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: $hardtop"
  47 AC_SUBST(hardtop)
  48
  49
  50 dnl--------------------------------------------------------------------
  51 dnl * Choose host(/target/build) platform
  52 dnl--------------------------------------------------------------------
  53
  54 dnl Guess host/target/build platform(s) if necessary.
  55 AC_CANONICAL_SYSTEM
  56
  57 # "$host" defaults to "$target"
  58 if test "x$host" = xNONE ; then
  59     host=$target
  60 fi
  61
  62 dnl ** canonicalize platform names
  63 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  64 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  65 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  66
  67 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  68     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  69     exit 1
  70 fi
  71
  72 exeext=''
  73 #
  74 # The following will be more difficult when we *are* cross-compiling.
  75 # Suitable names to slam in *_CPP are in platform.h.in.
  76 # We also record the architecture, vendor, and operating system (OS)
  77 # separately.
  78 case $HostPlatform in
  79 alpha*-dec-osf[[12]]*)
  80         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  81         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  82         BuildPlatform=alpha-dec-osf1  # hack
  83         HostPlatform_CPP='alpha_dec_osf1'
  84         HostArch_CPP='alpha'
  85         HostVendor_CPP='dec'
  86         HostOS_CPP='osf1'
  87         ;;
  88 alpha*-dec-osf[[345]]*)
  89         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  90         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  91         BuildPlatform=alpha-dec-osf3  # hack
  92         HostPlatform_CPP='alpha_dec_osf3'
  93         HostArch_CPP='alpha'
  94         HostVendor_CPP='dec'
  95         HostOS_CPP='osf3'
  96         ;;
  97 alpha*-unknown-linux)
  98         HostPlatform=alpha-unknown-linux
  99         TargetPlatform=alpha-unknown-linux
 100         BuildPlatform=alpha-unknown-linux
 101         HostPlatform_CPP='alpha_unknown_linux'
 102         HostArch_CPP='alpha'
 103         HostVendor_CPP='unknown'
 104         HostOS_CPP='linux'
 105         ;;
 106 alpha*-unknown-freebsd*)
 107         HostPlatform=alpha-unknown-freebsd
 108         TargetPlatform=alpha-unknown-freebsd
 109         BuildPlatform=alpha-unknown-freebsd
 110         HostPlatform_CPP='alpha_unknown_freebsd'
 111         HostArch_CPP='alpha'
 112         HostVendor_CPP='unknown'
 113         HostOS_CPP='freebsd'
 114         ;;
 115 hppa1.1-hp-hpux*)
 116         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 117         TargetPlatform=hppa1.1-hp-hpux
 118         BuildPlatform=hppa1.1-hp-hpux
 119         HostPlatform_CPP='hppa1_1_hp_hpux'
 120         HostArch_CPP='hppa1_1'
 121         HostVendor_CPP='hp'
 122         HostOS_CPP='hpux'
 123         ;;
 124 i[[3456]]86-*-linuxaout*)
 125         HostPlatform=i386-unknown-linuxaout   # hack again
 126         TargetPlatform=i386-unknown-linuxaout
 127         BuildPlatform=i386-unknown-linuxaout
 128         HostPlatform_CPP='i386_unknown_linuxaout'
 129         HostArch_CPP='i386'
 130         HostVendor_CPP='unknown'
 131         HostOS_CPP='linuxaout'
 132         ;;
 133 i[[3456]]86-*-linux*)
 134         HostPlatform=i386-unknown-linux # hack again
 135         TargetPlatform=i386-unknown-linux
 136         BuildPlatform=i386-unknown-linux
 137         HostPlatform_CPP='i386_unknown_linux'
 138         HostArch_CPP='i386'
 139         HostVendor_CPP='unknown'
 140         HostOS_CPP='linux'
 141         ;;
 142 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 143         HostPlatform=i386-unknown-freebsd # hack again
 144         TargetPlatform=i386-unknown-freebsd
 145         BuildPlatform=i386-unknown-freebsd
