configure.in

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
   3 dnl  (or some such) to see the outline of this file)
   4 dnl
   5 #
   6 # (c) The AQUA Project, Glasgow University, 1994-1998
   7 #
   8 # Configure script template for the Glasgow functional programming tools
   9 #
  10 # Process with 'autoconf' to get a working configure script.
  11 #
  12 # For the generated configure script, do "./configure --help" to
  13 # see what flags are available. (Better yet, read the documentation!)
  14 #
  15
  16 # First off, a distrib sanity check..
  17 AC_INIT(mk/config.mk.in)
  18
  19 dnl * Declare subdirectories that have a private configure script
  20 dnl
  21 dnl After the toplevel configuration is complete, the script will recurse into
  22 dnl these subdirectories (the use of cache values makes repeated checks cheap)
  23 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
  24 AC_CONFIG_SUBDIRS(ghc)
  25
  26 # -------------------------------------------------------------------------
  27 # Prepare to generate the following header files
  28 #
  29 #
  30 AC_CONFIG_HEADER(mk/config.h)
  31
  32 # No, semi-sadly, we don't do `--srcdir'...
  33 if test x"$srcdir" != 'x.' ; then
  34     echo "This configuration does not support the \`--srcdir' option.."
  35     exit 1
  36 fi
  37
  38 #
  39 # Remove common automounter nonsense + convert from UNC to DOS style paths
  40 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
  41 #
  42 hardtop=`pwd`
  43 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
  44
  45 echo ''
  46 echo "*** The top of your build tree is: $hardtop"
  47 AC_SUBST(hardtop)
  48
  49 dnl--------------------------------------------------------------------
  50 dnl * Choose host(/target/build) platform
  51 dnl--------------------------------------------------------------------
  52
  53 dnl Guess host/target/build platform(s) if necessary.
  54 AC_CANONICAL_SYSTEM
  55
  56 # "$host" defaults to "$target"
  57 if test "x$host" = xNONE ; then
  58     host=$target
  59 fi
  60
  61 dnl ** canonicalize platform names
  62 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  63 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  64 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  65
  66 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  67     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  68     exit 1
  69 fi
  70
  71 exeext=''
  72 #
  73 # The following will be more difficult when we *are* cross-compiling.
  74 # Suitable names to slam in *_CPP are in platform.h.in.
  75 # We also record the architecture, vendor, and operating system (OS)
  76 # separately.
  77 case $HostPlatform in
  78 alpha-dec-osf[[12]]*)
  79         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  80         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  81         BuildPlatform=alpha-dec-osf1  # hack
  82         HostPlatform_CPP='alpha_dec_osf1'
  83         HostArch_CPP='alpha'
  84         HostVendor_CPP='dec'
  85         HostOS_CPP='osf1'
  86         ;;
  87 alpha-dec-osf[[34]]*)
  88         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  89         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  90         BuildPlatform=alpha-dec-osf3  # hack
  91         HostPlatform_CPP='alpha_dec_osf3'
  92         HostArch_CPP='alpha'
  93         HostVendor_CPP='dec'
  94         HostOS_CPP='osf3'
  95         ;;
  96 alpha-unknown-linux)
  97         HostPlatform=alpha-unknown-linux
  98         TargetPlatform=alpha-unknown-linux
  99         BuildPlatform=alpha-unknown-linux
 100         HostPlatform_CPP='alpha_unknown_linux'
 101         HostArch_CPP='alpha'
 102         HostVendor_CPP='unknown'
 103         HostOS_CPP='linux'
 104         ;;
 105 alpha-unknown-freebsd*)
 106         HostPlatform=alpha-unknown-freebsd
 107         TargetPlatform=alpha-unknown-freebsd
 108         BuildPlatform=alpha-unknown-freebsd
 109         HostPlatform_CPP='alpha_unknown_freebsd'
 110         HostArch_CPP='alpha'
