forked from ghc/ghc
-
Notifications
You must be signed in to change notification settings - Fork 0
/
configure.ac
1117 lines (938 loc) · 37.7 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], [9.13], [[email protected]], [ghc-AC_PACKAGE_VERSION])
# Version on master must be X.Y (not X.Y.Z) for ProjectVersionMunged variable
# to be useful (cf #19058). However, the version must have three components
# (X.Y.Z) on stable branches (e.g. ghc-9.2) to ensure that pre-releases are
# versioned correctly.
AC_CONFIG_MACRO_DIRS([m4])
# 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 rts/ghcautoconf.h.autoconf.in; then
echo "rts/ghcautoconf.h.autoconf.in doesn't exist: perhaps you haven't run 'python3 boot'?"
exit 1
fi
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=$target_alias-
dnl ----------------------------------------------------------
dnl ** Store USER specified environment variables to pass them on to
dnl ** ghc-toolchain (in m4/ghc-toolchain.m4)
USER_CFLAGS="$CFLAGS"
USER_LDFLAGS="$LDFLAGS"
USER_LIBS="$LIBS"
USER_CXXFLAGS="$CXXFLAGS"
dnl The lower-level/not user-facing environment variables that may still be set
dnl by developers such as in ghc-wasm-meta
USER_CONF_CC_OPTS_STAGE2="$CONF_CC_OPTS_STAGE2"
USER_CONF_CXX_OPTS_STAGE2="$CONF_CXX_OPTS_STAGE2"
USER_CONF_GCC_LINKER_OPTS_STAGE2="$CONF_GCC_LINKER_OPTS_STAGE2"
USER_LD="$LD"
dnl ----------------------------------------------------------
dnl ** Find unixy sort and find commands,
dnl ** which are needed by FP_SETUP_PROJECT_VERSION
dnl ** Find find command (for Win32's benefit)
FP_PROG_FIND
FP_PROG_SORT
dnl ----------------------------------------------------------
FP_SETUP_PROJECT_VERSION
# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
dnl * We require autoconf version 2.69 due to
dnl https://bugs.ruby-lang.org/issues/8179. Also see #14910.
dnl * We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
dnl * We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
dnl * Using autoconf 2.59 started to give nonsense like this
dnl #define SIZEOF_CHAR 0
dnl recently.
AC_PREREQ([2.69])
# No, semi-sadly, we don't do `--srcdir'...
if test x"$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_VAR(GHC,[Use as the full path to GHC. [default=autodetect]])
AC_PATH_PROG([GHC], [ghc])
AC_ARG_WITH([ghc],
AS_HELP_STRING([--with-ghc=PATH], [Use PATH as the full path to ghc (obsolete, use GHC=PATH instead) [default=autodetect]]),
AC_MSG_ERROR([--with-ghc=$withval is obsolete (use './configure GHC=$withval' or 'GHC=$withval ./configure' instead)]))
AC_SUBST(WithGhc,$GHC)
AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
[AS_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
[Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
[FP_CAPITALIZE_YES_NO(["$enableval"], [EnableBootstrapWithDevelSnaphost])],
[EnableBootstrapWithDevelSnaphost=NO]
)
AC_ARG_ENABLE(ignore-build-platform-mismatch,
[AS_HELP_STRING([--ignore-build-platform-mismatch],
[Ignore when the target platform reported by the bootstrap compiler doesn''t match the configured build platform. This flag is used to correct mistakes when the target platform is incorrectly reported by the bootstrap (#25200). ])],
[FP_CAPITALIZE_YES_NO(["$enableval"], [IgnoreBuildPlatformMismatch])],
[IgnoreBuildPlatformMismatch=NO]
)
AC_ARG_ENABLE(tarballs-autodownload,
[AS_HELP_STRING([--enable-tarballs-autodownload],
[Automatically download Windows distribution binaries if needed.])],
[FP_CAPITALIZE_YES_NO(["$enableval"], [TarballsAutodownload])],
[TarballsAutodownload=NO]
)
AC_ARG_ENABLE(distro-toolchain,
[AS_HELP_STRING([--enable-distro-toolchain],
[Do not use bundled Windows toolchain binaries.])],
[FP_CAPITALIZE_YES_NO(["$enableval"], [EnableDistroToolchain])],
[EnableDistroToolchain=NO]
)
if test "$EnableDistroToolchain" = "YES"; then
TarballsAutodownload=NO
fi
AC_ARG_ENABLE(ghc-toolchain,
[AS_HELP_STRING([--enable-ghc-toolchain],
[Whether to use the newer ghc-toolchain tool to configure ghc targets])],
[FP_CAPITALIZE_YES_NO(["$enableval"], [EnableGhcToolchain])],
[EnableGhcToolchain=NO]
)
AC_SUBST([EnableGhcToolchain])
AC_ARG_ENABLE(strict-ghc-toolchain-check,
[AS_HELP_STRING([--enable-strict-ghc-toolchain-check],
[Whether to raise an error if the output of ghc-toolchain differs from configure])],
[FP_CAPITALIZE_YES_NO(["$enableval"], [EnableStrictGhcToolchainCheck])],
[EnableStrictGhcToolchainCheck=NO]
)
AC_SUBST([EnableStrictGhcToolchainCheck])
dnl CC_STAGE0, LD_STAGE0, AR_STAGE0 are like the "previous" variable
dnl CC, LD, AR (inherited by CC_STAGE[123], etc.)