 146         HostPlatform_CPP='i386_unknown_freebsd'
 147         HostArch_CPP='i386'
 148         HostVendor_CPP='unknown'
 149         HostOS_CPP='freebsd'
 150         ;;
 151 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 152         HostPlatform=i386-unknown-freebsd2 # hack again
 153         TargetPlatform=i386-unknown-freebsd2
 154         BuildPlatform=i386-unknown-freebsd2
 155         HostPlatform_CPP='i386_unknown_freebsd2'
 156         HostArch_CPP='i386'
 157         HostVendor_CPP='unknown'
 158         HostOS_CPP='freebsd2'
 159         ;;
 160 i[[3456]]86-*-netbsd*)
 161         HostPlatform=i386-unknown-netbsd # hack again
 162         TargetPlatform=i386-unknown-netbsd
 163         BuildPlatform=i386-unknown-netbsd
 164         HostPlatform_CPP='i386_unknown_netbsd'
 165         HostArch_CPP='i386'
 166         HostVendor_CPP='unknown'
 167         HostOS_CPP='netbsd'
 168         ;;
 169 i[[3456]]86-*-openbsd*)
 170         HostPlatform=i386-unknown-openbsd # hack again
 171         TargetPlatform=i386-unknown-openbsd
 172         BuildPlatform=i386-unknown-openbsd
 173         HostPlatform_CPP='i386_unknown_openbsd'
 174         HostArch_CPP='i386'
 175         HostVendor_CPP='unknown'
 176         HostOS_CPP='openbsd'
 177         ;;
 178 i[[3456]]86-*-solaris2*)
 179         HostPlatform=i386-unknown-solaris2 # hack again
 180         TargetPlatform=i386-unknown-solaris2
 181         BuildPlatform=i386-unknown-solaris2
 182         HostPlatform_CPP='i386_unknown_solaris2'
 183         HostArch_CPP='i386'
 184         HostVendor_CPP='unknown'
 185         HostOS_CPP='solaris2'
 186         ;;
 187 i[[3456]]86-*-cygwin*)
 188         HostPlatform=i386-unknown-cygwin32 # hack again
 189         TargetPlatform=i386-unknown-cygwin32
 190         BuildPlatform=i386-unknown-cygwin32
 191         HostPlatform_CPP='i386_unknown_cygwin32'
 192         HostArch_CPP='i386'
 193         HostVendor_CPP='unknown'
 194         HostOS_CPP='cygwin32'
 195         exeext='.exe'
 196         ;;
 197 i[[3456]]86-*-mingw32*)
 198         HostPlatform=i386-unknown-mingw32 # hack again
 199         TargetPlatform=i386-unknown-mingw32
 200         BuildPlatform=i386-unknown-mingw32
 201         HostPlatform_CPP='i386_unknown_mingw32'
 202         HostArch_CPP='i386'
 203         HostVendor_CPP='unknown'
 204         HostOS_CPP='mingw32'
 205         exeext='.exe'
 206         ;;
 207 m68k-next-nextstep2)
 208         HostPlatform_CPP='m68k_next_nextstep2'
 209         HostArch_CPP='m68k'
 210         HostVendor_CPP='next'
 211         HostOS_CPP='nextstep2'
 212         ;;
 213 m68k-next-nextstep3)
 214         HostPlatform_CPP='m68k_next_nextstep3'
 215         HostArch_CPP='m68k'
 216         HostVendor_CPP='next'
 217         HostOS_CPP='nextstep3'
 218         ;;
 219 i[[3456]]86-next-nextstep3)
 220         HostPlatform=i386-next-nextstep3 # hack again
 221         TargetPlatform=i386-next-nextstep3
 222         BuildPlatform=i386-next-nextstep3
 223         HostPlatform_CPP='i386_next_nextstep3'
 224         HostArch_CPP='i386'
 225         HostVendor_CPP='next'
 226         HostOS_CPP='nextstep3'
 227         ;;
 228 m68k-sun-sunos4*)
 229         HostPlatform=m68k-sun-sunos4
 230         TargetPlatform=m68k-sun-sunos4 #hack
 231         BuildPlatform=m68k-sun-sunos4 #hack
 232         HostPlatform_CPP='m68k_sun_sunos4'
 233         HostArch_CPP='m68k'
 234         HostVendor_CPP='sun'
 235         HostOS_CPP='sunos4'
 236         ;;
 237 mips-dec-ultrix*)
 238         HostPlatform_CPP='mips_dec_ultrix'
 239         HostArch_CPP='mipsel'   # NB a little different
 240         HostVendor_CPP='dec'
 241         HostOS_CPP='ultrix'
 242         ;;
 243 mips-sgi-irix*)
 244         HostPlatform=mips-sgi-irix
 245         TargetPlatform=mips-sgi-irix #hack
 246         BuildPlatform=mips-sgi-irix #hack
 247         HostPlatform_CPP='mips_sgi_irix'
