aclocal.m4 44.7 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
# FPTOOLS_SET_C_LD_FLAGS
# ----------------------------------
9
10
11
12
13
# Set the C, LD and CPP flags for a given platform
# $1 is the platform
# $2 is the name of the C flags variable
# $3 is the name of the LD flags variable
# $4 is the name of the CPP flags variable
14
15
AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
[
16
    AC_MSG_CHECKING([Setting up $2, $3 and $4])
17
    case $$1 in
18
    i386-apple-darwin)
19
20
21
22
23
        # By default, gcc on OS X will generate SSE
        # instructions, which need things 16-byte aligned,
        # but we don't 16-byte align things. Thus drop
        # back to generic i686 compatibility. Trac #2983.
        $2="$$2 -march=i686 -m32"
24
25
26
        # It's not clear if $3 flags will be given to gcc or ld,
        # and they accept different flags, so for now do nothing
        # $3="$$3 -march=i686 -m32"
27
        $4="$$4 -march=i686 -m32"
28
29
30
        ;;
    x86_64-apple-darwin)
        $2="$$2 -m64"
31
32
33
        # It's not clear if $3 flags will be given to gcc or ld,
        # and they accept different flags, so for now do nothing
        # $3="$$3 -m64"
34
        $4="$$4 -m64"
35
36
        ;;
    esac
37

38
39
40
41
    case $$1 in
    i386-apple-darwin|x86_64-apple-darwin)
        # We support back to OS X 10.5
        $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
42
43
44
        # It's not clear if $3 flags will be given to gcc or ld,
        # and they accept different flags, so for now do nothing
        # $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
45
        $4="$$4 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
46
47
48
        ;;
    esac

49
50
51
52
53
54
55
    # 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
56
    rm -f conftest.c conftest.o
Ian Lynagh's avatar
Ian Lynagh committed
57
    AC_MSG_RESULT([done])
58
59
60
])


61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
# 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
])


79
80
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
# 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
])


106
# FP_EVAL_STDERR(COMMAND)
107
# -----------------------
108
109
110
111
112
113
114
115
116
117
118
# 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


119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
# 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


153
154
155
# FP_PROG_CONTEXT_DIFF
# --------------------
# Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
156
157
158
159
#
# Note: NeXTStep thinks diff'ing a file against itself is "trouble".
#
# Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
160
161
162
163
164
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
165
for fp_var in '-U 1' '-u1' '-C 1' '-c1'
166
167
168
169
170
171
172
173
174
175
176
177
178
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


179
# FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
180
# --------------------------------------------------------
181
182
183
# 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.
184
185
186
187
#
# 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.
188
189
190
191
192
193
194
195
196
197
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],
198
[AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
199
               [AC_FATAL([$0: requires literal arguments])])[]dnl
200
201
202
AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
AC_CACHE_CHECK([alignment of $1], [fp_Cache],
203
204
[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
  FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
205
                 [fp_Cache],
206
                 [AC_INCLUDES_DEFAULT([$3])],
207
208
                 [AC_MSG_ERROR([cannot compute alignment ($1)
See `config.log' for more details.], [77])])
209
else
210
211
212
213
  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
214
215
216
])# FP_CHECK_ALIGNMENT


217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
# 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"
236
case $HostPlatform in
dons's avatar
dons committed
237
*openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
238
239
240
241
242
243
244
  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;;
245
246
247
248

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

249
*) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
sof's avatar
sof committed
250
#include <nlist.h>
251
252
struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
sof's avatar
sof committed
253
254
#endif

255
256
257
int main(argc, argv)
int argc;
char **argv;
sof's avatar
sof committed
258
259
{
#ifdef HAVE_NLIST_H
260
261
262
    if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
        exit(1);
    if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
263
        exit(0);
sof's avatar
sof committed
264
265
#endif
    exit(1);
266
}]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
267
;;
268
269
270
271
272
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
273