dnl but instead used by stage0 for bootstrapping stage1
AC_ARG_VAR(CC_STAGE0, [C compiler command (bootstrap)])
AC_ARG_VAR(LD_STAGE0, [Linker command (bootstrap)])
AC_ARG_VAR(AR_STAGE0, [Archive command (bootstrap)])
dnl RTS ways supplied by the bootstrapping compiler.
AC_ARG_VAR(RTS_WAYS_STAGE0, [RTS ways])
if test "$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$GhcMinVersion2"
dnl infer {CC,LD,AR}_STAGE0 from `ghc --info` unless explicitly set by user
if test -z "$CC_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command])
fi
if test -z "$LD_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([LD_STAGE0],[ld command])
# ld command is removed in 9.10.1 as a boot compiler and supplies "Merge objects
# command" instead
if test -z "$LD_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([LD_STAGE0],[Merge objects command])
fi
fi
if test -z "$AR_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command])
fi
BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags])
BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file])
BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsDashL_STAGE0],[ar supports -L])
BOOTSTRAPPING_GHC_INFO_FIELD([SUPPORT_SMP_STAGE0],[Support SMP])
BOOTSTRAPPING_GHC_INFO_FIELD([RTS_WAYS_STAGE0],[RTS ways])
dnl Check whether or not the bootstrapping GHC has a threaded RTS. This
dnl determines whether or not we can have a threaded stage 1.
dnl See Note [Linking ghc-bin against threaded stage0 RTS] in
dnl hadrian/src/Settings/Packages.hs for details.
dnl SMP support which implies a registerised stage0 is also required (see issue 18266)
if echo ${RTS_WAYS_STAGE0} | tr ' ' '\n' | grep '^thr$' 2>&1 >/dev/null && \
test "$SUPPORT_SMP_STAGE0" = "YES"
then
AC_SUBST(GhcThreadedRts, YES)
else
AC_SUBST(GhcThreadedRts, NO)
fi
fi
dnl ** Must have GHC to build GHC
if test "$WithGhc" = ""
then
AC_MSG_ERROR([GHC is required.])
fi
MinBootGhcVersion="9.6"
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[$MinBootGhcVersion],
[AC_MSG_ERROR([GHC version $MinBootGhcVersion 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 $GhcVersion.
Bootstrapping using this version of GHC is not supported, and may not
work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
or 'GHC=' to specify a different GHC to use.])
fi
fi
# GHC is passed to Cabal, so we need a native path
if test "${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_PLATFORMS_VARS
FP_PROG_SH
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
if test "$BuildPlatform" != "$bootstrap_target"
then
if test "$IgnoreBuildPlatformMismatch" = "NO"
then
echo "This GHC (${WithGhc}) does not generate code for the build platform"
echo " GHC target platform : $bootstrap_target"
echo " Desired build platform : $BuildPlatform"
exit 1
fi
fi
dnl ** Do an unregisterised build?
dnl --------------------------------------------------------------
GHC_UNREGISTERISED
AC_SUBST(Unregisterised)
dnl ** Do a build with tables next to code?