 248         HostArch_CPP='mipseb'   # NB a little different
 249         HostVendor_CPP='sgi'
 250         HostOS_CPP='irix'
 251         ;;
 252 rs6000-ibm-aix*)
 253         HostPlatform=rs6000-ibm-aix
 254         TargetPlatform=rs6000-ibm-aix #hack
 255         BuildPlatform=rs6000-ibm-aix #hack
 256         HostPlatform_CPP='rs6000_ibm_aix'
 257         HostArch_CPP='rs6000'
 258         HostVendor_CPP='ibm'
 259         HostOS_CPP='aix'
 260         ;;
 261 powerpc-ibm-aix*)
 262         HostPlatform=powerpc-ibm-aix
 263         TargetPlatform=powerpc-ibm-aix #hack
 264         BuildPlatform=powerpc-ibm-aix #hack
 265         HostPlatform_CPP='powerpc_ibm_aix'
 266         HostArch_CPP='powerpc'
 267         HostVendor_CPP='ibm'
 268         HostOS_CPP='aix'
 269         ;;
 270 powerpc-apple-macosx*)
 271       HostPlatform=powerpc-apple-macosx
 272       TargetPlatform=powerpc-apple-macosx #hack
 273       BuildPlatform=powerpc-apple-macosx #hack
 274         HostPlatform_CPP='powerpc_apple_macosx'
 275         HostArch_CPP='powerpc'
 276         HostVendor_CPP='apple'
 277         HostOS_CPP='macosx'
 278         ;;
 279 sparc-sun-sunos4*)
 280         HostPlatform=sparc-sun-sunos4
 281         TargetPlatform=sparc-sun-sunos4 #hack
 282         BuildPlatform=sparc-sun-sunos4 #hack
 283         HostPlatform_CPP='sparc_sun_sunos4'
 284         HostArch_CPP='sparc'
 285         HostVendor_CPP='sun'
 286         HostOS_CPP='sunos4'
 287         ;;
 288 sparc-sun-solaris2*)
 289         HostPlatform=sparc-sun-solaris2
 290         TargetPlatform=sparc-sun-solaris2 #hack
 291         BuildPlatform=sparc-sun-solaris2 #hack
 292         HostPlatform_CPP='sparc_sun_solaris2'
 293         HostArch_CPP='sparc'
 294         HostVendor_CPP='sun'
 295         HostOS_CPP='solaris2'
 296         ;;
 297 *)
 298         echo "Unrecognised platform: $HostPlatform"
 299         exit 1
 300         ;;
 301 esac
 302 echo "Canonicalised to: $HostPlatform"
 303 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 304 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 305
 306 BuildPlatform_CPP=$HostPlatform_CPP
 307 TargetPlatform_CPP=$HostPlatform_CPP
 308 BuildArch_CPP=$HostArch_CPP
 309 TargetArch_CPP=$HostArch_CPP
 310 BuildOS_CPP=$HostOS_CPP
 311 HostOS_Full=$host_os
 312 TargetOS_CPP=$HostOS_CPP
 313 BuildVendor_CPP=$HostVendor_CPP
 314 TargetVendor_CPP=$HostVendor_CPP
 315
 316 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 317 dnl AC_SUBST(BuildPlatform)
 318
 319 AC_SUBST(HostPlatform)
 320 AC_SUBST(TargetPlatform)
 321 AC_SUBST(HostPlatform_CPP)
 322 dnl AC_SUBST(BuildPlatform_CPP)
 323 dnl AC_SUBST(TargetPlatform_CPP)
 324
 325 AC_SUBST(HostArch_CPP)
 326 dnl AC_SUBST(BuildArch_CPP)
 327 dnl AC_SUBST(TargetArch_CPP)
 328
 329 AC_SUBST(HostOS_CPP)
 330 AC_SUBST(HostOS_Full)
 331 dnl AC_SUBST(BuildOS_CPP)
 332 dnl AC_SUBST(TargetOS_CPP)
 333
 334 AC_SUBST(HostVendor_CPP)
 335 dnl AC_SUBST(BuildVendor_CPP)
 336 dnl AC_SUBST(TargetVendor_CPP)
 337
 338 AC_SUBST(exeext)
 339
 340 #
 341 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
 342 #
 343 case $HostPlatform in
 344   i386-unknown-mingw32)
 345         hardtop_plat=`cygpath -w ${hardtop}`
 346         ;;
 347   i386-unknown-cygwin32)
 348         hardtop_plat=`cygpath -w ${hardtop}`
 349         ;;
 350   *)
 351         hardtop_plat=${hardtop}
 352         ;;
 353 esac
 354 AC_SUBST(hardtop_plat)
 355
 356 dnl --------------------------------------------------------------
 357 dnl * Project specific configuration options
 358 dnl --------------------------------------------------------------
 359 dnl What follows is a bunch of options that can either be configured
 360 dnl through command line options to the configure script or by
 361 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 362 dnl use either is considered a Feature.
