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 dist-xz no-dist-gzip silent-rules parallel-tests])
  10 AM_MAINTAINER_MODE
  11 AC_CANONICAL_HOST
  12
  13 AC_PROG_CC
  14 AC_USE_SYSTEM_EXTENSIONS
  15
  16 AC_MSG_CHECKING([for supported architecture])
  17 case "$host_cpu" in
  18 bfin)
  19         arch=bfin
  20         AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
  21         ;;
  22 i[[3456]]86|pentium)
  23         arch=i386
  24         AC_DEFINE([I386], 1, [Define for the i386 architecture.])
  25         ;;
  26 ia64)
  27         arch=ia64
  28         AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
  29         ;;
  30 m68k)
  31         arch=m68k
  32         AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
  33         ;;
  34 sparc64*)
  35         arch=sparc64
  36         AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
  37         ;;
  38 sparc*)
  39         arch=sparc
  40         AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
  41         ;;
  42 metag*)
  43         arch=metag
  44         AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
  45         ;;
  46 mips*)
  47         arch=mips
  48         AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
  49         ;;
  50 alpha*)
  51         arch=alpha
  52         AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
  53         ;;
  54 powerpc*)
  55         arch=powerpc
  56         AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
  57         AC_TRY_COMPILE(
  58 [#ifndef __LP64__
  59 # error 32 bit
  60 #endif], [], ppc_bits=64, ppc_bits=32)
  61         if test "$ppc_bits" = "64"; then
  62                 AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
  63         fi
  64         ;;
  65 arm*)
  66         arch=arm
  67         AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
  68         ;;
  69 aarch64*)
  70         arch=aarch64
  71         AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
  72         ;;
  73 avr32*)
  74         arch=avr32
  75         AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
  76         ;;
  77 arc*)
  78         arch=arc
  79         AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
  80         ;;
  81 s390)
  82         arch=s390
  83         AC_DEFINE([S390], 1, [Define for the S390 architecture.])
  84         ;;
  85 s390x)
  86         arch=s390x
  87         AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
  88         ;;
  89 hppa*|parisc*)
  90         arch=hppa
  91         AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
  92         ;;
  93 sh64*)
  94         arch=sh64
  95         AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
  96         ;;
  97 sh*)
  98         arch=sh
  99         AC_DEFINE([SH], 1, [Define for the SH architecture.])
 100         ;;
 101 x86?64*)
 102         AC_TRY_COMPILE(
 103 [#ifndef __ILP32__
 104 # error not x32
 105 #endif], [], arch=x32, arch=x86_64)
 106         if test "$arch" = "x86_64"; then
 107                 AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
 108         else
 109                 AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
 110         fi
 111         ;;
 112 cris|crisv10)
 113         arch=crisv10
 114         AC_DEFINE([CRISV10], 1, [Define for the CRISv10 architecture.])
 115         ;;
 116 crisv32)
 117         arch=crisv32
 118         AC_DEFINE([CRISV32], 1, [Define for the CRISv32 architecture.])
 119         ;;
 120 tile*)
 121         arch=tile
 122         AC_DEFINE([TILE], 1, [Define for the Tile architecture])
 123         ;;
 124 microblaze*)
 125         arch=microblaze
 126         AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
 127         ;;
 128 or1k*)
 129         arch=or1k
 130         AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
 131         ;;
 132
 133 xtensa*)
 134         arch=xtensa
 135         AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
 136         ;;
 137
 138 *)
 139         AC_MSG_RESULT([NO!])
 140         AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
 141         ;;
 142 esac
 143 AC_MSG_RESULT($arch)
 144
 145 AC_SUBST(arch)
 146
 147 AM_CONDITIONAL([I386], [test x$arch = xi386])
 148 AM_CONDITIONAL([X86_64], [test x$arch = xx86_64])
 149 AM_CONDITIONAL([X32], [test x$arch = xx32])
 150
 151 AC_INCLUDEDIR
 152
 153 AC_ARG_ENABLE([arm-oabi],
 154               [AS_HELP_STRING([--enable-arm-oabi],
 155                               [enable OABI support on ARM EABI])],
 156               [], [enable_arm_oabi=no])
 157 case "$enable_arm_oabi" in
 158         yes) enable_arm_oabi=1 ;;
 159         no) enable_arm_oabi=0 ;;
 160         *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
 161 esac
 162 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
 163                    [Define to 1 if you want OABI support on ARM EABI.])
