
1509   MAKE_LIBRARY='$(C_COMPILER) $(FLAGS_LIB) -o $(LIBRARY) $(LIBRARY_OBJECTS) $(MAKE_LIBRARY_LIBS) $(LIBS)'
1510   MAKE_LIBRARY_FOR_INSTALL='$(C_COMPILER) $(FLAGS_LIB) -o $(LIBRARY) $(LIBRARY_OBJECTS) $(MAKE_LIBRARY_FOR_INSTALL_LIBS) $(LIBS)'
1511   FIXLIB=':'
1512   LINK_FOR_INSTALL='$(C_COMPILER) $(FLAGS_EXE) $(EXECUTABLE_OBJECTS) $(LINK_FOR_INSTALL_LIBS) $(LIBS) -o $(EXECUTABLE)'
1513
1514 else
1515
1516   SETDLPATH=""
1517
1518   if test "$C_COMP_VISUALC" = yes; then
1519
1520     ########## Microsoft Visual C++ compiler
1521
1522     LIB_PREFIX="lib"
1523     LIB_EXTENSION=".lib"
1524     MAKE_LIBRARY='lib -out:$(LIBRARY) $(LIBRARY_OBJECTS)'
1525     MAKE_LIBRARY_FOR_INSTALL=':'
1526     FIXLIB=':'
1527     LINK_FOR_INSTALL=':'
1528
1529 #  else if test "$C_COMP_WATCOMC" = yes; then
1530 #  else if test "$C_COMP_BORLANDC" = yes; then
1531
1532   else
1533
1534     ########## Other C compiler
1535
1536     LIB_PREFIX="lib"
1537     LIB_EXTENSION=".a"
1538     MAKE_LIBRARY='ar rc $(LIBRARY) $(LIBRARY_OBJECTS) && $(RANLIB) $(LIBRARY)'
1539     MAKE_LIBRARY_FOR_INSTALL=':'
1540     FIXLIB='$(RANLIB)'
1541     LINK_FOR_INSTALL=':'
1542
1543   fi
1544
1545 fi
1546
1547 if test "$ENABLE_VERSIONNED_LIBS" = no; then
1548
1549   LIB_SUFFIX=""
1550
1551 else
1552
1553   if test "$ENABLE_VERSIONNED_LIBS" = yes; then
1554
1555     LIB_SUFFIX=`echo -$PACKAGE_VERSION | sed -e 's/\./_/g'`
1556
1557   else
1558
1559     LIB_SUFFIX="$ENABLE_VERSIONNED_LIBS"
1560
1561   fi
1562
1563 fi
1564
1565 GAMBCLIB="gambc$LIB_SUFFIX"
1566 GAMBCGSCLIB="gambcgsc$LIB_SUFFIX"
1567 GAMBCGSILIB="gambcgsi$LIB_SUFFIX"
1568
1569 if test "yes" = yes; then
1570
1571   GAMBCLIB_LOC=""
1572   GAMBCLIB_LINK="\"\${GAMBCDIR_LIB}/$LIB_PREFIX$GAMBCLIB$LIB_EXTENSION\""
1573
1574   GAMBCGSILIB_LOC=""
1575   GAMBCGSILIB_LINK="\"\${GAMBCDIR_LIB_GSI}/$LIB_PREFIX$GAMBCGSILIB$LIB_EXTENSION\" \"\${GAMBCDIR_LIB}/$LIB_PREFIX$GAMBCLIB$LIB_EXTENSION\""
1576
1577   GAMBCGSCLIB_LOC=""
1578   GAMBCGSCLIB_LINK="\"\${GAMBCDIR_LIB_GSC}/$LIB_PREFIX$GAMBCGSCLIB$LIB_EXTENSION\" \"\${GAMBCDIR_LIB}/$LIB_PREFIX$GAMBCLIB$LIB_EXTENSION\""
1579
1580 else
1581
1582   GAMBCLIB_LOC="-L\"\${GAMBCDIR_LIB}\""
