configure.ac 31.8 KB
Newer Older
1
dnl == autoconf source for the Glasgow FP tools ==
2
dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
sof's avatar
sof committed
3
dnl  (or some such) to see the outline of this file)
4 5
dnl
#
6
# (c) The University of Glasgow 1994-2004
7
#
8
# Configure script template for GHC
9
#
10
# Process with 'autoreconf' to get a working configure script.
11
#
sof's avatar
sof committed
12 13 14 15
# For the generated configure script, do "./configure --help" to
# see what flags are available. (Better yet, read the documentation!)
#

Ian Lynagh's avatar
Ian Lynagh committed
16
AC_INIT([The Glorious Glasgow Haskell Compilation System], [7.1], [glasgow-haskell-bugs@haskell.org], [ghc])
17

18
# Set this to YES for a released version, otherwise NO
19
: ${RELEASE=NO}
20 21 22 23 24 25 26 27 28

# The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
# above.  If this is not a released version, then we will append the
# date to the version number (e.g. 6.7.20070204).  The date is
# constructed by finding the date of the most recent patch in the
# darcs repository.  If this is a source distribution (not a darcs
# checkout), then we ship a file 'VERSION' containing the full version
# when the source distribution was created.

29
if test ! -f mk/config.h.in; then
30
   echo "mk/config.h.in doesn't exist: perhaps you haven't run 'perl boot'?"
31 32 33
   exit 1
fi

34 35
AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])

36 37 38 39 40 41 42 43 44 45 46
dnl ----------------------------------------------------------
dnl ** Find unixy sort and find commands, 
dnl ** which are needed by FP_SETUP_PROJECT_VERSION

dnl ** Find find command (for Win32's benefit)
FP_PROG_FIND

dnl ** Find sort command (for the benefit of Win32 environs)
FP_PROG_SORT

dnl ----------------------------------------------------------
47 48 49 50
FP_SETUP_PROJECT_VERSION

# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
51

52
# First off, a distrib sanity check..
53
AC_CONFIG_SRCDIR([mk/config.mk.in])
54

55 56 57
dnl * We require autoconf version 2.52
dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
58
AC_PREREQ([2.52])
59

60 61 62
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
63 64
#
AC_CONFIG_HEADER(mk/config.h)
65

sof's avatar
sof committed
66
# No, semi-sadly, we don't do `--srcdir'...
67
if test x"$srcdir" != 'x.' ; then
68
    echo "This configuration does not support the \`--srcdir' option.."
69 70 71
    exit 1
fi

sof's avatar
sof committed
72 73 74 75 76 77 78 79 80 81
dnl --------------------------------------------------------------
dnl * Project specific configuration options
dnl --------------------------------------------------------------
dnl What follows is a bunch of options that can either be configured
dnl through command line options to the configure script or by
dnl supplying defns in the build tree's mk/build.mk. Having the option to
dnl use either is considered a Feature.

dnl ** What command to use to compile compiler sources ?
dnl --------------------------------------------------------------
82

83
AC_ARG_WITH([ghc],
84
[AC_HELP_STRING([--with-ghc=ARG],
85 86 87 88
  [Use ARG as the path to GHC  [default=autodetect]])],
  [WithGhc="$withval"],
  [if test "$GHC" = ""; then
    AC_PATH_PROG([GHC], [ghc])
89
  fi
90
  WithGhc="$GHC"])
91

92 93 94 95 96

dnl ** Tell the make system which OS we are using
dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something 
AC_SUBST(OSTYPE)

Simon Marlow's avatar
Simon Marlow committed
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
dnl ** Booting from .hc files?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(hc-boot,
[AC_HELP_STRING([--enable-hc-boot],
[Boot the Glasgow Haskell Compiler from intermediate .hc files.
 (This option is mostly of interest to porters.) [default=no]])],
[ if test x"$enableval" = x"yes"; then
        BootingFromHc=YES
  else
        BootingFromHc=NO
  fi
],
[BootingFromHc=NO]
)
AC_SUBST(BootingFromHc)

Ian Lynagh's avatar
Ian Lynagh committed
113 114 115 116 117 118 119
AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
[AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
                [Allow bootstrapping using a development snapshot of GHC.  This is not guaranteed to work.])],
        EnableBootstrapWithDevelSnaphost=YES,
        EnableBootstrapWithDevelSnaphost=NO
)

