aclocal.m4 40 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
# 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
])


34
# FP_EVAL_STDERR(COMMAND)
35
# -----------------------
36 37 38 39 40 41 42 43 44 45 46
# 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


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
# FP_ARG_WITH_PATH_GNU_PROG
# --------------------
# XXX
#
# $1 = the command to look for
# $2 = the variable to set
#
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


81 82 83
# FP_PROG_CONTEXT_DIFF
# --------------------
# Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
84 85 86 87
#
# Note: NeXTStep thinks diff'ing a file against itself is "trouble".
#
# Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
88 89 90 91 92
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
93
for fp_var in '-U 1' '-u1' '-C 1' '-c1'
94 95 96 97 98 99 100 101 102 103 104 105 106
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


107
# FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
108
# --------------------------------------------------------
109 110 111
# 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.
112 113 114 115
#
# 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.
116 117 118 119 120 121 122 123 124 125 126
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],
[AS_LITERAL_IF([$1], [],
127
               [AC_FATAL([$0: requires literal arguments])])[]dnl
128 129 130
AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
AC_CACHE_CHECK([alignment of $1], [fp_Cache],
131 132
[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
  FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
133
                 [fp_Cache],
134
                 [AC_INCLUDES_DEFAULT([$3])],
135 136
                 [AC_MSG_ERROR([cannot compute alignment ($1)
See `config.log' for more details.], [77])])
137
else
138 139 140 141
  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
142 143 144
])# FP_CHECK_ALIGNMENT


145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163
# 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"
164
case $HostPlatform in
dons's avatar
dons committed
165
*openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
166 167 168 169 170 171 172
  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;;
173 174 175 176

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

177
*) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
sof's avatar
sof committed
178
#include <nlist.h>
179 180
struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
sof's avatar
sof committed
181 182
#endif

183 184 185
int main(argc, argv)
int argc;
char **argv;
sof's avatar
sof committed
186 187
{
#ifdef HAVE_NLIST_H
188 189 190
    if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
        exit(1);
    if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
191
        exit(0);
sof's avatar
sof committed
192 193
#endif
    exit(1);
194
}]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
195
;;
196 197 198 199 200
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
201

202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229

# 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
230 231


reid's avatar
reid committed
232
dnl
233
dnl Check for GreenCard and version.
reid's avatar
reid committed
234
dnl
235
AC_DEFUN([FPTOOLS_GREENCARD],
reid's avatar
reid committed
236
[
237
AC_PATH_PROG(GreenCardCmd,greencard)
reid's avatar
reid committed
238
AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
reid's avatar
reid committed
239
changequote(, )dnl
240 241
[if test x"$GreenCardCmd" != x; then
   fptools_cv_greencard_version="`$GreenCardCmd --version |
reid's avatar
reid committed
242
			  grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
reid's avatar
reid committed
243 244 245 246 247
else
   fptools_cv_greencard_version=""
fi
changequote([, ])dnl
])
248 249
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
250 251
GreenCardVersion=$fptools_cv_greencard_version
AC_SUBST(GreenCardVersion)
reid's avatar
reid committed
252 253
])

sof's avatar
sof committed
254
dnl
255
dnl Check for Happy and version.  If we're building GHC, then we need
256
dnl at least Happy version 1.14.  If there's no installed Happy, we look
257 258
dnl for a happy source tree and point the build system at that instead.
dnl
259
AC_DEFUN([FPTOOLS_HAPPY],
260
[AC_PATH_PROG(HappyCmd,happy,)
261 262 263 264 265 266 267 268 269 270
# 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
    HappyCmd=`cygpath -m ${HappyCmd}`
    AC_MSG_NOTICE([normalized happy command to $HappyCmd])
fi

sof's avatar
sof committed
271
AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
sof's avatar
sof committed
272
changequote(, )dnl
273
[if test x"$HappyCmd" != x; then
274 275
   fptools_cv_happy_version=`"$HappyCmd" -v |
			  grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
sof's avatar
sof committed
276
else
sof's avatar
sof committed
277
   fptools_cv_happy_version="";
sof's avatar
sof committed
278
fi;
279
changequote([, ])dnl
280
])
281
if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
282
then
283 284
    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
      [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
285
fi
286
HappyVersion=$fptools_cv_happy_version;
sof's avatar
sof committed
287 288 289
AC_SUBST(HappyVersion)
])

