forked from ghc/ghc
-
Notifications
You must be signed in to change notification settings - Fork 0
/
aclocal.m4
2017 lines (1825 loc) · 60 KB
/
aclocal.m4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
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
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
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
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# 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.
# FPTOOLS_SET_PLATFORM_VARS
# ----------------------------------
# Set the platform variables
AC_DEFUN([FPTOOLS_SET_PLATFORM_VARS],
[
# If no argument was given for a configuration variable, then discard
# the guessed canonical system and use the configuration of the
# bootstrapping ghc. If an argument was given, map it from gnu format
# to ghc format.
#
# For why we do it this way, see: #3637, #1717, #2951
#
# In bindists, we haven't called AC_CANONICAL_{BUILD,HOST,TARGET}
# so this justs uses $bootstrap_target.
if test "$build_alias" = ""
then
if test "$bootstrap_target" != ""
then
build=$bootstrap_target
echo "Build platform inferred as: $build"
else
echo "Can't work out build platform"
exit 1
fi
BuildArch=`echo "$build" | sed 's/-.*//'`
BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
BuildOS=`echo "$build" | sed 's/.*-//'`
else
GHC_CONVERT_CPU([$build_cpu], [BuildArch])
GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
GHC_CONVERT_OS([$build_os], [BuildOS])
fi
if test "$host_alias" = ""
then
if test "$bootstrap_target" != ""
then
host=$bootstrap_target
echo "Host platform inferred as: $host"
else
echo "Can't work out host platform"
exit 1
fi
HostArch=`echo "$host" | sed 's/-.*//'`
HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
HostOS=`echo "$host" | sed 's/.*-//'`
else
GHC_CONVERT_CPU([$host_cpu], [HostArch])
GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
GHC_CONVERT_OS([$host_os], [HostOS])
fi
if test "$target_alias" = ""
then
if test "$bootstrap_target" != ""
then
target=$bootstrap_target
echo "Target platform inferred as: $target"
else
echo "Can't work out target platform"
exit 1
fi
TargetArch=`echo "$target" | sed 's/-.*//'`
TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
TargetOS=`echo "$target" | sed 's/.*-//'`
else
GHC_CONVERT_CPU([$target_cpu], [TargetArch])
GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
GHC_CONVERT_OS([$target_os], [TargetOS])
fi
windows=NO
exeext=''
soext='.so'
case $host in
*-unknown-cygwin32)
AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
exit 1
;;
*-unknown-mingw32)
windows=YES
exeext='.exe'
soext='.dll'
;;
i386-apple-darwin|powerpc-apple-darwin)
soext='.dylib'
;;
