aclocal.m4 55.3 KB
Newer Older
1 2 3 4
# Extra autoconf macros for the Glasgow fptools
#
# To be a good autoconf citizen, names of local macros have prefixed with FP_ to
# ensure we don't clash with any pre-supplied autoconf ones.
sof's avatar
sof committed
5

6

7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
# FPTOOLS_SET_PLATFORM_VARS
# ----------------------------------
# Set the platform variables
AC_DEFUN([FPTOOLS_SET_PLATFORM_VARS],
[
    # 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
    #
    # In bindists, we haven't called AC_CANONICAL_{BUILD,HOST,TARGET}
    # so this justs uses $bootstrap_target.

    if test "$build_alias" = ""
    then
        if test "$bootstrap_target" != ""
        then
            build=$bootstrap_target
            echo "Build platform inferred as: $build"
        else
            echo "Can't work out build platform"
            exit 1
        fi

        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])
    fi

    if test "$host_alias" = ""
    then
        if test "$bootstrap_target" != ""
        then
            host=$bootstrap_target
            echo "Host platform inferred as: $host"
        else
            echo "Can't work out host platform"
            exit 1
        fi

        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])
    fi

    if test "$target_alias" = ""
    then
        if test "$bootstrap_target" != ""
        then
            target=$bootstrap_target
            echo "Target platform inferred as: $target"
        else
            echo "Can't work out target platform"
            exit 1
        fi

        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])
    fi
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102

    windows=NO
    exeext=''
    soext='.so'
    case $host in
    *-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)
        windows=YES
        exeext='.exe'
        soext='.dll'
        ;;
    i386-apple-darwin|powerpc-apple-darwin)
        soext='.dylib'
        ;;
    x86_64-apple-darwin)
        soext='.dylib'
        ;;
    esac
103

104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154
    BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
    BuildPlatform_CPP=`echo "$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'`

    HostPlatform="$HostArch-$HostVendor-$HostOS"
    HostPlatform_CPP=`echo "$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'`

    TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
    TargetPlatform_CPP=`echo "$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'`

    echo "GHC build  : $BuildPlatform"
    echo "GHC host   : $HostPlatform"
    echo "GHC target : $TargetPlatform"

    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)
])


# FPTOOLS_SET_HASKELL_PLATFORM_VARS
# ----------------------------------
# Set the Haskell platform variables
AC_DEFUN([FPTOOLS_SET_HASKELL_PLATFORM_VARS],
[
155 156
    checkArch() {
        case [$]1 in
157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178
        i386)
            test -z "[$]2" || eval "[$]2=ArchX86"
            ;;
        x86_64)
            GET_ARM_ISA()
            test -z "[$]2" || eval "[$]2=ArchX86_64"
            ;;
        powerpc)
            test -z "[$]2" || eval "[$]2=ArchPPC"
            ;;
        powerpc64)
            test -z "[$]2" || eval "[$]2=ArchPPC_64"
            ;;
        sparc)
            test -z "[$]2" || eval "[$]2=ArchSPARC"
            ;;
        arm)
            GET_ARM_ISA()
            test -z "[$]2" || eval "[$]2=\"ArchARM \$ARM_ISA \$ARM_ISA_EXT\""
            ;;
        alpha|hppa|hppa1_1|ia64|m68k|mips|mipseb|mipsel|rs6000|s390|s390x|sparc64|vax)
            test -z "[$]2" || eval "[$]2=ArchUnknown"
179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199
            ;;
        *)
            echo "Unknown arch [$]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 [$]1 in
200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219
        linux)
            test -z "[$]2" || eval "[$]2=OSLinux"
            ;;
        darwin)
            test -z "[$]2" || eval "[$]2=OSDarwin"
            ;;
        solaris2)
            test -z "[$]2" || eval "[$]2=OSSolaris2"
            ;;
        mingw32)
            test -z "[$]2" || eval "[$]2=OSMinGW32"
            ;;
        freebsd)
            test -z "[$]2" || eval "[$]2=OSFreeBSD"
            ;;
        openbsd)
            test -z "[$]2" || eval "[$]2=OSOpenBSD"
            ;;
        netbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|cygwin32|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
            test -z "[$]2" || eval "[$]2=OSUnknown"
220 221 222 223 224 225
            ;;
        *)
            echo "Unknown OS '[$]1'"
            exit 1
            ;;
        esac
226
    }
227

228 229 230 231 232 233 234 235 236 237 238 239 240 241
    dnl ** check for Apple-style dead-stripping support
    dnl    (.subsections-via-symbols assembler directive)

    AC_MSG_CHECKING(for .subsections_via_symbols)
    AC_COMPILE_IFELSE(
        [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
        [AC_MSG_RESULT(yes)
         HaskellHaveSubsectionsViaSymbols=True
         AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
                   [Define to 1 if Apple-style dead-stripping is supported.])
        ],
        [HaskellHaveSubsectionsViaSymbols=False
         AC_MSG_RESULT(no)])

242 243 244 245 246 247 248 249 250 251 252 253 254 255
    checkArch "$BuildArch" ""
    checkVendor "$BuildVendor"
    checkOS "$BuildOS" ""

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

    checkArch "$TargetArch" "HaskellTargetArch"
    checkVendor "$TargetVendor"
    checkOS "$TargetOS" "HaskellTargetOs"

    AC_SUBST(HaskellTargetArch)
    AC_SUBST(HaskellTargetOs)
256
    AC_SUBST(HaskellHaveSubsectionsViaSymbols)
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315
])


# GET_ARM_ISA
# ----------------------------------
# Get info about the ISA on the Arm arch
AC_DEFUN([GET_ARM_ISA],
[
    AC_COMPILE_IFELSE([
        AC_LANG_PROGRAM(
            [],
            [#if defined(__ARM_ARCH_2__)  || \
                 defined(__ARM_ARCH_3__)  || \
                 defined(__ARM_ARCH_3M__) || \
                 defined(__ARM_ARCH_4__)  || \
                 defined(__ARM_ARCH_4T__) || \
                 defined(__ARM_ARCH_5__)  || \
                 defined(__ARM_ARCH_5T__) || \
                 defined(__ARM_ARCH_5E__) || \
                 defined(__ARM_ARCH_5TE__)
                 return 0;
             #else
                 not pre arm v6
             #endif]
        )],
        [AC_DEFINE(arm_HOST_ARCH_PRE_ARMv6, 1, [ARM pre v6])
         AC_DEFINE(arm_HOST_ARCH_PRE_ARMv7, 1, [ARM pre v7])
         changequote(, )dnl
         ARM_ISA=ARMv5
         ARM_ISA_EXT="[]"
         changequote([, ])dnl
        ],
        [
            AC_COMPILE_IFELSE([
                AC_LANG_PROGRAM(
                    [],
                    [#if defined(__ARM_ARCH_6__)   || \
                         defined(__ARM_ARCH_6J__)  || \
                         defined(__ARM_ARCH_6T2__) || \
                         defined(__ARM_ARCH_6Z__)  || \
                         defined(__ARM_ARCH_6ZK__) || \
                         defined(__ARM_ARCH_6M__)
                         return 0;
                     #else
                         not pre arm v7
                     #endif]
                )],
                [AC_DEFINE(arm_HOST_ARCH_PRE_ARMv7, 1, [ARM pre v7])
                 changequote(, )dnl
                 ARM_ISA=ARMv6
                 ARM_ISA_EXT="[]"
                 changequote([, ])dnl
                ],
                [changequote(, )dnl
                 ARM_ISA=ARMv7
                 ARM_ISA_EXT="[VFPv3, NEON]"
                 changequote([, ])dnl
                ])
        ])
316 317 318 319 320 321 322 323 324 325 326 327 328 329 330
])