290 291
dnl
dnl Check for Alex and version.  If we're building GHC, then we need
Ian Lynagh's avatar
Ian Lynagh committed
292
dnl at least Alex version 2.0.1.
293
dnl
294
AC_DEFUN([FPTOOLS_ALEX],
295
[
296
AC_PATH_PROG(AlexCmd,alex,)
297 298 299 300 301 302 303 304 305
# 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
    AlexCmd=`cygpath -m ${AlexCmd}`
fi

306 307
AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
changequote(, )dnl
308
[if test x"$AlexCmd" != x; then
309 310
   fptools_cv_alex_version=`"$AlexCmd" -v |
			  grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
311 312 313 314 315
else
   fptools_cv_alex_version="";
fi;
changequote([, ])dnl
])
316 317
if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
then
Simon Marlow's avatar
Simon Marlow committed
318
    FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
319
      [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
320
fi
321 322 323 324
AlexVersion=$fptools_cv_alex_version;
AC_SUBST(AlexVersion)
])

sof's avatar
sof committed
325

326 327 328 329 330
# 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],
331
[
332 333
AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
[echo 'foo() {}' > conftest.c
334
${CC-cc} -c conftest.c
335
if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
336
   fp_cv_ld_x=yes
337
else
338
   fp_cv_ld_x=no
339
fi
340 341 342
rm -rf conftest*])
if test "$fp_cv_ld_x" = yes; then
  LdXFlag=-x
343
else
344
  LdXFlag=
345
fi
346 347 348 349 350 351 352 353 354
AC_SUBST([LdXFlag])
])# FP_PROG_LD_X


# 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],
355
[
356 357 358 359 360 361 362 363
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
364

sof's avatar
sof committed
365

366 367 368 369 370 371 372 373
# 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 "$fp_prog_ar_raw"; then
  AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
sof's avatar
sof committed
374
fi
Ian Lynagh's avatar
Ian Lynagh committed
375
fp_prog_ar="$fp_prog_ar_raw"
sof's avatar
sof committed
376
case $HostPlatform in
377
  *mingw32) if test x${OSTYPE} != xmsys; then
Ian Lynagh's avatar
Ian Lynagh committed
378
 	      fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
379 380 381
              AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
            fi
            ;;
sof's avatar
sof committed
382
esac
383 384 385 386 387 388 389 390 391
])# 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 $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
Ian Lynagh's avatar
Ian Lynagh committed
392
[if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
393 394 395 396 397
  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
398
AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418
])# FP_PROG_AR_IS_GNU


# 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 $fp_prog_ar_is_gnu = yes; then
  fp_cv_prog_ar_args="q"
else
  touch conftest.dummy
  for fp_var in clqsZ clqs cqs clq cq ; do
     rm -f conftest.a
419
     if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
420 421 422 423 424 425 426 427 428 429
        fp_cv_prog_ar_args=$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
430 431
AC_SUBST([ArCmd], ["$fp_prog_ar"])
AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
432 433 434 435 436 437 438 439 440 441 442

])# FP_PROG_AR_ARGS


# FP_PROG_AR_NEEDS_RANLIB
# -----------------------
# Sets the output variable RANLIB to "ranlib" if it is needed and found,
# to ":" otherwise.
AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
[AC_REQUIRE([FP_PROG_AR_IS_GNU])
AC_REQUIRE([FP_PROG_AR_ARGS])
443
AC_REQUIRE([AC_PROG_CC])
444 445 446
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
447
elif echo $TargetPlatform | grep "^.*-apple-darwin$"  > /dev/null 2> /dev/null; then
448 449 450
  # 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
451 452 453 454 455 456 457
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
458
else
459 460
  RANLIB=":"
  AC_SUBST([RANLIB])
ken's avatar
ken committed
461
fi
462 463 464 465 466 467 468 469 470 471 472 473 474 475 476
])# FP_PROG_AR_NEEDS_RANLIB


