configure.ac 31.1 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], [6.13], [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"

178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196
dnl Allow to specify iconv options to the toplevel configure script
dnl so they can be properly passed to sub-builds.
dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
dnl to the empty string to allow them to be overridden from the
dnl environment.

AC_ARG_WITH([iconv-includes],
  [AC_HELP_STRING([--with-iconv-includes],
    [directory containing iconv.h])],
    [ICONV_INCLUDE_DIRS=$withval])

AC_ARG_WITH([iconv-libraries],
  [AC_HELP_STRING([--with-iconv-libraries],
    [directory containing iconv library])],
    [ICONV_LIB_DIRS=$withval])

AC_SUBST(ICONV_INCLUDE_DIRS)
AC_SUBST(ICONV_LIB_DIRS)

197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212
dnl Allow to specify gmp options to the toplevel configure script
dnl so they can be properly passed to sub-builds.

AC_ARG_WITH([gmp-includes],
  [AC_HELP_STRING([--with-gmp-includes],
    [directory containing gmp.h])],
    [GMP_INCLUDE_DIRS=$withval])

AC_ARG_WITH([gmp-libraries],
  [AC_HELP_STRING([--with-gmp-libraries],
    [directory containing gmp library])],
    [GMP_LIB_DIRS=$withval])

AC_SUBST(GMP_INCLUDE_DIRS)
AC_SUBST(GMP_LIB_DIRS)

213 214 215
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
216 217
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
218

219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242
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 "$build_alias" = ""
243 244 245
then
    if test "${WithGhc}" != ""
    then
246
        build=$bootstrap_target
247 248 249 250 251
        echo "Build platform inferred as: $build"
    else
        echo "Can't work out build platform"
        exit 1
    fi
252 253 254 255 256 257 258 259

    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])
260 261
fi

262
if test "$host_alias" = ""
263 264 265
then
    if test "${WithGhc}" != ""
    then
266
        host=$bootstrap_target
267 268 269 270 271
        echo "Host platform inferred as: $host"
    else
        echo "Can't work out host platform"
        exit 1
    fi
272 273 274 275 276 277 278 279

    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])
280 281
fi

282
if test "$target_alias" = ""
283 284 285
then
    if test "${WithGhc}" != ""
    then
286
        target=$bootstrap_target
287 288 289 290 291
        echo "Target platform inferred as: $target"
    else
        echo "Can't work out target platform"
        exit 1
    fi
292 293 294 295 296 297 298 299

    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])
300 301 302 303
fi

exeext=''
soext='.so'
Ian Lynagh's avatar
Ian Lynagh committed
304
case $host in
305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321
*-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

322 323 324 325 326 327
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])

328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351
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
352
    linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
353 354
        ;;
    *)
355
        echo "Unknown OS '$1'"
356 357 358 359 360
        exit 1
        ;;
    esac
}

361
BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
362 363 364 365
BuildPlatform_CPP=`echo "$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'`
366 367 368 369

checkArch "$BuildArch"
checkVendor "$BuildVendor"
checkOS "$BuildOS"
370

371
HostPlatform="$HostArch-$HostVendor-$HostOS"
372 373 374 375
HostPlatform_CPP=`echo "$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'`
376 377 378 379

checkArch "$HostArch"
checkVendor "$HostVendor"
checkOS "$HostOS"
380

381
TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
382 383 384 385
TargetPlatform_CPP=`echo "$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'`
386 387 388 389

checkArch "$TargetArch"
checkVendor "$TargetVendor"
checkOS "$TargetOS"
390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421

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)

422 423 424
AC_PATH_PROGS(NHC,nhc nhc98)
AC_PATH_PROG(HBC,hbc)

425 426 427 428 429 430 431 432
# This uses GHC, so put it after the "GHC is required" check above:
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
    CC="$hardtop/inplace/mingw/bin/gcc.exe"
    LD="$hardtop/inplace/mingw/bin/ld.exe"
    NM="$hardtop/inplace/mingw/bin/nm.exe"
433
    fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
434 435 436
    if ! test -d inplace/mingw ||
         test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
         test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
437
         test inplace/mingw -ot ghc-tarballs/mingw/gcc-g++*.tar.gz ||
438 439 440 441 442 443 444 445
         test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
         test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
         test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
    then
        AC_MSG_NOTICE([Making in-tree mingw tree])
        rm -rf inplace/mingw
        mkdir inplace
        mkdir inplace/mingw
Ian Lynagh's avatar
Ian Lynagh committed
446 447 448 449
        (
            cd inplace/mingw &&
            tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
            tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
450
            tar -zxf ../../ghc-tarballs/mingw/gcc-g++*.tar.gz &&
Ian Lynagh's avatar
Ian Lynagh committed
451 452 453 454 455
            tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
            tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
            tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
            mv bin/gcc.exe bin/realgcc.exe
        )
456
        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
457 458
        AC_MSG_NOTICE([In-tree mingw tree created])
    fi
459 460 461 462 463 464 465 466 467 468 469 470 471
    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
472 473
fi

sof's avatar
sof committed
474 475
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
476 477 478
FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
export CC
WhatGccIsCalled="$CC"
sof's avatar
sof committed
479 480
AC_SUBST(WhatGccIsCalled)

481 482
dnl ** Which ld to use?
dnl --------------------------------------------------------------
483 484 485
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
LdCmd="$LD"
AC_SUBST([LdCmd])
486

487 488 489 490 491
dnl ** Which nm to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
NmCmd="$NM"
AC_SUBST([NmCmd])
sof's avatar
sof committed
492

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

519 520 521 522 523 524 525 526 527 528
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])

529 530
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
531

rrt's avatar
rrt committed
532 533 534
dnl ** look for `perl', but only in /bin on Windows
case $HostOS_CPP in
cygwin32|mingw32)
sof's avatar
sof committed
535 536 537 538 539 540
      AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
      if test -z "$PerlCmd"; then
         echo "You must install the version of Perl shipped with GHC"
         echo "(or a compatible one) in /bin."
         exit 1
      fi
rrt's avatar
rrt committed
541 542 543 544 545 546 547 548 549 550 551 552
   ;;
*)
   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
   ;;
esac
sof's avatar
sof committed
553

sof's avatar
sof committed
554
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
555
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
556

557 558 559
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
560 561 562 563
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
564
FP_HAVE_GCC
565
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
566 567 568

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
569

570 571 572 573 574 575
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
576

577
dnl ** figure out how to do context diffs
578
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
579

580 581 582
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
583 584
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
585

reid's avatar
reid committed
586
dnl If you can run configure, you certainly have /bin/sh
587
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
588

sof's avatar
sof committed
589
dnl ** how to invoke `ar' and `ranlib'
590
FP_PROG_AR_SUPPORTS_ATFILE
591 592
FP_PROG_AR_NEEDS_RANLIB
FP_PROG_AR_SUPPORTS_INPUT
sof's avatar
sof committed
593

594
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
595 596
AC_PROG_LN_S

sof's avatar
sof committed
597 598

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
599
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
600

sof's avatar
sof committed
601 602

dnl ** check for time command
sof's avatar
sof committed
603 604
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
605 606
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
607
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
608

Ian Lynagh's avatar
Ian Lynagh committed
609 610 611 612
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

613 614 615 616 617 618 619 620 621 622
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)

623
AC_PATH_PROG(HSCOLOUR,HsColour)
624
# HsColour is passed to Cabal, so we need a native path
625 626 627 628 629 630
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HSCOLOUR}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
631
fi
632

633 634
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
635
FP_DOCBOOK_XSL
636 637
FP_PROG_DBLATEX

Ian Lynagh's avatar
Ian Lynagh committed
638 639
FP_PROG_HSTAGS

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
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/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

dnl ** what are alignment constraints on various types
699 700 701 702 703 704 705
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
706
fi
707 708 709 710 711 712
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
713
fi
714 715
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
716

717 718
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
719

720 721
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
722 723 724 725 726

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,
727
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
728 729 730 731 732
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
733 734 735 736
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
737 738 739 740 741 742 743
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
744
  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
745 746 747
fi

dnl ** check for more functions
748
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
749
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
750 751 752 753 754 755 756 757 758 759 760 761 762

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
763 764 765 766 767 768 769
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>])

770 771 772 773 774
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
775
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
776 777
fi

sebc's avatar
sebc committed
778
dnl ** check for math library
779 780 781 782
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)
783 784
AC_SEARCH_LIBS(atan, m, 
  [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
sebc's avatar
sebc committed
785

786 787 788 789 790
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
791 792 793 794
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
795
dnl ** check whether we need -ldl to get dlopen()
796

Ian Lynagh's avatar
Ian Lynagh committed
797
AC_CHECK_LIB(dl, dlopen,
798 799
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
800
     LIBS="$LIBS -ldl"],
801 802 803
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

804
dnl --------------------------------------------------
sof's avatar
sof committed
805 806 807
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
808
dnl ** can we get alloca?
809
AC_FUNC_ALLOCA
sof's avatar
sof committed
810

811
dnl ** Working vfork?
812
AC_FUNC_FORK
813

814 815
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
816

817 818
dnl ** are we big endian?
AC_C_BIGENDIAN
819
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
820

821
dnl ** check for leading underscores in symbol names
822
FP_LEADING_UNDERSCORE
823

824 825 826
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
827

828 829 830 831 832
dnl ** check for Apple-style dead-stripping support
dnl    (.subsections-via-symbols assembler directive)


AC_MSG_CHECKING(for .subsections_via_symbols)
833 834 835 836 837
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.])
838
    ],
839
    [AC_MSG_RESULT(no)])
840

841 842 843
dnl *** check for GNU non-executable stack note support (ELF only)
dnl     (.section .note.GNU-stack,"",@progbits)

844 845 846 847 848
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="$CFLAGS"
CFLAGS=
849 850 851 852 853 854 855 856
AC_MSG_CHECKING(for GNU non-executable stack support)
AC_COMPILE_IFELSE(
    [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
    [AC_MSG_RESULT(yes)
     AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
               [Define to 1 if GNU non-executable stack notes are supported.])
    ],
    [AC_MSG_RESULT(no)])
857
CFLAGS="$CFLAGS2"
858

859 860
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
861
AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
862
FP_CHECK_TIMER_CREATE
863

864
dnl ** check for Apple's "interesting" long double compatibility scheme
865 866
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
867 868 869 870 871 872 873 874 875 876 877
    [
        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).])
    ])

878 879 880 881 882 883 884 885 886 887 888
# 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])
889

890 891 892 893 894 895
#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)

896 897
AC_CHECK_FUNCS(__mingw_vfprintf)

898
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
899 900 901
   HavePapi=YES
else
   HavePapi=NO
902
fi
903
AC_SUBST(HavePapi)
904

Simon Marlow's avatar
Simon Marlow committed
905
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924
   test "$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)

925
LIBRARY_VERSION(base)
926 927
LIBRARY_VERSION(Cabal)
LIBRARY_VERSION(ghc-prim)
928 929
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
930

931 932 933 934
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

935
AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.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])
936 937
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
938 939 940 941 942 943

# 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.
944
# We would use "grep -q" here, but Solaris's grep doesn't support it.
945
checkMake380() {
946
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
947 948 949 950 951 952 953 954 955 956 957
    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
958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984
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
985 986
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
Ian Lynagh's avatar
Ian Lynagh committed
987
   Python   : $PythonCmd
988 989 990
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
991 992 993 994 995 996 997 998 999 1000 1001

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

1002 1003 1004
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
1005
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018

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
"