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[strace] / configure.ac
1 # Configure template for strace.
2 #
3 # Copyright (c) 1999-2001 Wichert Akkerman <wichert@deephackmode.org>
4 # Copyright (c) 2002-2009 Roland McGrath <roland@redhat.com>
5 # Copyright (c) 2006-2016 Dmitry V. Levin <ldv@altlinux.org>
6 # Copyright (c) 2008-2015 Mike Frysinger <vapier@gentoo.org>
7 # Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
8 # Copyright (c) 2002-2017 The strace developers.
9 # All rights reserved.
10 #
11 # Redistribution and use in source and binary forms, with or without
12 # modification, are permitted provided that the following conditions
13 # are met:
14 # 1. Redistributions of source code must retain the above copyright
15 #    notice, this list of conditions and the following disclaimer.
16 # 2. Redistributions in binary form must reproduce the above copyright
17 #    notice, this list of conditions and the following disclaimer in the
18 #    documentation and/or other materials provided with the distribution.
19 # 3. The name of the author may not be used to endorse or promote products
20 #    derived from this software without specific prior written permission.
21 #
22 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32
33 AC_PREREQ(2.57)
34 AC_INIT([strace],
35         m4_esyscmd([./git-version-gen .tarball-version]),
36         [strace-devel@lists.sourceforge.net],
37         [strace],
38         [https://strace.io])
39 m4_define([copyright_year], m4_esyscmd([./copyright-year-gen .year]))
40 m4_define([manpage_date], m4_esyscmd([./file-date-gen strace.1.in]))
41 AC_COPYRIGHT([Copyright (c) 1999-]copyright_year[ The strace developers.])
42 AC_CONFIG_SRCDIR([strace.c])
43 AC_CONFIG_AUX_DIR([.])
44 AC_CONFIG_HEADERS([config.h])
45 AM_INIT_AUTOMAKE([foreign nostdinc dist-xz silent-rules parallel-tests 1.13])
46 AM_MAINTAINER_MODE
47 AC_CANONICAL_HOST
48
49 RPM_CHANGELOGTIME="$(LC_TIME=C date '+%a %b %d %Y')"
50 AC_SUBST(RPM_CHANGELOGTIME)
51 DEB_CHANGELOGTIME="$(LC_TIME=C date -R)"
52 AC_SUBST(DEB_CHANGELOGTIME)
53
54 AC_PROG_CC
55 AC_PROG_CPP
56 st_WARN_CFLAGS
57 AX_PROG_CC_FOR_BUILD
58 AC_PROG_INSTALL
59 AC_PROG_RANLIB
60
61 AC_USE_SYSTEM_EXTENSIONS
62 AX_CODE_COVERAGE
63
64 AC_DEFINE([COPYRIGHT_YEAR], "[copyright_year]", [Current copyright year.])
65 AC_SUBST([COPYRIGHT_YEAR], [copyright_year])
66
67 AC_DEFINE([MANPAGE_DATE], "[manpage_date]", [Date])
68 AC_SUBST([MANPAGE_DATE], [manpage_date])
69
70 AC_MSG_CHECKING([for supported architecture])
71 arch_m32=
72 arch_mx32=
73 case "$host_cpu" in
74 bfin)
75         arch=bfin
76         AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
77         ;;
78 i[[3456]]86|pentium)
79         arch=i386
80         AC_DEFINE([I386], 1, [Define for the i386 architecture.])
81         ;;
82 ia64)
83         arch=ia64
84         AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
85         ;;
86 m68k)
87         arch=m68k
88         AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
89         ;;
90 sparc64*)
91         arch=sparc64
92         arch_m32=sparc
93         AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
94         ;;
95 sparc*)
96         arch=sparc
97         AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
98         ;;
99 metag*)
100         arch=metag
101         AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
102         ;;
103 mips*)
104         arch=mips
105         AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
106         ;;
107 alpha*)
108         arch=alpha
109         AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
110         ;;
111 powerpc*)
112         AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
113         AC_TRY_COMPILE(
114 [#ifndef __LP64__
115 # error 32 bit
116 #endif], [], arch=powerpc64, arch=powerpc)
117         if test "$arch" = "powerpc64"; then
118                 arch_m32=powerpc
119                 AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
120         fi
121         ;;
122 arm*)
123         arch=arm
124         AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
125         ;;
126 aarch64*)
127         arch=aarch64
128         arch_m32=arm
129         AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
130         ;;
131 avr32*)
132         arch=avr32
133         AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
134         ;;
135 arc*)
136         arch=arc
137         AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
138         ;;
139 s390)
