aclocal.m4 47.1 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117

    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
])


# 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='$topdir/../mingw/bin/windres.exe'
Ian Lynagh's avatar
Ian Lynagh committed
118
        SettingsTouchCommand='$topdir/touchy.exe'
119 120 121 122 123 124 125 126 127 128 129 130 131 132
    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)
133 134 135
])


136 137
# FPTOOLS_SET_C_LD_FLAGS
# ----------------------------------
138 139
# Set the C, LD and CPP flags for a given platform
# $1 is the platform
140 141 142 143
# $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
144 145
AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
[
146
    AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
147
    case $$1 in
148
    i386-apple-darwin)
149 150
        $2="$$2 -m32"
        $3="$$3 -m32"
151
        $4="$$4 -arch i386"
152
        $5="$$5 -m32"
153 154 155
        ;;
    x86_64-apple-darwin)
        $2="$$2 -m64"
156
        $3="$$3 -m64"
157 158
        $4="$$4 -arch x86_64"
        $5="$$5 -m64"
159
        ;;
160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
    alpha-*)
        # For now, to suppress the gcc warning "call-clobbered
        # register used for global register variable", we simply
        # disable all warnings altogether using the -w flag. Oh well.
        $2="$$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"
        ;;
175
    esac
176 177 178 179 180 181 182 183

    # 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
184
    rm -f conftest.c conftest.o
Ian Lynagh's avatar
Ian Lynagh committed
185
    AC_MSG_RESULT([done])
186 187 188
])


189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206
# 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
])


207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
# 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
])


234
# FP_EVAL_STDERR(COMMAND)
235
# -----------------------
236 237 238 239 240 241 242 243 244 245 246
# 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


247 248 249 250
# FP_ARG_WITH_PATH_GNU_PROG
# --------------------
# XXX
#
251 252
# $1 = the variable to set
# $2 = the command to look for
253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
#
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


281 282 283
# FP_PROG_CONTEXT_DIFF
# --------------------
# Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
284 285 286 287
#
# Note: NeXTStep thinks diff'ing a file against itself is "trouble".
#
# Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
288 289 290 291 292
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
293
for fp_var in '-U 1' '-u1' '-C 1' '-c1'
294 295 296 297 298 299 300 301 302 303 304 305 306
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


307
# FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
308
# --------------------------------------------------------
309 310 311
# 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.
312 313 314 315
#
# 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.
316 317 318 319 320 321 322 323 324 325
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],
326
[AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
327
               [AC_FATAL([$0: requires literal arguments])])[]dnl
328 329 330
AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
AC_CACHE_CHECK([alignment of $1], [fp_Cache],
331 332
[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
  FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
333
                 [fp_Cache],
334
                 [AC_INCLUDES_DEFAULT([$3])],
335 336
                 [AC_MSG_ERROR([cannot compute alignment ($1)
See `config.log' for more details.], [77])])
337
else
338 339 340 341
  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
342 343 344
])# FP_CHECK_ALIGNMENT


345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
# 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"
364
case $HostPlatform in
dons's avatar
dons committed
365
*openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
366 367 368 369 370 371 372
  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;;
373 374 375 376

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

377
*) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
sof's avatar
sof committed
378
#include <nlist.h>
379 380
struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
sof's avatar
sof committed
381 382
#endif

383 384 385
int main(argc, argv)
int argc;
char **argv;
sof's avatar
sof committed
386 387
{
#ifdef HAVE_NLIST_H
388 389 390
    if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
        exit(1);
    if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
391
        exit(0);
sof's avatar
sof committed
392 393
#endif
    exit(1);
394
}]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
395
;;
396 397 398 399 400
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
401

402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429

# 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
430 431


reid's avatar
reid committed
432
dnl
433
dnl Check for GreenCard and version.
reid's avatar
reid committed
434
dnl
435
AC_DEFUN([FPTOOLS_GREENCARD],
reid's avatar
reid committed
436
[
437
AC_PATH_PROG(GreenCardCmd,greencard)
reid's avatar
reid committed
438
AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
reid's avatar
reid committed
439
changequote(, )dnl
440 441
[if test x"$GreenCardCmd" != x; then
   fptools_cv_greencard_version="`$GreenCardCmd --version |
reid's avatar
reid committed
442
			  grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
reid's avatar
reid committed
443 444 445 446 447
else
   fptools_cv_greencard_version=""
fi
changequote([, ])dnl
])
448 449
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
450 451
GreenCardVersion=$fptools_cv_greencard_version
AC_SUBST(GreenCardVersion)
reid's avatar
reid committed
452 453
])

