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