configure.ac 30.9 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 1994-2004
7
#
8
# Configure script template for GHC
9
#
10
# Process with 'autoreconf' to get a working configure script.
11
#
sof's avatar
sof committed
12 13 14 15
# For the generated configure script, do "./configure --help" to
# see what flags are available. (Better yet, read the documentation!)
#

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Simon Marlow's avatar
Simon Marlow committed
92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107
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
108 109 110 111 112 113 114
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
)

115 116
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
Ian Lynagh's avatar
Ian Lynagh committed
117

118 119
  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
120 121
  fi

122 123 124 125
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
126 127
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
Simon Marlow's avatar
Simon Marlow committed
128 129
  FP_COMPARE_VERSIONS($GhcVersion,[-ge],[6.10.2],
                      [ghc_ge_6102=YES], [ghc_ge_6102=NO])
130
  if test $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
131
  if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
Simon Marlow's avatar
Simon Marlow committed
132
  AC_SUBST(ghc_ge_6102)dnl
133
  AC_SUBST(ghc_ge_611)dnl
134
  AC_SUBST(ghc_ge_613)dnl
135 136
fi

Simon Marlow's avatar
Simon Marlow committed
137 138 139 140 141
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
  if test "$WithGhc" = ""; then
     AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
  fi
142 143
  FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.10],
    [AC_MSG_ERROR([GHC version 6.10 or later is required to compile GHC.])])dnl
Simon Marlow's avatar
Simon Marlow committed
144 145 146 147 148 149 150 151 152 153 154 155

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

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

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

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

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

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

187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210
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

# If no argument was given for a configuration variable, then discard
# the guessed canonical system and use the configuration of the
# bootstrapping ghc. If an argument was given, map it from gnu format
# to ghc format.
#
# For why we do it this way, see: #3637, #1717, #2951

if test "$build_alias" = ""
211 212 213
then
    if test "${WithGhc}" != ""
    then
214
        build=$bootstrap_target
215 216 217 218 219
        echo "Build platform inferred as: $build"
    else
        echo "Can't work out build platform"
        exit 1
    fi
220 221 222 223 224 225 226 227

    BuildArch=`echo "$build" | sed 's/-.*//'`
    BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
    BuildOS=`echo "$build" | sed 's/.*-//'`
else
    GHC_CONVERT_CPU([$build_cpu], [BuildArch])
    GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
    GHC_CONVERT_OS([$build_os], [BuildOS])
228 229
fi

230
if test "$host_alias" = ""
231 232 233
then
    if test "${WithGhc}" != ""
    then
234
        host=$bootstrap_target
235 236 237 238 239
        echo "Host platform inferred as: $host"
    else
        echo "Can't work out host platform"
        exit 1
    fi
240 241 242 243 244 245 246 247

    HostArch=`echo "$host" | sed 's/-.*//'`
    HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
    HostOS=`echo "$host" | sed 's/.*-//'`
else
    GHC_CONVERT_CPU([$host_cpu], [HostArch])
    GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
    GHC_CONVERT_OS([$host_os], [HostOS])
248 249
fi

250
if test "$target_alias" = ""
251 252 253
then
    if test "${WithGhc}" != ""
    then
254
        target=$bootstrap_target
255 256 257 258 259
        echo "Target platform inferred as: $target"
    else
        echo "Can't work out target platform"
        exit 1
    fi
260 261 262 263 264 265 266 267

    TargetArch=`echo "$target" | sed 's/-.*//'`
    TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
    TargetOS=`echo "$target" | sed 's/.*-//'`
else
    GHC_CONVERT_CPU([$target_cpu], [TargetArch])
    GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
    GHC_CONVERT_OS([$target_os], [TargetOS])
268 269 270 271
fi

exeext=''
soext='.so'
Ian Lynagh's avatar
Ian Lynagh committed
272
case $host in
273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289
*-unknown-cygwin32)
    AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
    AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
    exit 1
    ;;
*-unknown-mingw32)
    exeext='.exe'
    soext='.dll'
    ;;
i386-apple-darwin|powerpc-apple-darwin)
    soext='.dylib'
    ;;
x86_64-apple-darwin)
    soext='.dylib'
    ;;
esac

290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313
checkArch() {
    case $1 in
    alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
        ;;
    *)
        echo "Unknown arch $1"
        exit 1
        ;;
    esac
}

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

checkOS() {
    case $1 in
314
    linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
315 316
        ;;
    *)
317
        echo "Unknown OS '$1'"
318 319 320 321 322
        exit 1
        ;;
    esac
}

323
BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
324 325 326 327
BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildArch_CPP=`    echo "$BuildArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildVendor_CPP=`  echo "$BuildVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildOS_CPP=`      echo "$BuildOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
328 329 330 331

checkArch "$BuildArch"
checkVendor "$BuildVendor"
checkOS "$BuildOS"
332

333
HostPlatform="$HostArch-$HostVendor-$HostOS"
334 335 336 337
HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostArch_CPP=`    echo "$HostArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
HostVendor_CPP=`  echo "$HostVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
HostOS_CPP=`      echo "$HostOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
338 339 340 341

checkArch "$HostArch"
checkVendor "$HostVendor"
checkOS "$HostOS"
342

343
TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
344 345 346 347
TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetArch_CPP=`    echo "$TargetArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetVendor_CPP=`  echo "$TargetVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetOS_CPP=`      echo "$TargetOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
348 349 350 351

checkArch "$TargetArch"
checkVendor "$TargetVendor"
checkOS "$TargetOS"
352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383

AC_SUBST(BuildPlatform)
AC_SUBST(HostPlatform)
AC_SUBST(TargetPlatform)
AC_SUBST(HostPlatform_CPP)
AC_SUBST(BuildPlatform_CPP)
AC_SUBST(TargetPlatform_CPP)

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

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

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

AC_SUBST(exeext)
AC_SUBST(soext)

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)

384
# This uses GHC, so put it after the "GHC is required" check above:
385
FP_INTREE_GHC_PWD
386 387 388 389
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
390 391
    test -d inplace || mkdir inplace

392 393 394
    CC="$hardtop/inplace/mingw/bin/gcc.exe"
    LD="$hardtop/inplace/mingw/bin/ld.exe"
    NM="$hardtop/inplace/mingw/bin/nm.exe"
395
    fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
396
    if ! test -d inplace/mingw ||
Ian Lynagh's avatar
Ian Lynagh committed
397 398 399 400 401 402 403 404
         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/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/mingwrt*-dev.tar.gz ||
         test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
405
         test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
406 407 408 409
    then
        AC_MSG_NOTICE([Making in-tree mingw tree])
        rm -rf inplace/mingw
        mkdir inplace/mingw
Ian Lynagh's avatar
Ian Lynagh committed
410 411
        (
            cd inplace/mingw &&
Ian Lynagh's avatar
Ian Lynagh committed
412 413 414 415 416 417 418 419 420
            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/libgmp*.tar.lzma    &&
            tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma    &&
            tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.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    &&
Ian Lynagh's avatar
Ian Lynagh committed
421 422
            mv bin/gcc.exe bin/realgcc.exe
        )
423 424 425 426 427
        PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
        if ! test -e inplace/mingw/bin/gcc.exe
        then
            AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
        fi
428 429
        AC_MSG_NOTICE([In-tree mingw tree created])
    fi
430 431 432 433 434 435 436 437 438 439 440 441 442
    if ! test -d inplace/perl ||
         test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
    then
        AC_MSG_NOTICE([Making in-tree perl tree])
        rm -rf inplace/perl
        mkdir inplace
        mkdir inplace/perl
        (
            cd inplace/perl &&
            tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
        )
        AC_MSG_NOTICE([In-tree perl tree created])
    fi
443 444
fi

sof's avatar
sof committed
445 446
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
447 448 449
FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
export CC
WhatGccIsCalled="$CC"
sof's avatar
sof committed
450 451
AC_SUBST(WhatGccIsCalled)

452 453
dnl ** Which ld to use?
dnl --------------------------------------------------------------
454 455 456
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
LdCmd="$LD"
AC_SUBST([LdCmd])
457

458 459 460 461 462
dnl ** Which nm to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
NmCmd="$NM"
AC_SUBST([NmCmd])
sof's avatar
sof committed
463

464 465
dnl ** Mac OS X: explicit deployment target
dnl --------------------------------------------------------------
466 467 468 469
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="$withval"
470 471
 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
   # ignore everywhere, but on Mac OS
472 473
   AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
   FP_MACOSX_DEPLOYMENT_TARGET=none
474
 fi],
475
[FP_MACOSX_DEPLOYMENT_TARGET=none]
476
)
477 478 479
FP_CHECK_MACOSX_DEPLOYMENT_TARGET
AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
AC_SUBST(MACOSX_DEPLOYMENT_SDK)
480

sof's avatar
sof committed
481 482 483 484 485 486 487 488
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
489

490 491 492 493 494 495 496 497 498 499
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

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

500 501
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
502

Ian Lynagh's avatar
Ian Lynagh committed
503
dnl ** look for `perl'
rrt's avatar
rrt committed
504 505
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
506 507
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
508
*)
Ian Lynagh's avatar
Ian Lynagh committed
509 510 511 512 513 514 515 516 517 518
    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
519
esac
sof's avatar
sof committed
520

sof's avatar
sof committed
521
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
522
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
523

524 525 526
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
527 528 529 530
dnl ** look for GCC and find out which version
dnl     Figure out which C compiler to use.  Gcc is preferred.
dnl     If gcc, make sure it's at least 2.1
dnl
531
FP_HAVE_GCC
532 533 534 535 536 537 538

FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS])
FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1])
# Stage 3 won't be supported by cross-compilation
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2])

539
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
540 541 542

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
543

544 545 546 547 548 549
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
AC_SUBST(CONF_LD_OPTS_STAGE0)
AC_SUBST(CONF_LD_OPTS_STAGE1)
AC_SUBST(CONF_LD_OPTS_STAGE2)
rrt's avatar
rrt committed
550

551
dnl ** figure out how to do context diffs
552
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
553

554 555 556
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
557 558
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
559

reid's avatar
reid committed
560
dnl If you can run configure, you certainly have /bin/sh
561
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
562

sof's avatar
sof committed
563
dnl ** how to invoke `ar' and `ranlib'
564
FP_PROG_AR_SUPPORTS_ATFILE
565 566
FP_PROG_AR_NEEDS_RANLIB
FP_PROG_AR_SUPPORTS_INPUT
sof's avatar
sof committed
567

568
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
569 570
AC_PROG_LN_S

sof's avatar
sof committed
571 572

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
573
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
574

sof's avatar
sof committed
575 576

dnl ** check for time command
sof's avatar
sof committed
577 578
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
579 580
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
581
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
582

Ian Lynagh's avatar
Ian Lynagh committed
583 584 585 586
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

587 588 589 590 591 592 593 594 595 596
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
  if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

597
AC_PATH_PROG(HSCOLOUR,HsColour)
598
# HsColour is passed to Cabal, so we need a native path
599 600 601 602 603 604
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HSCOLOUR}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
605
fi
606

607 608
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
609
FP_DOCBOOK_XSL
610 611
FP_PROG_DBLATEX

Ian Lynagh's avatar
Ian Lynagh committed
612 613
FP_PROG_HSTAGS

reid's avatar
reid committed
614
dnl ** check for ghc-pkg command
615
FP_PROG_GHC_PKG
reid's avatar
reid committed
616

sof's avatar
sof committed
617
dnl ** check for installed happy binary + version
sof's avatar
sof committed
618
dnl    (don't do it if we're booting from .hc files though.)
619
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
620
FPTOOLS_HAPPY
sof's avatar
sof committed
621
fi;
sof's avatar
sof committed
622

623 624 625 626 627 628
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
629 630 631
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
632

sof's avatar
sof committed
633 634 635
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
636

637 638
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
639

640 641 642 643
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

644
dnl ** check for specific header (.h) files that we are interested in
pgj's avatar
pgj committed
645
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])
646

647 648
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
649

650
dnl ** do we have long longs?
651
AC_CHECK_TYPES([long long])
652

reid's avatar
reid committed
653
dnl ** what are the sizes of various types
654
AC_CHECK_SIZEOF(char,               1)
655 656
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
657 658
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
659
if test "$ac_cv_type_long_long" = yes; then
660
AC_CHECK_SIZEOF(long long,          8)
661 662 663 664 665
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
666
if test "$ac_cv_type_long_long" = yes; then
667 668
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
669
AC_CHECK_SIZEOF(unsigned short,     2)
670
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
671 672

dnl ** what are alignment constraints on various types
673 674 675 676 677 678 679
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
680
fi
681 682 683 684 685 686
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
687
fi
688 689
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
690

691 692
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
693

694 695
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
696 697 698 699 700

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,
701
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
702 703 704 705 706
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
707 708 709 710
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
711 712 713 714 715 716 717
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
718
  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
719 720 721
fi

dnl ** check for more functions
722
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
723
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
724 725 726 727 728 729 730 731 732 733 734 735 736

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

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
737 738 739 740 741 742 743
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>])

744 745 746 747 748
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
749
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
750 751
fi

sebc's avatar
sebc committed
752
dnl ** check for math library
753 754 755 756
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)
757 758 759 760 761
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
762

763 764 765 766 767
dnl ** check whether this machine has BFD and liberty installed (used for debugging)
dnl    the order of these tests matters: bfd needs liberty
AC_CHECK_LIB(iberty, xmalloc)
AC_CHECK_LIB(bfd,    bfd_init)

reid's avatar
reid committed
768 769 770 771
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
772
dnl ** check whether we need -ldl to get dlopen()
773

Ian Lynagh's avatar
Ian Lynagh committed
774
AC_CHECK_LIB(dl, dlopen,
775 776
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
777
     LIBS="$LIBS -ldl"],
778 779 780
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

781
dnl --------------------------------------------------
sof's avatar
sof committed
782 783 784
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
785
dnl ** can we get alloca?
786
AC_FUNC_ALLOCA
sof's avatar
sof committed
787

788
dnl ** Working vfork?
789
AC_FUNC_FORK
790

791 792
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
793

794 795
dnl ** are we big endian?
AC_C_BIGENDIAN
796
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
797

798
dnl ** check for leading underscores in symbol names
799
FP_LEADING_UNDERSCORE
800

801 802 803
dnl ** check for ld, whether it has an -x option, and if it is GNU ld
FP_PROG_LD_X
FP_PROG_LD_IS_GNU
sof's avatar
sof committed
804

805 806 807 808 809
dnl ** check for Apple-style dead-stripping support
dnl    (.subsections-via-symbols assembler directive)


AC_MSG_CHECKING(for .subsections_via_symbols)
810 811 812 813 814
AC_COMPILE_IFELSE(
    [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
    [AC_MSG_RESULT(yes)
     AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
               [Define to 1 if Apple-style dead-stripping is supported.])
815
    ],
816
    [AC_MSG_RESULT(no)])
817

818 819 820
dnl *** check for GNU non-executable stack note support (ELF only)
dnl     (.section .note.GNU-stack,"",@progbits)

821 822 823 824 825
dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
dnl     Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
dnl so we empty CFLAGS while running this test
CFLAGS2="$CFLAGS"
CFLAGS=
826 827 828 829 830 831 832 833
AC_MSG_CHECKING(for GNU non-executable stack support)
AC_COMPILE_IFELSE(
    [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
    [AC_MSG_RESULT(yes)
     AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
               [Define to 1 if GNU non-executable stack notes are supported.])
    ],
    [AC_MSG_RESULT(no)])
834
CFLAGS="$CFLAGS2"
835

836 837
FP_VISIBILITY_HIDDEN

838 839
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
840
AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
841
FP_CHECK_TIMER_CREATE
842

843
dnl ** check for Apple's "interesting" long double compatibility scheme
844 845
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
846 847 848 849 850 851 852 853 854 855 856
    [
        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).])
    ])

857 858 859 860
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

861 862 863 864 865 866 867 868 869 870 871
# 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])
872

873 874 875 876 877 878
#Checking for PAPI
AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
AC_SUBST(HavePapiLib)
AC_SUBST(HavePapiHeader)

879 880
AC_CHECK_FUNCS(__mingw_vfprintf)

881
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
882 883 884
   HavePapi=YES
else
   HavePapi=NO
885
fi
886
AC_SUBST(HavePapi)
887

Simon Marlow's avatar
Simon Marlow committed
888
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907
   test "$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)

908
LIBRARY_VERSION(base)
909 910
LIBRARY_VERSION(Cabal)
LIBRARY_VERSION(ghc-prim)
911 912
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
913

914 915 916 917
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 Lynagh's avatar
Ian Lynagh committed
918
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 extra-gcc-opts docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac distrib/MacOS/installer-scripts/create-links distrib/MacOS/installer-scripts/Uninstaller distrib/MacOS/GHC-system.pmdoc/index.xml])
919 920
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
921 922 923 924 925 926

# We get caught by
#     http://savannah.gnu.org/bugs/index.php?1516
#     $(eval ...) inside conditionals causes errors
# with make 3.80, so warn the user if it looks like they're about to
# try to use it.
927
# We would use "grep -q" here, but Solaris's grep doesn't support it.
928
checkMake380() {
929
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
930 931 932 933 934 935 936 937 938 939 940
    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
941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967
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 ["\
   Using GCC             : $WhatGccIsCalled
      which is version   : $GccVersion

   ld       : $LdCmd
968 969
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
Ian Lynagh's avatar
Ian Lynagh committed
970
   Python   : $PythonCmd
971 972 973
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
974 975 976 977 978 979 980 981 982 983 984

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

985 986 987
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
988
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
989 990 991 992 993 994 995 996 997 998 999 1000 1001

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
"