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"$srcdir" != 'x.' ; then
  34     echo "This configuration does not support the \`--srcdir' option.."
  35     exit 1
  36 fi
  37
  38 dnl--------------------------------------------------------------------
  39 dnl * Choose host(/target/build) platform
  40 dnl--------------------------------------------------------------------
  41
  42 dnl Guess host/target/build platform(s) if necessary.
  43 AC_CANONICAL_SYSTEM
  44
  45 # "$host" defaults to "$target"
  46 if test "x$host" = xNONE ; then
  47     host=$target
  48 fi
  49
  50 dnl ** canonicalize platform names
  51 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  52 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  53 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  54
  55 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  56     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  57     exit 1
  58 fi
  59
  60 exeext=''
  61 #
  62 # The following will be more difficult when we *are* cross-compiling.
  63 # Suitable names to slam in *_CPP are in platform.h.in.
  64 # We also record the architecture, vendor, and operating system (OS)
  65 # separately.
  66 case $HostPlatform in
  67 alpha*-dec-osf[[12]]*)
  68         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  69         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  70         BuildPlatform=alpha-dec-osf1  # hack
  71         HostPlatform_CPP='alpha_dec_osf1'
  72         HostArch_CPP='alpha'
  73         HostVendor_CPP='dec'
  74         HostOS_CPP='osf1'
  75         ;;
  76 alpha*-dec-osf[[345]]*)
  77         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  78         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  79         BuildPlatform=alpha-dec-osf3  # hack
  80         HostPlatform_CPP='alpha_dec_osf3'
  81         HostArch_CPP='alpha'
  82         HostVendor_CPP='dec'
  83         HostOS_CPP='osf3'
  84         ;;
  85 alpha*-unknown-linux)
  86         HostPlatform=alpha-unknown-linux
  87         TargetPlatform=alpha-unknown-linux
  88         BuildPlatform=alpha-unknown-linux
  89         HostPlatform_CPP='alpha_unknown_linux'
  90         HostArch_CPP='alpha'
  91         HostVendor_CPP='unknown'
  92         HostOS_CPP='linux'
  93         ;;
  94 alpha*-unknown-freebsd*)
  95         HostPlatform=alpha-unknown-freebsd
  96         TargetPlatform=alpha-unknown-freebsd
  97         BuildPlatform=alpha-unknown-freebsd
  98         HostPlatform_CPP='alpha_unknown_freebsd'
  99         HostArch_CPP='alpha'
 100         HostVendor_CPP='unknown'
 101         HostOS_CPP='freebsd'
 102         ;;
 103 hppa1.1-hp-hpux*)
 104         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 105         TargetPlatform=hppa1.1-hp-hpux
 106         BuildPlatform=hppa1.1-hp-hpux
 107         HostPlatform_CPP='hppa1_1_hp_hpux'
 108         HostArch_CPP='hppa1_1'
 109         HostVendor_CPP='hp'
 110         HostOS_CPP='hpux'
 111         ;;
 112 i[[3456]]86-*-linuxaout*)
 113         HostPlatform=i386-unknown-linuxaout   # hack again
 114         TargetPlatform=i386-unknown-linuxaout
 115         BuildPlatform=i386-unknown-linuxaout
 116         HostPlatform_CPP='i386_unknown_linuxaout'
 117         HostArch_CPP='i386'
 118         HostVendor_CPP='unknown'
 119         HostOS_CPP='linuxaout'
 120         ;;
 121 i[[3456]]86-*-linux*)
 122         HostPlatform=i386-unknown-linux # hack again
 123         TargetPlatform=i386-unknown-linux
 124         BuildPlatform=i386-unknown-linux
 125         HostPlatform_CPP='i386_unknown_linux'
 126         HostArch_CPP='i386'
 127         HostVendor_CPP='unknown'
 128         HostOS_CPP='linux'
 129         ;;
 130 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 131         HostPlatform=i386-unknown-freebsd # hack again