 363
 364 dnl ** What command to use to compile compiler sources ?
 365 dnl --------------------------------------------------------------
 366
 367 AC_ARG_WITH(ghc,
 368 [  --with-ghc=<haskell compiler>
 369         Use a command different from 'ghc' to compile GHC-specific Haskell code
 370             (including GHC itself).
 371 ],
 372 [ WithGhc="$withval" ],
 373 [
 374   if test "$GHC" = ""; then
 375     AC_PATH_PROG(GHC,ghc)
 376   fi
 377   WithGhc=$GHC
 378 ]
 379 )
 380 AC_SUBST(WithGhc)
 381
 382 AC_ARG_WITH(hc,
 383 [  --with-hc=<haskell compiler>
 384         Use a command different from 'ghc' to compile generic Haskell code.
 385 ],
 386 [WithHc="$withval"],
 387 [WithHc=$WithGhc]
 388 )
 389 AC_SUBST(WithHc)
 390
 391 if test "$WithGhc" != ""; then
 392   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 393   AC_SUBST(GhcVersion)dnl
 394   AC_SUBST(GhcMajVersion)dnl
 395   AC_SUBST(GhcMinVersion)dnl
 396   AC_SUBST(GhcPatchLevel)dnl
 397 fi
 398
 399 AC_PATH_PROGS(NHC,nhc nhc98)
 400 AC_PATH_PROG(HBC,hbc)
 401
 402 dnl ** Which gcc to use?
 403 dnl --------------------------------------------------------------
 404 AC_ARG_WITH(gcc,
 405 [  --with-gcc=<gcc command>
 406         Use a different command instead of 'gcc' for the GNU C compiler.
 407 ],
 408 [WhatGccIsCalled="$withval"
 409  CC="$withval"],
 410 [WhatGccIsCalled="gcc"]
 411 )
 412 AC_SUBST(WhatGccIsCalled)
 413
 414 dnl ** Booting from .hc files?
 415 dnl --------------------------------------------------------------
 416 AC_ARG_ENABLE(hc-boot,
 417 [  --enable-hc-boot
 418         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 419         (This option is mostly of interest to porters.)
 420 ],
 421 [BootingFromHc=YES],
 422 [BootingFromHc=NO]
 423 )
 424 AC_SUBST(BootingFromHc)
 425
 426 dnl ** Booting from unregisterised .hc files?
 427 dnl --------------------------------------------------------------
 428 AC_ARG_ENABLE(hc-boot-unregisterised,
 429 [  --enable-hc-boot-unregisterised
 430         With --enable-hc-boot, treat the intermediate .hc files as
 431         unregisterised rather than registerised code.
 432         (This option is mostly of interest to porters.)
 433 ],
 434 [BootingFromUnregisterisedHc=YES],
 435 [BootingFromUnregisterisedHc=NO]
 436 )
 437 AC_SUBST(BootingFromUnregisterisedHc)
 438
 439 if test "$BootingFromHc" = "NO"; then
 440 if test "$BootingFromUnregisterisedHc" = "YES"; then
 441 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 442 fi;
 443 fi;
 444
 445
 446 dnl ** Enable the construction of Win32 DLLs?
 447 dnl --------------------------------------------------------------
 448 AC_ARG_ENABLE(win32-dlls,
 449 [  --enable-win32-dlls
 450         If on a Win32 platform running mingw32/cygwin, enable the
 451         construction of DLLs containing ghc-compiled code.
 452 ],
 453 [
 454 case $HostOS_CPP in
 455 cygwin32) ;;
 456 mingw32)  ;;
 457 *)    echo "Unrecognised win32 platform: $HostPlatform"
 458       exit 1
 459       ;;
 460 esac
 461 EnableWin32DLLs=YES
 462 ],
 463 [EnableWin32DLLs=NO]
 464 )
 465 AC_SUBST(EnableWin32DLLs)
 466 if test x"$EnableWin32DLLs" = "xYES" ; then
 467  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 468 fi
 469
 470 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 471 dnl --------------------------------------------------------------
 472 AC_ARG_ENABLE(hopengl,
 473 [  --enable-hopengl
 474         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 475         (This option is only relevant when hslibs are built.)