1583   GAMBCLIB_LINK="-l$GAMBCLIB"
1584
1585   GAMBCGSILIB_LOC="-L\"\${GAMBCDIR_LIB_GSI}\" -L\"\${GAMBCDIR_LIB}\""
1586   GAMBCGSILIB_LINK="-l$GAMBCGSILIB -l$GAMBCLIB"
1587
1588   GAMBCGSCLIB_LOC="-L\"\${GAMBCDIR_LIB_GSC}\" -L\"\${GAMBCDIR_LIB}\""
1589   GAMBCGSCLIB_LINK="-l$GAMBCGSCLIB -l$GAMBCLIB"
1590
1591 fi
1592
1593 if test "$C_COMP_VISUALC" = yes; then
1594
1595   ########## Microsoft Visual C++ compiler
1596
1597   BUILD_OBJ="\${C_COMPILER} \${FLAGS_OBJ} \${DEFS_OBJ} -I\"\${GAMBCDIR_INCLUDE}\" -c -Fo\"\${BUILD_OBJ_OUTPUT_FILENAME}\" \${BUILD_OBJ_CC_OPTIONS} \${BUILD_OBJ_INPUT_FILENAMES}"
1598
1599   BUILD_DYN="\${C_COMPILER} \${FLAGS_DYN} \${DEFS_DYN} -I\"\${GAMBCDIR_INCLUDE}\" -Fe\"\${BUILD_DYN_OUTPUT_FILENAME}\" \${BUILD_DYN_CC_OPTIONS} \${BUILD_DYN_LD_OPTIONS_PRELUDE} \${BUILD_DYN_INPUT_FILENAMES} \${BUILD_DYN_LD_OPTIONS}"
1600
1601   BUILD_LIB="echo BUILD_LIB not yet implemented"
1602
1603   BUILD_EXE="\${C_COMPILER} \${FLAGS_EXE} \${DEFS_EXE} -I\"\${GAMBCDIR_INCLUDE}\" ${GAMBCLIB_LOC} -Fe\"\${BUILD_EXE_OUTPUT_FILENAME}\" \${BUILD_EXE_CC_OPTIONS} \${BUILD_EXE_LD_OPTIONS_PRELUDE} \${BUILD_EXE_INPUT_FILENAMES} ${GAMBCLIB_LINK} \${LIBS} \${BUILD_EXE_LD_OPTIONS}"
1604
1605 else
1606
1607   BUILD_OBJ="\${C_COMPILER} \${FLAGS_OBJ} \${DEFS_OBJ} -I\"\${GAMBCDIR_INCLUDE}\" -c -o \"\${BUILD_OBJ_OUTPUT_FILENAME}\" \${BUILD_OBJ_CC_OPTIONS} \${BUILD_OBJ_INPUT_FILENAMES}"
1608
1609   BUILD_DYN="\${C_COMPILER} \${FLAGS_DYN} \${DEFS_DYN} -I\"\${GAMBCDIR_INCLUDE}\" -o \"\${BUILD_DYN_OUTPUT_FILENAME}\" \${BUILD_DYN_CC_OPTIONS} \${BUILD_DYN_LD_OPTIONS_PRELUDE} \${BUILD_DYN_INPUT_FILENAMES} \${BUILD_DYN_LD_OPTIONS}"
1610
1611   BUILD_LIB="echo BUILD_LIB not yet implemented"
1612
1613   BUILD_EXE="\${C_COMPILER} \${FLAGS_EXE} \${DEFS_EXE} -I\"\${GAMBCDIR_INCLUDE}\" ${GAMBCLIB_LOC} -o \"\${BUILD_EXE_OUTPUT_FILENAME}\" \${BUILD_EXE_CC_OPTIONS} \${BUILD_EXE_LD_OPTIONS_PRELUDE} \${BUILD_EXE_INPUT_FILENAMES} ${GAMBCLIB_LINK} \${LIBS} \${BUILD_EXE_LD_OPTIONS}"
1614
1615 fi
1616
1617 # The following code for making installed libraries may benefit from
1618 # a rewrite so that it reuses the "BUILD_XXX" command infrastructure.