 111         HostVendor_CPP='unknown'
 112         HostOS_CPP='freebsd'
 113         ;;
 114 hppa1.1-hp-hpux*)
 115         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 116         TargetPlatform=hppa1.1-hp-hpux
 117         BuildPlatform=hppa1.1-hp-hpux
 118         HostPlatform_CPP='hppa1_1_hp_hpux'
 119         HostArch_CPP='hppa1_1'
 120         HostVendor_CPP='hp'
 121         HostOS_CPP='hpux'
 122         ;;
 123 i[[3456]]86-*-linuxaout*)
 124         HostPlatform=i386-unknown-linuxaout   # hack again
 125         TargetPlatform=i386-unknown-linuxaout
 126         BuildPlatform=i386-unknown-linuxaout
 127         HostPlatform_CPP='i386_unknown_linuxaout'
 128         HostArch_CPP='i386'
 129         HostVendor_CPP='unknown'
 130         HostOS_CPP='linuxaout'
 131         ;;
 132 i[[3456]]86-*-linux*)
 133         HostPlatform=i386-unknown-linux # hack again
 134         TargetPlatform=i386-unknown-linux
 135         BuildPlatform=i386-unknown-linux
 136         HostPlatform_CPP='i386_unknown_linux'
 137         HostArch_CPP='i386'
 138         HostVendor_CPP='unknown'
 139         HostOS_CPP='linux'
 140         ;;
 141 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 142         HostPlatform=i386-unknown-freebsd # hack again
 143         TargetPlatform=i386-unknown-freebsd
 144         BuildPlatform=i386-unknown-freebsd
 145         HostPlatform_CPP='i386_unknown_freebsd'
 146         HostArch_CPP='i386'
 147         HostVendor_CPP='unknown'
 148         HostOS_CPP='freebsd'
 149         ;;
 150 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 151         HostPlatform=i386-unknown-freebsd2 # hack again
 152         TargetPlatform=i386-unknown-freebsd2
 153         BuildPlatform=i386-unknown-freebsd2
 154         HostPlatform_CPP='i386_unknown_freebsd2'
 155         HostArch_CPP='i386'
 156         HostVendor_CPP='unknown'
 157         HostOS_CPP='freebsd2'
 158         ;;
 159 i[[3456]]86-*-netbsd*)
 160         HostPlatform=i386-unknown-netbsd # hack again
 161         TargetPlatform=i386-unknown-netbsd
 162         BuildPlatform=i386-unknown-netbsd
 163         HostPlatform_CPP='i386_unknown_netbsd'
 164         HostArch_CPP='i386'
 165         HostVendor_CPP='unknown'
 166         HostOS_CPP='netbsd'
 167         ;;
 168 i[[3456]]86-*-openbsd*)
 169         HostPlatform=i386-unknown-openbsd # hack again
 170         TargetPlatform=i386-unknown-openbsd
 171         BuildPlatform=i386-unknown-openbsd
 172         HostPlatform_CPP='i386_unknown_openbsd'
 173         HostArch_CPP='i386'
 174         HostVendor_CPP='unknown'
 175         HostOS_CPP='openbsd'
 176         ;;
 177 i[[3456]]86-*-solaris2*)
 178         HostPlatform=i386-unknown-solaris2 # hack again
 179         TargetPlatform=i386-unknown-solaris2
 180         BuildPlatform=i386-unknown-solaris2
 181         HostPlatform_CPP='i386_unknown_solaris2'
 182         HostArch_CPP='i386'
 183         HostVendor_CPP='unknown'
 184         HostOS_CPP='solaris2'
 185         ;;
 186 i[[3456]]86-*-cygwin*)
 187         HostPlatform=i386-unknown-cygwin32 # hack again
 188         TargetPlatform=i386-unknown-cygwin32
 189         BuildPlatform=i386-unknown-cygwin32
 190         HostPlatform_CPP='i386_unknown_cygwin32'
 191         HostArch_CPP='i386'
 192         HostVendor_CPP='unknown'
 193         HostOS_CPP='cygwin32'
 194         exeext='.exe'
 195         ;;
 196 i[[3456]]86-*-mingw32*)
 197         HostPlatform=i386-unknown-mingw32 # hack again
 198         TargetPlatform=i386-unknown-mingw32
 199         BuildPlatform=i386-unknown-mingw32
 200         HostPlatform_CPP='i386_unknown_mingw32'
 201         HostArch_CPP='i386'
 202         HostVendor_CPP='unknown'
 203         HostOS_CPP='mingw32'
 204         exeext='.exe'
 205         # We assume you're using mingw32 via the gcc that comes
 206         # with cygwin, and not the native port, so let's augment
 207         # the gcc command-line used here with -mno-cygwin -mwin32
 208         # to arrange for good things to happen.