140         arch=s390
141         AC_DEFINE([S390], 1, [Define for the S390 architecture.])
142         ;;
143 s390x)
144         arch=s390x
145         AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
146         ;;
147 hppa*|parisc*)
148         arch=hppa
149         AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
150         ;;
151 sh64*)
152         arch=sh64
153         AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
154         ;;
155 sh*)
156         arch=sh
157         AC_DEFINE([SH], 1, [Define for the SH architecture.])
158         ;;
159 x86?64*)
160         arch_m32=i386
161         AC_TRY_COMPILE(
162 [#ifndef __ILP32__
163 # error not x32
164 #endif], [], arch=x32, arch=x86_64)
165         if test "$arch" = "x86_64"; then
166                 arch_mx32=x32
167                 AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
168         else
169                 AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
170         fi
171         ;;
172 cris|crisv10)
173         arch=crisv10
174         AC_DEFINE([CRISV10], 1, [Define for the CRISv10 architecture.])
175         ;;
176 crisv32)
177         arch=crisv32
178         AC_DEFINE([CRISV32], 1, [Define for the CRISv32 architecture.])
179         ;;
180 tile*)
181         arch=tile
182         AC_DEFINE([TILE], 1, [Define for the Tile architecture])
183         ;;
184 microblaze*)
185         arch=microblaze
186         AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
187         ;;
188 nios2*)
189         arch=nios2
190         AC_DEFINE([NIOS2], 1, [Define for the Nios-II architecture.])
191         ;;
192
193 or1k*)
194         arch=or1k
195         AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
196         ;;
197
198 xtensa*)
199         arch=xtensa
200         AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
201         ;;
202
203 riscv*)
204         arch=riscv
205         AC_DEFINE([RISCV], 1, [Define for the RISC-V architecture])
206         ;;
207
208 *)
209         AC_MSG_RESULT([NO!])
210         AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
211         ;;
212 esac
213 AC_MSG_RESULT($arch)
214
215 test -n "$arch_m32" ||
216         arch_m32=$arch
217 test -n "$arch_mx32" ||
218         arch_mx32=$arch
219 AC_SUBST(arch)
220 AC_SUBST(arch_m32)
221 AC_SUBST(arch_mx32)
222
223 MIPS_ABI=
224 if test "$arch" = mips; then
225         AC_CACHE_CHECK([for _MIPS_SIM], [st_cv__MIPS_SIM],
226                        [AC_COMPUTE_INT([st_cv__MIPS_SIM], [_MIPS_SIM], ,
227                                        [AC_MSG_ERROR([_MIPS_SIM cannot be determined])])])
228
229         # requires GCC >= 3.4
230         AC_CACHE_CHECK([for MIPS ABI], [st_cv_mips_abi],
231                 [AC_COMPILE_IFELSE(
232                         [AC_LANG_PROGRAM(, [[int i[_MIPS_SIM == _ABIO32 ? 1 : - 1];]])],
233                         [st_cv_mips_abi=o32],
234                 [AC_COMPILE_IFELSE(
235                         [AC_LANG_PROGRAM(, [[int i[_MIPS_SIM == _ABIN32 ? 1 : - 1];]])],
236                         [st_cv_mips_abi=n32],
237                 [AC_COMPILE_IFELSE(
238                         [AC_LANG_PROGRAM(, [[int i[_MIPS_SIM == _ABI64 ? 1 : - 1];]])],
239                         [st_cv_mips_abi=n64],
240                         [st_cv_mips_abi=unknown])])])])
241
242         case "$st_cv_mips_abi" in
243                 o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _ABIO32.]);;
244                 n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _ABIN32.]);;
245                 n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _ABI64.]);;
246                 *) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
247         esac
248         MIPS_ABI="$st_cv_mips_abi"
249 fi
250 AC_SUBST(MIPS_ABI)
251
252 AC_ARG_ENABLE([arm-oabi],
253               [AS_HELP_STRING([--enable-arm-oabi],
254                               [enable OABI support on ARM EABI])],
255               [], [enable_arm_oabi=no])
256 case "$enable_arm_oabi" in
257         yes) enable_arm_oabi=1 ;;
258         no) enable_arm_oabi=0 ;;
259         *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
260 esac
261 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
262                    [Define to 1 if you want OABI support on ARM EABI.])