x86_64-apple-darwin)
soext='.dylib'
;;
esac
BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostPlatform="$HostArch-$HostVendor-$HostOS"
HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
echo "GHC build : $BuildPlatform"
echo "GHC host : $HostPlatform"
echo "GHC target : $TargetPlatform"
AC_SUBST(BuildPlatform)
AC_SUBST(HostPlatform)
AC_SUBST(TargetPlatform)
AC_SUBST(HostPlatform_CPP)
AC_SUBST(BuildPlatform_CPP)
AC_SUBST(TargetPlatform_CPP)
AC_SUBST(HostArch_CPP)
AC_SUBST(BuildArch_CPP)
AC_SUBST(TargetArch_CPP)
AC_SUBST(HostOS_CPP)
AC_SUBST(BuildOS_CPP)
AC_SUBST(TargetOS_CPP)
AC_SUBST(HostVendor_CPP)
AC_SUBST(BuildVendor_CPP)
AC_SUBST(TargetVendor_CPP)
AC_SUBST(exeext)
AC_SUBST(soext)
])
# FPTOOLS_SET_HASKELL_PLATFORM_VARS
# ----------------------------------
# Set the Haskell platform variables
AC_DEFUN([FPTOOLS_SET_HASKELL_PLATFORM_VARS],
[
checkArch() {
case [$]1 in
i386)
test -z "[$]2" || eval "[$]2=ArchX86"
;;
x86_64)
test -z "[$]2" || eval "[$]2=ArchX86_64"
;;
powerpc)
test -z "[$]2" || eval "[$]2=ArchPPC"
;;
powerpc64)
test -z "[$]2" || eval "[$]2=ArchPPC_64"
;;
sparc)
test -z "[$]2" || eval "[$]2=ArchSPARC"
;;
arm)
GET_ARM_ISA()
test -z "[$]2" || eval "[$]2=\"ArchARM {armISA = \$ARM_ISA, armISAExt = \$ARM_ISA_EXT, armABI = \$ARM_ABI}\""
;;
alpha|mips|mipseb|mipsel|hppa|hppa1_1|ia64|m68k|rs6000|s390|s390x|sparc64|vax)
test -z "[$]2" || eval "[$]2=ArchUnknown"
;;
*)
echo "Unknown arch [$]1"
exit 1
;;
esac
}
checkVendor() {
case [$]1 in
dec|unknown|hp|apple|next|sun|sgi|ibm)
;;
*)
echo "Unknown vendor [$]1"
exit 1
;;
esac
}
checkOS() {
case [$]1 in
linux)
test -z "[$]2" || eval "[$]2=OSLinux"
;;
darwin)
test -z "[$]2" || eval "[$]2=OSDarwin"
;;
solaris2)
test -z "[$]2" || eval "[$]2=OSSolaris2"
;;
mingw32)
test -z "[$]2" || eval "[$]2=OSMinGW32"
;;
freebsd)
test -z "[$]2" || eval "[$]2=OSFreeBSD"
;;
dragonfly)
test -z "[$]2" || eval "[$]2=OSDragonFly"
;;
kfreebsdgnu)
test -z "[$]2" || eval "[$]2=OSKFreeBSD"
;;
openbsd)
test -z "[$]2" || eval "[$]2=OSOpenBSD"
;;
netbsd)
test -z "[$]2" || eval "[$]2=OSNetBSD"
;;
haiku)
test -z "[$]2" || eval "[$]2=OSHaiku"
;;
dragonfly|osf1|osf3|hpux|linuxaout|freebsd2|cygwin32|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix)
test -z "[$]2" || eval "[$]2=OSUnknown"
;;
*)
echo "Unknown OS '[$]1'"
exit 1
;;
esac
}
dnl ** check for Apple-style dead-stripping support
dnl (.subsections-via-symbols assembler directive)
AC_MSG_CHECKING(for .subsections_via_symbols)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
[AC_MSG_RESULT(yes)
HaskellHaveSubsectionsViaSymbols=True
AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
[Define to 1 if Apple-style dead-stripping is supported.])
