forked from jemalloc/jemalloc
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathconfigure.ac
2465 lines (2291 loc) · 74.6 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 Process this file with autoconf to produce a configure script.
AC_PREREQ(2.68)
AC_INIT([Makefile.in])
AC_CONFIG_AUX_DIR([build-aux])
dnl ============================================================================
dnl Custom macro definitions.
dnl JE_CONCAT_VVV(r, a, b)
dnl
dnl Set $r to the concatenation of $a and $b, with a space separating them iff
dnl both $a and $b are non-empty.
AC_DEFUN([JE_CONCAT_VVV],
if test "x[$]{$2}" = "x" -o "x[$]{$3}" = "x" ; then
$1="[$]{$2}[$]{$3}"
else
$1="[$]{$2} [$]{$3}"
fi
)
dnl JE_APPEND_VS(a, b)
dnl
dnl Set $a to the concatenation of $a and b, with a space separating them iff
dnl both $a and b are non-empty.
AC_DEFUN([JE_APPEND_VS],
T_APPEND_V=$2
JE_CONCAT_VVV($1, $1, T_APPEND_V)
)
CONFIGURE_CFLAGS=
SPECIFIED_CFLAGS="${CFLAGS}"
dnl JE_CFLAGS_ADD(cflag)
dnl
dnl CFLAGS is the concatenation of CONFIGURE_CFLAGS and SPECIFIED_CFLAGS
dnl (ignoring EXTRA_CFLAGS, which does not impact configure tests. This macro
dnl appends to CONFIGURE_CFLAGS and regenerates CFLAGS.
AC_DEFUN([JE_CFLAGS_ADD],
[
AC_MSG_CHECKING([whether compiler supports $1])
T_CONFIGURE_CFLAGS="${CONFIGURE_CFLAGS}"
JE_APPEND_VS(CONFIGURE_CFLAGS, $1)
JE_CONCAT_VVV(CFLAGS, CONFIGURE_CFLAGS, SPECIFIED_CFLAGS)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
]], [[
return 0;
]])],
[je_cv_cflags_added=$1]
AC_MSG_RESULT([yes]),
[je_cv_cflags_added=]
AC_MSG_RESULT([no])
[CONFIGURE_CFLAGS="${T_CONFIGURE_CFLAGS}"]
)
JE_CONCAT_VVV(CFLAGS, CONFIGURE_CFLAGS, SPECIFIED_CFLAGS)
])
dnl JE_CFLAGS_SAVE()
dnl JE_CFLAGS_RESTORE()
dnl
dnl Save/restore CFLAGS. Nesting is not supported.
AC_DEFUN([JE_CFLAGS_SAVE],
SAVED_CONFIGURE_CFLAGS="${CONFIGURE_CFLAGS}"
)
AC_DEFUN([JE_CFLAGS_RESTORE],
CONFIGURE_CFLAGS="${SAVED_CONFIGURE_CFLAGS}"
JE_CONCAT_VVV(CFLAGS, CONFIGURE_CFLAGS, SPECIFIED_CFLAGS)
)
CONFIGURE_CXXFLAGS=
SPECIFIED_CXXFLAGS="${CXXFLAGS}"
dnl JE_CXXFLAGS_ADD(cxxflag)
AC_DEFUN([JE_CXXFLAGS_ADD],
[
AC_MSG_CHECKING([whether compiler supports $1])
T_CONFIGURE_CXXFLAGS="${CONFIGURE_CXXFLAGS}"
JE_APPEND_VS(CONFIGURE_CXXFLAGS, $1)
JE_CONCAT_VVV(CXXFLAGS, CONFIGURE_CXXFLAGS, SPECIFIED_CXXFLAGS)
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
]], [[
return 0;
]])],
[je_cv_cxxflags_added=$1]
AC_MSG_RESULT([yes]),
[je_cv_cxxflags_added=]
AC_MSG_RESULT([no])
[CONFIGURE_CXXFLAGS="${T_CONFIGURE_CXXFLAGS}"]
)
AC_LANG_POP([C++])
JE_CONCAT_VVV(CXXFLAGS, CONFIGURE_CXXFLAGS, SPECIFIED_CXXFLAGS)
])
dnl JE_COMPILABLE(label, hcode, mcode, rvar)
dnl
dnl Use AC_LINK_IFELSE() rather than AC_COMPILE_IFELSE() so that linker errors
dnl cause failure.