1619
1620 if test "$ENABLE_ABSOLUTE_SHARED_LIBS" = yes; then
1621
1622   MAKE_LIBRARY_FOR_INSTALL_LIBS='$$t_libdir/$(LIB_PREFIX)$(GAMBCLIB)$(LIB_EXTENSION)'
1623   LINK_FOR_INSTALL_GSI_LIBS='$$t_libdir/$(LIB_PREFIX)$(GAMBCGSILIB)$(LIB_EXTENSION) $$t_libdir/$(LIB_PREFIX)$(GAMBCLIB)$(LIB_EXTENSION)'
1624   LINK_FOR_INSTALL_GSC_LIBS='$$t_libdir/$(LIB_PREFIX)$(GAMBCGSCLIB)$(LIB_EXTENSION) $$t_libdir/$(LIB_PREFIX)$(GAMBCLIB)$(LIB_EXTENSION)'
1625
1626 else
1627
1628   MAKE_LIBRARY_FOR_INSTALL_LIBS='-L$(rootfromhere)/lib -l$(GAMBCLIB)'
1629   LINK_FOR_INSTALL_GSI_LIBS='-L. -L$(rootfromhere)/lib -l$(GAMBCGSILIB) -l$(GAMBCLIB)'
1630   LINK_FOR_INSTALL_GSC_LIBS='-L. -L$(rootfromhere)/lib -l$(GAMBCGSCLIB) -l$(GAMBCLIB)'
1631
1632 fi
1633
1634 ###############################################################################
1635 #
1636 # Determine what prefix and suffix are added to function names by the
1637 # C compiler or linker.
1638
1639 case "$target_os" in
1640
1641    mingw*) # empty prefix and suffix
1642            ;;
1643
1644   cygwin*) # empty prefix and suffix
1645            ;;
1646
1647         *) # for other systems
1648
1649            ac_link_obj_file='$C_COMPILER $FLAGS_DYN $DEFS_DYN -Iinclude -o conftest.o1 conftest.$ac_ext >&5'
1650
1651            rm -f conftest.$ac_ext conftest.o1 conftest1.sed
1652
1653            cat >conftest.$ac_ext <<_ACEOF
1654 #line $LINENO "configure"
1655 #define ___VERSION 400000
1656 #define ___MODULE_NAME " GAMBCCHECKMODULEPREFIXSUFFIX"
1657 #define ___LINKER_ID ____20_GAMBCCHECKMODULEPREFIXSUFFIX
1658 #define ___MH_PROC ___H__20_GAMBCCHECKMODULEPREFIXSUFFIX
1659 #define ___SCRIPT_LINE 0
1660 #define ___MAX_CHR 0x10ffff
1661 #define ___VOIDSTAR_WIDTH ___LONG_WIDTH
1662 #include "gambit.h.in"
1663
1664 ___BEGIN_MOD1
1665 ___END_MOD1
1666 ___BEGIN_MOD2
1667 ___END_MOD2
1668 _ACEOF
1669
1670            if { (eval echo "$as_me:$LINENO: \"$ac_link_obj_file\"") >&5
1671              (eval $ac_link_obj_file) 2>&5
1672              ac_status=$?
1673              echo "$as_me:$LINENO: \$? = $ac_status" >&5
1674              (exit $ac_status); }; then
1675
1676              cat >conftest1.sed <<_ACEOF
1677 /^.* \([[a-zA-Z0-9_$]]*\)____20_GAMBCCHECKMODULEPREFIXSUFFIX\([[a-zA-Z0-9_$]]*\)$/s//#define ___IMPORTED_ID_PREFIX "\1"\\
1678 #define ___IMPORTED_ID_SUFFIX "\2"/p
1679 _ACEOF
1680
1681              # The nm program will extract the symbols in the object file
1682              # conftest.o1.  The following option is used:
1683              #   -g    shows the external symbols only (to avoid confusion with
1684              #         internal symbols generated by the compiler)
1685              nm -g conftest.o1 | sed -n -f conftest1.sed | sed -n -e "1,2p" >>confdefs.h
1686
1687            fi
1688            ;;
1689 esac
1690
1691 ###############################################################################
1692 #
1693 # Determine where the installation directories are located.
