granicus.if.org Git - strace/blob - configure.ac

   1 dnl Process this file with autoconf to create configure.  Use autoreconf.
   2 AC_PREREQ(2.57)
   3 AC_INIT([strace],
   4         m4_esyscmd([./git-version-gen .tarball-version]),
   5         [strace-devel@lists.sourceforge.net])
   6 AC_CONFIG_SRCDIR([strace.c])
   7 AC_CONFIG_AUX_DIR([.])
   8 AC_CONFIG_HEADERS([config.h])
   9 AM_INIT_AUTOMAKE([foreign nostdinc dist-xz no-dist-gzip silent-rules parallel-tests])
  10 AM_MAINTAINER_MODE
  11 AC_CANONICAL_HOST
  12
  13 AC_PROG_CC
  14 AX_PROG_CC_FOR_BUILD
  15 AC_USE_SYSTEM_EXTENSIONS
  16 AC_PROG_RANLIB
  17
  18 AC_MSG_CHECKING([for supported architecture])
  19 arch_m32=
  20 arch_mx32=
  21 case "$host_cpu" in
  22 bfin)
  23         arch=bfin
  24         AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
  25         ;;
  26 i[[3456]]86|pentium)
  27         arch=i386
  28         AC_DEFINE([I386], 1, [Define for the i386 architecture.])
  29         ;;
  30 ia64)
  31         arch=ia64
  32         AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
  33         ;;
  34 m68k)
  35         arch=m68k
  36         AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
  37         ;;
  38 sparc64*)
  39         arch=sparc64
  40         arch_m32=sparc
  41         AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
  42         ;;
  43 sparc*)
  44         arch=sparc
  45         AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
  46         ;;
  47 metag*)
  48         arch=metag
  49         AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
  50         ;;
  51 mips*)
  52         arch=mips
  53         AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
  54         ;;
  55 alpha*)
  56         arch=alpha
  57         AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
  58         ;;
  59 powerpc*)
  60         AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
  61         AC_TRY_COMPILE(
  62 [#ifndef __LP64__
  63 # error 32 bit
  64 #endif], [], arch=powerpc64, arch=powerpc)
  65         if test "$arch" = "powerpc64"; then
  66                 arch_m32=powerpc
  67                 AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
  68         fi
  69         ;;
  70 arm*)
  71         arch=arm
  72         AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
  73         ;;
  74 aarch64*)
  75         arch=aarch64
  76         arch_m32=arm
  77         AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
  78         ;;
  79 avr32*)
  80         arch=avr32
  81         AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
  82         ;;
  83 arc*)
  84         arch=arc
  85         AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
  86         ;;
  87 s390)
  88         arch=s390
  89         AC_DEFINE([S390], 1, [Define for the S390 architecture.])
  90         ;;
  91 s390x)
  92         arch=s390x
  93         AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
  94         ;;
  95 hppa*|parisc*)
  96         arch=hppa
  97         AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
  98         ;;
  99 sh64*)
 100         arch=sh64
 101         AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
 102         ;;
 103 sh*)
 104         arch=sh
 105         AC_DEFINE([SH], 1, [Define for the SH architecture.])
 106         ;;
 107 x86?64*)
 108         arch_m32=i386
 109         AC_TRY_COMPILE(
 110 [#ifndef __ILP32__
 111 # error not x32
 112 #endif], [], arch=x32, arch=x86_64)
 113         if test "$arch" = "x86_64"; then
 114                 arch_mx32=x32
 115                 AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
 116         else
 117                 AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
 118         fi
 119         ;;
 120 cris|crisv10)
 121         arch=crisv10
 122         AC_DEFINE([CRISV10], 1, [Define for the CRISv10 architecture.])
 123         ;;
 124 crisv32)
 125         arch=crisv32
 126         AC_DEFINE([CRISV32], 1, [Define for the CRISv32 architecture.])
 127         ;;
 128 tile*)
 129         arch=tile
 130         AC_DEFINE([TILE], 1, [Define for the Tile architecture])
 131         ;;
 132 microblaze*)
 133         arch=microblaze
 134         AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
 135         ;;
 136 nios2*)
 137         arch=nios2
 138         AC_DEFINE([NIOS2], 1, [Define for the Nios-II architecture.])
 139         ;;
 140
 141 or1k*)
 142         arch=or1k
 143         AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
 144         ;;
 145
 146 xtensa*)
 147         arch=xtensa
 148         AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
 149         ;;
 150
 151 *)
 152         AC_MSG_RESULT([NO!])
 153         AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
 154         ;;
 155 esac
 156 AC_MSG_RESULT($arch)
 157
 158 test -n "$arch_m32" ||
 159         arch_m32=$arch
 160 test -n "$arch_mx32" ||
 161         arch_mx32=$arch
 162 AC_SUBST(arch)
 163 AC_SUBST(arch_m32)
 164 AC_SUBST(arch_mx32)
 165
 166 if test "$arch" = mips; then
 167         AC_CACHE_CHECK([for _MIPS_SIM], [st_cv__MIPS_SIM],
 168                        [AC_COMPUTE_INT([st_cv__MIPS_SIM], [_MIPS_SIM],
 169                                        [#include <sgidefs.h>],
 170                                        [AC_MSG_ERROR([_MIPS_SIM cannot be determined])])])
 171
 172         AC_CACHE_CHECK([for MIPS ABI], [st_cv_mips_abi],
 173                 [AC_COMPILE_IFELSE(
 174                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
 175                                          [[int i[_MIPS_SIM == _MIPS_SIM_ABI32 ? 1 : - 1];]])],
 176                         [st_cv_mips_abi=o32],
 177                 [AC_COMPILE_IFELSE(
 178                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
 179                                          [[int i[_MIPS_SIM == _MIPS_SIM_NABI32 ? 1 : - 1];]])],
 180                         [st_cv_mips_abi=n32],
 181                 [AC_COMPILE_IFELSE(
 182                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
 183                                          [[int i[_MIPS_SIM == _MIPS_SIM_ABI64 ? 1 : - 1];]])],
 184                         [st_cv_mips_abi=n64],
 185                         [st_cv_mips_abi=unknown])])])])
 186
 187         case "$st_cv_mips_abi" in
 188                 o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _MIPS_SIM_ABI32.]);;
 189                 n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _MIPS_SIM_NABI32.]);;
 190                 n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _MIPS_SIM_ABI64.]);;
 191                 *) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
 192         esac
 193 fi
 194
 195 AC_ARG_ENABLE([arm-oabi],
 196               [AS_HELP_STRING([--enable-arm-oabi],
 197                               [enable OABI support on ARM EABI])],
 198               [], [enable_arm_oabi=no])
 199 case "$enable_arm_oabi" in
 200         yes) enable_arm_oabi=1 ;;
 201         no) enable_arm_oabi=0 ;;
 202         *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
 203 esac
 204 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
 205                    [Define to 1 if you want OABI support on ARM EABI.])
 206
 207 gl_WARN_ADD([-Wall])
 208 gl_WARN_ADD([-Wwrite-strings])
 209 gl_WARN_ADD([-Wsign-compare])
 210 AC_ARG_ENABLE([gcc-Werror],
 211   [AS_HELP_STRING([--enable-gcc-Werror], [turn on gcc's -Werror option])],
 212   [case $enableval in
 213      yes) gl_WARN_ADD([-Werror]) ;;
 214      no)  ;;
 215      *)   AC_MSG_ERROR([bad value $enableval for gcc-Werror option]) ;;
 216    esac]
 217 )
 218 AC_SUBST([WARN_CFLAGS])
 219
 220 AC_PROG_CPP
 221 AC_PROG_INSTALL
 222 AC_C_CONST
 223 AC_C_BIGENDIAN
 224 AC_HEADER_STDC
 225 AC_HEADER_STDBOOL
 226 AC_HEADER_DIRENT
 227 AC_HEADER_STAT
 228 AC_CHECK_MEMBERS(m4_normalize([
 229         struct stat.st_atim.tv_nsec,
 230         struct stat.st_blksize,
 231         struct stat.st_blocks,
 232         struct stat.st_ctim.tv_nsec,
 233         struct stat.st_flags,
 234         struct stat.st_fstype,
 235         struct stat.st_gen,
 236         struct stat.st_mtim.tv_nsec,
 237         struct stat.st_rdev
 238 ]))
 239
 240 AC_TYPE_SIGNAL
 241 AC_TYPE_UID_T
 242 AC_TYPE_MODE_T
 243 AC_TYPE_GETGROUPS
 244 AC_HEADER_MAJOR
 245 AC_CHECK_TYPES([sig_atomic_t],,, [#include <signal.h>])
 246 AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
 247 [#include <sys/types.h>
 248 #include <sys/socket.h>
 249 #include <netinet/in.h>])
 250
 251 AC_CHECK_FUNCS(m4_normalize([
 252         fanotify_mark
 253         fopen64
 254         fork
 255         fputs_unlocked
 256         fstatat