AC_DEFUN([JE_COMPILABLE],
[
AC_CACHE_CHECK([whether $1 is compilable],
[$4],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([$2],
[$3])],
[$4=yes],
[$4=no])])
])
dnl ============================================================================
CONFIG=`echo ${ac_configure_args} | sed -e 's#'"'"'\([^ ]*\)'"'"'#\1#g'`
AC_SUBST([CONFIG])
dnl Library revision.
rev=2
AC_SUBST([rev])
srcroot=$srcdir
if test "x${srcroot}" = "x." ; then
srcroot=""
else
srcroot="${srcroot}/"
fi
AC_SUBST([srcroot])
abs_srcroot="`cd \"${srcdir}\"; pwd`/"
AC_SUBST([abs_srcroot])
objroot=""
AC_SUBST([objroot])
abs_objroot="`pwd`/"
AC_SUBST([abs_objroot])
dnl Munge install path variables.
if test "x$prefix" = "xNONE" ; then
prefix="/usr/local"
fi
if test "x$exec_prefix" = "xNONE" ; then
exec_prefix=$prefix
fi
PREFIX=$prefix
AC_SUBST([PREFIX])
BINDIR=`eval echo $bindir`
BINDIR=`eval echo $BINDIR`
AC_SUBST([BINDIR])
INCLUDEDIR=`eval echo $includedir`
INCLUDEDIR=`eval echo $INCLUDEDIR`
AC_SUBST([INCLUDEDIR])
LIBDIR=`eval echo $libdir`
LIBDIR=`eval echo $LIBDIR`
AC_SUBST([LIBDIR])
DATADIR=`eval echo $datadir`
DATADIR=`eval echo $DATADIR`
AC_SUBST([DATADIR])
MANDIR=`eval echo $mandir`
MANDIR=`eval echo $MANDIR`
AC_SUBST([MANDIR])
dnl Support for building documentation.
AC_PATH_PROG([XSLTPROC], [xsltproc], [false], [$PATH])
if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then
DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl"
elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then
DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets"
else
dnl Documentation building will fail if this default gets used.
DEFAULT_XSLROOT=""
fi
AC_ARG_WITH([xslroot],
[AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], [
if test "x$with_xslroot" = "xno" ; then
XSLROOT="${DEFAULT_XSLROOT}"
else
XSLROOT="${with_xslroot}"
fi
],
XSLROOT="${DEFAULT_XSLROOT}"
)
if test "x$XSLTPROC" = "xfalse" ; then
XSLROOT=""
fi
AC_SUBST([XSLROOT])
dnl If CFLAGS isn't defined, set CFLAGS to something reasonable. Otherwise,
dnl just prevent autoconf from molesting CFLAGS.
CFLAGS=$CFLAGS
AC_PROG_CC
if test "x$GCC" != "xyes" ; then
AC_CACHE_CHECK([whether compiler is MSVC],
[je_cv_msvc],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[
#ifndef _MSC_VER
int fail[-1];
#endif
])],
[je_cv_msvc=yes],
[je_cv_msvc=no])])
fi
dnl check if a cray prgenv wrapper compiler is being used
je_cv_cray_prgenv_wrapper=""
if test "x${PE_ENV}" != "x" ; then
case "${CC}" in
CC|cc)
je_cv_cray_prgenv_wrapper="yes"
;;
*)
;;
esac
fi
AC_CACHE_CHECK([whether compiler is cray],
[je_cv_cray],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[
#ifndef _CRAYC
int fail[-1];
#endif
])],
[je_cv_cray=yes],
[je_cv_cray=no])])
if test "x${je_cv_cray}" = "xyes" ; then
AC_CACHE_CHECK([whether cray compiler version is 8.4],
[je_cv_cray_84],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[
#if !(_RELEASE_MAJOR == 8 && _RELEASE_MINOR == 4)
int fail[-1];
#endif
])],
[je_cv_cray_84=yes],
[je_cv_cray_84=no])])
fi
if test "x$GCC" = "xyes" ; then
JE_CFLAGS_ADD([-std=gnu11])
if test "x$je_cv_cflags_added" = "x-std=gnu11" ; then
AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT])
else
JE_CFLAGS_ADD([-std=gnu99])
if test "x$je_cv_cflags_added" = "x-std=gnu99" ; then
AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT])
fi
fi
JE_CFLAGS_ADD([-Wall])
JE_CFLAGS_ADD([-Wextra])
JE_CFLAGS_ADD([-Wshorten-64-to-32])
JE_CFLAGS_ADD([-Wsign-compare])
JE_CFLAGS_ADD([-Wundef])
JE_CFLAGS_ADD([-Wno-format-zero-length])
JE_CFLAGS_ADD([-Wpointer-arith])
dnl This warning triggers on the use of the universal zero initializer, which
dnl is a very handy idiom for things like the tcache static initializer (which
dnl has lots of nested structs). See the discussion at.