1694
1695 if test "$prefix" = NONE; then
1696   prefix="/usr/local/$PACKAGE_NAME"
1697 fi
1698
1699 if test "$ENABLE_MULTIPLE_VERSIONS" = yes; then
1700   prefix="$prefix/$PACKAGE_VERSION"
1701 fi
1702
1703 if test "$bindir" = "\${exec_prefix}/bin"; then
1704   bindir="\${prefix}/bin"
1705 fi
1706
1707 if test "$includedir" = "\${prefix}/include"; then
1708   includedir="\${prefix}/include"
1709 fi
1710
1711 if test "$libdir" = "\${exec_prefix}/lib"; then
1712   libdir="\${prefix}/lib"
1713 fi
1714
1715 if test "$docdir" = "\${datarootdir}/doc/\${PACKAGE_TARNAME}"; then
1716   docdir="\${prefix}/doc"
1717 fi
1718
1719 if test "$infodir" = "\${datarootdir}/info"; then
1720   infodir="\${prefix}/info"
1721 fi
1722
1723 if test "$datadir" = "\${datarootdir}"; then
1724   datadir="\${prefix}/share"
1725 fi
1726
1727 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___GAMBCDIR=\"\\\"$prefix\\\"\""
1728
1729 if test "$ENABLE_SYMLINKS" != yes; then
1730
1731   if test "$bindir" != "\${prefix}/bin"; then
1732     GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___GAMBCDIR_BIN=\"\\\"$bindir\\\"\""
1733   fi
1734
1735   if test "$includedir" != "\${prefix}/include"; then
1736     GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___GAMBCDIR_INCLUDE=\"\\\"$includedir\\\"\""
1737   fi
1738
1739   if test "$libdir" != "\${prefix}/lib"; then
1740     GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___GAMBCDIR_LIB=\"\\\"$libdir\\\"\""
1741   fi
1742
1743   if test "$docdir" != "\${prefix}/doc"; then
1744     GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___GAMBCDIR_DOC=\"\\\"$docdir\\\"\""
1745   fi
1746
1747   if test "$infodir" != "\${prefix}/info"; then
1748     GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___GAMBCDIR_INFO=\"\\\"$infodir\\\"\""
1749   fi
1750
1751   if test "$datadir" != "\${prefix}/share"; then
1752     GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___GAMBCDIR_SHARE=\"\\\"$datadir\\\"\""
1753   fi
1754
1755 fi
1756
1757 emacsdir="\${datadir}/emacs/site-lisp"
1758
1759 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___SYS_TYPE_CPU=\"\\\"$target_cpu\\\"\""
1760 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___SYS_TYPE_VENDOR=\"\\\"$target_vendor\\\"\""
1761 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___SYS_TYPE_OS=\"\\\"$target_os\\\"\""
1762 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___CONFIGURE_COMMAND=\"\\\"$CONFIGURE_COMMAND\\\"\""
1763 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___OBJ_EXTENSION=\"\\\"$obj\\\"\""
1764 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___EXE_EXTENSION=\"\\\"$exe\\\"\""
1765 GAMBCLIB_DEFS="$GAMBCLIB_DEFS -D___BAT_EXTENSION=\"\\\"$bat\\\"\""
1766
1767 ###############################################################################
1768
1769 # Escape strings before substitution.