120 121
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
Ian Lynagh's avatar
Ian Lynagh committed
122

123 124
  if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
     AC_MSG_ERROR([Cannot determine the version of $WithGhc.  Is it really GHC?])
Ian Lynagh's avatar
Ian Lynagh committed
125 126
  fi

127 128 129 130
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
131 132
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
133 134
  if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
  AC_SUBST(ghc_ge_613)dnl
135 136
fi

Simon Marlow's avatar
Simon Marlow committed
137 138 139 140 141
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
  if test "$WithGhc" = ""; then
     AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
  fi
142 143
  FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
    [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
Simon Marlow's avatar
Simon Marlow committed
144 145 146 147 148 149 150 151 152 153 154 155

  if test `expr $GhcMinVersion % 2` = "1"; then
     if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
        AC_MSG_ERROR([
     $WithGhc is a development snapshot of GHC, version $GhcVersion.
     Bootstrapping using this version of GHC is not supported, and may not
     work.  Use --enable-bootstrap-with-devel-snapshot to try it anyway,
     or --with-ghc to specify a different GHC to use.])
     fi
  fi
fi;

156 157 158
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
159
    ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
160 161 162 163 164 165 166 167

    if test "$ghc_host" = "i386-unknown-mingw32"
    then
        if test "${OSTYPE}" = "msys"
        then
            WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
        else
            # Canonicalise to <drive>:/path/to/ghc
168
            WithGhc=`cygpath -m "${WithGhc}"`
169 170 171 172 173 174
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

175 176 177
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

Ian Lynagh's avatar
Ian Lynagh committed
178 179
FP_ICONV
FP_GMP
180

181 182 183
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
184 185
dnl If we aren't explicitly told what values to use with configure flags,
dnl we ask the bootstrapping compiler what platform it is for
186

187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202
if test "${WithGhc}" != ""
then
        bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
        bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
        if test "$bootstrap_host" != "$bootstrap_target"
        then
                echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
        fi
fi

# We have to run these unconditionally, but we may discard their
# results in the following code
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET

203
FPTOOLS_SET_PLATFORM_VARS
204 205 206

exeext=''
soext='.so'
Ian Lynagh's avatar
Ian Lynagh committed
207
case $host in
208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
*-unknown-cygwin32)
    AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
    AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
    exit 1
    ;;
*-unknown-mingw32)
    exeext='.exe'
    soext='.dll'
    ;;
i386-apple-darwin|powerpc-apple-darwin)
    soext='.dylib'
    ;;
x86_64-apple-darwin)
    soext='.dylib'
    ;;
esac

225 226 227 228 229 230 231 232 233 234 235 236 237 238 239
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.

SOLARIS_BROKEN_SHLD=NO

case $host in
     i386-*-solaris2)
     # here we go with the test
     MINOR=`uname -r|cut -d '.' -f 2-`
     if test "$MINOR" -lt "11"; then
     	SOLARIS_BROKEN_SHLD=YES
     fi
     ;;
esac

240
# Sync this with cTargetArch in compiler/ghc.mk
241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264
checkArch() {
    case $1 in
    alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
        ;;
    *)
        echo "Unknown arch $1"
        exit 1
        ;;
    esac
}

checkVendor() {
    case $1 in
    dec|unknown|hp|apple|next|sun|sgi|ibm)
        ;;
    *)
        echo "Unknown vendor $1"
        exit 1
        ;;
    esac
}

checkOS() {
    case $1 in
265
    linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
266 267
        ;;
    *)
268
        echo "Unknown OS '$1'"
269 270 271 272 273
        exit 1
        ;;
    esac
}

