configure.ac 32 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 44 45 46
dnl ----------------------------------------------------------
dnl ** Find unixy sort and find commands, 
dnl ** which are needed by FP_SETUP_PROJECT_VERSION

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

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

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

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

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

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

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

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

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

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

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

92 93 94 95 96

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

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

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

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

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

127 128 129 130
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
131 132
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
133

134
  BOOTSTRAPPING_GHC_INFO_FIELD([OS_STAGE0],[target os],['unkown'])
135
  BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command],['$(CC)'])
136 137 138 139 140 141 142 143 144
  if test "x$OS_STAGE0" != "xOSDarwin"; then
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command],['$(AR)'])
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags],['$(AR_OPTS)'])
    BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file],['$(ArSupportsAtFile)'])
  else
    AR_STAGE0='$(AR)'
    AR_OPTS_STAGE0='$(AR_OPTS)'
    ArSupportsAtFile_STAGE0='$(ArSupportsAtFile)'
  fi
145 146
fi

Simon Marlow's avatar
Simon Marlow committed
147
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
148
if test "$BootingFromHc" = "NO"; then
Simon Marlow's avatar
Simon Marlow committed
149 150 151
  if test "$WithGhc" = ""; then
     AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
  fi
152 153
  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
154 155 156 157 158 159 160 161 162 163

  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
164 165 166 167

  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
168 169
fi;

170 171 172
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
173
    ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'`
174

175
    if test "$ghc_host_os" = "mingw32"
176 177 178 179 180 181
    then
        if test "${OSTYPE}" = "msys"
        then
            WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
        else
            # Canonicalise to <drive>:/path/to/ghc
182
            WithGhc=`cygpath -m "${WithGhc}"`
183 184 185 186 187 188
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

189 190 191
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

Ian Lynagh's avatar
Ian Lynagh committed
192 193
FP_ICONV
FP_GMP
194

195 196 197
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
198 199
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
200

201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
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

217 218 219 220 221 222 223 224 225 226 227 228 229 230
# 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

231
FPTOOLS_SET_PLATFORM_VARS
232

233 234
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
235
if test "$BootingFromHc" = "NO"
236
then
237 238 239 240 241 242 243
    if test "$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
244 245
fi

246 247
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
248

249
SOLARIS_BROKEN_SHLD=NO
250

251 252 253 254 255 256 257 258 259
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
260

261 262
AC_SUBST(SOLARIS_BROKEN_SHLD)

263 264 265 266 267 268 269 270 271
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)

272
# This uses GHC, so put it after the "GHC is required" check above:
273
FP_INTREE_GHC_PWD
274 275 276 277
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
278 279
    test -d inplace || mkdir inplace

Ian Lynagh's avatar
Ian Lynagh committed
280
    if test "$HostArch" = "i386"
281
    then
282 283 284 285 286 287 288 289 290 291 292 293 294 295
        # 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
296
        then
297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316
            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])
317
        fi
318 319 320 321
    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 ||
322
             test inplace/mingw -ot ghc-tarballs/mingw64/*.tar.bz2
323 324 325 326 327 328
        then
            AC_MSG_NOTICE([Making in-tree mingw tree])
            rm -rf inplace/mingw
            mkdir inplace/mingw
            (
                cd inplace/mingw &&
329
                tar -jxf ../../ghc-tarballs/mingw64/*.tar.bz2
330 331 332
            )
            AC_MSG_NOTICE([In-tree mingw tree created])
        fi
333
    fi
334

335
    mingwbin="$hardtop/inplace/mingw/bin/"
336 337 338
    CC="${mingwbin}gcc.exe"
    LD="${mingwbin}ld.exe"
    NM="${mingwbin}nm.exe"
339
    OBJDUMP="${mingwbin}objdump.exe"
Ian Lynagh's avatar
Ian Lynagh committed
340
    fp_prog_ar="${mingwbin}ar.exe"
341

342 343 344 345 346 347 348 349 350 351 352 353
    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
354 355
fi

356
XCODE_VERSION()
Ian Lynagh's avatar
Ian Lynagh committed
357 358 359 360 361 362 363 364 365 366

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 "$XCodeVersion1" -eq 3
367
        then
Ian Lynagh's avatar
Ian Lynagh committed
368
            if test "$XCodeVersion2" -lt 2
369
            then
Ian Lynagh's avatar
Ian Lynagh committed
370
                SplitObjsBroken=YES
371
            fi
372
        fi
373 374 375 376
    fi
fi
AC_SUBST([SplitObjsBroken])

377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395
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
396
if ! test "$host" = "$target" -o "$host" = "$build" ; then
397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412
   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
413 414
if test "$CrossCompiling" = "YES"
then
415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431
  CrossCompilePrefix="${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)

432 433
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
434 435 436
FIND_GCC([WhatGccIsCalled], [gcc], [gcc])
CC="$WhatGccIsCalled"
export CC
437 438 439

dnl ** Which ld to use?
dnl --------------------------------------------------------------
440
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
441 442 443 444 445
LdCmd="$LD"
AC_SUBST([LdCmd])

dnl ** Which nm to use?
dnl --------------------------------------------------------------
446
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm], [nm])
447 448 449
NmCmd="$NM"
AC_SUBST([NmCmd])

450 451 452 453 454 455 456 457 458 459
# 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
460

461 462 463 464 465 466 467 468 469 470 471 472
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])

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

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


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

499 500 501
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

502 503 504
if test "$TargetOS" = "mingw32"
then
    GhcLibsWithUnix=NO
505
else
506
    GhcLibsWithUnix=YES
507 508 509
fi
AC_SUBST([GhcLibsWithUnix])

510 511
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
512

Ian Lynagh's avatar
Ian Lynagh committed
513
dnl ** look for `perl'
rrt's avatar
rrt committed
514 515
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
516 517
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
518
*)
Ian Lynagh's avatar
Ian Lynagh committed
519 520 521 522 523 524 525 526 527 528
    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
529
esac
sof's avatar
sof committed
530

sof's avatar
sof committed
531
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
532
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
533

534 535 536
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
537 538
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
539
dnl     If gcc, make sure it's at least 3.0
rrt's avatar
rrt committed
540
dnl
541
FP_GCC_VERSION
542

543 544 545 546
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND

547 548 549
FP_PROG_LD_HashSize31
FP_PROG_LD_ReduceMemoryOverheads

550 551 552
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])
553
# Stage 3 won't be supported by cross-compilation
554
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
555

556
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
557 558 559

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
560

561 562 563
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
564 565 566 567 568 569
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)
570 571 572
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
573

574 575 576 577 578
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

579
dnl ** figure out how to do context diffs
580
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
581

582 583 584
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
585 586
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
587

reid's avatar
reid committed
588
dnl If you can run configure, you certainly have /bin/sh
589
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
590

sof's avatar
sof committed
591
dnl ** how to invoke `ar' and `ranlib'
592
FP_PROG_AR_SUPPORTS_ATFILE
593
FP_PROG_AR_NEEDS_RANLIB
sof's avatar
sof committed
594

595
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
596 597
AC_PROG_LN_S

598
FP_SETTINGS
sof's avatar
sof committed
599 600

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
601
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
602

sof's avatar
sof committed
603 604

dnl ** check for time command
sof's avatar
sof committed
605 606
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
607 608
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
609
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
610

Ian Lynagh's avatar
Ian Lynagh committed
611 612 613 614
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

615 616 617 618
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
619
  if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
620 621 622 623 624
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

625
AC_PATH_PROG(HSCOLOUR,HsColour)
626
# HsColour is passed to Cabal, so we need a native path
627 628 629
if test "$HostOS"      = "mingw32" && \
   test "${OSTYPE}"   != "msys"    && \
   test "${HSCOLOUR}" != ""
630 631 632
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
633
fi
634

635 636
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
637
FP_DOCBOOK_XSL
638 639
FP_PROG_DBLATEX

reid's avatar
reid committed
640
dnl ** check for ghc-pkg command
641
FP_PROG_GHC_PKG
reid's avatar
reid committed
642

sof's avatar
sof committed
643
dnl ** check for installed happy binary + version
sof's avatar
sof committed
644
dnl    (don't do it if we're booting from .hc files though.)
645
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
646
FPTOOLS_HAPPY
sof's avatar
sof committed
647
fi;
sof's avatar
sof committed
648

649 650 651 652 653 654
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
655 656 657
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
658

sof's avatar
sof committed
659 660 661
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
662

663 664
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
665

666 667 668 669
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

670
dnl ** check for specific header (.h) files that we are interested in
pgj's avatar
pgj committed
671
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])
672

673 674
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
675

676
dnl ** do we have long longs?
677
AC_CHECK_TYPES([long long])
678

reid's avatar
reid committed
679
dnl ** what are the sizes of various types
680
AC_CHECK_SIZEOF(char,               1)
681 682
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
683 684
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
685
if test "$ac_cv_type_long_long" = yes; then
686
AC_CHECK_SIZEOF(long long,          8)
687 688 689 690 691
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
692
if test "$ac_cv_type_long_long" = yes; then
693 694
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
695
AC_CHECK_SIZEOF(unsigned short,     2)
696
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
697

698 699 700 701
dnl for use in settings.in
WordSize=$ac_cv_sizeof_void_p
AC_SUBST(WordSize)

reid's avatar
reid committed
702
dnl ** what are alignment constraints on various types
703 704 705 706 707 708 709
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
710
fi
711 712 713 714 715 716
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
717
fi
718 719
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
720

721 722
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
723

724 725
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
726 727 728 729 730

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,
731
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
732 733 734 735 736
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
737 738 739 740
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
741 742 743 744 745 746 747
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
748
  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
749 750 751
fi

dnl ** check for more functions
752
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
753
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
754

755 756 757 758 759 760 761 762 763 764 765 766 767
if test "$cross_compiling" = "no" ; then
    AC_TRY_RUN([
    #include <sys/types.h>
    #include <sys/time.h>
    int main(void) {
      struct itimerval tval;
      tval.it_value.tv_sec = 1;
      tval.it_value.tv_usec = 0;
      tval.it_interval = tval.it_value;
      return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
    }
    ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
fi
768

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
769 770 771 772 773 774 775
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>])

776 777 778 779 780
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
781
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
782 783
fi

sebc's avatar
sebc committed
784
dnl ** check for math library
785 786 787 788
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)
789 790 791 792 793
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
794

795 796
dnl ** check whether this machine has BFD and libiberty installed (used for debugging)
dnl    the order of these tests matters: bfd needs libiberty
797
AC_CHECK_LIB(iberty, xmalloc)
798
AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
799

reid's avatar
reid committed
800 801 802 803
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
804
dnl ** check whether we need -ldl to get dlopen()
805

Ian Lynagh's avatar
Ian Lynagh committed
806
AC_CHECK_LIB(dl, dlopen,
807 808
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
809
     LIBS="$LIBS -ldl"],
810 811 812
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

813
dnl --------------------------------------------------
sof's avatar
sof committed
814 815 816
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
817
dnl ** can we get alloca?
818
AC_FUNC_ALLOCA
sof's avatar
sof committed
819

820
dnl ** working vfork?
821
AC_FUNC_FORK
822

823 824
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
825

826 827
dnl ** are we big endian?
AC_C_BIGENDIAN
828
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
829

830
dnl ** check for leading underscores in symbol names
831
FP_LEADING_UNDERSCORE
832

833 834
dnl ** check for ld, whether it has an -x option, and if it is GNU ld
FP_PROG_LD_IS_GNU
835
FP_PROG_LD_BUILD_ID
836
FP_PROG_LD_NO_COMPACT_UNWIND
sof's avatar
sof committed
837

838 839
FP_VISIBILITY_HIDDEN

840 841
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
842
AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
843
FP_CHECK_TIMER_CREATE
844

845
dnl ** check for Apple's "interesting" long double compatibility scheme
846 847
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
848 849 850 851 852 853 854 855 856 857 858
    [
        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).])
    ])

859 860 861 862
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

863 864 865 866 867 868 869 870 871 872 873
# 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])
874

875
# checking for PAPI
876 877 878 879 880
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)

881 882
AC_CHECK_FUNCS(__mingw_vfprintf)

883
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
884 885 886
   HavePapi=YES
else
   HavePapi=NO
887
fi
888
AC_SUBST(HavePapi)
889

Simon Marlow's avatar
Simon Marlow committed
890
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909
   test "$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)

910
LIBRARY_VERSION(base)
911
LIBRARY_VERSION(Cabal, Cabal/Cabal)
912
LIBRARY_VERSION(ghc-prim)
913 914
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
915

916 917 918 919
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

920
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])
921 922
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
923

924
# We got caught by
925 926 927 928
#     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.
929
# We would use "grep -q" here, but Solaris's grep doesn't support it.
930
checkMake380() {
931
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
932 933 934 935 936 937 938 939 940 941 942
    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
943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
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 ["\
966 967 968 969 970
   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
971 972

   ld       : $LdCmd
973 974
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
Ian Lynagh's avatar
Ian Lynagh committed
975
   Python   : $PythonCmd
976 977 978
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
979 980 981 982 983 984 985 986 987 988 989

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

990 991 992
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
993
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006

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
"