forked from rust-lang/rust
-
Notifications
You must be signed in to change notification settings - Fork 0
/
configure
executable file
·1267 lines (1095 loc) · 32.8 KB
/
configure
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
#!/bin/sh
msg() {
echo "configure: $1"
}
step_msg() {
msg
msg "$1"
msg
}
warn() {
echo "configure: WARNING: $1"
}
err() {
echo "configure: error: $1"
exit 1
}
need_ok() {
if [ $? -ne 0 ]
then
err "$1"
fi
}
need_cmd() {
if command -v $1 >/dev/null 2>&1
then msg "found $1"
else err "need $1"
fi
}
make_dir() {
if [ ! -d $1 ]
then
msg "mkdir -p $1"
mkdir -p $1
fi
}
copy_if_changed() {
if cmp -s $1 $2
then
msg "leaving $2 unchanged"
else
msg "cp $1 $2"
cp -f $1 $2
chmod u-w $2 # make copied artifact read-only
fi
}
move_if_changed() {
if cmp -s $1 $2
then
msg "leaving $2 unchanged"
else
msg "mv $1 $2"
mv -f $1 $2
chmod u-w $2 # make moved artifact read-only
fi
}
putvar() {
local T
eval T=\$$1
eval TLEN=\${#$1}
if [ $TLEN -gt 35 ]
then
printf "configure: %-20s := %.35s ...\n" $1 "$T"
else
printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
fi
printf "%-20s := %s\n" $1 "$T" >>config.tmp
}
probe() {
local V=$1
shift
local P
local T
for P
do
T=$(command -v $P 2>&1)
if [ $? -eq 0 ]
then
VER0=$($P --version 2>/dev/null | head -1 \
| sed -e 's/[^0-9]*\([vV]\?[0-9.]\+[^ ]*\).*/\1/' )
if [ $? -eq 0 -a "x${VER0}" != "x" ]
then
VER="($VER0)"
else
VER=""
fi
break
else
VER=""
T=""
fi
done
eval $V=\$T
putvar $V "$VER"
}
probe_need() {
local V=$1
probe $*
eval VV=\$$V
if [ -z "$VV" ]
then
err "needed, but unable to find any of: $*"
fi
}
validate_opt () {
for arg in $CFG_CONFIGURE_ARGS
do
isArgValid=0
for option in $BOOL_OPTIONS
do
if test --disable-$option = $arg
then
isArgValid=1
fi
if test --enable-$option = $arg
then
isArgValid=1
fi
done
for option in $VAL_OPTIONS
do
if echo "$arg" | grep -q -- "--$option="
then
isArgValid=1
fi
done
if [ "$arg" = "--help" ]
then
echo
echo "No more help available for Configure options,"
echo "check the Wiki or join our IRC channel"
break
else
if test $isArgValid -eq 0
then
err "Option '$arg' is not recognized"
fi
fi
done
}
valopt() {
VAL_OPTIONS="$VAL_OPTIONS $1"
local OP=$1
local DEFAULT=$2
shift
shift
local DOC="$*"
if [ $HELP -eq 0 ]
then
local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
local V="CFG_${UOP}"
eval $V="$DEFAULT"
for arg in $CFG_CONFIGURE_ARGS
do
if echo "$arg" | grep -q -- "--$OP="
then
val=$(echo "$arg" | cut -f2 -d=)
eval $V=$val
fi
done
putvar $V
else
if [ -z "$DEFAULT" ]
then
DEFAULT="<none>"
fi
OP="${OP}=[${DEFAULT}]"
printf " --%-30s %s\n" "$OP" "$DOC"
fi
}
opt() {
BOOL_OPTIONS="$BOOL_OPTIONS $1"
local OP=$1
local DEFAULT=$2
shift
shift
local DOC="$*"
local FLAG=""
if [ $DEFAULT -eq 0 ]
then
FLAG="enable"
else
FLAG="disable"
DOC="don't $DOC"
fi
if [ $HELP -eq 0 ]
then
for arg in $CFG_CONFIGURE_ARGS
do
if [ "$arg" = "--${FLAG}-${OP}" ]
then
OP=$(echo $OP | tr 'a-z-' 'A-Z_')
FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
local V="CFG_${FLAG}_${OP}"
eval $V=1
putvar $V
fi
done
else
if [ ! -z "$META" ]
then
OP="$OP=<$META>"
fi
printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
fi
}
envopt() {
local NAME=$1
local V="CFG_${NAME}"
