mirrored from https://gitlab.haskell.org/ghc/ghc.git
-
Notifications
You must be signed in to change notification settings - Fork 704
/
configure.ac
1292 lines (1103 loc) · 40.6 KB
/
configure.ac
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
dnl == autoconf source for the Glasgow FP tools ==
dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
dnl (or some such) to see the outline of this file)
dnl
#
# (c) The University of Glasgow 1994-2012
#
# Configure script template for GHC
#
# Process with 'autoreconf' to get a working configure script.
#
# For the generated configure script, do "./configure --help" to
# see what flags are available. (Better yet, read the documentation!)
#
AC_INIT([The Glorious Glasgow Haskell Compilation System], [8.3], [glasgow-haskell-bugs@haskell.org], [ghc-AC_PACKAGE_VERSION])
# Set this to YES for a released version, otherwise NO
: ${RELEASE=NO}
# The primary version (e.g. 7.5, 7.4.1) is set in the AC_INIT line
# above. If this is not a released version, then we will append the
# date to the version number (e.g. 7.4.20111220). The date is
# constructed by finding the date of the most recent patch in the
# git repository. If this is a source distribution (not a git
# checkout), then we ship a file 'VERSION' containing the full version
# when the source distribution was created.
if test ! -f mk/config.h.in; then
echo "mk/config.h.in doesn't exist: perhaps you haven't run 'perl boot'?"
exit 1
fi
AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
dnl this makes sure `./configure --target=<cross-compile-target>`
dnl works as expected, since we're slightly modifying how Autoconf
dnl interprets build/host/target and how this interacts with $CC tests
test -n "$target_alias" && ac_tool_prefix=$target_alias-
dnl ----------------------------------------------------------
dnl ** Find unixy sort and find commands,
dnl ** which are needed by FP_SETUP_PROJECT_VERSION
dnl ** Find find command (for Win32's benefit)
FP_PROG_FIND
FP_PROG_SORT
dnl ----------------------------------------------------------
FP_SETUP_PROJECT_VERSION
# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
# First off, a distrib sanity check..
AC_CONFIG_SRCDIR([mk/config.mk.in])
dnl * We require autoconf version 2.60
dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
dnl Using autoconf 2.59 started to give nonsense like this
dnl #define SIZEOF_CHAR 0
dnl recently.
AC_PREREQ([2.60])
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
#
AC_CONFIG_HEADER(mk/config.h)
# No, semi-sadly, we don't do `--srcdir'...
if test x"$srcdir" != 'x.' ; then
echo "This configuration does not support the \`--srcdir' option.."
exit 1
fi
dnl --------------------------------------------------------------
dnl * Project specific configuration options
dnl --------------------------------------------------------------
dnl What follows is a bunch of options that can either be configured
dnl through command line options to the configure script or by
dnl supplying defns in the build tree's mk/build.mk. Having the option to
dnl use either is considered a Feature.
dnl ** What command to use to compile compiler sources ?
dnl --------------------------------------------------------------
AC_ARG_WITH([ghc],
[AC_HELP_STRING([--with-ghc=ARG],
[Use ARG as the path to GHC [default=autodetect]])],
[WithGhc="$withval"],
[if test "$GHC" = ""; then
AC_PATH_PROG([GHC], [ghc])
fi
WithGhc="$GHC"])
dnl ** Tell the make system which OS we are using
dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something
AC_SUBST(OSTYPE)
AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
[AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
[Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
EnableBootstrapWithDevelSnaphost=YES,
EnableBootstrapWithDevelSnaphost=NO
)
AC_ARG_ENABLE(tarballs-autodownload,
[AC_HELP_STRING([--enable-tarballs-autodownload],
[Automatically download Windows distribution binaries if needed.])],
TarballsAutodownload=YES,
TarballsAutodownload=NO
)
dnl CC_STAGE0 is like the "previous" variable CC (inherited by CC_STAGE[123])
dnl but instead used by stage0 for bootstrapping stage1
AC_ARG_VAR(CC_STAGE0, [C compiler command (bootstrap)])
if test "$WithGhc" != ""; then
FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
if test "$GhcMajVersion" = "unknown" || test "$GhcMinVersion" = "unknown"; then
AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
fi
AC_SUBST(GhcVersion)dnl
AC_SUBST(GhcMajVersion)dnl
AC_SUBST(GhcMinVersion)dnl
AC_SUBST(GhcPatchLevel)dnl
GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
dnl infer CC_STAGE0 from `ghc --info` unless explicitly set by user
if test -z "$CC_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command])
fi
BOOTSTRAPPING_GHC_INFO_FIELD([LD_STAGE0],[ld command])
BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command])
BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags])
BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file])
fi
dnl ** Must have GHC to build GHC
if test "$WithGhc" = ""
then
AC_MSG_ERROR([GHC is required.])