# FP_SETTINGS
# ----------------------------------
# Set the variables used in the settings file
AC_DEFUN([FP_SETTINGS],
[
    if test "$windows" = YES
    then
        SettingsCCompilerCommand='$topdir/../mingw/bin/gcc.exe'
        SettingsCCompilerFlags=''
        SettingsPerlCommand='$topdir/../perl/perl.exe'
        SettingsDllWrapCommand='$topdir/../mingw/bin/dllwrap.exe'
        SettingsWindresCommand='$topdir/../mingw/bin/windres.exe'
Ian Lynagh's avatar
Ian Lynagh committed
331
        SettingsTouchCommand='$topdir/touchy.exe'
332 333 334 335 336 337 338 339 340 341 342 343 344 345
    else
        SettingsCCompilerCommand="$WhatGccIsCalled"
        SettingsCCompilerFlags="$CONF_CC_OPTS_STAGE2"
        SettingsPerlCommand="$PerlCmd"
        SettingsDllWrapCommand="/bin/false"
        SettingsWindresCommand="/bin/false"
        SettingsTouchCommand='touch'
    fi
    AC_SUBST(SettingsCCompilerCommand)
    AC_SUBST(SettingsCCompilerFlags)
    AC_SUBST(SettingsPerlCommand)
    AC_SUBST(SettingsDllWrapCommand)
    AC_SUBST(SettingsWindresCommand)
    AC_SUBST(SettingsTouchCommand)
346 347 348
])


349 350
# FPTOOLS_SET_C_LD_FLAGS
# ----------------------------------
351 352
# Set the C, LD and CPP flags for a given platform
# $1 is the platform
353 354 355 356
# $2 is the name of the CC flags variable
# $3 is the name of the linker flags variable when linking with gcc
# $4 is the name of the linker flags variable when linking with ld
# $5 is the name of the CPP flags variable
357 358
AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
[
359
    AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
360
    case $$1 in
361
    i386-apple-darwin)
362 363
        $2="$$2 -m32"
        $3="$$3 -m32"
364
        $4="$$4 -arch i386"
365
        $5="$$5 -m32"
366 367 368
        ;;
    x86_64-apple-darwin)
        $2="$$2 -m64"
369
        $3="$$3 -m64"
370 371
        $4="$$4 -arch x86_64"
        $5="$$5 -m64"
372
        ;;
373 374 375 376 377 378 379 380 381 382 383 384 385 386 387
    alpha-*)
        # For now, to suppress the gcc warning "call-clobbered
        # register used for global register variable", we simply
        # disable all warnings altogether using the -w flag. Oh well.
        $2="$$2 -w -mieee -D_REENTRANT"
        $3="$$3 -w -mieee -D_REENTRANT"
        $5="$$5 -w -mieee -D_REENTRANT"
        ;;
    hppa*)
        # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
        # (very nice, but too bad the HP /usr/include files don't agree.)
        $2="$$2 -D_HPUX_SOURCE"
        $3="$$3 -D_HPUX_SOURCE"
        $5="$$5 -D_HPUX_SOURCE"
        ;;
388
    esac
389 390 391 392 393 394 395 396

    # If gcc knows about the stack protector, turn it off.
    # Otherwise the stack-smash handler gets triggered.
    echo 'int main(void) {return 0;}' > conftest.c
    if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
    then
        $2="$$2 -fno-stack-protector"
    fi
Ian Lynagh's avatar
Ian Lynagh committed
397
    rm -f conftest.c conftest.o
Ian Lynagh's avatar
Ian Lynagh committed
398
    AC_MSG_RESULT([done])
399 400 401
])


402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419
# FP_VISIBILITY_HIDDEN
# ----------------------------------
# Is the visibility hidden attribute supported?
AC_DEFUN([FP_VISIBILITY_HIDDEN],
[
    AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
    echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
    if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
    then
        AC_MSG_RESULT([yes])
        AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
    else
        AC_MSG_RESULT([no])
    fi
    rm -f conftest.c conftest.o
])


420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446
# FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
# ----------------------------------
# Little endian Arm on Linux with some ABIs has big endian word order
# in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
  [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
    [AC_COMPILE_IFELSE(
      [AC_LANG_PROGRAM(
        [#include <endian.h>],
        [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
             return 0;
         #else
             not float word order big endian
         #endif]
      )],
      [fptools_cv_float_word_order_bigendian=yes],
      [fptools_cv_float_word_order_bigendian=no])
    ])
  case $fptools_cv_float_word_order_bigendian in
      yes)
          AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
          [Define to 1 if your processor stores words of floats with
           the most significant byte first]) ;;
  esac
])


447
# FP_EVAL_STDERR(COMMAND)
448
# -----------------------
449 450 451 452 453 454 455 456 457 458 459
# Eval COMMAND, save its stderr (without lines resulting from shell tracing)
# into the file conftest.err and the exit status in the variable fp_status.
AC_DEFUN([FP_EVAL_STDERR],
[{ (eval $1) 2>conftest.er1
  fp_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  (exit $fp_status); }[]dnl
])# FP_EVAL_STDERR


460 461 462 463
# FP_ARG_WITH_PATH_GNU_PROG
# --------------------
# XXX
#
464 465
# $1 = the variable to set
# $2 = the command to look for
466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493
#
AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
[
AC_ARG_WITH($2,
[AC_HELP_STRING([--with-$2=ARG],
        [Use ARG as the path to $2 [default=autodetect]])],
[
    if test "$HostOS" = "mingw32"
    then
        AC_MSG_WARN([Request to use $withval will be ignored])
    else
        $1=$withval
    fi
],
[
    if test "$HostOS" != "mingw32"
    then
        AC_PATH_PROG([$1], [$2])
        if test -z "$$1"
        then
            AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
        fi
    fi
]
)
]) # FP_ARG_WITH_PATH_GNU_PROG