274
BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
275 276 277 278
BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildArch_CPP=`    echo "$BuildArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildVendor_CPP=`  echo "$BuildVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildOS_CPP=`      echo "$BuildOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
279 280 281 282

checkArch "$BuildArch"
checkVendor "$BuildVendor"
checkOS "$BuildOS"
283

284
HostPlatform="$HostArch-$HostVendor-$HostOS"
285 286 287 288
HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostArch_CPP=`    echo "$HostArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
HostVendor_CPP=`  echo "$HostVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
HostOS_CPP=`      echo "$HostOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
289 290 291 292

checkArch "$HostArch"
checkVendor "$HostVendor"
checkOS "$HostOS"
293

294
TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
295 296 297 298
TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetArch_CPP=`    echo "$TargetArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetVendor_CPP=`  echo "$TargetVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetOS_CPP=`      echo "$TargetOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
299 300 301 302

checkArch "$TargetArch"
checkVendor "$TargetVendor"
checkOS "$TargetOS"
303

304 305
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
306
if test "$BuildPlatform" != "$bootstrap_target"
307 308 309 310 311 312 313
then
    echo "This GHC (${WithGhc}) does not generate code for the build platform"
    echo "   GHC target platform    : $bootstrap_target"
    echo "   Desired build platform : $BuildPlatform"
    exit 1
fi

314 315 316 317
echo "GHC build  : $BuildPlatform"
echo "GHC host   : $HostPlatform"
echo "GHC target : $TargetPlatform"

318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339
AC_SUBST(BuildPlatform)
AC_SUBST(HostPlatform)
AC_SUBST(TargetPlatform)
AC_SUBST(HostPlatform_CPP)
AC_SUBST(BuildPlatform_CPP)
AC_SUBST(TargetPlatform_CPP)

AC_SUBST(HostArch_CPP)
AC_SUBST(BuildArch_CPP)
AC_SUBST(TargetArch_CPP)

AC_SUBST(HostOS_CPP)
AC_SUBST(BuildOS_CPP)
AC_SUBST(TargetOS_CPP)

AC_SUBST(HostVendor_CPP)
AC_SUBST(BuildVendor_CPP)
AC_SUBST(TargetVendor_CPP)

AC_SUBST(exeext)
AC_SUBST(soext)

340 341
AC_SUBST(SOLARIS_BROKEN_SHLD)

342 343 344 345 346 347 348 349 350
AC_ARG_WITH(hc,
[AC_HELP_STRING([--with-hc=ARG],
        [Use ARG as the path to the compiler for compiling ordinary
         Haskell code  (default= value of --with-ghc)])],
[WithHc="$withval"],
[WithHc=$WithGhc]
)
AC_SUBST(WithHc)

351
# This uses GHC, so put it after the "GHC is required" check above:
352
FP_INTREE_GHC_PWD
353 354 355 356
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
357 358
    test -d inplace || mkdir inplace

359 360 361
    CC="$hardtop/inplace/mingw/bin/gcc.exe"
    LD="$hardtop/inplace/mingw/bin/ld.exe"
    NM="$hardtop/inplace/mingw/bin/nm.exe"
362
    fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
363 364 365

    # NB. If you update the tarbballs to a new version of gcc, don't
    # forget to tweak the paths in driver/gcc/gcc.c.
366
    if ! test -d inplace/mingw ||
Ian Lynagh's avatar
Ian Lynagh committed
367 368 369
         test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma  ||
         test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma  ||
         test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma   ||
Simon Marlow's avatar
Simon Marlow committed
370
         test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz      ||
Ian Lynagh's avatar
Ian Lynagh committed
371 372 373
         test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz      ||
         test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz      ||
         test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz     ||
374
         test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma   ||
Ian Lynagh's avatar
Ian Lynagh committed
375 376
         test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
         test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
377
         test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
378 379 380 381
    then
        AC_MSG_NOTICE([Making in-tree mingw tree])
        rm -rf inplace/mingw
        mkdir inplace/mingw
Ian Lynagh's avatar
Ian Lynagh committed
382 383
        (
            cd inplace/mingw &&
Ian Lynagh's avatar
Ian Lynagh committed
384 385 386
            tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma  &&
            tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma  &&
            tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma   &&
Simon Marlow's avatar
Simon Marlow committed
387
            tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma    &&
Ian Lynagh's avatar
Ian Lynagh committed
388 389 390
            tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma    &&
            tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma    &&
            tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma   &&
391
            tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma   &&
Ian Lynagh's avatar
Ian Lynagh committed
392 393 394
            tar -z     -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
            tar -z     -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
            tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma    &&
Ian Lynagh's avatar
Ian Lynagh committed
395 396
            mv bin/gcc.exe bin/realgcc.exe
        )
397 398 399 400 401
        PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
        if ! test -e inplace/mingw/bin/gcc.exe
        then
            AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
        fi
402 403
        AC_MSG_NOTICE([In-tree mingw tree created])
    fi
404 405 406 407 408 409 410 411 412 413 414 415 416
    if ! test -d inplace/perl ||
         test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
    then
        AC_MSG_NOTICE([Making in-tree perl tree])
        rm -rf inplace/perl
        mkdir inplace
        mkdir inplace/perl
        (
            cd inplace/perl &&
            tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
        )
        AC_MSG_NOTICE([In-tree perl tree created])
    fi
417 418
fi

