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 1994-2012
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 93

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
94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109
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
110 111 112 113 114 115 116
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
)

117 118
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
Ian Lynagh's avatar
Ian Lynagh committed
119

120 121
  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
122 123
  fi

124 125 126 127
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
128 129
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
130

131 132
  BOOTSTRAPPING_GHC_INFO_FIELD([OS_STAGE0],[target os])
  BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command])
133
  if test "x$OS_STAGE0" != "xOSDarwin"; then
134 135 136
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command])
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags])
    BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file])
137 138 139 140 141
  else
    AR_STAGE0='$(AR)'
    AR_OPTS_STAGE0='$(AR_OPTS)'
    ArSupportsAtFile_STAGE0='$(ArSupportsAtFile)'
  fi
142 143
fi

Simon Marlow's avatar
Simon Marlow committed
144
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
145
if test "$BootingFromHc" = "NO"; then
Simon Marlow's avatar
Simon Marlow committed
146 147 148
  if test "$WithGhc" = ""; then
     AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
  fi
149 150
  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
151 152 153 154 155 156 157 158 159 160

  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
161 162 163 164

  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
165 166
fi;

167 168 169
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
170
    ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'`
171

172
    if test "$ghc_host_os" = "mingw32"
173 174 175 176 177 178
    then
        if test "${OSTYPE}" = "msys"
        then
            WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
        else
            # Canonicalise to <drive>:/path/to/ghc
179
            WithGhc=`cygpath -m "${WithGhc}"`
180 181 182 183 184 185
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

186 187 188
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

Ian Lynagh's avatar
Ian Lynagh committed
189 190
FP_ICONV
FP_GMP
191

192 193 194
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
195 196
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
197

198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213
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

214 215 216 217 218 219 220 221 222 223 224 225 226 227
# Testing ARM ABI
# required for code generation (LLVM options)
ARM_ABI=SOFT
echo HOST: $host

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

228
FPTOOLS_SET_PLATFORM_VARS
229

230 231
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
232
if test "$BootingFromHc" = "NO"
233
then
234 235 236 237 238 239 240
    if test "$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
241 242
fi

243 244
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
245

246
SOLARIS_BROKEN_SHLD=NO
247

248 249 250 251 252 253 254 255 256
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
257

258 259
AC_SUBST(SOLARIS_BROKEN_SHLD)

260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282
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)

283 284 285 286 287 288 289 290 291
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)

292
# This uses GHC, so put it after the "GHC is required" check above:
293
FP_INTREE_GHC_PWD
294 295 296 297
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
298 299
    test -d inplace || mkdir inplace

Ian Lynagh's avatar
Ian Lynagh committed
300
    if test "$HostArch" = "i386"
301
    then
302 303 304 305 306 307 308 309 310 311 312 313 314 315
        # 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
316
        then
317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
            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])
337
        fi
338 339 340 341
    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 ||
342
             test inplace/mingw -ot ghc-tarballs/mingw64/*.tar.bz2
343 344 345 346 347 348
        then
            AC_MSG_NOTICE([Making in-tree mingw tree])
            rm -rf inplace/mingw
            mkdir inplace/mingw
            (
                cd inplace/mingw &&
349
                tar -jxf ../../ghc-tarballs/mingw64/*.tar.bz2
350 351 352
            )
            AC_MSG_NOTICE([In-tree mingw tree created])
        fi
353
    fi
354

355
    mingwbin="$hardtop/inplace/mingw/bin/"
356 357 358
    CC="${mingwbin}gcc.exe"
    LD="${mingwbin}ld.exe"
    NM="${mingwbin}nm.exe"
359
    OBJDUMP="${mingwbin}objdump.exe"
Ian Lynagh's avatar
Ian Lynagh committed
360
    fp_prog_ar="${mingwbin}ar.exe"
361

362 363 364 365 366 367 368 369 370 371 372 373
    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
374 375
fi

376
XCODE_VERSION()
Ian Lynagh's avatar
Ian Lynagh committed
377 378 379 380 381 382 383 384 385 386

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 "$XCodeVersion1" -eq 3
387
        then
Ian Lynagh's avatar
Ian Lynagh committed
388
            if test "$XCodeVersion2" -lt 2
389
            then
Ian Lynagh's avatar
Ian Lynagh committed
390
                SplitObjsBroken=YES
391
            fi
392
        fi
393 394 395 396
    fi
fi
AC_SUBST([SplitObjsBroken])

397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415
dnl ** Building a cross compiler?
dnl --------------------------------------------------------------
BuildingCrossCompiler=NO
PortingCompiler=NO
CrossCompiling=NO
# If 'host' and 'target' differ, then this means we are building a cross-compiler.
if test "$host" != "$target" ; then
    BuildingCrossCompiler=YES
    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
    CrossCompiling=YES
    PortingCompiler=YES
fi
# Note: cross_compiling is set to 'yes' in both 'port' and 'toolchain' cases
416
if ! test "$host" = "$target" -o "$host" = "$build" ; then
417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432
   AC_MSG_ERROR([
You've selected:

  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)

host must equal build or target. The two allowed cases are:

  --host=<arch> --target=<arch>   to _port_ GHC to run on a foreign architecture
                                  and produce code for that architecture
  --target=<arch>                 to build a cross compiler _toolchain_ that runs
                                  locally but produces code for a foreign
                                  architecture
])
fi
433 434
if test "$CrossCompiling" = "YES"
then
435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451
  CrossCompilePrefix="${target}-"
else
  CrossCompilePrefix=""
fi
TargetPlatformFull="${target}"
AC_SUBST(BuildingCrossCompiler)  # 'toolchain' case
AC_SUBST(PortingCompiler)        # 'port' case
AC_SUBST(CrossCompiling)         # BuildingCrossCompiler OR PortingCompiler
AC_SUBST(CrossCompilePrefix)
AC_SUBST(TargetPlatformFull)
AC_ARG_WITH([alien],
[AC_HELP_STRING([--with-alien=ARG],
  [Supply script for running target binaries locally when cross-compiling])],
  [AlienScript="$withval"],
  [AlienScript=""])
AC_SUBST(AlienScript)

452 453
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
454 455 456
FIND_GCC([WhatGccIsCalled], [gcc], [gcc])
CC="$WhatGccIsCalled"
export CC
457 458 459

dnl ** Which ld to use?
dnl --------------------------------------------------------------
460
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
461 462 463 464 465
LdCmd="$LD"
AC_SUBST([LdCmd])

dnl ** Which nm to use?
dnl --------------------------------------------------------------
466
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm], [nm])
467 468 469
NmCmd="$NM"
AC_SUBST([NmCmd])

470 471 472 473 474 475 476 477 478 479
# 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
480

481 482 483 484 485 486 487 488 489 490 491 492
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])

493 494
dnl ** Mac OS X: explicit deployment target
dnl --------------------------------------------------------------
495 496 497 498
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="$withval"
499 500
 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
   # ignore everywhere, but on Mac OS
501 502
   AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
   FP_MACOSX_DEPLOYMENT_TARGET=none
503
 fi],
504
[FP_MACOSX_DEPLOYMENT_TARGET=none]
505
)
506 507 508
FP_CHECK_MACOSX_DEPLOYMENT_TARGET
AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
AC_SUBST(MACOSX_DEPLOYMENT_SDK)
509

sof's avatar
sof committed
510 511 512 513 514 515 516 517
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
518

519 520 521
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

522 523 524
if test "$TargetOS" = "mingw32"
then
    GhcLibsWithUnix=NO
525
else
526
    GhcLibsWithUnix=YES
527 528 529
fi
AC_SUBST([GhcLibsWithUnix])

530 531
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
532

Ian Lynagh's avatar
Ian Lynagh committed
533
dnl ** look for `perl'
rrt's avatar
rrt committed
534 535
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
536 537
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
538
*)
Ian Lynagh's avatar
Ian Lynagh committed
539 540 541 542 543 544 545 546 547 548
    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
549
esac
sof's avatar
sof committed
550

551 552 553
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
554 555
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
556
dnl     If gcc, make sure it's at least 3.0
rrt's avatar
rrt committed
557
dnl
558
FP_GCC_VERSION
559

560 561 562 563
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND

564 565
FP_PROG_LD_HashSize31
FP_PROG_LD_ReduceMemoryOverheads
566 567 568 569
FP_PROG_LD_IS_GNU
FP_PROG_LD_BUILD_ID
FP_PROG_LD_NO_COMPACT_UNWIND

570

571 572 573
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])
574
# Stage 3 won't be supported by cross-compilation
575
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
576

577
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
578 579 580

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
581

582 583 584
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
585 586 587 588 589 590
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)
591 592 593
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
594

595 596 597 598 599
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

600
dnl ** figure out how to do context diffs
601
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
602

603 604 605
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
606 607
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
608

reid's avatar
reid committed
609
dnl If you can run configure, you certainly have /bin/sh
610
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
611

sof's avatar
sof committed
612
dnl ** how to invoke `ar' and `ranlib'
613
FP_PROG_AR_SUPPORTS_ATFILE
614
FP_PROG_AR_NEEDS_RANLIB
sof's avatar
sof committed
615

616
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
617 618
AC_PROG_LN_S

619
FP_SETTINGS
sof's avatar
sof committed
620 621

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
622
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
623

sof's avatar
sof committed
624 625

dnl ** check for time command
sof's avatar
sof committed
626 627
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
628 629
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
630
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
631

Ian Lynagh's avatar
Ian Lynagh committed
632 633 634 635
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

636 637 638 639
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
640
  if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
641 642 643 644 645
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

646
AC_PATH_PROG(HSCOLOUR,HsColour)
647
# HsColour is passed to Cabal, so we need a native path
648 649 650
if test "$HostOS"      = "mingw32" && \
   test "${OSTYPE}"   != "msys"    && \
   test "${HSCOLOUR}" != ""
651 652 653
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
654
fi
655

656 657
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
658
FP_DOCBOOK_XSL
659 660
FP_PROG_DBLATEX

reid's avatar
reid committed
661
dnl ** check for ghc-pkg command
662
FP_PROG_GHC_PKG
reid's avatar
reid committed
663

sof's avatar
sof committed
664
dnl ** check for installed happy binary + version
sof's avatar
sof committed
665
dnl    (don't do it if we're booting from .hc files though.)
666
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
667
FPTOOLS_HAPPY
sof's avatar
sof committed
668
fi;
sof's avatar
sof committed
669

670 671 672 673 674 675
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
676 677 678
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
679

sof's avatar
sof committed
680 681 682
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
683

684 685
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
686

687 688 689 690
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

691
dnl ** check for specific header (.h) files that we are interested in
pgj's avatar
pgj committed
692
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])
693

694 695
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
696

697
dnl ** do we have long longs?
698
AC_CHECK_TYPES([long long])
699

reid's avatar
reid committed
700
dnl ** what are the sizes of various types
701
AC_CHECK_SIZEOF(char,               1)
702 703
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
704 705
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
706
if test "$ac_cv_type_long_long" = yes; then
707
AC_CHECK_SIZEOF(long long,          8)
708 709 710 711 712
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
713
if test "$ac_cv_type_long_long" = yes; then
714 715
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
716
AC_CHECK_SIZEOF(unsigned short,     2)
717
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
718

719 720 721 722
dnl for use in settings.in
WordSize=$ac_cv_sizeof_void_p
AC_SUBST(WordSize)

reid's avatar
reid committed
723
dnl ** what are alignment constraints on various types
724 725 726 727 728 729 730
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
731
fi
732 733 734 735 736 737
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
738
fi
739 740
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
741

742 743
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
744

745 746
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
747 748 749 750 751

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,
752
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
753 754 755 756 757
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
758 759 760 761
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
762 763 764 765 766 767 768
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
769
  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
770 771 772
fi

dnl ** check for more functions
773
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
774
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
775

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
776 777 778 779 780 781 782
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>])

783 784 785 786 787
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
788
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
789 790
fi

sebc's avatar
sebc committed
791
dnl ** check for math library
792 793 794 795
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)
796 797 798 799 800
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
801

802 803
dnl ** check whether this machine has BFD and libiberty installed (used for debugging)
dnl    the order of these tests matters: bfd needs libiberty
804
AC_CHECK_LIB(iberty, xmalloc)
805
AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
806

reid's avatar
reid committed
807 808 809 810
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
811
dnl ** check whether we need -ldl to get dlopen()
812

Ian Lynagh's avatar
Ian Lynagh committed
813
AC_CHECK_LIB(dl, dlopen,
814 815
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
816
     LIBS="$LIBS -ldl"],
817 818 819
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

820
dnl --------------------------------------------------
sof's avatar
sof committed
821 822 823
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
824
dnl ** can we get alloca?
825
AC_FUNC_ALLOCA
sof's avatar
sof committed
826

827
dnl ** working vfork?
828
AC_FUNC_FORK
829

830 831
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
832

833 834
dnl ** are we big endian?
AC_C_BIGENDIAN
835
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
836

837
dnl ** check for leading underscores in symbol names
838
FP_LEADING_UNDERSCORE
839

840 841
FP_VISIBILITY_HIDDEN

842 843
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
844
AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
845
FP_CHECK_TIMER_CREATE
846

847
dnl ** check for Apple's "interesting" long double compatibility scheme
848 849
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
850 851 852 853 854 855 856 857 858 859 860
    [
        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).])
    ])

861 862 863 864
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

865 866 867 868 869 870 871 872 873 874 875
# 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])
876

877
# checking for PAPI
878 879 880 881 882
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)

883 884
AC_CHECK_FUNCS(__mingw_vfprintf)

885
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
886 887 888
   HavePapi=YES
else
   HavePapi=NO
889
fi
890
AC_SUBST(HavePapi)
891

Simon Marlow's avatar
Simon Marlow committed
892
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911
   test "$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)

912
LIBRARY_VERSION(base)
913
LIBRARY_VERSION(Cabal, Cabal/Cabal)
914
LIBRARY_VERSION(ghc-prim)
915 916
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
917

918 919 920 921
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

922
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])
923 924
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
925

926
# We got caught by
927 928 929 930
#     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.
931
# We would use "grep -q" here, but Solaris's grep doesn't support it.
932
checkMake380() {
933
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
934 935 936 937 938 939 940 941 942 943 944
    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
945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967
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 ["\
968 969 970 971 972
   Using GCC                 : $WhatGccIsCalled
      which is version       : $GccVersion
   Building a cross compiler : $BuildingCrossCompiler
   Porting to foreign arch   : $PortingCompiler
   Alien script              : $AlienScript
Ian Lynagh's avatar
Ian Lynagh committed
973 974

   ld       : $LdCmd
975 976
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
Ian Lynagh's avatar
Ian Lynagh committed
977
   Python   : $PythonCmd
978 979 980
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
981 982 983 984 985 986 987 988 989 990 991

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

992 993 994
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
995
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008

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
"