 209         CFLAGS="-mno-cygwin -mwin32 $CFLAGS"
 210         CPPFLAGS="-mno-cygwin -mwin32 $CPPFLAGS"
 211         ;;
 212 m68k-next-nextstep2)
 213         HostPlatform_CPP='m68k_next_nextstep2'
 214         HostArch_CPP='m68k'
 215         HostVendor_CPP='next'
 216         HostOS_CPP='nextstep2'
 217         ;;
 218 m68k-next-nextstep3)
 219         HostPlatform_CPP='m68k_next_nextstep3'
 220         HostArch_CPP='m68k'
 221         HostVendor_CPP='next'
 222         HostOS_CPP='nextstep3'
 223         ;;
 224 i[[3456]]86-next-nextstep3)
 225         HostPlatform=i386-next-nextstep3 # hack again
 226         TargetPlatform=i386-next-nextstep3
 227         BuildPlatform=i386-next-nextstep3
 228         HostPlatform_CPP='i386_next_nextstep3'
 229         HostArch_CPP='i386'
 230         HostVendor_CPP='next'
 231         HostOS_CPP='nextstep3'
 232         ;;
 233 m68k-sun-sunos4*)
 234         HostPlatform=m68k-sun-sunos4
 235         TargetPlatform=m68k-sun-sunos4 #hack
 236         BuildPlatform=m68k-sun-sunos4 #hack
 237         HostPlatform_CPP='m68k_sun_sunos4'
 238         HostArch_CPP='m68k'
 239         HostVendor_CPP='sun'
 240         HostOS_CPP='sunos4'
 241         ;;
 242 mips-dec-ultrix*)
 243         HostPlatform_CPP='mips_dec_ultrix'
 244         HostArch_CPP='mipsel'   # NB a little different
 245         HostVendor_CPP='dec'
 246         HostOS_CPP='ultrix'
 247         ;;
 248 mips-sgi-irix*)
 249         HostPlatform=mips-sgi-irix
 250         TargetPlatform=mips-sgi-irix #hack
 251         BuildPlatform=mips-sgi-irix #hack
 252         HostPlatform_CPP='mips_sgi_irix'
 253         HostArch_CPP='mipseb'   # NB a little different
 254         HostVendor_CPP='sgi'
 255         HostOS_CPP='irix'
 256         ;;
 257 rs6000-ibm-aix*)
 258         HostPlatform=rs6000-ibm-aix
 259         TargetPlatform=rs6000-ibm-aix #hack
 260         BuildPlatform=rs6000-ibm-aix #hack
 261         HostPlatform_CPP='rs6000_ibm_aix'
 262         HostArch_CPP='rs6000'
 263         HostVendor_CPP='ibm'
 264         HostOS_CPP='aix'
 265         ;;
 266 powerpc-ibm-aix*)
 267         HostPlatform=powerpc-ibm-aix
 268         TargetPlatform=powerpc-ibm-aix #hack
 269         BuildPlatform=powerpc-ibm-aix #hack
 270         HostPlatform_CPP='powerpc_ibm_aix'
 271         HostArch_CPP='powerpc'
 272         HostVendor_CPP='ibm'
 273         HostOS_CPP='aix'
 274         ;;
 275 powerpc-apple-macosx*)
 276       HostPlatform=powerpc-apple-macosx
 277       TargetPlatform=powerpc-apple-macosx #hack
 278       BuildPlatform=powerpc-apple-macosx #hack
 279         HostPlatform_CPP='powerpc_apple_macosx'
 280         HostArch_CPP='powerpc'
 281         HostVendor_CPP='apple'
 282         HostOS_CPP='macosx'
 283         ;;
 284 sparc-sun-sunos4*)
 285         HostPlatform=sparc-sun-sunos4
 286         TargetPlatform=sparc-sun-sunos4 #hack
 287         BuildPlatform=sparc-sun-sunos4 #hack
 288         HostPlatform_CPP='sparc_sun_sunos4'
 289         HostArch_CPP='sparc'
 290         HostVendor_CPP='sun'
 291         HostOS_CPP='sunos4'
 292         ;;
 293 sparc-sun-solaris2*)
 294         HostPlatform=sparc-sun-solaris2
 295         TargetPlatform=sparc-sun-solaris2 #hack
 296         BuildPlatform=sparc-sun-solaris2 #hack
 297         HostPlatform_CPP='sparc_sun_solaris2'
 298         HostArch_CPP='sparc'
 299         HostVendor_CPP='sun'
 300         HostOS_CPP='solaris2'
 301         ;;
 302 *)
 303         echo "Unrecognised platform: $HostPlatform"
 304         exit 1
 305         ;;
 306 esac
 307 echo "Canonicalised to: $HostPlatform"
 308 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 309 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 310
 311 BuildPlatform_CPP=$HostPlatform_CPP
 312 TargetPlatform_CPP=$HostPlatform_CPP
 313 BuildArch_CPP=$HostArch_CPP
 314 TargetArch_CPP=$HostArch_CPP
 315 BuildOS_CPP=$HostOS_CPP
 316 HostOS_Full=$host_os
 317 TargetOS_CPP=$HostOS_CPP
 318 BuildVendor_CPP=$HostVendor_CPP
 319 TargetVendor_CPP=$HostVendor_CPP
 320
 321 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 322 dnl AC_SUBST(BuildPlatform)
 323
 324 AC_SUBST(HostPlatform)
 325 AC_SUBST(TargetPlatform)
 326 AC_SUBST(HostPlatform_CPP)
 327 dnl AC_SUBST(BuildPlatform_CPP)
 328 dnl AC_SUBST(TargetPlatform_CPP)
 329
 330 AC_SUBST(HostArch_CPP)
 331 dnl AC_SUBST(BuildArch_CPP)
 332 dnl AC_SUBST(TargetArch_CPP)
 333
 334 AC_SUBST(HostOS_CPP)
 335 AC_SUBST(HostOS_Full)
 336 dnl AC_SUBST(BuildOS_CPP)
 337 dnl AC_SUBST(TargetOS_CPP)
 338
 339 AC_SUBST(HostVendor_CPP)
 340 dnl AC_SUBST(BuildVendor_CPP)
 341 dnl AC_SUBST(TargetVendor_CPP)
 342
 343 AC_SUBST(exeext)
 344
 345 dnl --------------------------------------------------------------
 346 dnl * Project specific configuration options
 347 dnl --------------------------------------------------------------
 348 dnl What follows is a bunch of options that can either be configured
 349 dnl through command line options to the configure script or by
 350 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 351 dnl use either is considered a Feature.