sof's avatar
sof committed
419 420
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
421 422 423
FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
export CC
WhatGccIsCalled="$CC"
sof's avatar
sof committed
424 425
AC_SUBST(WhatGccIsCalled)

426 427
dnl ** Which ld to use?
dnl --------------------------------------------------------------
428 429 430
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
LdCmd="$LD"
AC_SUBST([LdCmd])
431

432 433 434 435 436
dnl ** Which nm to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
NmCmd="$NM"
AC_SUBST([NmCmd])
sof's avatar
sof committed
437

438 439 440
SplitObjsBroken=NO
if test "$TargetOS_CPP" = "darwin"
then
441
    AC_MSG_CHECKING(XCode version)
442 443 444 445
    XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
    # Old XCode versions don't actually give the XCode version
    if test "$XCodeVersion" = ""
    then
446
        AC_MSG_RESULT(not found (too old?))
447
        SplitObjsBroken=YES
448 449 450 451 452 453 454 455 456 457 458 459
    else
        AC_MSG_RESULT($XCodeVersion)
        XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
changequote(, )dnl
        XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
changequote([, ])dnl
        AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
        AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
        # Split objects is broken (#4013) with XCode < 3.2
        if test "$XCodeVersion1" -lt 3
        then
            SplitObjsBroken=YES
460 461 462 463 464 465 466 467
        else
            if test "$XCodeVersion1" -eq 3
            then
                if test "$XCodeVersion2" -lt 2
                then
                    SplitObjsBroken=YES
                fi
            fi
468
        fi
469 470 471 472
    fi
fi
AC_SUBST([SplitObjsBroken])

473 474
dnl ** Mac OS X: explicit deployment target
dnl --------------------------------------------------------------
475 476 477 478
AC_ARG_WITH([macosx-deployment-target],
[AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
        [Build for Mac OS VERSION and higher  (default= version of build host)])],
[FP_MACOSX_DEPLOYMENT_TARGET="$withval"
479 480
 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
   # ignore everywhere, but on Mac OS
481 482
   AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
   FP_MACOSX_DEPLOYMENT_TARGET=none
483
 fi],
484
[FP_MACOSX_DEPLOYMENT_TARGET=none]
485
)
486 487 488
FP_CHECK_MACOSX_DEPLOYMENT_TARGET
AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
AC_SUBST(MACOSX_DEPLOYMENT_SDK)
489

sof's avatar
sof committed
490 491 492 493 494 495 496 497
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
498

499 500 501 502 503 504 505 506 507 508
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
   GhcLibsWithUnix=NO
else
   GhcLibsWithUnix=YES
fi
AC_SUBST([GhcLibsWithUnix])

509 510
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
511

Ian Lynagh's avatar
Ian Lynagh committed
512
dnl ** look for `perl'
rrt's avatar
rrt committed
513 514
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
515 516
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
517
*)
Ian Lynagh's avatar
Ian Lynagh committed
518 519 520 521 522 523 524 525 526 527
    AC_PATH_PROG(PerlCmd,perl)
    if test -z "$PerlCmd"
    then
        echo "You must install perl before you can continue"
        echo "Perhaps it is already installed, but not in your PATH?"
        exit 1
    else
        FPTOOLS_CHECK_PERL_VERSION
    fi
    ;;
rrt's avatar
rrt committed
528
esac
sof's avatar
sof committed
529

sof's avatar
sof committed
530
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
531
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
532

