configure.ac 32.4 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 1994-2012
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], [7.7], [glasgow-haskell-bugs@haskell.org], [ghc])
17

18
# Set this to YES for a released version, otherwise NO
19
: ${RELEASE=NO}
20

21
# The primary version (e.g. 7.5, 7.4.1) is set in the AC_INIT line
22
# above.  If this is not a released version, then we will append the
23
# date to the version number (e.g. 7.4.20111220).  The date is
24
# constructed by finding the date of the most recent patch in the
25
# git repository.  If this is a source distribution (not a git
26 27 28
# 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
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 ----------------------------------------------------------
44 45 46 47
FP_SETUP_PROJECT_VERSION

# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
48

49
# First off, a distrib sanity check..
50
AC_CONFIG_SRCDIR([mk/config.mk.in])
51

52 53 54
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.
55
AC_PREREQ([2.52])
56

57 58 59
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
60 61
#
AC_CONFIG_HEADER(mk/config.h)
62

sof's avatar
sof committed
63
# No, semi-sadly, we don't do `--srcdir'...
64
if test x"$srcdir" != 'x.' ; then
65
    echo "This configuration does not support the \`--srcdir' option.."
66 67 68
    exit 1
fi

sof's avatar
sof committed
69 70 71 72 73 74 75 76 77 78
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 --------------------------------------------------------------
79

80
AC_ARG_WITH([ghc],
81
[AC_HELP_STRING([--with-ghc=ARG],
82 83 84 85
  [Use ARG as the path to GHC  [default=autodetect]])],
  [WithGhc="$withval"],
  [if test "$GHC" = ""; then
    AC_PATH_PROG([GHC], [ghc])
86
  fi
87
  WithGhc="$GHC"])
88

89 90 91 92
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
93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
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
109 110 111 112 113 114 115
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
)

116 117
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
Ian Lynagh's avatar
Ian Lynagh committed
118

119 120
  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
121 122
  fi

123 124 125 126
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
127 128
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
129

130 131
  BOOTSTRAPPING_GHC_INFO_FIELD([OS_STAGE0],[target os])
  BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command])
132
  if test "x$OS_STAGE0" != "xOSDarwin"; then
133 134 135
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command])
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags])
    BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file])
136 137 138 139 140
  else
    AR_STAGE0='$(AR)'
    AR_OPTS_STAGE0='$(AR_OPTS)'
    ArSupportsAtFile_STAGE0='$(ArSupportsAtFile)'
  fi
141 142
fi

Simon Marlow's avatar
Simon Marlow committed
143
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
144
if test "$BootingFromHc" = "NO"; then
Simon Marlow's avatar
Simon Marlow committed
145 146 147
  if test "$WithGhc" = ""; then
     AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
  fi
148 149
  FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.4],
    [AC_MSG_ERROR([GHC version 7.4 or later is required to compile GHC.])])dnl
Simon Marlow's avatar
Simon Marlow committed
150 151 152 153 154 155 156 157 158 159

  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
160 161 162 163

  GHC_PACKAGE_DB_FLAG=package-db
  FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.5],GHC_PACKAGE_DB_FLAG=package-conf)
  AC_SUBST(GHC_PACKAGE_DB_FLAG)
Simon Marlow's avatar
Simon Marlow committed
164 165
fi;

166 167 168
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
169
    ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'`
170

171
    if test "$ghc_host_os" = "mingw32"
172 173 174 175 176 177
    then
        if test "${OSTYPE}" = "msys"
        then
            WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
        else
            # Canonicalise to <drive>:/path/to/ghc
178
            WithGhc=`cygpath -m "${WithGhc}"`
179 180 181 182 183 184
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

185 186 187
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

188 189 190
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
191 192
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
193

194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209
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

210 211 212 213 214 215 216 217 218 219 220 221 222
# Testing ARM ABI
# required for code generation (LLVM options)
ARM_ABI=SOFT

case $host in
     arm*-*-linux-gnueabihf)
     ARM_ABI=HARD
     ;;
     arm*-*-linux-gnueabi)
     ARM_ABI=SOFTFP
     ;;
esac

223
FPTOOLS_SET_PLATFORM_VARS
224

225 226
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
227
if test "$BootingFromHc" = "NO"
228
then
229 230 231 232 233 234 235
    if test "$BuildPlatform" != "$bootstrap_target"
    then
        echo "This GHC (${WithGhc}) does not generate code for the build platform"
        echo "   GHC target platform    : $bootstrap_target"
        echo "   Desired build platform : $BuildPlatform"
        exit 1
    fi
236 237
fi

238 239
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
240

241
SOLARIS_BROKEN_SHLD=NO
242

243 244 245 246 247 248 249 250 251
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
252

253 254
AC_SUBST(SOLARIS_BROKEN_SHLD)

255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277
dnl ** Do an unregisterised build?
dnl --------------------------------------------------------------
case "$HostArch" in
    i386|x86_64|powerpc|arm)
        UnregisterisedDefault=NO
        ;;
    *)
        UnregisterisedDefault=YES
        ;;
esac
AC_ARG_ENABLE(unregisterised,
[AC_HELP_STRING([--enable-unregisterised],
[Build an unregisterised compiler (enabled by default on platforms without registerised support) [default="$UnregisterisedDefault"]])],
[ if test x"$enableval" = x"yes"; then
        Unregisterised=YES
  else
        Unregisterised=NO
  fi
],
[Unregisterised="$UnregisterisedDefault"]
)
AC_SUBST(Unregisterised)

278 279 280 281 282 283 284 285 286
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)

287
# This uses GHC, so put it after the "GHC is required" check above:
288
FP_INTREE_GHC_PWD
289 290 291 292
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
293 294
    test -d inplace || mkdir inplace

Ian Lynagh's avatar
Ian Lynagh committed
295
    if test "$HostArch" = "i386"
296
    then
297 298 299 300 301 302 303 304 305 306 307 308 309 310
        # NB. If you update the tarballs to a new version of gcc, don't
        # forget to tweak the paths in driver/gcc/gcc.c.
        if ! test -d inplace/mingw ||
             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   ||
             test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz      ||
             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     ||
             test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma   ||
             test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
             test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
             test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
311
        then
312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331
            AC_MSG_NOTICE([Making in-tree mingw tree])
            rm -rf inplace/mingw
            mkdir inplace/mingw
            (
                cd inplace/mingw &&
                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   &&
                tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma    &&
                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   &&
                tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma   &&
                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    &&
                mv bin/gcc.exe bin/realgcc.exe
            )
            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
            AC_MSG_NOTICE([In-tree mingw tree created])
332
        fi
333 334 335 336
    else
        # NB. If you update the tarballs to a new version of gcc, don't
        # forget to tweak the paths in driver/gcc/gcc.c.
        if ! test -d inplace/mingw ||
337
             test inplace/mingw -ot ghc-tarballs/mingw64/*.tar.bz2
338 339 340 341 342 343
        then
            AC_MSG_NOTICE([Making in-tree mingw tree])
            rm -rf inplace/mingw
            mkdir inplace/mingw
            (
                cd inplace/mingw &&
344
                tar -jxf ../../ghc-tarballs/mingw64/*.tar.bz2
345 346 347
            )
            AC_MSG_NOTICE([In-tree mingw tree created])
        fi
348
    fi
349

350
    mingwbin="$hardtop/inplace/mingw/bin/"
351 352 353
    CC="${mingwbin}gcc.exe"
    LD="${mingwbin}ld.exe"
    NM="${mingwbin}nm.exe"
354
    OBJDUMP="${mingwbin}objdump.exe"
Ian Lynagh's avatar
Ian Lynagh committed
355
    fp_prog_ar="${mingwbin}ar.exe"
356

357 358 359 360 361 362 363 364 365 366 367 368
    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/perl
        (
            cd inplace/perl &&
            tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
        )
        AC_MSG_NOTICE([In-tree perl tree created])
    fi
369 370
fi

Ian Lynagh's avatar
Ian Lynagh committed
371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
# system libffi

AC_ARG_WITH([system-libffi],
[AC_HELP_STRING([--with-system-libffi],
  [Use system provided libffi for RTS [default=no]])
])

AS_IF([test "x$with_system_libffi" = "xyes"],
  [UseSystemLibFFI="YES"], [UseSystemLibFFI="NO"]
)


AC_SUBST(UseSystemLibFFI)

AC_ARG_WITH([ffi-includes],
[AC_HELP_STRING([--with-ffi-includes=ARG]
  [Find includes for libffi in ARG [default=system default]])
],
[
 if test "x$UseSystemLibFFI" != "xYES"; then
    AC_MSG_WARN([--with-ffi-includes will be ignored, --with-system-libffi not set])
 else
    FFIIncludeDir="$withval"
    LIBFFI_CFLAGS="-I $withval" 
 fi
])

AC_SUBST(FFIIncludeDir)

AC_ARG_WITH([ffi-libraries],
[AC_HELP_STRING([--with-ffi-libraries=ARG]
  [Find libffi in ARG [default=system default]])
],
[
 if test "x$UseSystemLibFFI" != "xYES"; then
    AC_MSG_WARN([--with-ffi-libraries will be ignored, --with-system-libffi not set])
 else
    FFILibDir="$withval" LIBFFI_LDFLAGS="-L$withval"
 fi
])

AC_SUBST(FFILibDir)

AS_IF([test "$UseSystemLibFFI" = "YES"], [
 CFLAGS2="$CFLAGS"
 CFLAGS="$LIBFFI_CFLAGS $CFLAGS"
 LDFLAGS2="$LDFLAGS"
 LDFLAGS="$LIBFFI_LDFLAGS $LDFLAGS"
 AC_CHECK_LIB(ffi, ffi_call,
  [AC_CHECK_HEADERS([ffi.h], [break], [])
   AC_DEFINE([HAVE_LIBFFI], [1], [Define to 1 if you have libffi.])],
  [AC_MSG_ERROR([Cannot find system libffi])])
 CFLAGS="$CFLAGS2"
 LDFLAGS="$LDFLAGS2"
])

FP_ICONV
FP_GMP

430
XCODE_VERSION()
Ian Lynagh's avatar
Ian Lynagh committed
431 432 433 434 435 436 437 438 439 440

SplitObjsBroken=NO
if test "$TargetOS_CPP" = "darwin"
then
    # Split objects is broken (#4013) with XCode < 3.2
    if test "$XCodeVersion1" -lt 3
    then
        SplitObjsBroken=YES
    else
        if test "$XCodeVersion1" -eq 3
441
        then
Ian Lynagh's avatar
Ian Lynagh committed
442
            if test "$XCodeVersion2" -lt 2
443
            then
Ian Lynagh's avatar
Ian Lynagh committed
444
                SplitObjsBroken=YES
445
            fi
446
        fi
447 448 449 450
    fi
fi
AC_SUBST([SplitObjsBroken])

451 452 453 454
dnl ** Building a cross compiler?
dnl --------------------------------------------------------------
CrossCompiling=NO
# If 'host' and 'target' differ, then this means we are building a cross-compiler.
Simon Marlow's avatar
Simon Marlow committed
455
if test "$target" != "$host" ; then
456 457 458 459 460 461 462 463 464 465
    CrossCompiling=YES
    cross_compiling=yes   # This tells configure that it can accept just 'target',
                          # otherwise you get
                          #   configure: error: cannot run C compiled programs.
                          #   If you meant to cross compile, use `--host'.
fi
if test "$build" != "$host" ; then
   AC_MSG_ERROR([
You've selected:

Simon Marlow's avatar
Simon Marlow committed
466 467 468
  BUILD:  $build   (the architecture we're building on)
  HOST:   $host    (the architecture the compiler we're building will execute on)
  TARGET: $target  (the architecture the compiler we're building will produce code for)
469

Simon Marlow's avatar
Simon Marlow committed
470 471 472 473
BUILD must equal HOST; that is, we do not support building GHC itself
with a cross-compiler.  To cross-compile GHC itself, set TARGET: stage
1 will be a cross-compiler, and stage 2 will be the cross-compiled
GHC.
474 475
])
fi
476 477
if test "$CrossCompiling" = "YES"
then
478 479 480 481 482
  CrossCompilePrefix="${target}-"
else
  CrossCompilePrefix=""
fi
TargetPlatformFull="${target}"
Simon Marlow's avatar
Simon Marlow committed
483
AC_SUBST(CrossCompiling)
484 485 486 487 488 489 490 491 492
AC_SUBST(CrossCompilePrefix)
AC_SUBST(TargetPlatformFull)
AC_ARG_WITH([alien],
[AC_HELP_STRING([--with-alien=ARG],
  [Supply script for running target binaries locally when cross-compiling])],
  [AlienScript="$withval"],
  [AlienScript=""])
AC_SUBST(AlienScript)

493 494
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
495 496 497
FIND_GCC([WhatGccIsCalled], [gcc], [gcc])
CC="$WhatGccIsCalled"
export CC
498 499 500

dnl ** Which ld to use?
dnl --------------------------------------------------------------
501
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
502 503 504 505 506
LdCmd="$LD"
AC_SUBST([LdCmd])

dnl ** Which nm to use?
dnl --------------------------------------------------------------
507
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm], [nm])
508 509 510
NmCmd="$NM"
AC_SUBST([NmCmd])

511 512 513 514 515 516 517 518 519 520
# Note: we may not have objdump on OS X, and we only need it on Windows (for DLL checks)
case $HostOS_CPP in
cygwin32|mingw32)
    dnl ** Which objdump to use?
    dnl --------------------------------------------------------------
    FP_ARG_WITH_PATH_GNU_PROG([OBJDUMP], [objdump], [objdump])
    ObjdumpCmd="$OBJDUMP"
    AC_SUBST([ObjdumpCmd])
    ;;
esac
521

522 523 524 525 526 527 528 529 530 531 532 533
dnl ** Which LLVM llc to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG_OPTIONAL([LLC], [llc])
LlcCmd="$LLC"
AC_SUBST([LlcCmd])

dnl ** Which LLVM opt to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG_OPTIONAL([OPT], [opt])
OptCmd="$OPT"
AC_SUBST([OptCmd])

534 535
dnl ** Mac OS X: explicit deployment target
dnl --------------------------------------------------------------
536 537 538 539
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="$withval"
540 541
 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
   # ignore everywhere, but on Mac OS
542 543
   AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
   FP_MACOSX_DEPLOYMENT_TARGET=none
544
 fi],
545
[FP_MACOSX_DEPLOYMENT_TARGET=none]
546
)
547 548 549
FP_CHECK_MACOSX_DEPLOYMENT_TARGET
AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
AC_SUBST(MACOSX_DEPLOYMENT_SDK)
550

sof's avatar
sof committed
551 552 553 554 555 556 557 558
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
559

560 561 562
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

563 564 565
if test "$TargetOS" = "mingw32"
then
    GhcLibsWithUnix=NO
566
else
567
    GhcLibsWithUnix=YES
568 569 570
fi
AC_SUBST([GhcLibsWithUnix])

571 572
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
573

Ian Lynagh's avatar
Ian Lynagh committed
574
dnl ** look for `perl'
rrt's avatar
rrt committed
575 576
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
577 578
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
579
*)
Ian Lynagh's avatar
Ian Lynagh committed
580 581 582 583 584 585 586 587 588 589
    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
590
esac
sof's avatar
sof committed
591

rrt's avatar
rrt committed
592 593
dnl ** look for GCC and find out which version
dnl     Figure out which C compiler to use.  Gcc is preferred.
Gabor Greif's avatar
Gabor Greif committed
594
dnl     If gcc, make sure it's at least 3.0
rrt's avatar
rrt committed
595
dnl
596
FP_GCC_VERSION
597

598 599 600 601
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND

602 603
FP_PROG_LD_HashSize31
FP_PROG_LD_ReduceMemoryOverheads
604 605 606 607
FP_PROG_LD_IS_GNU
FP_PROG_LD_BUILD_ID
FP_PROG_LD_NO_COMPACT_UNWIND

608

609 610 611
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])
612
# Stage 3 won't be supported by cross-compilation
613
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
614

615
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
616 617 618

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
619

620 621 622
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
623 624 625 626 627 628
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)
629 630 631
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
632

633 634 635 636 637
dnl ** Set up the variables for the platform in the settings file.
dnl May need to use gcc to find platform details.
dnl --------------------------------------------------------------
FPTOOLS_SET_HASKELL_PLATFORM_VARS

638
dnl ** figure out how to do context diffs
639
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
640

641 642 643
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
644 645
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
646

reid's avatar
reid committed
647
dnl If you can run configure, you certainly have /bin/sh
648
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
649

sof's avatar
sof committed
650
dnl ** how to invoke `ar' and `ranlib'
651
FP_PROG_AR_SUPPORTS_ATFILE
652
FP_PROG_AR_NEEDS_RANLIB
sof's avatar
sof committed
653

654
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
655 656
AC_PROG_LN_S

657
FP_SETTINGS
sof's avatar
sof committed
658 659

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
660
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
661

sof's avatar
sof committed
662 663

dnl ** check for time command
sof's avatar
sof committed
664 665
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
666 667
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
668
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
669

Ian Lynagh's avatar
Ian Lynagh committed
670 671 672 673
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

674 675 676 677
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
678
  if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
679 680 681 682 683
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

684
AC_PATH_PROG(HSCOLOUR,HsColour)
685
# HsColour is passed to Cabal, so we need a native path
686 687 688
if test "$HostOS"      = "mingw32" && \
   test "${OSTYPE}"   != "msys"    && \
   test "${HSCOLOUR}" != ""
689 690 691
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
692
fi
693

694 695
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
696
FP_DOCBOOK_XSL
697 698
FP_PROG_DBLATEX

reid's avatar
reid committed
699
dnl ** check for ghc-pkg command
700
FP_PROG_GHC_PKG
reid's avatar
reid committed
701

sof's avatar
sof committed
702
dnl ** check for installed happy binary + version
sof's avatar
sof committed
703
dnl    (don't do it if we're booting from .hc files though.)
704
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
705
FPTOOLS_HAPPY
sof's avatar
sof committed
706
fi;
sof's avatar
sof committed
707

708 709 710 711 712 713
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
714 715 716
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
717

sof's avatar
sof committed
718 719 720
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
721

722 723
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
724

725 726 727 728
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

729
dnl ** check for specific header (.h) files that we are interested in
pgj's avatar
pgj committed
730
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])
731

732 733
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
734

735
dnl ** do we have long longs?
736
AC_CHECK_TYPES([long long])
737

reid's avatar
reid committed
738
dnl ** what are the sizes of various types
739
AC_CHECK_SIZEOF(char,               1)
740 741
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
742 743
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
744
if test "$ac_cv_type_long_long" = yes; then
745
AC_CHECK_SIZEOF(long long,          8)
746 747 748 749 750
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
751
if test "$ac_cv_type_long_long" = yes; then
752 753
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
754
AC_CHECK_SIZEOF(unsigned short,     2)
755
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
756

757 758 759 760
dnl for use in settings.in
WordSize=$ac_cv_sizeof_void_p
AC_SUBST(WordSize)

reid's avatar
reid committed
761
dnl ** what are alignment constraints on various types
762 763 764 765 766 767 768
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
769
fi
770 771 772 773 774 775
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
776
fi
777 778
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
779

780 781
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
782

783 784
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
785 786 787 788 789

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,
790
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
791 792 793 794 795
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
796 797 798 799
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
800 801 802 803 804 805 806
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
807
  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
808 809 810
fi

dnl ** check for more functions
811
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
812
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
813

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
814 815 816 817 818 819 820
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>])

821 822 823 824 825
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
826
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
827 828
fi

sebc's avatar
sebc committed
829
dnl ** check for math library
830 831 832 833
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)
834 835 836 837 838
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
839

840 841
dnl ** check whether this machine has BFD and libiberty installed (used for debugging)
dnl    the order of these tests matters: bfd needs libiberty
842
AC_CHECK_LIB(iberty, xmalloc)
843
AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
844

reid's avatar
reid committed
845 846 847 848
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
849
dnl ** check whether we need -ldl to get dlopen()
850

Ian Lynagh's avatar
Ian Lynagh committed
851
AC_CHECK_LIB(dl, dlopen,
852 853
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
854
     LIBS="$LIBS -ldl"],
855 856 857
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

858
dnl --------------------------------------------------
sof's avatar
sof committed
859 860 861
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
862
dnl ** can we get alloca?
863
AC_FUNC_ALLOCA
sof's avatar
sof committed
864

865
dnl ** working vfork?
866
AC_FUNC_FORK
867

868 869
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
870

871 872
dnl ** are we big endian?
AC_C_BIGENDIAN
873
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
874

875
dnl ** check for leading underscores in symbol names
876
FP_LEADING_UNDERSCORE
877

878 879
FP_VISIBILITY_HIDDEN

880 881
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
882
AC_CHECK_FUNCS(clock_gettime timer_settime)
883
FP_CHECK_TIMER_CREATE
884

885
dnl ** check for Apple's "interesting" long double compatibility scheme
886 887
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
888 889 890 891 892 893 894 895 896 897 898
    [
        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).])
    ])

899 900 901 902
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

903 904 905 906 907 908 909 910 911 912 913
# 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])
914

915
# checking for PAPI
916 917 918 919 920
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)

921 922
AC_CHECK_FUNCS(__mingw_vfprintf)

923
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
924 925 926
   HavePapi=YES
else
   HavePapi=NO
927
fi
928
AC_SUBST(HavePapi)
929

Simon Marlow's avatar
Simon Marlow committed
930
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949
   test "$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)

950
LIBRARY_VERSION(base)
951
LIBRARY_VERSION(Cabal, Cabal/Cabal)
952
LIBRARY_VERSION(ghc-prim)
953 954
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
955

956 957 958 959
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

960
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])
961 962
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
963

964
# We got caught by
965 966 967 968
#     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.
969
# We would use "grep -q" here, but Solaris's grep doesn't support it.
970
checkMake380() {
971
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
972 973 974 975 976 977 978 979 980 981 982
    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
983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005
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 ["\
1006 1007
   Using GCC                 : $WhatGccIsCalled
      which is version       : $GccVersion
Simon Marlow's avatar
Simon Marlow committed
1008
   Building a cross compiler : $CrossCompiling
1009
   Alien script              : $AlienScript
Ian Lynagh's avatar
Ian Lynagh committed
1010 1011

   ld       : $LdCmd
1012 1013 1014 1015 1016
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027

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

1028 1029 1030
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
1031
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044

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
"