dnl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119
JE_CFLAGS_ADD([-Wno-missing-braces])
dnl This one too.
JE_CFLAGS_ADD([-Wno-missing-field-initializers])
JE_CFLAGS_ADD([-pipe])
JE_CFLAGS_ADD([-g3])
elif test "x$je_cv_msvc" = "xyes" ; then
CC="$CC -nologo"
JE_CFLAGS_ADD([-Zi])
JE_CFLAGS_ADD([-MT])
JE_CFLAGS_ADD([-W3])
JE_CFLAGS_ADD([-FS])
JE_APPEND_VS(CPPFLAGS, -I${srcdir}/include/msvc_compat)
fi
if test "x$je_cv_cray" = "xyes" ; then
dnl cray compiler 8.4 has an inlining bug
if test "x$je_cv_cray_84" = "xyes" ; then
JE_CFLAGS_ADD([-hipa2])
JE_CFLAGS_ADD([-hnognu])
fi
dnl ignore unreachable code warning
JE_CFLAGS_ADD([-hnomessage=128])
dnl ignore redefinition of "malloc", "free", etc warning
JE_CFLAGS_ADD([-hnomessage=1357])
fi
AC_SUBST([CONFIGURE_CFLAGS])
AC_SUBST([SPECIFIED_CFLAGS])
AC_SUBST([EXTRA_CFLAGS])
AC_PROG_CPP
AC_ARG_ENABLE([cxx],
[AS_HELP_STRING([--disable-cxx], [Disable C++ integration])],
if test "x$enable_cxx" = "xno" ; then
enable_cxx="0"
else
enable_cxx="1"
fi
,
enable_cxx="1"
)
if test "x$enable_cxx" = "x1" ; then
dnl Require at least c++14, which is the first version to support sized
dnl deallocation. C++ support is not compiled otherwise.
m4_include([m4/ax_cxx_compile_stdcxx.m4])
AX_CXX_COMPILE_STDCXX([17], [noext], [optional])
if test "x${HAVE_CXX17}" != "x1"; then
AX_CXX_COMPILE_STDCXX([14], [noext], [optional])
fi
if test "x${HAVE_CXX14}" = "x1" -o "x${HAVE_CXX17}" = "x1"; then
JE_CXXFLAGS_ADD([-Wall])
JE_CXXFLAGS_ADD([-Wextra])
JE_CXXFLAGS_ADD([-g3])
SAVED_LIBS="${LIBS}"
JE_APPEND_VS(LIBS, -lstdc++)
JE_COMPILABLE([libstdc++ linkage], [
#include <stdlib.h>
], [[
int *arr = (int *)malloc(sizeof(int) * 42);
if (arr == NULL)
return 1;
]], [je_cv_libstdcxx])
if test "x${je_cv_libstdcxx}" = "xno" ; then
LIBS="${SAVED_LIBS}"
fi
else
enable_cxx="0"
fi
fi
AC_SUBST([enable_cxx])
AC_SUBST([CONFIGURE_CXXFLAGS])
AC_SUBST([SPECIFIED_CXXFLAGS])
AC_SUBST([EXTRA_CXXFLAGS])
AC_C_BIGENDIAN([ac_cv_big_endian=1], [ac_cv_big_endian=0])
if test "x${ac_cv_big_endian}" = "x1" ; then
AC_DEFINE_UNQUOTED([JEMALLOC_BIG_ENDIAN], [ ])
fi
if test "x${je_cv_msvc}" = "xyes" -a "x${ac_cv_header_inttypes_h}" = "xno"; then
JE_APPEND_VS(CPPFLAGS, -I${srcdir}/include/msvc_compat/C99)
fi
if test "x${je_cv_msvc}" = "xyes" ; then
LG_SIZEOF_PTR=LG_SIZEOF_PTR_WIN
AC_MSG_RESULT([Using a predefined value for sizeof(void *): 4 for 32-bit, 8 for 64-bit])
else
AC_CHECK_SIZEOF([void *])
if test "x${ac_cv_sizeof_void_p}" = "x8" ; then
LG_SIZEOF_PTR=3
elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then
LG_SIZEOF_PTR=2
else
AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}])
fi
fi
AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR])
AC_CHECK_SIZEOF([int])
if test "x${ac_cv_sizeof_int}" = "x8" ; then
LG_SIZEOF_INT=3
elif test "x${ac_cv_sizeof_int}" = "x4" ; then