533 534 535
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
536 537 538 539
dnl ** look for GCC and find out which version
dnl     Figure out which C compiler to use.  Gcc is preferred.
dnl     If gcc, make sure it's at least 2.1
dnl
540
FP_HAVE_GCC
541

542 543 544
FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
545
# Stage 3 won't be supported by cross-compilation
546
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
547

548
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
549 550 551

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
552

553 554 555
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
556 557 558 559 560 561
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
562 563 564
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
565

566
dnl ** figure out how to do context diffs
567
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
568

569 570 571
dnl Let's make sure install-sh is executable here.  If we got it from
dnl a darcs repo, it might not be (see bug #978).
chmod +x install-sh
572 573
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
574

reid's avatar
reid committed
575
dnl If you can run configure, you certainly have /bin/sh
576
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
577

sof's avatar
sof committed
578
dnl ** how to invoke `ar' and `ranlib'
579
FP_PROG_AR_SUPPORTS_ATFILE
580 581
FP_PROG_AR_NEEDS_RANLIB
FP_PROG_AR_SUPPORTS_INPUT
sof's avatar
sof committed
582

583
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
584 585
AC_PROG_LN_S

sof's avatar
sof committed
586 587

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
588
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
589

sof's avatar
sof committed
590 591

dnl ** check for time command
sof's avatar
sof committed
592 593
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
594 595
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
596
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
597

Ian Lynagh's avatar
Ian Lynagh committed
598 599 600 601
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

602 603 604 605
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
606
  if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
607 608 609 610 611
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

612
AC_PATH_PROG(HSCOLOUR,HsColour)
613
# HsColour is passed to Cabal, so we need a native path
614 615 616 617 618 619
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HSCOLOUR}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
620
fi
621

622 623
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
624
FP_DOCBOOK_XSL
625 626
FP_PROG_DBLATEX

Ian Lynagh's avatar
Ian Lynagh committed
627 628
FP_PROG_HSTAGS

reid's avatar
reid committed
629
dnl ** check for ghc-pkg command
630
FP_PROG_GHC_PKG
reid's avatar
reid committed
631

sof's avatar
sof committed
632
dnl ** check for installed happy binary + version
sof's avatar
sof committed
633
dnl    (don't do it if we're booting from .hc files though.)
634
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
635
FPTOOLS_HAPPY
sof's avatar
sof committed
636
fi;
sof's avatar
sof committed
637

638 639 640 641 642 643
dnl ** check for installed alex binary + version
dnl    (don't do it if we're booting from .hc files though.)
if test "$BootingFromHc" = "NO"; then
FPTOOLS_ALEX
fi;

sof's avatar
sof committed
644 645 646
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
647

sof's avatar
sof committed
648 649 650
dnl --------------------------------------------------
dnl * Platform header file and syscall feature tests
dnl ### checking the state of the local header files and syscalls ###
sof's avatar
sof committed
651

652 653
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
654

655 656 657 658
dnl ** Enable large file support.  NB. do this before testing the type of
dnl    off_t, because it will affect the result of that test.
AC_SYS_LARGEFILE

659
dnl ** check for specific header (.h) files that we are interested in
pgj's avatar
pgj committed
660
AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
661

662 663
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
664

665
dnl ** do we have long longs?
666
AC_CHECK_TYPES([long long])
667

reid's avatar
reid committed
668
dnl ** what are the sizes of various types
669
AC_CHECK_SIZEOF(char,               1)
670 671
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
672 673
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
674
if test "$ac_cv_type_long_long" = yes; then
675
AC_CHECK_SIZEOF(long long,          8)
676 677 678 679 680
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
681
if test "$ac_cv_type_long_long" = yes; then
682 683
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
684
AC_CHECK_SIZEOF(unsigned short,     2)
685
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
686 687

dnl ** what are alignment constraints on various types
688 689 690 691 692 693 694
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
695
fi
696 697 698 699 700 701
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
702
fi
703 704
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
705

