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      1 #!/bin/sh
      2 #
      3 # Fio configure script. Heavily influenced by the manual qemu configure
      4 # script. Sad this this is easier than autoconf and enemies.
      5 #
      6 
      7 # set temporary file name
      8 if test ! -z "$TMPDIR" ; then
      9     TMPDIR1="${TMPDIR}"
     10 elif test ! -z "$TEMPDIR" ; then
     11     TMPDIR1="${TEMPDIR}"
     12 else
     13     TMPDIR1="/tmp"
     14 fi
     15 
     16 TMPC="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.c"
     17 TMPO="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.o"
     18 TMPE="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.exe"
     19 
     20 # NB: do not call "exit" in the trap handler; this is buggy with some shells;
     21 # see <1285349658-3122-1-git-send-email-loic.minier (at] linaro.org>
     22 trap "rm -f $TMPC $TMPO $TMPE" EXIT INT QUIT TERM
     23 
     24 rm -rf config.log
     25 
     26 config_host_mak="config-host.mak"
     27 config_host_h="config-host.h"
     28 
     29 rm -rf $config_host_mak
     30 rm -rf $config_host_h
     31 
     32 fatal() {
     33   echo $@
     34   echo "Configure failed, check config.log and/or the above output"
     35   rm -rf $config_host_mak
     36   rm -rf $config_host_h
     37   exit 1
     38 }
     39 
     40 # Default CFLAGS
     41 CFLAGS="-D_GNU_SOURCE -include config-host.h"
     42 BUILD_CFLAGS=""
     43 
     44 # Print a helpful header at the top of config.log
     45 echo "# FIO configure log $(date)" >> config.log
     46 printf "# Configured with:" >> config.log
     47 printf " '%s'" "$0" "$@" >> config.log
     48 echo >> config.log
     49 echo "#" >> config.log
     50 
     51 # Print configure header at the top of $config_host_h
     52 echo "/*" > $config_host_h
     53 echo " * Automatically generated by configure - do not modify" >> $config_host_h
     54 printf " * Configured with:" >> $config_host_h
     55 printf " * '%s'" "$0" "$@" >> $config_host_h
     56 echo "" >> $config_host_h
     57 echo " */" >> $config_host_h
     58 
     59 do_cc() {
     60     # Run the compiler, capturing its output to the log.
     61     echo $cc "$@" >> config.log
     62     $cc "$@" >> config.log 2>&1 || return $?
     63     # Test passed. If this is an --enable-werror build, rerun
     64     # the test with -Werror and bail out if it fails. This
     65     # makes warning-generating-errors in configure test code
     66     # obvious to developers.
     67     if test "$werror" != "yes"; then
     68         return 0
     69     fi
     70     # Don't bother rerunning the compile if we were already using -Werror
     71     case "$*" in
     72         *-Werror*)
     73            return 0
     74         ;;
     75     esac
     76     echo $cc -Werror "$@" >> config.log
     77     $cc -Werror "$@" >> config.log 2>&1 && return $?
     78     echo "ERROR: configure test passed without -Werror but failed with -Werror."
     79     echo "This is probably a bug in the configure script. The failing command"
     80     echo "will be at the bottom of config.log."
     81     fatal "You can run configure with --disable-werror to bypass this check."