eval VV=\$$V
# If configure didn't set a value already, then check environment.
#
# (It is recommended that the configure script always check the
# environment before setting any values to envopt variables; see
# e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
# and issues msg if it ends up employing that provided value.)
if [ -z "$VV" ]
then
eval $V=\$$NAME
eval VV=\$$V
fi
# If script or environment provided a value, save it.
if [ ! -z "$VV" ]
then
putvar $V
fi
}
msg "looking for configure programs"
need_cmd cmp
need_cmd mkdir
need_cmd printf
need_cmd cut
need_cmd head
need_cmd grep
need_cmd xargs
need_cmd cp
need_cmd find
need_cmd uname
need_cmd date
need_cmd tr
need_cmd sed
need_cmd file
msg "inspecting environment"
CFG_OSTYPE=$(uname -s)
CFG_CPUTYPE=$(uname -m)
if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
then
# Darwin's `uname -s` lies and always returns i386. We have to use sysctl
# instead.
if sysctl hw.optional.x86_64 | grep -q ': 1'
then
CFG_CPUTYPE=x86_64
fi
fi
# The goal here is to come up with the same triple as LLVM would,
# at least for the subset of platforms we're willing to target.
case $CFG_OSTYPE in
Linux)
CFG_OSTYPE=unknown-linux-gnu
;;
FreeBSD)
CFG_OSTYPE=unknown-freebsd
;;
DragonFly)
CFG_OSTYPE=unknown-dragonfly
;;
Darwin)
CFG_OSTYPE=apple-darwin
;;
MINGW*)
# msys' `uname` does not print gcc configuration, but prints msys
# configuration. so we cannot believe `uname -m`:
# msys1 is always i686 and msys2 is always x86_64.
# instead, msys defines $MSYSTEM which is MINGW32 on i686 and
# MINGW64 on x86_64.
CFG_CPUTYPE=i686
CFG_OSTYPE=w64-mingw32
if [ "$MSYSTEM" = MINGW64 ]
then
CFG_CPUTYPE=x86_64
CFG_OSTYPE=w64-mingw32
fi
;;
# Thad's Cygwin identifers below
# Vista 32 bit
CYGWIN_NT-6.0)
CFG_OSTYPE=pc-mingw32
CFG_CPUTYPE=i686
;;
# Vista 64 bit
CYGWIN_NT-6.0-WOW64)
CFG_OSTYPE=w64-mingw32
CFG_CPUTYPE=x86_64
;;
# Win 7 32 bit
CYGWIN_NT-6.1)
CFG_OSTYPE=pc-mingw32
CFG_CPUTYPE=i686
;;
# Win 7 64 bit
CYGWIN_NT-6.1-WOW64)
CFG_OSTYPE=w64-mingw32
CFG_CPUTYPE=x86_64
;;
# We do not detect other OS such as XP/2003 using 64 bit using uname.
# If we want to in the future, we will need to use Cygwin - Chuck's csih helper in /usr/lib/csih/winProductName.exe or alternative.
*)
err "unknown OS type: $CFG_OSTYPE"
;;
esac
case $CFG_CPUTYPE in
i386 | i486 | i686 | i786 | x86)
CFG_CPUTYPE=i686
;;
xscale | arm)
CFG_CPUTYPE=arm
;;
armv7l)
CFG_CPUTYPE=arm
CFG_OSTYPE="${CFG_OSTYPE}eabihf"
;;
x86_64 | x86-64 | x64 | amd64)
CFG_CPUTYPE=x86_64
;;
*)
err "unknown CPU type: $CFG_CPUTYPE"
esac
# Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
then
file -L "$SHELL" | grep -q "x86[_-]64"
if [ $? != 0 ]; then
CFG_CPUTYPE=i686
fi
fi
DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
CFG_BUILD_DIR="$(pwd)/"
CFG_SELF="$0"
CFG_CONFIGURE_ARGS="$@"
OPTIONS=""
HELP=0
if [ "$1" = "--help" ]
then
HELP=1
shift
echo
echo "Usage: $CFG_SELF [options]"
echo
echo "Options:"
echo
else
msg "recreating config.tmp"
echo '' >config.tmp
step_msg "processing $CFG_SELF args"
fi
BOOL_OPTIONS=""
VAL_OPTIONS=""
opt valgrind 0 "run tests with valgrind (memcheck by default)"
opt helgrind 0 "run tests with helgrind instead of memcheck"
opt docs 1 "build documentation"
opt optimize 1 "build optimized rust code"
opt optimize-cxx 1 "build optimized C++ code"
opt optimize-llvm 1 "build optimized LLVM"
opt optimize-tests 1 "build tests with optimizations"
opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
opt llvm-assertions 1 "build LLVM with assertions"
opt debug 1 "build with extra debug fun"
opt ratchet-bench 0 "ratchet benchmarks"
opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
opt manage-submodules 1 "let the build manage the git submodules"
opt mingw-cross 0 "cross-compile for win32 using mingw"
opt clang 0 "prefer clang to gcc for building the runtime"
opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
opt inject-std-version 1 "inject the current compiler version of libstd into programs"
opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
opt rpath 0 "build rpaths into rustc itself"
opt nightly 0 "build nightly packages"
opt verify-install 1 "verify installed binaries work"
opt jemalloc 1 "build liballoc with jemalloc"
# This is used by the automation to produce single-target nightlies
opt dist-host-only 0 "only install bins for the host architecture"
valopt prefix "/usr/local" "set installation prefix"
valopt local-rust-root "/usr/local" "set prefix for local rust binary"
valopt llvm-root "" "set LLVM root"
valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
valopt mingw32-cross-path "" "MinGW32 cross compiler path"
valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
valopt host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
valopt target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
valopt localstatedir "/var/lib" "local state directory"
valopt sysconfdir "/etc" "install system configuration files"
valopt datadir "${CFG_PREFIX}/share" "install data"
valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
valopt mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
valopt release-channel "dev" "the name of the release channel to build"
# On windows we just store the libraries in the bin directory because
# there's no rpath. This is where the build system itself puts libraries;
# --libdir is used to configure the installation directory.
# FIXME: This needs to parameterized over target triples. Do it in platform.mk
CFG_LIBDIR_RELATIVE=lib
if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
then
CFG_LIBDIR_RELATIVE=bin
fi
valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries"
if [ $HELP -eq 1 ]
then
echo
exit 0
fi
# Validate Options
step_msg "validating $CFG_SELF args"
validate_opt
# Validate the release channel
case "$CFG_RELEASE_CHANNEL" in
(dev | nightly | beta | stable)
;;
(*)
err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
;;
esac
# Continue supporting the old --enable-nightly flag to transition the bots
# XXX Remove me
if [ ! -z "$CFG_ENABLE_NIGHTLY" ]
then
CFG_RELEASE_CHANNEL=nightly
putvar CFG_RELEASE_CHANNEL
fi
step_msg "looking for build programs"
probe_need CFG_PERL perl
probe_need CFG_CURLORWGET curl wget
probe_need CFG_PYTHON python2.7 python2.6 python2 python
python_version=$($CFG_PYTHON -V 2>&1)
if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
err "Found $python_version, but LLVM requires Python 2.4-2.7"
fi
# If we have no git directory then we are probably a tarball distribution
# and shouldn't attempt to load submodules
if [ ! -e ${CFG_SRC_DIR}.git ]
then
probe CFG_GIT git
msg "git: no git directory. disabling submodules"
CFG_DISABLE_MANAGE_SUBMODULES=1
else
probe_need CFG_GIT git
fi
probe CFG_CLANG clang++
probe CFG_CCACHE ccache
probe CFG_GCC gcc
probe CFG_LD ld
probe CFG_VALGRIND valgrind
probe CFG_PERF perf
probe CFG_ISCC iscc
probe CFG_LLNEXTGEN LLnextgen
probe CFG_JAVAC javac
probe CFG_ANTLR4 antlr4
probe CFG_GRUN grun
probe CFG_PANDOC pandoc
probe CFG_PDFLATEX pdflatex
probe CFG_XELATEX xelatex
probe CFG_LUALATEX lualatex
probe CFG_GDB gdb
probe CFG_LLDB lldb
if [ ! -z "$CFG_GDB" ]
then
# Extract the version
CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
putvar CFG_GDB_VERSION
fi
if [ ! -z "$CFG_LLDB" ]
then
# If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
# LLDB via the -P commandline options.
if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
then
CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
# If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
then
CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
fi
putvar CFG_LLDB_PYTHON_DIR
fi
fi
step_msg "looking for target specific programs"
probe CFG_ADB adb
if [ ! -z "$CFG_PANDOC" ]
then
PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
# extract the first 2 version fields, ignore everything else
sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
MIN_PV_MAJOR="1"
MIN_PV_MINOR="9"
# these patterns are shell globs, *not* regexps
PV_MAJOR=${PV_MAJOR_MINOR% *}
PV_MINOR=${PV_MAJOR_MINOR#* }
if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
then
step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
BAD_PANDOC=1
fi
fi
BIN_SUF=
if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
then
BIN_SUF=.exe
fi
if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
then
system_rustc=$(which rustc)
if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
then
: # everything already configured
elif [ -n "$system_rustc" ]
then
# we assume that rustc is in a /bin directory
CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
else
err "no local rust to use"
fi
LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version`
step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
putvar CFG_LOCAL_RUST_ROOT
fi
# Force freebsd to build with clang; gcc doesn't like us there
if [ $CFG_OSTYPE = unknown-freebsd ]
then
step_msg "on FreeBSD, forcing use of clang"
CFG_ENABLE_CLANG=1
putvar CFG_ENABLE_CLANG
fi
if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
# OS X 10.9, gcc is actually clang. This can cause some confusion in the build
# system, so if we find that gcc is clang, we should just use clang directly.
if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
then
CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
if [ $? -eq 0 ]
then
step_msg "on OS X 10.9, forcing use of clang"
CFG_ENABLE_CLANG=1
putvar CFG_ENABLE_CLANG
else
if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
step_msg "older GCC found, using clang instead"
CFG_ENABLE_CLANG=1
putvar CFG_ENABLE_CLANG
else
# on OS X, with xcode 5 and newer, certain developers may have
# cc, gcc and g++ point to a mixture of clang and gcc
# if so, this will create very strange build errors
# this last stanza is to detect some such problems and save the future rust
# contributor some time solving that issue.
# this detection could be generalized to other OSes aside from OS X
# but the issue seems most likely to happen on OS X
chk_cc () {
$1 --version 2> /dev/null | grep -q $2
}
# check that gcc, cc and g++ all point to the same compiler.
# note that for xcode 5, g++ points to clang, not clang++
if !((chk_cc gcc clang && chk_cc g++ clang) ||
(chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
err "the gcc and g++ in your path point to different compilers.
Check which versions are in your path with gcc --version and g++ --version.
To resolve this problem, either fix your PATH or run configure with --enable-clang"
fi
fi
fi
fi
if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
then
step_msg "using custom LLVM at $CFG_LLVM_ROOT"
LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
LLVM_VERSION=$($LLVM_CONFIG --version)
case $LLVM_VERSION in
(3.[2-6]*)
msg "found ok version of LLVM: $LLVM_VERSION"
;;
(*)
err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
;;
esac
fi
# Even when the user overrides the choice of CC, still try to detect
# clang to disable some clang-specific warnings. We here draw a
# distinction between:
#
# CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
# CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
#
# This distinction is important because there are some safeguards we
# would prefer to skip when merely CFG_USING_CLANG is set; but when
# CFG_ENABLE_CLANG is set, that indicates that we are opting into
# running such safeguards.
if [ ! -z "$CC" ]
then
msg "skipping compiler inference steps; using provided CC=$CC"
CFG_CC="$CC"
CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
if [ $? -eq 0 ]
then
step_msg "note, user-provided CC looks like clang; CC=$CC."
CFG_USING_CLANG=1
putvar CFG_USING_CLANG
fi
else
if [ ! -z "$CFG_ENABLE_CLANG" ]
then
if [ -z "$CFG_CLANG" ]
then
err "clang requested but not found"
fi
CFG_CC="$CFG_CLANG"
CFG_USING_CLANG=1
putvar CFG_USING_CLANG
else
CFG_CC="gcc"
fi
fi
if [ ! -z "$CFG_ENABLE_CLANG" ]
then
if [ -z "$CC" ] || [[ $CC == *clang ]]
then
CFG_CLANG_VERSION=$($CFG_CC \
--version \
| grep version \
| sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
| cut -d ' ' -f 2)
case $CFG_CLANG_VERSION in
(3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* | 3.5* | 3.6*)
step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
if [ -z "$CC" ]
then
CFG_CC="clang"
CFG_CXX="clang++"
fi
;;
(*)
err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
;;
esac
else
msg "skipping CFG_ENABLE_CLANG version check; provided CC=$CC"
fi
fi
if [ ! -z "$CFG_ENABLE_CCACHE" ]
then
if [ -z "$CC" ]
then
if [ -z "$CFG_CCACHE" ]
then
err "ccache requested but not found"
fi
CFG_CC="ccache $CFG_CC"
fi
fi
if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
# All safeguards based on $CFG_ENABLE_CLANG should occur before this
# point in the script; after this point, script logic should inspect
# $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
# Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS}
envopt CC
envopt CXX
envopt CPP
envopt CFLAGS
envopt CXXFLAGS
# a little post-processing of various config values
CFG_PREFIX=${CFG_PREFIX%/}
CFG_MANDIR=${CFG_MANDIR%/}
CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
CFG_SUPPORTED_TARGET="$(grep ^CC_*=* ${CFG_SRC_DIR}mk/platform.mk | sed -e 's/^CC_//' -e 's/\([^=]*\).*/\1/' | xargs)"
# copy host-triples to target-triples so that hosts are a subset of targets
V_TEMP=""
for i in $CFG_HOST $CFG_TARGET;
do
echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
done
CFG_TARGET=$V_TEMP
# check target-specific tool-chains
for i in $CFG_TARGET
do
L_CHECK=false
for j in $CFG_SUPPORTED_TARGET
do
if [ $i = $j ]
then
L_CHECK=true
fi
done
if [ $L_CHECK = false ]
then
err "unsupported target triples \"$i\" found"
fi
case $i in
arm-linux-androideabi)
if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
then
err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
fi
if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
then
err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
fi
if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
then
err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
fi
;;
arm-apple-darwin)
if [ $CFG_OSTYPE != apple-darwin ]
then
err "The iOS target is only supported on Mac OS X"
fi
;;
*)
;;
esac
done
if [ ! -z "$CFG_PERF" ]
then
HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
if [ -z "$HAVE_PERF_LOGFD" ];
then
CFG_PERF_WITH_LOGFD=1
putvar CFG_PERF_WITH_LOGFD
fi
fi
step_msg "making directories"
for i in \
doc doc/std doc/extra \
dl tmp dist
do
make_dir $i
done
for t in $CFG_HOST
do
make_dir $t/llvm
done
for t in $CFG_HOST
do
make_dir $t/rustllvm
done
for t in $CFG_TARGET
do
make_dir $t/rt
for s in 0 1 2 3
do
make_dir $t/rt/stage$s
make_dir $t/rt/jemalloc
for i in \
isaac sync test \
arch/i386 arch/x86_64 arch/arm arch/mips \
sundown/src sundown/html
do
make_dir $t/rt/stage$s/$i
done
done
done
for h in $CFG_HOST
do
for t in $CFG_TARGET
do
for i in 0 1 2 3
do
# host bin dir
make_dir $h/stage$i/bin
# host lib dir
make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
# host test dir
make_dir $h/stage$i/test
# target bin dir
make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
# target lib dir
make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
done
done
make_dir $h/test/run-pass
make_dir $h/test/run-pass-fulldeps
make_dir $h/test/run-fail
make_dir $h/test/compile-fail
make_dir $h/test/compile-fail-fulldeps
make_dir $h/test/bench
make_dir $h/test/perf
make_dir $h/test/pretty
make_dir $h/test/debuginfo-gdb
make_dir $h/test/debuginfo-lldb
make_dir $h/test/codegen
make_dir $h/test/doc-tutorial
make_dir $h/test/doc-guide
make_dir $h/test/doc-guide-ffi
make_dir $h/test/doc-guide-runtime
make_dir $h/test/doc-guide-macros
make_dir $h/test/doc-guide-lifetimes
make_dir $h/test/doc-guide-pointers
make_dir $h/test/doc-guide-container
make_dir $h/test/doc-guide-tasks
make_dir $h/test/doc-guide-plugin
make_dir $h/test/doc-rust
done
# Configure submodules
step_msg "configuring submodules"
# Have to be in the top of src directory for this
if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
then
cd ${CFG_SRC_DIR}
msg "git: submodule sync"
"${CFG_GIT}" submodule sync
msg "git: submodule init"
"${CFG_GIT}" submodule init
# Disable submodules that we're not using
if [ ! -z "${CFG_LLVM_ROOT}" ]; then
msg "git: submodule deinit src/llvm"
"${CFG_GIT}" submodule deinit src/llvm
fi
if [ ! -z "${CFG_JEMALLOC_ROOT}" ]; then
msg "git: submodule deinit src/jemalloc"
"${CFG_GIT}" submodule deinit src/jemalloc
fi
msg "git: submodule update"
"${CFG_GIT}" submodule update
need_ok "git failed"
msg "git: submodule foreach sync"
"${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
need_ok "git failed"
msg "git: submodule foreach update"
"${CFG_GIT}" submodule update --recursive
need_ok "git failed"
# NB: this is just for the sake of getting the submodule SHA1 values
# and status written into the build log.
msg "git: submodule status"
"${CFG_GIT}" submodule status --recursive
msg "git: submodule clobber"
"${CFG_GIT}" submodule foreach --recursive git clean -dxf
need_ok "git failed"
"${CFG_GIT}" submodule foreach --recursive git checkout .
need_ok "git failed"
cd ${CFG_BUILD_DIR}
fi
# Configure llvm, only if necessary
step_msg "looking at LLVM"
CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
for t in $CFG_HOST
do
do_reconfigure=1
if [ -z $CFG_LLVM_ROOT ]
then
LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
then
LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
# Just use LLVM straight from its build directory to
# avoid 'make install' time
LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
else
LLVM_DBG_OPTS="--enable-optimized"
LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
fi
if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
then
LLVM_ASSERTION_OPTS="--disable-assertions"