]> granicus.if.org Git - strace/blob - configure.ac
x32: fix decoding of 3rd argument of preadv* and pwritev* syscalls
[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 # All rights reserved.
9 #
10 # Redistribution and use in source and binary forms, with or without
11 # modification, are permitted provided that the following conditions
12 # are met:
13 # 1. Redistributions of source code must retain the above copyright
14 #    notice, this list of conditions and the following disclaimer.
15 # 2. Redistributions in binary form must reproduce the above copyright
16 #    notice, this list of conditions and the following disclaimer in the
17 #    documentation and/or other materials provided with the distribution.
18 # 3. The name of the author may not be used to endorse or promote products
19 #    derived from this software without specific prior written permission.
20 #
21 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32 AC_PREREQ(2.57)
33 AC_INIT([strace],
34         m4_esyscmd([./git-version-gen .tarball-version]),
35         [strace-devel@lists.sourceforge.net])
36 AC_CONFIG_SRCDIR([strace.c])
37 AC_CONFIG_AUX_DIR([.])
38 AC_CONFIG_HEADERS([config.h])
39 AM_INIT_AUTOMAKE([foreign nostdinc dist-xz silent-rules parallel-tests])
40 AM_EXTRA_RECURSIVE_TARGETS([check-valgrind])
41 AM_MAINTAINER_MODE
42 AC_CANONICAL_HOST
43
44 RPM_CHANGELOGTIME="$(LC_TIME=C date '+%a %b %d %Y')"
45 AC_SUBST(RPM_CHANGELOGTIME)
46 DEB_CHANGELOGTIME="$(LC_TIME=C date -R)"
47 AC_SUBST(DEB_CHANGELOGTIME)
48
49 AC_PROG_CC
50 AC_PROG_CPP
51 st_WARN_CFLAGS
52 AX_PROG_CC_FOR_BUILD
53 AC_PROG_INSTALL
54 AC_PROG_RANLIB
55
56 AC_USE_SYSTEM_EXTENSIONS
57 AX_CODE_COVERAGE
58
59 AC_MSG_CHECKING([for supported architecture])
60 arch_m32=
61 arch_mx32=
62 case "$host_cpu" in
63 bfin)
64         arch=bfin
65         AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
66         ;;
67 i[[3456]]86|pentium)
68         arch=i386
69         AC_DEFINE([I386], 1, [Define for the i386 architecture.])
70         ;;
71 ia64)
72         arch=ia64
73         AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
74         ;;
75 m68k)
76         arch=m68k
77         AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
78         ;;
79 sparc64*)
80         arch=sparc64
81         arch_m32=sparc
82         AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
83         ;;
84 sparc*)
85         arch=sparc
86         AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
87         ;;
88 metag*)
89         arch=metag
90         AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
91         ;;
92 mips*)
93         arch=mips
94         AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
95         ;;
96 alpha*)
97         arch=alpha
98         AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
99         ;;
100 powerpc*)
101         AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
102         AC_TRY_COMPILE(
103 [#ifndef __LP64__
104 # error 32 bit
105 #endif], [], arch=powerpc64, arch=powerpc)
106         if test "$arch" = "powerpc64"; then
107                 arch_m32=powerpc
108                 AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
109         fi
110         ;;
111 arm*)
112         arch=arm
113         AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
114         ;;
115 aarch64*)
116         arch=aarch64
117         arch_m32=arm
118         AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
119         ;;
120 avr32*)
121         arch=avr32
122         AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
123         ;;
124 arc*)
125         arch=arc
126         AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
127         ;;
128 s390)
129         arch=s390
130         AC_DEFINE([S390], 1, [Define for the S390 architecture.])
131         ;;
132 s390x)
133         arch=s390x
134         AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
135         ;;
136 hppa*|parisc*)
137         arch=hppa
138         AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
139         ;;
140 sh64*)
141         arch=sh64
142         AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
143         ;;
144 sh*)