     82 }
     83 
     84 compile_object() {
     85   do_cc $CFLAGS -c -o $TMPO $TMPC
     86 }
     87 
     88 compile_prog() {
     89   local_cflags="$1"
     90   local_ldflags="$2 $LIBS"
     91   echo "Compiling test case $3" >> config.log
     92   do_cc $CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
     93 }
     94 
     95 feature_not_found() {
     96   feature=$1
     97   packages=$2
     98 
     99   echo "ERROR"
    100   echo "ERROR: User requested feature $feature"
    101   if test ! -z "$packages" ; then
    102     echo "ERROR: That feature needs $packages installed"
    103   fi
    104   echo "ERROR: configure was not able to find it"
    105   fatal "ERROR"
    106 }
    107 
    108 has() {
    109   type "$1" >/dev/null 2>&1
    110 }
    111 
    112 check_define() {
    113   cat > $TMPC <<EOF
    114 #if !defined($1)
    115 #error $1 not defined
    116 #endif
    117 int main(void)
    118 {
    119   return 0;
    120 }
    121 EOF
    122   compile_object
    123 }
    124 
    125 output_sym() {
    126   echo "$1=y" >> $config_host_mak
    127   echo "#define $1" >> $config_host_h
    128 }
    129 
    130 targetos=""
    131 cpu=""
    132 
    133 # default options
    134 show_help="no"
    135 exit_val=0
    136 gfio="no"
    137 
    138 # parse options
    139 for opt do
    140   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
    141   case "$opt" in
    142   --cpu=*) cpu="$optarg"
    143   ;;
    144   --cc=*) CC="$optarg"
    145   ;;
    146   --extra-cflags=*) CFLAGS="$CFLAGS $optarg"
    147   ;;
    148   --build-32bit-win) build_32bit_win="yes"
    149   ;;
    150   --enable-gfio)
    151   gfio="yes"
    152   ;;
    153   --disable-numa) disable_numa="yes"
    154   ;;
    155   --help)
    156     show_help="yes"
    157     ;;
    158   *)
    159   echo "Bad option $opt"
    160   show_help="yes"
    161   exit_val=1
    162   esac
    163 done
    164 
    165 if test "$show_help" = "yes" ; then
    166   echo "--cpu=                 Specify target CPU if auto-detect fails"
    167   echo "--cc=                  Specify compiler to use"
    168   echo "--extra-cflags=        Specify extra CFLAGS to pass to compiler"
    169   echo "--build-32bit-win      Enable 32-bit build on Windows"
    170   echo "--enable-gfio          Enable building of gtk gfio"
    171   echo "--disable-numa         Disable libnuma even if found"
    172   exit $exit_val
    173 fi
    174 
    175 cross_prefix=${cross_prefix-${CROSS_COMPILE}}
    176 cc="${CC-${cross_prefix}gcc}"
    177 
    178 if check_define __ANDROID__ ; then
    179   targetos="Android"
    180 elif check_define __linux__ ; then
    181   targetos="Linux"
    182 elif check_define __OpenBSD__ ; then
    183   targetos='OpenBSD'
    184 elif check_define __sun__ ; then
    185   targetos='SunOS'
    186   CFLAGS="$CFLAGS -D_REENTRANT"
    187 elif check_define _WIN32 ; then
    188   targetos='CYGWIN'
    189 else
    190   targetos=`uname -s`
    191 fi
    192 
    193 echo "# Automatically generated by configure - do not modify" > $config_host_mak
    194 printf "# Configured with:" >> $config_host_mak
    195 printf " '%s'" "$0" "$@" >> $config_host_mak
    196 echo >> $config_host_mak
    197 echo "CONFIG_TARGET_OS=$targetos" >> $config_host_mak
    198 
    199 # Some host OSes need non-standard checks for which CPU to use.
    200 # Note that these checks are broken for cross-compilation: if you're
    201 # cross-compiling to one of these OSes then you'll need to specify
    202 # the correct CPU with the --cpu option.
    203 case $targetos in
    204 Darwin)
    205   # on Leopard most of the system is 32-bit, so we have to ask the kernel if
    206   # we can run 64-bit userspace code.
    207   # If the user didn't specify a CPU explicitly and the kernel says this is
    208   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual
    209   # detection code.