274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301

# 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
302
303


reid's avatar
reid committed
304
dnl
305
dnl Check for GreenCard and version.
reid's avatar
reid committed
306
dnl
307
AC_DEFUN([FPTOOLS_GREENCARD],
reid's avatar
reid committed
308
[
309
AC_PATH_PROG(GreenCardCmd,greencard)
reid's avatar
reid committed
310
AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
reid's avatar
reid committed
311
changequote(, )dnl
312
313
[if test x"$GreenCardCmd" != x; then
   fptools_cv_greencard_version="`$GreenCardCmd --version |
reid's avatar
reid committed
314
			  grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
reid's avatar
reid committed
315
316
317
318
319
else
   fptools_cv_greencard_version=""
fi
changequote([, ])dnl
])
320
321
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
322
323
GreenCardVersion=$fptools_cv_greencard_version
AC_SUBST(GreenCardVersion)
reid's avatar
reid committed
324
325
])

sof's avatar
sof committed
326
dnl
327
dnl Check for Happy and version.  If we're building GHC, then we need
328
dnl at least Happy version 1.14.  If there's no installed Happy, we look
329
330
dnl for a happy source tree and point the build system at that instead.
dnl
331
AC_DEFUN([FPTOOLS_HAPPY],
332
[AC_PATH_PROG(HappyCmd,happy,)
333
334
335
336
337
338
# Happy is passed to Cabal, so we need a native path
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HappyCmd}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
339
    HappyCmd=`cygpath -m "${HappyCmd}"`
340
341
342
    AC_MSG_NOTICE([normalized happy command to $HappyCmd])
fi

sof's avatar
sof committed
343
AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
sof's avatar
sof committed
344
changequote(, )dnl
345
[if test x"$HappyCmd" != x; then
346
347
   fptools_cv_happy_version=`"$HappyCmd" -v |
			  grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
sof's avatar
sof committed
348
else
sof's avatar
sof committed
349
   fptools_cv_happy_version="";
sof's avatar
sof committed
350
fi;
351
changequote([, ])dnl
352
])
353
if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
354
then
355
356
    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
      [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
357
fi
358
HappyVersion=$fptools_cv_happy_version;
sof's avatar
sof committed
359
360
361
AC_SUBST(HappyVersion)
])

362
363
dnl
dnl Check for Alex and version.  If we're building GHC, then we need
Ian Lynagh's avatar
Ian Lynagh committed
364
dnl at least Alex version 2.0.1.
365
dnl
366
AC_DEFUN([FPTOOLS_ALEX],
367
[
368
AC_PATH_PROG(AlexCmd,alex,)
369
370
371
372
373
374
# Alex is passed to Cabal, so we need a native path
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${AlexCmd}"     != ""
then
    # Canonicalise to <drive>:/path/to/gcc
375
    AlexCmd=`cygpath -m "${AlexCmd}"`
376
377
fi

378
379
AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
changequote(, )dnl
380
[if test x"$AlexCmd" != x; then
381
382
   fptools_cv_alex_version=`"$AlexCmd" -v |
			  grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
383
384
385
386
387
else
   fptools_cv_alex_version="";
fi;
changequote([, ])dnl
])
388
389
if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
then
Simon Marlow's avatar
Simon Marlow committed
390
    FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
391
      [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
392
fi
393
394
395
396
AlexVersion=$fptools_cv_alex_version;
AC_SUBST(AlexVersion)
])

sof's avatar
sof committed
397

398
399
400
401
402
# 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],
403
[
404
405
AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
[echo 'foo() {}' > conftest.c
406
${CC-cc} -c conftest.c
407
if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
408
   fp_cv_ld_x=yes
409
else
410
   fp_cv_ld_x=no
411
fi
412
413
414
rm -rf conftest*])
if test "$fp_cv_ld_x" = yes; then
  LdXFlag=-x
415
else
416
  LdXFlag=
417
fi
418
419
420
421
422
423
424
425
426
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],
427
[
428
429
430
431
432
433
434
435
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
436

sof's avatar
sof committed
437

438
439
440
441
442
443
444
445
# 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 "$fp_prog_ar_raw"; then
  AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
sof's avatar
sof committed
446
fi
Ian Lynagh's avatar
Ian Lynagh committed
447
fp_prog_ar="$fp_prog_ar_raw"
sof's avatar
sof committed
448
case $HostPlatform in
449
  *mingw32) if test x${OSTYPE} != xmsys; then
Ian Lynagh's avatar
Ian Lynagh committed
450
 	      fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
451
452
453
              AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
            fi
            ;;
sof's avatar
sof committed
454
esac
455
456
457
458
459
460
461
462
463
])# 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 $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
Ian Lynagh's avatar
Ian Lynagh committed
464
[if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
465
466
467
468
469
  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
470
AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
471
472
473
])# FP_PROG_AR_IS_GNU


474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
# 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