LG_SIZEOF_INT=2
else
AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}])
fi
AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT])
AC_CHECK_SIZEOF([long])
if test "x${ac_cv_sizeof_long}" = "x8" ; then
LG_SIZEOF_LONG=3
elif test "x${ac_cv_sizeof_long}" = "x4" ; then
LG_SIZEOF_LONG=2
else
AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}])
fi
AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG])
AC_CHECK_SIZEOF([long long])
if test "x${ac_cv_sizeof_long_long}" = "x8" ; then
LG_SIZEOF_LONG_LONG=3
elif test "x${ac_cv_sizeof_long_long}" = "x4" ; then
LG_SIZEOF_LONG_LONG=2
else
AC_MSG_ERROR([Unsupported long long size: ${ac_cv_sizeof_long_long}])
fi
AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG_LONG], [$LG_SIZEOF_LONG_LONG])
AC_CHECK_SIZEOF([intmax_t])
if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then
LG_SIZEOF_INTMAX_T=4
elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then
LG_SIZEOF_INTMAX_T=3
elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then
LG_SIZEOF_INTMAX_T=2
else
AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}])
fi
AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T])
AC_CANONICAL_HOST
dnl CPU-specific settings.
CPU_SPINWAIT=""
case "${host_cpu}" in
i686|x86_64)
HAVE_CPU_SPINWAIT=1
if test "x${je_cv_msvc}" = "xyes" ; then
AC_CACHE_VAL([je_cv_pause_msvc],
[JE_COMPILABLE([pause instruction MSVC], [],
[[_mm_pause(); return 0;]],
[je_cv_pause_msvc])])
if test "x${je_cv_pause_msvc}" = "xyes" ; then
CPU_SPINWAIT='_mm_pause()'
fi
else
AC_CACHE_VAL([je_cv_pause],
[JE_COMPILABLE([pause instruction], [],
[[__asm__ volatile("pause"); return 0;]],
[je_cv_pause])])
if test "x${je_cv_pause}" = "xyes" ; then
CPU_SPINWAIT='__asm__ volatile("pause")'
fi
fi
;;
aarch64|arm*)
HAVE_CPU_SPINWAIT=1
AC_CACHE_VAL([je_cv_yield],
[JE_COMPILABLE([yield instruction], [],
[[__asm__ volatile("yield"); return 0;]],
[je_cv_yield])])
if test "x${je_cv_yield}" = "xyes" ; then
CPU_SPINWAIT='__asm__ volatile("yield")'
fi
;;
*)
HAVE_CPU_SPINWAIT=0
;;
esac
AC_DEFINE_UNQUOTED([HAVE_CPU_SPINWAIT], [$HAVE_CPU_SPINWAIT])
AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
AC_ARG_WITH([lg_vaddr],
[AS_HELP_STRING([--with-lg-vaddr=<lg-vaddr>], [Number of significant virtual address bits])],
[LG_VADDR="$with_lg_vaddr"], [LG_VADDR="detect"])
case "${host_cpu}" in
aarch64)
if test "x$LG_VADDR" = "xdetect"; then
AC_MSG_CHECKING([number of significant virtual address bits])
if test "x${LG_SIZEOF_PTR}" = "x2" ; then
#aarch64 ILP32
LG_VADDR=32
else
#aarch64 LP64
LG_VADDR=48
fi
AC_MSG_RESULT([$LG_VADDR])
fi
;;
x86_64)
if test "x$LG_VADDR" = "xdetect"; then
AC_CACHE_CHECK([number of significant virtual address bits],
[je_cv_lg_vaddr],
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
#include <stdio.h>