    210   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
    211     cpu="x86_64"
    212   fi
    213   ;;
    214 SunOS)
    215   # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
    216   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
    217     cpu="x86_64"
    218   fi
    219   LIBS="-lnsl -lsocket"
    220   ;;
    221 CYGWIN*)
    222   echo "Forcing known good options on Windows"
    223   if test -z "$CC" ; then
    224     if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
    225       CC="i686-w64-mingw32-gcc"
    226     else
    227       CC="x86_64-w64-mingw32-gcc"
    228     fi
    229   fi
    230   output_sym "CONFIG_LITTLE_ENDIAN"
    231   if test ! -z "$build_32bit_win" && test "$build_32bit_win" = "yes"; then
    232     output_sym "CONFIG_32BIT"
    233   else
    234     output_sym "CONFIG_64BIT_LLP64"
    235   fi
    236   output_sym "CONFIG_FADVISE"
    237   output_sym "CONFIG_SOCKLEN_T"
    238   output_sym "CONFIG_FADVISE"
    239   output_sym "CONFIG_SFAA"
    240   output_sym "CONFIG_RUSAGE_THREAD"
    241   output_sym "CONFIG_WINDOWSAIO"
    242   output_sym "CONFIG_FDATASYNC"
    243   output_sym "CONFIG_CLOCK_MONOTONIC"
    244   output_sym "CONFIG_GETTIMEOFDAY"
    245   output_sym "CONFIG_CLOCK_GETTIME"
    246   output_sym "CONFIG_SCHED_IDLE"
    247   output_sym "CONFIG_TCP_NODELAY"
    248   output_sym "CONFIG_TLS_THREAD"
    249   output_sym "CONFIG_IPV6"
    250   echo "CC=$CC" >> $config_host_mak
    251   echo "BUILD_CFLAGS=$CFLAGS -include config-host.h -D_GNU_SOURCE" >> $config_host_mak
    252   exit 0
    253   ;;
    254 esac
    255 
    256 if test ! -z "$cpu" ; then
    257   # command line argument
    258   :
    259 elif check_define __i386__ ; then
    260   cpu="i386"
    261 elif check_define __x86_64__ ; then
    262   cpu="x86_64"
    263 elif check_define __sparc__ ; then
    264   if check_define __arch64__ ; then
    265     cpu="sparc64"
    266   else
    267     cpu="sparc"
    268   fi
    269 elif check_define _ARCH_PPC ; then
    270   if check_define _ARCH_PPC64 ; then
    271     cpu="ppc64"
    272   else
    273     cpu="ppc"
    274   fi
    275 elif check_define __mips__ ; then
    276   cpu="mips"
    277 elif check_define __ia64__ ; then
    278   cpu="ia64"
    279 elif check_define __s390__ ; then
    280   if check_define __s390x__ ; then
    281     cpu="s390x"
    282   else
    283     cpu="s390"
    284   fi
    285 elif check_define __arm__ ; then
    286   cpu="arm"
    287 elif check_define __hppa__ ; then
    288   cpu="hppa"
    289 else
    290   cpu=`uname -m`
    291 fi
    292 
    293 # Normalise host CPU name and set ARCH.
    294 case "$cpu" in
    295   ia64|ppc|ppc64|s390|s390x|sparc64)
    296     cpu="$cpu"
    297   ;;
    298   i386|i486|i586|i686|i86pc|BePC)
    299     cpu="i386"
    300   ;;
    301   x86_64|amd64)
    302     cpu="x86_64"
    303   ;;
    304   armv*b|armv*l|arm)
    305     cpu="arm"
    306   ;;
    307   hppa|parisc|parisc64)
    308     cpu="hppa"
    309   ;;
    310   mips*)
    311     cpu="mips"
    312   ;;
    313   sparc|sun4[cdmuv])
    314     cpu="sparc"
    315   ;;
    316   *)
    317   echo "Unknown CPU"
    318   ;;
    319 esac
    320 
    321 if test -z "$CC" ; then
    322   if test "$targetos" = "FreeBSD"; then
    323     if has clang; then
    324       CC=clang
    325     else
    326       CC=gcc
    327     fi
    328   fi
    329 fi
    330 
    331 cc="${CC-${cross_prefix}gcc}"
    332 
    333 ##########################################
    334 # check cross compile
    335 
    336 cross_compile="no"
    337 cat > $TMPC <<EOF
    338 int main(void)
    339 {
    340   return 0;
    341 }
    342 EOF
    343 if compile_prog "" "" "cross"; then
    344   $TMPE 2>/dev/null || cross_compile="yes"
    345 else
    346   fatal "compile test failed"
    347 fi
    348 
    349 ##########################################
    350 # check endianness
    351 bigendian="no"
    352 if test "$cross_compile" = "no" ; then
    353   cat > $TMPC <<EOF
    354 #include <inttypes.h>
    355 int main(void)
    356 {
    357   volatile uint32_t i=0x01234567;
    358   return (*((uint8_t*)(&i))) == 0x67;
    359 }
    360 EOF
    361   if compile_prog "" "" "endian"; then
    362     $TMPE && bigendian="yes"
    363   fi
    364 else
    365   # If we're cross compiling, try our best to work it out and rely on the
    366   # run-time check to fail if we get it wrong.