 476 ],
 477 [GhcLibsWithHOpenGL=YES],
 478 [GhcLibsWithHOpenGL=NO]
 479 )
 480 AC_SUBST(GhcLibsWithHOpenGL)
 481
 482 dnl ** Use a specific version of the GLUT API
 483 dnl --------------------------------------------------------------
 484 AC_ARG_WITH(glut-api,
 485 [  --with-glut-api=<version>
 486         Use a specific version of the GLUT API when building HOpenGL.
 487 ])
 488 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
 489
 490
 491 dnl ** Use a specific version of the GLUT API
 492 dnl --------------------------------------------------------------
 493 AC_ARG_WITH(glut-xlib,
 494 [  --with-glut-xlib=<version>
 495         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
 496 ])
 497 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
 498
 499
 500
 501
 502 dnl --------------------------------------------------------------
 503 dnl End of configure script option section
 504 dnl --------------------------------------------------------------
 505
 506
 507 dnl --------------------------------------------------------------
 508 dnl * General configuration checks
 509 dnl --------------------------------------------------------------
 510
 511 dnl ** does #! work?
 512 AC_SYS_INTERPRETER()
 513
 514 dnl ** look for `perl', but only in /bin on Windows
 515 case $HostOS_CPP in
 516 cygwin32|mingw32)
 517       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 518       if test -z "$PerlCmd"; then
 519          echo "You must install the version of Perl shipped with GHC"
 520          echo "(or a compatible one) in /bin."
 521          exit 1
 522       fi
 523    ;;
 524 *)
 525    AC_PATH_PROG(PerlCmd,perl)
 526    if test -z "$PerlCmd"; then
 527       echo "You must install perl before you can continue"
 528       echo "Perhaps it is already installed, but not in your PATH?"
 529       exit 1
 530    else
 531    FPTOOLS_CHECK_PERL_VERSION
 532    fi
 533    ;;
 534 esac
 535
 536 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 537 FPTOOLS_SHEBANG_PERL
 538
 539 dnl ** look for GCC and find out which version
 540 dnl     Figure out which C compiler to use.  Gcc is preferred.
 541 dnl     If gcc, make sure it's at least 2.1
 542 dnl
 543 AC_PROG_CC
 544 FPTOOLS_HAVE_GCC
 545
 546 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 547 AC_PROG_CPP
 548
 549 dnl ** does the C compiler support the following options?
 550 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
 551 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 552
 553 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
 554 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
 555 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
 556 AC_SUBST(SRC_CC_OPTS)
 557
 558 dnl ** figure out how to do context diffs
 559 FPTOOLS_PROG_DIFF
 560
 561 dnl ** Find find command (for Win32's benefit)
 562 FPTOOLS_FIND_FIND
 563
 564 dnl ** look for a decent parser generator (bison preferred)
 565 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 566 dnl  on the suitability of the 'yacc' returned.)
 567 FPTOOLS_PROG_YACCY
 568
 569 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 570 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 571 dnl    exists if 'flex' doesn't.
 572 AC_PROG_LEX_STRICT
 573
 574 dnl ** figure out how to do a BSD-ish install
 575 AC_PROG_INSTALL
 576
 577 dnl If you can run configure, you certainly have /bin/sh
 578 AC_DEFINE(HAVE_BIN_SH)
 579
 580 dnl ** how to invoke `ar' and `ranlib'
 581 FPTOOLS_PROG_AR_AND_RANLIB
 582
 583
 584 dnl ** Check to see whether ln -s works
 585 AC_PROG_LN_S
 586
 587
 588 dnl ** Find the path to sed
 589 AC_PATH_PROG(SedCmd,sed)
 590
 591
 592 dnl ** check for time command
 593 AC_PATH_PROG(TimeCmd,time)
 594
 595
 596 dnl ** check for tar
 597 dnl   if GNU tar is named gtar, look for it first.
 598 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 599
 600 dnl ** check for gzip/compress
 601 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 602
 603 dnl ** check for jade/openjade & determine a working catalog
 604 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 605 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 606                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
 607 if test -z "$Catalog"; then
 608   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 609 fi
 610 case $Catalog in
 611    glafp*)
 612         case $HostOS_CPP in
 613            mingw32)
 614               Catalog=`cygpath -w $hardtop/$Catalog`
 615               ;;
 616            *) Catalog=$hardtop/$Catalog
 617               ;;
 618         esac
 619    ;;
 620 esac
 621 AC_SUBST(Catalog)
 622
 623 compress_nm=`basename $CompressCmd`
 624 if test x"$compress_nm" = xgzip; then
 625   CompressCmd="$CompressCmd -d"
 626   CompressSuffix="gz"
 627 else
 628   CompressSuffix="Z"
 629 fi
 630 AC_SUBST(CompressCmd)
 631 AC_SUBST(CompressSuffix)
 632
 633 dnl ** check for installed happy binary + version
 634 dnl    (don't do it if we're booting from .hc files though.)