 352
 353 dnl ** What command to use to compile compiler sources ?
 354 dnl --------------------------------------------------------------
 355 if test "$GHC" = ""; then
 356   AC_PATH_PROG(GHC,ghc)
 357 fi
 358
 359 AC_ARG_WITH(ghc,
 360 [  --with-ghc=<haskell compiler>
 361         Use a command different from 'ghc' to compile GHC-specific Haskell code
 362             (including GHC itself).
 363 ],
 364 [WithGhc="$withval"],
 365 [WithGhc=$GHC]
 366 )
 367 AC_SUBST(WithGhc)
 368
 369 AC_ARG_WITH(hc,
 370 [  --with-hc=<haskell compiler>
 371         Use a command different from 'ghc' to compile generic Haskell code.
 372 ],
 373 [WithHc="$withval"],
 374 [WithHc=$WithGhc]
 375 )
 376 AC_SUBST(WithHc)
 377
 378 if test "$WithGhc" != ""; then
 379   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 380   AC_SUBST(GhcVersion)dnl
 381   AC_SUBST(GhcMajVersion)dnl
 382   AC_SUBST(GhcMinVersion)dnl
 383   AC_SUBST(GhcPatchLevel)dnl
 384 fi
 385
 386 AC_PATH_PROGS(NHC,nhc nhc98)
 387 AC_PATH_PROG(HBC,hbc)
 388
 389 dnl ** Which gcc to use?
 390 dnl --------------------------------------------------------------
 391 AC_ARG_WITH(gcc,
 392 [  --with-gcc=<gcc command>
 393         Use a different command instead of 'gcc' for the GNU C compiler.
 394 ],
 395 [WhatGccIsCalled="$withval"],
 396 [WhatGccIsCalled="gcc"]
 397 )
 398 AC_SUBST(WhatGccIsCalled)
 399
 400 dnl ** Booting from .hc files?
 401 dnl --------------------------------------------------------------
 402 AC_ARG_ENABLE(hc-boot,
 403 [  --enable-hc-boot
 404         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 405         (This option is mostly of interest to porters.)
 406 ],
 407 [BootingFromHc=YES],
 408 [BootingFromHc=NO]
 409 )
 410 AC_SUBST(BootingFromHc)
 411
 412
 413 dnl ** Enable the construction of Win32 DLLs?
 414 dnl --------------------------------------------------------------
 415 AC_ARG_ENABLE(win32-dlls,
 416 [  --enable-win32-dlls
 417         If on a Win32 platform running mingw32/cygwin, enable the
 418         construction of DLLs containing ghc-compiled code.
 419 ],
 420 [
 421 case $HostOS_CPP in
 422 cygwin32) ;;
 423 mingw32)  ;;
 424 *)    echo "Unrecognised win32 platform: $HostPlatform"
 425       exit 1
 426       ;;
 427 esac
 428 EnableWin32DLLs=YES
 429 ],
 430 [EnableWin32DLLs=NO]
 431 )
 432 AC_SUBST(EnableWin32DLLs)
 433 if test x"$EnableWin32DLLs" = "xYES" ; then
 434  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 435 fi
 436
 437 dnl ** Building a Win32-friendlier compiler?
 438 dnl --------------------------------------------------------------
 439 AC_ARG_ENABLE(minimal-unix-deps,
 440 [  --enable-minimal-unix-deps
 441         Build a compiler that minimizes dependencies on Unix-like tools
 442         under Win32, allowing the user to operate the compiler without
 443         having to install Cygwin toolchain (say). (You still need
 444         that toolchain to build GHC from sources though).