145         arch=sh
146         AC_DEFINE([SH], 1, [Define for the SH architecture.])
147         ;;
148 x86?64*)
149         arch_m32=i386
150         AC_TRY_COMPILE(
151 [#ifndef __ILP32__
152 # error not x32
153 #endif], [], arch=x32, arch=x86_64)
154         if test "$arch" = "x86_64"; then
155                 arch_mx32=x32
156                 AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
157         else
158                 AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
159         fi
160         ;;
161 cris|crisv10)
162         arch=crisv10
163         AC_DEFINE([CRISV10], 1, [Define for the CRISv10 architecture.])
164         ;;
165 crisv32)
166         arch=crisv32
167         AC_DEFINE([CRISV32], 1, [Define for the CRISv32 architecture.])
168         ;;
169 tile*)
170         arch=tile
171         AC_DEFINE([TILE], 1, [Define for the Tile architecture])
172         ;;
173 microblaze*)
174         arch=microblaze
175         AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
176         ;;
177 nios2*)
178         arch=nios2
179         AC_DEFINE([NIOS2], 1, [Define for the Nios-II architecture.])
180         ;;
181
182 or1k*)
183         arch=or1k
184         AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
185         ;;
186
187 xtensa*)
188         arch=xtensa
189         AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
190         ;;
191
192 riscv*)
193         arch=riscv
194         AC_DEFINE([RISCV], 1, [Define for the RISC-V architecture])
195         ;;
196
197 *)
198         AC_MSG_RESULT([NO!])
199         AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
200         ;;
201 esac
202 AC_MSG_RESULT($arch)
203
204 test -n "$arch_m32" ||
205         arch_m32=$arch
206 test -n "$arch_mx32" ||
207         arch_mx32=$arch
208 AC_SUBST(arch)
209 AC_SUBST(arch_m32)
210 AC_SUBST(arch_mx32)
211
212 MIPS_ABI=
213 if test "$arch" = mips; then
214         AC_CACHE_CHECK([for _MIPS_SIM], [st_cv__MIPS_SIM],
215                        [AC_COMPUTE_INT([st_cv__MIPS_SIM], [_MIPS_SIM],
216                                        [#include <sgidefs.h>],
217                                        [AC_MSG_ERROR([_MIPS_SIM cannot be determined])])])
218
219         AC_CACHE_CHECK([for MIPS ABI], [st_cv_mips_abi],
220                 [AC_COMPILE_IFELSE(
221                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
222                                          [[int i[_MIPS_SIM == _MIPS_SIM_ABI32 ? 1 : - 1];]])],
223                         [st_cv_mips_abi=o32],
224                 [AC_COMPILE_IFELSE(
225                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
226                                          [[int i[_MIPS_SIM == _MIPS_SIM_NABI32 ? 1 : - 1];]])],
227                         [st_cv_mips_abi=n32],
228                 [AC_COMPILE_IFELSE(
229                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
230                                          [[int i[_MIPS_SIM == _MIPS_SIM_ABI64 ? 1 : - 1];]])],
231                         [st_cv_mips_abi=n64],
232                         [st_cv_mips_abi=unknown])])])])
233
234         case "$st_cv_mips_abi" in
235                 o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _MIPS_SIM_ABI32.]);;
236                 n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _MIPS_SIM_NABI32.]);;
237                 n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _MIPS_SIM_ABI64.]);;
238                 *) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
239         esac
240         MIPS_ABI="$st_cv_mips_abi"
241 fi
242 AC_SUBST(MIPS_ABI)
243
244 AC_ARG_ENABLE([arm-oabi],
245               [AS_HELP_STRING([--enable-arm-oabi],
246                               [enable OABI support on ARM EABI])],
247               [], [enable_arm_oabi=no])
248 case "$enable_arm_oabi" in
249         yes) enable_arm_oabi=1 ;;
250         no) enable_arm_oabi=0 ;;
251         *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
252 esac
253 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
254                    [Define to 1 if you want OABI support on ARM EABI.])