494 495 496
# FP_PROG_CONTEXT_DIFF
# --------------------
# Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
497 498 499 500
#
# Note: NeXTStep thinks diff'ing a file against itself is "trouble".
#
# Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
501 502 503 504 505
AC_DEFUN([FP_PROG_CONTEXT_DIFF],
[AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
[echo foo > conftest1
echo foo > conftest2
fp_cv_context_diff=no
Ian Lynagh's avatar
Ian Lynagh committed
506
for fp_var in '-U 1' '-u1' '-C 1' '-c1'
507 508 509 510 511 512 513 514 515 516 517 518 519
do
  if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
    fp_cv_context_diff="diff $fp_var"
    break
  fi
done])
if test x"$fp_cv_context_diff" = xno; then
   AC_MSG_ERROR([cannot figure out how to do context diffs])
fi
AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
])# FP_PROG_CONTEXT_DIFF


520
# FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
521
# --------------------------------------------------------
522 523 524
# Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
# compilation. Execute IF-FAILS when unable to determine the value. Works for
# cross-compilation, too.
525 526 527 528
#
# Implementation note: We are lazy and use an internal autoconf macro, but it
# is supported in autoconf versions 2.50 up to the actual 2.57, so there is
# little risk.
529 530 531 532 533 534 535 536 537 538
AC_DEFUN([FP_COMPUTE_INT],
[_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
])# FP_COMPUTE_INT


# FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
# ------------------------------------------------------------------
# A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
# given type. Defines ALIGNMENT_TYPE.
AC_DEFUN([FP_CHECK_ALIGNMENT],
539
[AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
540
               [AC_FATAL([$0: requires literal arguments])])[]dnl
541 542 543
AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
AC_CACHE_CHECK([alignment of $1], [fp_Cache],
544 545
[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
  FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
546
                 [fp_Cache],
547
                 [AC_INCLUDES_DEFAULT([$3])],
548 549
                 [AC_MSG_ERROR([cannot compute alignment ($1)
See `config.log' for more details.], [77])])
550
else
551 552 553 554
  fp_Cache=0
fi])[]dnl
AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
m4_popdef([fp_Cache])[]dnl
555 556 557
])# FP_CHECK_ALIGNMENT


558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576
# FP_LEADING_UNDERSCORE
# ---------------------
# Test for determining whether symbol names have a leading underscore. We assume
# that they _haven't_ if anything goes wrong. Sets the output variable
# LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
#
# Some nlist implementations seem to try to be compatible by ignoring a leading
# underscore sometimes (eg. FreeBSD). We therefore have to work around this by
# checking for *no* leading underscore first. Sigh.  --SDM
#
# Similarly on OpenBSD, but this test doesn't help. -- dons
AC_DEFUN([FP_LEADING_UNDERSCORE],
[AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
# Hack!: nlist() under Digital UNIX insist on there being an _,
# but symbol table listings shows none. What is going on here?!?
#
# Another hack: cygwin doesn't come with nlist.h , so we hardwire
# the underscoredness of that "platform"
577
case $HostPlatform in
578
*openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
579 580 581 582 583 584 585
  case $build in
    i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
    *) fptools_cv_leading_underscore=no ;;
  esac ;;
alpha-dec-osf*) fptools_cv_leading_underscore=no;;
*cygwin32) fptools_cv_leading_underscore=yes;;
*mingw32) fptools_cv_leading_underscore=yes;;
586 587 588 589

    # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;

590
*) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
sof's avatar
sof committed
591
#include <nlist.h>
592 593
struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
sof's avatar
sof committed
594 595
#endif

596 597 598
int main(argc, argv)
int argc;
char **argv;
sof's avatar
sof committed
599 600
{
#ifdef HAVE_NLIST_H
601 602 603
    if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
        exit(1);
    if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
604
        exit(0);
sof's avatar
sof committed
605 606
#endif
    exit(1);
607
}]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
608
;;
609 610 611 612 613
esac]);
AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
if test x"$fptools_cv_leading_underscore" = xyes; then
   AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
fi])# FP_LEADING_UNDERSCORE
sof's avatar
sof committed
614

615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642

# FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
# ----------------------------------------------------------------------------------
# Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
# to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
AC_DEFUN([FP_COMPARE_VERSIONS],
[fp_version1=$1; fp_version2=$3
fp_save_IFS=$IFS; IFS='.'
while test x"$fp_version1" != x || test x"$fp_version2" != x
do

  set dummy $fp_version1; shift
  fp_num1=""
  test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
  test x"$fp_num1" = x && fp_num1="0"
  fp_version1="[$]*"

  set dummy $fp_version2; shift
  fp_num2=""
  test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
  test x"$fp_num2" = x && fp_num2="0"
  fp_version2="[$]*"

  test "$fp_num1" = "$fp_num2" || break;
done
IFS=$fp_save_IFS
AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
])# FP_COMPARE_VERSIONS
643 644


645
dnl
646
dnl Check for GreenCard and version.
647
dnl
648
AC_DEFUN([FPTOOLS_GREENCARD],
649
[
650
AC_PATH_PROG(GreenCardCmd,greencard)
651
AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
652
changequote(, )dnl
653 654
[if test x"$GreenCardCmd" != x; then
   fptools_cv_greencard_version="`$GreenCardCmd --version |
655
			  grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
656 657 658 659 660
else
   fptools_cv_greencard_version=""
fi
changequote([, ])dnl
])
661 662
FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
  [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
663 664
GreenCardVersion=$fptools_cv_greencard_version
AC_SUBST(GreenCardVersion)
665 666
])

sof's avatar
sof committed
667
dnl
668
dnl Check for Happy and version.  If we're building GHC, then we need
669
dnl at least Happy version 1.14.  If there's no installed Happy, we look
670 671
dnl for a happy source tree and point the build system at that instead.
dnl
672
AC_DEFUN([FPTOOLS_HAPPY],
673
[AC_PATH_PROG(HappyCmd,happy,)
674 675 676 677 678 679
# Happy is passed to Cabal, so we need a native path
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HappyCmd}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
680
    HappyCmd=`cygpath -m "${HappyCmd}"`
681 682 683
    AC_MSG_NOTICE([normalized happy command to $HappyCmd])
fi

sof's avatar
sof committed
684
AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
sof's avatar
sof committed
685
changequote(, )dnl
686
[if test x"$HappyCmd" != x; then
687 688
   fptools_cv_happy_version=`"$HappyCmd" -v |
			  grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
sof's avatar
sof committed
689
else
sof's avatar
sof committed
690
   fptools_cv_happy_version="";
sof's avatar
sof committed
691
fi;
692
changequote([, ])dnl
693
])
694
if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
695
then
696 697
    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
      [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
698
fi
699
HappyVersion=$fptools_cv_happy_version;
sof's avatar
sof committed
700 701 702
AC_SUBST(HappyVersion)
])