 635 if test "$BootingFromHc" = "NO"; then
 636 FPTOOLS_HAPPY
 637 fi;
 638
 639 dnl --------------------------------------------------
 640 dnl ### program checking section ends here ###
 641 dnl --------------------------------------------------
 642
 643 dnl --------------------------------------------------
 644 dnl * Platform header file and syscall feature tests
 645 dnl ### checking the state of the local header files and syscalls ###
 646
 647 dnl ** check for full ANSI header (.h) files
 648 AC_HEADER_STDC
 649
 650 dnl ** check for specific header (.h) files that we are interested in
 651 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)
 652
 653 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 654 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
 655
 656 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 657   HaveReadlineHeaders=YES
 658   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 659 else
 660   HaveReadlineHeaders=NO
 661   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 662 fi
 663 AC_SUBST(HaveReadlineHeaders)
 664
 665 dnl ** check for DOS include files
 666 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 667
 668 dnl ** check for Windows include files
 669 AC_CHECK_HEADERS(windows.h)
 670
 671 dnl ** check for OpenGL include files
 672 AC_CHECK_HEADERS(GL/gl.h)
 673
 674 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 675 AC_HEADER_TIME
 676
 677 dnl dynamic loading include files
 678 AC_CHECK_HEADERS(dlfcn.h dl.h)
 679
 680 dnl ** check for farcalloc (in bcc)
 681 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 682
 683 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 684 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 685
 686 dnl ** how do we get a timezone name, and UTC offset ?
 687 AC_STRUCT_TIMEZONE
 688
 689 dnl ** what's the type of timezone?
 690 FPTOOLS_HAVE_TIMEZONE
 691 FPTOOLS_TYPE_TIMEZONE
 692
 693 dnl ** do we have altzone?
 694 FPTOOLS_ALTZONE
 695
 696 dnl ** does struct stat contain st_blksize?
 697 AC_STRUCT_ST_BLKSIZE
 698
 699 dnl ** do we have long longs?
 700 FPTOOLS_C_LONG_LONG
 701
 702 dnl ** what are the sizes of various types
 703 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 704 AC_CHECK_SIZEOF(char,               1)
 705 AC_CHECK_SIZEOF(double,             8)
 706 AC_CHECK_SIZEOF(float,              4)
 707 AC_CHECK_SIZEOF(int,                4)
 708 AC_CHECK_SIZEOF(long,               4)
 709 if test "$fptools_cv_have_long_long" = yes; then
 710 AC_CHECK_SIZEOF(long long,          8)
 711 fi
 712 AC_CHECK_SIZEOF(short,              2)
 713 AC_CHECK_SIZEOF(unsigned char,      1)
 714 AC_CHECK_SIZEOF(unsigned int,       4)
 715 AC_CHECK_SIZEOF(unsigned long,      4)
 716 if test "$fptools_cv_have_long_long" = yes; then
 717 AC_CHECK_SIZEOF(unsigned long long, 8)
 718 fi
 719 AC_CHECK_SIZEOF(unsigned short,     2)
 720 AC_CHECK_SIZEOF(void *,             4)
 721
 722 dnl ** what are alignment constraints on various types
 723 FPTOOLS_CHECK_ALIGNMENT(char)
 724 FPTOOLS_CHECK_ALIGNMENT(double)
 725 FPTOOLS_CHECK_ALIGNMENT(float)
 726 FPTOOLS_CHECK_ALIGNMENT(int)
 727 FPTOOLS_CHECK_ALIGNMENT(long)
 728 if test "$fptools_cv_have_long_long" = yes; then
 729 FPTOOLS_CHECK_ALIGNMENT(long long)
 730 fi
 731 FPTOOLS_CHECK_ALIGNMENT(short)
 732 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 733 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 734 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 735 if test "$fptools_cv_have_long_long" = yes; then
 736 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 737 fi
 738 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 739 FPTOOLS_CHECK_ALIGNMENT(void *)
 740
 741 dnl ** map standard C types and ISO types to Haskell types
 742 FPTOOLS_CHECK_HTYPE(char)
 743 FPTOOLS_CHECK_HTYPE(signed char)
 744 FPTOOLS_CHECK_HTYPE(unsigned char)
 745 FPTOOLS_CHECK_HTYPE(short)
 746 FPTOOLS_CHECK_HTYPE(unsigned short)
 747 FPTOOLS_CHECK_HTYPE(int)