sof's avatar
sof committed
454
dnl
455
dnl Check for Happy and version.  If we're building GHC, then we need
456
dnl at least Happy version 1.14.  If there's no installed Happy, we look
457 458
dnl for a happy source tree and point the build system at that instead.
dnl
459
AC_DEFUN([FPTOOLS_HAPPY],
460
[AC_PATH_PROG(HappyCmd,happy,)
461 462 463 464 465 466
# Happy is passed to Cabal, so we need a native path
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HappyCmd}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
467
    HappyCmd=`cygpath -m "${HappyCmd}"`
468 469 470
    AC_MSG_NOTICE([normalized happy command to $HappyCmd])
fi

sof's avatar
sof committed
471
AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
sof's avatar
sof committed
472
changequote(, )dnl
473
[if test x"$HappyCmd" != x; then
474 475
   fptools_cv_happy_version=`"$HappyCmd" -v |
			  grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
sof's avatar
sof committed
476
else
sof's avatar
sof committed
477
   fptools_cv_happy_version="";
sof's avatar
sof committed
478
fi;
479
changequote([, ])dnl
480
])
481
if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
482
then
483 484
    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
      [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
485
fi
486
HappyVersion=$fptools_cv_happy_version;
sof's avatar
sof committed
487 488 489
AC_SUBST(HappyVersion)
])

490 491
dnl
dnl Check for Alex and version.  If we're building GHC, then we need
Ian Lynagh's avatar
Ian Lynagh committed
492
dnl at least Alex version 2.0.1.
493
dnl
494
AC_DEFUN([FPTOOLS_ALEX],
495
[
496
AC_PATH_PROG(AlexCmd,alex,)
497 498 499 500 501 502
# Alex is passed to Cabal, so we need a native path
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${AlexCmd}"     != ""
then
    # Canonicalise to <drive>:/path/to/gcc
503
    AlexCmd=`cygpath -m "${AlexCmd}"`
504 505
fi

506 507
AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
changequote(, )dnl
508
[if test x"$AlexCmd" != x; then
509 510
   fptools_cv_alex_version=`"$AlexCmd" -v |
			  grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
511 512 513 514 515
else
   fptools_cv_alex_version="";
fi;
changequote([, ])dnl
])
516 517
if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
then
Simon Marlow's avatar
Simon Marlow committed
518
    FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
519
      [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
520
fi
521 522 523 524
AlexVersion=$fptools_cv_alex_version;
AC_SUBST(AlexVersion)
])

sof's avatar
sof committed
525

526 527 528 529 530
# 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],
531
[
532 533
AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
[echo 'foo() {}' > conftest.c
534
${CC-cc} -c conftest.c
535
if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
536
   fp_cv_ld_x=yes
537
else
538
   fp_cv_ld_x=no
539
fi
540 541 542
rm -rf conftest*])
if test "$fp_cv_ld_x" = yes; then
  LdXFlag=-x
543
else
544
  LdXFlag=
545
fi
546 547 548 549
AC_SUBST([LdXFlag])
])# FP_PROG_LD_X


550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574
# 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


575 576 577 578 579
# 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],
580
[
581 582 583 584 585 586 587 588
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
589

sof's avatar
sof committed
590

591 592 593 594 595 596 597 598
# 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 "$fp_prog_ar_raw"; then
  AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
sof's avatar
sof committed
599
fi
Ian Lynagh's avatar
Ian Lynagh committed
600
fp_prog_ar="$fp_prog_ar_raw"
sof's avatar
sof committed
601
case $HostPlatform in
602
  *mingw32) if test x${OSTYPE} != xmsys; then
Ian Lynagh's avatar
Ian Lynagh committed
603
 	      fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
604 605 606
              AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
            fi
            ;;
sof's avatar
sof committed
607
esac
608 609 610 611 612 613 614 615 616
])# 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 $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
Ian Lynagh's avatar
Ian Lynagh committed
617
[if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
618 619 620 621 622
  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
623
AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
624 625 626
])# FP_PROG_AR_IS_GNU


627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652
# 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

653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669
# 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 $fp_prog_ar_is_gnu = yes; then
  fp_cv_prog_ar_args="q"
else
  touch conftest.dummy
  for fp_var in clqsZ clqs cqs clq cq ; do
     rm -f conftest.a
670
     if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
671 672 673 674 675 676 677 678 679 680
        fp_cv_prog_ar_args=$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
681 682
AC_SUBST([ArCmd], ["$fp_prog_ar"])
AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
683 684 685 686 687 688 689

])# FP_PROG_AR_ARGS


# FP_PROG_AR_NEEDS_RANLIB
# -----------------------
# Sets the output variable RANLIB to "ranlib" if it is needed and found,
690
# to "true" otherwise.
691 692 693
AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
[AC_REQUIRE([FP_PROG_AR_IS_GNU])
AC_REQUIRE([FP_PROG_AR_ARGS])
694
AC_REQUIRE([AC_PROG_CC])
695 696 697
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
698
elif echo $TargetPlatform | grep "^.*-apple-darwin$"  > /dev/null 2> /dev/null; then
699 700 701
  # 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
702 703 704 705 706 707 708
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
709
else
710
  RANLIB="true"
711
  AC_SUBST([RANLIB])
ken's avatar
ken committed
712
fi
713 714 715
])# FP_PROG_AR_NEEDS_RANLIB


sof's avatar
sof committed
716
dnl
sof's avatar
sof committed
717
dnl AC_SHEBANG_PERL - can we she-bang perl?
sof's avatar
sof committed
718
dnl
719
AC_DEFUN([FPTOOLS_SHEBANG_PERL],
sof's avatar
sof committed
720
[AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
sof's avatar
sof committed
721 722 723 724 725 726
[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
727
   fptools_cv_shebang_perl=yes
sof's avatar
sof committed
728
else
sof's avatar
sof committed
729
   fptools_cv_shebang_perl=no
sof's avatar
sof committed
730 731 732 733
fi
rm -f conftest
])])

734

735
# FP_GCC_VERSION
736 737
# -----------
# Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
738
# output variable GccVersion.
739
AC_DEFUN([FP_GCC_VERSION],
740
[AC_REQUIRE([AC_PROG_CC])
741 742
if test -z "$GCC"
then
743 744
  AC_MSG_ERROR([gcc is required])
fi
Ian Lynagh's avatar
Ian Lynagh committed
745 746
GccLT34=NO
GccLT46=NO
747
AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
748 749 750 751 752 753 754 755
[
    fp_cv_gcc_version="`$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)
Ian Lynagh's avatar
Ian Lynagh committed
756
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [4.6], GccLT46=YES)
757
])
758
AC_SUBST([GccVersion], [$fp_cv_gcc_version])
759
AC_SUBST(GccLT34)
Ian Lynagh's avatar
Ian Lynagh committed
760
AC_SUBST(GccLT46)
761
])# FP_GCC_VERSION
762

sof's avatar
sof committed
763
dnl Small feature test for perl version. Assumes PerlCmd
764 765 766 767
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
768
dnl
769
AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
sof's avatar
sof committed
770
[$PerlCmd -v >conftest.out 2>&1
771
   if grep "v5" conftest.out >/dev/null 2>&1; then
dons's avatar
dons committed
772 773
      :
   else
774
      AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
dons's avatar
dons committed
775
   fi
sof's avatar
sof committed
776 777
rm -fr conftest*
])
reid's avatar
reid committed
778

779 780 781 782 783 784 785 786 787 788 789 790 791 792 793

# 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
794
[AC_PATH_PROGS([fp_prog_find], [gfind find], find)
795 796 797 798
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".
Ian Lynagh's avatar
Ian Lynagh committed
799 800 801 802 803 804 805 806 807
  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 $fp_prog_find])
      fi ;;
    *) ;;
  esac
808
  FindCmd="$fp_prog_find"
sof's avatar
sof committed
809
else
810 811 812
  # 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
813
fi
814 815 816 817
rm -f conftest.txt conftest.out
AC_SUBST([FindCmd])[]dnl
])# FP_PROG_FIND

sof's avatar
sof committed
818

sof's avatar
sof committed
819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
# 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

838 839 840 841 842 843 844
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
845
AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
846 847 848 849 850
[AC_MSG_CHECKING([$1])
 $3
 AC_MSG_RESULT([$][$2])
])

851 852 853
dnl
dnl FPTOOLS_GHC_VERSION(version)
dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
854
dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
855 856
dnl
dnl Test for version of installed ghc.  Uses $GHC.
857
dnl [original version pinched from c2hs]
858
dnl
859
AC_DEFUN([FPTOOLS_GHC_VERSION],
860
[FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
861
["${WithGhc-ghc}" --version > conftestghc 2>&1
862
  cat conftestghc >&AS_MESSAGE_LOG_FD
863 864
#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'`
865
  rm -fr conftest*
866
  if test "[$]fptools_version_of_ghc" = ""
867
  then
868 869 870 871 872 873 874
    fptools_version_of_ghc='unknown'
  fi
fptools_version_of_ghc[_major]=`echo [$]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 "[$]fptools_version_of_ghc[_pl]" = ""
875
then
876 877
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
  fptools_version_of_ghc[_pl]="0"
878
else
879
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
880
fi
881
#
882
ifelse($#, [1], [dnl
883
[$1]="[$]fptools_version_of_ghc[_all]"
884
], $#, [2], [dnl
885 886
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
887
], $#, [3], [dnl
888 889 890
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
[$3]="[$]fptools_version_of_ghc[_pl]"
891
], $#, [4], [dnl
892 893 894 895 896 897
[$1]="[$]fptools_version_of_ghc[_all]"
[$2]="[$]fptools_version_of_ghc[_major]"
[$3]="[$]fptools_version_of_ghc[_minor]"
[$4]="[$]fptools_version_of_ghc[_pl]"
])
])
898
])dnl
899 900


901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918
# 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


919 920
# FP_GEN_DOCBOOK_XML
# ------------------
921
# Generates a DocBook XML V4.5 document in conftest.xml.
922 923 924 925 926 927 928
#
# 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
#
929
AC_DEFUN([FP_GEN_DOCBOOK_XML],
930
[rm -f conftest.xml conftest-book.xml
931 932
cat > conftest.xml << EOF
<?xml version="1.0" encoding="iso-8859-1"?>
933 934
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
935 936
<!ENTITY conftest-book SYSTEM "conftest-book.xml">
]]>
937
<book id="test">
938 939 940 941 942 943
&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>
944 945 946 947 948 949 950 951 952 953 954 955
  <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


956 957 958 959 960 961 962 963 964 965 966 967 968
# 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


969 970 971 972 973 974 975
# 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
976
  AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
977 978 979 980
fi
])# FP_PROG_XSLTPROC


981
# FP_DOCBOOK_XSL
982
# ----------------------------
983
# Check that we can process a DocBook XML document to HTML using xsltproc.
984
AC_DEFUN([FP_DOCBOOK_XSL],
985 986
[AC_REQUIRE([FP_PROG_XSLTPROC])dnl
if test -n "$XsltprocCmd"; then
987
  AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
988 989
  [FP_GEN_DOCBOOK_XML
  fp_cv_dir_docbook_xsl=no
990 991 992
  if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
     fp_cv_dir_docbook_xsl=yes
  fi
993 994 995 996
  rm -rf conftest*])
fi
if test x"$fp_cv_dir_docbook_xsl" = xno; then
  AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
997
  HAVE_DOCBOOK_XSL=NO
998
else
999
  HAVE_DOCBOOK_XSL=YES
1000
fi
1001 1002
AC_SUBST([HAVE_DOCBOOK_XSL])
])# FP_DOCBOOK_XSL
1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023


# 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
1024
  if $XmllintCmd --nonet --valid --noout conftest.xml ; then
1025 1026 1027
    AC_MSG_RESULT([ok])
  else
    AC_MSG_RESULT([failed])
1028
    AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
1029 1030 1031 1032 1033 1034 1035
    AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
  fi
  rm -rf conftest*
fi
])# FP_CHECK_DOCBOOK_DTD


1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066
# 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
1067
[AC_PATH_PROGS([FopCmd1], [fop fop.sh])
1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088
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


1089 1090 1091
# 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
1092
# WithGhc. Sets the output variable GhcPkgCmd.
1093 1094
AC_DEFUN([FP_PROG_GHC_PKG],
[AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
Ian Lynagh's avatar
Ian Lynagh committed
1095 1096 1097 1098 1099 1100 1101 1102
[
# If we are told to use ghc-stage2, then we're using an in-tree
# compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
# so we sed off -stage[0-9]$. 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
1103
  fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1104
else
Ian Lynagh's avatar
Ian Lynagh committed
1105
  AC_MSG_ERROR([Cannot find matching ghc-pkg])
1106
fi])
Ian Lynagh's avatar
Ian Lynagh committed
1107 1108 1109
GhcPkgCmd=$fp_cv_matching_ghc_pkg
AC_SUBST([GhcPkgCmd])
])# FP_PROG_GHC_PKG
1110

1111

1112 1113 1114 1115 1116 1117 1118 1119 1120
# 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],
1121
[AC_REQUIRE([FP_GCC_VERSION])
1122 1123
AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
[fp_cv_gcc_extra_opts=
1124
 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1125 1126 1127 1128 1129
  [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
  [])
])
AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
])
1130

1131

1132 1133 1134
# FP_SETUP_PROJECT_VERSION
# ---------------------
AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1135 1136 1137
[
if test "$RELEASE" = "NO"; then
    AC_MSG_CHECKING([for GHC version date])
1138 1139
    if test -f VERSION_DATE; then
        PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
Ian Lynagh's avatar
Ian Lynagh committed
1140
        AC_MSG_RESULT(given $PACKAGE_VERSION)
1141 1142
    elif test -d .git; then
        changequote(, )dnl
1143
        ver_date=`git log -n 1 --date=short --pretty=format:%ci | cut -d ' ' -f 1 | tr -d -`
1144 1145 1146 1147 1148 1149
        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)
1150
    elif test -d _darcs; then
1151
        # TODO: Remove this branch after conversion to Git
1152
        changequote(, )dnl
1153
        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`
1154
        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
1155
        changequote([, ])dnl
1156 1157
                AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
        fi
1158
        PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
Ian Lynagh's avatar
Ian Lynagh committed
1159
        AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1160
    elif test -f VERSION; then
1161
        PACKAGE_VERSION=`cat VERSION`
Ian Lynagh's avatar
Ian Lynagh committed
1162
        AC_MSG_RESULT(given $PACKAGE_VERSION)
1163
    else
1164
        AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1165 1166 1167 1168
    fi
fi

# Some renamings
sven.panne@aedion.de's avatar
sven.panne@aedion.de committed
1169
AC_SUBST([ProjectName], [$PACKAGE_NAME])
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192
AC_SUBST([ProjectVersion], [$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])
1193
])# FP_SETUP_PROJECT_VERSION
1194

1195 1196 1197 1198 1199

# 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).
#
1200 1201 1202 1203
AC_DEFUN([FP_CHECK_TIMER_CREATE],
  [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)], 
    [fptools_cv_timer_create_works],
    [AC_TRY_RUN([
1204 1205 1206 1207
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
1208 1209 1210 1211 1212 1213 1214 1215 1216
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
1217 1218 1219 1220 1221 1222 1223

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

1224 1225 1226 1227 1228 1229 1230
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);
}

1231 1232
int main(int argc, char *argv[])
{
1233

1234 1235
    struct sigevent ev;
    timer_t timer;
1236 1237 1238 1239
    struct itimerspec it;
    struct sigaction action;
    int m,n,count = 0;

1240 1241
    ev.sigev_notify = SIGEV_SIGNAL;
    ev.sigev_signo  = SIGVTALRM;
1242 1243 1244 1245 1246 1247 1248 1249 1250

    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);
    }

1251 1252 1253 1254 1255 1256 1257 1258 1259
    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
1260
    if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1261
        fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1262 1263
       exit(1);
    }
1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283

    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) {
1284
        fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295
        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;
1296
    it.it_value.tv_nsec = 1000000;
1297 1298 1299 1300 1301 1302 1303 1304
    it.it_interval = it.it_value;
    if (timer_settime(timer, 0, &it, NULL) != 0) {
        fprintf(stderr,"settime problem\n");
        exit(4);
    }

    tock = 0;

1305
    usleep(3000);
1306 1307 1308 1309 1310 1311 1312 1313

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

    timer_delete(timer);

1314 1315 1316 1317 1318 1319 1320 1321
    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
1322
                   [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1323 1324 1325
esac
])

Ian Lynagh's avatar
Ian Lynagh committed
1326
# FP_ICONV
1327
# -------------
Ian Lynagh's avatar
Ian Lynagh committed
1328
AC_DEFUN([FP_ICONV],
1329
[
Ian Lynagh's avatar
Ian Lynagh committed
1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
  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
1373

1374 1375 1376
# FP_CHECK_MACOSX_DEPLOYMENT_TARGET
# ---------------------------------
AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1377 1378 1379
[
if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
  AC_MSG_CHECKING([Mac OS X deployment target])
1380
  case $FP_MACOSX_DEPLOYMENT_TARGET in
1381
    none)  ;;