703 704
dnl
dnl Check for Alex and version.  If we're building GHC, then we need
Ian Lynagh's avatar
Ian Lynagh committed
705
dnl at least Alex version 2.0.1.
706
dnl
707
AC_DEFUN([FPTOOLS_ALEX],
708
[
709
AC_PATH_PROG(AlexCmd,alex,)
710 711 712 713 714 715
# Alex is passed to Cabal, so we need a native path
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${AlexCmd}"     != ""
then
    # Canonicalise to <drive>:/path/to/gcc
716
    AlexCmd=`cygpath -m "${AlexCmd}"`
717 718
fi

719 720
AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
changequote(, )dnl
721
[if test x"$AlexCmd" != x; then
722 723
   fptools_cv_alex_version=`"$AlexCmd" -v |
			  grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
724 725 726 727 728
else
   fptools_cv_alex_version="";
fi;
changequote([, ])dnl
])
729 730
if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
then
Simon Marlow's avatar
Simon Marlow committed
731
    FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
732
      [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
733 734
    FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-ge],[3.0],
      [Alex3=YES],[Alex3=NO])
735
fi
736 737
AlexVersion=$fptools_cv_alex_version;
AC_SUBST(AlexVersion)
738
AC_SUBST(Alex3)
739 740
])

sof's avatar
sof committed
741

742 743 744 745 746
# FP_PROG_LD_X
# ------------
# Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
# variable's value is empty.
AC_DEFUN([FP_PROG_LD_X],
747
[
748 749
AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
[echo 'foo() {}' > conftest.c
750
${CC-cc} -c conftest.c
751
if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
752
   fp_cv_ld_x=yes
753
else
754
   fp_cv_ld_x=no
755
fi
756 757 758
rm -rf conftest*])
if test "$fp_cv_ld_x" = yes; then
  LdXFlag=-x
759
else
760
  LdXFlag=
761
fi
762 763 764 765
AC_SUBST([LdXFlag])
])# FP_PROG_LD_X


766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790
# FP_PROG_LD_BUILD_ID
# ------------

# Sets the output variable LdHasBuildId to YES if ld supports
# --build-id, or NO otherwise.
AC_DEFUN([FP_PROG_LD_BUILD_ID],
[
AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
[echo 'foo() {}' > conftest.c
${CC-cc} -c conftest.c
if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
   fp_cv_ld_build_id=yes
else
   fp_cv_ld_build_id=no
fi
rm -rf conftest*])
if test "$fp_cv_ld_build_id" = yes; then
  LdHasBuildId=YES
else
  LdHasBuildId=NO
fi
AC_SUBST([LdHasBuildId])
])# FP_PROG_LD_BUILD_ID


791 792 793 794 795
# FP_PROG_LD_IS_GNU
# -----------------
# Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
# GNU ld or not.
AC_DEFUN([FP_PROG_LD_IS_GNU],
796
[
797 798 799 800 801 802 803 804
AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
[if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
  fp_cv_gnu_ld=yes
else
  fp_cv_gnu_ld=no
fi])
AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
])# FP_PROG_LD_IS_GNU
805

sof's avatar
sof committed
806

807 808 809 810 811 812 813 814
# FP_PROG_AR
# ----------
# Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
# version of it. Exits if no ar can be found
AC_DEFUN([FP_PROG_AR],
[AC_PATH_PROG([fp_prog_ar_raw], [ar])
if test -z "$fp_prog_ar_raw"; then
  AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
sof's avatar
sof committed
815
fi
Ian Lynagh's avatar
Ian Lynagh committed
816
fp_prog_ar="$fp_prog_ar_raw"
sof's avatar
sof committed
817
case $HostPlatform in
818
  *mingw32) if test x${OSTYPE} != xmsys; then
Ian Lynagh's avatar
Ian Lynagh committed
819
 	      fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
820 821 822
              AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
            fi
            ;;
sof's avatar
sof committed
823
esac
824 825 826 827 828 829 830 831 832
])# FP_PROG_AR


# FP_PROG_AR_IS_GNU
# -----------------
# Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
AC_DEFUN([FP_PROG_AR_IS_GNU],
[AC_REQUIRE([FP_PROG_AR])
AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
Ian Lynagh's avatar
Ian Lynagh committed
833
[if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
834 835 836 837 838
  fp_cv_prog_ar_is_gnu=yes
else
  fp_cv_prog_ar_is_gnu=no
fi])
fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
Ian Lynagh's avatar
Ian Lynagh committed
839
AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
840 841 842
])# FP_PROG_AR_IS_GNU


843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868
# FP_PROG_AR_SUPPORTS_ATFILE
# -----------------
# Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
# or not it supports the @file syntax
AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
[AC_REQUIRE([FP_PROG_AR])
 AC_REQUIRE([FP_PROG_AR_ARGS])
AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
[
rm -f conftest*
touch conftest.file
echo conftest.file  > conftest.atfile
echo conftest.file >> conftest.atfile
"$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
rm -f conftest*
if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
then
  fp_cv_prog_ar_supports_atfile=yes
else
  fp_cv_prog_ar_supports_atfile=no
fi])
fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
])# FP_PROG_AR_SUPPORTS_ATFILE

869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885
# FP_PROG_AR_ARGS
# ---------------
# Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
# to a non-Cygwin invocation of ar including these arguments.
AC_DEFUN([FP_PROG_AR_ARGS],
[AC_REQUIRE([FP_PROG_AR_IS_GNU])
AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
[
# GNU ar needs special treatment: it appears to have problems with
# object files with the same name if you use the 's' modifier, but
# simple 'ar q' works fine, and doesn't need a separate ranlib.
if test $fp_prog_ar_is_gnu = yes; then
  fp_cv_prog_ar_args="q"
else
  touch conftest.dummy
  for fp_var in clqsZ clqs cqs clq cq ; do
     rm -f conftest.a
886
     if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
887 888 889 890 891 892 893 894 895 896
        fp_cv_prog_ar_args=$fp_var
        break
     fi
  done
  rm -f conftest*
  if test -z "$fp_cv_prog_ar_args"; then
    AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
  fi
fi])
fp_prog_ar_args=$fp_cv_prog_ar_args
897 898
AC_SUBST([ArCmd], ["$fp_prog_ar"])
AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
899 900 901 902 903 904 905