 445 ],
 446 [MinimalUnixDeps=YES],
 447 [MinimalUnixDeps=NO]
 448 )
 449 AC_SUBST(MinimalUnixDeps)
 450
 451 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 452 dnl --------------------------------------------------------------
 453 AC_ARG_ENABLE(hopengl,
 454 [  --enable-hopengl
 455         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 456         (This option is only relevant when hslibs are built.)
 457 ],
 458 [GhcLibsWithHOpenGL=YES],
 459 [GhcLibsWithHOpenGL=NO]
 460 )
 461 AC_SUBST(GhcLibsWithHOpenGL)
 462
 463 dnl ** Use a specific version of the GLUT API
 464 dnl --------------------------------------------------------------
 465 AC_ARG_WITH(glut-api,
 466 [  --with-glut-api=<version>
 467         Use a specific version of the GLUT API when building HOpenGL.
 468 ])
 469 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
 470
 471
 472 dnl ** Use a specific version of the GLUT API
 473 dnl --------------------------------------------------------------
 474 AC_ARG_WITH(glut-xlib,
 475 [  --with-glut-xlib=<version>
 476         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
 477 ])
 478 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
 479
 480
 481 dnl --------------------------------------------------------------
 482 dnl End of configure script option section
 483 dnl --------------------------------------------------------------
 484
 485
 486 dnl --------------------------------------------------------------
 487 dnl * General configuration checks
 488 dnl --------------------------------------------------------------
 489
 490 dnl ** does #! work?
 491 AC_SYS_INTERPRETER()
 492
 493 dnl ** look for `perl', but only in /bin on Windows
 494 case $HostOS_CPP in
 495 cygwin32|mingw32)
 496       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 497       if test -z "$PerlCmd"; then
 498          echo "You must install the version of Perl shipped with GHC"
 499          echo "(or a compatible one) in /bin."
 500          exit 1
 501       fi
 502    ;;
 503 *)
 504    AC_PATH_PROG(PerlCmd,perl)
 505    if test -z "$PerlCmd"; then
 506       echo "You must install perl before you can continue"
 507       echo "Perhaps it is already installed, but not in your PATH?"
 508       exit 1
 509    else
 510    FPTOOLS_CHECK_PERL_VERSION
 511    fi
 512    ;;
 513 esac
 514
 515 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 516 FPTOOLS_SHEBANG_PERL
 517
 518
 519 dnl ** look for GCC and find out which version
 520 dnl     Figure out which C compiler to use.  Gcc is preferred.
 521 dnl     If gcc, make sure it's at least 2.1
 522 dnl
 523 AC_PROG_CC
 524 FPTOOLS_HAVE_GCC
 525
 526 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 527 AC_PROG_CPP
 528 case $HostOS_CPP in
 529 mingw32)
 530    CPP="$CPP -mno-cygwin -mwin32"
 531    ;;
 532 esac
 533
 534 dnl ** figure out how to do context diffs
 535 FPTOOLS_PROG_DIFF
 536
 537 dnl ** Find find command (for Win32's benefit)
 538 AC_PATH_PROG(FindCmd, find)
 539
 540 dnl ** look for a decent parser generator (bison preferred)
 541 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 542 dnl  on the suitability of the 'yacc' returned.)
 543 FPTOOLS_PROG_YACCY
 544
 545 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 546 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 547 dnl    exists if 'flex' doesn't.
 548 AC_PROG_LEX_STRICT
 549
 550 dnl ** figure out how to do a BSD-ish install
 551 AC_PROG_INSTALL
 552
 553 dnl If you can run configure, you certainly have /bin/sh
 554 AC_DEFINE(HAVE_BIN_SH)
 555
 556 dnl ** how to invoke `ar' and `ranlib'
 557 FPTOOLS_PROG_AR_AND_RANLIB
 558
 559
 560 dnl ** Check to see whether ln -s works
 561 AC_PROG_LN_S
 562
 563
 564 dnl ** Find the path to sed
 565 AC_PATH_PROG(SedCmd,sed)
 566
 567
 568 dnl ** check for time command
 569 AC_PATH_PROG(TimeCmd,time)
 570
 571
 572 dnl ** check for tar
 573 dnl   if GNU tar is named gtar, look for it first.