263
264 AC_C_BIGENDIAN
265 AC_C_TYPEOF
266
267 AC_TYPE_UID_T
268
269 AC_CHECK_FUNCS(m4_normalize([
270         accept4
271         be64toh
272         fallocate
273         fanotify_mark
274         fopen64
275         fork
276         fputs_unlocked
277         fstatat
278         ftruncate
279         futimens
280         if_indextoname
281         open64
282         prctl
283         preadv
284         process_vm_readv
285         pwritev
286         readahead
287         signalfd
288         stpcpy
289         strerror
290         strndup
291         strsignal
292         sync_file_range
293         utimensat
294 ]))
295
296 AC_CHECK_TYPES([sig_atomic_t, struct sigcontext],,, [#include <signal.h>])
297
298 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
299
300 AC_CHECK_TYPES([__kernel_long_t, __kernel_ulong_t],,,
301 [#include <asm/posix_types.h>])
302
303 AC_CHECK_TYPES([struct stat64, struct __old_kernel_stat],,,
304 [#include <sys/types.h>
305 #include <asm/stat.h>])
306
307 AC_CHECK_TYPES([struct user_desc],,, [#include <asm/ldt.h>])
308
309 AC_CHECK_MEMBERS([struct stat.st_mtime_nsec, struct stat64.st_mtime_nsec],,,
310 [#include <sys/types.h>
311 #include <asm/stat.h>])
312
313 AC_CHECK_TYPES(m4_normalize([
314         struct pt_all_user_regs,
315         struct ia64_fpreg,
316         struct ptrace_peeksiginfo_args
317 ]),,, [#include <sys/ptrace.h>])
318
319 AC_CHECK_TYPES(m4_normalize([
320         struct flock,
321         struct flock64,
322         struct __kernel_flock,
323         struct __kernel_flock64
324 ]),,,
325 [#include <sys/types.h>
326 #include <linux/fcntl.h>])
327
328 AC_CHECK_TYPES(m4_normalize([
329         struct crypto_report_aead,
330         struct crypto_report_blkcipher,
331         struct crypto_report_cipher,
332         struct crypto_report_hash,
333         struct crypto_report_rng
334 ]),,, [#include <linux/cryptouser.h>])
335
336 AC_CHECK_TYPES(m4_normalize([
337         struct kcmp_epoll_slot
338 ]),,, [#include <linux/kcmp.h>])
339
340 AC_CHECK_TYPES(m4_normalize([
341         struct keyctl_kdf_params
342 ]),,, [#include <linux/keyctl.h>])
343
344 AC_CHECK_MEMBERS([struct timex.tai],,, [#include <sys/timex.h>])
345
346 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
347
348 AC_CHECK_MEMBERS(m4_normalize([
349         siginfo_t.si_syscall,
350         siginfo_t.si_timerid,
351         siginfo_t.si_overrun
352 ]),,, [#include <signal.h>])
353
354 AC_CHECK_MEMBERS(m4_normalize([
355         struct perf_event_attr.precise_ip,
356         struct perf_event_attr.mmap_data,
357         struct perf_event_attr.sample_id_all,
358         struct perf_event_attr.exclude_host,
359         struct perf_event_attr.exclude_guest,
360         struct perf_event_attr.exclude_callchain_kernel,
361         struct perf_event_attr.exclude_callchain_user,
362         struct perf_event_attr.mmap2,
363         struct perf_event_attr.comm_exec,
364         struct perf_event_attr.use_clockid,
365         struct perf_event_attr.context_switch,
366         struct perf_event_attr.write_backward,
367         struct perf_event_attr.bp_type,
368         struct perf_event_attr.config1,
369         struct perf_event_attr.config2,
370         struct perf_event_attr.branch_sample_type,
371         struct perf_event_attr.sample_regs_user,
372         struct perf_event_attr.sample_stack_user,
373         struct perf_event_attr.sample_regs_intr,
374         struct perf_event_attr.aux_watermark,
375         struct perf_event_attr.sample_max_stack
376 ]),,, [#include <linux/perf_event.h>])
377
378 AC_CHECK_HEADERS(m4_normalize([
379         asm/cachectl.h
380         asm/sysmips.h
381         bluetooth/bluetooth.h
382         elf.h
383         inttypes.h