])# FP_PROG_AR_ARGS


# FP_PROG_AR_NEEDS_RANLIB
# -----------------------
# Sets the output variable RANLIB to "ranlib" if it is needed and found,
906
# to "true" otherwise.
907 908 909
AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
[AC_REQUIRE([FP_PROG_AR_IS_GNU])
AC_REQUIRE([FP_PROG_AR_ARGS])
910
AC_REQUIRE([AC_PROG_CC])
911 912 913
AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
[if test $fp_prog_ar_is_gnu = yes; then
  fp_cv_prog_ar_needs_ranlib=no
914
elif echo $TargetPlatform | grep "^.*-apple-darwin$"  > /dev/null 2> /dev/null; then
915 916 917
  # It's quite tedious to check for Apple's crazy timestamps in .a files,
  # so we hardcode it.
  fp_cv_prog_ar_needs_ranlib=yes
918 919 920 921 922 923 924
elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
  fp_cv_prog_ar_needs_ranlib=no
else
  fp_cv_prog_ar_needs_ranlib=yes
fi])
if test $fp_cv_prog_ar_needs_ranlib = yes; then
   AC_PROG_RANLIB
ken's avatar
ken committed
925
else
926
  RANLIB="true"
927
  AC_SUBST([RANLIB])
ken's avatar
ken committed
928
fi
929 930 931
])# FP_PROG_AR_NEEDS_RANLIB


sof's avatar
sof committed
932
dnl
sof's avatar
sof committed
933
dnl AC_SHEBANG_PERL - can we she-bang perl?
sof's avatar
sof committed
934
dnl
935
AC_DEFUN([FPTOOLS_SHEBANG_PERL],
sof's avatar
sof committed
936
[AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
sof's avatar
sof committed
937 938 939 940 941 942
[echo "#!$PerlCmd"'
exit $1;
' > conftest
chmod u+x conftest
(SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
if test $? -ne 69; then
sof's avatar
sof committed
943
   fptools_cv_shebang_perl=yes
sof's avatar
sof committed
944
else
sof's avatar
sof committed
945
   fptools_cv_shebang_perl=no
sof's avatar
sof committed
946 947 948 949
fi
rm -f conftest
])])

950

951
# FP_GCC_VERSION
952 953
# -----------
# Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
954
# output variable GccVersion.
955
AC_DEFUN([FP_GCC_VERSION],
956
[AC_REQUIRE([AC_PROG_CC])
957 958
if test -z "$GCC"
then
959 960
  AC_MSG_ERROR([gcc is required])
fi
961 962
GccLT34=NO
GccLT46=NO
963
AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
964 965 966 967 968 969 970 971
[
    fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
                        [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
    # See #2770: gcc 2.95 doesn't work any more, apparently.  There probably
    # isn't a very good reason for that, but for now just make configure
    # fail.
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
972
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [4.6], GccLT46=YES)
973
])
974
AC_SUBST([GccVersion], [$fp_cv_gcc_version])
975
AC_SUBST(GccLT34)
976
AC_SUBST(GccLT46)
977
])# FP_GCC_VERSION
978

sof's avatar
sof committed
979
dnl Small feature test for perl version. Assumes PerlCmd
980 981 982 983
dnl contains path to perl binary.
dnl
dnl (Perl versions prior to v5.6 does not contain the string "v5";
dnl instead they display version strings such as "version 5.005".)
sof's avatar
sof committed
984
dnl
985
AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
sof's avatar
sof committed
986
[$PerlCmd -v >conftest.out 2>&1
987
   if grep "v5" conftest.out >/dev/null 2>&1; then
988 989
      :
   else
990
      AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
991
   fi
sof's avatar
sof committed
992 993
rm -fr conftest*
])
994

995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009

# FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
#               [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
# -----------------------------------------------------
# HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
# of PROG-TO-CHECK-FOR when found.
AC_DEFUN([FP_CHECK_PROG],
[AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
)# FP_CHECK_PROC


# FP_PROG_FIND
# ------------
# Find a non-WinDoze version of the "find" utility.
AC_DEFUN([FP_PROG_FIND],
Ian Lynagh's avatar
Ian Lynagh committed
1010
[AC_PATH_PROGS([fp_prog_find], [gfind find], find)
1011 1012 1013 1014
echo foo > conftest.txt
$fp_prog_find conftest.txt -print > conftest.out 2>&1
if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
  # OK, looks like a real "find".
1015 1016 1017 1018 1019 1020 1021 1022 1023
  case $HostPlatform in
    *mingw32)
      if test x${OSTYPE} != xmsys
      then
 	    fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
        AC_MSG_NOTICE([normalized find command to $fp_prog_find])
      fi ;;
    *) ;;
  esac
1024
  FindCmd="$fp_prog_find"
sof's avatar
sof committed
1025
else
1026 1027 1028
  # Found a poor WinDoze version of "find", ignore it.
  AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
  FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
sof's avatar
sof committed
1029
fi
1030 1031 1032 1033
rm -f conftest.txt conftest.out
AC_SUBST([FindCmd])[]dnl
])# FP_PROG_FIND

sof's avatar
sof committed
1034

sof's avatar
sof committed
1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053
# FP_PROG_SORT
# ------------
# Find a Unix-like sort
AC_DEFUN([FP_PROG_SORT],
[AC_PATH_PROG([fp_prog_sort], [sort])
echo conwip > conftest.txt
$fp_prog_sort -f conftest.txt > conftest.out 2>&1
if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
  # The goods
  SortCmd="$fp_prog_sort"
else
  # Summink else..pick next one.
  AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
  FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
fi
rm -f conftest.txt conftest.out
AC_SUBST([SortCmd])[]dnl
])# FP_PROG_SORT

1054 1055 1056 1057 1058 1059 1060
dnl
dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
dnl values of the second argument to the result of running
dnl the commands given by the third. It does not cache its
dnl result, so it is suitable for checks which should be
dnl run every time.
dnl
1061
AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
1062 1063 1064 1065 1066
[AC_MSG_CHECKING([$1])
 $3
 AC_MSG_RESULT([$][$2])
])