706 707
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
708

709 710
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
711 712 713 714 715

dnl ** check return type of signal handlers
dnl Foo: assumes we can use prototypes.
dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
716
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
717 718 719 720 721
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
722 723 724 725
dnl ]],
dnl [[int i;]])],
dnl [ac_cv_type_signal_handler=void_int],
dnl [ac_cv_type_signal_handler=int_void])])
reid's avatar
reid committed
726 727 728 729 730 731 732
dnl if test "$ac_cv_type_signal_handler" = void_int; then
dnl AC_DEFINE(VOID_INT_SIGNALS)
dnl fi

dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
AC_TYPE_SIGNAL
if test "$ac_cv_type_signal" = void; then
733
  AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
reid's avatar
reid committed
734 735 736
fi

dnl ** check for more functions
737
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
738
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
739 740 741 742 743 744 745 746 747 748 749 750 751

AC_TRY_RUN([
#include <sys/types.h>
#include <sys/time.h>
int main(void) {
  struct itimerval tval;
  tval.it_value.tv_sec = 1;
  tval.it_value.tv_usec = 0;
  tval.it_interval = tval.it_value;
  return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
}
],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
752 753 754 755 756 757 758
dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
dnl ** _POSIX_C_SOURCE is defined
AC_CHECK_DECLS([ctime_r], , ,
[#define _POSIX_SOURCE 1
#define _POSIX_C_SOURCE 199506L
#include <time.h>])

759 760 761 762 763
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
764
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
765 766
fi

sebc's avatar
sebc committed
767
dnl ** check for math library
768 769 770 771
dnl    Keep that check as early as possible.
dnl    as we need to know whether we need libm
dnl    for math functions or not
dnl    (see http://hackage.haskell.org/trac/ghc/ticket/3730)
772 773 774 775 776
AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
if test $HaveLibM = YES
then
  AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
fi
sebc's avatar
sebc committed
777

778 779 780 781 782
dnl ** check whether this machine has BFD and liberty installed (used for debugging)
dnl    the order of these tests matters: bfd needs liberty
AC_CHECK_LIB(iberty, xmalloc)
AC_CHECK_LIB(bfd,    bfd_init)

reid's avatar
reid committed
783 784 785 786
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
787
dnl ** check whether we need -ldl to get dlopen()
788

Ian Lynagh's avatar
Ian Lynagh committed
789
AC_CHECK_LIB(dl, dlopen,
790 791
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
792
     LIBS="$LIBS -ldl"],
793 794 795
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

796
dnl --------------------------------------------------
sof's avatar
sof committed
797 798 799
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
800
dnl ** can we get alloca?
801
AC_FUNC_ALLOCA
sof's avatar
sof committed
802

803
dnl ** Working vfork?
804
AC_FUNC_FORK
805

806 807
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
808

809 810
dnl ** are we big endian?
AC_C_BIGENDIAN
811
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
812

813
dnl ** check for leading underscores in symbol names
814
FP_LEADING_UNDERSCORE
815

816 817 818
dnl ** check for ld, whether it has an -x option, and if it is GNU ld
FP_PROG_LD_X
FP_PROG_LD_IS_GNU
819
FP_PROG_LD_BUILD_ID
sof's avatar
sof committed
820

821 822 823 824 825
dnl ** check for Apple-style dead-stripping support
dnl    (.subsections-via-symbols assembler directive)


AC_MSG_CHECKING(for .subsections_via_symbols)
826 827 828 829 830
AC_COMPILE_IFELSE(
    [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
    [AC_MSG_RESULT(yes)
     AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
               [Define to 1 if Apple-style dead-stripping is supported.])
831
    ],
832
    [AC_MSG_RESULT(no)])
833

834 835 836
dnl *** check for GNU non-executable stack note support (ELF only)
dnl     (.section .note.GNU-stack,"",@progbits)

837 838 839 840 841
dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
dnl     Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
dnl so we empty CFLAGS while running this test
CFLAGS2="$CFLAGS"
CFLAGS=
842 843 844 845 846 847 848 849
AC_MSG_CHECKING(for GNU non-executable stack support)
AC_COMPILE_IFELSE(
    [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
    [AC_MSG_RESULT(yes)
     AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
               [Define to 1 if GNU non-executable stack notes are supported.])
    ],
    [AC_MSG_RESULT(no)])
850
CFLAGS="$CFLAGS2"
851