255
256 AC_C_BIGENDIAN
257 AC_C_TYPEOF
258
259 AC_TYPE_UID_T
260
261 AC_CHECK_FUNCS(m4_normalize([
262         accept4
263         fallocate
264         fanotify_mark
265         fopen64
266         fork
267         fputs_unlocked
268         fstatat
269         ftruncate
270         futimens
271         if_indextoname
272         open64
273         pipe2
274         prctl
275         preadv
276         process_vm_readv
277         pwritev
278         readahead
279         signalfd
280         stpcpy
281         strerror
282         strsignal
283         sync_file_range
284         utimensat
285 ]))
286
287 AC_CHECK_TYPES([sig_atomic_t, struct sigcontext],,, [#include <signal.h>])
288
289 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
290
291 AC_CHECK_TYPES([__kernel_long_t, __kernel_ulong_t],,,
292 [#include <asm/posix_types.h>])
293
294 AC_CHECK_TYPES([struct stat64, struct __old_kernel_stat],,,
295 [#include <sys/types.h>
296 #include <asm/stat.h>])
297
298 AC_CHECK_MEMBERS([struct stat.st_mtime_nsec, struct stat64.st_mtime_nsec],,,
299 [#include <sys/types.h>
300 #include <asm/stat.h>])
301
302 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec])
303
304 AC_CHECK_TYPES(m4_normalize([
305         struct pt_all_user_regs,
306         struct ia64_fpreg,
307         struct ptrace_peeksiginfo_args
308 ]),,, [#include <sys/ptrace.h>])
309
310 AC_CHECK_TYPES(m4_normalize([
311         struct flock,
312         struct flock64,
313         struct __kernel_flock,
314         struct __kernel_flock64
315 ]),,,
316 [#include <sys/types.h>
317 #include <linux/fcntl.h>])
318
319 AC_CHECK_MEMBERS([struct timex.tai],,, [#include <sys/timex.h>])
320
321 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
322
323 AC_CHECK_MEMBERS(m4_normalize([
324         siginfo_t.si_syscall,
325         siginfo_t.si_timerid,
326         siginfo_t.si_overrun
327 ]),,, [#include <signal.h>])
328
329 AC_CHECK_MEMBERS(m4_normalize([
330         struct perf_event_attr.precise_ip,
331         struct perf_event_attr.mmap_data,
332         struct perf_event_attr.sample_id_all,
333         struct perf_event_attr.exclude_host,
334         struct perf_event_attr.exclude_guest,
335         struct perf_event_attr.exclude_callchain_kernel,
336         struct perf_event_attr.exclude_callchain_user,
337         struct perf_event_attr.mmap2,
338         struct perf_event_attr.comm_exec,
339         struct perf_event_attr.use_clockid,
340         struct perf_event_attr.context_switch,
341         struct perf_event_attr.write_backward,
342         struct perf_event_attr.bp_type,
343         struct perf_event_attr.config1,
344         struct perf_event_attr.config2,
345         struct perf_event_attr.branch_sample_type,
346         struct perf_event_attr.sample_regs_user,
347         struct perf_event_attr.sample_stack_user,
348         struct perf_event_attr.sample_regs_intr,
349         struct perf_event_attr.aux_watermark,
350         struct perf_event_attr.sample_max_stack
351 ]),,, [#include <linux/perf_event.h>])
352
353 AC_CHECK_HEADERS(m4_normalize([
354         asm/cachectl.h
355         asm/sysmips.h
356         bluetooth/bluetooth.h
357         elf.h
358         inttypes.h
359         linux/bsg.h
360         linux/dm-ioctl.h
361         linux/dqblk_xfs.h
362         linux/falloc.h
363         linux/fiemap.h
364         linux/filter.h
365         linux/hiddev.h
366         linux/ip_vs.h
367         linux/ipc.h
368         linux/mmtimer.h
369         linux/msg.h
370         linux/perf_event.h
371         linux/quota.h
372         linux/seccomp.h
373         linux/securebits.h
374         linux/sem.h
375         linux/shm.h
376         linux/userfaultfd.h
377         linux/utsname.h
378         mqueue.h
379         netinet/sctp.h
380         netipx/ipx.h
381         scsi/sg.h
382         stropts.h