1067 1068 1069
dnl
dnl FPTOOLS_GHC_VERSION(version)
dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
1070
dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
1071 1072
dnl
dnl Test for version of installed ghc.  Uses $GHC.
1073
dnl [original version pinched from c2hs]
1074
dnl
1075
AC_DEFUN([FPTOOLS_GHC_VERSION],
1076
[FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
1077
["${WithGhc-ghc}" --version > conftestghc 2>&1
1078
  cat conftestghc >&AS_MESSAGE_LOG_FD
1079 1080
#Useless Use Of cat award...
  fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
1081
  rm -fr conftest*
1082
  if test "[$]fptools_version_of_ghc" = ""
1083
  then
1084 1085 1086 1087 1088 1089 1090
    fptools_version_of_ghc='unknown'
  fi
fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
#
if test "[$]fptools_version_of_ghc[_pl]" = ""
1091
then
1092 1093
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
  fptools_version_of_ghc[_pl]="0"
1094
else
1095
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
1096
fi
1097
#
1098
ifelse($#, [1], [dnl
1099
[$1]="[$]fptools_version_of_ghc[_all]"
1100
], $#, [2], [dnl
1101 1102
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
1103
], $#, [3], [dnl
1104 1105 1106
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
[$3]="[$]fptools_version_of_ghc[_pl]"
1107
], $#, [4], [dnl
1108 1109 1110 1111 1112 1113
[$1]="[$]fptools_version_of_ghc[_all]"
[$2]="[$]fptools_version_of_ghc[_major]"
[$3]="[$]fptools_version_of_ghc[_minor]"
[$4]="[$]fptools_version_of_ghc[_pl]"
])
])
1114
])dnl
1115 1116


1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134
# FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ---------------------------------------------------------------------------------
# A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
# additional flexibility of specifying the PROLOGUE and BODY.
AC_DEFUN([FP_CHECK_FUNC],
[AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
AC_CACHE_CHECK([for $1], fp_func,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
                [AS_VAR_SET(fp_func, yes)],
                [AS_VAR_SET(fp_func, no)])])
AS_IF([test AS_VAR_GET(fp_func) = yes],
      [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
                [Define to 1 if you have the `]$1[' function.]) $4],
      [$5])dnl
AS_VAR_POPDEF([fp_func])dnl
])# FP_CHECK_FUNC


1135 1136
# FP_GEN_DOCBOOK_XML
# ------------------
1137
# Generates a DocBook XML V4.5 document in conftest.xml.
1138 1139 1140 1141 1142 1143 1144
#
# It took a lot of experimentation to find a document that will cause
# xsltproc to fail with an error code when the relevant
# stylesheets/DTDs are not found.  I couldn't make xsltproc fail with
# a single-file document, it seems a multi-file document is needed.
# -- SDM 2009-06-03
#
1145
AC_DEFUN([FP_GEN_DOCBOOK_XML],
1146
[rm -f conftest.xml conftest-book.xml
1147 1148
cat > conftest.xml << EOF
<?xml version="1.0" encoding="iso-8859-1"?>
1149 1150
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
1151 1152
<!ENTITY conftest-book SYSTEM "conftest-book.xml">
]]>
1153
<book id="test">
1154 1155 1156 1157 1158 1159
&conftest-book;
</book>
EOF
cat >conftest-book.xml << EOF
<?xml version="1.0" encoding="iso-8859-1"?>
  <title>A DocBook &ldquo;Test Document&rdquo;</title>
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171
  <chapter id="id-one">
    <title>A Chapter Title</title>
    <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
  </chapter>
  <chapter id="id-two">
    <title>Another Chapter Title</title>
    <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
  </chapter>
EOF
]) # FP_GEN_DOCBOOK_XML


1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184
# FP_PROG_DBLATEX
# ----------------
# Sets the output variable DblatexCmd to the full path of dblatex,
# which we use for building PDF and PS docs.
# DblatexCmd is empty if dblatex could not be found.
AC_DEFUN([FP_PROG_DBLATEX],
[AC_PATH_PROG([DblatexCmd], [dblatex])
if test -z "$DblatexCmd"; then
  AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
fi
])# FP_PROG_DBLATEX


1185 1186 1187 1188 1189 1190 1191
# FP_PROG_XSLTPROC
# ----------------
# Sets the output variable XsltprocCmd to the full path of the XSLT processor
# xsltproc. XsltprocCmd is empty if xsltproc could not be found.
AC_DEFUN([FP_PROG_XSLTPROC],
[AC_PATH_PROG([XsltprocCmd], [xsltproc])
if test -z "$XsltprocCmd"; then
1192
  AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
1193 1194 1195 1196
fi
])# FP_PROG_XSLTPROC


1197
# FP_DOCBOOK_XSL
1198
# ----------------------------
1199
# Check that we can process a DocBook XML document to HTML using xsltproc.
1200
AC_DEFUN([FP_DOCBOOK_XSL],
1201 1202
[AC_REQUIRE([FP_PROG_XSLTPROC])dnl
if test -n "$XsltprocCmd"; then
1203
  AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
1204 1205
  [FP_GEN_DOCBOOK_XML
  fp_cv_dir_docbook_xsl=no
1206 1207 1208
  if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
     fp_cv_dir_docbook_xsl=yes
  fi
1209 1210 1211 1212
  rm -rf conftest*])
fi
if test x"$fp_cv_dir_docbook_xsl" = xno; then
  AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
1213
  HAVE_DOCBOOK_XSL=NO
1214
else
1215
  HAVE_DOCBOOK_XSL=YES
1216
fi
1217 1218
AC_SUBST([HAVE_DOCBOOK_XSL])
])# FP_DOCBOOK_XSL
1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239


# FP_PROG_XMLLINT
# ----------------
# Sets the output variable XmllintCmd to the full path of the XSLT processor
# xmllint. XmllintCmd is empty if xmllint could not be found.
AC_DEFUN([FP_PROG_XMLLINT],
[AC_PATH_PROG([XmllintCmd], [xmllint])
if test -z "$XmllintCmd"; then
  AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
fi
])# FP_PROG_XMLLINT


# FP_CHECK_DOCBOOK_DTD
# --------------------
AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
[AC_REQUIRE([FP_PROG_XMLLINT])dnl
if test -n "$XmllintCmd"; then
  AC_MSG_CHECKING([for DocBook DTD])
  FP_GEN_DOCBOOK_XML
1240
  if $XmllintCmd --nonet --valid --noout conftest.xml ; then
1241 1242 1243
    AC_MSG_RESULT([ok])
  else
    AC_MSG_RESULT([failed])
1244
    AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
1245 1246 1247 1248 1249 1250 1251
    AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
  fi
  rm -rf conftest*
fi
])# FP_CHECK_DOCBOOK_DTD


1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282
# FP_GEN_FO
# ------------------
# Generates a formatting objects document in conftest.fo.
AC_DEFUN([FP_GEN_FO],
[rm -f conftest.fo
cat > conftest.fo << EOF
<?xml version="1.0"?>
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
  <fo:layout-master-set>
    <fo:simple-page-master master-name="blank">
      <fo:region-body/>
    </fo:simple-page-master>
  </fo:layout-master-set>
  <fo:page-sequence master-reference="blank">
    <fo:flow flow-name="xsl-region-body">
      <fo:block>
        Test!
      </fo:block>
    </fo:flow>
  </fo:page-sequence>
</fo:root>
EOF
]) # FP_GEN_FO