 132         TargetPlatform=i386-unknown-freebsd
 133         BuildPlatform=i386-unknown-freebsd
 134         HostPlatform_CPP='i386_unknown_freebsd'
 135         HostArch_CPP='i386'
 136         HostVendor_CPP='unknown'
 137         HostOS_CPP='freebsd'
 138         ;;
 139 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 140         HostPlatform=i386-unknown-freebsd2 # hack again
 141         TargetPlatform=i386-unknown-freebsd2
 142         BuildPlatform=i386-unknown-freebsd2
 143         HostPlatform_CPP='i386_unknown_freebsd2'
 144         HostArch_CPP='i386'
 145         HostVendor_CPP='unknown'
 146         HostOS_CPP='freebsd2'
 147         ;;
 148 i[[3456]]86-*-netbsd*)
 149         HostPlatform=i386-unknown-netbsd # hack again
 150         TargetPlatform=i386-unknown-netbsd
 151         BuildPlatform=i386-unknown-netbsd
 152         HostPlatform_CPP='i386_unknown_netbsd'
 153         HostArch_CPP='i386'
 154         HostVendor_CPP='unknown'
 155         HostOS_CPP='netbsd'
 156         ;;
 157 i[[3456]]86-*-openbsd*)
 158         HostPlatform=i386-unknown-openbsd # hack again
 159         TargetPlatform=i386-unknown-openbsd
 160         BuildPlatform=i386-unknown-openbsd
 161         HostPlatform_CPP='i386_unknown_openbsd'
 162         HostArch_CPP='i386'
 163         HostVendor_CPP='unknown'
 164         HostOS_CPP='openbsd'
 165         ;;
 166 i[[3456]]86-*-solaris2*)
 167         HostPlatform=i386-unknown-solaris2 # hack again
 168         TargetPlatform=i386-unknown-solaris2
 169         BuildPlatform=i386-unknown-solaris2
 170         HostPlatform_CPP='i386_unknown_solaris2'
 171         HostArch_CPP='i386'
 172         HostVendor_CPP='unknown'
 173         HostOS_CPP='solaris2'
 174         ;;
 175 i[[3456]]86-*-cygwin*)
 176         HostPlatform=i386-unknown-cygwin32 # hack again
 177         TargetPlatform=i386-unknown-cygwin32
 178         BuildPlatform=i386-unknown-cygwin32
 179         HostPlatform_CPP='i386_unknown_cygwin32'
 180         HostArch_CPP='i386'
 181         HostVendor_CPP='unknown'
 182         HostOS_CPP='cygwin32'
 183         exeext='.exe'
 184         ;;
 185 i[[3456]]86-*-mingw32*)
 186         HostPlatform=i386-unknown-mingw32 # hack again
 187         TargetPlatform=i386-unknown-mingw32
 188         BuildPlatform=i386-unknown-mingw32
 189         HostPlatform_CPP='i386_unknown_mingw32'
 190         HostArch_CPP='i386'
 191         HostVendor_CPP='unknown'
 192         HostOS_CPP='mingw32'
 193         exeext='.exe'
 194         ;;
 195 m68k-next-nextstep2)
 196         HostPlatform_CPP='m68k_next_nextstep2'
 197         HostArch_CPP='m68k'
 198         HostVendor_CPP='next'
 199         HostOS_CPP='nextstep2'
 200         ;;
 201 m68k-next-nextstep3)
 202         HostPlatform_CPP='m68k_next_nextstep3'
 203         HostArch_CPP='m68k'
 204         HostVendor_CPP='next'
 205         HostOS_CPP='nextstep3'
 206         ;;
 207 i[[3456]]86-next-nextstep3)
 208         HostPlatform=i386-next-nextstep3 # hack again
 209         TargetPlatform=i386-next-nextstep3
 210         BuildPlatform=i386-next-nextstep3
 211         HostPlatform_CPP='i386_next_nextstep3'
 212         HostArch_CPP='i386'
 213         HostVendor_CPP='next'
 214         HostOS_CPP='nextstep3'
 215         ;;
 216 m68k-sun-sunos4*)
 217         HostPlatform=m68k-sun-sunos4
 218         TargetPlatform=m68k-sun-sunos4 #hack
 219         BuildPlatform=m68k-sun-sunos4 #hack
 220         HostPlatform_CPP='m68k_sun_sunos4'
 221         HostArch_CPP='m68k'
 222         HostVendor_CPP='sun'
 223         HostOS_CPP='sunos4'
 224         ;;
 225 mips-dec-ultrix*)
 226         HostPlatform_CPP='mips_dec_ultrix'
 227         HostArch_CPP='mipsel'   # NB a little different
 228         HostVendor_CPP='dec'
 229         HostOS_CPP='ultrix'
 230         ;;
 231 mips-sgi-irix*)
 232         HostPlatform=mips-sgi-irix