384         linux/bsg.h
385         linux/cryptouser.h
386         linux/dm-ioctl.h
387         linux/dqblk_xfs.h
388         linux/falloc.h
389         linux/fib_rules.h
390         linux/fiemap.h
391         linux/genetlink.h
392         linux/hiddev.h
393         linux/if_addr.h
394         linux/if_link.h
395         linux/ip_vs.h
396         linux/ipc.h
397         linux/kcmp.h
398         linux/mmtimer.h
399         linux/msg.h
400         linux/neighbour.h
401         linux/netfilter/ipset/ip_set.h
402         linux/netfilter/nf_tables.h
403         linux/netfilter/nf_tables_compat.h
404         linux/netfilter/nfnetlink.h
405         linux/netfilter/nfnetlink_acct.h
406         linux/netfilter/nfnetlink_conntrack.h
407         linux/netfilter/nfnetlink_cthelper.h
408         linux/netfilter/nfnetlink_cttimeout.h
409         linux/netfilter/nfnetlink_log.h
410         linux/netfilter/nfnetlink_queue.h
411         linux/nsfs.h
412         linux/perf_event.h
413         linux/quota.h
414         linux/seccomp.h
415         linux/securebits.h
416         linux/sem.h
417         linux/shm.h
418         linux/userfaultfd.h
419         linux/utsname.h
420         mqueue.h
421         netinet/sctp.h
422         netipx/ipx.h
423         scsi/sg.h
424         stropts.h
425         sys/conf.h
426         sys/eventfd.h
427         sys/fanotify.h
428         sys/ipc.h
429         sys/msg.h
430         sys/quota.h
431         sys/reg.h
432         sys/sem.h
433         sys/shm.h
434         sys/signalfd.h
435         sys/xattr.h
436         ustat.h
437 ]))
438
439 AC_CHECK_HEADERS([asm/sigcontext.h],,, [#include <signal.h>])
440
441 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
442
443 AC_CHECK_HEADERS([linux/mqueue.h],,, [#include <linux/types.h>])
444
445 AC_CHECK_HEADERS([linux/netfilter/xt_osf.h],,, [#include <linux/ip.h>
446 #include <linux/tcp.h>])
447
448 AC_CHECK_HEADERS(m4_normalize([
449         linux/netfilter_arp/arp_tables.h
450         linux/netfilter_bridge/ebtables.h
451         linux/netfilter_ipv4/ip_tables.h
452         linux/netfilter_ipv6/ip6_tables.h
453 ]),,, [#include <netinet/in.h>
454 #include <net/if.h>])
455
456 AC_CHECK_HEADERS([linux/input.h], [
457         AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
458 ])
459
460 AC_CHECK_HEADERS([linux/bpf.h], [
461         st_CHECK_UNION_BPF_ATTR([attach_flags])
462         st_CHECK_UNION_BPF_ATTR([bpf_fd])
463         st_CHECK_UNION_BPF_ATTR([flags])
464         st_CHECK_UNION_BPF_ATTR([inner_map_fd])
465         st_CHECK_UNION_BPF_ATTR([prog_flags])
466 ])
467
468 AC_CHECK_TYPES(m4_normalize([
469         struct br_mdb_entry,
470         struct br_port_msg
471 ]),,, [#include <linux/if_bridge.h>])
472 AC_CHECK_MEMBERS(m4_normalize([
473         struct br_mdb_entry.flags,
474         struct br_mdb_entry.vid
475 ]),,, [#include <linux/if_bridge.h>])
476
477 AC_CHECK_TYPES([struct dcbmsg],,, [#include <linux/dcbnl.h>])
478 AC_CHECK_TYPES([struct ifaddrlblmsg],,, [#include <linux/if_addrlabel.h>])
479 AC_CHECK_TYPES([struct netconfmsg],,, [#include <linux/netconf.h>])
480
481 AC_CHECK_TYPES(m4_normalize([
482         struct rta_mfc_stats,
483         struct rtvia
484 ]),,, [#include <linux/rtnetlink.h>])
485
486 AC_CHECK_MEMBERS([struct ndt_stats.ndts_table_fulls],,, [#include <linux/neighbour.h>])
487 AC_CHECK_TYPES(m4_normalize([
488         struct ndt_config,
489         struct ndt_stats
490 ]),,, [#include <linux/neighbour.h>])
491
492 AC_CHECK_TYPES(m4_normalize([
493         struct ifla_bridge_id,
494         struct ifla_port_vsi,
495         struct rtnl_link_stats64
496 ]),,, [#include <linux/if_link.h>])
497 AC_CHECK_MEMBERS(m4_normalize([
498         struct rtnl_link_stats.rx_nohandler,