 164
 165 gl_WARN_ADD([-Wall])
 166 gl_WARN_ADD([-Wwrite-strings])
 167 gl_WARN_ADD([-Wsign-compare])
 168 AC_ARG_ENABLE([gcc-Werror],
 169   [AS_HELP_STRING([--enable-gcc-Werror], [turn on gcc's -Werror option])],
 170   [case $enableval in
 171      yes) gl_WARN_ADD([-Werror]) ;;
 172      no)  ;;
 173      *)   AC_MSG_ERROR([bad value $enableval for gcc-Werror option]) ;;
 174    esac]
 175 )
 176 AC_SUBST([WARN_CFLAGS])
 177
 178 AC_PROG_CPP
 179 AC_PROG_INSTALL
 180 AC_C_CONST
 181 AC_C_BIGENDIAN
 182 AC_HEADER_STDC
 183 AC_HEADER_STDBOOL
 184 AC_HEADER_DIRENT
 185 AC_HEADER_STAT
 186 AC_CHECK_MEMBERS(m4_normalize([
 187         struct stat.st_aclcnt,
 188         struct stat.st_blksize,
 189         struct stat.st_blocks,
 190         struct stat.st_flags,
 191         struct stat.st_fstype,
 192         struct stat.st_gen,
 193         struct stat.st_level,
 194         struct stat.st_rdev
 195 ]))
 196 AC_STAT64
 197 AC_STATFS64
 198
 199 AC_TYPE_SIGNAL
 200 AC_TYPE_UID_T
 201 AC_TYPE_MODE_T
 202 AC_TYPE_GETGROUPS
 203 AC_HEADER_MAJOR
 204 AC_CHECK_TYPES([sig_atomic_t, siginfo_t],,, [#include <signal.h>])
 205 AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
 206 [#include <sys/types.h>
 207 #include <sys/socket.h>
 208 #include <netinet/in.h>])
 209 AC_LITTLE_ENDIAN_LONG_LONG
 210
 211 AC_CHECK_FUNCS(m4_normalize([
 212         fopen64
 213         fork
 214         fputs_unlocked
 215         if_indextoname
 216         inet_ntop
 217         prctl
 218         preadv
 219         process_vm_readv
 220         pwritev
 221         sendmsg
 222         sendmmsg
 223         sigaction
 224         stpcpy
 225         strerror
 226         strsignal
 227 ]))
 228 AC_CHECK_HEADERS(m4_normalize([
 229         asm/cachectl.h
 230         asm/sysmips.h
 231         bluetooth/bluetooth.h
 232         elf.h
 233         inttypes.h
 234         ioctls.h
 235         linux/falloc.h
 236         linux/perf_event.h
 237         linux/ptrace.h
 238         linux/utsname.h
 239         mqueue.h
 240         netinet/sctp.h
 241         poll.h
 242         scsi/sg.h
 243         stropts.h
 244         sys/conf.h
 245         sys/epoll.h
 246         sys/filio.h
 247         sys/ioctl.h
 248         sys/poll.h
 249         sys/ptrace.h
 250         sys/reg.h
 251         sys/vfs.h
 252         sys/xattr.h
 253 ]))
 254 AC_CHECK_HEADERS([linux/icmp.h linux/in6.h linux/netlink.h linux/if_packet.h],
 255                  [], [], [#include <stddef.h>
 256 #include <sys/socket.h>
 257 #include <asm/types.h>])
 258 AC_CHECK_HEADERS([asm/sigcontext.h], [], [], [#include <signal.h>])
 259 AC_CHECK_TYPES([struct sigcontext],,, [#include <signal.h>])
 260 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
 261
 262 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
 263 AC_CHECK_MEMBERS([struct msghdr.msg_control],,, [#include <sys/socket.h>])
 264
 265 AC_CHECK_TYPES([struct __old_kernel_stat],,, [#include <asm/stat.h>])
 266
 267 AC_CHECK_TYPES([struct pt_all_user_regs, struct ia64_fpreg, struct ptrace_peeksiginfo_args],,,
 268                [#include <sys/ptrace.h>])
 269
 270 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
 271
 272 AC_CHECK_MEMBERS([struct sigevent._sigev_un._pad,