#ifdef _WIN32
#include <limits.h>
#include <intrin.h>
typedef unsigned __int32 uint32_t;
#else
#include <stdint.h>
#endif
]], [[
uint32_t r[[4]];
uint32_t eax_in = 0x80000008U;
#ifdef _WIN32
__cpuid((int *)r, (int)eax_in);
#else
asm volatile ("cpuid"
: "=a" (r[[0]]), "=b" (r[[1]]), "=c" (r[[2]]), "=d" (r[[3]])
: "a" (eax_in), "c" (0)
);
#endif
uint32_t eax_out = r[[0]];
uint32_t vaddr = ((eax_out & 0x0000ff00U) >> 8);
FILE *f = fopen("conftest.out", "w");
if (f == NULL) {
return 1;
}
if (vaddr > (sizeof(void *) << 3)) {
vaddr = sizeof(void *) << 3;
}
fprintf(f, "%u", vaddr);
fclose(f);
return 0;
]])],
[je_cv_lg_vaddr=`cat conftest.out`],
[je_cv_lg_vaddr=error],
[je_cv_lg_vaddr=57]))
if test "x${je_cv_lg_vaddr}" != "x" ; then
LG_VADDR="${je_cv_lg_vaddr}"
fi
if test "x${LG_VADDR}" != "xerror" ; then
AC_DEFINE_UNQUOTED([LG_VADDR], [$LG_VADDR])
else
AC_MSG_ERROR([cannot determine number of significant virtual address bits])
fi
fi
;;
*)
if test "x$LG_VADDR" = "xdetect"; then
AC_MSG_CHECKING([number of significant virtual address bits])
if test "x${LG_SIZEOF_PTR}" = "x3" ; then
LG_VADDR=64
elif test "x${LG_SIZEOF_PTR}" = "x2" ; then
LG_VADDR=32
elif test "x${LG_SIZEOF_PTR}" = "xLG_SIZEOF_PTR_WIN" ; then
LG_VADDR="(1U << (LG_SIZEOF_PTR_WIN+3))"
else
AC_MSG_ERROR([Unsupported lg(pointer size): ${LG_SIZEOF_PTR}])
fi
AC_MSG_RESULT([$LG_VADDR])
fi
;;
esac
AC_DEFINE_UNQUOTED([LG_VADDR], [$LG_VADDR])
LD_PRELOAD_VAR="LD_PRELOAD"
so="so"
importlib="${so}"
o="$ac_objext"
a="a"
exe="$ac_exeext"
libprefix="lib"
link_whole_archive="0"
DSO_LDFLAGS='-shared -Wl,-soname,$(@F)'
RPATH='-Wl,-rpath,$(1)'
SOREV="${so}.${rev}"
PIC_CFLAGS='-fPIC -DPIC'
CTARGET='-o $@'
LDTARGET='-o $@'
TEST_LD_MODE=
EXTRA_LDFLAGS=
ARFLAGS='crus'
AROUT=' $@'
CC_MM=1
if test "x$je_cv_cray_prgenv_wrapper" = "xyes" ; then
TEST_LD_MODE='-dynamic'
fi
if test "x${je_cv_cray}" = "xyes" ; then
CC_MM=
fi
AN_MAKEVAR([AR], [AC_PROG_AR])
AN_PROGRAM([ar], [AC_PROG_AR])
AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)])
AC_PROG_AR
AN_MAKEVAR([NM], [AC_PROG_NM])
AN_PROGRAM([nm], [AC_PROG_NM])
AC_DEFUN([AC_PROG_NM], [AC_CHECK_TOOL(NM, nm, :)])
AC_PROG_NM
AC_PROG_AWK
dnl ============================================================================
dnl jemalloc version.
dnl
AC_ARG_WITH([version],
[AS_HELP_STRING([--with-version=<major>.<minor>.<bugfix>-<nrev>-g<gid>],
[Version string])],
[
echo "${with_version}" | grep ['^[0-9]\+\.[0-9]\+\.[0-9]\+-[0-9]\+-g[0-9a-f]\+$'] 2>&1 1>/dev/null
if test $? -eq 0 ; then
echo "$with_version" > "${objroot}VERSION"
else
echo "${with_version}" | grep ['^VERSION$'] 2>&1 1>/dev/null
if test $? -ne 0 ; then
AC_MSG_ERROR([${with_version} does not match <major>.<minor>.<bugfix>-<nrev>-g<gid> or VERSION])
fi
fi
], [
dnl Set VERSION if source directory is inside a git repository.
if test "x`test ! \"${srcroot}\" && cd \"${srcroot}\"; git rev-parse --is-inside-work-tree 2>/dev/null`" = "xtrue" ; then
dnl Pattern globs aren't powerful enough to match both single- and
dnl double-digit version numbers, so iterate over patterns to support up
dnl to version 99.99.99 without any accidental matches.
for pattern in ['[0-9].[0-9].[0-9]' '[0-9].[0-9].[0-9][0-9]' \
'[0-9].[0-9][0-9].[0-9]' '[0-9].[0-9][0-9].[0-9][0-9]' \
'[0-9][0-9].[0-9].[0-9]' '[0-9][0-9].[0-9].[0-9][0-9]' \
'[0-9][0-9].[0-9][0-9].[0-9]' \
'[0-9][0-9].[0-9][0-9].[0-9][0-9]']; do
(test ! "${srcroot}" && cd "${srcroot}"; git describe --long --abbrev=40 --match="${pattern}") > "${objroot}VERSION.tmp" 2>/dev/null
if test $? -eq 0 ; then
mv "${objroot}VERSION.tmp" "${objroot}VERSION"
break
fi
done
fi
rm -f "${objroot}VERSION.tmp"
])
if test ! -e "${objroot}VERSION" ; then
if test ! -e "${srcroot}VERSION" ; then
AC_MSG_RESULT(
[Missing VERSION file, and unable to generate it; creating bogus VERSION])
echo "0.0.0-0-g000000missing_version_try_git_fetch_tags" > "${objroot}VERSION"
else
cp ${srcroot}VERSION ${objroot}VERSION
fi
fi
jemalloc_version=`cat "${objroot}VERSION"`
jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'`
jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'`
jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'`
jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'`
jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'`
AC_SUBST([jemalloc_version])
AC_SUBST([jemalloc_version_major])
AC_SUBST([jemalloc_version_minor])
AC_SUBST([jemalloc_version_bugfix])
AC_SUBST([jemalloc_version_nrev])
AC_SUBST([jemalloc_version_gid])
dnl Platform-specific settings. abi and RPATH can probably be determined
dnl programmatically, but doing so is error-prone, which makes it generally
dnl not worth the trouble.
dnl
dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the
dnl definitions need to be seen before any headers are included, which is a pain
dnl to make happen otherwise.
default_retain="0"
maps_coalesce="1"
DUMP_SYMS="${NM} -a"
SYM_PREFIX=""
case "${host}" in
*-*-darwin* | *-*-ios*)
abi="macho"
RPATH=""
LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES"
so="dylib"
importlib="${so}"
force_tls="0"
DSO_LDFLAGS='-shared -Wl,-install_name,$(LIBDIR)/$(@F)'
SOREV="${rev}.${so}"
sbrk_deprecated="1"
SYM_PREFIX="_"
;;
*-*-freebsd*)
abi="elf"
AC_DEFINE([JEMALLOC_SYSCTL_VM_OVERCOMMIT], [ ])
force_lazy_lock="1"
;;
*-*-dragonfly*)
abi="elf"
;;
*-*-openbsd*)
abi="elf"
force_tls="0"
;;
*-*-bitrig*)
abi="elf"
;;
*-*-linux-android)
dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE.
JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE)
abi="elf"
AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS], [ ])
AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ])
AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
AC_DEFINE([JEMALLOC_C11_ATOMICS])
force_tls="0"
if test "${LG_SIZEOF_PTR}" = "3"; then
default_retain="1"
fi
;;
*-*-linux*)
dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE.
JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE)
abi="elf"
AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS], [ ])
AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ])
AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ])
if test "${LG_SIZEOF_PTR}" = "3"; then
default_retain="1"
fi
;;
*-*-kfreebsd*)
dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE.
JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE)
abi="elf"
AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
AC_DEFINE([JEMALLOC_SYSCTL_VM_OVERCOMMIT], [ ])
AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ])
;;
*-*-netbsd*)
AC_MSG_CHECKING([ABI])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#ifdef __ELF__
/* ELF */
#else
#error aout
#endif
]])],
[abi="elf"],
[abi="aout"])
AC_MSG_RESULT([$abi])
;;
*-*-solaris2*)
abi="elf"
RPATH='-Wl,-R,$(1)'
dnl Solaris needs this for sigwait().
JE_APPEND_VS(CPPFLAGS, -D_POSIX_PTHREAD_SEMANTICS)
JE_APPEND_VS(LIBS, -lposix4 -lsocket -lnsl)
;;
*-ibm-aix*)
if test "${LG_SIZEOF_PTR}" = "3"; then
dnl 64bit AIX
LD_PRELOAD_VAR="LDR_PRELOAD64"
else
dnl 32bit AIX
LD_PRELOAD_VAR="LDR_PRELOAD"
fi
abi="xcoff"
;;
*-*-mingw* | *-*-cygwin*)
abi="pecoff"
force_tls="0"
maps_coalesce="0"
RPATH=""
so="dll"
if test "x$je_cv_msvc" = "xyes" ; then
importlib="lib"
DSO_LDFLAGS="-LD"
EXTRA_LDFLAGS="-link -DEBUG"
CTARGET='-Fo$@'
LDTARGET='-Fe$@'
AR='lib'
ARFLAGS='-nologo -out:'
AROUT='$@'
CC_MM=
else
importlib="${so}"
DSO_LDFLAGS="-shared"
link_whole_archive="1"
fi
case "${host}" in
*-*-cygwin*)
DUMP_SYMS="dumpbin /SYMBOLS"
;;
*)
;;
esac
a="lib"
libprefix=""
SOREV="${so}"
PIC_CFLAGS=""
if test "${LG_SIZEOF_PTR}" = "3"; then
default_retain="1"
fi
;;
*)
AC_MSG_RESULT([Unsupported operating system: ${host}])
abi="elf"
;;
esac
JEMALLOC_USABLE_SIZE_CONST=const
AC_CHECK_HEADERS([malloc.h], [
AC_MSG_CHECKING([whether malloc_usable_size definition can use const argument])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include <malloc.h>
#include <stddef.h>
size_t malloc_usable_size(const void *ptr);
],
[])],[
AC_MSG_RESULT([yes])
],[
JEMALLOC_USABLE_SIZE_CONST=
AC_MSG_RESULT([no])
])
])
AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST])
AC_SUBST([abi])
AC_SUBST([RPATH])
AC_SUBST([LD_PRELOAD_VAR])
AC_SUBST([so])
AC_SUBST([importlib])
AC_SUBST([o])
AC_SUBST([a])
AC_SUBST([exe])
AC_SUBST([libprefix])
AC_SUBST([link_whole_archive])
AC_SUBST([DSO_LDFLAGS])
AC_SUBST([EXTRA_LDFLAGS])
AC_SUBST([SOREV])
AC_SUBST([PIC_CFLAGS])
AC_SUBST([CTARGET])
AC_SUBST([LDTARGET])
AC_SUBST([TEST_LD_MODE])
AC_SUBST([MKLIB])
AC_SUBST([ARFLAGS])
AC_SUBST([AROUT])
AC_SUBST([DUMP_SYMS])
AC_SUBST([CC_MM])
dnl Determine whether libm must be linked to use e.g. log(3).
AC_SEARCH_LIBS([log], [m], , [AC_MSG_ERROR([Missing math functions])])
if test "x$ac_cv_search_log" != "xnone required" ; then
LM="$ac_cv_search_log"
else
LM=
fi
AC_SUBST(LM)
JE_COMPILABLE([__attribute__ syntax],
[static __attribute__((unused)) void foo(void){}],
[],
[je_cv_attribute])
if test "x${je_cv_attribute}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then
JE_CFLAGS_ADD([-fvisibility=hidden])
JE_CXXFLAGS_ADD([-fvisibility=hidden])
fi
fi
dnl Check for tls_model attribute support (clang 3.0 still lacks support).
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Werror])
JE_CFLAGS_ADD([-herror_on_warning])
JE_COMPILABLE([tls_model attribute], [],
[static __thread int
__attribute__((tls_model("initial-exec"), unused)) foo;
foo = 0;],
[je_cv_tls_model])
JE_CFLAGS_RESTORE()
dnl (Setting of JEMALLOC_TLS_MODEL is done later, after we've checked for
dnl --disable-initial-exec-tls)
dnl Check for alloc_size attribute support.
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Werror])
JE_CFLAGS_ADD([-herror_on_warning])
JE_COMPILABLE([alloc_size attribute], [#include <stdlib.h>],
[void *foo(size_t size) __attribute__((alloc_size(1)));],
[je_cv_alloc_size])
JE_CFLAGS_RESTORE()
if test "x${je_cv_alloc_size}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_ALLOC_SIZE], [ ])
fi
dnl Check for format(gnu_printf, ...) attribute support.
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Werror])
JE_CFLAGS_ADD([-herror_on_warning])
JE_COMPILABLE([format(gnu_printf, ...) attribute], [#include <stdlib.h>],
[void *foo(const char *format, ...) __attribute__((format(gnu_printf, 1, 2)));],
[je_cv_format_gnu_printf])
JE_CFLAGS_RESTORE()
if test "x${je_cv_format_gnu_printf}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF], [ ])
fi
dnl Check for format(printf, ...) attribute support.
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Werror])
JE_CFLAGS_ADD([-herror_on_warning])
JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>],
[void *foo(const char *format, ...) __attribute__((format(printf, 1, 2)));],
[je_cv_format_printf])
JE_CFLAGS_RESTORE()
if test "x${je_cv_format_printf}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_PRINTF], [ ])
fi
dnl Check for format_arg(...) attribute support.
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Werror])
JE_CFLAGS_ADD([-herror_on_warning])
JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>],
[const char * __attribute__((__format_arg__(1))) foo(const char *format);],
[je_cv_format_arg])
JE_CFLAGS_RESTORE()
if test "x${je_cv_format_arg}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_ARG], [ ])
fi
dnl Check for fallthrough attribute support.
JE_CFLAGS_SAVE()
JE_CFLAGS_ADD([-Wimplicit-fallthrough])
JE_COMPILABLE([fallthrough attribute],
[#if !__has_attribute(fallthrough)
#error "foo"
#endif],
[int x = 0;
switch (x) {
case 0: __attribute__((__fallthrough__));
case 1: return 1;
}],
[je_cv_fallthrough])
JE_CFLAGS_RESTORE()
if test "x${je_cv_fallthrough}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_ATTR_FALLTHROUGH], [ ])
JE_CFLAGS_ADD([-Wimplicit-fallthrough])
JE_CXXFLAGS_ADD([-Wimplicit-fallthrough])
fi
dnl Support optional additions to rpath.
AC_ARG_WITH([rpath],
[AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])],
if test "x$with_rpath" = "xno" ; then
RPATH_EXTRA=
else
RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`"
fi,
RPATH_EXTRA=
)
AC_SUBST([RPATH_EXTRA])
dnl Disable rules that do automatic regeneration of configure output by default.
AC_ARG_ENABLE([autogen],
[AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])],
if test "x$enable_autogen" = "xno" ; then
enable_autogen="0"
else
enable_autogen="1"
fi
,
enable_autogen="0"
)
AC_SUBST([enable_autogen])
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_PATH_PROG([LD], [ld], [false], [$PATH])
AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH])
dnl Enable documentation
AC_ARG_ENABLE([doc],
[AS_HELP_STRING([--enable-documentation], [Build documentation])],
if test "x$enable_doc" = "xno" ; then
enable_doc="0"
else
enable_doc="1"
fi
,
enable_doc="1"
)
AC_SUBST([enable_doc])
dnl Enable shared libs
AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--enable-shared], [Build shared libaries])],
if test "x$enable_shared" = "xno" ; then
enable_shared="0"
else
enable_shared="1"
fi
,
enable_shared="1"
)
AC_SUBST([enable_shared])
dnl Enable static libs
AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static], [Build static libaries])],
if test "x$enable_static" = "xno" ; then
enable_static="0"
else
enable_static="1"
fi
,
enable_static="1"
)
AC_SUBST([enable_static])
if test "$enable_shared$enable_static" = "00" ; then
AC_MSG_ERROR([Please enable one of shared or static builds])
fi
dnl Perform no name mangling by default.
AC_ARG_WITH([mangling],
[AS_HELP_STRING([--with-mangling=<map>], [Mangle symbols in <map>])],
[mangling_map="$with_mangling"], [mangling_map=""])
dnl Do not prefix public APIs by default.
AC_ARG_WITH([jemalloc_prefix],
[AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])],
[JEMALLOC_PREFIX="$with_jemalloc_prefix"],
[if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then
JEMALLOC_PREFIX=""
else
JEMALLOC_PREFIX="je_"
fi]
)
if test "x$JEMALLOC_PREFIX" = "x" ; then
AC_DEFINE([JEMALLOC_IS_MALLOC])
else