# FP_PROG_FOP
# -----------
# Set the output variable 'FopCmd' to the first working 'fop' in the current
# 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
# /usr/share/fop/fop.sh in that case (or no 'fop'), too.
AC_DEFUN([FP_PROG_FOP],
claus.reinke@talk21.com's avatar
claus.reinke@talk21.com committed
1283
[AC_PATH_PROGS([FopCmd1], [fop fop.sh])
1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304
if test -n "$FopCmd1"; then
  AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
    [FP_GEN_FO
    if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
      fp_cv_fop_usability=yes
    else
      fp_cv_fop_usability=no
    fi
    rm -rf conftest*])
  if test x"$fp_cv_fop_usability" = xyes; then
     FopCmd=$FopCmd1
  fi
fi
if test -z "$FopCmd"; then
  AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
  FopCmd=$FopCmd2
fi
AC_SUBST([FopCmd])
])# FP_PROG_FOP


1305 1306 1307
# FP_PROG_GHC_PKG
# ----------------
# Try to find a ghc-pkg matching the ghc mentioned in the environment variable
Ian Lynagh's avatar
Ian Lynagh committed
1308
# WithGhc. Sets the output variable GhcPkgCmd.
1309 1310
AC_DEFUN([FP_PROG_GHC_PKG],
[AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
Ian Lynagh's avatar
Ian Lynagh committed
1311 1312 1313 1314 1315 1316 1317 1318
[
# If we are told to use ghc-stage2, then we're using an in-tree
# compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
# so we sed off -stage[0-9]$. However, if we are told to use
# ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
# other suffix.
fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
1319
  fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1320
else
Ian Lynagh's avatar
Ian Lynagh committed
1321
  AC_MSG_ERROR([Cannot find matching ghc-pkg])
1322
fi])
Ian Lynagh's avatar
Ian Lynagh committed
1323 1324 1325
GhcPkgCmd=$fp_cv_matching_ghc_pkg
AC_SUBST([GhcPkgCmd])
])# FP_PROG_GHC_PKG
1326

1327

1328 1329 1330 1331 1332 1333 1334 1335 1336
# FP_GCC_EXTRA_FLAGS
# ------------------
# Determine which extra flags we need to pass gcc when we invoke it
# to compile .hc code.
#
# -fwrapv is needed for gcc to emit well-behaved code in the presence of
# integer wrap around. (Trac #952)
#
AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1337
[AC_REQUIRE([FP_GCC_VERSION])
1338 1339
AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
[fp_cv_gcc_extra_opts=
1340
 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1341 1342 1343 1344 1345
  [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
  [])
])
AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
])
1346

1347

1348 1349 1350
# FP_SETUP_PROJECT_VERSION
# ---------------------
AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1351 1352 1353
[
if test "$RELEASE" = "NO"; then
    AC_MSG_CHECKING([for GHC version date])
1354 1355
    if test -f VERSION_DATE; then
        PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
Ian Lynagh's avatar
Ian Lynagh committed
1356
        AC_MSG_RESULT(given $PACKAGE_VERSION)
1357 1358
    elif test -d .git; then
        changequote(, )dnl
1359
        ver_date=`git log -n 1 --date=short --pretty=format:%ci | cut -d ' ' -f 1 | tr -d -`
1360 1361 1362 1363 1364 1365
        if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
        changequote([, ])dnl
                AC_MSG_ERROR([failed to detect version date: check that git is in your path])
        fi
        PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
        AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1366
    elif test -d _darcs; then
1367
        # TODO: Remove this branch after conversion to Git
1368
        changequote(, )dnl
1369
        ver_date=`darcs changes --quiet --no-summary --xml | head -500 | grep 'date=' | sed "s/^.*date='\([0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\).*$/\1/g" | ${SortCmd} -n | tail -1`
1370
        if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
1371
        changequote([, ])dnl
1372 1373
                AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
        fi
1374
        PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
Ian Lynagh's avatar
Ian Lynagh committed
1375
        AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1376
    elif test -f VERSION; then
1377
        PACKAGE_VERSION=`cat VERSION`
Ian Lynagh's avatar
Ian Lynagh committed
1378
        AC_MSG_RESULT(given $PACKAGE_VERSION)
1379
    else
1380
        AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1381 1382 1383 1384
    fi
fi

# Some renamings
sven.panne@aedion.de's avatar
sven.panne@aedion.de committed
1385
AC_SUBST([ProjectName], [$PACKAGE_NAME])
1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408
AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])

# Split PACKAGE_VERSION into (possibly empty) parts
VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`

# Calculate project version as an integer, using 2 digits for minor version
case $VERSION_MINOR in
  ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
  ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
  *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
esac
AC_SUBST([ProjectVersionInt])

# The project patchlevel is zero unless stated otherwise
test -z "$ProjectPatchLevel" && ProjectPatchLevel=0

# Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`

AC_SUBST([ProjectPatchLevel])
1409
])# FP_SETUP_PROJECT_VERSION
1410

1411 1412 1413 1414 1415

# Check for a working timer_create().  We need a pretty detailed check
# here, because there exist partially-working implementations of
# timer_create() in certain versions of Linux (see bug #1933).
#
1416 1417 1418 1419
AC_DEFUN([FP_CHECK_TIMER_CREATE],
  [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)], 
    [fptools_cv_timer_create_works],
    [AC_TRY_RUN([
1420 1421 1422 1423
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
1424 1425 1426 1427 1428 1429 1430 1431 1432
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
1433 1434 1435 1436 1437 1438 1439

static volatile int tock = 0;
static void handler(int i)
{
   tock = 1;
}

1440 1441 1442 1443 1444 1445 1446
static void timeout(int i)
{
  // timer_settime() has been known to hang, so just in case
  // we install a 1-second timeout (see #2257)
  exit(99);
}

1447 1448
int main(int argc, char *argv[])
{
1449

1450 1451
    struct sigevent ev;
    timer_t timer;
1452 1453 1454 1455
    struct itimerspec it;
    struct sigaction action;
    int m,n,count = 0;

1456 1457
    ev.sigev_notify = SIGEV_SIGNAL;
    ev.sigev_signo  = SIGVTALRM;
1458 1459 1460 1461 1462 1463 1464 1465 1466

    action.sa_handler = handler;
    action.sa_flags = 0;
    sigemptyset(&action.sa_mask);
    if (sigaction(SIGVTALRM, &action, NULL) == -1) {
        fprintf(stderr,"SIGVTALRM problem\n");
        exit(3);
    }