 273                   struct sigevent.__pad,
 274                   siginfo_t.si_syscall],,, [#include <signal.h>])
 275
 276 AC_CHECK_MEMBERS([struct sysinfo.totalhigh,
 277                   struct sysinfo.freehigh,
 278                   struct sysinfo.mem_unit],,, [#include <sys/sysinfo.h>])
 279
 280 AC_CHECK_TYPES([struct flock64],,, [#include <fcntl.h>])
 281
 282 AC_CHECK_HEADERS([libaio.h], [
 283         AC_CHECK_MEMBERS([struct iocb.u.c.flags],,, [#include <libaio.h>])
 284         AC_CHECK_DECLS([IO_CMD_PWRITE, IO_CMD_PWRITEV],,, [#include <libaio.h>])
 285 ])
 286
 287 AC_CHECK_DECLS([sys_errlist])
 288 AC_CHECK_DECLS(m4_normalize([
 289         PTRACE_EVENT_CLONE,
 290         PTRACE_EVENT_EXEC,
 291         PTRACE_EVENT_EXIT,
 292         PTRACE_EVENT_FORK,
 293         PTRACE_EVENT_VFORK,
 294         PTRACE_EVENT_VFORK_DONE,
 295         PTRACE_GETEVENTMSG,
 296         PTRACE_GETSIGINFO,
 297         PTRACE_O_TRACECLONE,
 298         PTRACE_O_TRACEEXEC,
 299         PTRACE_O_TRACEEXIT,
 300         PTRACE_O_TRACEFORK,
 301         PTRACE_O_TRACESYSGOOD,
 302         PTRACE_O_TRACEVFORK,
 303         PTRACE_PEEKUSER,
 304         PTRACE_POKEUSER,
 305         PTRACE_SETOPTIONS
 306 ]),,, [#include <sys/ptrace.h>])
 307
 308 AC_CHECK_DECLS(m4_normalize([
 309         P_PID,
 310         P_PPID,
 311         P_PGID,
 312         P_SID,
 313         P_CID,
 314         P_UID,
 315         P_GID,
 316         P_ALL,
 317         P_LWPID
 318 ]),,, [#include <sys/wait.h>])
 319
 320 AC_CHECK_DECLS(m4_normalize([
 321         LO_FLAGS_READ_ONLY,
 322         LO_FLAGS_AUTOCLEAR,
 323         LO_FLAGS_PARTSCAN
 324 ]),,, [#include <linux/loop.h>])
 325
 326 AC_CHECK_DECLS(m4_normalize([
 327         CTL_KERN,
 328         CTL_VM,
 329         CTL_NET,
 330         CTL_PROC,
 331         CTL_FS,
 332         CTL_DEBUG,
 333         CTL_DEV,
 334         CTL_BUS,
 335         CTL_ABI,
 336         CTL_CPU,
 337         CTL_ARLAN,
 338         CTL_S390DBF,
 339         CTL_SUNRPC,
 340         CTL_PM,
 341         CTL_FRV,
 342         KERN_OSTYPE,
 343         KERN_OSRELEASE,
 344         KERN_OSREV,
 345         KERN_VERSION,
 346         KERN_SECUREMASK,
 347         KERN_PROF,
 348         KERN_NODENAME,
 349         KERN_DOMAINNAME,
 350         KERN_PANIC,
 351         KERN_REALROOTDEV,
 352         KERN_SPARC_REBOOT,
 353         KERN_CTLALTDEL,
 354         KERN_PRINTK,
 355         KERN_NAMETRANS,
 356         KERN_PPC_HTABRECLAIM,
 357         KERN_PPC_ZEROPAGED,
 358         KERN_PPC_POWERSAVE_NAP,
 359         KERN_MODPROBE,
 360         KERN_SG_BIG_BUFF,
 361         KERN_ACCT,
 362         KERN_PPC_L2CR,
 363         KERN_RTSIGNR,
 364         KERN_RTSIGMAX,
 365         KERN_SHMMAX,
 366         KERN_MSGMAX,
 367         KERN_MSGMNB,
 368         KERN_MSGPOOL,
 369         KERN_SYSRQ,
 370         KERN_MAX_THREADS,
 371         KERN_RANDOM,
 372         KERN_SHMALL,
 373         KERN_MSGMNI,
 374         KERN_SEM,
 375         KERN_SPARC_STOP_A,
 376         KERN_SHMMNI,
 377         KERN_OVERFLOWUID,
 378         KERN_OVERFLOWGID,
 379         KERN_SHMPATH,
 380         KERN_HOTPLUG,
 381         KERN_IEEE_EMULATION_WARNINGS,
 382         KERN_S390_USER_DEBUG_LOGGING,
 383         KERN_CORE_USES_PID,
 384         KERN_TAINTED,
 385         KERN_CADPID,
 386         KERN_PIDMAX,
 387         KERN_CORE_PATTERN,
 388         KERN_PANIC_ON_OOPS,
 389         KERN_HPPA_PWRSW,
 390         KERN_HPPA_UNALIGNED,
 391         KERN_PRINTK_RATELIMIT,
 392         KERN_PRINTK_RATELIMIT_BURST,
 393         KERN_PTY,
 394         KERN_NGROUPS_MAX,
 395         KERN_SPARC_SCONS_PWROFF,
 396         KERN_HZ_TIMER,
 397         KERN_UNKNOWN_NMI_PANIC,
 398         KERN_BOOTLOADER_TYPE,
 399         KERN_RANDOMIZE,
 400         KERN_SETUID_DUMPABLE,
 401         KERN_SPIN_RETRY,
 402         KERN_ACPI_VIDEO_FLAGS,
 403         KERN_IA64_UNALIGNED,
 404         KERN_COMPAT_LOG,
 405         KERN_MAX_LOCK_DEPTH,
 406         KERN_NMI_WATCHDOG,
 407         KERN_PANIC_ON_NMI,
 408         NET_CORE,
 409         NET_ETHER,
 410         NET_802,
 411         NET_UNIX,
 412         NET_IPV4,
 413         NET_IPX,
 414         NET_ATALK,
 415         NET_NETROM,
 416         NET_AX25,
 417         NET_BRIDGE,
 418         NET_ROSE,
 419         NET_IPV6,
 420         NET_X25,
 421         NET_TR,
 422         NET_DECNET,
 423         NET_ECONET,
 424         NET_SCTP,
 425         NET_LLC,
 426         NET_NETFILTER,
 427         NET_DCCP,
 428         NET_IRDA,
 429         NET_CORE_WMEM_MAX,
 430         NET_CORE_RMEM_MAX,
 431         NET_CORE_WMEM_DEFAULT,
 432         NET_CORE_RMEM_DEFAULT,
 433         NET_CORE_DESTROY_DELAY,
 434         NET_CORE_MAX_BACKLOG,
 435         NET_CORE_FASTROUTE,
 436         NET_CORE_MSG_COST,
 437         NET_CORE_MSG_BURST,
 438         NET_CORE_OPTMEM_MAX,
 439         NET_CORE_HOT_LIST_LENGTH,
 440         NET_CORE_DIVERT_VERSION,
 441         NET_CORE_NO_CONG_THRESH,
 442         NET_CORE_NO_CONG,
 443         NET_CORE_LO_CONG,
 444         NET_CORE_MOD_CONG,
 445         NET_CORE_DEV_WEIGHT,
 446         NET_CORE_SOMAXCONN,
 447         NET_CORE_BUDGET,
 448         NET_CORE_AEVENT_ETIME,
 449         NET_CORE_AEVENT_RSEQTH,
 450         NET_CORE_WARNINGS,
 451         NET_IPV4_FORWARD,
 452         NET_IPV4_DYNADDR,
 453         NET_IPV4_CONF,
 454         NET_IPV4_NEIGH,
 455         NET_IPV4_ROUTE,
 456         NET_IPV4_FIB_HASH,
 457         NET_IPV4_NETFILTER,
 458         NET_IPV4_TCP_TIMESTAMPS,
 459         NET_IPV4_TCP_WINDOW_SCALING,
 460         NET_IPV4_TCP_SACK,
 461         NET_IPV4_TCP_RETRANS_COLLAPSE,
 462         NET_IPV4_DEFAULT_TTL,
 463         NET_IPV4_AUTOCONFIG,
 464         NET_IPV4_NO_PMTU_DISC,
 465         NET_IPV4_TCP_SYN_RETRIES,
 466         NET_IPV4_IPFRAG_HIGH_THRESH,
 467         NET_IPV4_IPFRAG_LOW_THRESH,
 468         NET_IPV4_IPFRAG_TIME,
 469         NET_IPV4_TCP_MAX_KA_PROBES,
 470         NET_IPV4_TCP_KEEPALIVE_TIME,
 471         NET_IPV4_TCP_KEEPALIVE_PROBES,
 472         NET_IPV4_TCP_RETRIES1,
 473         NET_IPV4_TCP_RETRIES2,
 474         NET_IPV4_TCP_FIN_TIMEOUT,
 475         NET_IPV4_IP_MASQ_DEBUG,
 476         NET_TCP_SYNCOOKIES,
 477         NET_TCP_STDURG,
 478         NET_TCP_RFC1337,
 479         NET_TCP_SYN_TAILDROP,
 480         NET_TCP_MAX_SYN_BACKLOG,
 481         NET_IPV4_LOCAL_PORT_RANGE,
 482         NET_IPV4_ICMP_ECHO_IGNORE_ALL,