    367   cat > $TMPC <<EOF
    368 #include <endian.h>
    369 int main(void)
    370 {
    371 #if __BYTE_ORDER != __BIG_ENDIAN
    372 # error "Unknown endianness"
    373 #endif
    374 }
    375 EOF
    376   compile_prog "" "" "endian" && bigendian="yes"
    377   check_define "__ARMEB__" && bigendian="yes"
    378   check_define "__MIPSEB__" && bigendian="yes"
    379 fi
    380 
    381 
    382 echo "Operating system              $targetos"
    383 echo "CPU                           $cpu"
    384 echo "Big endian                    $bigendian"
    385 echo "Compiler                      $cc"
    386 echo "Cross compile                 $cross_compile"
    387 echo
    388 
    389 ##########################################
    390 # check for wordsize
    391 wordsize="0"
    392 cat > $TMPC <<EOF
    393 #include <limits.h>
    394 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
    395 int main(void)
    396 {
    397   BUILD_BUG_ON(sizeof(long)*CHAR_BIT != WORDSIZE);
    398   return 0;
    399 }
    400 EOF
    401 if compile_prog "-DWORDSIZE=32" "" "wordsize"; then
    402   wordsize="32"
    403 elif compile_prog "-DWORDSIZE=64" "" "wordsize"; then
    404   wordsize="64"
    405 else
    406   fatal "Unknown wordsize"
    407 fi
    408 echo "Wordsize                      $wordsize"
    409 
    410 ##########################################
    411 # zlib probe
    412 zlib="no"
    413 cat > $TMPC <<EOF
    414 #include <zlib.h>
    415 int main(void)
    416 {
    417   z_stream stream;
    418   if (inflateInit(&stream) != Z_OK)
    419     return 1;
    420   return 0;
    421 }
    422 EOF
    423 if compile_prog "" "-lz" "zlib" ; then
    424   zlib=yes
    425   LIBS="-lz $LIBS"
    426 fi
    427 echo "zlib                          $zlib"
    428 
    429 ##########################################
    430 # linux-aio probe
    431 libaio="no"
    432 cat > $TMPC <<EOF
    433 #include <libaio.h>
    434 #include <stddef.h>
    435 int main(void)
    436 {
    437   io_setup(0, NULL);
    438   return 0;
    439 }
    440 EOF
    441 if compile_prog "" "-laio" "libaio" ; then
    442   libaio=yes
    443   LIBS="-laio $LIBS"
    444 else
    445   if test "$libaio" = "yes" ; then
    446     feature_not_found "linux AIO" "libaio-dev or libaio-devel"
    447   fi
    448   libaio=no
    449 fi
    450 echo "Linux AIO support             $libaio"
    451 
    452 ##########################################
    453 # posix aio probe
    454 posix_aio="no"
    455 posix_aio_lrt="no"
    456 cat > $TMPC <<EOF
    457 #include <aio.h>
    458 int main(void)
    459 {
    460   struct aiocb cb;
    461   aio_read(&cb);
    462   return 0;
    463 }
    464 EOF
    465 if compile_prog "" "" "posixaio" ; then
    466   posix_aio="yes"
    467 elif compile_prog "" "-lrt" "posixaio"; then
    468   posix_aio="yes"
    469   posix_aio_lrt="yes"
    470   LIBS="-lrt $LIBS"
    471 fi
    472 echo "POSIX AIO support             $posix_aio"
    473 echo "POSIX AIO support needs -lrt  $posix_aio_lrt"
    474 
    475 ##########################################
    476 # posix aio fsync probe
    477 posix_aio_fsync="no"
    478 if test "$posix_aio" = "yes" ; then
    479   cat > $TMPC <<EOF
    480 #include <fcntl.h>
    481 #include <aio.h>
    482 int main(void)
    483 {
    484   struct aiocb cb;
    485   return aio_fsync(O_SYNC, &cb);
    486   return 0;
    487 }
    488 EOF
    489   if compile_prog "" "$LIBS" "posix_aio_fsync" ; then
    490     posix_aio_fsync=yes
    491   fi
    492 fi
    493 echo "POSIX AIO fsync               $posix_aio_fsync"
    494 
    495 ##########################################
    496 # solaris aio probe
    497 solaris_aio="no"
    498 cat > $TMPC <<EOF
    499 #include <sys/types.h>
    500 #include <sys/asynch.h>
    501 #include <unistd.h>
    502 int main(void)
    503 {
    504   aio_result_t res;
    505   return aioread(0, NULL, 0, 0, SEEK_SET, &res);
    506   return 0;
    507 }
    508 EOF
    509 if compile_prog "" "-laio" "solarisaio" ; then
    510   solaris_aio=yes