383         sys/conf.h
384         sys/eventfd.h
385         sys/fanotify.h
386         sys/ipc.h
387         sys/msg.h
388         sys/quota.h
389         sys/reg.h
390         sys/sem.h
391         sys/shm.h
392         sys/signalfd.h
393         sys/xattr.h
394 ]))
395
396 AC_CHECK_HEADERS([asm/sigcontext.h],,, [#include <signal.h>])
397
398 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
399
400 AC_CHECK_HEADERS([linux/mqueue.h],,, [#include <linux/types.h>])
401
402 AC_CHECK_HEADERS(m4_normalize([
403         linux/netfilter_arp/arp_tables.h
404         linux/netfilter_bridge/ebtables.h
405         linux/netfilter_ipv4/ip_tables.h
406         linux/netfilter_ipv6/ip6_tables.h
407 ]),,, [#include <netinet/in.h>
408 #include <net/if.h>])
409
410 AC_CHECK_HEADERS([linux/input.h], [
411         AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
412 ])
413
414 AC_CHECK_HEADERS([linux/bpf.h], [
415         AC_CACHE_CHECK([whether union bpf_attr.log_buf initialization works],
416                        [st_cv_have_union_bpf_attr_log_buf],
417                 [AC_COMPILE_IFELSE(
418                         [AC_LANG_PROGRAM([[#include <linux/bpf.h>]],
419                                          [[union bpf_attr a = { .log_buf = 0 };]])],
420                         [st_cv_have_union_bpf_attr_log_buf=yes],
421                         [st_cv_have_union_bpf_attr_log_buf=no])])
422         if test $st_cv_have_union_bpf_attr_log_buf = yes; then
423                 AC_DEFINE(HAVE_UNION_BPF_ATTR_LOG_BUF, [1],
424                           [Define to 1 if union bpf_attr.log_buf initialization works])
425         fi
426 ])
427
428 AC_CHECK_TYPES([struct statfs], [
429         AC_CHECK_MEMBERS([struct statfs.f_frsize],,, [#include <linux/types.h>
430 #include <asm/statfs.h>])
431         AC_CHECK_MEMBERS([struct statfs.f_flags],,, [#include <linux/types.h>
432 #include <asm/statfs.h>])
433         AC_CHECK_MEMBERS([struct statfs.f_fsid.val],,, [#include <linux/types.h>
434 #include <asm/statfs.h>])
435         AC_CHECK_MEMBERS([struct statfs.f_fsid.__val],,, [#include <linux/types.h>
436 #include <asm/statfs.h>])
437 ],, [#include <linux/types.h>
438 #include <asm/statfs.h>])
439
440 AC_CHECK_TYPES([struct statfs64], [
441         AC_CHECK_MEMBERS([struct statfs64.f_frsize],,, [#include <linux/types.h>
442 #include <asm/statfs.h>])
443         AC_CHECK_MEMBERS([struct statfs64.f_flags],,, [#include <linux/types.h>
444 #include <asm/statfs.h>])
445         AC_CHECK_MEMBERS([struct statfs64.f_fsid.val],,, [#include <linux/types.h>
446 #include <asm/statfs.h>])
447         AC_CHECK_MEMBERS([struct statfs64.f_fsid.__val],,, [#include <linux/types.h>
448 #include <asm/statfs.h>])
449 ],, [#include <linux/types.h>
450 #include <asm/statfs.h>])
451
452 AC_CHECK_TYPES([struct blk_user_trace_setup],,, [#include <linux/blktrace_api.h>])
453
454 AC_CHECK_HEADERS([linux/btrfs.h], [
455         AC_CHECK_MEMBERS(m4_normalize([
456                 struct btrfs_ioctl_feature_flags.compat_flags,
457                 struct btrfs_ioctl_fs_info_args.nodesize,
458                 struct btrfs_ioctl_defrag_range_args.start,
459                 struct btrfs_ioctl_search_args_v2.buf_size
460                 ]),,, [ #include <stdio.h>
461 #include <linux/btrfs.h>])
462         AC_CHECK_DECLS(m4_normalize([BTRFS_COMPRESS_NONE, BTRFS_COMPRESS_ZLIB,
463                                 BTRFS_COMPRESS_LZO]),,,[ #include <stdio.h>
464 #include <linux/btrfs.h>])])
465
466 AC_CHECK_DECLS([sys_errlist])
467 AC_CHECK_DECLS(m4_normalize([
468         PTRACE_PEEKUSER,
469         PTRACE_POKEUSER
470 ]),,, [#include <sys/ptrace.h>])
471
472 AC_CHECK_DECLS(m4_normalize([
473         P_PID,
474         P_PPID,
475         P_PGID,
476         P_SID,
477         P_CID,
478         P_UID,
479         P_GID,
480         P_ALL,
481         P_LWPID
482 ]),,, [#include <sys/wait.h>])
483
484 AC_CHECK_DECLS(m4_normalize([
485         LO_FLAGS_READ_ONLY,
486         LO_FLAGS_AUTOCLEAR,
487         LO_FLAGS_PARTSCAN
488 ]),,, [#include <linux/loop.h>])
489
490 AC_CHECK_DECLS(m4_normalize([
491         CTL_PROC,
492         CTL_ARLAN,
493         CTL_S390DBF,
494         CTL_SUNRPC,
495         CTL_PM,
496         CTL_FRV,
497         KERN_PRINTK_RATELIMIT,
498         KERN_PRINTK_RATELIMIT_BURST,
499         KERN_PTY,
500         KERN_NGROUPS_MAX,
501         KERN_SPARC_SCONS_PWROFF,
502         KERN_HZ_TIMER,
503         KERN_UNKNOWN_NMI_PANIC,
504         KERN_BOOTLOADER_TYPE,
505         KERN_RANDOMIZE,
506         KERN_SETUID_DUMPABLE,
507         KERN_SPIN_RETRY,
508         KERN_ACPI_VIDEO_FLAGS,
509         KERN_IA64_UNALIGNED,
510         KERN_COMPAT_LOG,
511         KERN_MAX_LOCK_DEPTH,
512         KERN_NMI_WATCHDOG,
513         KERN_PANIC_ON_NMI,
514         NET_LLC,
515         NET_NETFILTER,
516         NET_DCCP,
517         NET_IRDA,
518         NET_CORE_DESTROY_DELAY,
519         NET_CORE_BUDGET,
520         NET_CORE_AEVENT_ETIME,
521         NET_CORE_AEVENT_RSEQTH,
522         NET_CORE_WARNINGS,
523         NET_IPV4_IGMP_MAX_MSF,
524         NET_TCP_NO_METRICS_SAVE,
525         NET_TCP_DEFAULT_WIN_SCALE,
526         NET_TCP_MODERATE_RCVBUF,
527         NET_TCP_TSO_WIN_DIVISOR,
528         NET_TCP_BIC_BETA,
529         NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
530         NET_TCP_CONG_CONTROL,
531         NET_TCP_ABC,
532         NET_IPV4_IPFRAG_MAX_DIST,
533         NET_TCP_MTU_PROBING,
534         NET_TCP_BASE_MSS,
535         NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
536         NET_TCP_DMA_COPYBREAK,
537         NET_TCP_SLOW_START_AFTER_IDLE,
538         NET_CIPSOV4_CACHE_ENABLE,
539         NET_CIPSOV4_CACHE_BUCKET_SIZE,
540         NET_CIPSOV4_RBM_OPTFMT,
541         NET_CIPSOV4_RBM_STRICTVALID,
542         NET_TCP_AVAIL_CONG_CONTROL,
543         NET_TCP_ALLOWED_CONG_CONTROL,
544         NET_TCP_MAX_SSTHRESH,
545         NET_TCP_FRTO_RESPONSE,
546         NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
547         NET_IPV4_CONF_FORCE_IGMP_VERSION,
548         NET_IPV4_CONF_ARP_ANNOUNCE,
549         NET_IPV4_CONF_ARP_IGNORE,
550         NET_IPV4_CONF_PROMOTE_SECONDARIES,
551         NET_IPV4_CONF_ARP_ACCEPT,
552         NET_IPV4_CONF_ARP_NOTIFY,
553         NET_IPV6_MLD_MAX_MSF,
554         NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
555         VM_MAX_MAP_COUNT,
556         VM_LAPTOP_MODE,
557         VM_BLOCK_DUMP,
558         VM_HUGETLB_GROUP,
559         VM_VFS_CACHE_PRESSURE,
560         VM_LEGACY_VA_LAYOUT,
561         VM_SWAP_TOKEN_TIMEOUT
562 ]),,,
563 [#include <sys/types.h>
564 #include <linux/sysctl.h>])
565
566 AC_CHECK_DECLS(m4_normalize([
567         V4L2_FIELD_ANY,
568         V4L2_FIELD_NONE,
569         V4L2_FIELD_TOP,
570         V4L2_FIELD_BOTTOM,
571         V4L2_FIELD_INTERLACED,
572         V4L2_FIELD_SEQ_TB,
573         V4L2_FIELD_SEQ_BT,
574         V4L2_FIELD_ALTERNATE,
575         V4L2_FIELD_INTERLACED_TB,
576         V4L2_FIELD_INTERLACED_BT,
577         V4L2_BUF_TYPE_VIDEO_CAPTURE,
578         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
579         V4L2_BUF_TYPE_VIDEO_OUTPUT,
580         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
581         V4L2_BUF_TYPE_VIDEO_OVERLAY,
582         V4L2_BUF_TYPE_VBI_CAPTURE,
583         V4L2_BUF_TYPE_VBI_OUTPUT,
584         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
585         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
586         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
587         V4L2_TUNER_RADIO,
588         V4L2_TUNER_ANALOG_TV,
589         V4L2_TUNER_DIGITAL_TV,
590         V4L2_MEMORY_MMAP,
591         V4L2_MEMORY_USERPTR,
592         V4L2_MEMORY_OVERLAY,
593         V4L2_MEMORY_DMABUF,
594         V4L2_COLORSPACE_SMPTE170M,
595         V4L2_COLORSPACE_SMPTE240M,
596         V4L2_COLORSPACE_REC709,
597         V4L2_COLORSPACE_BT878,
598         V4L2_COLORSPACE_470_SYSTEM_M,
599         V4L2_COLORSPACE_470_SYSTEM_BG,
600         V4L2_COLORSPACE_JPEG,
601         V4L2_COLORSPACE_SRGB,
602         V4L2_PRIORITY_UNSET,
603         V4L2_PRIORITY_BACKGROUND,
604         V4L2_PRIORITY_INTERACTIVE,
605         V4L2_PRIORITY_RECORD,
606         V4L2_FRMSIZE_TYPE_DISCRETE,
607         V4L2_FRMSIZE_TYPE_CONTINUOUS,
608         V4L2_FRMSIZE_TYPE_STEPWISE,
609         V4L2_FRMIVAL_TYPE_DISCRETE,
610         V4L2_FRMIVAL_TYPE_CONTINUOUS,
611         V4L2_FRMIVAL_TYPE_STEPWISE,
612         V4L2_CTRL_TYPE_INTEGER,
613         V4L2_CTRL_TYPE_BOOLEAN,
614         V4L2_CTRL_TYPE_MENU,
615         V4L2_CTRL_TYPE_BUTTON,
616         V4L2_CTRL_TYPE_INTEGER64,
617         V4L2_CTRL_TYPE_CTRL_CLASS,
618         V4L2_CTRL_TYPE_STRING,
619         V4L2_CTRL_TYPE_BITMASK,
620         V4L2_CTRL_TYPE_INTEGER_MENU
621 ]),,, [#include <sys/time.h>
622 #include <linux/ioctl.h>
623 #include <linux/types.h>
624 #include <linux/videodev2.h>])
625
626 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
627         [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
628 #include <stdlib.h>
629 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
630                            [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
631         if test $ac_cv_have_blkgetsize64 = yes; then
632                 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
633         fi)
634
635 AC_CHECK_SIZEOF([long])
636 AC_CHECK_SIZEOF([long long])
637 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
638 AC_CHECK_SIZEOF([kernel_long_t],,[#include "$srcdir/kernel_types.h"])
639 AC_CHECK_SIZEOF([struct i64_i32],,[struct i64_i32 {long long i64; int i32;};])
640
641 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
642                [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
643                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
644                         grep '^[0-9]')"
645                  test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
646 if test "x$st_cv_SIGRTMIN" != xno; then
647         AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
648                            [SIGRTMIN defined in <asm/signal.h>])
649 fi
650 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
651                [st_cv_SA_RESTORER="$(echo SA_RESTORER |
652                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
653                         grep ^0x)"
654                 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
655 if test "x$st_cv_SA_RESTORER" != xno; then
656         AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
657                            [SA_RESTORER defined in <asm/signal.h>])
658 fi
659
660 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
661                [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
662                                [st_cv_have___builtin_popcount=yes],
663                                [st_cv_have___builtin_popcount=no])])
664 if test "x$st_cv_have___builtin_popcount" = xyes; then
665         AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
666                   [Define to 1 if the system provides __builtin_popcount function])
667 fi
668
669 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
670 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
671         AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
672 fi
673 AC_SUBST(dl_LIBS)
674
675 AC_PATH_PROG([PERL], [perl])
676
677 dnl stack trace with libunwind
678 libunwind_CPPFLAGS=
679 libunwind_LDFLAGS=
680 libunwind_LIBS=
681 AC_ARG_WITH([libunwind],
682             [AS_HELP_STRING([--with-libunwind],
683                             [use libunwind to implement stack tracing support])],
684             [case "${withval}" in
685              yes|no|check) ;;
686              *) with_libunwind=yes
687                 libunwind_CPPFLAGS="-I${withval}/include"
688                 libunwind_LDFLAGS="-L${withval}/lib" ;;
689              esac],
690             [with_libunwind=check]
691 )
692
693 use_libunwind=no
694 AS_IF([test "x$with_libunwind" != xno],
695       [saved_CPPFLAGS="$CPPFLAGS"
696        CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
697
698        AC_CHECK_HEADERS([libunwind-ptrace.h],
699          [saved_LDFLAGS="$LDFLAGS"
700           LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
701
702           AC_CHECK_LIB([unwind], [backtrace],
703             [libunwind_LIBS="-lunwind $libunwind_LIBS"
704
705              AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
706              saved_LIBS="$LIBS"
707              LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
708
709              AC_LINK_IFELSE(
710                [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
711                                 [[return !unw_create_addr_space(0, 0)]])
712                ],
713                [AC_MSG_RESULT([yes])
714                 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
715
716                 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
717                   [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
718                    use_libunwind=yes
719                   ],
720                   [if test "x$with_libunwind" != xcheck; then
721                      AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
722                    fi
723                   ],
724                   [$libunwind_LIBS]
725                 )
726                ],
727                [AC_MSG_RESULT([no])
728                 if test "x$with_libunwind" != xcheck; then
729                   AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
730                 fi
731                ]
732              )
733
734              LIBS="$saved_LIBS"
735             ],
736             [if test "x$with_libunwind" != xcheck; then
737                AC_MSG_FAILURE([failed to find libunwind])
738              fi
739             ],
740             [$libunwind_LIBS]
741           )
742
743           LDFLAGS="$saved_LDFLAGS"
744          ],
745          [if test "x$with_libunwind" != xcheck; then
746             AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
747           fi
748          ]
749        )
750
751        CPPFLAGS="$saved_CPPFLAGS"
752       ]
753 )
754
755 dnl enable libunwind
756 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
757 if test "x$use_libunwind" = xyes; then
758         AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
759         AC_SUBST(libunwind_LIBS)
760         AC_SUBST(libunwind_LDFLAGS)
761         AC_SUBST(libunwind_CPPFLAGS)
762 fi
763 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
764 AC_MSG_RESULT([$use_libunwind])
765
766 if test "$arch" = mips && test "$no_create" != yes; then
767         mkdir -p linux/mips
768         if $srcdir/linux/mips/genstub.sh linux/mips; then
769                 AC_MSG_RESULT([Generated MIPS syscallent stubs])
770         else
771                 AC_MSG_FAILURE([Failed to generate syscallent stubs])
772         fi
773 fi
774
775 st_MPERS([m32], [aarch64|powerpc64|sparc64|tile|x32|x86_64])
776 st_MPERS([mx32], [x86_64])
777
778 AX_VALGRIND_DFLT([sgcheck], [off])
779 AX_VALGRIND_CHECK
780
781 AC_CONFIG_FILES([Makefile
782                  tests/Makefile
783                  tests-m32/Makefile
784                  tests-mx32/Makefile
785                  strace.spec
786                  debian/changelog])
787 AC_OUTPUT