1770
1771 ESC_MF="sed -e s/\\\\\\\$/\\\$\\\$/g"
1772 ESC_SH="sed -e s/\\\\/\\\\\\\\\\\\\\\\/g -e s/\\\"/\\\\\\\"/g -e s/\\\$/\\\\\\\$/g -e s/^/\"/ -e s/$/\"/"
1773 ESC_ECHO="sed -e s/\\\\/\\\\\\\\\\\\\\\\/g -e s/\\\"/\\\\\\\"/g -e s/^/\"/ -e s/$/\"/"
1774 ESC_BAT="sed -e s/\${/%%/g -e s/}/%%/g"
1775 ESC_ECHO_BAT="sed -e s/\${/%/g -e s/}/%/g"
1776
1777 C_COMPILER_MF=`echo "$C_COMPILER" | $ESC_MF`
1778 C_PREPROC_MF=`echo "$C_PREPROC" | $ESC_MF`
1779
1780 FLAGS_OBJ_MF=`echo "$FLAGS_OBJ" | $ESC_MF`
1781 FLAGS_DYN_MF=`echo "$FLAGS_DYN" | $ESC_MF`
1782 FLAGS_LIB_MF=`echo "$FLAGS_LIB" | $ESC_MF`
1783 FLAGS_EXE_MF=`echo "$FLAGS_EXE" | $ESC_MF`
1784
1785 DEFS_OBJ_MF=`echo "$DEFS_OBJ" | $ESC_MF`
1786 DEFS_DYN_MF=`echo "$DEFS_DYN" | $ESC_MF`
1787 DEFS_LIB_MF=`echo "$DEFS_LIB" | $ESC_MF`
1788 DEFS_EXE_MF=`echo "$DEFS_EXE" | $ESC_MF`
1789
1790 BUILD_OBJ_MF=`echo "$BUILD_OBJ" | $ESC_MF`
1791 BUILD_DYN_MF=`echo "$BUILD_DYN" | $ESC_MF`
1792 BUILD_LIB_MF=`echo "$BUILD_LIB" | $ESC_MF`
1793 BUILD_EXE_MF=`echo "$BUILD_EXE" | $ESC_MF`
1794
1795 DEFS_MF=`echo "$DEFS" | $ESC_MF`
1796 LIBS_MF=`echo "$LIBS" | $ESC_MF`
1797 GAMBCLIB_DEFS_MF=`echo "$GAMBCLIB_DEFS" | $ESC_MF`
1798 GAMBCLIB_MF=`echo "$GAMBCLIB" | $ESC_MF`
1799 GAMBCGSCLIB_MF=`echo "$GAMBCGSCLIB" | $ESC_MF`
1800 GAMBCGSILIB_MF=`echo "$GAMBCGSILIB" | $ESC_MF`
1801 LIB_PREFIX_MF=`echo "$LIB_PREFIX" | $ESC_MF`
1802 LIB_EXTENSION_MF=`echo "$LIB_EXTENSION" | $ESC_MF`
1803
1804 C_COMPILER_SH=`echo "$C_COMPILER" | $ESC_SH`
1805 C_PREPROC_SH=`echo "$C_PREPROC" | $ESC_SH`
1806
1807 FLAGS_OBJ_SH=`echo "$FLAGS_OBJ" | $ESC_SH`
1808 FLAGS_DYN_SH=`echo "$FLAGS_DYN" | $ESC_SH`
1809 FLAGS_LIB_SH=`echo "$FLAGS_LIB" | $ESC_SH`
1810 FLAGS_EXE_SH=`echo "$FLAGS_EXE" | $ESC_SH`
1811
1812 DEFS_OBJ_SH=`echo "$DEFS_OBJ" | $ESC_SH`
1813 DEFS_DYN_SH=`echo "$DEFS_DYN" | $ESC_SH`
1814 DEFS_LIB_SH=`echo "$DEFS_LIB" | $ESC_SH`
1815 DEFS_EXE_SH=`echo "$DEFS_EXE" | $ESC_SH`
1816
1817 BUILD_OBJ_SH=`echo "$BUILD_OBJ" | $ESC_SH`
1818 BUILD_DYN_SH=`echo "$BUILD_DYN" | $ESC_SH`
1819 BUILD_LIB_SH=`echo "$BUILD_LIB" | $ESC_SH`
1820 BUILD_EXE_SH=`echo "$BUILD_EXE" | $ESC_SH`
1821
1822 DEFS_SH=`echo "$DEFS" | $ESC_SH`
1823 LIBS_SH=`echo "$LIBS" | $ESC_SH`
1824 GAMBCLIB_DEFS_SH=`echo "$GAMBCLIB_DEFS" | $ESC_SH`
1825 GAMBCLIB_SH=`echo "$GAMBCLIB" | $ESC_SH`
1826 GAMBCGSCLIB_SH=`echo "$GAMBCGSCLIB" | $ESC_SH`
1827 GAMBCGSILIB_SH=`echo "$GAMBCGSILIB" | $ESC_SH`
1828 LIB_PREFIX_SH=`echo "$LIB_PREFIX" | $ESC_SH`
1829 LIB_EXTENSION_SH=`echo "$LIB_EXTENSION" | $ESC_SH`
1830
1831 C_COMPILER_BAT=`echo "$C_COMPILER" | $ESC_BAT`
1832 C_PREPROC_BAT=`echo "$C_PREPROC" | $ESC_BAT`
1833
1834 FLAGS_OBJ_BAT=`echo "$FLAGS_OBJ" | $ESC_BAT`
1835 FLAGS_DYN_BAT=`echo "$FLAGS_DYN" | $ESC_BAT`
1836 FLAGS_LIB_BAT=`echo "$FLAGS_LIB" | $ESC_BAT`
1837 FLAGS_EXE_BAT=`echo "$FLAGS_EXE" | $ESC_BAT`
1838
1839 DEFS_OBJ_BAT=`echo "$DEFS_OBJ" | $ESC_BAT`
1840 DEFS_DYN_BAT=`echo "$DEFS_DYN" | $ESC_BAT`
1841 DEFS_LIB_BAT=`echo "$DEFS_LIB" | $ESC_BAT`
1842 DEFS_EXE_BAT=`echo "$DEFS_EXE" | $ESC_BAT`
1843
1844 BUILD_OBJ_BAT=`echo "$BUILD_OBJ" | $ESC_BAT`
1845 BUILD_DYN_BAT=`echo "$BUILD_DYN" | $ESC_BAT`
1846 BUILD_LIB_BAT=`echo "$BUILD_LIB" | $ESC_BAT`
1847 BUILD_EXE_BAT=`echo "$BUILD_EXE" | $ESC_BAT`
1848
1849 DEFS_BAT=`echo "$DEFS" | $ESC_BAT`
1850 LIBS_BAT=`echo "$LIBS" | $ESC_BAT`
1851 GAMBCLIB_DEFS_BAT=`echo "$GAMBCLIB_DEFS" | $ESC_BAT`
1852 GAMBCLIB_BAT=`echo "$GAMBCLIB" | $ESC_BAT`
1853 GAMBCGSCLIB_BAT=`echo "$GAMBCGSCLIB" | $ESC_BAT`
1854 GAMBCGSILIB_BAT=`echo "$GAMBCGSILIB" | $ESC_BAT`
1855 LIB_PREFIX_BAT=`echo "$LIB_PREFIX" | $ESC_BAT`
1856 LIB_EXTENSION_BAT=`echo "$LIB_EXTENSION" | $ESC_BAT`
1857
1858 BUILD_OBJ_ECHO=`echo "$BUILD_OBJ" | $ESC_ECHO`
1859 BUILD_DYN_ECHO=`echo "$BUILD_DYN" | $ESC_ECHO`
1860 BUILD_LIB_ECHO=`echo "$BUILD_LIB" | $ESC_ECHO`
1861 BUILD_EXE_ECHO=`echo "$BUILD_EXE" | $ESC_ECHO`
1862
1863 BUILD_OBJ_ECHO_BAT=`echo "$BUILD_OBJ" | $ESC_ECHO_BAT`
1864 BUILD_DYN_ECHO_BAT=`echo "$BUILD_DYN" | $ESC_ECHO_BAT`
1865 BUILD_LIB_ECHO_BAT=`echo "$BUILD_LIB" | $ESC_ECHO_BAT`
1866 BUILD_EXE_ECHO_BAT=`echo "$BUILD_EXE" | $ESC_ECHO_BAT`
1867
1868 ###############################################################################
1869
1870 if test "$srcdir" = "."; then
1871   srcdirpfx=""
1872 else
1873   srcdirpfx="\$(srcdir)/"
1874 fi
1875
1876 INSTALL='$(rootfromhere)/install-sh -c'
1877 INSTALL_DATA='$(rootfromhere)/install-sh -c -m 644'
1878 INSTALL_LIB='$(rootfromhere)/install-sh -c -m 644'
1879 INSTALL_PROGRAM='$(rootfromhere)/install-sh -c -m 755'
1880
1881 AC_SUBST(srcdirpfx)
1882 AC_SUBST(exe)
1883 AC_SUBST(obj)
1884 AC_SUBST(bat)
1885 AC_SUBST(SETDLPATH)
1886
1887 AC_SUBST(BUILD_OBJ)
1888 AC_SUBST(BUILD_DYN)
1889 AC_SUBST(BUILD_LIB)
1890 AC_SUBST(BUILD_EXE)
1891 AC_SUBST(DEFS)
1892 AC_SUBST(LIBS)
1893 AC_SUBST(GAMBCLIB_DEFS)
1894 AC_SUBST(GAMBCLIB)
1895 AC_SUBST(GAMBCGSCLIB)
1896 AC_SUBST(GAMBCGSILIB)
1897 AC_SUBST(LIB_PREFIX)
1898 AC_SUBST(LIB_EXTENSION)
1899
1900 AC_SUBST(BUILD_OBJ_MF)
1901 AC_SUBST(BUILD_DYN_MF)
1902 AC_SUBST(BUILD_LIB_MF)
1903 AC_SUBST(BUILD_EXE_MF)
1904 AC_SUBST(DEFS_MF)
1905 AC_SUBST(LIBS_MF)
1906 AC_SUBST(GAMBCLIB_DEFS_MF)
1907 AC_SUBST(GAMBCLIB_MF)
1908 AC_SUBST(GAMBCGSCLIB_MF)
1909 AC_SUBST(GAMBCGSILIB_MF)
1910 AC_SUBST(LIB_PREFIX_MF)
1911 AC_SUBST(LIB_EXTENSION_MF)
1912
1913 AC_SUBST(BUILD_OBJ_SH)
1914 AC_SUBST(BUILD_DYN_SH)
1915 AC_SUBST(BUILD_LIB_SH)
1916 AC_SUBST(BUILD_EXE_SH)
1917 AC_SUBST(DEFS_SH)
1918 AC_SUBST(LIBS_SH)
1919 AC_SUBST(GAMBCLIB_DEFS_SH)
1920 AC_SUBST(GAMBCLIB_SH)
1921 AC_SUBST(GAMBCGSCLIB_SH)
1922 AC_SUBST(GAMBCGSILIB_SH)
1923 AC_SUBST(LIB_PREFIX_SH)
1924 AC_SUBST(LIB_EXTENSION_SH)
1925
1926 AC_SUBST(BUILD_OBJ_BAT)
1927 AC_SUBST(BUILD_DYN_BAT)
1928 AC_SUBST(BUILD_LIB_BAT)
1929 AC_SUBST(BUILD_EXE_BAT)
1930 AC_SUBST(DEFS_BAT)
1931 AC_SUBST(LIBS_BAT)
1932 AC_SUBST(GAMBCLIB_DEFS_BAT)
1933 AC_SUBST(GAMBCLIB_BAT)
1934 AC_SUBST(GAMBCGSCLIB_BAT)
1935 AC_SUBST(GAMBCGSILIB_BAT)
1936 AC_SUBST(LIB_PREFIX_BAT)
1937 AC_SUBST(LIB_EXTENSION_BAT)
1938
1939 AC_SUBST(BUILD_OBJ_ECHO)
1940 AC_SUBST(BUILD_DYN_ECHO)
1941 AC_SUBST(BUILD_LIB_ECHO)
1942 AC_SUBST(BUILD_EXE_ECHO)
1943
1944 AC_SUBST(BUILD_OBJ_ECHO_BAT)
1945 AC_SUBST(BUILD_DYN_ECHO_BAT)
1946 AC_SUBST(BUILD_LIB_ECHO_BAT)
1947 AC_SUBST(BUILD_EXE_ECHO_BAT)
1948
1949 AC_SUBST(MAKE_LIBRARY)
1950 AC_SUBST(MAKE_LIBRARY_FOR_INSTALL)
1951 AC_SUBST(MAKE_LIBRARY_FOR_INSTALL_LIBS)
1952 AC_SUBST(LINK)
1953 AC_SUBST(LINK_FOR_INSTALL)
1954 AC_SUBST(LINK_FOR_INSTALL_GSI_LIBS)
1955 AC_SUBST(LINK_FOR_INSTALL_GSC_LIBS)
1956 AC_SUBST(INSTALL)
1957 AC_SUBST(INSTALL_DATA)
1958 AC_SUBST(INSTALL_LIB)
1959 AC_SUBST(INSTALL_PROGRAM)
1960 AC_SUBST(LN_S)
1961 AC_SUBST(RANLIB)
1962 AC_SUBST(RC)
1963 AC_SUBST(GIT)
1964 AC_SUBST(HG)
1965 AC_SUBST(FIXLIB)
1966
1967 AC_SUBST(X_FLAGS)
1968 AC_SUBST(X_LIBS)
1969
1970 AC_SUBST(ENABLE_SYMLINKS)
1971 AC_SUBST(ENABLE_INTERPRETER_NAME)
1972 AC_SUBST(ENABLE_COMPILER_NAME)
1973 AC_SUBST(ENABLE_MULTIPLE_VERSIONS)
1974 AC_SUBST(ENABLE_SHARED)
1975 AC_SUBST(ENABLE_ABSOLUTE_SHARED_LIBS)
1976 AC_SUBST(ENABLE_VERSIONNED_LIBS)
1977 AC_SUBST(emacsdir)
1978 AC_SUBST(HELP_BROWSER)
1979
1980 AC_PROG_MAKE_SET
1981
1982 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-cc.unix bin/gambc-cc.bat.windows bin/gambc-doc.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 examples/iOS/makefile prebuilt/makefile prebuilt/macosx/makefile prebuilt/macosx/build-phase2 prebuilt/windows/makefile prebuilt/windows/build-phase2)
1983
1984 if test "$ENABLE_SINGLE_HOST" != yes; then
1985   AC_MSG_NOTICE([
1986 **************************************************************************
1987 *** The option "--enable-single-host" was not specified to the         ***
1988 *** configure script.  The Gambit-C system will compile correctly but  ***
1989 *** the code generated by the C compiler will be suboptimal and the    ***
1990 *** executables will run considerably slower than if                   ***
1991 *** "--enable-single-host" is specified.  On the other hand the build  ***
1992 *** process will be faster and require less memory.  If you have lots  ***
1993 *** of RAM memory (>= 500 Mbytes) and you are willing to wait for the  ***
1994 *** longer build try the configure option "--enable-single-host".      ***
1995 **************************************************************************
1996 ])
1997 fi
1998
1999 if test "$C_COMP_GNUC" = yes; then
2000
2001   if test "$ENABLE_GCC_MOVE_LOOP_INVARIANTS" != yes; then
2002     AC_MSG_NOTICE([
2003 **************************************************************************
2004 *** The GCC compiler that is being used has problems compiling Gambit  ***
2005 *** generated code when the normal set of C compiler optimizations are ***
2006 *** enabled and the configure flag "--enable-single-host" is           ***
2007 *** specified.  It can take over 20 GBytes of virtual memory to        ***
2008 *** compile some files.  For this reason the GCC compiler optimization ***
2009 *** which performs loop invariant code motion has been disabled by     ***
2010 *** adding the GCC command line option "-fno-move-loop-invariants".    ***
2011 *** This greatly reduces compile time space requirements and it has a  ***
2012 *** small impact on overall run time performance, but for some tight   ***
2013 *** loops the effect is larger.  If you want to avoid this problem     ***
2014 *** then upgrade your version of GCC to 4.4 (or above hopefully) or    ***
2015 *** downgrade to a version prior to 4.2 .                              ***
2016 **************************************************************************
2017 ])
2018   fi
2019
2020 #  if test "$ENABLE_GCC_OPTS" != yes; then
2021 #    AC_MSG_NOTICE([
2022 #**************************************************************************
2023 #*** The GCC compiler is being used but the option "--enable-gcc-opts"  ***
2024 #*** was not specified to the configure script.  The Gambit-C system    ***
2025 #*** will compile correctly but the code generated by the GCC compiler  ***
2026 #*** will be suboptimal and the executables will run slightly slower    ***
2027 #*** than if "--enable-gcc-opts" is specified.  On the other hand the   ***
2028 #*** build process will be faster and require less memory.  If you have ***
2029 #*** lots of RAM memory (>= 2 Gbytes) and you are willing to wait for   ***
2030 #*** the longer build try the configure option "--enable-gcc-opts".     ***
2031 #**************************************************************************
2032 #])
2033 #  fi
2034
2035 fi