],
[HaskellHaveSubsectionsViaSymbols=False
AC_MSG_RESULT(no)])
dnl ** check for .ident assembler directive
AC_MSG_CHECKING(whether your assembler supports .ident directive)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([__asm__ (".ident \"GHC x.y.z\"");])],
[AC_MSG_RESULT(yes)
HaskellHaveIdentDirective=True],
[AC_MSG_RESULT(no)
HaskellHaveIdentDirective=False])
dnl *** check for GNU non-executable stack note support (ELF only)
dnl (.section .note.GNU-stack,"",@progbits)
dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
dnl so we empty CFLAGS while running this test
CFLAGS2="$CFLAGS"
CFLAGS=
AC_MSG_CHECKING(for GNU non-executable stack support)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
[AC_MSG_RESULT(yes)
HaskellHaveGnuNonexecStack=True],
[AC_MSG_RESULT(no)
HaskellHaveGnuNonexecStack=False])
CFLAGS="$CFLAGS2"
checkArch "$BuildArch" ""
checkVendor "$BuildVendor"
checkOS "$BuildOS" ""
checkArch "$HostArch" ""
checkVendor "$HostVendor"
checkOS "$HostOS" ""
checkArch "$TargetArch" "HaskellTargetArch"
checkVendor "$TargetVendor"
checkOS "$TargetOS" "HaskellTargetOs"
AC_SUBST(HaskellTargetArch)
AC_SUBST(HaskellTargetOs)
AC_SUBST(HaskellHaveSubsectionsViaSymbols)
AC_SUBST(HaskellHaveIdentDirective)
AC_SUBST(HaskellHaveGnuNonexecStack)
])
# GET_ARM_ISA
# ----------------------------------
# Get info about the ISA on the ARM arch
AC_DEFUN([GET_ARM_ISA],
[
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[],
[#if defined(__ARM_ARCH_2__) || \
defined(__ARM_ARCH_3__) || \
defined(__ARM_ARCH_3M__) || \
defined(__ARM_ARCH_4__) || \
defined(__ARM_ARCH_4T__) || \
defined(__ARM_ARCH_5__) || \
defined(__ARM_ARCH_5T__) || \
defined(__ARM_ARCH_5E__) || \
defined(__ARM_ARCH_5TE__)
return 0;
#else
not pre arm v6
#endif]
)],
[AC_DEFINE(arm_HOST_ARCH_PRE_ARMv6, 1, [ARM pre v6])
AC_DEFINE(arm_HOST_ARCH_PRE_ARMv7, 1, [ARM pre v7])
changequote(, )dnl
ARM_ISA=ARMv5
ARM_ISA_EXT="[]"
changequote([, ])dnl
],
[
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[],
[#if defined(__ARM_ARCH_6__) || \
defined(__ARM_ARCH_6J__) || \
defined(__ARM_ARCH_6T2__) || \
defined(__ARM_ARCH_6Z__) || \
defined(__ARM_ARCH_6ZK__) || \
defined(__ARM_ARCH_6M__)
return 0;
#else
not pre arm v7
#endif]
)],
[AC_DEFINE(arm_HOST_ARCH_PRE_ARMv7, 1, [ARM pre v7])
changequote(, )dnl
ARM_ISA=ARMv6
ARM_ISA_EXT="[]"
changequote([, ])dnl
],
[changequote(, )dnl
ARM_ISA=ARMv7
ARM_ISA_EXT="[VFPv3,NEON]"
changequote([, ])dnl
])
])
])
# FP_SETTINGS
# ----------------------------------
# Set the variables used in the settings file
AC_DEFUN([FP_SETTINGS],
[
if test "$windows" = YES
then
mingw_bin_prefix=mingw/bin/
SettingsCCompilerCommand="\$topdir/../${mingw_bin_prefix}gcc.exe"
SettingsArCommand="\$topdir/../${mingw_bin_prefix}ar.exe"
SettingsPerlCommand='$topdir/../perl/perl.exe'
SettingsDllWrapCommand="\$topdir/../${mingw_bin_prefix}dllwrap.exe"
SettingsWindresCommand="\$topdir/../${mingw_bin_prefix}windres.exe"
SettingsTouchCommand='$topdir/touchy.exe'
else
SettingsCCompilerCommand="$WhatGccIsCalled"
SettingsArCommand="$ArCmd"
SettingsPerlCommand="$PerlCmd"
SettingsDllWrapCommand="/bin/false"
SettingsWindresCommand="/bin/false"
SettingsTouchCommand='touch'
if test -z "$LlcCmd"
then
SettingsLlcCommand="llc"
else
SettingsLlcCommand="$LlcCmd"
fi
if test -z "$OptCmd"
then
SettingsOptCommand="opt"
else
SettingsOptCommand="$OptCmd"
fi
fi