852 853
FP_VISIBILITY_HIDDEN

854 855
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
856
AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
857
FP_CHECK_TIMER_CREATE
858

859
dnl ** check for Apple's "interesting" long double compatibility scheme
860 861
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
862 863 864 865 866 867 868 869 870 871 872
    [
        AC_MSG_RESULT(yes)
        AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
            [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
    ],
    [
        AC_MSG_RESULT(no)
        AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
            [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
    ])

873 874 875 876
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

877 878 879 880 881 882 883 884 885 886 887
# test for GTK+
AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
if test -n "$GTK_CONFIG"; then
  if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
    GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
  else
    AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
    GTK_CONFIG=
  fi
fi
AC_SUBST([GTK_CONFIG])
888

889 890 891 892 893 894
#Checking for PAPI
AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
AC_SUBST(HavePapiLib)
AC_SUBST(HavePapiHeader)

895 896
AC_CHECK_FUNCS(__mingw_vfprintf)

897
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
898 899 900
   HavePapi=YES
else
   HavePapi=NO
901
fi
902
AC_SUBST(HavePapi)
903

Simon Marlow's avatar
Simon Marlow committed
904
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923
   test "$XsltprocCmd" = ""
then
    BUILD_DOCBOOK_HTML=NO
else
    BUILD_DOCBOOK_HTML=YES
fi
AC_SUBST(BUILD_DOCBOOK_HTML)

if test "$DblatexCmd" = ""
then
    BUILD_DOCBOOK_PS=NO
    BUILD_DOCBOOK_PDF=NO
else
    BUILD_DOCBOOK_PS=YES
    BUILD_DOCBOOK_PDF=YES
fi
AC_SUBST(BUILD_DOCBOOK_PS)
AC_SUBST(BUILD_DOCBOOK_PDF)

924
LIBRARY_VERSION(base)
925 926
LIBRARY_VERSION(Cabal)
LIBRARY_VERSION(ghc-prim)
927 928
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
929

930 931 932 933
if grep '	' compiler/ghc.cabal.in 2>&1 >/dev/null; then
   AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
fi

934
AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal ghc.spec settings docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
935 936
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
937 938 939 940 941 942

# We get caught by
#     http://savannah.gnu.org/bugs/index.php?1516
#     $(eval ...) inside conditionals causes errors
# with make 3.80, so warn the user if it looks like they're about to
# try to use it.
943
# We would use "grep -q" here, but Solaris's grep doesn't support it.
944
checkMake380() {
945
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
946 947 948 949 950 951 952 953 954 955 956
    then
        echo
        echo "WARNING: It looks like \"$1\" is GNU make 3.80."
        echo "This version cannot be used to build GHC."
        echo "Please use GNU make >= 3.81."
    fi
}

checkMake380 make
checkMake380 gmake

Ian Lynagh's avatar
Ian Lynagh committed
957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983
echo ["
----------------------------------------------------------------------
Configure completed successfully.

   Building GHC version  : $ProjectVersion

   Build platform        : $BuildPlatform
   Host platform         : $HostPlatform
   Target platform       : $TargetPlatform
"]

if test "$BootingFromHc" = "YES"; then
echo ["\
   Bootstrapping from HC files.
"]
else
echo ["\
   Bootstrapping using   : $WithGhc
      which is version   : $GhcVersion
"]
fi

echo ["\
   Using GCC             : $WhatGccIsCalled
      which is version   : $GccVersion

   ld       : $LdCmd
984 985
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
Ian Lynagh's avatar
Ian Lynagh committed
986
   Python   : $PythonCmd
987 988 989
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
990 991 992 993 994 995 996 997 998 999 1000

if test "$HSCOLOUR" = ""; then
echo ["
   HsColour was not found; documentation will not contain source links
"]
else
echo ["\
   HsColour : $HSCOLOUR
"]
fi

1001 1002 1003
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
1004
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017

echo ["----------------------------------------------------------------------
"]

echo "\
For a standard build of GHC (fully optimised with profiling), type (g)make.

To make changes to the default build configuration, copy the file
mk/build.mk.sample to mk/build.mk, and edit the settings in there.

For more information on how to configure your GHC build, see
   http://hackage.haskell.org/trac/ghc/wiki/Building
"