 257         ftruncate
 258         futimens
 259         if_indextoname
 260         inet_ntop
 261         inet_pton
 262         pipe2
 263         prctl
 264         preadv
 265         process_vm_readv
 266         pwritev
 267         sendmmsg
 268         sigaction
 269         signalfd
 270         stpcpy
 271         strerror
 272         strsignal
 273         utimensat
 274 ]))
 275 AC_CHECK_HEADERS(m4_normalize([
 276         asm/cachectl.h
 277         asm/sysmips.h
 278         bluetooth/bluetooth.h
 279         elf.h
 280         inttypes.h
 281         ioctls.h
 282         linux/bsg.h
 283         linux/falloc.h
 284         linux/filter.h
 285         linux/hiddev.h
 286         linux/ip_vs.h
 287         linux/ipc.h
 288         linux/mmtimer.h
 289         linux/msg.h
 290         linux/perf_event.h
 291         linux/seccomp.h
 292         linux/securebits.h
 293         linux/sem.h
 294         linux/shm.h
 295         linux/utsname.h
 296         mqueue.h
 297         netinet/sctp.h
 298         scsi/sg.h
 299         stropts.h
 300         sys/conf.h
 301         sys/epoll.h
 302         sys/eventfd.h
 303         sys/fanotify.h
 304         sys/ioctl.h
 305         sys/ipc.h
 306         sys/msg.h
 307         sys/reg.h
 308         sys/sem.h
 309         sys/shm.h
 310         sys/signalfd.h
 311         sys/vfs.h
 312         sys/xattr.h
 313 ]))
 314 AC_CHECK_HEADERS([linux/mqueue.h],,, [#include <linux/types.h>])
 315 AC_CHECK_HEADERS([linux/icmp.h linux/in6.h linux/netlink.h linux/if_packet.h],
 316                  [], [], [#include <stddef.h>
 317 #include <sys/socket.h>
 318 #include <asm/types.h>])
 319 AC_CHECK_HEADERS([asm/sigcontext.h], [], [], [#include <signal.h>])
 320 AC_CHECK_TYPES([struct sigcontext],,, [#include <signal.h>])
 321 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
 322 AC_CHECK_HEADERS(m4_normalize([
 323         linux/netfilter_arp/arp_tables.h
 324         linux/netfilter_bridge/ebtables.h
 325         linux/netfilter_ipv4/ip_tables.h
 326         linux/netfilter_ipv6/ip6_tables.h
 327 ]), [], [], [#include <netinet/in.h>
 328 #include <net/if.h>])
 329
 330 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
 331 AC_CHECK_MEMBERS([struct msghdr.msg_control],,, [#include <sys/socket.h>])
 332
 333 AC_CHECK_MEMBERS(m4_normalize([
 334         struct stat.st_atime_nsec,
 335         struct stat.st_ctime_nsec,
 336         struct stat.st_mtime_nsec
 337 ]),,, [#include <sys/types.h>
 338 #include <asm/stat.h>])
 339
 340 AC_CHECK_TYPES([struct stat64],,, [#include <sys/types.h>
 341 #include <asm/stat.h>])
 342 AC_CHECK_TYPES([struct __old_kernel_stat],,, [#include <asm/stat.h>])
 343 AC_CHECK_TYPES([struct statfs64],,, [#include <sys/vfs.h>])
 344
 345 AC_CHECK_TYPES([struct pt_all_user_regs, struct ia64_fpreg, struct ptrace_peeksiginfo_args],,,
 346                [#include <sys/ptrace.h>])
 347
 348 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
 349
 350 AC_CHECK_MEMBERS([struct sigevent._sigev_un._pad,
 351                   struct sigevent.__pad,
 352                   siginfo_t.si_syscall,
 353                   siginfo_t.si_timerid,
 354                   siginfo_t.si_overrun],,, [#include <signal.h>])
 355
 356 AC_CHECK_TYPES([struct flock,
 357                 struct flock64,
 358                 struct __kernel_flock,
 359                 struct __kernel_flock64],,, [#include <sys/types.h>
 360 #include <linux/fcntl.h>])
 361
 362 AC_CHECK_TYPES([__kernel_long_t, __kernel_ulong_t],,, [#include <asm/posix_types.h>])
 363
 364 AC_CHECK_MEMBERS([struct timex.tai],,, [#include <sys/timex.h>])
 365
 366 AC_CHECK_HEADERS([linux/input.h], [
 367         AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
 368 ])
 369
 370 AC_CHECK_HEADERS([linux/bpf.h], [
 371         AC_CACHE_CHECK([whether union bpf_attr.log_buf initialization works],
 372                        [st_cv_have_union_bpf_attr_log_buf],
 373                 [AC_COMPILE_IFELSE(
 374                         [AC_LANG_PROGRAM([[#include <linux/bpf.h>]],