SettingsCCompilerFlags="$CONF_CC_OPTS_STAGE2 $CONF_GCC_LINKER_OPTS_STAGE2"
SettingsLdFlags="$CONF_LD_LINKER_OPTS_STAGE2"
AC_SUBST(SettingsCCompilerCommand)
AC_SUBST(SettingsCCompilerFlags)
AC_SUBST(SettingsLdFlags)
AC_SUBST(SettingsArCommand)
AC_SUBST(SettingsPerlCommand)
AC_SUBST(SettingsDllWrapCommand)
AC_SUBST(SettingsWindresCommand)
AC_SUBST(SettingsTouchCommand)
AC_SUBST(SettingsLlcCommand)
AC_SUBST(SettingsOptCommand)
])
# FPTOOLS_SET_C_LD_FLAGS
# ----------------------------------
# Set the C, LD and CPP flags for a given platform
# $1 is the platform
# $2 is the name of the CC flags variable
# $3 is the name of the linker flags variable when linking with gcc
# $4 is the name of the linker flags variable when linking with ld
# $5 is the name of the CPP flags variable
AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
[
AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
case $$1 in
i386-apple-darwin)
$2="$$2 -m32"
$3="$$3 -m32"
$4="$$4 -arch i386"
$5="$$5 -m32"
;;
x86_64-apple-darwin)
$2="$$2 -m64"
$3="$$3 -m64"
$4="$$4 -arch x86_64"
$5="$$5 -m64"
;;
alpha-*)
# For now, to suppress the gcc warning "call-clobbered
# register used for global register variable", we simply
# disable all warnings altogether using the -w flag. Oh well.
$2="$$2 -w -mieee -D_REENTRANT"
$3="$$3 -w -mieee -D_REENTRANT"
$5="$$5 -w -mieee -D_REENTRANT"
;;
hppa*)
# ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
# (very nice, but too bad the HP /usr/include files don't agree.)
$2="$$2 -D_HPUX_SOURCE"
$3="$$3 -D_HPUX_SOURCE"
$5="$$5 -D_HPUX_SOURCE"
;;
esac
# If gcc knows about the stack protector, turn it off.
# Otherwise the stack-smash handler gets triggered.
echo 'int main(void) {return 0;}' > conftest.c
if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
then
$2="$$2 -fno-stack-protector"
fi
# Reduce memory usage when linking. See trac #5240.
if test -n "$LdHashSize31"
then
$3="$$3 -Wl,$LdHashSize31"
$4="$$4 $LdHashSize31"
fi
if test -n "$LdReduceMemoryOverheads"
then
$3="$$3 -Wl,$LdReduceMemoryOverheads"
$4="$$4 $LdReduceMemoryOverheads"
fi
rm -f conftest.c conftest.o
AC_MSG_RESULT([done])
])
AC_DEFUN([FP_PATH_PROG],[
AC_PATH_PROG($1,$2,$3,$4,$5,$6)
# If we have a cygwin path for something, and we try to run it
# from cabal or python, then it'll fail. So we convert to a
# native path.
if test "$HostOS" = "mingw32" && \
test "${OSTYPE}" != "msys" && \
test "${$1}" != ""
then
# Canonicalise to <drive>:/path/to/gcc
$1=`cygpath -m "${$1}"`
fi
])
# 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
])
# 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
])
# FP_EVAL_STDERR(COMMAND)
# -----------------------
# 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
# FP_ARG_WITH_PATH_GNU_PROG
# --------------------
# XXX
#
# $1 = the variable to set
# $2 = the with option name
# $3 = the command to look for
#
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 "$HostOS" != "mingw32"
then
if test "$target_alias" = "" ; then
AC_PATH_PROG([$1], [$3])
else
AC_PATH_PROG([$1], [$target_alias-$3])
fi
if test -z "$$1"
then
AC_MSG_ERROR([cannot find $3 in your PATH])
fi
fi
]
)
]) # FP_ARG_WITH_PATH_GNU_PROG
# FP_ARG_WITH_PATH_GNU_PROG_OPTIONAL
# --------------------
# XXX
#
# $1 = the variable to set
# $2 = the command to look for
#
AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG_OPTIONAL],
[
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])
fi
]
)
]) # FP_ARG_WITH_PATH_GNU_PROG_OPTIONAL
# FP_PROG_CONTEXT_DIFF
# --------------------
# Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
#
# Note: NeXTStep thinks diff'ing a file against itself is "trouble".
#
# Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
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
for fp_var in '-U 1' '-u1' '-C 1' '-c1'
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
# FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
# --------------------------------------------------------
# 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.
#
# 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.
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(m4_translit([[$1]], [*], [p]), [],
[AC_FATAL([$0: requires literal arguments])])[]dnl
AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
AC_CACHE_CHECK([alignment of $1], [fp_Cache],
[if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
FP_COMPUTE_INT([offsetof(struct { char c; $1 ty; },ty)],
[fp_Cache],
[AC_INCLUDES_DEFAULT([$3])],
[AC_MSG_ERROR([cannot compute alignment ($1)
See `config.log' for more details.], [77])])
else
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
])# FP_CHECK_ALIGNMENT
# 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"
case $HostPlatform in
*openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
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;;
i386-unknown-mingw32) fptools_cv_leading_underscore=yes;;
x86_64-unknown-mingw32) fptools_cv_leading_underscore=no;;
# HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
*) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
#include <nlist.h>
struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
#endif
int main(argc, argv)
int argc;
char **argv;
{
#ifdef HAVE_NLIST_H
if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
exit(1);
if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
exit(0);
#endif
exit(1);
}]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
;;
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
# 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], [$5])[]dnl
])# FP_COMPARE_VERSIONS
dnl
dnl Check for GreenCard and version.
dnl
AC_DEFUN([FPTOOLS_GREENCARD],
[
AC_PATH_PROG(GreenCardCmd,greencard)
AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
changequote(, )dnl
[if test x"$GreenCardCmd" != x; then
fptools_cv_greencard_version="`$GreenCardCmd --version |
grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
else
fptools_cv_greencard_version=""
fi
changequote([, ])dnl
])
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
GreenCardVersion=$fptools_cv_greencard_version
AC_SUBST(GreenCardVersion)
])
dnl
dnl Check for Happy and version. If we're building GHC, then we need
dnl at least Happy version 1.14. If there's no installed Happy, we look
dnl for a happy source tree and point the build system at that instead.
dnl
AC_DEFUN([FPTOOLS_HAPPY],
[FP_PATH_PROG(HappyCmd,happy,)
AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
changequote(, )dnl
[if test x"$HappyCmd" != x; then
fptools_cv_happy_version=`"$HappyCmd" -v |
grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
else
fptools_cv_happy_version="";
fi;
changequote([, ])dnl
])
if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
then
FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
[AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
fi
HappyVersion=$fptools_cv_happy_version;
AC_SUBST(HappyVersion)
])
dnl
dnl Check for Alex and version. If we're building GHC, then we need
dnl at least Alex version 2.0.1.
dnl
AC_DEFUN([FPTOOLS_ALEX],
[
FP_PATH_PROG(AlexCmd,alex,)
AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
changequote(, )dnl
[if test x"$AlexCmd" != x; then
fptools_cv_alex_version=`"$AlexCmd" -v |
grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
else
fptools_cv_alex_version="";
fi;
changequote([, ])dnl
])
if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
then
FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
[AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-ge],[3.0],
[Alex3=YES],[Alex3=NO])
fi
AlexVersion=$fptools_cv_alex_version;
AC_SUBST(AlexVersion)
AC_SUBST(Alex3)
])
# FP_PROG_LD_FLAG
# ---------------
# Sets the output variable $2 to $1 if ld supports the $1 flag.
# Otherwise the variable's value is empty.
AC_DEFUN([FP_PROG_LD_FLAG],
[
AC_CACHE_CHECK([whether ld understands $1], [fp_cv_$2],
[echo 'foo() {}' > conftest.c
${CC-cc} -c conftest.c
if ${LdCmd} -r $1 -o conftest2.o conftest.o > /dev/null 2>&1; then
fp_cv_$2=$1
else
fp_cv_$2=
fi
rm -rf conftest*])
$2=$fp_cv_$2
])# FP_PROG_LD_FLAG
# FP_PROG_LD_HashSize31
# ------------
# Sets the output variable LdHashSize31 to --hash-size=31 if ld supports
# this flag. Otherwise the variable's value is empty.
AC_DEFUN([FP_PROG_LD_HashSize31],
[
FP_PROG_LD_FLAG([--hash-size=31],[LdHashSize31])
])# FP_PROG_LD_HashSize31
# FP_PROG_LD_ReduceMemoryOverheads
# ------------
# Sets the output variable LdReduceMemoryOverheads to
# --reduce-memory-overheads if ld supports this flag.
# Otherwise the variable's value is empty.
AC_DEFUN([FP_PROG_LD_ReduceMemoryOverheads],
[
FP_PROG_LD_FLAG([--reduce-memory-overheads],[LdReduceMemoryOverheads])
])# FP_PROG_LD_ReduceMemoryOverheads
# FP_PROG_LD_BUILD_ID
# ------------
# Sets the output variable LdHasBuildId to YES if ld supports
# --build-id, or NO otherwise.
AC_DEFUN([FP_PROG_LD_BUILD_ID],
[
AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
[echo 'foo() {}' > conftest.c
${CC-cc} -c conftest.c
if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
fp_cv_ld_build_id=yes
else
fp_cv_ld_build_id=no
fi
rm -rf conftest*])
if test "$fp_cv_ld_build_id" = yes; then
LdHasBuildId=YES
else
LdHasBuildId=NO
fi
AC_SUBST([LdHasBuildId])
])# FP_PROG_LD_BUILD_ID
# 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],
[
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
# FP_PROG_LD_NO_COMPACT_UNWIND
# ----------------------------
# Sets the output variable LdHasNoCompactUnwind to YES if ld supports
# -no_compact_unwind, or NO otherwise.
AC_DEFUN([FP_PROG_LD_NO_COMPACT_UNWIND],
[
AC_CACHE_CHECK([whether ld understands -no_compact_unwind], [fp_cv_ld_no_compact_unwind],
[echo 'foo() {}' > conftest.c
${CC-cc} -c conftest.c
if ${LdCmd} -r -no_compact_unwind -o conftest2.o conftest.o > /dev/null 2>&1; then
fp_cv_ld_no_compact_unwind=yes
else
fp_cv_ld_no_compact_unwind=no
fi
rm -rf conftest*])
if test "$fp_cv_ld_no_compact_unwind" = yes; then
LdHasNoCompactUnwind=YES
else
LdHasNoCompactUnwind=NO
fi
AC_SUBST([LdHasNoCompactUnwind])
])# FP_PROG_LD_NO_COMPACT_UNWIND
# FP_PROG_AR
# ----------
# Sets fp_prog_ar to a (non-Cygwin) path to ar. Exits if no ar can be found
AC_DEFUN([FP_PROG_AR],
[FP_PATH_PROG([fp_prog_ar], [ar])
if test -z "$fp_prog_ar"; then
AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
fi
])# 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 $fp_prog_ar is GNU ar], [fp_cv_prog_ar_is_gnu],
[if "$fp_prog_ar" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
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
AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
])# FP_PROG_AR_IS_GNU
# 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 $fp_prog_ar supports @file], [fp_cv_prog_ar_supports_atfile],
[
rm -f conftest*
touch conftest.file
echo conftest.file > conftest.atfile
echo conftest.file >> conftest.atfile
"$fp_prog_ar" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar" 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