500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
# 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 $fp_prog_ar_is_gnu = yes; then
  fp_cv_prog_ar_args="q"
else
  touch conftest.dummy
  for fp_var in clqsZ clqs cqs clq cq ; do
     rm -f conftest.a
517
     if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
518
519
520
521
522
523
524
525
526
527
        fp_cv_prog_ar_args=$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
528
529
AC_SUBST([ArCmd], ["$fp_prog_ar"])
AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
530
531
532
533
534
535
536
537
538
539
540

])# 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])
541
AC_REQUIRE([AC_PROG_CC])
542
543
544
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
545
elif echo $TargetPlatform | grep "^.*-apple-darwin$"  > /dev/null 2> /dev/null; then
546
547
548
  # 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
549
550
551
552
553
554
555
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
556
else
557
558
  RANLIB=":"
  AC_SUBST([RANLIB])
ken's avatar
ken committed
559
fi
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
])# 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 $fp_prog_ar_is_gnu = no; then
  rm -f conftest*
  touch conftest.lst
Ian Lynagh's avatar
Ian Lynagh committed
575
  if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
576
    test -s conftest.err || fp_cv_prog_ar_supports_input=yes
577
578
579
580
581
  fi
  rm -f conftest*
fi])
if test $fp_cv_prog_ar_supports_input = yes; then
    ArSupportsInput="-input"
sof's avatar
sof committed
582
else
583
    ArSupportsInput=""
sof's avatar
sof committed
584
fi
585
586
587
AC_SUBST([ArSupportsInput])
])# FP_PROG_AR_SUPPORTS_INPUT

sof's avatar
sof committed
588

sof's avatar
sof committed
589
dnl
sof's avatar
sof committed
590
dnl AC_SHEBANG_PERL - can we she-bang perl?
sof's avatar
sof committed
591
dnl
592
AC_DEFUN([FPTOOLS_SHEBANG_PERL],
sof's avatar
sof committed
593
[AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
sof's avatar
sof committed
594
595
596
597
598
599
[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
600
   fptools_cv_shebang_perl=yes
sof's avatar
sof committed
601
else
sof's avatar
sof committed
602
   fptools_cv_shebang_perl=no
sof's avatar
sof committed
603
604
605
606
fi
rm -f conftest
])])

607
608
609
610
611
612
613

# 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])
614
615
if test -z "$GCC"; then
   fp_have_gcc=NO
sof's avatar
sof committed
616
else
617
618
619
620
621
   fp_have_gcc=YES
fi
if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
  AC_MSG_ERROR([gcc is required])
fi
622
GccLT34=
623
AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
624
[if test "$fp_have_gcc" = "YES"; then
625
626
   fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
   FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
Simon Marlow's avatar
Simon Marlow committed
627
628
629
630
     [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
   # See #2770: gcc 2.95 doesn't work any more, apparently.  There probably
   # isn't a very good reason for that, but for now just make configure
   # fail.
631
   FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
632
 else
633
   fp_cv_gcc_version="not-installed"
634
635
636
 fi
])
AC_SUBST([HaveGcc], [$fp_have_gcc])
637
AC_SUBST([GccVersion], [$fp_cv_gcc_version])
638
AC_SUBST(GccLT34)
639
])# FP_HAVE_GCC
640

sof's avatar
sof committed
641
dnl Small feature test for perl version. Assumes PerlCmd
642
643
644
645
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
646
dnl
647
AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
sof's avatar
sof committed
648
[$PerlCmd -v >conftest.out 2>&1
649
   if grep "v5" conftest.out >/dev/null 2>&1; then
dons's avatar
dons committed
650
651
      :
   else
652
      AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
dons's avatar
dons committed
653
   fi
sof's avatar
sof committed
654
655
rm -fr conftest*
])
reid's avatar
reid committed
656

657
658
659
660
661
662
663
664
665
666
667
668
669
670
671

# 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
672
[AC_PATH_PROGS([fp_prog_find], [gfind find], find)
673
674
675
676
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
677
678
679
680
681
682
683
684
685
  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 $fp_prog_find])
      fi ;;
    *) ;;
  esac
686
  FindCmd="$fp_prog_find"
sof's avatar
sof committed
687
else
688
689
690
  # 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
691
fi
692
693
694
695
rm -f conftest.txt conftest.out
AC_SUBST([FindCmd])[]dnl
])# FP_PROG_FIND

sof's avatar
sof committed
696

sof's avatar
sof committed
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
# 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

716
717
718
719
720
721
722
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
723
AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
724
725
726
727
728
[AC_MSG_CHECKING([$1])
 $3
 AC_MSG_RESULT([$][$2])
])

729
730
731
dnl
dnl FPTOOLS_GHC_VERSION(version)
dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
732
dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
733
734
dnl
dnl Test for version of installed ghc.  Uses $GHC.
735
dnl [original version pinched from c2hs]
736
dnl
737
AC_DEFUN([FPTOOLS_GHC_VERSION],
738
[FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
739
["${WithGhc-ghc}" --version > conftestghc 2>&1
740
  cat conftestghc >&AS_MESSAGE_LOG_FD
741
742
#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'`
743
  rm -fr conftest*
744
  if test "[$]fptools_version_of_ghc" = ""
745
  then
746
747
748
749
750
751
752
    fptools_version_of_ghc='unknown'
  fi
fptools_version_of_ghc[_major]=`echo [$]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 "[$]fptools_version_of_ghc[_pl]" = ""
753
then
754
755
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
  fptools_version_of_ghc[_pl]="0"
756
else
757
  fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
758
fi
759
#
760
ifelse($#, [1], [dnl
761
[$1]="[$]fptools_version_of_ghc[_all]"
762
], $#, [2], [dnl
763
764
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
765
], $#, [3], [dnl
766
767
768
[$1]="[$]fptools_version_of_ghc[_major]"
[$2]="[$]fptools_version_of_ghc[_minor]"
[$3]="[$]fptools_version_of_ghc[_pl]"
769
], $#, [4], [dnl
770
771
772
773
774
775
[$1]="[$]fptools_version_of_ghc[_all]"
[$2]="[$]fptools_version_of_ghc[_major]"
[$3]="[$]fptools_version_of_ghc[_minor]"
[$4]="[$]fptools_version_of_ghc[_pl]"
])
])
776
])dnl
777
778


779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
# 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


797
798
# FP_GEN_DOCBOOK_XML
# ------------------
799
# Generates a DocBook XML V4.5 document in conftest.xml.
800
801
802
803
804
805
806
#
# 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
#
807
AC_DEFUN([FP_GEN_DOCBOOK_XML],
808
[rm -f conftest.xml conftest-book.xml
809
810
cat > conftest.xml << EOF
<?xml version="1.0" encoding="iso-8859-1"?>
811
812
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
813
814
<!ENTITY conftest-book SYSTEM "conftest-book.xml">
]]>
815
<book id="test">
816
817
818
819
820
821
&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>
822
823
824
825
826
827
828
829
830
831
832
833
  <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


834
835
836
837
838
839
840
841
842
843
844
845
846
# 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


847
848
849
850
851
852
853
# 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
854
  AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
855
856
857
858
fi
])# FP_PROG_XSLTPROC


859
# FP_DOCBOOK_XSL
860
# ----------------------------
861
# Check that we can process a DocBook XML document to HTML using xsltproc.
862
AC_DEFUN([FP_DOCBOOK_XSL],
863
864
[AC_REQUIRE([FP_PROG_XSLTPROC])dnl
if test -n "$XsltprocCmd"; then
865
  AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
866
867
  [FP_GEN_DOCBOOK_XML
  fp_cv_dir_docbook_xsl=no
868
869
870
  if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
     fp_cv_dir_docbook_xsl=yes
  fi
871
872
873
874
  rm -rf conftest*])
fi
if test x"$fp_cv_dir_docbook_xsl" = xno; then
  AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
875
  HAVE_DOCBOOK_XSL=NO
876
else
877
  HAVE_DOCBOOK_XSL=YES
878
fi
879
880
AC_SUBST([HAVE_DOCBOOK_XSL])
])# FP_DOCBOOK_XSL
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901


# 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
902
  if $XmllintCmd --nonet --valid --noout conftest.xml ; then
903
904
905
    AC_MSG_RESULT([ok])
  else
    AC_MSG_RESULT([failed])
906
    AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
907
908
909
910
911
912
913
    AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
  fi
  rm -rf conftest*
fi
])# FP_CHECK_DOCBOOK_DTD


914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
# 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
945
[AC_PATH_PROGS([FopCmd1], [fop fop.sh])
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
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
967
968
969
970
971
972
973
974
975
976
977
978
# 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


979
980
981
# 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
982
# WithGhc. Sets the output variable GhcPkgCmd.
983
984
AC_DEFUN([FP_PROG_GHC_PKG],
[AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
Ian Lynagh's avatar
Ian Lynagh committed
985
986
987
988
989
990
991
992
[
# If we are told to use ghc-stage2, then we're using an in-tree
# compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
# so we sed off -stage[0-9]$. 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
993
  fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
994
else
Ian Lynagh's avatar
Ian Lynagh committed
995
  AC_MSG_ERROR([Cannot find matching ghc-pkg])
996
fi])
Ian Lynagh's avatar
Ian Lynagh committed
997
998
999
GhcPkgCmd=$fp_cv_matching_ghc_pkg
AC_SUBST([GhcPkgCmd])
])# FP_PROG_GHC_PKG
1000

1001

1002
1003
1004
1005
1006
# FP_GCC_EXTRA_FLAGS
# ------------------
# Determine which extra flags we need to pass gcc when we invoke it
# to compile .hc code.
#
1007
# Some OSs (Mandrake Linux, in particular) configure GCC with
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
# -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],
1020
[AC_REQUIRE([FP_HAVE_GCC])
1021
1022
AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
[fp_cv_gcc_extra_opts=
1023
 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1024
1025
1026
1027
  [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
  [])
 case $TargetPlatform in
  i386-*|x86_64-*) 
1028
     FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
1029
1030
      [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
      [])
1031
1032
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
     [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1033
1034
1035
1036
1037
       [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
       [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
     )],
     [])
  ;;
1038
  sparc-*-solaris2) 
1039
    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
1040
1041
1042
      [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
      [])
  ;;
1043
1044
1045
1046
 esac
])
AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
])
1047

1048

1049
1050
1051
# FP_SETUP_PROJECT_VERSION
# ---------------------
AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1052
1053
1054
[
if test "$RELEASE" = "NO"; then
    AC_MSG_CHECKING([for GHC version date])
1055
1056
    if test -f VERSION_DATE; then
        PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
Ian Lynagh's avatar
Ian Lynagh committed
1057
        AC_MSG_RESULT(given $PACKAGE_VERSION)
1058
1059
1060
1061
1062
1063
1064
1065
1066
    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)
1067
    elif test -d _darcs; then
1068
        # TODO: Remove this branch after conversion to Git
1069
        changequote(, )dnl
1070
        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`
1071
        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
1072
        changequote([, ])dnl
1073
1074
                AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
        fi
1075
        PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
Ian Lynagh's avatar
Ian Lynagh committed
1076
        AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1077
    elif test -f VERSION; then
1078
        PACKAGE_VERSION=`cat VERSION`
Ian Lynagh's avatar
Ian Lynagh committed
1079
        AC_MSG_RESULT(given $PACKAGE_VERSION)
1080
    else
1081
        AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1082
1083
1084
1085
    fi
fi

# Some renamings
sven.panne@aedion.de's avatar
sven.panne@aedion.de committed
1086
AC_SUBST([ProjectName], [$PACKAGE_NAME])
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
AC_SUBST([ProjectVersion], [$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])
1110
])# FP_SETUP_PROJECT_VERSION
1111

1112
1113
1114
1115
1116

# 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).
#
1117
1118
1119
1120
AC_DEFUN([FP_CHECK_TIMER_CREATE],
  [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)], 
    [fptools_cv_timer_create_works],
    [AC_TRY_RUN([
1121
1122
1123
1124
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
1125
1126
1127
1128
1129
1130
1131
1132
1133
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
1134
1135
1136
1137
1138
1139
1140

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

1141
1142
1143
1144
1145
1146
1147
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);
}

1148
1149
int main(int argc, char *argv[])
{
1150

1151
1152
    struct sigevent ev;
    timer_t timer;
1153
1154
1155
1156
    struct itimerspec it;
    struct sigaction action;
    int m,n,count = 0;

1157
1158
    ev.sigev_notify = SIGEV_SIGNAL;
    ev.sigev_signo  = SIGVTALRM;
1159
1160
1161
1162
1163
1164
1165
1166
1167

    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);
    }

1168
1169
1170
1171
1172
1173
1174
1175
1176
    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
1177
    if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1178
        fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1179
1180
       exit(1);
    }
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200

    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) {
1201
        fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
        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;
1213
    it.it_value.tv_nsec = 1000000;
1214
1215
1216
1217
1218
1219
1220
1221
    it.it_interval = it.it_value;
    if (timer_settime(timer, 0, &it, NULL) != 0) {
        fprintf(stderr,"settime problem\n");
        exit(4);
    }

    tock = 0;

1222
    usleep(3000);
1223
1224
1225
1226
1227
1228
1229
1230

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

    timer_delete(timer);

1231
1232
1233
1234
1235
1236
1237
1238
    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
1239
                   [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1240
1241
1242
esac
])

Ian Lynagh's avatar
Ian Lynagh committed
1243
# FP_ICONV
1244
# -------------
Ian Lynagh's avatar
Ian Lynagh committed
1245
AC_DEFUN([FP_ICONV],
1246
[
Ian Lynagh's avatar
Ian Lynagh committed
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
  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
1290

1291
1292
1293
# FP_CHECK_MACOSX_DEPLOYMENT_TARGET
# ---------------------------------
AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1294
1295
1296
[
if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
  AC_MSG_CHECKING([Mac OS X deployment target])
1297
  case $FP_MACOSX_DEPLOYMENT_TARGET in
1298
    none)  ;;
1299
1300
    10.4)  MACOSX_DEPLOYMENT_VERSION=10.4
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1301
	   ;;
1302
1303
    10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1304
	   ;;
1305
1306
    *)     MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
    	   MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1307
1308
	   ;;
  esac
1309
  if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1310
1311
    AC_MSG_RESULT(none)
  else
1312
1313
    if test ! -d $MACOSX_DEPLOYMENT_SDK; then
      AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1314
    fi
1315
    AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1316
1317
1318
1319
  fi
fi
])

Ian Lynagh's avatar
Ian Lynagh committed
1320
1321
1322
1323
# --------------------------------------------------------------
# Calculate absolute path to build tree
# --------------------------------------------------------------

1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
AC_DEFUN([FP_INTREE_GHC_PWD],[
AC_MSG_NOTICE(Building in-tree ghc-pwd)
    dnl This would be
    dnl     make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
    dnl except we don't want to have to know what make is called. Sigh.
    rm -rf utils/ghc-pwd/dist-boot
    mkdir  utils/ghc-pwd/dist-boot
    if ! "$WithGhc" -v0 -no-user-package-conf -hidir utils/ghc-pwd/dist-boot -odir utils/ghc-pwd/dist-boot -stubdir utils/ghc-pwd/dist-boot --make utils/ghc-pwd/Main.hs -o utils/ghc-pwd/dist-boot/ghc-pwd
    then
        AC_MSG_ERROR([Building ghc-pwd failed])
    fi
Ian Lynagh's avatar
Ian Lynagh committed
1335

1336
1337
    GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
])
1338

1339
1340
1341
AC_DEFUN([FP_BINDIST_GHC_PWD],[
    GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
])
Ian Lynagh's avatar
Ian Lynagh committed
1342

1343
1344
1345
AC_DEFUN([FP_FIND_ROOT],[
AC_MSG_CHECKING(for path to top of build tree)
    hardtop=`$GHC_PWD`
1346

1347
1348
    dnl Remove common automounter nonsense
    hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
Ian Lynagh's avatar
Ian Lynagh committed
1349

1350
1351
1352
    if ! test -d "$hardtop"; then
        AC_MSG_ERROR([cannot determine current directory])
    fi
Ian Lynagh's avatar
Ian Lynagh committed
1353

1354
1355
1356
1357
1358
1359
1360
1361
1362
    dnl We don't support building in directories with spaces.
    case "$hardtop" in
    *' '*)
        AC_MSG_ERROR([
        The build system does not support building in a directory
        containing space characters.
        Suggestion: move the build tree somewhere else.])
        ;;
    esac
Ian Lynagh's avatar
Ian Lynagh committed
1363

1364
1365
1366
    AC_SUBST(hardtop)

    AC_MSG_RESULT($hardtop)
Ian Lynagh's avatar
Ian Lynagh committed
1367
1368
])

1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
# 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
])

1461
1462
# LIBRARY_VERSION(lib)
# --------------------------------
1463
1464
# Gets the version number of a library.
# If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1465
AC_DEFUN([LIBRARY_VERSION],[
1466
1467
LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)
1468
1469
])

reid's avatar
reid committed
1470
# LocalWords:  fi