fi
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.10],
[AC_MSG_ERROR([GHC version 7.10 or later is required to compile GHC.])])
if test `expr $GhcMinVersion % 2` = "1"
then
if test "$EnableBootstrapWithDevelSnaphost" = "NO"
then
AC_MSG_ERROR([
$WithGhc is a development snapshot of GHC, version $GhcVersion.
Bootstrapping using this version of GHC is not supported, and may not
work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
or --with-ghc to specify a different GHC to use.])
fi
fi
GHC_PACKAGE_DB_FLAG=package-db
AC_SUBST(GHC_PACKAGE_DB_FLAG)
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.11],
SUPPORTS_THIS_UNIT_ID=NO,
SUPPORTS_THIS_UNIT_ID=YES)
AC_SUBST(SUPPORTS_THIS_UNIT_ID)
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'`
if test "$ghc_host_os" = "mingw32"
then
if test "${OSTYPE}" = "msys"
then
WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
else
# Canonicalise to <drive>:/path/to/ghc
WithGhc=`cygpath -m "${WithGhc}"`
fi
echo "GHC path canonicalised to: ${WithGhc}"
fi
fi
AC_SUBST([WithGhc])
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
dnl If we aren't explicitly told what values to use with configure flags,
dnl we ask the bootstrapping compiler what platform it is for
if test "${WithGhc}" != ""
then
bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
if test "$bootstrap_host" != "$bootstrap_target"
then
echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
fi
fi
# We have to run these unconditionally, but we may discard their
# results in the following code
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
FPTOOLS_SET_PLATFORM_VARS
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
if test "$BuildPlatform" != "$bootstrap_target"
then
echo "This GHC (${WithGhc}) does not generate code for the build platform"
echo " GHC target platform : $bootstrap_target"
echo " Desired build platform : $BuildPlatform"
exit 1
fi
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
SOLARIS_BROKEN_SHLD=NO
case $host in
i386-*-solaris2)
# here we go with the test
MINOR=`uname -r|cut -d '.' -f 2-`
if test "$MINOR" -lt "11"; then
SOLARIS_BROKEN_SHLD=YES
fi
;;
esac
AC_SUBST(SOLARIS_BROKEN_SHLD)
dnl ** Do an unregisterised build?
dnl --------------------------------------------------------------
case "$TargetArch" in
i386|x86_64|powerpc|powerpc64|powerpc64le|arm|aarch64)
UnregisterisedDefault=NO
;;
*)
UnregisterisedDefault=YES
;;
esac
AC_ARG_ENABLE(unregisterised,
[AC_HELP_STRING([--enable-unregisterised],
[Build an unregisterised compiler (enabled by default on platforms without registerised support) [default="$UnregisterisedDefault"]])],
[ if test x"$enableval" = x"yes"; then
Unregisterised=YES
else
Unregisterised=NO
fi
],
[Unregisterised="$UnregisterisedDefault"]
)
AC_SUBST(Unregisterised)
dnl ** Does target have runtime linker support?
dnl --------------------------------------------------------------
case "$target" in
powerpc64-*|powerpc64le-*|powerpc-ibm-aix*)
HaskellHaveRTSLinker=NO
;;
*)
HaskellHaveRTSLinker=YES
;;
esac
AC_SUBST(HaskellHaveRTSLinker)
# Requires FPTOOLS_SET_PLATFORM_VARS to be run first.
FP_FIND_ROOT
fail() {
echo >&2
echo "$1" >&2
exit 1
}
if test "$HostOS" = "mingw32"
then
# Find the mingw-w64 7z file to extract.
# NB. If you update the tarballs to a new version of gcc, don't
# forget to tweak the paths in driver/gcc/gcc.c.
if test "$HostArch" = "i386"
then
mingw_arch="i686"
tarball_dest_dir="mingw-w64/x86"
tarball_mingw_dir="mingw32"
else
mingw_arch="x86_64"
tarball_dest_dir="mingw-w64/x86_64"
tarball_mingw_dir="mingw64"
fi
fi
set_up_tarballs() {
AC_MSG_NOTICE([Checking for Windows toolchain tarballs...])
local action
if test "$TarballsAutodownload" = "NO"
then
action="verify"
else
action="download"
fi
mk/get-win32-tarballs.sh $action $HostArch > missing-win32-tarballs
case $? in
0)
rm missing-win32-tarballs
;;
2)
echo
echo "Error:"
echo "Needed msys2 tarballs are missing. You have a few options to get them,"
echo
echo " * run configure with the --enable-tarballs-autodownload option"
echo
echo " * run mk/get-win32-tarballs.sh download ${HostArch}"
echo
echo " * manually download the files listed in ./missing-win32-tarballs and place"
echo " them in the ghc-tarballs directory."
echo
exit 1
;;
*)
echo
echo "Error fetching msys2 tarballs; see errors above."
exit 1
;;
esac
# Extract all the tarballs in one go
if ! test -d inplace/mingw
then
AC_MSG_NOTICE([Extracting Windows toolchain from archives (may take a while)...])
rm -rf inplace/mingw
local base_dir="../ghc-tarballs/${tarball_dest_dir}"
( cd inplace &&
find "${base_dir}" -name "*.tar.xz" -exec tar xfJ {} \; &&
rm ".MTREE" &&
rm ".PKGINFO" &&
cd .. ) || fail "Error: Could not extract Windows toolchains."
mv "inplace/${tarball_mingw_dir}" inplace/mingw &&
touch inplace/mingw
# NB. Now since the GCC is hardcoded to use /mingw32 we need to
# make a wrapper around it to give it the proper paths
mv inplace/mingw/bin/gcc.exe inplace/mingw/bin/realgcc.exe
PATH=`pwd`/inplace/mingw/bin:$PATH
inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
AC_MSG_NOTICE([In-tree MingW-w64 tree created])
fi
}
if test "$HostOS" = "mingw32"
then
test -d inplace || mkdir inplace
# NB. Download and extract the MingW-w64 distribution if required
set_up_tarballs
mingwbin="$hardtop/inplace/mingw/bin/"
CC="${mingwbin}gcc.exe"
LD="${mingwbin}ld.exe"
NM="${mingwbin}nm.exe"
RANLIB="${mingwbin}ranlib.exe"
OBJDUMP="${mingwbin}objdump.exe"
fp_prog_ar="${mingwbin}ar.exe"
# NB. Download the perl binaries if required
if ! test -d inplace/perl ||
test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
then
AC_MSG_NOTICE([Making in-tree perl tree])
rm -rf inplace/perl
mkdir inplace/perl
(
cd inplace/perl &&
tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
)
AC_MSG_NOTICE([In-tree perl tree created])
fi
fi
FP_ICONV
FP_GMP
FP_CURSES
XCODE_VERSION()
dnl ** Building a cross compiler?
dnl --------------------------------------------------------------
CrossCompiling=NO
# If 'host' and 'target' differ, then this means we are building a cross-compiler.
if test "$TargetPlatform" != "$HostPlatform" ; then
CrossCompiling=YES
cross_compiling=yes # This tells configure that it can accept just 'target',
# otherwise you get
# configure: error: cannot run C compiled programs.
# If you meant to cross compile, use `--host'.
fi
if test "$BuildPlatform" != "$HostPlatform" ; then
AC_MSG_ERROR([
You've selected:
BUILD: $BuildPlatform (the architecture we're building on)
HOST: $HostPlatform (the architecture the compiler we're building will execute on)
TARGET: $TargetPlatform (the architecture the compiler we're building will produce code for)
BUILD must equal HOST; that is, we do not support building GHC itself
with a cross-compiler. To cross-compile GHC itself, set TARGET: stage
1 will be a cross-compiler, and stage 2 will be the cross-compiled
GHC.
])
fi
# Despite its similarity in name to TargetPlatform, TargetPlatformFull is used
# in calls to subproject configure scripts and thus must be set to the autoconf
# triple, not the normalized GHC triple that TargetPlatform is set to.
#
# We use the non-canonicalized triple, target_alias, here since the subproject
# configure scripts will use this triple to construct the names of the toolchain
# executables. If we instead passed down the triple produced by
# AC_CANONICAL_TARGET then it may look for the target toolchain under the wrong
# name (this is a known problem in the case of the Android NDK, which has
# slightly odd triples).
#
# It may be better to just do away with the GHC triples altogether. This would
# all be taken care of for us if we configured the subprojects using
# AC_CONFIG_DIR, but unfortunately Cabal needs to be the one to do the
# configuration.
#
# We also use non-canonicalized triple when install stage1 crosscompiler
if test -z "${target_alias}"
then
# --target wasn't given; use result from AC_CANONICAL_TARGET
TargetPlatformFull="${target}"
else
TargetPlatformFull="${target_alias}"
fi
if test "$CrossCompiling" = "YES"
then
# Use value passed by user from --target=
CrossCompilePrefix="${TargetPlatformFull}-"
else
CrossCompilePrefix=""
fi
AC_SUBST(CrossCompiling)
AC_SUBST(CrossCompilePrefix)
AC_SUBST(TargetPlatformFull)
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
AC_ARG_WITH([gcc],
AS_HELP_STRING([--with-gcc=ARG], [Use ARG as the path to gcc (obsolete, use CC=ARG instead) [default=autodetect]]),
AC_MSG_ERROR([--with-gcc=$withval is obsolete (use './configure CC=$withval' or 'CC=$withval ./configure' instead)]))
AC_ARG_WITH([clang],
AS_HELP_STRING([--with-clang=ARG], [Use ARG as the path to gcc (obsolete, use CC=ARG instead) [default=autodetect]]),
AC_MSG_ERROR([--with-clang=$withval is obsolete (use './configure CC=$withval' or 'CC=$withval ./configure' instead)]))
dnl detect compiler (prefer gcc over clang) and set $CC (unless CC already set),
dnl later CC is copied to CC_STAGE{1,2,3}
AC_PROG_CC([gcc clang])
MAYBE_OVERRIDE_STAGE0([ar],[AR_STAGE0])
dnl make extensions visible to allow feature-tests to detect them lateron
AC_USE_SYSTEM_EXTENSIONS
dnl ** figure out how to invoke the C preprocessor (i.e. `gcc -E`)
AC_PROG_CPP
# --with-hs-cpp/--with-hs-cpp-flags
FP_CPP_CMD_WITH_ARGS(HaskellCPPCmd, HaskellCPPArgs)
AC_SUBST([HaskellCPPCmd])
AC_SUBST([HaskellCPPArgs])
FP_SET_CFLAGS_C99([CC],[CFLAGS],[CPPFLAGS])
FP_SET_CFLAGS_C99([CC_STAGE0],[CONF_CC_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
dnl ** Which ld to use?
dnl --------------------------------------------------------------
FIND_LD([$target],[LdCmd])
AC_SUBST([LdCmd])
dnl ** Which nm to use?
dnl --------------------------------------------------------------
if test "$HostOS" != "mingw32"; then
AC_CHECK_TARGET_TOOL([NM], [nm])
if test "$NM" = ":"; then
AC_MSG_ERROR([cannot find nm in your PATH])
fi
fi
NmCmd="$NM"
AC_SUBST([NmCmd])
if test "$TargetOS_CPP" = "darwin"
then
AC_MSG_CHECKING(whether nm program is broken)
# Some versions of XCode ship a broken version of `nm`. Detect and work
# around this issue. See : https://ghc.haskell.org/trac/ghc/ticket/11744
nmver=$(${NM} --version | grep version | sed 's/ //g')
case "$nmver" in
LLVMversion7.3.0|LLVMversion7.3.1)
AC_MSG_RESULT(yes)
echo "The detected nm program is broken."
echo
echo "See: https://ghc.haskell.org/trac/ghc/ticket/11744"
echo
echo "Try re-running configure with:"
echo
echo ' NM=$(xcrun --find nm-classic) ./configure'
echo
exit 1
;;
*)
AC_MSG_RESULT(no)
;;
esac
fi
dnl ** Which objdump to use?
dnl --------------------------------------------------------------
dnl Note: we may not have objdump on OS X, and we only need it on Windows (for DLL checks)
case $HostOS_CPP in
cygwin32|mingw32)
AC_CHECK_TARGET_TOOL([OBJDUMP], [objdump])
;;
esac
ObjdumpCmd="$OBJDUMP"
AC_SUBST([ObjdumpCmd])
dnl ** Which ar to use?
dnl --------------------------------------------------------------
if test "$HostOS" != "mingw32"; then
AC_CHECK_TARGET_TOOL([AR], [ar])
if test "$AR" = ":"; then
AC_MSG_ERROR([cannot find ar in your PATH])
fi
fi
ArCmd="$AR"
fp_prog_ar="$AR"
AC_SUBST([ArCmd])
dnl ** Which ranlib to use?
dnl --------------------------------------------------------------
AC_PROG_RANLIB
if test "$RANLIB" = ":"; then
AC_MSG_ERROR([cannot find ranlib in your PATH])
fi
RanlibCmd="$RANLIB"
RANLIB="$RanlibCmd"
# Here is where we re-target which specific version of the LLVM
# tools we are looking for. In the past, GHC supported a number of
# versions of LLVM simultaneously, but that stopped working around
# 3.5/3.6 release of LLVM.
LlvmVersion=4.0
AC_SUBST([LlvmVersion])
sUPPORTED_LLVM_VERSION=$(echo \($LlvmVersion\) | sed 's/\./,/')
AC_DEFINE_UNQUOTED([sUPPORTED_LLVM_VERSION], ${sUPPORTED_LLVM_VERSION}, [The supported LLVM version number])
dnl ** Which LLVM llc to use?
dnl --------------------------------------------------------------
FIND_LLVM_PROG([LLC], [llc], [$LlvmVersion])
LlcCmd="$LLC"
AC_SUBST([LlcCmd])
dnl ** Which LLVM opt to use?
dnl --------------------------------------------------------------
FIND_LLVM_PROG([OPT], [opt], [$LlvmVersion])
OptCmd="$OPT"
AC_SUBST([OptCmd])
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------
dnl --------------------------------------------------------------
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------
if test "$TargetOS" = "mingw32"
then
GhcLibsWithUnix=NO
else
GhcLibsWithUnix=YES
fi
AC_SUBST([GhcLibsWithUnix])
dnl ** does #! work?
AC_SYS_INTERPRETER()
# Check for split-objs
SplitObjsBroken=NO
dnl ** look for `perl'
case $HostOS_CPP in
cygwin32|mingw32)
PerlCmd=$hardtop/inplace/perl/perl
;;
*)
AC_PATH_PROG([PerlCmd],[perl])
if test -z "$PerlCmd"
then
AC_MSG_WARN([No Perl on PATH, disabling split object support])
SplitObjsBroken=YES
else
FPTOOLS_CHECK_PERL_VERSION
fi
;;
esac
AC_SUBST([SplitObjsBroken])
dnl ** look for GCC and find out which version
dnl Figure out which C compiler to use. Gcc is preferred.
dnl If gcc, make sure it's at least 3.0
dnl
FP_GCC_VERSION
dnl ** See whether gcc supports -no-pie
FP_GCC_SUPPORTS_NO_PIE
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND
FP_PROG_LD_IS_GNU
FP_PROG_LD_BUILD_ID
FP_PROG_LD_NO_COMPACT_UNWIND
FP_PROG_LD_FILELIST
FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
# Stage 3 won't be supported by cross-compilation
FP_GCC_EXTRA_FLAGS
# See rules/distdir-way-opts.mk for details.
# Flags passed to the C compiler
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
# Flags passed to the C compiler when we ask it to link
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
# Flags passed to the linker when we ask it to link
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
# Flags passed to the C preprocessor
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
# Flags passed to the Haskell compiler
AC_SUBST(CONF_HC_OPTS_STAGE0)
AC_SUBST(CONF_HC_OPTS_STAGE1)
AC_SUBST(CONF_HC_OPTS_STAGE2)
dnl ** Set up the variables for the platform in the settings file.
dnl May need to use gcc to find platform details.
dnl --------------------------------------------------------------
FPTOOLS_SET_HASKELL_PLATFORM_VARS
dnl ** figure out how to do context diffs
FP_PROG_CONTEXT_DIFF
dnl Let's make sure install-sh is executable here. If we got it from
dnl a darcs repo, it might not be (see bug #978).
chmod +x install-sh
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
dnl ** how to invoke `ar' and `ranlib'
FP_PROG_AR_SUPPORTS_ATFILE
FP_PROG_AR_NEEDS_RANLIB
dnl ** Check to see whether ln -s works
AC_PROG_LN_S
FP_SETTINGS
dnl ** Find the path to sed
AC_PATH_PROGS(SedCmd,gsed sed,sed)
dnl ** check for time command
AC_PATH_PROG(TimeCmd,time)
dnl ** check for tar
dnl if GNU tar is named gtar, look for it first.
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
dnl ** check for compressors
AC_PATH_PROGS(Bzip2Cmd,bzip2, bzip2)
AC_PATH_PROGS(GzipCmd,gzip, gzip)
AC_PATH_PROGS(XzCmd,pxz xz, xz)
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
HaveDtrace=YES
fi
fi
AC_SUBST(HaveDtrace)
AC_PATH_PROG(HSCOLOUR,HsColour)
# HsColour is passed to Cabal, so we need a native path
if test "$HostOS" = "mingw32" && \
test "${OSTYPE}" != "msys" && \
test "${HSCOLOUR}" != ""
then
# Canonicalise to <drive>:/path/to/gcc
HSCOLOUR=`cygpath -m ${HSCOLOUR}`
fi
dnl ** check for Sphinx toolchain
AC_PATH_PROG(SPHINXBUILD,sphinx-build)
AC_CACHE_CHECK([for version of sphinx-build], fp_cv_sphinx_version,
changequote(, )dnl
[if test -n "$SPHINXBUILD"; then
fp_cv_sphinx_version=`"$SPHINXBUILD" --version 2>&1 | sed 's/Sphinx\( (sphinx-build)\)\? v\?\([0-9]\.[0-9]\.[0-9]\)/\2/' | head -n1`;
fi;
changequote([, ])dnl
])
FP_COMPARE_VERSIONS([$fp_cv_sphinx_version],-lt,1.0.0,
[AC_MSG_WARN([Sphinx version 1.0.0 or later is required to build documentation]); SPHINXBUILD=;])
dnl ** check for xelatex
AC_PATH_PROG(XELATEX,xelatex)
dnl ** check for ghc-pkg command
FP_PROG_GHC_PKG
dnl ** check for installed happy binary + version
FPTOOLS_HAPPY
dnl ** check for installed alex binary + version
FPTOOLS_ALEX
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
dnl --------------------------------------------------
dnl * Platform header file and syscall feature tests
dnl ### checking the state of the local header files and syscalls ###
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
dnl ** Enable large file support. NB. do this before testing the type of
dnl off_t, because it will affect the result of that test.
AC_SYS_LARGEFILE
dnl ** check for specific header (.h) files that we are interested in
AC_CHECK_HEADERS([ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/param.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timerfd.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
dnl sys/cpuset.h needs sys/param.h to be included first on FreeBSD 9.1; #7708
AC_CHECK_HEADERS([sys/cpuset.h], [], [],
[[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]])
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
dnl ** do we have long longs?
AC_CHECK_TYPES([long long])
dnl ** what are the sizes of various types
FP_CHECK_SIZEOF_AND_ALIGNMENT(char)
FP_CHECK_SIZEOF_AND_ALIGNMENT(double)
FP_CHECK_SIZEOF_AND_ALIGNMENT(float)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int)
FP_CHECK_SIZEOF_AND_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_SIZEOF_AND_ALIGNMENT(long long)
fi
FP_CHECK_SIZEOF_AND_ALIGNMENT(short)
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned char)
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned int)
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned long long)
fi
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned short)
FP_CHECK_SIZEOF_AND_ALIGNMENT(void *)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int8_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint8_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int16_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint16_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int32_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint32_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int64_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint64_t)
dnl for use in settings.in
WordSize=$ac_cv_sizeof_void_p
AC_SUBST(WordSize)
FP_CHECK_FUNC([WinExec],
[@%:@include <windows.h>], [WinExec("",0)])
FP_CHECK_FUNC([GetModuleFileName],
[@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
dnl ** check for more functions
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
dnl ** _POSIX_C_SOURCE is defined
AC_CHECK_DECLS([ctime_r], , ,
[#define _POSIX_SOURCE 1
#define _POSIX_C_SOURCE 199506L
#include <time.h>])
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)
if test $HaveLibMingwEx = YES ; then
AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
fi
dnl ** check for math library
dnl Keep that check as early as possible.
dnl as we need to know whether we need libm
dnl for math functions or not
dnl (see http://ghc.haskell.org/trac/ghc/ticket/3730)
AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
if test $HaveLibM = YES
then
AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
fi
FP_BFD_SUPPORT
dnl ################################################################
dnl Check for libraries
dnl ################################################################
# system libffi
AC_ARG_WITH([system-libffi],
[AC_HELP_STRING([--with-system-libffi],
[Use system provided libffi for RTS [default=no]])
])
AS_IF([test "x$with_system_libffi" = "xyes"],
[UseSystemLibFFI="YES"], [UseSystemLibFFI="NO"]
)
AC_SUBST(UseSystemLibFFI)
AC_ARG_WITH([ffi-includes],
[AC_HELP_STRING([--with-ffi-includes=ARG],
[Find includes for libffi in ARG [default=system default]])
],
[
if test "x$UseSystemLibFFI" != "xYES"; then
AC_MSG_WARN([--with-ffi-includes will be ignored, --with-system-libffi not set])
else
FFIIncludeDir="$withval"
LIBFFI_CFLAGS="-I$withval"
fi
])
AC_SUBST(FFIIncludeDir)
AC_ARG_WITH([ffi-libraries],
[AC_HELP_STRING([--with-ffi-libraries=ARG],
[Find libffi in ARG [default=system default]])
],
[
if test "x$UseSystemLibFFI" != "xYES"; then
AC_MSG_WARN([--with-ffi-libraries will be ignored, --with-system-libffi not set])
else
FFILibDir="$withval" LIBFFI_LDFLAGS="-L$withval"
fi
])
AC_SUBST(FFILibDir)
AS_IF([test "$UseSystemLibFFI" = "YES"], [
CFLAGS2="$CFLAGS"
CFLAGS="$LIBFFI_CFLAGS $CFLAGS"
LDFLAGS2="$LDFLAGS"
LDFLAGS="$LIBFFI_LDFLAGS $LDFLAGS"
if test "$HostOS" = "openbsd";
then
# OpenBSD's libffi is not directly linked to the libpthread but
# still requires pthread functionality. This means that any client
# binary which links with libffi also needs to link with
# libpthread. If it does not, then linking fails with unresolved
# symbols.
LDFLAGS="$LDFLAGS -lpthread"
fi
AC_CHECK_LIB(ffi, ffi_call,
[AC_CHECK_HEADERS([ffi.h], [break], [])
AC_DEFINE([HAVE_LIBFFI], [1], [Define to 1 if you have libffi.])],
[AC_MSG_ERROR([Cannot find system libffi])])
CFLAGS="$CFLAGS2"
LDFLAGS="$LDFLAGS2"
])
dnl ** check whether we need -ldl to get dlopen()
AC_CHECK_LIB(dl, dlopen)
dnl --------------------------------------------------
dnl * Miscellaneous feature tests
dnl --------------------------------------------------
dnl ** can we get alloca?
AC_FUNC_ALLOCA
dnl ** working vfork?
AC_FUNC_FORK
dnl ** determine whether or not const works
AC_C_CONST
dnl ** are we big endian?
AC_C_BIGENDIAN
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
dnl ** check for leading underscores in symbol names
FP_LEADING_UNDERSCORE
FP_VISIBILITY_HIDDEN
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
AC_CHECK_FUNCS(clock_gettime timer_settime)
FP_CHECK_TIMER_CREATE
dnl ** check for Apple's "interesting" long double compatibility scheme
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
[
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
[Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
],
[
AC_MSG_RESULT(no)
AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
[Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
])
dnl Some platforms (e.g. Android's Bionic) have pthreads support available
dnl without linking against libpthread. Check whether -lpthread is necessary
dnl to use pthreads.
dnl
dnl Note that it is important that this happens before we AC_CHECK_LIB(thread)
AC_MSG_CHECKING(whether -lpthread is needed for pthreads)
AC_CHECK_FUNC(pthread_create,
[
AC_MSG_RESULT(no)
need_lpthread=0
],
[
AC_CHECK_LIB(pthread, pthread_create,
[
AC_MSG_RESULT(yes)
need_lpthread=1
],