    511   LIBS="-laio $LIBS"
    512 fi
    513 echo "Solaris AIO support           $solaris_aio"
    514 
    515 ##########################################
    516 # __sync_fetch_and_and test
    517 sfaa="no"
    518 cat > $TMPC << EOF
    519 static int sfaa(int *ptr)
    520 {
    521   return __sync_fetch_and_add(ptr, 0);
    522 }
    523 
    524 int main(int argc, char **argv)
    525 {
    526   int val = 42;
    527   sfaa(&val);
    528   return val;
    529 }
    530 EOF
    531 if compile_prog "" "" "__sync_fetch_and_add()" ; then
    532     sfaa="yes"
    533 fi
    534 echo "__sync_fetch_and_add          $sfaa"
    535 
    536 ##########################################
    537 # libverbs probe
    538 libverbs="no"
    539 cat > $TMPC << EOF
    540 #include <stdio.h>
    541 #include <infiniband/arch.h>
    542 int main(int argc, char **argv)
    543 {
    544   struct ibv_pd *pd = ibv_alloc_pd(NULL);
    545   return 0;
    546 }
    547 EOF
    548 if compile_prog "" "-libverbs" "libverbs" ; then
    549     libverbs="yes"
    550     LIBS="-libverbs $LIBS"
    551 fi
    552 echo "libverbs                      $libverbs"
    553 
    554 ##########################################
    555 # rdmacm probe
    556 rdmacm="no"
    557 cat > $TMPC << EOF
    558 #include <stdio.h>
    559 #include <rdma/rdma_cma.h>
    560 int main(int argc, char **argv)
    561 {
    562   rdma_destroy_qp(NULL);
    563   return 0;
    564 }
    565 EOF
    566 if compile_prog "" "-lrdmacm" "rdma"; then
    567     rdmacm="yes"
    568     LIBS="-lrdmacm $LIBS"
    569 fi
    570 echo "rdmacm                        $rdmacm"
    571 
    572 ##########################################
    573 # Linux fallocate probe
    574 linux_fallocate="no"
    575 cat > $TMPC << EOF
    576 #include <stdio.h>
    577 #include <fcntl.h>
    578 #include <linux/falloc.h>
    579 int main(int argc, char **argv)
    580 {
    581   int r = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 1024);
    582   return r;
    583 }
    584 EOF
    585 if compile_prog "" "" "linux_fallocate"; then
    586     linux_fallocate="yes"
    587 fi
    588 echo "Linux fallocate               $linux_fallocate"
    589 
    590 ##########################################
    591 # POSIX fadvise probe
    592 posix_fadvise="no"
    593 cat > $TMPC << EOF
    594 #include <stdio.h>
    595 #include <fcntl.h>
    596 int main(int argc, char **argv)
    597 {
    598   int r = posix_fadvise(0, 0, 0, POSIX_FADV_NORMAL);
    599   return r;
    600 }
    601 EOF
    602 if compile_prog "" "" "posix_fadvise"; then
    603     posix_fadvise="yes"
    604 fi
    605 echo "POSIX fadvise                 $posix_fadvise"
    606 
    607 ##########################################
    608 # POSIX fallocate probe
    609 posix_fallocate="no"
    610 cat > $TMPC << EOF
    611 #include <stdio.h>
    612 #include <fcntl.h>
    613 int main(int argc, char **argv)
    614 {
    615   int r = posix_fallocate(0, 0, 1024);
    616   return r;
    617 }
    618 EOF
    619 if compile_prog "" "" "posix_fallocate"; then
    620     posix_fallocate="yes"
    621 fi
    622 echo "POSIX fallocate               $posix_fallocate"
    623 
    624 ##########################################
    625 # sched_set/getaffinity 2 or 3 argument test
    626 linux_2arg_affinity="no"
    627 linux_3arg_affinity="no"
    628 cat > $TMPC << EOF
    629 #include <sched.h>
    630 int main(int argc, char **argv)
    631 {
    632   cpu_set_t mask;
    633   return sched_setaffinity(0, sizeof(mask), &mask);
    634 }
    635 EOF
    636 if compile_prog "" "" "sched_setaffinity(,,)"; then
    637   linux_3arg_affinity="yes"
    638 else
    639   cat > $TMPC << EOF
    640 #include <sched.h>
    641 int main(int argc, char **argv)
    642 {
    643   cpu_set_t mask;
    644   return sched_setaffinity(0, &mask);
    645 }
    646 EOF
    647   if compile_prog "" "" "sched_setaffinity(,)"; then
    648     linux_2arg_affinity="yes"
    649   fi
    650 fi
    651 echo "sched_setaffinity(3 arg)      $linux_3arg_affinity"