499         struct rtnl_link_stats64.rx_nohandler
500 ]),,, [#include <linux/if_link.h>])
501
502 AC_CHECK_TYPES(m4_normalize([
503         struct gnet_stats_basic,
504         struct gnet_stats_queue,
505         struct gnet_stats_rate_est,
506         struct gnet_stats_rate_est64
507 ]),,, [#include <linux/gen_stats.h>])
508
509 AC_CHECK_TYPES([struct tc_sizespec],,, [#include <linux/pkt_sched.h>])
510
511 AC_CHECK_TYPES([struct fib_rule_uid_range],,, [#include <linux/fib_rules.h>])
512
513 AC_CHECK_TYPES([struct statfs], [
514         AC_CHECK_MEMBERS(m4_normalize([
515                 struct statfs.f_frsize,
516                 struct statfs.f_flags,
517                 struct statfs.f_fsid.val,
518                 struct statfs.f_fsid.__val
519         ]),,, [#include <linux/types.h>
520 #include <asm/statfs.h>])
521 ],, [#include <linux/types.h>
522 #include <asm/statfs.h>])
523
524 AC_CHECK_TYPES([struct statfs64], [
525         AC_CHECK_MEMBERS(m4_normalize([
526                 struct statfs64.f_frsize,
527                 struct statfs64.f_flags,
528                 struct statfs64.f_fsid.val,
529                 struct statfs64.f_fsid.__val
530         ]),,, [#include <linux/types.h>
531 #include <asm/statfs.h>])
532 ],, [#include <linux/types.h>
533 #include <asm/statfs.h>])
534
535 AC_CHECK_TYPES([struct blk_user_trace_setup],,, [#include <linux/blktrace_api.h>])
536
537 AC_CHECK_HEADERS([linux/btrfs.h], [
538         AC_CHECK_MEMBERS(m4_normalize([
539                 struct btrfs_ioctl_feature_flags.compat_flags,
540                 struct btrfs_ioctl_fs_info_args.nodesize,
541                 struct btrfs_ioctl_defrag_range_args.start,
542                 struct btrfs_ioctl_search_args_v2.buf_size
543                 ]),,, [ #include <stdio.h>
544 #include <linux/btrfs.h>])
545         AC_CHECK_DECLS(m4_normalize([BTRFS_COMPRESS_NONE, BTRFS_COMPRESS_ZLIB,
546                                 BTRFS_COMPRESS_LZO]),,,[ #include <stdio.h>
547 #include <linux/btrfs.h>])])
548
549 AC_CHECK_DECLS([sys_errlist])
550 AC_CHECK_DECLS(m4_normalize([
551         PTRACE_PEEKUSER,
552         PTRACE_POKEUSER
553 ]),,, [#include <sys/ptrace.h>])
554
555 AC_CHECK_DECLS(m4_normalize([
556         P_PID,
557         P_PPID,
558         P_PGID,
559         P_SID,
560         P_CID,
561         P_UID,
562         P_GID,
563         P_ALL,
564         P_LWPID
565 ]),,, [#include <sys/wait.h>])
566
567 AC_CHECK_DECLS(m4_normalize([
568         LO_FLAGS_READ_ONLY,
569         LO_FLAGS_USE_AOPS,
570         LO_FLAGS_AUTOCLEAR,
571         LO_FLAGS_PARTSCAN,
572         LO_FLAGS_DIRECT_IO
573 ]),,, [#include <linux/loop.h>])
574
575 AC_CHECK_DECLS(m4_normalize([
576         CTL_PROC,
577         CTL_ARLAN,
578         CTL_S390DBF,
579         CTL_SUNRPC,
580         CTL_PM,
581         CTL_FRV,
582         KERN_PRINTK_RATELIMIT,
583         KERN_PRINTK_RATELIMIT_BURST,
584         KERN_PTY,
585         KERN_NGROUPS_MAX,
586         KERN_SPARC_SCONS_PWROFF,
587         KERN_HZ_TIMER,
588         KERN_UNKNOWN_NMI_PANIC,
589         KERN_BOOTLOADER_TYPE,
590         KERN_RANDOMIZE,
591         KERN_SETUID_DUMPABLE,
592         KERN_SPIN_RETRY,
593         KERN_ACPI_VIDEO_FLAGS,
594         KERN_IA64_UNALIGNED,
595         KERN_COMPAT_LOG,
596         KERN_MAX_LOCK_DEPTH,
597         KERN_NMI_WATCHDOG,
598         KERN_PANIC_ON_NMI,
599         NET_LLC,
600         NET_NETFILTER,
601         NET_DCCP,
602         NET_IRDA,
603         NET_CORE_DESTROY_DELAY,
604         NET_CORE_BUDGET,
605         NET_CORE_AEVENT_ETIME,
606         NET_CORE_AEVENT_RSEQTH,
607         NET_CORE_WARNINGS,
608         NET_IPV4_IGMP_MAX_MSF,
609         NET_TCP_NO_METRICS_SAVE,
610         NET_TCP_DEFAULT_WIN_SCALE,