 574 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 575
 576 dnl ** check for gzip/compress
 577 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 578
 579 dnl ** check for jade/openjade & determine a working catalog
 580 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 581 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 582                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl $hardtop/glafp-utils/docbook/CATALOG*)
 583 if test -z "$Catalog"; then
 584   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 585 fi
 586 AC_SUBST(Catalog)
 587
 588 compress_nm=`basename $CompressCmd`
 589 if test x"$compress_nm" = xgzip; then
 590   CompressCmd="$CompressCmd -d"
 591   CompressSuffix="gz"
 592 else
 593   CompressSuffix="Z"
 594 fi
 595 AC_SUBST(CompressCmd)
 596 AC_SUBST(CompressSuffix)
 597
 598 dnl ** check for installed happy binary + version
 599 dnl    (don't do it if we're booting from .hc files though.)
 600 if test "$BootingFromHc" = "NO"; then
 601 FPTOOLS_HAPPY
 602 fi;
 603
 604 dnl --------------------------------------------------
 605 dnl ### program checking section ends here ###
 606 dnl --------------------------------------------------
 607
 608 dnl --------------------------------------------------
 609 dnl * Platform header file and syscall feature tests
 610 dnl ### checking the state of the local header files and syscalls ###
 611
 612 dnl ** check for full ANSI header (.h) files
 613 AC_HEADER_STDC
 614
 615 dnl ** check for specific header (.h) files that we are interested in
 616 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h)
 617
 618 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 619 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
 620
 621 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 622   HaveReadlineHeaders=YES
 623   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 624 else
 625   HaveReadlineHeaders=NO
 626   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 627 fi
 628 AC_SUBST(HaveReadlineHeaders)
 629
 630 dnl ** check for DOS include files
 631 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 632
 633 dnl ** check for Windows include files
 634 AC_CHECK_HEADERS(windows.h)
 635
 636 dnl ** check for OpenGL include files
 637 AC_CHECK_HEADERS(GL/gl.h)
 638
 639 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 640 AC_HEADER_TIME
 641
 642 dnl dynamic loading include files
 643 AC_CHECK_HEADERS(dlfcn.h dl.h)
 644
 645 dnl ** check for farcalloc (in bcc)
 646 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 647
 648 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 649 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 650
 651 dnl ** how do we get a timezone name, and UTC offset ?
 652 AC_STRUCT_TIMEZONE
 653
 654 dnl ** what's the type of timezone?
 655 FPTOOLS_HAVE_TIMEZONE
 656 FPTOOLS_TYPE_TIMEZONE
 657
 658 dnl ** do we have altzone?
 659 FPTOOLS_ALTZONE
 660
 661 dnl ** does struct stat contain st_blksize?
 662 AC_STRUCT_ST_BLKSIZE
 663
 664 dnl ** do we have long longs?
 665 FPTOOLS_C_LONG_LONG
 666
 667 dnl ** what are the sizes of various types
 668 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 669 AC_CHECK_SIZEOF(char,               1)
 670 AC_CHECK_SIZEOF(double,             8)
 671 AC_CHECK_SIZEOF(float,              4)
 672 AC_CHECK_SIZEOF(int,                4)
 673 AC_CHECK_SIZEOF(long,               4)
 674 if test "$fptools_cv_have_long_long" = yes; then
 675 AC_CHECK_SIZEOF(long long,          8)
 676 fi
 677 AC_CHECK_SIZEOF(short,              2)
 678 AC_CHECK_SIZEOF(unsigned char,      1)
 679 AC_CHECK_SIZEOF(unsigned int,       4)
 680 AC_CHECK_SIZEOF(unsigned long,      4)
 681 if test "$fptools_cv_have_long_long" = yes; then
 682 AC_CHECK_SIZEOF(unsigned long long, 8)
 683 fi
 684 AC_CHECK_SIZEOF(unsigned short,     2)
 685 AC_CHECK_SIZEOF(void *,             4)
 686
 687 dnl ** what are alignment constraints on various types
 688 FPTOOLS_CHECK_ALIGNMENT(char)
 689 FPTOOLS_CHECK_ALIGNMENT(double)
 690 FPTOOLS_CHECK_ALIGNMENT(float)
 691 FPTOOLS_CHECK_ALIGNMENT(int)
 692 FPTOOLS_CHECK_ALIGNMENT(long)
 693 if test "$fptools_cv_have_long_long" = yes; then
 694 FPTOOLS_CHECK_ALIGNMENT(long long)
 695 fi
 696 FPTOOLS_CHECK_ALIGNMENT(short)
 697 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 698 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 699 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 700 if test "$fptools_cv_have_long_long" = yes; then