 748 FPTOOLS_CHECK_HTYPE(unsigned int)
 749 FPTOOLS_CHECK_HTYPE(long)
 750 FPTOOLS_CHECK_HTYPE(unsigned long)
 751 if test "$fptools_cv_have_long_long" = yes; then
 752 FPTOOLS_CHECK_HTYPE(long long)
 753 FPTOOLS_CHECK_HTYPE(unsigned long long)
 754 fi
 755 FPTOOLS_CHECK_HTYPE(float)
 756 FPTOOLS_CHECK_HTYPE(double)
 757 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 758 FPTOOLS_CHECK_HTYPE(size_t)
 759 FPTOOLS_CHECK_HTYPE(wchar_t)
 760 dnl Int32 is a HACK for non-ISO C compilers
 761 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 762 FPTOOLS_CHECK_HTYPE(clock_t)
 763 FPTOOLS_CHECK_HTYPE(time_t)
 764
 765 dnl ** Map OpenGL data types to Haskell types
 766 if test $GhcLibsWithHOpenGL = YES ; then
 767 FPTOOLS_CHECK_HTYPE(GLboolean)
 768 FPTOOLS_CHECK_HTYPE(GLbyte)
 769 FPTOOLS_CHECK_HTYPE(GLubyte)
 770 FPTOOLS_CHECK_HTYPE(GLshort)
 771 FPTOOLS_CHECK_HTYPE(GLushort)
 772 FPTOOLS_CHECK_HTYPE(GLint)
 773 FPTOOLS_CHECK_HTYPE(GLuint)
 774 FPTOOLS_CHECK_HTYPE(GLsizei)
 775 FPTOOLS_CHECK_HTYPE(GLenum)
 776 FPTOOLS_CHECK_HTYPE(GLbitfield)
 777 FPTOOLS_CHECK_HTYPE(GLfloat)
 778 FPTOOLS_CHECK_HTYPE(GLclampf)
 779 FPTOOLS_CHECK_HTYPE(GLdouble)
 780 FPTOOLS_CHECK_HTYPE(GLclampd)
 781 fi
 782
 783 dnl ** can we open files in binary mode?
 784 FPTOOLS_O_BINARY
 785
 786 dnl ** check for GetModuleFileName and WinExec (windows only)
 787 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 788 dnl Doesn't work because the linker can't see the functions if
 789 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 790
 791 FPTOOLS_TRY_LINK_NOWARN(,[
 792 #if HAVE_WINDOWS_H
 793 #include <windows.h>
 794 #endif
 795 main() {
 796   WinExec("",0);
 797   exit(0);
 798 }
 799 ],
 800 [have_winexec=1],
 801 [have_winexec=0])
 802 if test "$have_winexec" = "1"; then
 803 AC_DEFINE(HAVE_WINEXEC)
 804 fi
 805
 806 FPTOOLS_TRY_LINK_NOWARN(,[
 807 #if HAVE_WINDOWS_H
 808 #include <windows.h>
 809 #endif
 810 main() {
 811   char* dir;
 812   GetModuleFileName((HMODULE)0,dir,0);
 813   exit(0);
 814 }
 815 ],
 816 [have_getmodulefilename=1],
 817 [have_getmodulefilename=0])
 818 if test "$have_getmodulefilename" = "1"; then
 819 AC_DEFINE(HAVE_GETMODULEFILENAME)
 820 fi
 821
 822 dnl ** check return type of signal handlers
 823 dnl Foo: assumes we can use prototypes.
 824 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 825 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 826 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 827 dnl #include <signal.h>
 828 dnl #ifdef signal
 829 dnl #undef signal
 830 dnl #endif
 831 dnl void (*signal (int, void (*)(int)))(int);
 832 dnl ],
 833 dnl [int i;],
 834 dnl ac_cv_type_signal_handler=void_int,
 835 dnl ac_cv_type_signal_handler=int_void)])
 836 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 837 dnl AC_DEFINE(VOID_INT_SIGNALS)
 838 dnl fi
 839
 840 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 841 AC_TYPE_SIGNAL
 842 if test "$ac_cv_type_signal" = void; then
 843 AC_DEFINE(VOID_INT_SIGNALS)
 844 fi
 845
 846 dnl ** check for more functions
 847 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 848 AC_CHECK_FUNCS(strcmp)
 849 AC_CHECK_FUNCS(realpath _fullpath)
 850 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 851 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 852 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 853 AC_CHECK_FUNCS(snprintf  _snprintf )
 854 AC_CHECK_FUNCS(popen     _popen )
 855 AC_CHECK_FUNCS(pclose    _pclose )
 856
 857
 858 dnl ** check for specific library functions that we are interested in
 859 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)
 860
 861 dnl ** check whether this machine has gmp3 installed
 862 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 863   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 864     HaveLibGmp=No; LibGmp=not-installed))
 865 AC_SUBST(HaveLibGmp)
 866 AC_SUBST(LibGmp)
 867
 868 dnl ** check whether this machine has GNU regex in libc.