    652 echo "sched_setaffinity(2 arg)      $linux_2arg_affinity"
    653 
    654 ##########################################
    655 # clock_gettime probe
    656 clock_gettime="no"
    657 cat > $TMPC << EOF
    658 #include <stdio.h>
    659 #include <time.h>
    660 int main(int argc, char **argv)
    661 {
    662   return clock_gettime(0, NULL);
    663 }
    664 EOF
    665 if compile_prog "" "" "clock_gettime"; then
    666     clock_gettime="yes"
    667 elif compile_prog "" "-lrt" "clock_gettime"; then
    668     clock_gettime="yes"
    669     LIBS="-lrt $LIBS"
    670 fi
    671 echo "clock_gettime                 $clock_gettime"
    672 
    673 ##########################################
    674 # CLOCK_MONOTONIC probe
    675 clock_monotonic="no"
    676 if test "$clock_gettime" = "yes" ; then
    677   cat > $TMPC << EOF
    678 #include <stdio.h>
    679 #include <time.h>
    680 int main(int argc, char **argv)
    681 {
    682   return clock_gettime(CLOCK_MONOTONIC, NULL);
    683 }
    684 EOF
    685   if compile_prog "" "$LIBS" "clock monotonic"; then
    686       clock_monotonic="yes"
    687   fi
    688 fi
    689 echo "CLOCK_MONOTONIC               $clock_monotonic"
    690 
    691 ##########################################
    692 # CLOCK_MONOTONIC_PRECISE probe
    693 clock_monotonic_precise="no"
    694 if test "$clock_gettime" = "yes" ; then
    695   cat > $TMPC << EOF
    696 #include <stdio.h>
    697 #include <time.h>
    698 int main(int argc, char **argv)
    699 {
    700   return clock_gettime(CLOCK_MONOTONIC_PRECISE, NULL);
    701 }
    702 EOF
    703   if compile_prog "" "$LIBS" "clock monotonic precise"; then
    704       clock_monotonic_precise="yes"
    705   fi
    706 fi
    707 echo "CLOCK_MONOTONIC_PRECISE       $clock_monotonic_precise"
    708 
    709 ##########################################
    710 # gettimeofday() probe
    711 gettimeofday="no"
    712 cat > $TMPC << EOF
    713 #include <sys/time.h>
    714 #include <stdio.h>
    715 int main(int argc, char **argv)
    716 {
    717   struct timeval tv;
    718   return gettimeofday(&tv, NULL);
    719 }
    720 EOF
    721 if compile_prog "" "" "gettimeofday"; then
    722     gettimeofday="yes"
    723 fi
    724 echo "gettimeofday                  $gettimeofday"
    725 
    726 ##########################################
    727 # fdatasync() probe
    728 fdatasync="no"
    729 cat > $TMPC << EOF
    730 #include <stdio.h>
    731 #include <unistd.h>
    732 int main(int argc, char **argv)
    733 {
    734   return fdatasync(0);
    735 }
    736 EOF
    737 if compile_prog "" "" "fdatasync"; then
    738   fdatasync="yes"
    739 fi
    740 echo "fdatasync                     $fdatasync"
    741 
    742 ##########################################
    743 # sync_file_range() probe
    744 sync_file_range="no"
    745 cat > $TMPC << EOF
    746 #include <stdio.h>
    747 #include <unistd.h>
    748 #include <fcntl.h>
    749 #include <linux/fs.h>
    750 int main(int argc, char **argv)
    751 {
    752   unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE | SYNC_FILE_RANGE_WRITE |
    753 			SYNC_FILE_RANGE_WAIT_AFTER;
    754   return sync_file_range(0, 0, 0, flags);
    755 }
    756 EOF
    757 if compile_prog "" "" "sync_file_range"; then
    758   sync_file_range="yes"
    759 fi
    760 echo "sync_file_range               $sync_file_range"
    761 
    762 ##########################################
    763 # ext4 move extent probe
    764 ext4_me="no"
    765 cat > $TMPC << EOF
    766 #include <fcntl.h>
    767 #include <sys/ioctl.h>
    768 int main(int argc, char **argv)
    769 {
    770   struct move_extent me;
    771   return ioctl(0, EXT4_IOC_MOVE_EXT, &me);
    772 }
    773 EOF
    774 if compile_prog "" "" "ext4 move extent" ; then
    775   ext4_me="yes"
    776 elif test $targetos = "Linux" ; then
    777   # On Linux, just default to it on and let it error at runtime if we really
    778   # don't have it. None of my updated systems have it defined, but it does
    779   # work. Takes a while to bubble back.