 233         TargetPlatform=mips-sgi-irix #hack
 234         BuildPlatform=mips-sgi-irix #hack
 235         HostPlatform_CPP='mips_sgi_irix'
 236         HostArch_CPP='mipseb'   # NB a little different
 237         HostVendor_CPP='sgi'
 238         HostOS_CPP='irix'
 239         ;;
 240 rs6000-ibm-aix*)
 241         HostPlatform=rs6000-ibm-aix
 242         TargetPlatform=rs6000-ibm-aix #hack
 243         BuildPlatform=rs6000-ibm-aix #hack
 244         HostPlatform_CPP='rs6000_ibm_aix'
 245         HostArch_CPP='rs6000'
 246         HostVendor_CPP='ibm'
 247         HostOS_CPP='aix'
 248         ;;
 249 powerpc-ibm-aix*)
 250         HostPlatform=powerpc-ibm-aix
 251         TargetPlatform=powerpc-ibm-aix #hack
 252         BuildPlatform=powerpc-ibm-aix #hack
 253         HostPlatform_CPP='powerpc_ibm_aix'
 254         HostArch_CPP='powerpc'
 255         HostVendor_CPP='ibm'
 256         HostOS_CPP='aix'
 257         ;;
 258 powerpc-apple-macosx*)
 259       HostPlatform=powerpc-apple-macosx
 260       TargetPlatform=powerpc-apple-macosx #hack
 261       BuildPlatform=powerpc-apple-macosx #hack
 262         HostPlatform_CPP='powerpc_apple_macosx'
 263         HostArch_CPP='powerpc'
 264         HostVendor_CPP='apple'
 265         HostOS_CPP='macosx'
 266         ;;
 267 sparc-sun-sunos4*)
 268         HostPlatform=sparc-sun-sunos4
 269         TargetPlatform=sparc-sun-sunos4 #hack
 270         BuildPlatform=sparc-sun-sunos4 #hack
 271         HostPlatform_CPP='sparc_sun_sunos4'
 272         HostArch_CPP='sparc'
 273         HostVendor_CPP='sun'
 274         HostOS_CPP='sunos4'
 275         ;;
 276 sparc-sun-solaris2*)
 277         HostPlatform=sparc-sun-solaris2
 278         TargetPlatform=sparc-sun-solaris2 #hack
 279         BuildPlatform=sparc-sun-solaris2 #hack
 280         HostPlatform_CPP='sparc_sun_solaris2'
 281         HostArch_CPP='sparc'
 282         HostVendor_CPP='sun'
 283         HostOS_CPP='solaris2'
 284         ;;
 285 *)
 286         echo "Unrecognised platform: $HostPlatform"
 287         exit 1
 288         ;;
 289 esac
 290 echo "Canonicalised to: $HostPlatform"
 291 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 292 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 293
 294 BuildPlatform_CPP=$HostPlatform_CPP
 295 TargetPlatform_CPP=$HostPlatform_CPP
 296 BuildArch_CPP=$HostArch_CPP
 297 TargetArch_CPP=$HostArch_CPP
 298 BuildOS_CPP=$HostOS_CPP
 299 HostOS_Full=$host_os
 300 TargetOS_CPP=$HostOS_CPP
 301 BuildVendor_CPP=$HostVendor_CPP
 302 TargetVendor_CPP=$HostVendor_CPP
 303
 304 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 305 dnl AC_SUBST(BuildPlatform)
 306
 307 AC_SUBST(HostPlatform)
 308 AC_SUBST(TargetPlatform)
 309 AC_SUBST(HostPlatform_CPP)
 310 dnl AC_SUBST(BuildPlatform_CPP)
 311 dnl AC_SUBST(TargetPlatform_CPP)
 312
 313 AC_SUBST(HostArch_CPP)
 314 dnl AC_SUBST(BuildArch_CPP)
 315 dnl AC_SUBST(TargetArch_CPP)
 316
 317 AC_SUBST(HostOS_CPP)
 318 AC_SUBST(HostOS_Full)
 319 dnl AC_SUBST(BuildOS_CPP)
 320 dnl AC_SUBST(TargetOS_CPP)
 321
 322 AC_SUBST(HostVendor_CPP)
 323 dnl AC_SUBST(BuildVendor_CPP)
 324 dnl AC_SUBST(TargetVendor_CPP)
 325
 326 AC_SUBST(exeext)
 327
 328 #
 329 # Remove common automounter nonsense + convert from UNC to DOS style paths
 330 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
 331 #
 332 hardtop=`pwd`
 333 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
 334
 335 echo ''
 336 echo "*** The top of your build tree is: $hardtop"
 337 case $HostPlatform in
 338   i386-unknown-mingw32)
 339         hardtop_plat=`cygpath -w ${hardtop}`
 340         ;;
 341   i386-unknown-cygwin32)
 342         hardtop_plat=`cygpath -w ${hardtop}`
 343         ;;
 344   *)
 345         hardtop_plat=${hardtop}
 346         ;;
 347 esac
 348 AC_SUBST(hardtop)
 349 # The native format (i.e., right kind of slashes on a Win32 box).
 350 AC_SUBST(hardtop_plat)
 351
 352 dnl --------------------------------------------------------------
 353 dnl * Project specific configuration options
 354 dnl --------------------------------------------------------------
 355 dnl What follows is a bunch of options that can either be configured
 356 dnl through command line options to the configure script or by
 357 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 358 dnl use either is considered a Feature.
 359
 360 dnl ** What command to use to compile compiler sources ?
 361 dnl --------------------------------------------------------------
 362
 363 AC_ARG_WITH(ghc,
 364 [  --with-ghc=<haskell compiler>
 365         Use a command different from 'ghc' to compile GHC-specific Haskell code
 366             (including GHC itself).
 367 ],
 368 [ WithGhc="$withval" ],
 369 [
 370   if test "$GHC" = ""; then
 371     AC_PATH_PROG(GHC,ghc)
 372   fi
 373   WithGhc=$GHC
 374 ]
 375 )
 376 AC_SUBST(WithGhc)
 377
 378 AC_ARG_WITH(hc,
 379 [  --with-hc=<haskell compiler>
 380         Use a command different from 'ghc' to compile generic Haskell code.
 381 ],
 382 [WithHc="$withval"],
 383 [WithHc=$WithGhc]
 384 )
 385 AC_SUBST(WithHc)
 386
 387 if test "$WithGhc" != ""; then
 388   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 389   AC_SUBST(GhcVersion)dnl
 390   AC_SUBST(GhcMajVersion)dnl
 391   AC_SUBST(GhcMinVersion)dnl
 392   AC_SUBST(GhcPatchLevel)dnl
 393 fi
 394
 395 AC_PATH_PROGS(NHC,nhc nhc98)
 396 AC_PATH_PROG(HBC,hbc)
 397
 398 dnl ** Which gcc to use?
 399 dnl --------------------------------------------------------------
 400 AC_ARG_WITH(gcc,
 401 [  --with-gcc=<gcc command>
 402         Use a different command instead of 'gcc' for the GNU C compiler.
 403 ],
 404 [WhatGccIsCalled="$withval"
 405  CC="$withval"],
 406 [WhatGccIsCalled="gcc"]
 407 )
 408 AC_SUBST(WhatGccIsCalled)
 409
 410 dnl ** Booting from .hc files?
 411 dnl --------------------------------------------------------------
 412 AC_ARG_ENABLE(hc-boot,
 413 [  --enable-hc-boot
 414         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 415         (This option is mostly of interest to porters.)
 416 ],
 417 [BootingFromHc=YES],
 418 [BootingFromHc=NO]
 419 )
 420 AC_SUBST(BootingFromHc)
 421
 422 dnl ** Booting from unregisterised .hc files?
 423 dnl --------------------------------------------------------------
 424 AC_ARG_ENABLE(hc-boot-unregisterised,
 425 [  --enable-hc-boot-unregisterised
 426         With --enable-hc-boot, treat the intermediate .hc files as
 427         unregisterised rather than registerised code.
 428         (This option is mostly of interest to porters.)
 429 ],
 430 [BootingFromUnregisterisedHc=YES],
 431 [BootingFromUnregisterisedHc=NO]
 432 )
 433 AC_SUBST(BootingFromUnregisterisedHc)
 434
 435 if test "$BootingFromHc" = "NO"; then
 436 if test "$BootingFromUnregisterisedHc" = "YES"; then
 437 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 438 fi;
 439 fi;
 440
 441
 442 dnl ** Enable the construction of Win32 DLLs?
 443 dnl --------------------------------------------------------------
 444 AC_ARG_ENABLE(win32-dlls,
 445 [  --enable-win32-dlls
 446         If on a Win32 platform running mingw32/cygwin, enable the
 447         construction of DLLs containing ghc-compiled code.
 448 ],
 449 [
 450 case $HostOS_CPP in
 451 cygwin32) ;;
 452 mingw32)  ;;
 453 *)    echo "Unrecognised win32 platform: $HostPlatform"
 454       exit 1
 455       ;;
 456 esac
 457 EnableWin32DLLs=YES
 458 ],
 459 [EnableWin32DLLs=NO]
 460 )
 461 AC_SUBST(EnableWin32DLLs)
 462 if test x"$EnableWin32DLLs" = "xYES" ; then
 463  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 464 fi
 465
 466 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 467 dnl --------------------------------------------------------------
 468 AC_ARG_ENABLE(hopengl,
 469 [  --enable-hopengl
 470         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 471         (This option is only relevant when hslibs are built.)
 472 ],
 473 [GhcLibsWithHOpenGL=YES],
 474 [GhcLibsWithHOpenGL=NO]
 475 )
 476 AC_SUBST(GhcLibsWithHOpenGL)
 477
 478 dnl ** Use a specific version of the GLUT API
 479 dnl --------------------------------------------------------------
 480 AC_ARG_WITH(glut-api,
 481 [  --with-glut-api=<version>
 482         Use a specific version of the GLUT API when building HOpenGL.
 483 ])
 484 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
 485
 486
 487 dnl ** Use a specific version of the GLUT API
 488 dnl --------------------------------------------------------------
 489 AC_ARG_WITH(glut-xlib,
 490 [  --with-glut-xlib=<version>
 491         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
 492 ])
 493 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
 494
 495
 496
 497
 498 dnl --------------------------------------------------------------
 499 dnl End of configure script option section
 500 dnl --------------------------------------------------------------
 501
 502
 503 dnl --------------------------------------------------------------
 504 dnl * General configuration checks
 505 dnl --------------------------------------------------------------
 506
 507 dnl ** does #! work?
 508 AC_SYS_INTERPRETER()
 509
 510 dnl ** look for `perl', but only in /bin on Windows
 511 case $HostOS_CPP in
 512 cygwin32|mingw32)
 513       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 514       if test -z "$PerlCmd"; then
 515          echo "You must install the version of Perl shipped with GHC"
 516          echo "(or a compatible one) in /bin."
 517          exit 1
 518       fi
 519    ;;
 520 *)
 521    AC_PATH_PROG(PerlCmd,perl)
 522    if test -z "$PerlCmd"; then
 523       echo "You must install perl before you can continue"
 524       echo "Perhaps it is already installed, but not in your PATH?"
 525       exit 1
 526    else
 527    FPTOOLS_CHECK_PERL_VERSION
 528    fi
 529    ;;
 530 esac
 531
 532 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 533 FPTOOLS_SHEBANG_PERL
 534
 535 dnl ** look for GCC and find out which version
 536 dnl     Figure out which C compiler to use.  Gcc is preferred.
 537 dnl     If gcc, make sure it's at least 2.1
 538 dnl
 539 AC_PROG_CC
 540 FPTOOLS_HAVE_GCC
 541
 542 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 543 AC_PROG_CPP
 544
 545 dnl ** does the C compiler support the following options?
 546 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
 547 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 548
 549 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
 550 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
 551 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
 552 AC_SUBST(SRC_CC_OPTS)
 553
 554 dnl ** figure out how to do context diffs
 555 FPTOOLS_PROG_DIFF
 556
 557 dnl ** Find find command (for Win32's benefit)
 558 FPTOOLS_FIND_FIND
 559
 560 dnl ** look for a decent parser generator (bison preferred)
 561 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 562 dnl  on the suitability of the 'yacc' returned.)
 563 FPTOOLS_PROG_YACCY
 564
 565 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 566 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 567 dnl    exists if 'flex' doesn't.
 568 AC_PROG_LEX_STRICT
 569
 570 dnl ** figure out how to do a BSD-ish install
 571 AC_PROG_INSTALL
 572
 573 dnl If you can run configure, you certainly have /bin/sh
 574 AC_DEFINE(HAVE_BIN_SH)
 575
 576 dnl ** how to invoke `ar' and `ranlib'
 577 FPTOOLS_PROG_AR_AND_RANLIB
 578
 579
 580 dnl ** Check to see whether ln -s works
 581 AC_PROG_LN_S
 582
 583
 584 dnl ** Find the path to sed
 585 AC_PATH_PROG(SedCmd,sed)
 586
 587
 588 dnl ** check for time command
 589 AC_PATH_PROG(TimeCmd,time)
 590
 591
 592 dnl ** check for tar
 593 dnl   if GNU tar is named gtar, look for it first.
 594 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 595
 596 dnl ** check for gzip/compress
 597 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 598
 599 dnl ** check for jade/openjade & determine a working catalog
 600 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 601 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 602                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
 603 if test -z "$Catalog"; then
 604   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 605 fi
 606 case $Catalog in
 607    glafp*)
 608         case $HostOS_CPP in
 609            mingw32)
 610               Catalog=`cygpath -w $hardtop/$Catalog`
 611               ;;
 612            *) Catalog=$hardtop/$Catalog
 613               ;;
 614         esac
 615    ;;
 616 esac
 617 AC_SUBST(Catalog)
 618
 619 compress_nm=`basename $CompressCmd`
 620 if test x"$compress_nm" = xgzip; then
 621   CompressCmd="$CompressCmd -d"
 622   CompressSuffix="gz"
 623 else
 624   CompressSuffix="Z"
 625 fi
 626 AC_SUBST(CompressCmd)
 627 AC_SUBST(CompressSuffix)
 628
 629 dnl ** check for installed happy binary + version
 630 dnl    (don't do it if we're booting from .hc files though.)
 631 if test "$BootingFromHc" = "NO"; then
 632 FPTOOLS_HAPPY
 633 fi;
 634
 635 dnl --------------------------------------------------
 636 dnl ### program checking section ends here ###
 637 dnl --------------------------------------------------
 638
 639 dnl --------------------------------------------------
 640 dnl * Platform header file and syscall feature tests
 641 dnl ### checking the state of the local header files and syscalls ###
 642
 643 dnl ** check for full ANSI header (.h) files
 644 AC_HEADER_STDC
 645
 646 dnl ** check for specific header (.h) files that we are interested in
 647 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 limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.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)
 648
 649 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 650 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
 651
 652 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 653   HaveReadlineHeaders=YES
 654   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 655 else
 656   HaveReadlineHeaders=NO
 657   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 658 fi
 659 AC_SUBST(HaveReadlineHeaders)
 660
 661 dnl ** check for DOS include files
 662 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 663
 664 dnl ** check for Windows include files
 665 AC_CHECK_HEADERS(windows.h)
 666
 667 dnl ** check for OpenGL include files
 668 AC_CHECK_HEADERS(GL/gl.h)
 669
 670 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 671 AC_HEADER_TIME
 672
 673 dnl dynamic loading include files
 674 AC_CHECK_HEADERS(dlfcn.h dl.h)
 675
 676 dnl ** check for farcalloc (in bcc)
 677 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 678
 679 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 680 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 681
 682 dnl ** how do we get a timezone name, and UTC offset ?
 683 AC_STRUCT_TIMEZONE
 684
 685 dnl ** what's the type of timezone?
 686 FPTOOLS_HAVE_TIMEZONE
 687 FPTOOLS_TYPE_TIMEZONE
 688
 689 dnl ** do we have altzone?
 690 FPTOOLS_ALTZONE
 691
 692 dnl ** does struct stat contain st_blksize?
 693 AC_STRUCT_ST_BLKSIZE
 694
 695 dnl ** do we have long longs?
 696 FPTOOLS_C_LONG_LONG
 697
 698 dnl ** what are the sizes of various types
 699 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 700 AC_CHECK_SIZEOF(char,               1)
 701 AC_CHECK_SIZEOF(double,             8)
 702 AC_CHECK_SIZEOF(float,              4)
 703 AC_CHECK_SIZEOF(int,                4)
 704 AC_CHECK_SIZEOF(long,               4)
 705 if test "$fptools_cv_have_long_long" = yes; then
 706 AC_CHECK_SIZEOF(long long,          8)
 707 fi
 708 AC_CHECK_SIZEOF(short,              2)
 709 AC_CHECK_SIZEOF(unsigned char,      1)
 710 AC_CHECK_SIZEOF(unsigned int,       4)
 711 AC_CHECK_SIZEOF(unsigned long,      4)
 712 if test "$fptools_cv_have_long_long" = yes; then
 713 AC_CHECK_SIZEOF(unsigned long long, 8)
 714 fi
 715 AC_CHECK_SIZEOF(unsigned short,     2)
 716 AC_CHECK_SIZEOF(void *,             4)
 717
 718 dnl ** what are alignment constraints on various types
 719 FPTOOLS_CHECK_ALIGNMENT(char)
 720 FPTOOLS_CHECK_ALIGNMENT(double)
 721 FPTOOLS_CHECK_ALIGNMENT(float)
 722 FPTOOLS_CHECK_ALIGNMENT(int)
 723 FPTOOLS_CHECK_ALIGNMENT(long)
 724 if test "$fptools_cv_have_long_long" = yes; then
 725 FPTOOLS_CHECK_ALIGNMENT(long long)
 726 fi
 727 FPTOOLS_CHECK_ALIGNMENT(short)
 728 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 729 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 730 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 731 if test "$fptools_cv_have_long_long" = yes; then
 732 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 733 fi
 734 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 735 FPTOOLS_CHECK_ALIGNMENT(void *)
 736
 737 dnl ** map standard C types and ISO types to Haskell types
 738 FPTOOLS_CHECK_HTYPE(char)
 739 FPTOOLS_CHECK_HTYPE(signed char)
 740 FPTOOLS_CHECK_HTYPE(unsigned char)
 741 FPTOOLS_CHECK_HTYPE(short)
 742 FPTOOLS_CHECK_HTYPE(unsigned short)
 743 FPTOOLS_CHECK_HTYPE(int)
 744 FPTOOLS_CHECK_HTYPE(unsigned int)
 745 FPTOOLS_CHECK_HTYPE(long)
 746 FPTOOLS_CHECK_HTYPE(unsigned long)
 747 if test "$fptools_cv_have_long_long" = yes; then
 748 FPTOOLS_CHECK_HTYPE(long long)
 749 FPTOOLS_CHECK_HTYPE(unsigned long long)
 750 fi
 751 FPTOOLS_CHECK_HTYPE(float)
 752 FPTOOLS_CHECK_HTYPE(double)
 753 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 754 FPTOOLS_CHECK_HTYPE(size_t)
 755 FPTOOLS_CHECK_HTYPE(wchar_t)
 756 dnl Int32 is a HACK for non-ISO C compilers
 757 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 758 FPTOOLS_CHECK_HTYPE(clock_t)
 759 FPTOOLS_CHECK_HTYPE(time_t)
 760
 761 dnl ** Map OpenGL data types to Haskell types
 762 if test $GhcLibsWithHOpenGL = YES ; then
 763 FPTOOLS_CHECK_HTYPE(GLboolean)
 764 FPTOOLS_CHECK_HTYPE(GLbyte)
 765 FPTOOLS_CHECK_HTYPE(GLubyte)
 766 FPTOOLS_CHECK_HTYPE(GLshort)
 767 FPTOOLS_CHECK_HTYPE(GLushort)
 768 FPTOOLS_CHECK_HTYPE(GLint)
 769 FPTOOLS_CHECK_HTYPE(GLuint)
 770 FPTOOLS_CHECK_HTYPE(GLsizei)
 771 FPTOOLS_CHECK_HTYPE(GLenum)
 772 FPTOOLS_CHECK_HTYPE(GLbitfield)
 773 FPTOOLS_CHECK_HTYPE(GLfloat)
 774 FPTOOLS_CHECK_HTYPE(GLclampf)
 775 FPTOOLS_CHECK_HTYPE(GLdouble)
 776 FPTOOLS_CHECK_HTYPE(GLclampd)
 777 fi
 778
 779 dnl ** can we open files in binary mode?
 780 FPTOOLS_O_BINARY
 781
 782 dnl ** check for GetModuleFileName and WinExec (windows only)
 783 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 784 dnl Doesn't work because the linker can't see the functions if
 785 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 786
 787 FPTOOLS_TRY_LINK_NOWARN(,[
 788 #if HAVE_WINDOWS_H
 789 #include <windows.h>
 790 #endif
 791 main() {
 792   WinExec("",0);
 793   exit(0);
 794 }
 795 ],
 796 [have_winexec=1],
 797 [have_winexec=0])
 798 if test "$have_winexec" = "1"; then
 799 AC_DEFINE(HAVE_WINEXEC)
 800 fi
 801
 802 FPTOOLS_TRY_LINK_NOWARN(,[
 803 #if HAVE_WINDOWS_H
 804 #include <windows.h>
 805 #endif
 806 main() {
 807   char* dir;
 808   GetModuleFileName((HMODULE)0,dir,0);
 809   exit(0);
 810 }
 811 ],
 812 [have_getmodulefilename=1],
 813 [have_getmodulefilename=0])
 814 if test "$have_getmodulefilename" = "1"; then
 815 AC_DEFINE(HAVE_GETMODULEFILENAME)
 816 fi
 817
 818 dnl ** check return type of signal handlers
 819 dnl Foo: assumes we can use prototypes.
 820 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 821 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 822 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 823 dnl #include <signal.h>
 824 dnl #ifdef signal
 825 dnl #undef signal
 826 dnl #endif
 827 dnl void (*signal (int, void (*)(int)))(int);
 828 dnl ],
 829 dnl [int i;],
 830 dnl ac_cv_type_signal_handler=void_int,
 831 dnl ac_cv_type_signal_handler=int_void)])
 832 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 833 dnl AC_DEFINE(VOID_INT_SIGNALS)
 834 dnl fi
 835
 836 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 837 AC_TYPE_SIGNAL
 838 if test "$ac_cv_type_signal" = void; then
 839 AC_DEFINE(VOID_INT_SIGNALS)
 840 fi
 841
 842 dnl ** check for more functions
 843 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 844 AC_CHECK_FUNCS(strcmp)
 845 AC_CHECK_FUNCS(realpath _fullpath)
 846 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 847 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 848 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 849 AC_CHECK_FUNCS(snprintf  _snprintf )
 850 AC_CHECK_FUNCS(popen     _popen )
 851 AC_CHECK_FUNCS(pclose    _pclose )
 852
 853
 854 dnl ** check for specific library functions that we are interested in
 855 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r)
 856
 857 dnl ** check whether this machine has gmp3 installed
 858 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 859   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 860     HaveLibGmp=No; LibGmp=not-installed))
 861 AC_SUBST(HaveLibGmp)
 862 AC_SUBST(LibGmp)
 863
 864 dnl ** check whether this machine has GNU regex in libc.
 865 FPTOOLS_REGEX_IN_LIBC
 866
 867 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 868 dnl    the order of these tests matters: bfd needs liberty
 869 AC_CHECK_LIB(iberty, xmalloc)
 870 AC_CHECK_LIB(bfd,    bfd_init)
 871
 872 dnl ** check for readline, for Hugs and hslibs' Readline
 873 dnl ncurses supersedes termcap and curses, but for compatibility,
 874 dnl we have to check for all...
 875 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
 876   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
 877     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
 878       HaveLibTermcap=NO; LibTermcap=not-installed)))
 879
 880 if test $HaveLibTermcap = YES ; then
 881   LIBS="-l$LibTermcap $LIBS"
 882   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
 883 fi
 884
 885 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
 886   AC_DEFINE(HAVE_READLINE_LIBS,1)
 887   LibsReadline="readline $LibTermcap"
 888 else
 889   AC_DEFINE(HAVE_READLINE_LIBS,0)
 890   LibsReadline=
 891 fi
 892 AC_SUBST(LibsReadline)
 893
 894 if test "$HaveLibReadline"; then
 895   AC_CHECK_LIB(readline, rl_erase_empty_line,
 896     [AC_DEFINE(HAVE_READLINE_4, 1)],
 897     [AC_DEFINE(HAVE_READLINE_4, 0)])
 898   AC_CHECK_LIB(readline, rl_free_undo_list,
 899     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
 900     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
 901 else
 902   AC_DEFINE(HAVE_READLINE_4, 0)
 903   AC_DEFINE(HAVE_READLINE_4_2, 0)
 904 fi
 905
 906 dnl ** check for math library
 907 FPTOOLS_CHECK_LIBM()
 908 AC_SUBST(LIBM)
 909
 910 case $HostOS_CPP in
 911 cygwin32) ;;
 912 mingw32)  ;;
 913 *) AC_PATH_XTRA() ;;
 914 esac
 915
 916 dnl ################################################################
 917 dnl Check for libraries
 918 dnl ################################################################
 919
 920 AC_CHECK_LIB(dl, dlopen,
 921         [HaveLibDL=YES
 922          AC_DEFINE(HAVE_LIBDL)
 923          LIBS="$LIBS -ldl"],
 924         [HaveLibDL=NO])
 925 AC_CHECK_FUNCS(dlopen)
 926 AC_SUBST(HaveLibDL)
 927
 928 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 929
 930 dnl --------------------------------------------------
 931 dnl * test for GTK+
 932 dnl --------------------------------------------------
 933
 934 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
 935 if test "$GTK_CONFIG" != ""; then
 936    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
 937         fptools_cv_gtk_version=`$GTK_CONFIG --version`
 938     ])
 939     GTK_VERSION=$fptools_cv_gtk_version
 940 else
 941     GTK_VERSION=
 942 fi
 943
 944 case $fptools_cv_gtk_version in
 945   1.[[23]].*) ;;
 946   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
 947      GTK_CONFIG=
 948      ;;
 949 esac
 950
 951 AC_SUBST(GTK_CONFIG)
 952 AC_SUBST(GTK_VERSION)
 953
 954 dnl --------------------------------------------------
 955 dnl * Miscellaneous feature tests
 956 dnl --------------------------------------------------
 957
 958 dnl ** can we get alloca?
 959 AC_FUNC_ALLOCA
 960
 961 dnl ** determine whether or not const works
 962 AC_C_CONST
 963
 964 dnl ** determine whether ANSI-function prototypes work?
 965 AC_C_PROTOTYPES
 966
 967 dnl ** are we big endian?
 968 AC_C_BIGENDIAN
 969 # Allay users' general fear of warnings of any kind.
 970 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
 971 )
 972 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
 973 )
 974
 975 dnl ** check for leading underscores in symbol names
 976 FPTOOLS_UNDERSCORE
 977
 978 dnl ** how is the end of text section signalled?
 979 FPTOOLS_END_TEXT_SECTION
 980
 981 dnl ** how is the end of data section signalled?
 982 FPTOOLS_END_DATA_SECTION
 983
 984 dnl ** code before data?
 985 FPTOOLS_CODE_BEFORE_DATA
 986
 987 dnl ** check for ld, and whether ld has -x option
 988 AC_PATH_PROG(LdCmd, ld)
 989 FPTOOLS_LD_X
 990
 991 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )