forked from HerculesWS/Hercules
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathconfigure.ac
2021 lines (1846 loc) · 43.7 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
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
# This file is part of Hercules.
# http://herc.ws - http://github.com/HerculesWS/Hercules
#
# Copyright (C) 2012-2020 Hercules Dev Team
# Copyright (C) Athena Dev Teams
#
# Hercules is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
AC_INIT(Hercules)
AC_REVISION([m4_esyscmd_s([type git >/dev/null 2>&1 && git describe --always 2>/dev/null || echo '(unknown version)'])])
AC_PREREQ([2.59])
AC_CONFIG_SRCDIR([src/common/cbasetypes.h])
AC_CONFIG_FILES([Makefile src/common/Makefile])
AC_CONFIG_FILES([3rdparty/mt19937ar/Makefile 3rdparty/libconfig/Makefile 3rdparty/libbacktrace/Makefile 3rdparty/libbacktrace/backtrace-supported.h])
AC_CONFIG_FILES([src/char/Makefile src/login/Makefile])
AC_CONFIG_FILES([src/map/Makefile src/plugins/Makefile])
AC_CONFIG_FILES([src/test/Makefile])
AC_CONFIG_FILES([tools/HPMHookGen/Makefile])
AC_CONFIG_FILES([tools/doxygen/Makefile])
dnl AC_USE_SYSTEM_EXTENSIONS requires autoconf 2.60 or newer. Fall back to AC_GNU_SOURCE otherwise.
m4_ifdef([AC_USE_SYSTEM_EXTENSIONS],
[AC_USE_SYSTEM_EXTENSIONS],
[AC_GNU_SOURCE]
)
AC_MSG_CHECKING([host OS])
host_os="`uname`"
AC_MSG_RESULT([$host_os])
# Root-check
case $host_os in
CYGWIN*)
;;
*)
if type id >/dev/null 2>&1 && test -z "$CI"; then
euid="`id -u`"
if test "$euid" == "0"; then
echo ""
echo "********************************************************************************"
echo '* W A R N I N G /!\ *'
echo "********************************************************************************"
echo "* It appears that you're planning to run Hercules with root privileges. That's *"
echo "* not necessary, nor recommended, and it may open your machine to unnecessary *"
echo "* security risks. You should never ever run software as root unless it *"
echo "* requires the extra privileges (which Hercules does not.) *"
echo "* *"
echo "* More info: *"
echo "* http://www.tldp.org/HOWTO/Security-HOWTO/local-security.html *"
echo "* https://wiki.debian.org/sudo *"
echo "* http://wiki.centos.org/TipsAndTricks/BecomingRoot *"
echo "* http://fedoraproject.org/wiki/Configuring_Sudo *"
echo "* https://help.ubuntu.com/community/RootSudo *"
echo "* http://www.freebsdwiki.net/index.php/Root *"
echo "* *"
echo "* If your service provider forces (or encourages) you to run server software *"
echo "* as root, please complain to them. It is a very bad idea. *"
echo "********************************************************************************"
echo "Execution will be paused for 60 seconds... Press Ctrl-C now if you wish to stop."
for j in 1 2 3 4 5 6; do
for i in 1 2 3 4 5 6 7 8 9 10; do
printf "\a. "
sleep 1
done
echo ""
done
echo ""
echo "Resuming as root. If anything breaks, you'll get to keep the pieces."
sleep 2
fi
fi
;;
esac
#
# Memory managers
#
AC_ARG_ENABLE(
[manager],
AC_HELP_STRING(
[--enable-manager=ARG],
[memory managers: no, builtin, memwatch, dmalloc, gcollect, bcheck (defaults to builtin)]
),
[
enable_manager="$enableval"
case $enableval in
"no");;
"builtin");;
"memwatch");;
"dmalloc");;
"gcollect");;
"bcheck");;
*) AC_MSG_ERROR([[unknown memory manager '$enableval'... stopping]]);;
esac
],
[enable_manager="builtin"]
)
#
# packetver
#
AC_ARG_ENABLE(
[packetver],
AC_HELP_STRING(
[--enable-packetver=ARG],
[Sets the PACKETVER define. (see src/common/mmo.h)]
),
[enable_packetver="$enableval"],
[enable_packetver=""]
)
#
# packetver-RE
#
AC_ARG_ENABLE(
[packetver-re],
AC_HELP_STRING(
[--enable-packetver-re],
[Sets or unsets the PACKETVER_RE define - see src/common/mmo.h (currently disabled by default)]
),
[
enable_packetver_re="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-packetver-re=$enableval... stopping]]);;
esac
],
[enable_packetver_re="no"]
)
#
# packetver-Zero
#
AC_ARG_ENABLE(
[packetver-zero],
AC_HELP_STRING(
[--enable-packetver-zero],
[Sets or unsets the PACKETVER_ZERO define - see src/common/mmo.h (currently disabled by default)]
),
[
enable_packetver_zero="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-packetver-zero=$enableval... stopping]]);;
esac
],
[enable_packetver_zero="no"]
)
#
# packetver-Sak
#
AC_ARG_ENABLE(
[packetver-sak],
AC_HELP_STRING(
[--enable-packetver-sak],
[Sets or unsets the PACKETVER_SAK define - see src/common/mmo.h (currently disabled by default)]
),
[
enable_packetver_sak="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-packetver-sak=$enableval... stopping]]);;
esac
],
[enable_packetver_sak="no"]
)
#
# packetver-Ad
#
AC_ARG_ENABLE(
[packetver-ad],
AC_HELP_STRING(
[--enable-packetver-ad],
[Sets or unsets the PACKETVER_AD define - see src/common/mmo.h (currently disabled by default)]
),
[
enable_packetver_ad="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-packetver-ad=$enableval... stopping]]);;
esac
],
[enable_packetver_ad="no"]
)
#
# Epoll
#
AC_ARG_ENABLE([epoll],
[AS_HELP_STRING([--enable-epoll],[use epoll(4) on Linux])],
[enable_epoll=$enableval],
[enable_epoll=no]
)
if test x$enable_epoll = xno; then
have_linux_epoll=no
else
AC_MSG_CHECKING([for Linux epoll(4)])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[
#ifndef __linux__
#error This is not Linux
#endif
#include <sys/epoll.h>
],
[epoll_create1 (EPOLL_CLOEXEC);])],
[have_linux_epoll=yes],
[have_linux_epoll=no]
)
AC_MSG_RESULT([$have_linux_epoll])
fi
if test x$enable_epoll,$have_linux_epoll = xyes,no; then
AC_MSG_ERROR([epoll support explicitly enabled but not available])
fi
#
# Obfuscation keys
#
AC_ARG_WITH(
[key1],
AC_HELP_STRING(
[--with-key1@<:@=ARG@:>@],
[Set the first obfuscation key (ignored unless the other two are also specified)]
),
[
obfuscationkey1="$( expr "0x$withval" : '0*x*\(0x@<:@A-Fa-f0-9@:>@\{8\}\)' )"
if ! expr "x$obfuscationkey1" : 'x0x@<:@A-Fa-f0-9@:>@\{8\}' >/dev/null 2>&1; then
obfuscationkey1=""
fi
],
[
obfuscationkey1=""
]
)
AC_ARG_WITH(
[key2],
AC_HELP_STRING(
[--with-key2@<:@=ARG@:>@],
[Set the second obfuscation key (ignored unless the other two are also specified)]
),
[
obfuscationkey2="$( expr "0x$withval" : '0*x*\(0x@<:@A-Fa-f0-9@:>@\{8\}\)' )"
if ! expr "x$obfuscationkey2" : 'x0x@<:@A-Fa-f0-9@:>@\{8\}' >/dev/null 2>&1; then
obfuscationkey2=""
fi
],
[
obfuscationkey2=""
]
)
AC_ARG_WITH(
[key3],
AC_HELP_STRING(
[--with-key3@<:@=ARG@:>@],
[Set the third obfuscation key (ignored unless the other two are also specified)]
),
[
obfuscationkey3="$( expr "0x$withval" : '0*x*\(0x@<:@A-Fa-f0-9@:>@\{8\}\)' )"
if ! expr "x$obfuscationkey3" : 'x0x@<:@A-Fa-f0-9@:>@\{8\}' >/dev/null 2>&1; then
obfuscationkey3=""
fi
],
[
obfuscationkey3=""
]
)
#
# debug
#
AC_ARG_ENABLE(
[debug],
AC_HELP_STRING(
[--enable-debug@<:@=ARG@:>@],
[
Compiles extra debug code. (yes by default)
(available options: yes, no, gdb)
]
),
[
enable_debug="$enableval"
case $enableval in
"no");;
"yes");;
"gdb");;
*) AC_MSG_ERROR([[invalid argument --enable-debug=$enableval... stopping]]);;
esac
],
[enable_debug="yes"]
)
#
# libbacktrace
#
AC_ARG_ENABLE(
[libbacktrace],
AC_HELP_STRING(
[--enable-libbacktrace@<:@=ARG@:>@],
[
Compiles with libbacktrace. (no by default - experimental)
]
),
[
enable_libbacktrace="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-libbacktrace=$enableval... stopping]]);;
esac
],
[
case $host_os in
Linux* )
enable_libbacktrace="yes"
;;
*)
enable_libbacktrace="no"
;;
esac
]
)
#
# Buildbot
#
AC_ARG_ENABLE(
[buildbot],
AC_HELP_STRING(
[--enable-buildbot@<:@=ARG@:>@],
[(available options: yes, no)]
),
[
enable_buildbot="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-buildbot=$enableval... stopping]]);;
esac
],
[enable_buildbot="no"]
)
#
# RDTSC as Tick Source
#
AC_ARG_ENABLE(
[rdtsc],
AC_HELP_STRING(
[--enable-rdtsc],
[
Uses rdtsc as timing source (disabled by default)
Enable it when you've timing issues.
(For example: in conjunction with XEN or Other Virtualization mechanisms)
Note:
Please ensure that you've disabled dynamic CPU-Frequencys, such as power saving options.
(On most modern Dedicated Servers cpufreq is preconfigured, see your distribution's
manual how to disable it).
Furthermore, If your CPU has built-in CPU-Frequency scaling features (such as Intel's
SpeedStep(R)), do not enable this option. Recent CPUs (Intel Core or newer) guarantee
a fixed increment rate for their TSC, so it should be safe to use, but please doublecheck
the documentation of both your CPU and OS before enabling this option.
]
),
[
enable_rdtsc=1
],
[enable_rdtsc=0]
)
#
# Profiler
#
AC_ARG_ENABLE(
[profiler],
AC_HELP_STRING(
[--enable-profiler=ARG],
[Profilers: no, gprof (disabled by default)]
),
[
enable_profiler="$enableval"
case $enableval in
"no");;
"gprof");;
*) AC_MSG_ERROR([[invalid argument --enable-profiler=$enableval... stopping]]);;
esac
],
[enable_profiler="no"]
)
#
# 64bit
#
AC_ARG_ENABLE(
[64bit],
AC_HELP_STRING(
[--disable-64bit],
[
Enforce 32bit output on x86_64 systems.
]
),
[
enable_64bit="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-64bit=$enableval... stopping]]);;
esac
],
[enable_64bit="yes"]
)
#
# LTO
#
AC_ARG_ENABLE(
[lto],
AC_HELP_STRING(
[--enable-lto],
[
Enables or Disables Linktime Code Optimization (LTO is disabled by default)
]
),
[
enable_lto="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-lto=$enableval... stopping]]);;
esac
],
[enable_lto="no"]
)
#
# static linking
#
AC_ARG_ENABLE(
[static],
AC_HELP_STRING(
[--enable-static],
[
Enables or Disables Statick Linking (STATIC is disabled by default)
]
),
[
enable_static="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-static=$enableval... stopping]]);;
esac
],
[enable_static="no"]
)
#
# adress sanitize
#
AC_ARG_ENABLE(
[sanitize],
AC_HELP_STRING(
[--enable-sanitize@<:@=ARG@:>@],
[
Enables sanitizer. (disabled by default)
(available options: yes, no, full)
]
),
[
enable_sanitize="$enableval"
case $enableval in
"no");;
"yes");;
"full");;
*) AC_MSG_ERROR([[invalid argument --enable-sanitize=$enableval... stopping]]);;
esac
],
[enable_sanitize="no"]
)
#
# -Werror compiler flag
# It's not always possible (if at all) to pass -Werror in the CFLAGS, since
# autoconf often generates test-code that produces warnings.
# Reference: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=734104
#
AC_ARG_ENABLE(
[Werror],
AC_HELP_STRING(
[--enable-Werror],
[
Enables -Werror in the compiler flags. (disabled by default)
]
),
[
enable_Werror="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-Werror=$enableval... stopping]]);;
esac
],
[enable_Werror="no"]
)
#
# Renewal
#
AC_ARG_ENABLE(
[renewal],
AC_HELP_STRING(
[--disable-renewal],
[
Disable Ragnarok Renewal support (override settings in src/config/renewal.h)
]
),
[
enable_renewal="$enableval"
case $enableval in
"no");;
"yes");;
*) AC_MSG_ERROR([[invalid argument --enable-renewal=$enableval... stopping]]);;
esac
],
[enable_renewal="yes"]
)
#
# Optionally set the max number of network conenctions
# the core will be support
#
AC_ARG_WITH(
[maxconn],
AC_HELP_STRING(
[--with-maxconn@<:@=ARG@:>@],
[optionally set the maximum connections the core can handle (Without epoll enabled, default: 1024. With epol enabled: 3072)]
),
[
if test "$withval" != "no"; then
if ! test "$withval" -ge 0 -o "$withval" -lt 0 2>&- ; then
AC_MSG_ERROR([Invalid argument --with-maxconn=$withval ... stopping])
else
CPPFLAGS="$CPPFLAGS -DMAXCONN=$withval"
fi
fi
],
[
AC_MSG_RESULT([Use default MAXCONN value.])
]
)
#
# Optionally specify the path to mysql_config
#
AC_ARG_WITH(
[mysql],
AC_HELP_STRING(
[--with-mysql@<:@=ARG@:>@],
[optionally specify the path to the mysql_config executable]
),
[
if test "$withval" != "no" ; then
if test ! -x "$withval" ; then
AC_MSG_ERROR([$withval is not an executable file])
fi
MYSQL_CONFIG_HOME="$withval"
fi
]
)
#
# Manual MYSQL_CFLAGS (optional)
#
AC_ARG_WITH(
[MYSQL_CFLAGS],
AC_HELP_STRING(
[--with-MYSQL_CFLAGS=ARG],
[specify MYSQL_CFLAGS manually (instead of using "mysql_config --include")]
),
[
manual_MYSQL_CFLAGS="yes"
MYSQL_CFLAGS="$withval"
],
[manual_MYSQL_CFLAGS="no"]
)
#
# Manual MYSQL_LIBS (optional)
#
AC_ARG_WITH(
[MYSQL_LIBS],
AC_HELP_STRING(
[--with-MYSQL_LIBS=ARG],
[specify MYSQL_LIBS manually (instead of using "mysql_config --libs")]
),
[
manual_MYSQL_LIBS="yes"
MYSQL_LIBS="$withval"
],
[manual_MYSQL_LIBS="no"]
)
###############################################################################
# Check for programs and types.
#
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CPP
AC_PATH_PROG(AR, ar)
AC_LANG([C])
# -Wcast-qual use for check wrong casts. It cant be added by default, because some casts must be wrong.
# -Wconversion warning: conversion to 'long unsigned int' from 'int' may change the sign of the result
# -Wfloat-equal comparing floating point with == or != is unsafe
# -Wunsuffixed-float-constants float issues
# -Wpedantic different pedantic checks. Not all can be fixed in nice way.
# -Wtraditional-conversion some conversion issues
# -Wunsafe-loop-optimizations possible optimisation issues
# -Wunused-parameter -Wunused-but-set-parameter unused parameters
# -Wunused-macros unused macro warnings, but it also enable unused parameters
# -Wstrict-prototypes show warning in grammar.y
# -wdiscarded-qualifiers show different const removal
# attributes suggestion
# -Wsuggest-attribute=const -Wsuggest-attribute=format -Wsuggest-attribute=pure
# flags what can be used but now return no warnings:
# -Wchkp -Wdisabled-optimization
# -Werror-implicit-function-declaration -Wtrampolines
# -Wjump-misses-init
AC_MSG_CHECKING([whether $CC supports -std=c11])
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -std=c11"
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([int foo;])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
AC_MSG_CHECKING([whether $CC supports -std=c1x])
CFLAGS="$OLD_CFLAGS -std=c1x"
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([int foo;])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no, falling back to -std=c99])
CFLAGS="$OLD_CFLAGS -std=c99"
]
)
],
[
AC_MSG_RESULT([guessing no])
CFLAGS="$OLD_CFLAGS -std=c99"
]
)
CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wextra -Wno-sign-compare"
CPPFLAGS="$CPPFLAGS -I../common"
LDFLAGS="$LDFLAGS"
# Add /usr/local to the library and header search path, where appropriate
case `uname` in
Darwin*|*BSD*)
if test -d /usr/local/include ; then
CPPFLAGS="$CPPFLAGS -I/usr/local/include"
fi
if test -d /usr/local/lib ; then
LDFLAGS="$LDFLAGS -L/usr/local/lib"
fi
;;
esac
AC_C_BIGENDIAN(
[AC_MSG_ERROR([[bigendian is not supported... stopping]])],
,
[AC_MSG_WARN([[unable to determine endianess, only little endian is supported]])]
)
if test "$enable_64bit" = "no" ; then
AC_MSG_CHECKING([whether pointers can be stored in ints (old code)])
pointers_fit_in_ints="no"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[static int test_array[((long int)sizeof(int)) == ((long int)sizeof(void*)) ? 1 : -1];]])],
[pointers_fit_in_ints="yes"],
[]
)
if test "$pointers_fit_in_ints" = "no" ; then
CFLAGS="$CFLAGS -m32"
LDFLAGS="$LDFLAGS -m32"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[static int test_array[((long int)sizeof(int)) == ((long int)sizeof(void *)) ? 1 : -1];]])],
[pointers_fit_in_ints="yes (with -m32)"],
[]
)
fi
AC_MSG_RESULT($pointers_fit_in_ints)
if test "$pointers_fit_in_ints" = "no" ; then
AC_MSG_ERROR([pointers cannot be stored in ints, required for old code... stopping])
fi
fi
#
# check if we're producing 32bit code - so well produce binarys for at least i686 (speedup: cmovs, and cmpchg8 support)
#
AC_MSG_CHECKING([whether $CC produces 32bit code])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
int main(int argc, char **argv){
if(sizeof(void*) == 4) return 0;
else return 1;
}
])],
[
AC_MSG_RESULT([yes])
AC_MSG_CHECKING([whether $CC supports -march=i686 (and we can run it)])
OLD_CFLAGS="$CFLAGS"
OLD_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS -march=i686"
LDFLAGS="$LDFLAGS -march=i686"
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
int main(int argc, char **argv) { return 0; }
])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
],
[
AC_MSG_RESULT([guessing no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
]
)
],
[
AC_MSG_RESULT([no])
],
[
AC_MSG_RESULT([guessing no])
]
)
#
# Check if CC supports __thread attribute (Thread Local Storage)
# (Usually our OSX friends 're lacking support of it in older llvm versions ..)
#
AC_MSG_CHECKING([whether $CC supports __thread specifier (TLS)])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
__thread int g_Test = -1;
int main(int argc, char **argv){
g_Test = 0;
return g_Test;
}
])],
[
AC_MSG_RESULT([yes])
CPPFLAGS="$CPPFLAGS -DHAS_TLS"
],
[
AC_MSG_RESULT([no])
]
)
#
# Check if the linker supports/accepts -rdynamic
# Generally only needed by the ELF linker, in order to produce backtraces.
# On non-ELF platforms, some compilers (i.e. gcc < 5 and clang on OSX) are able to ignore it, others will error out.
#
OLD_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -rdynamic"
AC_MSG_CHECKING([whether $CC accepts -rdynamic])
AC_LINK_IFELSE(
[AC_LANG_SOURCE([
int main(int argc, char **argv)
{
return 0;
}
])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
LDFLAGS="$OLD_LDFLAGS"
],
[
AC_MSG_RESULT([guessing no])
]
)
#
# LTO Support test
#
if test "$enable_lto" != "no" ; then
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -flto -ffat-lto-objects -Werror"
OLD_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -flto -ffat-lto-objects"
AC_MSG_CHECKING([whether $CC supports -flto -ffat-lto-objects])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
int main(int argc, char **argv){
(void)argc;
(void)argv;
return 0;
}
])],
[
AC_MSG_RESULT([yes])
CFLAGS="$OLD_CFLAGS -flto -ffat-lto-objects"
LDFLAGS="$OLD_LDFLAGS -flto -ffat-lto-objects"
],
[
AC_MSG_RESULT([no])
CFLAGS="$OLD_CFLAGS -flto"
LDFLAGS="$OLD_LDFLAGS -flto"
AC_MSG_CHECKING([whether $CC supports -flto])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
int main(int argc, char **argv){
(void)argc;
(void)argv;
return 0;
}
])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
],
[
AC_MSG_RESULT([guessing no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
]
)
],
[
AC_MSG_RESULT([guessing no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
]
)
fi
AC_DEFUN([AC_CHECK_SANITIZER_FLAG],
[
AC_MSG_CHECKING([whether $CC supports -fsanitize=$1])
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fsanitize=$1"
OLD_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -fsanitize=$1"
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([int foo;])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
AC_MSG_CHECKING([whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=$1])
CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([int foo;])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
]
)
],
[
AC_MSG_RESULT([guessing no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
]
)
]
)
AC_DEFUN([AC_CHECK_FLAG],
[
AC_MSG_CHECKING([whether $CC supports $1])
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1"
OLD_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $1"
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([int foo;])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
],
[
AC_MSG_RESULT([guessing no])
CFLAGS="$OLD_CFLAGS"
LDFLAGS="$OLD_LDFLAGS"
]
)
]
)
#
# sanitize Support test
#
if test "$enable_sanitize" != "no" ; then
AC_CHECK_SANITIZER_FLAG(address)
if test "$enable_sanitize" == "full" ; then
# skipped because server have multiple issues: -fsanitize=alignment
AC_CHECK_SANITIZER_FLAG(shift)
AC_CHECK_SANITIZER_FLAG(integer-divide-by-zero)
AC_CHECK_SANITIZER_FLAG(unreachable)
AC_CHECK_SANITIZER_FLAG(vla-bound)
AC_CHECK_SANITIZER_FLAG(null)
AC_CHECK_SANITIZER_FLAG(return)
AC_CHECK_SANITIZER_FLAG(signed-integer-overflow)
AC_CHECK_SANITIZER_FLAG(bounds)
AC_CHECK_SANITIZER_FLAG(bounds-strict)
AC_CHECK_SANITIZER_FLAG(object-size)
AC_CHECK_SANITIZER_FLAG(float-divide-by-zero)
AC_CHECK_SANITIZER_FLAG(float-cast-overflow)
AC_CHECK_SANITIZER_FLAG(nonnull-attribute)
AC_CHECK_SANITIZER_FLAG(returns-nonnull-attribute)
AC_CHECK_SANITIZER_FLAG(bool)
AC_CHECK_SANITIZER_FLAG(enum)
AC_CHECK_SANITIZER_FLAG(vptr)
AC_CHECK_SANITIZER_FLAG(address-use-after-scope)
AC_CHECK_SANITIZER_FLAG(pointer-overflow)
AC_CHECK_SANITIZER_FLAG(builtin)
AC_CHECK_SANITIZER_FLAG(pointer-compare)
AC_CHECK_SANITIZER_FLAG(pointer-subtract)
AC_CHECK_SANITIZER_FLAG(shift-exponent)
AC_CHECK_SANITIZER_FLAG(shift-base)