1467 1468 1469 1470 1471 1472 1473 1474 1475
    action.sa_handler = timeout;
    action.sa_flags = 0;
    sigemptyset(&action.sa_mask);
    if (sigaction(SIGALRM, &action, NULL) == -1) {
      fprintf(stderr,"SIGALRM problem\n");
      exit(3);
    }
    alarm(1);

Simon Marlow's avatar
Simon Marlow committed
1476
    if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1477
        fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1478 1479
       exit(1);
    }
1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499

    it.it_value.tv_sec = 0;
    it.it_value.tv_nsec = 1;
    it.it_interval = it.it_value;
    if (timer_settime(timer, 0, &it, NULL) != 0) {
        fprintf(stderr,"settime problem\n");
        exit(4);
    }

    tock = 0;

    for(n = 3; n < 20000; n++){
        for(m = 2; m <= n/2; m++){
            if (!(n%m)) count++;
            if (tock) goto out;
        }
    }
out:

    if (!tock) {
1500
        fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511
        exit(5);
    }

    timer_delete(timer);

    if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
        fprintf(stderr,"No CLOCK_REALTIME timer\n");
        exit(2);
    }

    it.it_value.tv_sec = 0;
1512
    it.it_value.tv_nsec = 1000000;
1513 1514 1515 1516 1517 1518 1519 1520
    it.it_interval = it.it_value;
    if (timer_settime(timer, 0, &it, NULL) != 0) {
        fprintf(stderr,"settime problem\n");
        exit(4);
    }

    tock = 0;

1521
    usleep(3000);
1522 1523 1524 1525 1526 1527 1528 1529

    if (!tock) {
        fprintf(stderr,"no CLOCK_REALTIME signal\n");
        exit(5);
    }

    timer_delete(timer);

1530 1531 1532 1533 1534 1535 1536 1537
    exit(0);
}
     ],
     [fptools_cv_timer_create_works=yes],
     [fptools_cv_timer_create_works=no])
  ])
case $fptools_cv_timer_create_works in
    yes) AC_DEFINE([USE_TIMER_CREATE], 1, 
Simon Marlow's avatar
Simon Marlow committed
1538
                   [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1539 1540 1541
esac
])

Ian Lynagh's avatar
Ian Lynagh committed
1542
# FP_ICONV
1543
# -------------
Ian Lynagh's avatar
Ian Lynagh committed
1544
AC_DEFUN([FP_ICONV],
1545
[
Ian Lynagh's avatar
Ian Lynagh committed
1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588
  dnl--------------------------------------------------------------------
  dnl * Deal with arguments telling us iconv is somewhere odd
  dnl--------------------------------------------------------------------

  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)
])# FP_ICONV

# FP_GMP
# -------------
AC_DEFUN([FP_GMP],
[
  dnl--------------------------------------------------------------------
  dnl * Deal with arguments telling us gmp is somewhere odd
  dnl--------------------------------------------------------------------

  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)
])# FP_GMP
1589

1590 1591 1592
# FP_CHECK_MACOSX_DEPLOYMENT_TARGET
# ---------------------------------
AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1593 1594 1595
[
if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
  AC_MSG_CHECKING([Mac OS X deployment target])
1596
  case $FP_MACOSX_DEPLOYMENT_TARGET in
1597
    none)  ;;
1598 1599
    10.4)  MACOSX_DEPLOYMENT_VERSION=10.4
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1600
	   ;;
1601 1602
    10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1603
	   ;;
1604 1605
    *)     MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1606 1607
	   ;;
  esac
1608
  if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1609 1610
    AC_MSG_RESULT(none)
  else
1611 1612
    if test ! -d $MACOSX_DEPLOYMENT_SDK; then
      AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1613
    fi
1614
    AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1615 1616 1617 1618
  fi
fi
])

Ian Lynagh's avatar
Ian Lynagh committed
1619 1620 1621 1622
# --------------------------------------------------------------
# Calculate absolute path to build tree
# --------------------------------------------------------------

1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633
AC_DEFUN([FP_INTREE_GHC_PWD],[
AC_MSG_NOTICE(Building in-tree ghc-pwd)
    dnl This would be
    dnl     make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
    dnl except we don't want to have to know what make is called. Sigh.
    rm -rf utils/ghc-pwd/dist-boot
    mkdir  utils/ghc-pwd/dist-boot
    if ! "$WithGhc" -v0 -no-user-package-conf -hidir utils/ghc-pwd/dist-boot -odir utils/ghc-pwd/dist-boot -stubdir utils/ghc-pwd/dist-boot --make utils/ghc-pwd/Main.hs -o utils/ghc-pwd/dist-boot/ghc-pwd
    then
        AC_MSG_ERROR([Building ghc-pwd failed])
    fi
Ian Lynagh's avatar
Ian Lynagh committed
1634

1635 1636
    GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
])
1637

1638
AC_DEFUN([FP_BINDIST_GHC_PWD],[
Simon Marlow's avatar
Simon Marlow committed
1639
    GHC_PWD=utils/ghc-pwd/dist-install/build/tmp/ghc-pwd
1640
])
Ian Lynagh's avatar
Ian Lynagh committed
1641

1642 1643 1644
AC_DEFUN([FP_FIND_ROOT],[
AC_MSG_CHECKING(for path to top of build tree)
    hardtop=`$GHC_PWD`
1645

1646 1647
    dnl Remove common automounter nonsense
    hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
Ian Lynagh's avatar
Ian Lynagh committed
1648

1649 1650 1651
    if ! test -d "$hardtop"; then
        AC_MSG_ERROR([cannot determine current directory])
    fi
Ian Lynagh's avatar
Ian Lynagh committed
1652

1653 1654 1655 1656 1657 1658 1659 1660 1661
    dnl We don't support building in directories with spaces.
    case "$hardtop" in
    *' '*)
        AC_MSG_ERROR([
        The build system does not support building in a directory
        containing space characters.
        Suggestion: move the build tree somewhere else.])
        ;;
    esac
Ian Lynagh's avatar
Ian Lynagh committed
1662

1663 1664 1665
    AC_SUBST(hardtop)

    AC_MSG_RESULT($hardtop)
Ian Lynagh's avatar
Ian Lynagh committed
1666 1667
])

1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
# GHC_CONVERT_CPU(cpu, target_var)
# --------------------------------
# converts cpu from gnu to ghc naming, and assigns the result to $target_var
AC_DEFUN([GHC_CONVERT_CPU],[
case "$1" in
  alpha*)
    $2="alpha"
    ;;
  arm*)
    $2="arm"
    ;;
  hppa1.1*)
    $2="hppa1_1"
    ;;
  hppa*)
    $2="hppa"
    ;;
1685
  i386|i486|i586|i686)
1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705