 483         NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
 484         NET_IPV4_ICMP_SOURCEQUENCH_RATE,
 485         NET_IPV4_ICMP_DESTUNREACH_RATE,
 486         NET_IPV4_ICMP_TIMEEXCEED_RATE,
 487         NET_IPV4_ICMP_PARAMPROB_RATE,
 488         NET_IPV4_ICMP_ECHOREPLY_RATE,
 489         NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
 490         NET_IPV4_IGMP_MAX_MEMBERSHIPS,
 491         NET_TCP_TW_RECYCLE,
 492         NET_IPV4_ALWAYS_DEFRAG,
 493         NET_IPV4_TCP_KEEPALIVE_INTVL,
 494         NET_IPV4_INET_PEER_THRESHOLD,
 495         NET_IPV4_INET_PEER_MINTTL,
 496         NET_IPV4_INET_PEER_MAXTTL,
 497         NET_IPV4_INET_PEER_GC_MINTIME,
 498         NET_IPV4_INET_PEER_GC_MAXTIME,
 499         NET_TCP_ORPHAN_RETRIES,
 500         NET_TCP_ABORT_ON_OVERFLOW,
 501         NET_TCP_SYNACK_RETRIES,
 502         NET_TCP_MAX_ORPHANS,
 503         NET_TCP_MAX_TW_BUCKETS,
 504         NET_TCP_FACK,
 505         NET_TCP_REORDERING,
 506         NET_TCP_ECN,
 507         NET_TCP_DSACK,
 508         NET_TCP_MEM,
 509         NET_TCP_WMEM,
 510         NET_TCP_RMEM,
 511         NET_TCP_APP_WIN,
 512         NET_TCP_ADV_WIN_SCALE,
 513         NET_IPV4_NONLOCAL_BIND,
 514         NET_IPV4_ICMP_RATELIMIT,
 515         NET_IPV4_ICMP_RATEMASK,
 516         NET_TCP_TW_REUSE,
 517         NET_TCP_FRTO,
 518         NET_TCP_LOW_LATENCY,
 519         NET_IPV4_IPFRAG_SECRET_INTERVAL,
 520         NET_IPV4_IGMP_MAX_MSF,
 521         NET_TCP_NO_METRICS_SAVE,
 522         NET_TCP_DEFAULT_WIN_SCALE,
 523         NET_TCP_MODERATE_RCVBUF,
 524         NET_TCP_TSO_WIN_DIVISOR,
 525         NET_TCP_BIC_BETA,
 526         NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
 527         NET_TCP_CONG_CONTROL,
 528         NET_TCP_ABC,
 529         NET_IPV4_IPFRAG_MAX_DIST,
 530         NET_TCP_MTU_PROBING,
 531         NET_TCP_BASE_MSS,
 532         NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
 533         NET_TCP_DMA_COPYBREAK,
 534         NET_TCP_SLOW_START_AFTER_IDLE,
 535         NET_CIPSOV4_CACHE_ENABLE,
 536         NET_CIPSOV4_CACHE_BUCKET_SIZE,
 537         NET_CIPSOV4_RBM_OPTFMT,
 538         NET_CIPSOV4_RBM_STRICTVALID,
 539         NET_TCP_AVAIL_CONG_CONTROL,
 540         NET_TCP_ALLOWED_CONG_CONTROL,
 541         NET_TCP_MAX_SSTHRESH,
 542         NET_TCP_FRTO_RESPONSE,
 543         NET_IPV4_ROUTE_FLUSH,
 544         NET_IPV4_ROUTE_MIN_DELAY,
 545         NET_IPV4_ROUTE_MAX_DELAY,
 546         NET_IPV4_ROUTE_GC_THRESH,
 547         NET_IPV4_ROUTE_MAX_SIZE,
 548         NET_IPV4_ROUTE_GC_MIN_INTERVAL,
 549         NET_IPV4_ROUTE_GC_TIMEOUT,
 550         NET_IPV4_ROUTE_GC_INTERVAL,
 551         NET_IPV4_ROUTE_REDIRECT_LOAD,
 552         NET_IPV4_ROUTE_REDIRECT_NUMBER,
 553         NET_IPV4_ROUTE_REDIRECT_SILENCE,
 554         NET_IPV4_ROUTE_ERROR_COST,
 555         NET_IPV4_ROUTE_ERROR_BURST,
 556         NET_IPV4_ROUTE_GC_ELASTICITY,
 557         NET_IPV4_ROUTE_MTU_EXPIRES,
 558         NET_IPV4_ROUTE_MIN_PMTU,
 559         NET_IPV4_ROUTE_MIN_ADVMSS,
 560         NET_IPV4_ROUTE_SECRET_INTERVAL,
 561         NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
 562         NET_IPV4_CONF_FORWARDING,
 563         NET_IPV4_CONF_MC_FORWARDING,
 564         NET_IPV4_CONF_PROXY_ARP,
 565         NET_IPV4_CONF_ACCEPT_REDIRECTS,
 566         NET_IPV4_CONF_SECURE_REDIRECTS,
 567         NET_IPV4_CONF_SEND_REDIRECTS,
 568         NET_IPV4_CONF_SHARED_MEDIA,
 569         NET_IPV4_CONF_RP_FILTER,
 570         NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,
 571         NET_IPV4_CONF_BOOTP_RELAY,
 572         NET_IPV4_CONF_LOG_MARTIANS,
 573         NET_IPV4_CONF_TAG,
 574         NET_IPV4_CONF_ARPFILTER,
 575         NET_IPV4_CONF_MEDIUM_ID,
 576         NET_IPV4_CONF_NOXFRM,
 577         NET_IPV4_CONF_NOPOLICY,
 578         NET_IPV4_CONF_FORCE_IGMP_VERSION,
 579         NET_IPV4_CONF_ARP_ANNOUNCE,
 580         NET_IPV4_CONF_ARP_IGNORE,
 581         NET_IPV4_CONF_PROMOTE_SECONDARIES,
 582         NET_IPV4_CONF_ARP_ACCEPT,
 583         NET_IPV4_CONF_ARP_NOTIFY,
 584         NET_IPV6_CONF,
 585         NET_IPV6_NEIGH,
 586         NET_IPV6_ROUTE,
 587         NET_IPV6_ICMP,
 588         NET_IPV6_BINDV6ONLY,
 589         NET_IPV6_IP6FRAG_HIGH_THRESH,
 590         NET_IPV6_IP6FRAG_LOW_THRESH,
 591         NET_IPV6_IP6FRAG_TIME,
 592         NET_IPV6_IP6FRAG_SECRET_INTERVAL,
 593         NET_IPV6_MLD_MAX_MSF,
 594         NET_IPV6_ROUTE_FLUSH,
 595         NET_IPV6_ROUTE_GC_THRESH,
 596         NET_IPV6_ROUTE_MAX_SIZE,
 597         NET_IPV6_ROUTE_GC_MIN_INTERVAL,
 598         NET_IPV6_ROUTE_GC_TIMEOUT,
 599         NET_IPV6_ROUTE_GC_INTERVAL,
 600         NET_IPV6_ROUTE_GC_ELASTICITY,
 601         NET_IPV6_ROUTE_MTU_EXPIRES,
 602         NET_IPV6_ROUTE_MIN_ADVMSS,
 603         NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
 604         NET_UNIX_DESTROY_DELAY,
 605         NET_UNIX_DELETE_DELAY,
 606         NET_UNIX_MAX_DGRAM_QLEN,
 607         VM_OVERCOMMIT_MEMORY,
 608         VM_PAGE_CLUSTER,
 609         VM_DIRTY_BACKGROUND,
 610         VM_DIRTY_RATIO,
 611         VM_DIRTY_WB_CS,
 612         VM_DIRTY_EXPIRE_CS,
 613         VM_NR_PDFLUSH_THREADS,
 614         VM_OVERCOMMIT_RATIO,
 615         VM_PAGEBUF,
 616         VM_HUGETLB_PAGES,
 617         VM_SWAPPINESS,
 618         VM_LOWMEM_RESERVE_RATIO,
 619         VM_MIN_FREE_KBYTES,
 620         VM_MAX_MAP_COUNT,
 621         VM_LAPTOP_MODE,
 622         VM_BLOCK_DUMP,
 623         VM_HUGETLB_GROUP,
 624         VM_VFS_CACHE_PRESSURE,
 625         VM_LEGACY_VA_LAYOUT,
 626         VM_SWAP_TOKEN_TIMEOUT
 627 ]),,,
 628 [#include <sys/types.h>
 629 #include <linux/sysctl.h>])
 630
 631 AC_CHECK_DECLS(m4_normalize([
 632         V4L2_FIELD_ANY,
 633         V4L2_FIELD_NONE,
 634         V4L2_FIELD_TOP,
 635         V4L2_FIELD_BOTTOM,
 636         V4L2_FIELD_INTERLACED,
 637         V4L2_FIELD_SEQ_TB,
 638         V4L2_FIELD_SEQ_BT,
 639         V4L2_FIELD_ALTERNATE,
 640         V4L2_FIELD_INTERLACED_TB,
 641         V4L2_FIELD_INTERLACED_BT,
 642         V4L2_BUF_TYPE_VIDEO_CAPTURE,
 643         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
 644         V4L2_BUF_TYPE_VIDEO_OUTPUT,
 645         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
 646         V4L2_BUF_TYPE_VIDEO_OVERLAY,
 647         V4L2_BUF_TYPE_VBI_CAPTURE,
 648         V4L2_BUF_TYPE_VBI_OUTPUT,
 649         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
 650         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
 651         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
 652         V4L2_TUNER_RADIO,
 653         V4L2_TUNER_ANALOG_TV,
 654         V4L2_TUNER_DIGITAL_TV,
 655         V4L2_MEMORY_MMAP,
 656         V4L2_MEMORY_USERPTR,
 657         V4L2_MEMORY_OVERLAY,
 658         V4L2_MEMORY_DMABUF,
 659         V4L2_COLORSPACE_SMPTE170M,
 660         V4L2_COLORSPACE_SMPTE240M,
 661         V4L2_COLORSPACE_REC709,
 662         V4L2_COLORSPACE_BT878,
 663         V4L2_COLORSPACE_470_SYSTEM_M,
 664         V4L2_COLORSPACE_470_SYSTEM_BG,
 665         V4L2_COLORSPACE_JPEG,
 666         V4L2_COLORSPACE_SRGB,
 667         V4L2_PRIORITY_UNSET,
 668         V4L2_PRIORITY_BACKGROUND,
 669         V4L2_PRIORITY_INTERACTIVE,
 670         V4L2_PRIORITY_RECORD,
 671         V4L2_FRMSIZE_TYPE_DISCRETE,
 672         V4L2_FRMSIZE_TYPE_CONTINUOUS,
 673         V4L2_FRMSIZE_TYPE_STEPWISE,
 674         V4L2_FRMIVAL_TYPE_DISCRETE,
 675         V4L2_FRMIVAL_TYPE_CONTINUOUS,
 676         V4L2_FRMIVAL_TYPE_STEPWISE,
 677         V4L2_CTRL_TYPE_INTEGER,
 678         V4L2_CTRL_TYPE_BOOLEAN,
 679         V4L2_CTRL_TYPE_MENU,
 680         V4L2_CTRL_TYPE_BUTTON,
 681         V4L2_CTRL_TYPE_INTEGER64,
 682         V4L2_CTRL_TYPE_CTRL_CLASS,
 683         V4L2_CTRL_TYPE_STRING,
 684         V4L2_CTRL_TYPE_BITMASK,
 685         V4L2_CTRL_TYPE_INTEGER_MENU
 686 ]),,, [#include <linux/videodev2.h>])
 687
 688 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
 689         [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
 690 #include <stdlib.h>
 691 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
 692                            [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
 693         if test $ac_cv_have_blkgetsize64 = yes; then
 694                 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
 695         fi)
 696
 697 AC_CHECK_SIZEOF([long])
 698 AC_CHECK_SIZEOF([long long])
 699 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
 700
 701 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_sa_restorer],
 702                [st_cv_sa_restorer="$(echo SA_RESTORER |
 703                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
 704                         grep ^0x)"
 705                 test -n "$st_cv_sa_restorer" || st_cv_sa_restorer=no])
 706 if test "x$st_cv_sa_restorer" != xno; then
 707         AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_sa_restorer],
 708                            [SA_RESTORER defined in <asm/signal.h>])
 709 fi
 710
 711 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
 712                [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
 713                                [st_cv_have___builtin_popcount=yes],
 714                                [st_cv_have___builtin_popcount=no])])
 715 if test "x$st_cv_have___builtin_popcount" = xyes; then
 716         AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
 717                   [Define to 1 if the system provides __builtin_popcount function])
 718 fi
 719
 720 AC_PATH_PROG([PERL], [perl])
 721
 722 dnl stack trace with libunwind
 723 libunwind_CPPFLAGS=
 724 libunwind_LDFLAGS=
 725 libunwind_LIBS=
 726 AC_ARG_WITH([libunwind],
 727             [AS_HELP_STRING([--with-libunwind],
 728                             [use libunwind to implement stack tracing support])],
 729             [case "${withval}" in
 730              yes|no|check) ;;
 731              *) with_libunwind=yes
 732                 libunwind_CPPFLAGS="-I${withval}/include"
 733                 libunwind_LDFLAGS="-L${withval}/lib" ;;
 734              esac],
 735             [with_libunwind=check]
 736 )
 737
 738 use_libunwind=no
 739 AS_IF([test "x$with_libunwind" != xno],
 740       [saved_CPPFLAGS="$CPPFLAGS"
 741        CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
 742
 743        AC_CHECK_HEADERS([libunwind-ptrace.h],
 744          [saved_LDFLAGS="$LDFLAGS"
 745           LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
 746
 747           AC_CHECK_LIB([unwind], [backtrace],
 748             [libunwind_LIBS="-lunwind $libunwind_LIBS"
 749
 750              AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
 751              saved_LIBS="$LIBS"
 752              LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
 753
 754              AC_LINK_IFELSE(
 755                [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
 756                                 [[return !unw_create_addr_space(0, 0)]])
 757                ],
 758                [AC_MSG_RESULT([yes])
 759                 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
 760
 761                 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
 762                   [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
 763                    use_libunwind=yes
 764                   ],
 765                   [if test "x$with_libunwind" != xcheck; then
 766                      AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
 767                    fi
 768                   ],
 769                   [$libunwind_LIBS]
 770                 )
 771                ],
 772                [AC_MSG_RESULT([no])
 773                 if test "x$with_libunwind" != xcheck; then
 774                   AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
 775                 fi
 776                ]
 777              )
 778
 779              LIBS="$saved_LIBS"
 780             ],
 781             [if test "x$with_libunwind" != xcheck; then
 782                AC_MSG_FAILURE([failed to find libunwind])
 783              fi
 784             ],
 785             [$libunwind_LIBS]
 786           )
 787
 788           LDFLAGS="$saved_LDFLAGS"
 789          ],
 790          [if test "x$with_libunwind" != xcheck; then
 791             AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
 792           fi
 793          ]
 794        )
 795
 796        CPPFLAGS="$saved_CPPFLAGS"
 797       ]
 798 )
 799
 800 dnl enable libunwind
 801 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
 802 if test "x$use_libunwind" = xyes; then
 803         AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
 804         AC_SUBST(libunwind_LIBS)
 805         AC_SUBST(libunwind_LDFLAGS)
 806         AC_SUBST(libunwind_CPPFLAGS)
 807 fi
 808 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
 809 AC_MSG_RESULT([$use_libunwind])
 810
 811 AC_CONFIG_FILES([Makefile tests/Makefile])
 812 AC_OUTPUT