 701 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 702 fi
 703 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 704 FPTOOLS_CHECK_ALIGNMENT(void *)
 705
 706 dnl ** map standard C types and ISO types to Haskell types
 707 FPTOOLS_CHECK_HTYPE(char)
 708 FPTOOLS_CHECK_HTYPE(signed char)
 709 FPTOOLS_CHECK_HTYPE(unsigned char)
 710 FPTOOLS_CHECK_HTYPE(short)
 711 FPTOOLS_CHECK_HTYPE(unsigned short)
 712 FPTOOLS_CHECK_HTYPE(int)
 713 FPTOOLS_CHECK_HTYPE(unsigned int)
 714 FPTOOLS_CHECK_HTYPE(long)
 715 FPTOOLS_CHECK_HTYPE(unsigned long)
 716 if test "$fptools_cv_have_long_long" = yes; then
 717 FPTOOLS_CHECK_HTYPE(long long)
 718 FPTOOLS_CHECK_HTYPE(unsigned long long)
 719 fi
 720 FPTOOLS_CHECK_HTYPE(float)
 721 FPTOOLS_CHECK_HTYPE(double)
 722 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 723 FPTOOLS_CHECK_HTYPE(size_t)
 724 FPTOOLS_CHECK_HTYPE(wchar_t)
 725 dnl Int32 is a HACK for non-ISO C compilers
 726 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 727 FPTOOLS_CHECK_HTYPE(clock_t)
 728 FPTOOLS_CHECK_HTYPE(time_t)
 729
 730 dnl ** Map OpenGL data types to Haskell types
 731 if test $GhcLibsWithHOpenGL = YES ; then
 732 FPTOOLS_CHECK_HTYPE(GLboolean)
 733 FPTOOLS_CHECK_HTYPE(GLbyte)
 734 FPTOOLS_CHECK_HTYPE(GLubyte)
 735 FPTOOLS_CHECK_HTYPE(GLshort)
 736 FPTOOLS_CHECK_HTYPE(GLushort)
 737 FPTOOLS_CHECK_HTYPE(GLint)
 738 FPTOOLS_CHECK_HTYPE(GLuint)
 739 FPTOOLS_CHECK_HTYPE(GLsizei)
 740 FPTOOLS_CHECK_HTYPE(GLenum)
 741 FPTOOLS_CHECK_HTYPE(GLbitfield)
 742 FPTOOLS_CHECK_HTYPE(GLfloat)
 743 FPTOOLS_CHECK_HTYPE(GLclampf)
 744 FPTOOLS_CHECK_HTYPE(GLdouble)
 745 FPTOOLS_CHECK_HTYPE(GLclampd)
 746 fi
 747
 748 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 749
 750 dnl ** can we open files in binary mode?
 751 FPTOOLS_O_BINARY
 752
 753 dnl ** check for GetModuleFileName and WinExec (windows only)
 754 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 755 dnl Doesn't work because the linker can't see the functions if
 756 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 757
 758 FPTOOLS_TRY_LINK_NOWARN(,[
 759 #if HAVE_WINDOWS_H
 760 #include <windows.h>
 761 #endif
 762 main() {
 763   WinExec("",0);
 764   exit(0);
 765 }
 766 ],
 767 [have_winexec=1],
 768 [have_winexec=0])
 769 if test "$have_winexec" = "1"; then
 770 AC_DEFINE(HAVE_WINEXEC)
 771 fi
 772
 773 FPTOOLS_TRY_LINK_NOWARN(,[
 774 #if HAVE_WINDOWS_H
 775 #include <windows.h>
 776 #endif
 777 main() {
 778   char* dir;
 779   GetModuleFileName((HMODULE)0,dir,0);
 780   exit(0);
 781 }
 782 ],
 783 [have_getmodulefilename=1],
 784 [have_getmodulefilename=0])
 785 if test "$have_getmodulefilename" = "1"; then
 786 AC_DEFINE(HAVE_GETMODULEFILENAME)
 787 fi
 788
 789 dnl ** check return type of signal handlers
 790 dnl Foo: assumes we can use prototypes.
 791 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 792 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 793 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 794 dnl #include <signal.h>
 795 dnl #ifdef signal
 796 dnl #undef signal
 797 dnl #endif
 798 dnl void (*signal (int, void (*)(int)))(int);
 799 dnl ],
 800 dnl [int i;],
 801 dnl ac_cv_type_signal_handler=void_int,
 802 dnl ac_cv_type_signal_handler=int_void)])
 803 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 804 dnl AC_DEFINE(VOID_INT_SIGNALS)
 805 dnl fi
 806
 807 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 808 AC_TYPE_SIGNAL
 809 if test "$ac_cv_type_signal" = void; then
 810 AC_DEFINE(VOID_INT_SIGNALS)
 811 fi
 812
 813 dnl ** check for more functions
 814 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 815 AC_CHECK_FUNCS(strcmp)
 816 AC_CHECK_FUNCS(realpath _fullpath)
 817 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 818 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 819 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 820 AC_CHECK_FUNCS(snprintf  _snprintf )
 821 AC_CHECK_FUNCS(popen     _popen )
 822 AC_CHECK_FUNCS(pclose    _pclose )
 823
 824
 825 dnl ** check for specific library functions that we are interested in
 826 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
 827
 828 dnl ** check whether this machine has gmp3 installed
 829 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 830   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 831     HaveLibGmp=No; LibGmp=not-installed))
 832 AC_SUBST(HaveLibGmp)
 833 AC_SUBST(LibGmp)
 834
 835 dnl ** check whether this machine has GNU regex in libc.