dnl --------------------------------------------------------------
GHC_TABLES_NEXT_TO_CODE
AC_SUBST(TablesNextToCode)
# Requires FPTOOLS_SET_PLATFORMS_VARS to be run first.
FP_FIND_ROOT
# Extract and configure the Windows toolchain
if test "$HostOS" = "mingw32" -a "$EnableDistroToolchain" = "NO"; then
FP_INSTALL_WINDOWS_TOOLCHAIN
FP_SETUP_WINDOWS_TOOLCHAIN([$hardtop/inplace/mingw], [$hardtop/inplace/mingw])
else
AC_CHECK_TOOL([CC],[gcc], [clang])
AC_CHECK_TOOL([CXX],[g++], [clang++])
AC_CHECK_TOOL([NM],[nm])
# N.B. we don't probe for LD here but instead
# do so in FIND_LD to avoid #21778.
AC_CHECK_TOOL([AR],[ar])
AC_CHECK_TOOL([RANLIB],[ranlib])
AC_CHECK_TOOL([OBJDUMP],[objdump])
AC_CHECK_TOOL([WindresCmd],[windres])
AC_CHECK_TOOL([Genlib],[genlib])
if test "$HostOS" = "mingw32"; then
AC_CHECK_TARGET_TOOL([WindresCmd],[windres])
AC_CHECK_TARGET_TOOL([OBJDUMP],[objdump])
WindresCmd="$(cygpath -m $WindresCmd)"
if test "$Genlib" != ""; then
GenlibCmd="$(cygpath -m $Genlib)"
fi
fi
fi
FP_ICONV
FP_GMP
FP_CURSES
dnl On Windows we force in-tree GMP build until we support dynamic linking
if test "$HostOS" = "mingw32"
then
GMP_FORCE_INTREE="YES"
fi
dnl ** Building a cross compiler?
dnl --------------------------------------------------------------
CrossCompiling=NO
# If 'host' and 'target' differ, then this means we are building a cross-compiler.
if test "$target" != "$host" ; 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
AC_SUBST(CrossCompiling)
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=$withval ./configure' instead)]))
AC_ARG_WITH([clang],
AS_HELP_STRING([--with-clang=ARG], [Use ARG as the path to clang (obsolete, use CC=ARG instead) [default=autodetect]]),
AC_MSG_ERROR([--with-clang=$withval is obsolete (use './configure CC=$withval' or 'CC=$withval ./configure' instead)]))
dnl detect compiler (prefer gcc over clang) and set $CC (unless CC already set),
dnl later CC is copied to CC_STAGE{1,2,3}
AC_PROG_CC([cc gcc clang])
AC_PROG_CXX([g++ clang++ c++])
# Work around #24324
MOVE_TO_FLAGS([CC],[CFLAGS])
MOVE_TO_FLAGS([CXX],[CXXFLAGS])
MAYBE_OVERRIDE_STAGE0([ar],[AR_STAGE0])
dnl make extensions visible to allow feature-tests to detect them lateron
AC_USE_SYSTEM_EXTENSIONS
# --with-hs-cpp/--with-hs-cpp-flags
FP_HSCPP_CMD_WITH_ARGS(HaskellCPPCmd, HaskellCPPArgs)
AC_SUBST([HaskellCPPCmd])
AC_SUBST([HaskellCPPArgs])
# --with-js-cpp/--with-js-cpp-flags
FP_JSCPP_CMD_WITH_ARGS(JavaScriptCPPCmd, JavaScriptCPPArgs)
AC_SUBST([JavaScriptCPPCmd])
AC_SUBST([JavaScriptCPPArgs])
# --with-cmm-cpp/--with-cmm-cpp-flags
FP_CMM_CPP_CMD_WITH_ARGS([$CC_STAGE0], [CmmCPPCmd_STAGE0], [CmmCPPArgs_STAGE0], [CmmCPPSupportsG0_STAGE0])
AC_SUBST([CmmCPPCmd_STAGE0])
AC_SUBST([CmmCPPArgs_STAGE0])
AC_SUBST([CmmCPPSupportsG0_STAGE0])
FP_CMM_CPP_CMD_WITH_ARGS([$CC], [CmmCPPCmd], [CmmCPPArgs], [CmmCPPSupportsG0])
AC_SUBST([CmmCPPCmd])
AC_SUBST([CmmCPPArgs])
AC_SUBST([CmmCPPSupportsG0])
FP_SET_CFLAGS_C99([CC],[CFLAGS],[CPPFLAGS])
FP_SET_CFLAGS_C99([CC_STAGE0],[CONF_CC_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
dnl ** Do we have a compatible emsdk version?
dnl --------------------------------------------------------------
EMSDK_VERSION("3.1.20", "", "")
dnl ** Which ld to use
dnl --------------------------------------------------------------
AC_ARG_VAR(LD,[Use as the path to ld. See also --disable-ld-override.])
FIND_LD([$target],[GccUseLdOpt])
FIND_MERGE_OBJECTS()
CONF_GCC_LINKER_OPTS_STAGE1="$CONF_GCC_LINKER_OPTS_STAGE1 $GccUseLdOpt"
CONF_GCC_LINKER_OPTS_STAGE2="$CONF_GCC_LINKER_OPTS_STAGE2 $GccUseLdOpt"
CFLAGS="$CFLAGS $GccUseLdOpt"
FP_PROG_LD_IS_GNU
FP_PROG_LD_NO_COMPACT_UNWIND
FP_PROG_LD_FILELIST
FP_PROG_LD_SINGLE_MODULE
dnl ** Which nm to use?
dnl --------------------------------------------------------------
FP_FIND_NM
dnl ** Which objdump to use?
dnl --------------------------------------------------------------
dnl Note: we may not have objdump on OS X, and we only need it on
dnl Windows (for DLL checks), OpenBSD, and AIX
case $HostOS_CPP in
cygwin32|mingw32|openbsd|aix)
AC_CHECK_TARGET_TOOL([OBJDUMP], [objdump])
;;
esac
if test "$HostOS" = "mingw32"
then
ObjdumpCmd=$(cygpath -m "$OBJDUMP")
else
ObjdumpCmd="$OBJDUMP"
fi
AC_SUBST([ObjdumpCmd])
dnl ** Which ranlib to use?
dnl --------------------------------------------------------------
AC_PROG_RANLIB
if test "$RANLIB" = ":"; then
AC_MSG_ERROR([cannot find ranlib in your PATH])
fi
if test "$HostOS" = "mingw32"
then
RanlibCmd=$(cygpath -m "$RANLIB")
else
RanlibCmd="$RANLIB"
fi
AC_SUBST([RanlibCmd])
dnl ** which strip to use?
dnl --------------------------------------------------------------
AC_CHECK_TARGET_TOOL([STRIP], [strip])
StripCmd="$STRIP"
AC_SUBST([StripCmd])
dnl ** Which otool to use on macOS
dnl --------------------------------------------------------------
AC_CHECK_TARGET_TOOL([OTOOL], [otool])
OtoolCmd="$OTOOL"
AC_SUBST(OtoolCmd)
dnl ** Which install_name_tool to use on macOS
dnl --------------------------------------------------------------
AC_CHECK_TARGET_TOOL([INSTALL_NAME_TOOL], [install_name_tool])
InstallNameToolCmd="$INSTALL_NAME_TOOL"
AC_SUBST(InstallNameToolCmd)
# Here is where we re-target which specific version of the LLVM
# tools we are looking for. In the past, GHC supported a number of
# versions of LLVM simultaneously, but that stopped working around
# 3.5/3.6 release of LLVM.
LlvmMinVersion=13 # inclusive
LlvmMaxVersion=20 # not inclusive
AC_SUBST([LlvmMinVersion])
AC_SUBST([LlvmMaxVersion])
ConfiguredEmsdkVersion="${EmsdkVersion}"
AC_SUBST([ConfiguredEmsdkVersion])
dnl ** Which LLVM llc to use?
dnl --------------------------------------------------------------
AC_ARG_VAR(LLC,[Use as the path to LLVM's llc [default=autodetect]])
FIND_LLVM_PROG([LLC], [llc], [$LlvmMinVersion], [$LlvmMaxVersion])
LlcCmd="$LLC"
AC_SUBST([LlcCmd])
dnl ** Which LLVM opt to use?
dnl --------------------------------------------------------------
AC_ARG_VAR(OPT,[Use as the path to LLVM's opt [default=autodetect]])
FIND_LLVM_PROG([OPT], [opt], [$LlvmMinVersion], [$LlvmMaxVersion])
OptCmd="$OPT"
AC_SUBST([OptCmd])
dnl ** Which LLVM assembler to use?
dnl --------------------------------------------------------------
AC_ARG_VAR(LLVMAS,[Use as the path to LLVM's assembler (typically clang) [default=autodetect]])
FIND_LLVM_PROG([LLVMAS], [clang], [$LlvmMinVersion], [$LlvmMaxVersion])
LlvmAsCmd="$LLVMAS"
AC_SUBST([LlvmAsCmd])
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------
dnl ** Copy headers shared by the RTS and compiler
dnl --------------------------------------------------------------
dnl We can't commit symlinks without breaking Windows in the default
dnl configuration.
AC_MSG_NOTICE([Creating links for headers shared by the RTS and compiler])
ln -f rts/include/rts/Bytecodes.h compiler/
ln -f rts/include/rts/storage/ClosureTypes.h compiler/
ln -f rts/include/rts/storage/FunTypes.h compiler/
ln -f rts/include/stg/MachRegs.h compiler/
mkdir -p compiler/MachRegs
ln -f rts/include/stg/MachRegs/arm32.h compiler/MachRegs/arm32.h
ln -f rts/include/stg/MachRegs/arm64.h compiler/MachRegs/arm64.h
ln -f rts/include/stg/MachRegs/loongarch64.h compiler/MachRegs/loongarch64.h
ln -f rts/include/stg/MachRegs/ppc.h compiler/MachRegs/ppc.h
ln -f rts/include/stg/MachRegs/riscv64.h compiler/MachRegs/riscv64.h
ln -f rts/include/stg/MachRegs/s390x.h compiler/MachRegs/s390x.h
ln -f rts/include/stg/MachRegs/wasm32.h compiler/MachRegs/wasm32.h
ln -f rts/include/stg/MachRegs/x86.h compiler/MachRegs/x86.h
AC_MSG_NOTICE([done.])
dnl ** Copy the files from the "fs" utility into the right folders.
dnl --------------------------------------------------------------
AC_MSG_NOTICE([Creating links for in-tree file handling routines])
ln -f utils/fs/fs.* utils/unlit/
ln -f utils/fs/fs.* rts/
ln -f utils/fs/fs.h libraries/ghc-internal/include/
ln -f utils/fs/fs.c libraries/ghc-internal/cbits/
AC_MSG_NOTICE([Routines in place. Packages can now be build normally.])
dnl ** Copy files for ghci wrapper C utilities.
dnl --------------------------------------------------------------
dnl See Note [Hadrian's ghci-wrapper package] in hadrian/src/Packages.hs
AC_MSG_NOTICE([Creating links for ghci wrapper])
ln -f driver/utils/getLocation.c driver/ghci/
ln -f driver/utils/getLocation.h driver/ghci/
ln -f driver/utils/isMinTTY.c driver/ghci/
ln -f driver/utils/isMinTTY.h driver/ghci/
ln -f driver/utils/cwrapper.c driver/ghci/
ln -f driver/utils/cwrapper.h driver/ghci/
AC_MSG_NOTICE([done.])
dnl --------------------------------------------------------------
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------
dnl ** does #! work?
AC_SYS_INTERPRETER()
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 4.7
dnl
FP_GCC_VERSION
dnl ** Check support for the extra flags passed by GHC when compiling via C
FP_GCC_SUPPORTS_VIA_C_FLAGS
dnl ** Used to determine how to compile ghc-prim's atomics.c, used by
dnl unregisterised, Sparc, and PPC backends. Also determines whether
dnl linking to libatomic is required for atomic operations, e.g. on
dnl RISCV64 GCC.
FP_CC_SUPPORTS__ATOMICS
if test "$need_latomic" = 1; then
AC_SUBST([NeedLibatomic],[YES])
else
AC_SUBST([NeedLibatomic],[NO])
fi
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND
AC_SUBST(CcLlvmBackend)
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
#-no_fixup_chains
FP_LD_NO_FIXUP_CHAINS([target], [LDFLAGS])
FP_LD_NO_FIXUP_CHAINS([build], [CONF_GCC_LINKER_OPTS_STAGE0])
FP_LD_NO_FIXUP_CHAINS([target], [CONF_GCC_LINKER_OPTS_STAGE1])
FP_LD_NO_FIXUP_CHAINS([target], [CONF_GCC_LINKER_OPTS_STAGE2])
#-no_warn_duplicate_libraries
FP_LD_NO_WARN_DUPLICATE_LIBRARIES([build], [CONF_GCC_LINKER_OPTS_STAGE0])
FP_LD_NO_WARN_DUPLICATE_LIBRARIES([target], [CONF_GCC_LINKER_OPTS_STAGE1])
FP_LD_NO_WARN_DUPLICATE_LIBRARIES([target], [CONF_GCC_LINKER_OPTS_STAGE2])
FP_MERGE_OBJECTS_SUPPORTS_RESPONSE_FILES
GHC_LLVM_TARGET_SET_VAR
# The target is substituted into the distrib/configure.ac file
AC_SUBST(LlvmTarget)
dnl ** See whether cc supports --target=<triple> and set
dnl CONF_CC_OPTS_STAGE[012] accordingly.
FP_CC_SUPPORTS_TARGET([$CC_STAGE0], [CONF_CC_OPTS_STAGE0], [CONF_CXX_OPTS_STAGE0])
FP_CC_SUPPORTS_TARGET([$CC], [CONF_CC_OPTS_STAGE1], [CONF_CXX_OPTS_STAGE1])
FP_CC_SUPPORTS_TARGET([$CC], [CONF_CC_OPTS_STAGE2], [CONF_CXX_OPTS_STAGE2])
FP_PROG_CC_LINKER_TARGET([$CC_STAGE0], [CONF_CC_OPTS_STAGE0], [CONF_GCC_LINKER_OPTS_STAGE0])
FP_PROG_CC_LINKER_TARGET([$CC], [CONF_CC_OPTS_STAGE1], [CONF_GCC_LINKER_OPTS_STAGE1])
FP_PROG_CC_LINKER_TARGET([$CC], [CONF_CC_OPTS_STAGE2], [CONF_GCC_LINKER_OPTS_STAGE2])
dnl ** See whether cc used as a linker supports -no-pie
FP_GCC_SUPPORTS_NO_PIE
dnl Pass -Qunused-arguments or otherwise GHC will have very noisy invocations of Clang
dnl TODO: Do we need -Qunused-arguments in CXX and GCC linker too?
FP_CC_IGNORE_UNUSED_ARGS([$CC_STAGE0], [CONF_CC_OPTS_STAGE0])
FP_CC_IGNORE_UNUSED_ARGS([$CC], [CONF_CC_OPTS_STAGE1])
FP_CC_IGNORE_UNUSED_ARGS([$CC], [CONF_CC_OPTS_STAGE2])
# CPP, CPPFLAGS
# --with-cpp/-with-cpp-flags
dnl Note that we must do this after setting and using the C99 CPPFLAGS, or
dnl otherwise risk trying to configure the C99 and LD flags using -E as a CPPFLAG
FP_CPP_CMD_WITH_ARGS([$CC_STAGE0],[CPPCmd_STAGE0],[CONF_CPP_OPTS_STAGE0])
FP_CPP_CMD_WITH_ARGS([$CC],[CPPCmd],[CONF_CPP_OPTS_STAGE1])
FP_CPP_CMD_WITH_ARGS([$CC],[CPPCmd],[CONF_CPP_OPTS_STAGE2])
AC_SUBST([CPPCmd_STAGE0])
AC_SUBST([CPPCmd])
# 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 Identify C++ standard library flavour and location only when _not_ compiling
dnl the JS backend. The JS backend uses emscripten to wrap c++ utilities which
dnl fails this check, so we avoid it when compiling to JS.
if test "$TargetOS" != "ghcjs"; then
FP_FIND_CXX_STD_LIB
fi
AC_CONFIG_FILES([mk/system-cxx-std-lib-1.0.conf])
dnl ** Set up the variables for the platform in the settings file.
dnl May need to use gcc to find platform details.
dnl --------------------------------------------------------------
FPTOOLS_SET_HASKELL_PLATFORM_VARS([Build])
FPTOOLS_SET_HASKELL_PLATFORM_VARS([Host])
AC_SUBST(HaskellHostArch)
AC_SUBST(HaskellHostOs)
FPTOOLS_SET_HASKELL_PLATFORM_VARS([Target])
AC_SUBST(HaskellTargetArch)
AC_SUBST(HaskellTargetOs)
GHC_SUBSECTIONS_VIA_SYMBOLS
AC_SUBST(TargetHasSubsectionsViaSymbols)
GHC_IDENT_DIRECTIVE
AC_SUBST(TargetHasIdentDirective)
GHC_GNU_NONEXEC_STACK
AC_SUBST(TargetHasGnuNonexecStack)
dnl Let's make sure install-sh is executable here. If we got it from
dnl a darcs repo, it might not be (see bug #978).
chmod +x install-sh
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
dnl ** how to invoke `ar' and `ranlib'
FP_PROG_AR_SUPPORTS_ATFILE
FP_PROG_AR_SUPPORTS_DASH_L
FP_PROG_AR_NEEDS_RANLIB
dnl ** Check to see whether ln -s works
AC_PROG_LN_S
FP_SETTINGS
dnl ** Find the path to sed
AC_PATH_PROGS(SedCmd,gsed sed,sed)
dnl ** check for time command
AC_PATH_PROG(TimeCmd,time)
dnl ** check for tar
dnl if GNU tar is named gtar, look for it first.
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
dnl ** check for autoreconf
AC_PATH_PROG(AutoreconfCmd, autoreconf, autoreconf)
dnl ** check for dtrace (currently only implemented for Mac OS X)
AC_ARG_ENABLE(dtrace,
[AS_HELP_STRING([--enable-dtrace],
[Enable DTrace])],
EnableDtrace=$enableval,
EnableDtrace=yes
)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test "x$EnableDtrace" = "xyes"; then
if test -n "$DtraceCmd"; then
if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" \
-o "x$TargetOS_CPP-$TargetVendor_CPP" = "xfreebsd-portbld" \
-o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
HaveDtrace=YES
fi
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=`"$SPHINXBUILD" --version 2>&1 | sed -re 's/.* v?([0-9]\.[0-9]\.[0-9])/\1/' | head -n1`;
fi;
changequote([, ])dnl
])
FP_COMPARE_VERSIONS([$fp_cv_sphinx_version],-lt,1.0.0,
[AC_MSG_WARN([Sphinx version 1.0.0 or later is required to build documentation]); SPHINXBUILD=;])
if test -n "$SPHINXBUILD"; then
if "$SPHINXBUILD" -b text utils/check-sphinx utils/check-sphinx/dist > /dev/null 2>&1; then true; else
AC_MSG_WARN([Sphinx for python3 is required to build documentation.])
SPHINXBUILD=;
fi
fi
dnl ** check for xelatex
AC_PATH_PROG(XELATEX,xelatex)
AC_PATH_PROG(MAKEINDEX,makeindex)
AC_PATH_PROG(GIT,git)
dnl ** check for makeinfo
AC_PATH_PROG(MAKEINFO,makeinfo)
dnl ** check for cabal
AC_PATH_PROG(CABAL,cabal)
dnl ** check for Python for testsuite driver
FIND_PYTHON
dnl ** check for ghc-pkg command
FP_PROG_GHC_PKG
dnl ** check for installed happy binary + version
AC_ARG_VAR(HAPPY,[Use as the path to happy [default=autodetect]])
FPTOOLS_HAPPY
dnl ** check for installed alex binary + version
AC_ARG_VAR(ALEX,[Use as the path to alex [default=autodetect]])
FPTOOLS_ALEX
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
dnl for use in settings file
AC_CHECK_SIZEOF([void *])
TargetWordSize=$ac_cv_sizeof_void_p
AC_SUBST(TargetWordSize)
AC_C_BIGENDIAN([TargetWordBigEndian=YES],[TargetWordBigEndian=NO])
AC_SUBST(TargetWordBigEndian)
dnl ** check for math library
dnl Keep that check as early as possible.
dnl as we need to know whether we need libm
dnl for math functions or not
dnl (see https://gitlab.haskell.org/ghc/ghc/issues/3730)
AC_CHECK_LIB(m, atan, UseLibm=YES, UseLibm=NO)
AC_SUBST([UseLibm])
TargetHasLibm=$UseLibm
AC_SUBST(TargetHasLibm)
FP_BFD_FLAG
AC_SUBST([UseLibbfd])
dnl ################################################################
dnl Check for libraries
dnl ################################################################
FP_FIND_LIBFFI
AC_SUBST(UseSystemLibFFI)
AC_SUBST(FFILibDir)
AC_SUBST(FFIIncludeDir)
dnl ** check whether we need -ldl to get dlopen()
AC_CHECK_LIB([dl], [dlopen], UseLibdl=YES, UseLibdl=NO)
AC_SUBST([UseLibdl])
dnl ** check for leading underscores in symbol names
FP_LEADING_UNDERSCORE
AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
dnl ** check for librt
AC_CHECK_LIB([rt], [clock_gettime], UseLibrt=YES, UseLibrt=NO)
AC_SUBST([UseLibrt])
FP_CHECK_PTHREAD_LIB
AC_SUBST([UseLibpthread])
GHC_ADJUSTORS_METHOD([Target])
AC_SUBST([UseLibffiForAdjustors])
dnl ** IPE data compression
dnl --------------------------------------------------------------
FP_FIND_LIBZSTD
AC_SUBST(UseLibZstd)
AC_SUBST(UseStaticLibZstd)
AC_SUBST(LibZstdLibDir)
AC_SUBST(LibZstdIncludeDir)
dnl ** Other RTS features
dnl --------------------------------------------------------------
FP_FIND_LIBDW
AC_SUBST(UseLibdw)
AC_SUBST(LibdwLibDir)
AC_SUBST(LibdwIncludeDir)
FP_FIND_LIBNUMA
AC_SUBST(UseLibNuma)
AC_SUBST(LibNumaLibDir)
AC_SUBST(LibNumaIncludeDir)
dnl ** Documentation
dnl --------------------------------------------------------------
if test -n "$SPHINXBUILD"; then
BUILD_MAN=YES
BUILD_SPHINX_HTML=YES
if test -n "$XELATEX" -a -n "$MAKEINDEX"; then
BUILD_SPHINX_PDF=YES
else
BUILD_SPHINX_PDF=NO
fi
if test -n "$MAKEINFO"; then
BUILD_SPHINX_INFO=YES
else
BUILD_SPHINX_INFO=NO
fi
else
BUILD_MAN=NO
BUILD_SPHINX_HTML=NO
BUILD_SPHINX_PDF=NO
BUILD_SPHINX_INFO=NO
fi
AC_SUBST(BUILD_MAN)
AC_SUBST(BUILD_SPHINX_HTML)
AC_SUBST(BUILD_SPHINX_PDF)
if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
fi
# We got caught by
# http://savannah.gnu.org/bugs/index.php?1516
# $(eval ...) inside conditionals causes errors
# with make 3.80, so warn the user if it looks like they're about to
# try to use it.
# We would use "grep -q" here, but Solaris's grep doesn't support it.
print_make_warning=""
checkMake380() {
make_ver=`$1 --version 2>&1 | head -1`
if echo "$make_ver" | grep 'GNU Make 3\.80' > /dev/null
then
print_make_warning="true"
fi
if echo "$make_ver" | grep 'GNU Make' > /dev/null
then
MakeCmd=$1
AC_SUBST(MakeCmd)
fi
}
checkMake380 make
checkMake380 gmake
# Toolchain target files
FIND_GHC_TOOLCHAIN_BIN([NO])
PREP_TARGET_FILE
FIND_GHC_TOOLCHAIN([hadrian/cfg])
AC_CONFIG_FILES(
[ hadrian/cfg/system.config
hadrian/ghci-cabal
hadrian/ghci-multi-cabal
hadrian/ghci-stack
hadrian/cfg/default.host.target
hadrian/cfg/default.target
])
dnl Create the VERSION file, satisfying #22322.
printf "$ProjectVersion" > VERSION
AC_OUTPUT
[
if test "$print_make_warning" = "true"; then
echo
echo "WARNING: It looks like \"$MakeCmd\" is GNU make 3.80."
echo "This version cannot be used to build GHC."
echo "Please use GNU make >= 3.81."
fi
echo "
----------------------------------------------------------------------