611         NET_TCP_MODERATE_RCVBUF,
612         NET_TCP_TSO_WIN_DIVISOR,
613         NET_TCP_BIC_BETA,
614         NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
615         NET_TCP_CONG_CONTROL,
616         NET_TCP_ABC,
617         NET_IPV4_IPFRAG_MAX_DIST,
618         NET_TCP_MTU_PROBING,
619         NET_TCP_BASE_MSS,
620         NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
621         NET_TCP_DMA_COPYBREAK,
622         NET_TCP_SLOW_START_AFTER_IDLE,
623         NET_CIPSOV4_CACHE_ENABLE,
624         NET_CIPSOV4_CACHE_BUCKET_SIZE,
625         NET_CIPSOV4_RBM_OPTFMT,
626         NET_CIPSOV4_RBM_STRICTVALID,
627         NET_TCP_AVAIL_CONG_CONTROL,
628         NET_TCP_ALLOWED_CONG_CONTROL,
629         NET_TCP_MAX_SSTHRESH,
630         NET_TCP_FRTO_RESPONSE,
631         NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
632         NET_IPV4_CONF_FORCE_IGMP_VERSION,
633         NET_IPV4_CONF_ARP_ANNOUNCE,
634         NET_IPV4_CONF_ARP_IGNORE,
635         NET_IPV4_CONF_PROMOTE_SECONDARIES,
636         NET_IPV4_CONF_ARP_ACCEPT,
637         NET_IPV4_CONF_ARP_NOTIFY,
638         NET_IPV6_MLD_MAX_MSF,
639         NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
640         VM_MAX_MAP_COUNT,
641         VM_LAPTOP_MODE,
642         VM_BLOCK_DUMP,
643         VM_HUGETLB_GROUP,
644         VM_VFS_CACHE_PRESSURE,
645         VM_LEGACY_VA_LAYOUT,
646         VM_SWAP_TOKEN_TIMEOUT
647 ]),,,
648 [#include <sys/types.h>
649 #include <linux/sysctl.h>])
650
651 AC_CHECK_DECLS(m4_normalize([
652         V4L2_FIELD_ANY,
653         V4L2_FIELD_NONE,
654         V4L2_FIELD_TOP,
655         V4L2_FIELD_BOTTOM,
656         V4L2_FIELD_INTERLACED,
657         V4L2_FIELD_SEQ_TB,
658         V4L2_FIELD_SEQ_BT,
659         V4L2_FIELD_ALTERNATE,
660         V4L2_FIELD_INTERLACED_TB,
661         V4L2_FIELD_INTERLACED_BT,
662         V4L2_BUF_TYPE_VIDEO_CAPTURE,
663         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
664         V4L2_BUF_TYPE_VIDEO_OUTPUT,
665         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
666         V4L2_BUF_TYPE_VIDEO_OVERLAY,
667         V4L2_BUF_TYPE_VBI_CAPTURE,
668         V4L2_BUF_TYPE_VBI_OUTPUT,
669         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
670         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
671         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
672         V4L2_BUF_TYPE_SDR_CAPTURE,
673         V4L2_BUF_TYPE_SDR_OUTPUT,
674         V4L2_TUNER_RADIO,
675         V4L2_TUNER_ANALOG_TV,
676         V4L2_TUNER_DIGITAL_TV,
677         V4L2_MEMORY_MMAP,
678         V4L2_MEMORY_USERPTR,
679         V4L2_MEMORY_OVERLAY,
680         V4L2_MEMORY_DMABUF,
681         V4L2_COLORSPACE_SMPTE170M,
682         V4L2_COLORSPACE_SMPTE240M,
683         V4L2_COLORSPACE_REC709,
684         V4L2_COLORSPACE_BT878,
685         V4L2_COLORSPACE_470_SYSTEM_M,
686         V4L2_COLORSPACE_470_SYSTEM_BG,
687         V4L2_COLORSPACE_JPEG,
688         V4L2_COLORSPACE_SRGB,
689         V4L2_PRIORITY_UNSET,
690         V4L2_PRIORITY_BACKGROUND,
691         V4L2_PRIORITY_INTERACTIVE,
692         V4L2_PRIORITY_RECORD,
693         V4L2_FRMSIZE_TYPE_DISCRETE,
694         V4L2_FRMSIZE_TYPE_CONTINUOUS,
695         V4L2_FRMSIZE_TYPE_STEPWISE,
696         V4L2_FRMIVAL_TYPE_DISCRETE,
697         V4L2_FRMIVAL_TYPE_CONTINUOUS,
698         V4L2_FRMIVAL_TYPE_STEPWISE,
699         V4L2_CTRL_TYPE_INTEGER,
700         V4L2_CTRL_TYPE_BOOLEAN,
701         V4L2_CTRL_TYPE_MENU,
702         V4L2_CTRL_TYPE_BUTTON,
703         V4L2_CTRL_TYPE_INTEGER64,
704         V4L2_CTRL_TYPE_CTRL_CLASS,
705         V4L2_CTRL_TYPE_STRING,
706         V4L2_CTRL_TYPE_BITMASK,
707         V4L2_CTRL_TYPE_INTEGER_MENU
708 ]),,, [#include <sys/time.h>
709 #include <linux/ioctl.h>
710 #include <linux/types.h>
711 #include <linux/videodev2.h>])
712
713 AC_CHECK_MEMBERS(m4_normalize([
714         struct v4l2_window.global_alpha,
715         struct v4l2_sdr_format.buffersize
716 ]),,, [#include <sys/time.h>
717 #include <linux/ioctl.h>
718 #include <linux/types.h>
719 #include <linux/videodev2.h>])
720
721 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
722         [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
723 #include <stdlib.h>
724 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
725                            [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
726         if test $ac_cv_have_blkgetsize64 = yes; then
727                 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
728         fi)
729
730 AC_CHECK_SIZEOF([long])
731 AC_CHECK_SIZEOF([long long])
732 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
733 AC_CHECK_SIZEOF([kernel_long_t],,[#include "$srcdir/kernel_types.h"])
734 AC_CHECK_SIZEOF([struct i64_i32],,[struct i64_i32 {long long i64; int i32;};])
735
736 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
737                [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
738                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
739                         grep '^[0-9]')"
740                  test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
741 if test "x$st_cv_SIGRTMIN" != xno; then
742         AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
743                            [SIGRTMIN defined in <asm/signal.h>])
744 fi
745 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
746                [st_cv_SA_RESTORER="$(echo SA_RESTORER |
747                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
748                         grep ^0x)"
749                 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
750 if test "x$st_cv_SA_RESTORER" != xno; then
751         AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
752                            [SA_RESTORER defined in <asm/signal.h>])
753 fi
754
755 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
756                [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
757                                [st_cv_have___builtin_popcount=yes],
758                                [st_cv_have___builtin_popcount=no])])
759 if test "x$st_cv_have___builtin_popcount" = xyes; then
760         AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
761                   [Define to 1 if the system provides __builtin_popcount function])
762 fi
763
764 AC_CACHE_CHECK([for program_invocation_name], [st_cv_have_program_invocation_name],
765                [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]],
766                                                 [[return !*program_invocation_name]])],
767                                [st_cv_have_program_invocation_name=yes],
768                                [st_cv_have_program_invocation_name=no])])
769 if test "x$st_cv_have_program_invocation_name" = xyes; then
770         AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
771                   [Define to 1 if the system provides program_invocation_name variable])
772 fi
773
774 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
775 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
776         AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
777 fi
778 AC_SUBST(dl_LIBS)
779
780 AC_PATH_PROG([PERL], [perl])
781
782 dnl stack trace with libunwind
783 libunwind_CPPFLAGS=
784 libunwind_LDFLAGS=
785 libunwind_LIBS=
786 AC_ARG_WITH([libunwind],
787             [AS_HELP_STRING([--with-libunwind],
788                             [use libunwind to implement stack tracing support])],