 836 FPTOOLS_REGEX_IN_LIBC
 837
 838 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 839 dnl    the order of these tests matters: bfd needs liberty
 840 AC_CHECK_LIB(iberty, xmalloc)
 841 AC_CHECK_LIB(bfd,    bfd_init)
 842
 843 dnl ** check for readline, for Hugs and hslibs' Readline
 844 dnl ncurses supersedes termcap and curses, but for compatibility,
 845 dnl we have to check for all...
 846 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
 847   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
 848     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
 849       HaveLibTermcap=NO; LibTermcap=not-installed)))
 850
 851 if test $HaveLibTermcap = YES ; then
 852   LIBS="-l$LibTermcap $LIBS"
 853   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
 854 fi
 855
 856 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
 857   AC_DEFINE(HAVE_READLINE_LIBS,1)
 858   LibsReadline="readline $LibTermcap"
 859 else
 860   AC_DEFINE(HAVE_READLINE_LIBS,0)
 861   LibsReadline=
 862 fi
 863 AC_SUBST(LibsReadline)
 864
 865 if test "$HaveLibReadline"; then
 866   AC_CHECK_LIB(readline, rl_erase_empty_line,
 867     [AC_DEFINE(HAVE_READLINE_4, 1)],
 868     [AC_DEFINE(HAVE_READLINE_4, 0)])
 869   AC_CHECK_LIB(readline, rl_free_undo_list,
 870     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
 871     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
 872 else
 873   AC_DEFINE(HAVE_READLINE_4, 0)
 874   AC_DEFINE(HAVE_READLINE_4_2, 0)
 875 fi
 876
 877 dnl ** check for math library
 878 FPTOOLS_CHECK_LIBM()
 879 AC_SUBST(LIBM)
 880
 881 dnl ################################################################
 882 dnl Check for libraries
 883 dnl ################################################################
 884
 885 AC_CHECK_LIB(dl, dlopen,
 886         [HaveLibDL=YES
 887          AC_DEFINE(HAVE_LIBDL)
 888          LIBS="$LIBS -ldl"],
 889         [HaveLibDL=NO])
 890 AC_CHECK_FUNCS(dlopen)
 891 AC_SUBST(HaveLibDL)
 892
 893 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 894
 895 dnl --------------------------------------------------
 896 dnl * test for GTK+
 897 dnl --------------------------------------------------
 898
 899 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
 900 if test "$GTK_CONFIG" != ""; then
 901    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
 902         fptools_cv_gtk_version=`$GTK_CONFIG --version`
 903     ])
 904     GTK_VERSION=$fptools_cv_gtk_version
 905 else
 906     GTK_VERSION=
 907 fi
 908
 909 case $fptools_cv_gtk_version in
 910   1.[[23]].*) ;;
 911   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
 912      GTK_CONFIG=
 913      ;;
 914 esac
 915
 916 AC_SUBST(GTK_CONFIG)
 917 AC_SUBST(GTK_VERSION)
 918
 919 dnl --------------------------------------------------
 920 dnl * Miscellaneous feature tests
 921 dnl --------------------------------------------------
 922
 923 dnl ** can we get alloca?
 924 AC_FUNC_ALLOCA
 925
 926 dnl ** determine whether or not const works
 927 AC_C_CONST
 928
 929 dnl ** determine whether ANSI-function prototypes work?
 930 AC_C_PROTOTYPES
 931
 932 dnl ** are we big endian?
 933 AC_C_BIGENDIAN
 934 # Allay users' general fear of warnings of any kind.
 935 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
 936 )
 937
 938 dnl ** check for leading underscores in symbol names
 939 FPTOOLS_UNDERSCORE
 940
 941 dnl ** how is the end of text section signalled?
 942 FPTOOLS_END_TEXT_SECTION
 943
 944 dnl ** how is the end of data section signalled?
 945 FPTOOLS_END_DATA_SECTION
 946
 947 dnl ** code before data?
 948 FPTOOLS_CODE_BEFORE_DATA
 949
 950 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )