configure.ac 27.7 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], [7.5], [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

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([CC_STAGE0],[C compiler command],['$(CC)'])
135 136 137
  BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command],['$(AR)'])
  BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags],['$(AR_OPTS)'])
  BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file],['$(ArSupportsAtFile)'])
138 139
fi

Simon Marlow's avatar
Simon Marlow committed
140
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
141
if test "$BootingFromHc" = "NO"; then
Simon Marlow's avatar
Simon Marlow committed
142 143 144
  if test "$WithGhc" = ""; then
     AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
  fi
145 146
  FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.0],
    [AC_MSG_ERROR([GHC version 7.0 or later is required to compile GHC.])])dnl
Simon Marlow's avatar
Simon Marlow committed
147 148 149 150 151 152 153 154 155 156 157 158

  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;

159 160 161
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
162
    ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
163 164 165 166 167 168 169 170

    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
171
            WithGhc=`cygpath -m "${WithGhc}"`
172 173 174 175 176 177
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

178 179 180
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

Ian Lynagh's avatar
Ian Lynagh committed
181 182
FP_ICONV
FP_GMP
183

184 185 186
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
187 188
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
189

190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205
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

206
FPTOOLS_SET_PLATFORM_VARS
207

208 209
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
210
if test "$BootingFromHc" = "NO"
211
then
212 213 214 215 216 217 218
    if test "$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
219 220
fi

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

224
SOLARIS_BROKEN_SHLD=NO
225

226 227 228 229 230 231 232 233 234
case $host in
     i386-*-solaris2)
     # here we go with the test
     MINOR=`uname -r|cut -d '.' -f 2-`
     if test "$MINOR" -lt "11"; then
     	SOLARIS_BROKEN_SHLD=YES
     fi
     ;;
esac
235

236 237
AC_SUBST(SOLARIS_BROKEN_SHLD)

238 239 240 241 242 243 244 245 246
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)

247
# This uses GHC, so put it after the "GHC is required" check above:
248
FP_INTREE_GHC_PWD
249 250 251 252
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
253 254
    test -d inplace || mkdir inplace

255 256 257
    CC="$hardtop/inplace/mingw/bin/gcc.exe"
    LD="$hardtop/inplace/mingw/bin/ld.exe"
    NM="$hardtop/inplace/mingw/bin/nm.exe"
258
    fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
259 260 261

    # NB. If you update the tarbballs to a new version of gcc, don't
    # forget to tweak the paths in driver/gcc/gcc.c.
262
    if ! test -d inplace/mingw ||
Ian Lynagh's avatar
Ian Lynagh committed
263 264 265
         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   ||
Simon Marlow's avatar
Simon Marlow committed
266
         test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz      ||
Ian Lynagh's avatar
Ian Lynagh committed
267 268 269
         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     ||
270
         test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma   ||
Ian Lynagh's avatar
Ian Lynagh committed
271 272
         test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
         test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
273
         test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
274 275 276 277
    then
        AC_MSG_NOTICE([Making in-tree mingw tree])
        rm -rf inplace/mingw
        mkdir inplace/mingw
Ian Lynagh's avatar
Ian Lynagh committed
278 279
        (
            cd inplace/mingw &&
Ian Lynagh's avatar
Ian Lynagh committed
280 281 282
            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   &&
Simon Marlow's avatar
Simon Marlow committed
283
            tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma    &&
Ian Lynagh's avatar
Ian Lynagh committed
284 285 286
            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   &&
287
            tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma   &&
Ian Lynagh's avatar
Ian Lynagh committed
288 289 290
            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
291 292
            mv bin/gcc.exe bin/realgcc.exe
        )
293 294 295 296 297
        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
298 299
        AC_MSG_NOTICE([In-tree mingw tree created])
    fi
300 301 302 303 304 305 306 307 308 309 310 311 312
    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
313 314
fi

315
XCODE_VERSION()
Ian Lynagh's avatar
Ian Lynagh committed
316 317 318 319 320 321 322 323 324 325

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 "$XCodeVersion1" -eq 3
326
        then
Ian Lynagh's avatar
Ian Lynagh committed
327
            if test "$XCodeVersion2" -lt 2
328
            then
Ian Lynagh's avatar
Ian Lynagh committed
329
                SplitObjsBroken=YES
330
            fi
331
        fi
332 333 334 335
    fi
fi
AC_SUBST([SplitObjsBroken])

336 337
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
338
FIND_GCC()
339 340 341 342 343 344 345 346 347 348 349 350 351

dnl ** Which ld to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
LdCmd="$LD"
AC_SUBST([LdCmd])

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

352 353
dnl ** Mac OS X: explicit deployment target
dnl --------------------------------------------------------------
354 355 356 357
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="$withval"
358 359
 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
   # ignore everywhere, but on Mac OS
360 361
   AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
   FP_MACOSX_DEPLOYMENT_TARGET=none
362
 fi],
363
[FP_MACOSX_DEPLOYMENT_TARGET=none]
364
)
365 366 367
FP_CHECK_MACOSX_DEPLOYMENT_TARGET
AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
AC_SUBST(MACOSX_DEPLOYMENT_SDK)
368

sof's avatar
sof committed
369 370 371 372 373 374 375 376
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
377

378 379 380 381 382 383 384 385 386 387
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])

388 389
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
390

Ian Lynagh's avatar
Ian Lynagh committed
391
dnl ** look for `perl'
rrt's avatar
rrt committed
392 393
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
394 395
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
396
*)
Ian Lynagh's avatar
Ian Lynagh committed
397 398 399 400 401 402 403 404 405 406
    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
407
esac
sof's avatar
sof committed
408

sof's avatar
sof committed
409
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
410
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
411

412 413 414
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
415 416 417 418
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
419
FP_GCC_VERSION
420

421 422 423 424
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND

425 426 427
FP_PROG_LD_HashSize31
FP_PROG_LD_ReduceMemoryOverheads

428 429 430
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])
431
# Stage 3 won't be supported by cross-compilation
432
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
433

434
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
435 436 437

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
438

439 440 441
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
442 443 444 445 446 447
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)
448 449 450
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
451

452 453 454 455 456
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

457
FP_SETTINGS
458

459
dnl ** figure out how to do context diffs
460
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
461

462 463 464
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
465 466
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
467

reid's avatar
reid committed
468
dnl If you can run configure, you certainly have /bin/sh
469
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
470

sof's avatar
sof committed
471
dnl ** how to invoke `ar' and `ranlib'
472
FP_PROG_AR_SUPPORTS_ATFILE
473
FP_PROG_AR_NEEDS_RANLIB
sof's avatar
sof committed
474

475
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
476 477
AC_PROG_LN_S

sof's avatar
sof committed
478 479

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
480
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
481

sof's avatar
sof committed
482 483

dnl ** check for time command
sof's avatar
sof committed
484 485
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
486 487
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
488
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
489

Ian Lynagh's avatar
Ian Lynagh committed
490 491 492 493
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

494 495 496 497
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
498
  if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
499 500 501 502 503
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

504
AC_PATH_PROG(HSCOLOUR,HsColour)
505
# HsColour is passed to Cabal, so we need a native path
506 507 508 509 510 511
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HSCOLOUR}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
512
fi
513

514 515
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
516
FP_DOCBOOK_XSL
517 518
FP_PROG_DBLATEX

reid's avatar
reid committed
519
dnl ** check for ghc-pkg command
520
FP_PROG_GHC_PKG
reid's avatar
reid committed
521

sof's avatar
sof committed
522
dnl ** check for installed happy binary + version
sof's avatar
sof committed
523
dnl    (don't do it if we're booting from .hc files though.)
524
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
525
FPTOOLS_HAPPY
sof's avatar
sof committed
526
fi;
sof's avatar
sof committed
527

528 529 530 531 532 533
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
534 535 536
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
537

sof's avatar
sof committed
538 539 540
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
541

542 543
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
544

545 546 547 548
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

549
dnl ** check for specific header (.h) files that we are interested in
pgj's avatar
pgj committed
550
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])
551

552 553
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
554

555
dnl ** do we have long longs?
556
AC_CHECK_TYPES([long long])
557

reid's avatar
reid committed
558
dnl ** what are the sizes of various types
559
AC_CHECK_SIZEOF(char,               1)
560 561
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
562 563
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
564
if test "$ac_cv_type_long_long" = yes; then
565
AC_CHECK_SIZEOF(long long,          8)
566 567 568 569 570
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
571
if test "$ac_cv_type_long_long" = yes; then
572 573
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
574
AC_CHECK_SIZEOF(unsigned short,     2)
575
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
576 577

dnl ** what are alignment constraints on various types
578 579 580 581 582 583 584
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
585
fi
586 587 588 589 590 591
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
592
fi
593 594
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
595

596 597
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
598

599 600
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
601 602 603 604 605

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,
606
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
607 608 609 610 611
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
612 613 614 615
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
616 617 618 619 620 621 622
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
623
  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
624 625 626
fi

dnl ** check for more functions
627
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
628
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
629 630 631 632 633 634 635 636 637 638 639 640 641

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
642 643 644 645 646 647 648
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>])

649 650 651 652 653
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
654
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
655 656
fi

sebc's avatar
sebc committed
657
dnl ** check for math library
658 659 660 661
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)
662 663 664 665 666
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
667

668 669 670
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)
671
AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
672

reid's avatar
reid committed
673 674 675 676
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
677
dnl ** check whether we need -ldl to get dlopen()
678

Ian Lynagh's avatar
Ian Lynagh committed
679
AC_CHECK_LIB(dl, dlopen,
680 681
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
682
     LIBS="$LIBS -ldl"],
683 684 685
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

686
dnl --------------------------------------------------
sof's avatar
sof committed
687 688 689
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
690
dnl ** can we get alloca?
691
AC_FUNC_ALLOCA
sof's avatar
sof committed
692

693
dnl ** Working vfork?
694
AC_FUNC_FORK
695

696 697
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
698

699 700
dnl ** are we big endian?
AC_C_BIGENDIAN
701
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
702

703
dnl ** check for leading underscores in symbol names
704
FP_LEADING_UNDERSCORE
705

706 707 708
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
709
FP_PROG_LD_BUILD_ID
710
FP_PROG_LD_NO_COMPACT_UNWIND
sof's avatar
sof committed
711

712 713
FP_VISIBILITY_HIDDEN

714 715
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
716
AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
717
FP_CHECK_TIMER_CREATE
718

719
dnl ** check for Apple's "interesting" long double compatibility scheme
720 721
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
722 723 724 725 726 727 728 729 730 731 732
    [
        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).])
    ])

733 734 735 736
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

737 738 739 740 741 742 743 744 745 746 747
# 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])
748

749 750 751 752 753 754
#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)

755 756
AC_CHECK_FUNCS(__mingw_vfprintf)

757
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
758 759 760
   HavePapi=YES
else
   HavePapi=NO
761
fi
762
AC_SUBST(HavePapi)
763

Simon Marlow's avatar
Simon Marlow committed
764
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783
   test "$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)

784
LIBRARY_VERSION(base)
785
LIBRARY_VERSION(Cabal, Cabal/Cabal)
786
LIBRARY_VERSION(ghc-prim)
787 788
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
789

790 791 792 793
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

794
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])
795 796
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
797 798 799 800 801 802

# 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.
803
# We would use "grep -q" here, but Solaris's grep doesn't support it.
804
checkMake380() {
805
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
806 807 808 809 810 811 812 813 814 815 816
    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
817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843
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
844 845
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
Ian Lynagh's avatar
Ian Lynagh committed
846
   Python   : $PythonCmd
847 848 849
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
850 851 852 853 854 855 856 857 858 859 860

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

861 862 863
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
864
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
865 866 867 868 869 870 871 872 873 874 875 876 877

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
"