granicus.if.org Git - strace/blob - 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 no-dist-gzip silent-rules parallel-tests])
  40 AM_MAINTAINER_MODE
  41 AC_CANONICAL_HOST
  42
  43 AC_PROG_CC
  44 AX_PROG_CC_FOR_BUILD
  45 AC_USE_SYSTEM_EXTENSIONS
  46 AC_PROG_RANLIB
  47
  48 AC_MSG_CHECKING([for supported architecture])
  49 arch_m32=
  50 arch_mx32=
  51 case "$host_cpu" in
  52 bfin)
  53         arch=bfin
  54         AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
  55         ;;
  56 i[[3456]]86|pentium)
  57         arch=i386
  58         AC_DEFINE([I386], 1, [Define for the i386 architecture.])
  59         ;;
  60 ia64)
  61         arch=ia64
  62         AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
  63         ;;
  64 m68k)
  65         arch=m68k
  66         AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
  67         ;;
  68 sparc64*)
  69         arch=sparc64
  70         arch_m32=sparc
  71         AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
  72         ;;
  73 sparc*)
  74         arch=sparc
  75         AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
  76         ;;
  77 metag*)
  78         arch=metag
  79         AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
  80         ;;
  81 mips*)
  82         arch=mips
  83         AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
  84         ;;
  85 alpha*)
  86         arch=alpha
  87         AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
  88         ;;
  89 powerpc*)
  90         AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
  91         AC_TRY_COMPILE(
  92 [#ifndef __LP64__
  93 # error 32 bit
  94 #endif], [], arch=powerpc64, arch=powerpc)
  95         if test "$arch" = "powerpc64"; then
  96                 arch_m32=powerpc
  97                 AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
  98         fi
  99         ;;
 100 arm*)
 101         arch=arm
 102         AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
 103         ;;
 104 aarch64*)
 105         arch=aarch64
 106         arch_m32=arm
 107         AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
 108         ;;
 109 avr32*)
 110         arch=avr32
 111         AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
 112         ;;
 113 arc*)
 114         arch=arc
 115         AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
 116         ;;
 117 s390)
 118         arch=s390
 119         AC_DEFINE([S390], 1, [Define for the S390 architecture.])
 120         ;;
 121 s390x)
 122         arch=s390x
 123         AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
 124         ;;
 125 hppa*|parisc*)
 126         arch=hppa
 127         AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
 128         ;;
 129 sh64*)
 130         arch=sh64
 131         AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
 132         ;;
 133 sh*)
 134         arch=sh
 135         AC_DEFINE([SH], 1, [Define for the SH architecture.])
 136         ;;
 137 x86?64*)
 138         arch_m32=i386
 139         AC_TRY_COMPILE(
 140 [#ifndef __ILP32__
 141 # error not x32
 142 #endif], [], arch=x32, arch=x86_64)
 143         if test "$arch" = "x86_64"; then
 144                 arch_mx32=x32
 145                 AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
 146         else
 147                 AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
 148         fi
 149         ;;
 150 cris|crisv10)
 151         arch=crisv10
 152         AC_DEFINE([CRISV10], 1, [Define for the CRISv10 architecture.])
 153         ;;
 154 crisv32)
 155         arch=crisv32
 156         AC_DEFINE([CRISV32], 1, [Define for the CRISv32 architecture.])
 157         ;;
 158 tile*)
 159         arch=tile
 160         AC_DEFINE([TILE], 1, [Define for the Tile architecture])
 161         ;;
 162 microblaze*)
 163         arch=microblaze
 164         AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
 165         ;;
 166 nios2*)
 167         arch=nios2
 168         AC_DEFINE([NIOS2], 1, [Define for the Nios-II architecture.])
 169         ;;
 170
 171 or1k*)
 172         arch=or1k
 173         AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
 174         ;;
 175
 176 xtensa*)
 177         arch=xtensa
 178         AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
 179         ;;
 180
 181 *)
 182         AC_MSG_RESULT([NO!])
 183         AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
 184         ;;
 185 esac
 186 AC_MSG_RESULT($arch)
 187
 188 test -n "$arch_m32" ||
 189         arch_m32=$arch
 190 test -n "$arch_mx32" ||
 191         arch_mx32=$arch
 192 AC_SUBST(arch)
 193 AC_SUBST(arch_m32)
 194 AC_SUBST(arch_mx32)
 195
 196 if test "$arch" = mips; then
 197         AC_CACHE_CHECK([for _MIPS_SIM], [st_cv__MIPS_SIM],
 198                        [AC_COMPUTE_INT([st_cv__MIPS_SIM], [_MIPS_SIM],
 199                                        [#include <sgidefs.h>],
 200                                        [AC_MSG_ERROR([_MIPS_SIM cannot be determined])])])
 201
 202         AC_CACHE_CHECK([for MIPS ABI], [st_cv_mips_abi],
 203                 [AC_COMPILE_IFELSE(
 204                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
 205                                          [[int i[_MIPS_SIM == _MIPS_SIM_ABI32 ? 1 : - 1];]])],
 206                         [st_cv_mips_abi=o32],
 207                 [AC_COMPILE_IFELSE(
 208                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
 209                                          [[int i[_MIPS_SIM == _MIPS_SIM_NABI32 ? 1 : - 1];]])],
 210                         [st_cv_mips_abi=n32],
 211                 [AC_COMPILE_IFELSE(
 212                         [AC_LANG_PROGRAM([[#include <sgidefs.h>]],
 213                                          [[int i[_MIPS_SIM == _MIPS_SIM_ABI64 ? 1 : - 1];]])],
 214                         [st_cv_mips_abi=n64],
 215                         [st_cv_mips_abi=unknown])])])])
 216
 217         case "$st_cv_mips_abi" in
 218                 o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _MIPS_SIM_ABI32.]);;
 219                 n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _MIPS_SIM_NABI32.]);;
 220                 n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _MIPS_SIM_ABI64.]);;
 221                 *) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
 222         esac
 223 fi
 224
 225 AC_ARG_ENABLE([arm-oabi],
 226               [AS_HELP_STRING([--enable-arm-oabi],
 227                               [enable OABI support on ARM EABI])],
 228               [], [enable_arm_oabi=no])
 229 case "$enable_arm_oabi" in
 230         yes) enable_arm_oabi=1 ;;
 231         no) enable_arm_oabi=0 ;;
 232         *) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
 233 esac
 234 AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
 235                    [Define to 1 if you want OABI support on ARM EABI.])
 236
 237 gl_WARN_ADD([-Wall])
 238 gl_WARN_ADD([-Wwrite-strings])
 239 gl_WARN_ADD([-Wsign-compare])
 240 AC_ARG_ENABLE([gcc-Werror],
 241   [AS_HELP_STRING([--enable-gcc-Werror], [turn on gcc's -Werror option])],
 242   [case $enableval in
 243      yes) gl_WARN_ADD([-Werror]) ;;
 244      no)  ;;
 245      *)   AC_MSG_ERROR([bad value $enableval for gcc-Werror option]) ;;
 246    esac]
 247 )
 248 AC_SUBST([WARN_CFLAGS])
 249
 250 AC_PROG_CPP
 251 AC_PROG_INSTALL
 252 AC_C_CONST
 253 AC_C_BIGENDIAN
 254 AC_C_TYPEOF
 255 AC_HEADER_STDC
 256 AC_HEADER_STDBOOL
 257 AC_HEADER_DIRENT
 258 AC_HEADER_STAT
 259 AC_CHECK_MEMBERS(m4_normalize([
 260         struct stat.st_atim.tv_nsec,
 261         struct stat.st_blksize,
 262         struct stat.st_blocks,
 263         struct stat.st_ctim.tv_nsec,
 264         struct stat.st_flags,
 265         struct stat.st_fstype,
 266         struct stat.st_gen,
 267         struct stat.st_mtim.tv_nsec,
 268         struct stat.st_rdev
 269 ]))
 270
 271 AC_TYPE_SIGNAL
 272 AC_TYPE_UID_T
 273 AC_TYPE_MODE_T
 274 AC_TYPE_GETGROUPS
 275 AC_HEADER_MAJOR
 276 AC_CHECK_TYPES([sig_atomic_t],,, [#include <signal.h>])
 277 AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
 278 [#include <sys/types.h>
 279 #include <sys/socket.h>
 280 #include <netinet/in.h>])
 281
 282 AC_CHECK_FUNCS(m4_normalize([
 283         fanotify_mark
 284         fopen64
 285         fork
 286         fputs_unlocked
 287         fstatat
 288         ftruncate
 289         futimens
 290         if_indextoname
 291         inet_ntop
 292         inet_pton
 293         pipe2
 294         prctl
 295         preadv
 296         process_vm_readv
 297         pwritev
 298         sendmmsg
 299         sigaction
 300         signalfd
 301         stpcpy
 302         strerror
 303         strsignal
 304         utimensat
 305 ]))
 306 AC_CHECK_HEADERS(m4_normalize([
 307         asm/cachectl.h
 308         asm/sysmips.h
 309         bluetooth/bluetooth.h
 310         elf.h
 311         inttypes.h
 312         ioctls.h
 313         linux/bsg.h
 314         linux/falloc.h
 315         linux/filter.h
 316         linux/hiddev.h
 317         linux/ip_vs.h
 318         linux/ipc.h
 319         linux/mmtimer.h
 320         linux/msg.h
 321         linux/perf_event.h
 322         linux/seccomp.h
 323         linux/securebits.h
 324         linux/sem.h
 325         linux/shm.h
 326         linux/utsname.h
 327         mqueue.h
 328         netinet/sctp.h
 329         scsi/sg.h
 330         stropts.h
 331         sys/conf.h
 332         sys/epoll.h
 333         sys/eventfd.h
 334         sys/fanotify.h
 335         sys/ioctl.h
 336         sys/ipc.h
 337         sys/msg.h
 338         sys/reg.h
 339         sys/sem.h
 340         sys/shm.h
 341         sys/signalfd.h
 342         sys/vfs.h
 343         sys/xattr.h
 344 ]))
 345 AC_CHECK_HEADERS([linux/mqueue.h],,, [#include <linux/types.h>])
 346 AC_CHECK_HEADERS([linux/icmp.h linux/in6.h linux/netlink.h linux/if_packet.h],
 347                  [], [], [#include <stddef.h>
 348 #include <sys/socket.h>
 349 #include <asm/types.h>])
 350 AC_CHECK_HEADERS([asm/sigcontext.h], [], [], [#include <signal.h>])
 351 AC_CHECK_TYPES([struct sigcontext],,, [#include <signal.h>])
 352 AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
 353 AC_CHECK_HEADERS(m4_normalize([
 354         linux/netfilter_arp/arp_tables.h
 355         linux/netfilter_bridge/ebtables.h
 356         linux/netfilter_ipv4/ip_tables.h
 357         linux/netfilter_ipv6/ip6_tables.h
 358 ]), [], [], [#include <netinet/in.h>
 359 #include <net/if.h>])
 360
 361 AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
 362 AC_CHECK_MEMBERS([struct msghdr.msg_control],,, [#include <sys/socket.h>])
 363
 364 AC_CHECK_MEMBERS(m4_normalize([
 365         struct stat.st_atime_nsec,
 366         struct stat.st_ctime_nsec,
 367         struct stat.st_mtime_nsec
 368 ]),,, [#include <sys/types.h>
 369 #include <asm/stat.h>])
 370
 371 AC_CHECK_TYPES([struct stat64],,, [#include <sys/types.h>
 372 #include <asm/stat.h>])
 373 AC_CHECK_TYPES([struct __old_kernel_stat],,, [#include <asm/stat.h>])
 374 AC_CHECK_TYPES([struct statfs64],,, [#include <sys/vfs.h>])
 375
 376 AC_CHECK_TYPES([struct pt_all_user_regs, struct ia64_fpreg, struct ptrace_peeksiginfo_args],,,
 377                [#include <sys/ptrace.h>])
 378
 379 AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
 380
 381 AC_CHECK_MEMBERS([struct sigevent._sigev_un._pad,
 382                   struct sigevent.__pad,
 383                   siginfo_t.si_syscall,
 384                   siginfo_t.si_timerid,
 385                   siginfo_t.si_overrun],,, [#include <signal.h>])
 386
 387 AC_CHECK_TYPES([struct flock,
 388                 struct flock64,
 389                 struct __kernel_flock,
 390                 struct __kernel_flock64],,, [#include <sys/types.h>
 391 #include <linux/fcntl.h>])
 392
 393 AC_CHECK_TYPES([__kernel_long_t, __kernel_ulong_t],,, [#include <asm/posix_types.h>])
 394
 395 AC_CHECK_MEMBERS([struct timex.tai],,, [#include <sys/timex.h>])
 396
 397 AC_CHECK_HEADERS([linux/input.h], [
 398         AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
 399 ])
 400
 401 AC_CHECK_HEADERS([linux/bpf.h], [
 402         AC_CACHE_CHECK([whether union bpf_attr.log_buf initialization works],
 403                        [st_cv_have_union_bpf_attr_log_buf],
 404                 [AC_COMPILE_IFELSE(
 405                         [AC_LANG_PROGRAM([[#include <linux/bpf.h>]],
 406                                          [[union bpf_attr a = { .log_buf = 0 };]])],
 407                         [st_cv_have_union_bpf_attr_log_buf=yes],
 408                         [st_cv_have_union_bpf_attr_log_buf=no])])
 409         if test $st_cv_have_union_bpf_attr_log_buf = yes; then
 410                 AC_DEFINE(HAVE_UNION_BPF_ATTR_LOG_BUF, [1],
 411                           [Define to 1 if union bpf_attr.log_buf initialization works])
 412         fi
 413 ])
 414
 415 AC_CHECK_DECLS([sys_errlist])
 416 AC_CHECK_DECLS(m4_normalize([
 417         PTRACE_PEEKUSER,
 418         PTRACE_POKEUSER
 419 ]),,, [#include <sys/ptrace.h>])
 420
 421 AC_CHECK_DECLS(m4_normalize([
 422         P_PID,
 423         P_PPID,
 424         P_PGID,
 425         P_SID,
 426         P_CID,
 427         P_UID,
 428         P_GID,
 429         P_ALL,
 430         P_LWPID
 431 ]),,, [#include <sys/wait.h>])
 432
 433 AC_CHECK_DECLS(m4_normalize([
 434         LO_FLAGS_READ_ONLY,
 435         LO_FLAGS_AUTOCLEAR,
 436         LO_FLAGS_PARTSCAN
 437 ]),,, [#include <linux/loop.h>])
 438
 439 AC_CHECK_DECLS(m4_normalize([
 440         CTL_KERN,
 441         CTL_VM,
 442         CTL_NET,
 443         CTL_PROC,
 444         CTL_FS,
 445         CTL_DEBUG,
 446         CTL_DEV,
 447         CTL_BUS,
 448         CTL_ABI,
 449         CTL_CPU,
 450         CTL_ARLAN,
 451         CTL_S390DBF,
 452         CTL_SUNRPC,
 453         CTL_PM,
 454         CTL_FRV,
 455         KERN_OSTYPE,
 456         KERN_OSRELEASE,
 457         KERN_OSREV,
 458         KERN_VERSION,
 459         KERN_SECUREMASK,
 460         KERN_PROF,
 461         KERN_NODENAME,
 462         KERN_DOMAINNAME,
 463         KERN_PANIC,
 464         KERN_REALROOTDEV,
 465         KERN_SPARC_REBOOT,
 466         KERN_CTLALTDEL,
 467         KERN_PRINTK,
 468         KERN_NAMETRANS,
 469         KERN_PPC_HTABRECLAIM,
 470         KERN_PPC_ZEROPAGED,
 471         KERN_PPC_POWERSAVE_NAP,
 472         KERN_MODPROBE,
 473         KERN_SG_BIG_BUFF,
 474         KERN_ACCT,
 475         KERN_PPC_L2CR,
 476         KERN_RTSIGNR,
 477         KERN_RTSIGMAX,
 478         KERN_SHMMAX,
 479         KERN_MSGMAX,
 480         KERN_MSGMNB,
 481         KERN_MSGPOOL,
 482         KERN_SYSRQ,
 483         KERN_MAX_THREADS,
 484         KERN_RANDOM,
 485         KERN_SHMALL,
 486         KERN_MSGMNI,
 487         KERN_SEM,
 488         KERN_SPARC_STOP_A,
 489         KERN_SHMMNI,
 490         KERN_OVERFLOWUID,
 491         KERN_OVERFLOWGID,
 492         KERN_SHMPATH,
 493         KERN_HOTPLUG,
 494         KERN_IEEE_EMULATION_WARNINGS,
 495         KERN_S390_USER_DEBUG_LOGGING,
 496         KERN_CORE_USES_PID,
 497         KERN_TAINTED,
 498         KERN_CADPID,
 499         KERN_PIDMAX,
 500         KERN_CORE_PATTERN,
 501         KERN_PANIC_ON_OOPS,
 502         KERN_HPPA_PWRSW,
 503         KERN_HPPA_UNALIGNED,
 504         KERN_PRINTK_RATELIMIT,
 505         KERN_PRINTK_RATELIMIT_BURST,
 506         KERN_PTY,
 507         KERN_NGROUPS_MAX,
 508         KERN_SPARC_SCONS_PWROFF,
 509         KERN_HZ_TIMER,
 510         KERN_UNKNOWN_NMI_PANIC,
 511         KERN_BOOTLOADER_TYPE,
 512         KERN_RANDOMIZE,
 513         KERN_SETUID_DUMPABLE,
 514         KERN_SPIN_RETRY,
 515         KERN_ACPI_VIDEO_FLAGS,
 516         KERN_IA64_UNALIGNED,
 517         KERN_COMPAT_LOG,
 518         KERN_MAX_LOCK_DEPTH,
 519         KERN_NMI_WATCHDOG,
 520         KERN_PANIC_ON_NMI,
 521         NET_CORE,
 522         NET_ETHER,
 523         NET_802,
 524         NET_UNIX,
 525         NET_IPV4,
 526         NET_IPX,
 527         NET_ATALK,
 528         NET_NETROM,
 529         NET_AX25,
 530         NET_BRIDGE,
 531         NET_ROSE,
 532         NET_IPV6,
 533         NET_X25,
 534         NET_TR,
 535         NET_DECNET,
 536         NET_ECONET,
 537         NET_SCTP,
 538         NET_LLC,
 539         NET_NETFILTER,
 540         NET_DCCP,
 541         NET_IRDA,
 542         NET_CORE_WMEM_MAX,
 543         NET_CORE_RMEM_MAX,
 544         NET_CORE_WMEM_DEFAULT,
 545         NET_CORE_RMEM_DEFAULT,
 546         NET_CORE_DESTROY_DELAY,
 547         NET_CORE_MAX_BACKLOG,
 548         NET_CORE_FASTROUTE,
 549         NET_CORE_MSG_COST,
 550         NET_CORE_MSG_BURST,
 551         NET_CORE_OPTMEM_MAX,
 552         NET_CORE_HOT_LIST_LENGTH,
 553         NET_CORE_DIVERT_VERSION,
 554         NET_CORE_NO_CONG_THRESH,
 555         NET_CORE_NO_CONG,
 556         NET_CORE_LO_CONG,
 557         NET_CORE_MOD_CONG,
 558         NET_CORE_DEV_WEIGHT,
 559         NET_CORE_SOMAXCONN,
 560         NET_CORE_BUDGET,
 561         NET_CORE_AEVENT_ETIME,
 562         NET_CORE_AEVENT_RSEQTH,
 563         NET_CORE_WARNINGS,
 564         NET_IPV4_FORWARD,
 565         NET_IPV4_DYNADDR,
 566         NET_IPV4_CONF,
 567         NET_IPV4_NEIGH,
 568         NET_IPV4_ROUTE,
 569         NET_IPV4_FIB_HASH,
 570         NET_IPV4_NETFILTER,
 571         NET_IPV4_TCP_TIMESTAMPS,
 572         NET_IPV4_TCP_WINDOW_SCALING,
 573         NET_IPV4_TCP_SACK,
 574         NET_IPV4_TCP_RETRANS_COLLAPSE,
 575         NET_IPV4_DEFAULT_TTL,
 576         NET_IPV4_AUTOCONFIG,
 577         NET_IPV4_NO_PMTU_DISC,
 578         NET_IPV4_TCP_SYN_RETRIES,
 579         NET_IPV4_IPFRAG_HIGH_THRESH,
 580         NET_IPV4_IPFRAG_LOW_THRESH,
 581         NET_IPV4_IPFRAG_TIME,
 582         NET_IPV4_TCP_MAX_KA_PROBES,
 583         NET_IPV4_TCP_KEEPALIVE_TIME,
 584         NET_IPV4_TCP_KEEPALIVE_PROBES,
 585         NET_IPV4_TCP_RETRIES1,
 586         NET_IPV4_TCP_RETRIES2,
 587         NET_IPV4_TCP_FIN_TIMEOUT,
 588         NET_IPV4_IP_MASQ_DEBUG,
 589         NET_TCP_SYNCOOKIES,
 590         NET_TCP_STDURG,
 591         NET_TCP_RFC1337,
 592         NET_TCP_SYN_TAILDROP,
 593         NET_TCP_MAX_SYN_BACKLOG,
 594         NET_IPV4_LOCAL_PORT_RANGE,
 595         NET_IPV4_ICMP_ECHO_IGNORE_ALL,
 596         NET_IPV4_ICMP_ECHO_IGNORE_BROADCASTS,
 597         NET_IPV4_ICMP_SOURCEQUENCH_RATE,
 598         NET_IPV4_ICMP_DESTUNREACH_RATE,
 599         NET_IPV4_ICMP_TIMEEXCEED_RATE,
 600         NET_IPV4_ICMP_PARAMPROB_RATE,
 601         NET_IPV4_ICMP_ECHOREPLY_RATE,
 602         NET_IPV4_ICMP_IGNORE_BOGUS_ERROR_RESPONSES,
 603         NET_IPV4_IGMP_MAX_MEMBERSHIPS,
 604         NET_TCP_TW_RECYCLE,
 605         NET_IPV4_ALWAYS_DEFRAG,
 606         NET_IPV4_TCP_KEEPALIVE_INTVL,
 607         NET_IPV4_INET_PEER_THRESHOLD,
 608         NET_IPV4_INET_PEER_MINTTL,
 609         NET_IPV4_INET_PEER_MAXTTL,
 610         NET_IPV4_INET_PEER_GC_MINTIME,
 611         NET_IPV4_INET_PEER_GC_MAXTIME,
 612         NET_TCP_ORPHAN_RETRIES,
 613         NET_TCP_ABORT_ON_OVERFLOW,
 614         NET_TCP_SYNACK_RETRIES,
 615         NET_TCP_MAX_ORPHANS,
 616         NET_TCP_MAX_TW_BUCKETS,
 617         NET_TCP_FACK,
 618         NET_TCP_REORDERING,
 619         NET_TCP_ECN,
 620         NET_TCP_DSACK,
 621         NET_TCP_MEM,
 622         NET_TCP_WMEM,
 623         NET_TCP_RMEM,
 624         NET_TCP_APP_WIN,
 625         NET_TCP_ADV_WIN_SCALE,
 626         NET_IPV4_NONLOCAL_BIND,
 627         NET_IPV4_ICMP_RATELIMIT,
 628         NET_IPV4_ICMP_RATEMASK,
 629         NET_TCP_TW_REUSE,
 630         NET_TCP_FRTO,
 631         NET_TCP_LOW_LATENCY,
 632         NET_IPV4_IPFRAG_SECRET_INTERVAL,
 633         NET_IPV4_IGMP_MAX_MSF,
 634         NET_TCP_NO_METRICS_SAVE,
 635         NET_TCP_DEFAULT_WIN_SCALE,
 636         NET_TCP_MODERATE_RCVBUF,
 637         NET_TCP_TSO_WIN_DIVISOR,
 638         NET_TCP_BIC_BETA,
 639         NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
 640         NET_TCP_CONG_CONTROL,
 641         NET_TCP_ABC,
 642         NET_IPV4_IPFRAG_MAX_DIST,
 643         NET_TCP_MTU_PROBING,
 644         NET_TCP_BASE_MSS,
 645         NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
 646         NET_TCP_DMA_COPYBREAK,
 647         NET_TCP_SLOW_START_AFTER_IDLE,
 648         NET_CIPSOV4_CACHE_ENABLE,
 649         NET_CIPSOV4_CACHE_BUCKET_SIZE,
 650         NET_CIPSOV4_RBM_OPTFMT,
 651         NET_CIPSOV4_RBM_STRICTVALID,
 652         NET_TCP_AVAIL_CONG_CONTROL,
 653         NET_TCP_ALLOWED_CONG_CONTROL,
 654         NET_TCP_MAX_SSTHRESH,
 655         NET_TCP_FRTO_RESPONSE,
 656         NET_IPV4_ROUTE_FLUSH,
 657         NET_IPV4_ROUTE_MIN_DELAY,
 658         NET_IPV4_ROUTE_MAX_DELAY,
 659         NET_IPV4_ROUTE_GC_THRESH,
 660         NET_IPV4_ROUTE_MAX_SIZE,
 661         NET_IPV4_ROUTE_GC_MIN_INTERVAL,
 662         NET_IPV4_ROUTE_GC_TIMEOUT,
 663         NET_IPV4_ROUTE_GC_INTERVAL,
 664         NET_IPV4_ROUTE_REDIRECT_LOAD,
 665         NET_IPV4_ROUTE_REDIRECT_NUMBER,
 666         NET_IPV4_ROUTE_REDIRECT_SILENCE,
 667         NET_IPV4_ROUTE_ERROR_COST,
 668         NET_IPV4_ROUTE_ERROR_BURST,
 669         NET_IPV4_ROUTE_GC_ELASTICITY,
 670         NET_IPV4_ROUTE_MTU_EXPIRES,
 671         NET_IPV4_ROUTE_MIN_PMTU,
 672         NET_IPV4_ROUTE_MIN_ADVMSS,
 673         NET_IPV4_ROUTE_SECRET_INTERVAL,
 674         NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
 675         NET_IPV4_CONF_FORWARDING,
 676         NET_IPV4_CONF_MC_FORWARDING,
 677         NET_IPV4_CONF_PROXY_ARP,
 678         NET_IPV4_CONF_ACCEPT_REDIRECTS,
 679         NET_IPV4_CONF_SECURE_REDIRECTS,
 680         NET_IPV4_CONF_SEND_REDIRECTS,
 681         NET_IPV4_CONF_SHARED_MEDIA,
 682         NET_IPV4_CONF_RP_FILTER,
 683         NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE,
 684         NET_IPV4_CONF_BOOTP_RELAY,
 685         NET_IPV4_CONF_LOG_MARTIANS,
 686         NET_IPV4_CONF_TAG,
 687         NET_IPV4_CONF_ARPFILTER,
 688         NET_IPV4_CONF_MEDIUM_ID,
 689         NET_IPV4_CONF_NOXFRM,
 690         NET_IPV4_CONF_NOPOLICY,
 691         NET_IPV4_CONF_FORCE_IGMP_VERSION,
 692         NET_IPV4_CONF_ARP_ANNOUNCE,
 693         NET_IPV4_CONF_ARP_IGNORE,
 694         NET_IPV4_CONF_PROMOTE_SECONDARIES,
 695         NET_IPV4_CONF_ARP_ACCEPT,
 696         NET_IPV4_CONF_ARP_NOTIFY,
 697         NET_IPV6_CONF,
 698         NET_IPV6_NEIGH,
 699         NET_IPV6_ROUTE,
 700         NET_IPV6_ICMP,
 701         NET_IPV6_BINDV6ONLY,
 702         NET_IPV6_IP6FRAG_HIGH_THRESH,
 703         NET_IPV6_IP6FRAG_LOW_THRESH,
 704         NET_IPV6_IP6FRAG_TIME,
 705         NET_IPV6_IP6FRAG_SECRET_INTERVAL,
 706         NET_IPV6_MLD_MAX_MSF,
 707         NET_IPV6_ROUTE_FLUSH,
 708         NET_IPV6_ROUTE_GC_THRESH,
 709         NET_IPV6_ROUTE_MAX_SIZE,
 710         NET_IPV6_ROUTE_GC_MIN_INTERVAL,
 711         NET_IPV6_ROUTE_GC_TIMEOUT,
 712         NET_IPV6_ROUTE_GC_INTERVAL,
 713         NET_IPV6_ROUTE_GC_ELASTICITY,
 714         NET_IPV6_ROUTE_MTU_EXPIRES,
 715         NET_IPV6_ROUTE_MIN_ADVMSS,
 716         NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
 717         NET_UNIX_DESTROY_DELAY,
 718         NET_UNIX_DELETE_DELAY,
 719         NET_UNIX_MAX_DGRAM_QLEN,
 720         VM_OVERCOMMIT_MEMORY,
 721         VM_PAGE_CLUSTER,
 722         VM_DIRTY_BACKGROUND,
 723         VM_DIRTY_RATIO,
 724         VM_DIRTY_WB_CS,
 725         VM_DIRTY_EXPIRE_CS,
 726         VM_NR_PDFLUSH_THREADS,
 727         VM_OVERCOMMIT_RATIO,
 728         VM_PAGEBUF,
 729         VM_HUGETLB_PAGES,
 730         VM_SWAPPINESS,
 731         VM_LOWMEM_RESERVE_RATIO,
 732         VM_MIN_FREE_KBYTES,
 733         VM_MAX_MAP_COUNT,
 734         VM_LAPTOP_MODE,
 735         VM_BLOCK_DUMP,
 736         VM_HUGETLB_GROUP,
 737         VM_VFS_CACHE_PRESSURE,
 738         VM_LEGACY_VA_LAYOUT,
 739         VM_SWAP_TOKEN_TIMEOUT
 740 ]),,,
 741 [#include <sys/types.h>
 742 #include <linux/sysctl.h>])
 743
 744 AC_CHECK_DECLS(m4_normalize([
 745         V4L2_FIELD_ANY,
 746         V4L2_FIELD_NONE,
 747         V4L2_FIELD_TOP,
 748         V4L2_FIELD_BOTTOM,
 749         V4L2_FIELD_INTERLACED,
 750         V4L2_FIELD_SEQ_TB,
 751         V4L2_FIELD_SEQ_BT,
 752         V4L2_FIELD_ALTERNATE,
 753         V4L2_FIELD_INTERLACED_TB,
 754         V4L2_FIELD_INTERLACED_BT,
 755         V4L2_BUF_TYPE_VIDEO_CAPTURE,
 756         V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
 757         V4L2_BUF_TYPE_VIDEO_OUTPUT,
 758         V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
 759         V4L2_BUF_TYPE_VIDEO_OVERLAY,
 760         V4L2_BUF_TYPE_VBI_CAPTURE,
 761         V4L2_BUF_TYPE_VBI_OUTPUT,
 762         V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
 763         V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
 764         V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
 765         V4L2_TUNER_RADIO,
 766         V4L2_TUNER_ANALOG_TV,
 767         V4L2_TUNER_DIGITAL_TV,
 768         V4L2_MEMORY_MMAP,
 769         V4L2_MEMORY_USERPTR,
 770         V4L2_MEMORY_OVERLAY,
 771         V4L2_MEMORY_DMABUF,
 772         V4L2_COLORSPACE_SMPTE170M,
 773         V4L2_COLORSPACE_SMPTE240M,
 774         V4L2_COLORSPACE_REC709,
 775         V4L2_COLORSPACE_BT878,
 776         V4L2_COLORSPACE_470_SYSTEM_M,
 777         V4L2_COLORSPACE_470_SYSTEM_BG,
 778         V4L2_COLORSPACE_JPEG,
 779         V4L2_COLORSPACE_SRGB,
 780         V4L2_PRIORITY_UNSET,
 781         V4L2_PRIORITY_BACKGROUND,
 782         V4L2_PRIORITY_INTERACTIVE,
 783         V4L2_PRIORITY_RECORD,
 784         V4L2_FRMSIZE_TYPE_DISCRETE,
 785         V4L2_FRMSIZE_TYPE_CONTINUOUS,
 786         V4L2_FRMSIZE_TYPE_STEPWISE,
 787         V4L2_FRMIVAL_TYPE_DISCRETE,
 788         V4L2_FRMIVAL_TYPE_CONTINUOUS,
 789         V4L2_FRMIVAL_TYPE_STEPWISE,
 790         V4L2_CTRL_TYPE_INTEGER,
 791         V4L2_CTRL_TYPE_BOOLEAN,
 792         V4L2_CTRL_TYPE_MENU,
 793         V4L2_CTRL_TYPE_BUTTON,
 794         V4L2_CTRL_TYPE_INTEGER64,
 795         V4L2_CTRL_TYPE_CTRL_CLASS,
 796         V4L2_CTRL_TYPE_STRING,
 797         V4L2_CTRL_TYPE_BITMASK,
 798         V4L2_CTRL_TYPE_INTEGER_MENU
 799 ]),,, [#include <linux/videodev2.h>])
 800
 801 AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
 802         [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
 803 #include <stdlib.h>
 804 #include <linux/fs.h>], [return !BLKGETSIZE64;])],
 805                            [ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
 806         if test $ac_cv_have_blkgetsize64 = yes; then
 807                 AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
 808         fi)
 809
 810 AC_CHECK_SIZEOF([long])
 811 AC_CHECK_SIZEOF([long long])
 812 AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
 813 AC_CHECK_SIZEOF([struct i64_i32],,[struct i64_i32 {long long i64; int i32;};])
 814
 815 AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
 816                [[st_cv_SIGRTMIN="$(echo SIGRTMIN |
 817                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
 818                         grep '^[0-9]')"
 819                  test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
 820 if test "x$st_cv_SIGRTMIN" != xno; then
 821         AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
 822                            [SIGRTMIN defined in <asm/signal.h>])
 823 fi
 824 AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
 825                [st_cv_SA_RESTORER="$(echo SA_RESTORER |
 826                         $CPP $CPPFLAGS -P -imacros asm/signal.h - |
 827                         grep ^0x)"
 828                 test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
 829 if test "x$st_cv_SA_RESTORER" != xno; then
 830         AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
 831                            [SA_RESTORER defined in <asm/signal.h>])
 832 fi
 833
 834 AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
 835                [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
 836                                [st_cv_have___builtin_popcount=yes],
 837                                [st_cv_have___builtin_popcount=no])])
 838 if test "x$st_cv_have___builtin_popcount" = xyes; then
 839         AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
 840                   [Define to 1 if the system provides __builtin_popcount function])
 841 fi
 842
 843 AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
 844 if test "x$ac_cv_lib_dl_dladdr" = xyes; then
 845         AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
 846 fi
 847 AC_SUBST(dl_LIBS)
 848
 849 AC_PATH_PROG([PERL], [perl])
 850
 851 dnl stack trace with libunwind
 852 libunwind_CPPFLAGS=
 853 libunwind_LDFLAGS=
 854 libunwind_LIBS=
 855 AC_ARG_WITH([libunwind],
 856             [AS_HELP_STRING([--with-libunwind],
 857                             [use libunwind to implement stack tracing support])],
 858             [case "${withval}" in
 859              yes|no|check) ;;
 860              *) with_libunwind=yes
 861                 libunwind_CPPFLAGS="-I${withval}/include"
 862                 libunwind_LDFLAGS="-L${withval}/lib" ;;
 863              esac],
 864             [with_libunwind=check]
 865 )
 866
 867 use_libunwind=no
 868 AS_IF([test "x$with_libunwind" != xno],
 869       [saved_CPPFLAGS="$CPPFLAGS"
 870        CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
 871
 872        AC_CHECK_HEADERS([libunwind-ptrace.h],
 873          [saved_LDFLAGS="$LDFLAGS"
 874           LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
 875
 876           AC_CHECK_LIB([unwind], [backtrace],
 877             [libunwind_LIBS="-lunwind $libunwind_LIBS"
 878
 879              AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
 880              saved_LIBS="$LIBS"
 881              LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
 882
 883              AC_LINK_IFELSE(
 884                [AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
 885                                 [[return !unw_create_addr_space(0, 0)]])
 886                ],
 887                [AC_MSG_RESULT([yes])
 888                 libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
 889
 890                 AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
 891                   [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
 892                    use_libunwind=yes
 893                   ],
 894                   [if test "x$with_libunwind" != xcheck; then
 895                      AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
 896                    fi
 897                   ],
 898                   [$libunwind_LIBS]
 899                 )
 900                ],
 901                [AC_MSG_RESULT([no])
 902                 if test "x$with_libunwind" != xcheck; then
 903                   AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
 904                 fi
 905                ]
 906              )
 907
 908              LIBS="$saved_LIBS"
 909             ],
 910             [if test "x$with_libunwind" != xcheck; then
 911                AC_MSG_FAILURE([failed to find libunwind])
 912              fi
 913             ],
 914             [$libunwind_LIBS]
 915           )
 916
 917           LDFLAGS="$saved_LDFLAGS"
 918          ],
 919          [if test "x$with_libunwind" != xcheck; then
 920             AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
 921           fi
 922          ]
 923        )
 924
 925        CPPFLAGS="$saved_CPPFLAGS"
 926       ]
 927 )
 928
 929 dnl enable libunwind
 930 AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
 931 if test "x$use_libunwind" = xyes; then
 932         AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
 933         AC_SUBST(libunwind_LIBS)
 934         AC_SUBST(libunwind_LDFLAGS)
 935         AC_SUBST(libunwind_CPPFLAGS)
 936 fi
 937 AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
 938 AC_MSG_RESULT([$use_libunwind])
 939
 940 if test "$arch" = mips && test "$no_create" != yes; then
 941         mkdir -p linux/mips
 942         if $srcdir/linux/mips/genstub.sh linux/mips; then
 943                 AC_MSG_RESULT([Generated MIPS syscallent stubs])
 944         else
 945                 AC_MSG_FAILURE([Failed to generate syscallent stubs])
 946         fi
 947 fi
 948
 949 st_MPERS([m32], [aarch64|powerpc64|sparc64|tile|x32|x86_64])
 950 st_MPERS([mx32], [x86_64])
 951
 952 AC_CONFIG_FILES([Makefile tests/Makefile tests-m32/Makefile tests-mx32/Makefile])
 953 AC_OUTPUT