# FP_PROG_AR_SUPPORTS_INPUT
# -------------------------
# Sets the output variable ArSupportsInput to "-input" or "", depending on
# whether ar supports -input flag is supported or not.
AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
[AC_REQUIRE([FP_PROG_AR_IS_GNU])
AC_REQUIRE([FP_PROG_AR_ARGS])
AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
[fp_cv_prog_ar_supports_input=no
if test $fp_prog_ar_is_gnu = no; then
  rm -f conftest*
  touch conftest.lst
Ian Lynagh's avatar
Ian Lynagh committed
477
  if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
478
    test -s conftest.err || fp_cv_prog_ar_supports_input=yes
479 480 481 482 483
  fi
  rm -f conftest*
fi])
if test $fp_cv_prog_ar_supports_input = yes; then
    ArSupportsInput="-input"
sof's avatar
sof committed
484
else
485
    ArSupportsInput=""
sof's avatar
sof committed
486
fi
487 488 489
AC_SUBST([ArSupportsInput])
])# FP_PROG_AR_SUPPORTS_INPUT

sof's avatar
sof committed
490

sof's avatar
sof committed
491
dnl
sof's avatar
sof committed
492
dnl AC_SHEBANG_PERL - can we she-bang perl?
sof's avatar
sof committed
493
dnl
494
AC_DEFUN([FPTOOLS_SHEBANG_PERL],
sof's avatar
sof committed
495
[AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
sof's avatar
sof committed
496 497 498 499 500 501
[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
502
   fptools_cv_shebang_perl=yes
sof's avatar
sof committed
503
else
sof's avatar
sof committed
504
   fptools_cv_shebang_perl=no
sof's avatar
sof committed
505 506 507 508
fi
rm -f conftest
])])

509 510 511 512 513 514 515

# FP_HAVE_GCC
# -----------
# Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
# output variables HaveGcc and GccVersion.
AC_DEFUN([FP_HAVE_GCC],
[AC_REQUIRE([AC_PROG_CC])
516 517
if test -z "$GCC"; then
   fp_have_gcc=NO
sof's avatar
sof committed
518
else
519 520 521 522 523
   fp_have_gcc=YES
fi
if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
  AC_MSG_ERROR([gcc is required])
fi
524
GccLT34=
525
AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
526
[if test "$fp_have_gcc" = "YES"; then
527 528
   fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
   FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
Simon Marlow's avatar
Simon Marlow committed
529 530 531 532
     [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
   # See #2770: gcc 2.95 doesn't work any more, apparently.  There probably
   # isn't a very good reason for that, but for now just make configure
   # fail.
533
   FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
534
 else
535
   fp_cv_gcc_version="not-installed"
536 537 538
 fi
])
AC_SUBST([HaveGcc], [$fp_have_gcc])
539
AC_SUBST([GccVersion], [$fp_cv_gcc_version])
540
AC_SUBST(GccLT34)
541
])# FP_HAVE_GCC
542

sof's avatar
sof committed
543
dnl Small feature test for perl version. Assumes PerlCmd
544 545 546 547
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
548
dnl
549
AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
sof's avatar
sof committed
550
[$PerlCmd -v >conftest.out 2>&1
551
   if grep "v5" conftest.out >/dev/null 2>&1; then
dons's avatar
dons committed
552 553
      :
   else
554
      AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
dons's avatar
dons committed
555
   fi
sof's avatar
sof committed
556 557
rm -fr conftest*
])
reid's avatar
reid committed
558

559 560 561 562 563 564 565 566 567 568 569 570 571 572 573

# 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
574
[AC_PATH_PROGS([fp_prog_find], [gfind find], find)
575 576 577 578
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
579 580 581 582 583 584 585 586 587
  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 $fp_prog_find])
      fi ;;
    *) ;;
  esac
588
  FindCmd="$fp_prog_find"
sof's avatar
sof committed
589
else
590 591 592
  # 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
593
fi
594 595 596 597
rm -f conftest.txt conftest.out
AC_SUBST([FindCmd])[]dnl
])# FP_PROG_FIND

sof's avatar
sof committed
598

sof's avatar
sof committed
599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617
# 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

618 619 620 621 622 623 624
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
625
AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
626 627 628 629 630
[AC_MSG_CHECKING([$1])
 $3
 AC_MSG_RESULT([$][$2])
])

631 632 633
dnl
dnl FPTOOLS_GHC_VERSION(version)
dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
634
dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
635 636
dnl
dnl Test for version of installed ghc.  Uses $GHC.
637
dnl [original version pinched from c2hs]
638
dnl
639
AC_DEFUN([FPTOOLS_GHC_VERSION],
640
[FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
641
["${WithGhc-ghc}" --version > conftestghc 2>&1
642
  cat conftestghc >&AS_MESSAGE_LOG_FD
643 644
#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'`
645
  rm -fr conftest*
646
  if test "[$]fptools_version_of_ghc" = ""
647
  then
648 649 650 651 652 653 654
    fptools_version_of_ghc='unknown'
  fi
fptools_version_of_ghc[_major]=`echo [$]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 "[$]fptools_version_of_ghc[_pl]" = ""
655
then
656 657
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
  fptools_version_of_ghc[_pl]="0"
658
else
659
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
660
fi
661
#
662
ifelse($#, [1], [dnl
663
[$1]="[$]fptools_version_of_ghc[_all]"
664
], $#, [2], [dnl
665 666
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
667
], $#, [3], [dnl
668 669 670
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
[$3]="[$]fptools_version_of_ghc[_pl]"
671
], $#, [4], [dnl
672 673 674 675 676 677
[$1]="[$]fptools_version_of_ghc[_all]"
[$2]="[$]fptools_version_of_ghc[_major]"
[$3]="[$]fptools_version_of_ghc[_minor]"
[$4]="[$]fptools_version_of_ghc[_pl]"
])
])
678
])dnl
679 680


681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698
# 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


699 700 701
# FP_GEN_DOCBOOK_XML
# ------------------
# Generates a DocBook XML V4.2 document in conftest.xml.
702 703 704 705 706 707 708
#
# 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
#
709
AC_DEFUN([FP_GEN_DOCBOOK_XML],
710
[rm -f conftest.xml conftest-book.xml
711 712 713
cat > conftest.xml << EOF
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
714 715 716
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [[
<!ENTITY conftest-book SYSTEM "conftest-book.xml">
]]>
717
<book id="test">
718 719 720 721 722 723
&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>
724 725 726 727 728 729 730 731 732 733 734 735
  <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


736 737 738 739 740 741 742 743 744 745 746 747 748
# 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


749 750 751 752 753 754 755
# 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
756
  AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
757 758 759 760
fi
])# FP_PROG_XSLTPROC


761
# FP_DOCBOOK_XSL
762
# ----------------------------
763
# Check that we can process a DocBook XML document to HTML using xsltproc.
764
AC_DEFUN([FP_DOCBOOK_XSL],
765 766
[AC_REQUIRE([FP_PROG_XSLTPROC])dnl
if test -n "$XsltprocCmd"; then
767
  AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
768 769
  [FP_GEN_DOCBOOK_XML
  fp_cv_dir_docbook_xsl=no
770 771 772
  if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
     fp_cv_dir_docbook_xsl=yes
  fi
773 774 775 776
  rm -rf conftest*])
fi
if test x"$fp_cv_dir_docbook_xsl" = xno; then
  AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
777
  HAVE_DOCBOOK_XSL=NO
778
else
779
  HAVE_DOCBOOK_XSL=YES
780
fi
781 782
AC_SUBST([HAVE_DOCBOOK_XSL])
])# FP_DOCBOOK_XSL
783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803


# 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
804
  if $XmllintCmd --nonet --valid --noout conftest.xml ; then
805 806 807 808 809 810 811 812 813 814 815
    AC_MSG_RESULT([ok])
  else
    AC_MSG_RESULT([failed])
    AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
    AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
  fi
  rm -rf conftest*
fi
])# FP_CHECK_DOCBOOK_DTD


816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846
# 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
847
[AC_PATH_PROGS([FopCmd1], [fop fop.sh])
848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868
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


Ian Lynagh's avatar
Ian Lynagh committed
869 870 871 872 873 874 875 876 877 878 879 880
# FP_PROG_HSTAGS
# ----------------
# Sets the output variable HstagsCmd to the full Haskell tags program path.
# HstagsCmd is empty if no such program could be found.
AC_DEFUN([FP_PROG_HSTAGS],
[AC_PATH_PROG([HstagsCmd], [hasktags])
if test -z "$HstagsCmd"; then
  AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
fi
])# FP_PROG_HSTAGS


881 882 883 884 885 886 887 888 889 890
# FP_PROG_GHC_PKG
# ----------------
# Try to find a ghc-pkg matching the ghc mentioned in the environment variable
# WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
# find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
AC_DEFUN([FP_PROG_GHC_PKG],
[AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
[fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
  fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
891 892 893
elif "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
  # from 6.10, ghc-pkg doesn't support the old -l syntax any more
  fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
894 895 896 897 898 899 900 901 902
else
  fp_cv_matching_ghc_pkg=no
fi])
if test x"$fp_cv_matching_ghc_pkg" = xno; then
  AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
else
  GhcPkgCmd=$fp_cv_matching_ghc_pkg
fi])# FP_PROG_GHC_PKG

903

904 905 906 907 908
# FP_GCC_EXTRA_FLAGS
# ------------------
# Determine which extra flags we need to pass gcc when we invoke it
# to compile .hc code.
#
909
# Some OSs (Mandrake Linux, in particular) configure GCC with
910 911 912 913 914 915 916 917 918 919 920 921
# -momit-leaf-frame-pointer on by default. If this is the case, we
# need to turn it off for mangling to work. The test is currently a
# bit crude, using only the version number of gcc.
# 
# -fwrapv is needed for gcc to emit well-behaved code in the presence of
# integer wrap around. (Trac #952)
#
# -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
# reordering things in the module and confusing the manger and/or splitter.
# (eg. Trac #1427)
#
AC_DEFUN([FP_GCC_EXTRA_FLAGS],
922
[AC_REQUIRE([FP_HAVE_GCC])
923 924
AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
[fp_cv_gcc_extra_opts=
925
 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
926 927 928 929
  [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
  [])
 case $TargetPlatform in
  i386-*|x86_64-*) 
930
     FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
931 932
      [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
      [])
933 934
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
     [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
935 936 937 938 939
       [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
       [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
     )],
     [])
  ;;
940
  sparc-*-solaris2) 
941
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
942 943 944
      [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
      [])
  ;;
945 946 947 948
 esac
])
AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
])
949

950

951 952 953
# FP_SETUP_PROJECT_VERSION
# ---------------------
AC_DEFUN([FP_SETUP_PROJECT_VERSION],
954 955 956
[
if test "$RELEASE" = "NO"; then
    AC_MSG_CHECKING([for GHC version date])
957 958
    if test -f VERSION_DATE; then
        PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
Ian Lynagh's avatar
Ian Lynagh committed
959
        AC_MSG_RESULT(given $PACKAGE_VERSION)
960 961 962 963 964 965 966 967 968
    elif test -d .git; then
        changequote(, )dnl
        ver_date=`git log -n 1 --date=short --pretty=format:%ci | sed "s/^.*\([0-9][0-9][0-9][0-9]\)-\([0-9][0-9]\)-\([0-9][0-9]\).*$/\1\2\3/"`
        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)
969
    elif test -d _darcs; then
970
        # TODO: Remove this branch after conversion to Git
971
        changequote(, )dnl
972
        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`
973
        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
974
        changequote([, ])dnl
975 976
                AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
        fi
977
        PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
Ian Lynagh's avatar
Ian Lynagh committed
978
        AC_MSG_RESULT(inferred $PACKAGE_VERSION)
979
    elif test -f VERSION; then
980
        PACKAGE_VERSION=`cat VERSION`
Ian Lynagh's avatar
Ian Lynagh committed
981
        AC_MSG_RESULT(given $PACKAGE_VERSION)
982
    else
983
        AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
984 985 986 987
    fi
fi

# Some renamings
sven.panne@aedion.de's avatar
sven.panne@aedion.de committed
988
AC_SUBST([ProjectName], [$PACKAGE_NAME])
989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011
AC_SUBST([ProjectVersion], [$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])
1012
])# FP_SETUP_PROJECT_VERSION
1013

1014 1015 1016 1017 1018

# 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).
#
1019 1020 1021 1022
AC_DEFUN([FP_CHECK_TIMER_CREATE],
  [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)], 
    [fptools_cv_timer_create_works],
    [AC_TRY_RUN([
1023 1024 1025 1026
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
1027 1028 1029 1030 1031 1032 1033 1034 1035
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
1036 1037 1038 1039 1040 1041 1042

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

1043 1044 1045 1046 1047 1048 1049
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);
}

1050 1051
int main(int argc, char *argv[])
{
1052

1053 1054
    struct sigevent ev;
    timer_t timer;
1055 1056 1057 1058
    struct itimerspec it;
    struct sigaction action;
    int m,n,count = 0;

1059 1060
    ev.sigev_notify = SIGEV_SIGNAL;
    ev.sigev_signo  = SIGVTALRM;
1061 1062 1063 1064 1065 1066 1067 1068 1069

    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);
    }

1070 1071 1072 1073 1074 1075 1076 1077 1078
    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
1079
    if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1080
        fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1081 1082
       exit(1);
    }
1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102

    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) {
1103
        fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114
        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;
1115
    it.it_value.tv_nsec = 1000000;
1116 1117 1118 1119 1120 1121 1122 1123
    it.it_interval = it.it_value;
    if (timer_settime(timer, 0, &it, NULL) != 0) {
        fprintf(stderr,"settime problem\n");
        exit(4);
    }

    tock = 0;

1124
    usleep(3000);
1125 1126 1127 1128 1129 1130 1131 1132

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

    timer_delete(timer);

1133 1134 1135 1136 1137 1138 1139 1140
    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
1141
                   [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1142 1143 1144
esac
])

1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166
# FP_ARG_GMP
# -------------
AC_DEFUN([FP_ARG_GMP],
[
AC_ARG_WITH([gmp-includes],
  [AC_HELP_STRING([--with-gmp-includes],
    [directory containing gmp.h])],
    [gmp_includes=$withval],
    [gmp_includes=NONE])

AC_ARG_WITH([gmp-libraries],
  [AC_HELP_STRING([--with-gmp-libraries],
    [directory containing gmp library])],
    [gmp_libraries=$withval],
    [gmp_libraries=NONE])
])# FP_ARG_GMP

AC_DEFUN([CHECK_GMP],
[AC_REQUIRE([AC_PROG_CPP])
AC_REQUIRE([AC_PROG_CC])
])

1167 1168 1169
# FP_CHECK_MACOSX_DEPLOYMENT_TARGET
# ---------------------------------
AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1170 1171 1172
[
if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
  AC_MSG_CHECKING([Mac OS X deployment target])
1173
  case $FP_MACOSX_DEPLOYMENT_TARGET in
1174
    none)  ;;
1175 1176
    10.4)  MACOSX_DEPLOYMENT_VERSION=10.4
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1177
	   ;;
1178 1179
    10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1180
	   ;;
1181 1182
    *)     MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1183 1184
	   ;;
  esac
1185
  if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1186 1187
    AC_MSG_RESULT(none)
  else
1188 1189
    if test ! -d $MACOSX_DEPLOYMENT_SDK; then
      AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1190
    fi
1191
    AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1192 1193 1194 1195
  fi
fi
])

Ian Lynagh's avatar
Ian Lynagh committed
1196 1197 1198 1199 1200 1201 1202
# --------------------------------------------------------------
# Calculate absolute path to build tree
# --------------------------------------------------------------

AC_DEFUN([FP_FIND_ROOT],[
AC_MSG_CHECKING(for path to top of build tree)

1203
dnl This would be
Ian Lynagh's avatar
Ian Lynagh committed
1204
dnl     make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1205
dnl except we don't want to have to know what make is called. Sigh.
Ian Lynagh's avatar
Ian Lynagh committed
1206 1207
if test ! -f utils/ghc-pwd/ghc-pwd && test ! -f utils/ghc-pwd/ghc-pwd.exe; then
  cd utils/ghc-pwd
1208 1209
  rm -f *.o
  rm -f *.hi
Ian Lynagh's avatar
Ian Lynagh committed
1210 1211
  rm -f ghc-pwd
  rm -f ghc-pwd.exe
1212
  "$WithGhc" -v0 --make ghc-pwd -o ghc-pwd
1213 1214
  cd ../..
fi
1215

Ian Lynagh's avatar
Ian Lynagh committed
1216
hardtop=`utils/ghc-pwd/ghc-pwd`
Ian Lynagh's avatar
Ian Lynagh committed
1217

1218 1219 1220 1221
if ! test -d "$hardtop"; then
  AC_MSG_ERROR([cannot determine current directory])
fi   

Ian Lynagh's avatar
Ian Lynagh committed
1222 1223
dnl Remove common automounter nonsense
dnl
1224
hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
Ian Lynagh's avatar
Ian Lynagh committed
1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238

AC_SUBST(hardtop)

AC_MSG_RESULT(${hardtop})

# 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
])

1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 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 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330
# 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"
    ;;
  i386)
    $2="i386"
    ;;
  ia64)
    $2="ia64"
    ;;
  m68k*)
    $2="m68k"
    ;;
  mipseb*)
    $2="mipseb"
    ;;
  mipsel*)
    $2="mipsel"
    ;;
  mips*)
    $2="mips"
    ;;
  powerpc64*)
    $2="powerpc64"
    ;;
  powerpc*)
    $2="powerpc"
    ;;
  rs6000)
    $2="rs6000"
    ;;
  s390*)
    $2="s390"
    ;;
  sparc64*)
    $2="sparc64"
    ;;
  sparc*)
    $2="sparc"
    ;;
  vax)
    $2="vax"
    ;;
  x86_64)
    $2="x86_64"
    ;;
  *)
    echo "Unknown CPU $1"
    exit 1
    ;;
  esac
])

# GHC_CONVERT_VENDOR(vendor, target_var)
# --------------------------------
# converts vendor from gnu to ghc naming, and assigns the result to $target_var
AC_DEFUN([GHC_CONVERT_VENDOR],[
$2="$1"
])

# GHC_CONVERT_OS(os, target_var)
# --------------------------------
# converts os from gnu to ghc naming, and assigns the result to $target_var
AC_DEFUN([GHC_CONVERT_OS],[
case "$1" in
  linux-*|linux)
    $2="linux"
    ;;
  # As far as I'm aware, none of these have relevant variants
  freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
    $2="$1"
    ;;
  *)
    echo "Unknown OS $1"
    exit 1
    ;;
  esac
])

1331 1332
# LIBRARY_VERSION(lib)
# --------------------------------
1333 1334
# Gets the version number of a library.
# If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1335
AC_DEFUN([LIBRARY_VERSION],[
1336 1337
LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)
1338 1339
])

reid's avatar
reid committed
1340
# LocalWords:  fi