 869 FPTOOLS_REGEX_IN_LIBC
 870
 871 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 872 dnl    the order of these tests matters: bfd needs liberty
 873 AC_CHECK_LIB(iberty, xmalloc)
 874 AC_CHECK_LIB(bfd,    bfd_init)
 875
 876 dnl ** check for readline, for Hugs and hslibs' Readline
 877 dnl ncurses supersedes termcap and curses, but for compatibility,
 878 dnl we have to check for all...
 879 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
 880   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
 881     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
 882       HaveLibTermcap=NO; LibTermcap=not-installed)))
 883
 884 if test $HaveLibTermcap = YES ; then
 885   LIBS="-l$LibTermcap $LIBS"
 886   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
 887 fi
 888
 889 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
 890   AC_DEFINE(HAVE_READLINE_LIBS,1)
 891   LibsReadline="readline $LibTermcap"
 892 else
 893   AC_DEFINE(HAVE_READLINE_LIBS,0)
 894   LibsReadline=
 895 fi
 896 AC_SUBST(LibsReadline)
 897
 898 if test "$HaveLibReadline"; then
 899   AC_CHECK_LIB(readline, rl_erase_empty_line,
 900     [AC_DEFINE(HAVE_READLINE_4, 1)],
 901     [AC_DEFINE(HAVE_READLINE_4, 0)])
 902   AC_CHECK_LIB(readline, rl_free_undo_list,
 903     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
 904     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
 905 else
 906   AC_DEFINE(HAVE_READLINE_4, 0)
 907   AC_DEFINE(HAVE_READLINE_4_2, 0)
 908 fi
 909
 910 dnl ** check for math library
 911 FPTOOLS_CHECK_LIBM()
 912 AC_SUBST(LIBM)
 913
 914 case $HostOS_CPP in
 915 cygwin32) ;;
 916 mingw32)  ;;
 917 *) AC_PATH_XTRA() ;;
 918 esac
 919
 920 dnl ################################################################
 921 dnl Check for libraries
 922 dnl ################################################################
 923
 924 AC_CHECK_LIB(dl, dlopen,
 925         [HaveLibDL=YES
 926          AC_DEFINE(HAVE_LIBDL)
 927          LIBS="$LIBS -ldl"],
 928         [HaveLibDL=NO])
 929 AC_CHECK_FUNCS(dlopen)
 930 AC_SUBST(HaveLibDL)
 931
 932 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 933
 934 dnl --------------------------------------------------
 935 dnl * test for GTK+
 936 dnl --------------------------------------------------
 937
 938 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
 939 if test "$GTK_CONFIG" != ""; then
 940    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
 941         fptools_cv_gtk_version=`$GTK_CONFIG --version`
 942     ])
 943     GTK_VERSION=$fptools_cv_gtk_version
 944 else
 945     GTK_VERSION=
 946 fi
 947
 948 case $fptools_cv_gtk_version in
 949   1.[[23]].*) ;;
 950   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
 951      GTK_CONFIG=
 952      ;;
 953 esac
 954
 955 AC_SUBST(GTK_CONFIG)
 956 AC_SUBST(GTK_VERSION)
 957
 958 dnl --------------------------------------------------
 959 dnl * Miscellaneous feature tests
 960 dnl --------------------------------------------------
 961
 962 dnl ** can we get alloca?
 963 AC_FUNC_ALLOCA
 964
 965 dnl ** determine whether or not const works
 966 AC_C_CONST
 967
 968 dnl ** determine whether ANSI-function prototypes work?
 969 AC_C_PROTOTYPES
 970
 971 dnl ** are we big endian?
 972 AC_C_BIGENDIAN
 973 # Allay users' general fear of warnings of any kind.
 974 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
 975 )
 976 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
 977 )
 978
 979 dnl ** check for leading underscores in symbol names
 980 FPTOOLS_UNDERSCORE
 981
 982 dnl ** how is the end of text section signalled?
 983 FPTOOLS_END_TEXT_SECTION
 984
 985 dnl ** how is the end of data section signalled?
 986 FPTOOLS_END_DATA_SECTION
 987
 988 dnl ** code before data?
 989 FPTOOLS_CODE_BEFORE_DATA
 990
 991 dnl ** check for ld, and whether ld has -x option
 992 AC_PATH_PROG(LdCmd, ld)
 993 FPTOOLS_LD_X
 994
 995 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )