configure.ac 31.9 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!)
#

Austin Seipp's avatar
Austin Seipp committed
16
AC_INIT([The Glorious Glasgow Haskell Compilation System], [7.9], [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
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
42
FP_PROG_SORT
43 44

dnl ----------------------------------------------------------
45 46 47 48
FP_SETUP_PROJECT_VERSION

# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
49

50
# First off, a distrib sanity check..
51
AC_CONFIG_SRCDIR([mk/config.mk.in])
52

Gabor Greif's avatar
Gabor Greif committed
53
dnl * We require autoconf version 2.60
54 55
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.
Gabor Greif's avatar
Gabor Greif committed
56 57 58 59
dnl Using autoconf 2.59 started to give nonsense like this
dnl  #define SIZEOF_CHAR 0
dnl recently.
AC_PREREQ([2.60])
60

61 62 63
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
64 65
#
AC_CONFIG_HEADER(mk/config.h)
66

sof's avatar
sof committed
67
# No, semi-sadly, we don't do `--srcdir'...
68
if test x"$srcdir" != 'x.' ; then
69
    echo "This configuration does not support the \`--srcdir' option.."
70 71 72
    exit 1
fi

sof's avatar
sof committed
73 74 75 76 77 78 79 80 81 82
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 --------------------------------------------------------------
83

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

Ian Lynagh's avatar
Ian Lynagh committed
97 98 99 100 101 102 103
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
)

104 105
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
Ian Lynagh's avatar
Ian Lynagh committed
106

107 108
  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
109 110
  fi

111 112 113 114
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
115 116
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
117

118 119
  BOOTSTRAPPING_GHC_INFO_FIELD([OS_STAGE0],[target os])
  BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command])
Simon Marlow's avatar
Simon Marlow committed
120 121 122
  dnl ToDo, once "ld command" is reliably available.
  dnl Then, we can remove the LD_STAGE0 hack in mk/build-package-date.mk
  dnl BOOTSTRAPPING_GHC_INFO_FIELD([LD_STAGE0],[ld command])
123
  if test "x$OS_STAGE0" != "xOSDarwin"; then
124 125 126
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command])
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags])
    BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file])
127 128 129 130 131
  else
    AR_STAGE0='$(AR)'
    AR_OPTS_STAGE0='$(AR_OPTS)'
    ArSupportsAtFile_STAGE0='$(ArSupportsAtFile)'
  fi
132 133
fi

134
dnl ** Must have GHC to build GHC
ian@well-typed.com's avatar
ian@well-typed.com committed
135 136 137 138 139
if test "$WithGhc" = ""
then
    AC_MSG_ERROR([GHC is required.])
fi
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.4],
140
    [AC_MSG_ERROR([GHC version 7.4 or later is required to compile GHC.])])dnl
Simon Marlow's avatar
Simon Marlow committed
141

ian@well-typed.com's avatar
ian@well-typed.com committed
142 143 144 145
if test `expr $GhcMinVersion % 2` = "1"
then
    if test "$EnableBootstrapWithDevelSnaphost" = "NO"
    then
Simon Marlow's avatar
Simon Marlow committed
146 147 148 149 150
        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.])
ian@well-typed.com's avatar
ian@well-typed.com committed
151 152
    fi
fi
153

154 155 156
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.5],
                    GHC_PACKAGE_DB_FLAG=package-conf,
                    GHC_PACKAGE_DB_FLAG=package-db)
ian@well-typed.com's avatar
ian@well-typed.com committed
157
AC_SUBST(GHC_PACKAGE_DB_FLAG)
Simon Marlow's avatar
Simon Marlow committed
158

159 160 161 162 163 164
# GHC 7.7+ needs -fcmm-sink when compiling Parser.hs. See #8182
FP_COMPARE_VERSIONS([$GhcVersion],[-gt],[7.7],
                    CMM_SINK_BOOTSTRAP_IS_NEEDED=YES,
                    CMM_SINK_BOOTSTRAP_IS_NEEDED=NO)
AC_SUBST(CMM_SINK_BOOTSTRAP_IS_NEEDED)

165 166 167
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
168
    ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'`
169

170
    if test "$ghc_host_os" = "mingw32"
171 172 173 174 175 176
    then
        if test "${OSTYPE}" = "msys"
        then
            WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
        else
            # Canonicalise to <drive>:/path/to/ghc
177
            WithGhc=`cygpath -m "${WithGhc}"`
178 179 180 181 182 183
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

184 185 186
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

187 188 189
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
190 191
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
192

193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208
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

209
FPTOOLS_SET_PLATFORM_VARS
210

211 212
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
ian@well-typed.com's avatar
ian@well-typed.com committed
213 214 215 216 217 218 219
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
220

221 222
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
223

224
SOLARIS_BROKEN_SHLD=NO
225

226 227 228 229 230 231 232 233 234
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
235

236 237
AC_SUBST(SOLARIS_BROKEN_SHLD)

238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260
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)

261 262 263 264 265 266 267 268 269
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)

270
# This uses GHC, so put it after the "GHC is required" check above:
271
FP_INTREE_GHC_PWD
272 273 274 275
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
276 277
    test -d inplace || mkdir inplace

Ian Lynagh's avatar
Ian Lynagh committed
278
    if test "$HostArch" = "i386"
279
    then
280 281 282 283 284 285 286 287 288 289 290 291 292 293
        # 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
294
        then
295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314
            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])
315
        fi
316 317 318 319
    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 ||
320
             test inplace/mingw -ot ghc-tarballs/mingw64/*.tar.bz2
321 322 323 324 325 326
        then
            AC_MSG_NOTICE([Making in-tree mingw tree])
            rm -rf inplace/mingw
            mkdir inplace/mingw
            (
                cd inplace/mingw &&
327
                tar -jxf ../../ghc-tarballs/mingw64/*.tar.bz2
328 329 330
            )
            AC_MSG_NOTICE([In-tree mingw tree created])
        fi
331
    fi
332

333
    mingwbin="$hardtop/inplace/mingw/bin/"
334 335 336
    CC="${mingwbin}gcc.exe"
    LD="${mingwbin}ld.exe"
    NM="${mingwbin}nm.exe"
337
    RANLIB="${mingwbin}ranlib.exe"
338
    OBJDUMP="${mingwbin}objdump.exe"
Ian Lynagh's avatar
Ian Lynagh committed
339
    fp_prog_ar="${mingwbin}ar.exe"
340

341 342 343 344 345 346 347 348 349 350 351 352
    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
353 354
fi

Ian Lynagh's avatar
Ian Lynagh committed
355 356 357 358 359 360 361 362 363 364 365 366 367 368 369
# 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],
Simon Marlow's avatar
Simon Marlow committed
370
[AC_HELP_STRING([--with-ffi-includes=ARG],
Ian Lynagh's avatar
Ian Lynagh committed
371 372 373 374 375 376 377
  [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"
378
    LIBFFI_CFLAGS="-I$withval"
Ian Lynagh's avatar
Ian Lynagh committed
379 380 381 382 383 384
 fi
])

AC_SUBST(FFIIncludeDir)

AC_ARG_WITH([ffi-libraries],
Simon Marlow's avatar
Simon Marlow committed
385
[AC_HELP_STRING([--with-ffi-libraries=ARG],
Ian Lynagh's avatar
Ian Lynagh committed
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
  [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

414
XCODE_VERSION()
Ian Lynagh's avatar
Ian Lynagh committed
415 416 417 418 419 420 421 422 423 424

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 "$XCodeVersion1" -eq 3
425
        then
Ian Lynagh's avatar
Ian Lynagh committed
426
            if test "$XCodeVersion2" -lt 2
427
            then
Ian Lynagh's avatar
Ian Lynagh committed
428
                SplitObjsBroken=YES
429
            fi
430
        fi
431 432 433 434
    fi
fi
AC_SUBST([SplitObjsBroken])

435 436 437 438
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
439
if test "$target" != "$host" ; then
440 441 442 443 444 445 446 447 448 449
    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
450 451 452
  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)
453

Simon Marlow's avatar
Simon Marlow committed
454 455 456 457
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.
458 459
])
fi
460 461
if test "$CrossCompiling" = "YES"
then
462 463 464 465 466
  CrossCompilePrefix="${target}-"
else
  CrossCompilePrefix=""
fi
TargetPlatformFull="${target}"
Simon Marlow's avatar
Simon Marlow committed
467
AC_SUBST(CrossCompiling)
468 469 470
AC_SUBST(CrossCompilePrefix)
AC_SUBST(TargetPlatformFull)

471 472
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
473 474 475
FIND_GCC([WhatGccIsCalled], [gcc], [gcc])
CC="$WhatGccIsCalled"
export CC
476

477 478 479 480 481
# If --with-gcc was used, and we're not cross-compiling, then it also
# applies to the stage0 compiler.
MAYBE_OVERRIDE_STAGE0([gcc],[CC_STAGE0])
MAYBE_OVERRIDE_STAGE0([ar],[AR_STAGE0])

482 483
dnl ** Which ld to use?
dnl --------------------------------------------------------------
484
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
485 486 487 488 489
LdCmd="$LD"
AC_SUBST([LdCmd])

dnl ** Which nm to use?
dnl --------------------------------------------------------------
490
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm], [nm])
491 492 493
NmCmd="$NM"
AC_SUBST([NmCmd])

494 495 496 497 498 499 500 501 502 503 504 505 506 507
dnl ** Which ar to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([AR], [ar], [ar])
ArCmd="$AR"
fp_prog_ar="$AR"
AC_SUBST([ArCmd])

dnl ** Which ranlib to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([RANLIB], [ranlib], [ranlib])
RanlibCmd="$RANLIB"
RANLIB="$RanlibCmd"


508 509 510 511 512 513 514 515 516 517
# 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
518

519 520
dnl ** Which LLVM llc to use?
dnl --------------------------------------------------------------
521
FIND_LLVM_PROG([LLC], [llc], [llc])
522 523 524 525 526
LlcCmd="$LLC"
AC_SUBST([LlcCmd])

dnl ** Which LLVM opt to use?
dnl --------------------------------------------------------------
527
FIND_LLVM_PROG([OPT], [opt], [opt])
528 529 530
OptCmd="$OPT"
AC_SUBST([OptCmd])

sof's avatar
sof committed
531 532 533 534 535 536 537 538
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
539

540 541 542
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

543 544 545
if test "$TargetOS" = "mingw32"
then
    GhcLibsWithUnix=NO
546
else
547
    GhcLibsWithUnix=YES
548 549 550
fi
AC_SUBST([GhcLibsWithUnix])

551 552
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
553

Ian Lynagh's avatar
Ian Lynagh committed
554
dnl ** look for `perl'
rrt's avatar
rrt committed
555 556
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
557 558
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
559
*)
Ian Lynagh's avatar
Ian Lynagh committed
560 561 562 563 564 565 566 567 568 569
    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
570
esac
sof's avatar
sof committed
571

rrt's avatar
rrt committed
572 573
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
574
dnl     If gcc, make sure it's at least 3.0
rrt's avatar
rrt committed
575
dnl
576
FP_GCC_VERSION
577

578 579 580 581
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND

582 583 584
FP_PROG_LD_IS_GNU
FP_PROG_LD_BUILD_ID
FP_PROG_LD_NO_COMPACT_UNWIND
585
FP_PROG_LD_FILELIST
586

587

588 589 590 591
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])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
592
# Stage 3 won't be supported by cross-compilation
593

594
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
595 596 597

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
598

599 600 601
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
602 603 604 605 606 607
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)
608 609 610
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
611

612 613 614 615 616
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

617
dnl ** figure out how to do context diffs
618
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
619

620 621 622
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
623 624
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
625

reid's avatar
reid committed
626
dnl If you can run configure, you certainly have /bin/sh
627
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
628

sof's avatar
sof committed
629
dnl ** how to invoke `ar' and `ranlib'
630
FP_PROG_AR_SUPPORTS_ATFILE
631
FP_PROG_AR_NEEDS_RANLIB
sof's avatar
sof committed
632

633
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
634 635
AC_PROG_LN_S

636
FP_SETTINGS
sof's avatar
sof committed
637 638

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
639
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
640

sof's avatar
sof committed
641 642

dnl ** check for time command
sof's avatar
sof committed
643 644
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
645 646
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
647
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
648

Ian Lynagh's avatar
Ian Lynagh committed
649 650 651 652
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

653 654 655 656
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
657
  if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
658 659 660 661 662
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

663
AC_PATH_PROG(HSCOLOUR,HsColour)
664
# HsColour is passed to Cabal, so we need a native path
665 666 667
if test "$HostOS"      = "mingw32" && \
   test "${OSTYPE}"   != "msys"    && \
   test "${HSCOLOUR}" != ""
668 669 670
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
671
fi
672

673 674
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
675
FP_DOCBOOK_XSL
676 677
FP_PROG_DBLATEX

reid's avatar
reid committed
678
dnl ** check for ghc-pkg command
679
FP_PROG_GHC_PKG
reid's avatar
reid committed
680

sof's avatar
sof committed
681
dnl ** check for installed happy binary + version
sof's avatar
sof committed
682
FPTOOLS_HAPPY
sof's avatar
sof committed
683

684 685 686
dnl ** check for installed alex binary + version
FPTOOLS_ALEX

sof's avatar
sof committed
687 688 689
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
690

sof's avatar
sof committed
691 692 693
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
694

695 696
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
697

698 699 700 701
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

702
dnl ** check for specific header (.h) files that we are interested in
703 704 705 706 707 708 709 710
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/param.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])

dnl sys/cpuset.h needs sys/param.h to be included first on FreeBSD 9.1; #7708
AC_CHECK_HEADERS([sys/cpuset.h], [], [],
[[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]])
711

712 713
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
714

715
dnl ** do we have long longs?
716
AC_CHECK_TYPES([long long])
717

reid's avatar
reid committed
718
dnl ** what are the sizes of various types
719
AC_CHECK_SIZEOF(char,               1)
720 721
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
722 723
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
724
if test "$ac_cv_type_long_long" = yes; then
725
AC_CHECK_SIZEOF(long long,          8)
726 727 728 729 730
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
731
if test "$ac_cv_type_long_long" = yes; then
732 733
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
734
AC_CHECK_SIZEOF(unsigned short,     2)
735
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
736

737 738 739 740
dnl for use in settings.in
WordSize=$ac_cv_sizeof_void_p
AC_SUBST(WordSize)

reid's avatar
reid committed
741
dnl ** what are alignment constraints on various types
742 743 744 745 746 747 748
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
749
fi
750 751 752 753 754 755
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
756
fi
757 758
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
759

760 761
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
762

763 764
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
765 766 767 768 769

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,
770
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
771 772 773 774 775
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
776 777 778 779
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
780 781 782 783 784 785 786
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
787
  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
788 789 790
fi

dnl ** check for more functions
791
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
792
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
793

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
794 795 796 797 798 799 800
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>])

801 802 803 804 805
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
806
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
807 808
fi

sebc's avatar
sebc committed
809
dnl ** check for math library
810 811 812
dnl    Keep that check as early as possible.
dnl    as we need to know whether we need libm
dnl    for math functions or not
813
dnl    (see http://ghc.haskell.org/trac/ghc/ticket/3730)
814 815 816 817 818
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
819

820 821
dnl ** check whether this machine has BFD and libiberty installed (used for debugging)
dnl    the order of these tests matters: bfd needs libiberty
822
AC_CHECK_LIB(iberty, xmalloc)
823
AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
824

reid's avatar
reid committed
825 826 827 828
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
829
dnl ** check whether we need -ldl to get dlopen()
830

Ian Lynagh's avatar
Ian Lynagh committed
831
AC_CHECK_LIB(dl, dlopen,
832 833
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
834
     LIBS="$LIBS -ldl"],
835 836 837
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

838
dnl --------------------------------------------------
sof's avatar
sof committed
839 840 841
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
842
dnl ** can we get alloca?
843
AC_FUNC_ALLOCA
sof's avatar
sof committed
844

845
dnl ** working vfork?
846
AC_FUNC_FORK
847

848 849
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
850

851 852
dnl ** are we big endian?
AC_C_BIGENDIAN
853
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
854

855
dnl ** check for leading underscores in symbol names
856
FP_LEADING_UNDERSCORE
857

858 859
FP_VISIBILITY_HIDDEN

860 861
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
862
AC_CHECK_FUNCS(clock_gettime timer_settime)
863
FP_CHECK_TIMER_CREATE
864

865
dnl ** check for Apple's "interesting" long double compatibility scheme
866 867
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
868 869 870 871 872 873 874 875 876 877 878
    [
        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).])
    ])

879 880 881 882
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

883 884 885 886 887 888
dnl ** Check for __thread support in the compiler
AC_MSG_CHECKING(for __thread support)
AC_COMPILE_IFELSE(
  [ AC_LANG_SOURCE([[__thread int tester = 0;]]) ],
  [
   AC_MSG_RESULT(yes)
889
   AC_DEFINE([CC_SUPPORTS_TLS],[1],[Define to 1 if __thread is supported])
890 891 892
  ],
  [
   AC_MSG_RESULT(no)
893
   AC_DEFINE([CC_SUPPORTS_TLS],[0],[Define to 1 if __thread is supported])
894 895 896 897
  ])


dnl ** checking for PAPI
898 899 900 901 902
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)

903 904
AC_CHECK_FUNCS(__mingw_vfprintf)

905
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
906 907 908
   HavePapi=YES
else
   HavePapi=NO
909
fi
910
AC_SUBST(HavePapi)
911

Simon Marlow's avatar
Simon Marlow committed
912
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931
   test "$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)

932
LIBRARY_VERSION(base)
933
LIBRARY_VERSION(Cabal, Cabal/Cabal)
934
LIBRARY_VERSION(ghc-prim)
935 936
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
937

938 939 940 941
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

ian@well-typed.com's avatar
ian@well-typed.com committed
942
AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal settings docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/configure.ac])
943
AC_OUTPUT
944

945
# We got caught by
946 947 948 949
#     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.
950
# We would use "grep -q" here, but Solaris's grep doesn't support it.
951
checkMake380() {
952
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
953 954 955 956 957 958 959 960 961 962 963
    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
964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979
echo ["
----------------------------------------------------------------------
Configure completed successfully.

   Building GHC version  : $ProjectVersion

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

echo ["\
   Bootstrapping using   : $WithGhc
      which is version   : $GhcVersion
"]

980 981 982 983 984 985
if test "x$CC_LLVM_BACKEND" = "x1"; then
    if test "x$CC_CLANG_BACKEND" = "x1"; then
        CompilerName="clang        "
    else
        CompilerName="llvm-gcc     "
    fi
986
else
987
    CompilerName="gcc          "
988 989
fi

Ian Lynagh's avatar
Ian Lynagh committed
990
echo ["\
991
   Using $CompilerName       : $WhatGccIsCalled
992
      which is version       : $GccVersion
Simon Marlow's avatar
Simon Marlow committed
993
   Building a cross compiler : $CrossCompiling
Ian Lynagh's avatar
Ian Lynagh committed
994 995

   ld       : $LdCmd
996 997 998 999
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
1000 1001 1002 1003 1004
   xsltproc : $XsltprocCmd

   Using LLVM tools
      llc   : $LlcCmd
      opt   : $OptCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015

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

1016 1017 1018
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
1019
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030

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
1031
   http://ghc.haskell.org/trac/ghc/wiki/Building
Ian Lynagh's avatar
Ian Lynagh committed
1032
"