789             [case "${withval}" in
790              yes|no|check) ;;
791              *) with_libunwind=yes
792                 libunwind_CPPFLAGS="-I${withval}/include"
793                 libunwind_LDFLAGS="-L${withval}/lib" ;;
794              esac],
795             [with_libunwind=check]
796 )
797
798 use_libunwind=no
799 AS_IF([test "x$with_libunwind" != xno],
800       [saved_CPPFLAGS="$CPPFLAGS"
801        CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
802
803        AC_CHECK_HEADERS([libunwind-ptrace.h],
804          [saved_LDFLAGS="$LDFLAGS"
805           LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
806
807           AC_CHECK_LIB([unwind], [backtrace],
808             [libunwind_LIBS="-lunwind $libunwind_LIBS"
809
810              AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
811              saved_LIBS="$LIBS"
812              LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
813
814              AC_LINK_IFELSE(
815                [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
816                                 [[return !unw_create_addr_space(0, 0)]])
817                ],
818                [AC_MSG_RESULT([yes])
819                 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
820
821                 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
822                   [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
823                    use_libunwind=yes
824                   ],
825                   [if test "x$with_libunwind" != xcheck; then
826                      AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
827                    fi
828                   ],
829                   [$libunwind_LIBS]
830                 )
831                ],
832                [AC_MSG_RESULT([no])
833                 if test "x$with_libunwind" != xcheck; then
834                   AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
835                 fi
836                ]
837              )
838
839              LIBS="$saved_LIBS"
840             ],
841             [if test "x$with_libunwind" != xcheck; then
842                AC_MSG_FAILURE([failed to find libunwind])
843              fi
844             ],
845             [$libunwind_LIBS]
846           )
847
848           LDFLAGS="$saved_LDFLAGS"
849          ],
850          [if test "x$with_libunwind" != xcheck; then
851             AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
852           fi
853          ]
854        )
855
856        CPPFLAGS="$saved_CPPFLAGS"
857       ]
858 )
859
860 dnl enable libunwind
861 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
862 if test "x$use_libunwind" = xyes; then
863         AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
864         AC_SUBST(libunwind_LIBS)
865         AC_SUBST(libunwind_LDFLAGS)
866         AC_SUBST(libunwind_CPPFLAGS)
867 fi
868 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
869 AC_MSG_RESULT([$use_libunwind])
870
871 if test "$arch" = mips && test "$no_create" != yes; then
872         mkdir -p linux/mips
873         if $srcdir/linux/mips/genstub.sh linux/mips; then
874                 AC_MSG_RESULT([Generated MIPS syscallent stubs])
875         else
876                 AC_MSG_FAILURE([Failed to generate syscallent stubs])
877         fi
878 fi
879
880 st_MPERS([m32], [aarch64|powerpc64|sparc64|tile|x32|x86_64])
881 st_MPERS([mx32], [x86_64])
882
883 AX_VALGRIND_DFLT([sgcheck], [off])
884 AX_VALGRIND_CHECK
885
886 AC_CONFIG_FILES([Makefile
887                  tests/Makefile
888                  tests-m32/Makefile
889                  tests-mx32/Makefile
890                  strace.1
891                  strace.spec
892                  debian/changelog])
893 AC_OUTPUT