 375                                          [[union bpf_attr a = { .log_buf = 0 };]])],
 376                         [st_cv_have_union_bpf_attr_log_buf=yes],
 377                         [st_cv_have_union_bpf_attr_log_buf=no])])
 378         if test $st_cv_have_union_bpf_attr_log_buf = yes; then
 379                 AC_DEFINE(HAVE_UNION_BPF_ATTR_LOG_BUF, [1],
 380                           [Define to 1 if union bpf_attr.log_buf initialization works])
 381         fi
 382 ])
 383
 384 AC_CHECK_DECLS([sys_errlist])
 385 AC_CHECK_DECLS(m4_normalize([
 386         PTRACE_PEEKUSER,
 387         PTRACE_POKEUSER
 388 ]),,, [#include <sys/ptrace.h>])
 389
 390 AC_CHECK_DECLS(m4_normalize([
 391         P_PID,
 392         P_PPID,
 393         P_PGID,
 394         P_SID,
 395         P_CID,
 396         P_UID,
 397         P_GID,
 398         P_ALL,
 399         P_LWPID
 400 ]),,, [#include <sys/wait.h>])
 401
 402 AC_CHECK_DECLS(m4_normalize([
 403         LO_FLAGS_READ_ONLY,
 404         LO_FLAGS_AUTOCLEAR,
 405         LO_FLAGS_PARTSCAN
 406 ]),,, [#include <linux/loop.h>])
 407
 408 AC_CHECK_DECLS(m4_normalize([
 409         CTL_KERN,
 410         CTL_VM,
 411         CTL_NET,
 412         CTL_PROC,
 413         CTL_FS,
 414         CTL_DEBUG,
 415         CTL_DEV,
 416         CTL_BUS,
 417         CTL_ABI,
 418         CTL_CPU,
 419         CTL_ARLAN,
 420         CTL_S390DBF,
 421         CTL_SUNRPC,
 422         CTL_PM,
 423         CTL_FRV,
 424         KERN_OSTYPE,
 425         KERN_OSRELEASE,
 426         KERN_OSREV,
 427         KERN_VERSION,
 428         KERN_SECUREMASK,
 429         KERN_PROF,
 430         KERN_NODENAME,
 431         KERN_DOMAINNAME,
 432         KERN_PANIC,
 433         KERN_REALROOTDEV,
 434         KERN_SPARC_REBOOT,
 435         KERN_CTLALTDEL,
 436         KERN_PRINTK,
 437         KERN_NAMETRANS,
 438         KERN_PPC_HTABRECLAIM,
 439         KERN_PPC_ZEROPAGED,
 440         KERN_PPC_POWERSAVE_NAP,
 441         KERN_MODPROBE,
 442         KERN_SG_BIG_BUFF,
 443         KERN_ACCT,
 444         KERN_PPC_L2CR,
 445         KERN_RTSIGNR,
 446         KERN_RTSIGMAX,
 447         KERN_SHMMAX,
 448         KERN_MSGMAX,
 449         KERN_MSGMNB,
 450         KERN_MSGPOOL,
 451         KERN_SYSRQ,
 452         KERN_MAX_THREADS,
 453         KERN_RANDOM,
 454         KERN_SHMALL,
 455         KERN_MSGMNI,
 456         KERN_SEM,
 457         KERN_SPARC_STOP_A,
 458         KERN_SHMMNI,
 459         KERN_OVERFLOWUID,
 460         KERN_OVERFLOWGID,
 461         KERN_SHMPATH,
 462         KERN_HOTPLUG,
 463         KERN_IEEE_EMULATION_WARNINGS,
 464         KERN_S390_USER_DEBUG_LOGGING,
 465         KERN_CORE_USES_PID,
 466         KERN_TAINTED,
 467         KERN_CADPID,
 468         KERN_PIDMAX,
 469         KERN_CORE_PATTERN,
 470         KERN_PANIC_ON_OOPS,
 471         KERN_HPPA_PWRSW,
 472         KERN_HPPA_UNALIGNED,
 473         KERN_PRINTK_RATELIMIT,
 474         KERN_PRINTK_RATELIMIT_BURST,
 475         KERN_PTY,
 476         KERN_NGROUPS_MAX,
 477         KERN_SPARC_SCONS_PWROFF,
 478         KERN_HZ_TIMER,
 479         KERN_UNKNOWN_NMI_PANIC,
 480         KERN_BOOTLOADER_TYPE,
 481         KERN_RANDOMIZE,
 482         KERN_SETUID_DUMPABLE,
 483         KERN_SPIN_RETRY,
 484         KERN_ACPI_VIDEO_FLAGS,
 485         KERN_IA64_UNALIGNED,
 486         KERN_COMPAT_LOG,
 487         KERN_MAX_LOCK_DEPTH,
 488         KERN_NMI_WATCHDOG,
 489         KERN_PANIC_ON_NMI,
 490         NET_CORE,
 491         NET_ETHER,
 492         NET_802,
 493         NET_UNIX,
 494         NET_IPV4,
 495         NET_IPX,
 496         NET_ATALK,
 497         NET_NETROM,
 498         NET_AX25,
 499         NET_BRIDGE,
 500         NET_ROSE,
 501         NET_IPV6,
 502         NET_X25,
 503         NET_TR,
 504         NET_DECNET,
 505         NET_ECONET,
 506         NET_SCTP,
 507         NET_LLC,
 508         NET_NETFILTER,
 509         NET_DCCP,
 510         NET_IRDA,
 511         NET_CORE_WMEM_MAX,
 512         NET_CORE_RMEM_MAX,
 513         NET_CORE_WMEM_DEFAULT,
 514         NET_CORE_RMEM_DEFAULT,
 515         NET_CORE_DESTROY_DELAY,
 516         NET_CORE_MAX_BACKLOG,
 517         NET_CORE_FASTROUTE,
 518         NET_CORE_MSG_COST,
 519         NET_CORE_MSG_BURST,
 520         NET_CORE_OPTMEM_MAX,
 521         NET_CORE_HOT_LIST_LENGTH,
 522         NET_CORE_DIVERT_VERSION,
 523         NET_CORE_NO_CONG_THRESH,
 524         NET_CORE_NO_CONG,
 525         NET_CORE_LO_CONG,
 526         NET_CORE_MOD_CONG,
 527         NET_CORE_DEV_WEIGHT,
 528         NET_CORE_SOMAXCONN,
 529         NET_CORE_BUDGET,
 530         NET_CORE_AEVENT_ETIME,
 531         NET_CORE_AEVENT_RSEQTH,
 532         NET_CORE_WARNINGS,
 533         NET_IPV4_FORWARD,
 534         NET_IPV4_DYNADDR,
 535         NET_IPV4_CONF,
 536         NET_IPV4_NEIGH,
 537         NET_IPV4_ROUTE,
 538         NET_IPV4_FIB_HASH,
 539         NET_IPV4_NETFILTER,
 540         NET_IPV4_TCP_TIMESTAMPS,
 541         NET_IPV4_TCP_WINDOW_SCALING,
 542         NET_IPV4_TCP_SACK,
 543         NET_IPV4_TCP_RETRANS_COLLAPSE,
 544         NET_IPV4_DEFAULT_TTL,
 545         NET_IPV4_AUTOCONFIG,
 546         NET_IPV4_NO_PMTU_DISC,
 547         NET_IPV4_TCP_SYN_RETRIES,
 548         NET_IPV4_IPFRAG_HIGH_THRESH,
 549         NET_IPV4_IPFRAG_LOW_THRESH,
 550         NET_IPV4_IPFRAG_TIME,
 551         NET_IPV4_TCP_MAX_KA_PROBES,
 552         NET_IPV4_TCP_KEEPALIVE_TIME,
 553         NET_IPV4_TCP_KEEPALIVE_PROBES,
 554         NET_IPV4_TCP_RETRIES1,
 555         NET_IPV4_TCP_RETRIES2,
 556         NET_IPV4_TCP_FIN_TIMEOUT,
 557         NET_IPV4_IP_MASQ_DEBUG,
 558         NET_TCP_SYNCOOKIES,
 559         NET_TCP_STDURG,
 560         NET_TCP_RFC1337,
 561         NET_TCP_SYN_TAILDROP,
 562         NET_TCP_MAX_SYN_BACKLOG,
 563         NET_IPV4_LOCAL_PORT_RANGE,
 564         NET_IPV4_ICMP_ECHO_IGNORE_ALL,
 565         NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
 566         NET_IPV4_ICMP_SOURCEQUENCH_RATE,
 567         NET_IPV4_ICMP_DESTUNREACH_RATE,
 568         NET_IPV4_ICMP_TIMEEXCEED_RATE,
 569         NET_IPV4_ICMP_PARAMPROB_RATE,
 570         NET_IPV4_ICMP_ECHOREPLY_RATE,
 571         NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
 572         NET_IPV4_IGMP_MAX_MEMBERSHIPS,
 573         NET_TCP_TW_RECYCLE,
 574         NET_IPV4_ALWAYS_DEFRAG,
 575         NET_IPV4_TCP_KEEPALIVE_INTVL,
 576         NET_IPV4_INET_PEER_THRESHOLD,
 577         NET_IPV4_INET_PEER_MINTTL,
 578         NET_IPV4_INET_PEER_MAXTTL,
 579         NET_IPV4_INET_PEER_GC_MINTIME,
 580         NET_IPV4_INET_PEER_GC_MAXTIME,
 581         NET_TCP_ORPHAN_RETRIES,
 582         NET_TCP_ABORT_ON_OVERFLOW,
 583         NET_TCP_SYNACK_RETRIES,
 584         NET_TCP_MAX_ORPHANS,
 585         NET_TCP_MAX_TW_BUCKETS,
 586         NET_TCP_FACK,
 587         NET_TCP_REORDERING,
 588         NET_TCP_ECN,
 589         NET_TCP_DSACK,
 590         NET_TCP_MEM,
 591         NET_TCP_WMEM,
 592         NET_TCP_RMEM,
 593         NET_TCP_APP_WIN,
 594         NET_TCP_ADV_WIN_SCALE,
 595         NET_IPV4_NONLOCAL_BIND,
 596         NET_IPV4_ICMP_RATELIMIT,
 597         NET_IPV4_ICMP_RATEMASK,
 598         NET_TCP_TW_REUSE,
 599         NET_TCP_FRTO,
 600         NET_TCP_LOW_LATENCY,
 601         NET_IPV4_IPFRAG_SECRET_INTERVAL,
 602         NET_IPV4_IGMP_MAX_MSF,
 603         NET_TCP_NO_METRICS_SAVE,
 604         NET_TCP_DEFAULT_WIN_SCALE,
 605         NET_TCP_MODERATE_RCVBUF,
 606         NET_TCP_TSO_WIN_DIVISOR,
 607         NET_TCP_BIC_BETA,
 608         NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
 609         NET_TCP_CONG_CONTROL,
 610         NET_TCP_ABC,
 611         NET_IPV4_IPFRAG_MAX_DIST,
 612         NET_TCP_MTU_PROBING,
 613         NET_TCP_BASE_MSS,
 614         NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
 615         NET_TCP_DMA_COPYBREAK,
 616         NET_TCP_SLOW_START_AFTER_IDLE,
 617         NET_CIPSOV4_CACHE_ENABLE,
 618         NET_CIPSOV4_CACHE_BUCKET_SIZE,
 619         NET_CIPSOV4_RBM_OPTFMT,
 620         NET_CIPSOV4_RBM_STRICTVALID,
 621         NET_TCP_AVAIL_CONG_CONTROL,
 622         NET_TCP_ALLOWED_CONG_CONTROL,
 623         NET_TCP_MAX_SSTHRESH,
 624         NET_TCP_FRTO_RESPONSE,
 625         NET_IPV4_ROUTE_FLUSH,
 626         NET_IPV4_ROUTE_MIN_DELAY,
 627         NET_IPV4_ROUTE_MAX_DELAY,
 628         NET_IPV4_ROUTE_GC_THRESH,
 629         NET_IPV4_ROUTE_MAX_SIZE,
 630         NET_IPV4_ROUTE_GC_MIN_INTERVAL,
 631         NET_IPV4_ROUTE_GC_TIMEOUT,
 632         NET_IPV4_ROUTE_GC_INTERVAL,
 633         NET_IPV4_ROUTE_REDIRECT_LOAD,
 634         NET_IPV4_ROUTE_REDIRECT_NUMBER,
 635         NET_IPV4_ROUTE_REDIRECT_SILENCE,
 636         NET_IPV4_ROUTE_ERROR_COST,
 637         NET_IPV4_ROUTE_ERROR_BURST,
 638         NET_IPV4_ROUTE_GC_ELASTICITY,
 639         NET_IPV4_ROUTE_MTU_EXPIRES,
 640         NET_IPV4_ROUTE_MIN_PMTU,
 641         NET_IPV4_ROUTE_MIN_ADVMSS,
 642         NET_IPV4_ROUTE_SECRET_INTERVAL,
 643         NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
 644         NET_IPV4_CONF_FORWARDING,
 645         NET_IPV4_CONF_MC_FORWARDING,
 646         NET_IPV4_CONF_PROXY_ARP,
 647         NET_IPV4_CONF_ACCEPT_REDIRECTS,
 648         NET_IPV4_CONF_SECURE_REDIRECTS,
 649         NET_IPV4_CONF_SEND_REDIRECTS,
 650         NET_IPV4_CONF_SHARED_MEDIA,
 651         NET_IPV4_CONF_RP_FILTER,
 652         NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,
 653         NET_IPV4_CONF_BOOTP_RELAY,
 654         NET_IPV4_CONF_LOG_MARTIANS,
 655         NET_IPV4_CONF_TAG,
 656         NET_IPV4_CONF_ARPFILTER,
 657         NET_IPV4_CONF_MEDIUM_ID,
 658         NET_IPV4_CONF_NOXFRM,
 659         NET_IPV4_CONF_NOPOLICY,
 660         NET_IPV4_CONF_FORCE_IGMP_VERSION,
 661         NET_IPV4_CONF_ARP_ANNOUNCE,
 662         NET_IPV4_CONF_ARP_IGNORE,
 663         NET_IPV4_CONF_PROMOTE_SECONDARIES,
 664         NET_IPV4_CONF_ARP_ACCEPT,
 665         NET_IPV4_CONF_ARP_NOTIFY,
 666         NET_IPV6_CONF,
 667         NET_IPV6_NEIGH,
 668         NET_IPV6_ROUTE,
 669         NET_IPV6_ICMP,
 670         NET_IPV6_BINDV6ONLY,
 671         NET_IPV6_IP6FRAG_HIGH_THRESH,
 672         NET_IPV6_IP6FRAG_LOW_THRESH,
 673         NET_IPV6_IP6FRAG_TIME,
 674         NET_IPV6_IP6FRAG_SECRET_INTERVAL,
 675         NET_IPV6_MLD_MAX_MSF,
 676         NET_IPV6_ROUTE_FLUSH,
 677         NET_IPV6_ROUTE_GC_THRESH,
 678         NET_IPV6_ROUTE_MAX_SIZE,
 679         NET_IPV6_ROUTE_GC_MIN_INTERVAL,
 680         NET_IPV6_ROUTE_GC_TIMEOUT,
 681         NET_IPV6_ROUTE_GC_INTERVAL,
 682         NET_IPV6_ROUTE_GC_ELASTICITY,
 683         NET_IPV6_ROUTE_MTU_EXPIRES,
 684         NET_IPV6_ROUTE_MIN_ADVMSS,
 685         NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
 686         NET_UNIX_DESTROY_DELAY,
 687         NET_UNIX_DELETE_DELAY,
 688         NET_UNIX_MAX_DGRAM_QLEN,
 689         VM_OVERCOMMIT_MEMORY,
 690         VM_PAGE_CLUSTER,
 691         VM_DIRTY_BACKGROUND,
 692         VM_DIRTY_RATIO,
 693         VM_DIRTY_WB_CS,
 694         VM_DIRTY_EXPIRE_CS,
 695         VM_NR_PDFLUSH_THREADS,
 696         VM_OVERCOMMIT_RATIO,
 697         VM_PAGEBUF,
 698         VM_HUGETLB_PAGES,
 699         VM_SWAPPINESS,
 700         VM_LOWMEM_RESERVE_RATIO,
 701         VM_MIN_FREE_KBYTES,
 702         VM_MAX_MAP_COUNT,
 703         VM_LAPTOP_MODE,
 704         VM_BLOCK_DUMP,
 705         VM_HUGETLB_GROUP,
 706         VM_VFS_CACHE_PRESSURE,
 707         VM_LEGACY_VA_LAYOUT,
 708         VM_SWAP_TOKEN_TIMEOUT
 709 ]),,,
 710 [#include <sys/types.h>
 711 #include <linux/sysctl.h>])
 712
 713 AC_CHECK_DECLS(m4_normalize([
 714         V4L2_FIELD_ANY,
 715         V4L2_FIELD_NONE,
 716         V4L2_FIELD_TOP,
 717         V4L2_FIELD_BOTTOM,
 718         V4L2_FIELD_INTERLACED,
 719         V4L2_FIELD_SEQ_TB,
 720         V4L2_FIELD_SEQ_BT,
 721         V4L2_FIELD_ALTERNATE,
 722         V4L2_FIELD_INTERLACED_TB,
 723         V4L2_FIELD_INTERLACED_BT,
 724         V4L2_BUF_TYPE_VIDEO_CAPTURE,
 725         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
 726         V4L2_BUF_TYPE_VIDEO_OUTPUT,
 727         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
 728         V4L2_BUF_TYPE_VIDEO_OVERLAY,
 729         V4L2_BUF_TYPE_VBI_CAPTURE,
 730         V4L2_BUF_TYPE_VBI_OUTPUT,
 731         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
 732         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
 733         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
 734         V4L2_TUNER_RADIO,
 735         V4L2_TUNER_ANALOG_TV,
 736         V4L2_TUNER_DIGITAL_TV,
 737         V4L2_MEMORY_MMAP,
 738         V4L2_MEMORY_USERPTR,
 739         V4L2_MEMORY_OVERLAY,
 740         V4L2_MEMORY_DMABUF,
 741         V4L2_COLORSPACE_SMPTE170M,
 742         V4L2_COLORSPACE_SMPTE240M,
 743         V4L2_COLORSPACE_REC709,
 744         V4L2_COLORSPACE_BT878,
 745         V4L2_COLORSPACE_470_SYSTEM_M,
 746         V4L2_COLORSPACE_470_SYSTEM_BG,
 747         V4L2_COLORSPACE_JPEG,
 748         V4L2_COLORSPACE_SRGB,
 749         V4L2_PRIORITY_UNSET,
 750         V4L2_PRIORITY_BACKGROUND,
 751         V4L2_PRIORITY_INTERACTIVE,
 752         V4L2_PRIORITY_RECORD,
 753         V4L2_FRMSIZE_TYPE_DISCRETE,
 754         V4L2_FRMSIZE_TYPE_CONTINUOUS,
 755         V4L2_FRMSIZE_TYPE_STEPWISE,
 756         V4L2_FRMIVAL_TYPE_DISCRETE,
 757         V4L2_FRMIVAL_TYPE_CONTINUOUS,
 758         V4L2_FRMIVAL_TYPE_STEPWISE,
 759         V4L2_CTRL_TYPE_INTEGER,
 760         V4L2_CTRL_TYPE_BOOLEAN,
 761         V4L2_CTRL_TYPE_MENU,
 762         V4L2_CTRL_TYPE_BUTTON,
 763         V4L2_CTRL_TYPE_INTEGER64,
 764         V4L2_CTRL_TYPE_CTRL_CLASS,
 765         V4L2_CTRL_TYPE_STRING,
 766         V4L2_CTRL_TYPE_BITMASK,
 767         V4L2_CTRL_TYPE_INTEGER_MENU
 768 ]),,, [#include <linux/videodev2.h>])
 769
 770 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
 771         [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
 772 #include <stdlib.h>
 773 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
 774                            [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
 775         if test $ac_cv_have_blkgetsize64 = yes; then
 776                 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
 777         fi)
 778
 779 AC_CHECK_SIZEOF([long])
 780 AC_CHECK_SIZEOF([long long])
 781 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
 782 AC_CHECK_SIZEOF([struct i64_i32],,[struct i64_i32 {long long i64; int i32;};])
 783
 784 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
 785                [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
 786                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
 787                         grep '^[0-9]')"
 788                  test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
 789 if test "x$st_cv_SIGRTMIN" != xno; then
 790         AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
 791                            [SIGRTMIN defined in <asm/signal.h>])
 792 fi
 793 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
 794                [st_cv_SA_RESTORER="$(echo SA_RESTORER |
 795                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
 796                         grep ^0x)"
 797                 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
 798 if test "x$st_cv_SA_RESTORER" != xno; then
 799         AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
 800                            [SA_RESTORER defined in <asm/signal.h>])
 801 fi
 802
 803 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
 804                [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
 805                                [st_cv_have___builtin_popcount=yes],
 806                                [st_cv_have___builtin_popcount=no])])
 807 if test "x$st_cv_have___builtin_popcount" = xyes; then
 808         AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
 809                   [Define to 1 if the system provides __builtin_popcount function])
 810 fi
 811
 812 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
 813 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
 814         AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
 815 fi
 816 AC_SUBST(dl_LIBS)
 817
 818 AC_PATH_PROG([PERL], [perl])
 819
 820 dnl stack trace with libunwind
 821 libunwind_CPPFLAGS=
 822 libunwind_LDFLAGS=
 823 libunwind_LIBS=
 824 AC_ARG_WITH([libunwind],
 825             [AS_HELP_STRING([--with-libunwind],
 826                             [use libunwind to implement stack tracing support])],
 827             [case "${withval}" in
 828              yes|no|check) ;;
 829              *) with_libunwind=yes
 830                 libunwind_CPPFLAGS="-I${withval}/include"
 831                 libunwind_LDFLAGS="-L${withval}/lib" ;;
 832              esac],
 833             [with_libunwind=check]
 834 )
 835
 836 use_libunwind=no
 837 AS_IF([test "x$with_libunwind" != xno],
 838       [saved_CPPFLAGS="$CPPFLAGS"
 839        CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
 840
 841        AC_CHECK_HEADERS([libunwind-ptrace.h],
 842          [saved_LDFLAGS="$LDFLAGS"
 843           LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
 844
 845           AC_CHECK_LIB([unwind], [backtrace],
 846             [libunwind_LIBS="-lunwind $libunwind_LIBS"
 847
 848              AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
 849              saved_LIBS="$LIBS"
 850              LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
 851
 852              AC_LINK_IFELSE(
 853                [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
 854                                 [[return !unw_create_addr_space(0, 0)]])
 855                ],
 856                [AC_MSG_RESULT([yes])
 857                 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
 858
 859                 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
 860                   [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
 861                    use_libunwind=yes
 862                   ],
 863                   [if test "x$with_libunwind" != xcheck; then
 864                      AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
 865                    fi
 866                   ],
 867                   [$libunwind_LIBS]
 868                 )
 869                ],
 870                [AC_MSG_RESULT([no])
 871                 if test "x$with_libunwind" != xcheck; then
 872                   AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
 873                 fi
 874                ]
 875              )
 876
 877              LIBS="$saved_LIBS"
 878             ],
 879             [if test "x$with_libunwind" != xcheck; then
 880                AC_MSG_FAILURE([failed to find libunwind])
 881              fi
 882             ],
 883             [$libunwind_LIBS]
 884           )
 885
 886           LDFLAGS="$saved_LDFLAGS"
 887          ],
 888          [if test "x$with_libunwind" != xcheck; then
 889             AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
 890           fi
 891          ]
 892        )
 893
 894        CPPFLAGS="$saved_CPPFLAGS"
 895       ]
 896 )
 897
 898 dnl enable libunwind
 899 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
 900 if test "x$use_libunwind" = xyes; then
 901         AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
 902         AC_SUBST(libunwind_LIBS)
 903         AC_SUBST(libunwind_LDFLAGS)
 904         AC_SUBST(libunwind_CPPFLAGS)
 905 fi
 906 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
 907 AC_MSG_RESULT([$use_libunwind])
 908
 909 if test "$arch" = mips && test "$no_create" != yes; then
 910         mkdir -p linux/mips
 911         if $srcdir/linux/mips/genstub.sh linux/mips; then
 912                 AC_MSG_RESULT([Generated MIPS syscallent stubs])
 913         else
 914                 AC_MSG_FAILURE([Failed to generate syscallent stubs])
 915         fi
 916 fi
 917
 918 st_MPERS([m32], [aarch64|powerpc64|sparc64|tile|x32|x86_64])
 919 st_MPERS([mx32], [x86_64])
 920
 921 AC_CONFIG_FILES([Makefile tests/Makefile tests-m32/Makefile tests-mx32/Makefile])
 922 AC_OUTPUT