    780   ext4_me="yes"
    781 fi
    782 echo "EXT4 move extent              $ext4_me"
    783 
    784 ##########################################
    785 # splice probe
    786 linux_splice="no"
    787 cat > $TMPC << EOF
    788 #include <stdio.h>
    789 #include <fcntl.h>
    790 int main(int argc, char **argv)
    791 {
    792   return splice(0, NULL, 0, NULL, 0, SPLICE_F_NONBLOCK);
    793 }
    794 EOF
    795 if compile_prog "" "" "linux splice"; then
    796   linux_splice="yes"
    797 fi
    798 echo "Linux splice(2)               $linux_splice"
    799 
    800 ##########################################
    801 # GUASI probe
    802 guasi="no"
    803 cat > $TMPC << EOF
    804 #include <guasi.h>
    805 #include <guasi_syscalls.h>
    806 int main(int argc, char **argv)
    807 {
    808   guasi_t ctx = guasi_create(0, 0, 0);
    809   return 0;
    810 }
    811 EOF
    812 if compile_prog "" "" "guasi"; then
    813   guasi="yes"
    814 fi
    815 echo "GUASI                         $guasi"
    816 
    817 ##########################################
    818 # fusion-aw probe
    819 fusion_aw="no"
    820 cat > $TMPC << EOF
    821 #include <nvm/nvm_primitives.h>
    822 int main(int argc, char **argv)
    823 {
    824   nvm_version_t ver_info;
    825   nvm_handle_t handle;
    826 
    827   handle = nvm_get_handle(0, &ver_info);
    828   return nvm_atomic_write(handle, 0, 0, 0);
    829 }
    830 EOF
    831 if compile_prog "" "-L/usr/lib/fio -L/usr/lib/nvm -lnvm-primitives -lvsl -ldl" "fusion-aw"; then
    832   LIBS="-L/usr/lib/fio -L/usr/lib/nvm -lnvm-primitives -lvsl -ldl $LIBS"
    833   fusion_aw="yes"
    834 fi
    835 echo "Fusion-io atomic engine       $fusion_aw"
    836 
    837 ##########################################
    838 # libnuma probe
    839 libnuma="no"
    840 cat > $TMPC << EOF
    841 #include <numa.h>
    842 int main(int argc, char **argv)
    843 {
    844   return numa_available();
    845 }
    846 EOF
    847 if test "$disable_numa" != "yes"  && compile_prog "" "-lnuma" "libnuma"; then
    848   libnuma="yes"
    849   LIBS="-lnuma $LIBS"
    850 fi
    851 echo "libnuma                       $libnuma"
    852 
    853 ##########################################
    854 # libnuma 2.x version API
    855 if test "$libnuma" = "yes" ; then
    856 libnuma_v2="no"
    857 cat > $TMPC << EOF
    858 #include <numa.h>
    859 int main(int argc, char **argv)
    860 {
    861   struct bitmask *mask = numa_parse_nodestring(NULL);
    862   return 0;
    863 }
    864 EOF
    865 if compile_prog "" "" "libnuma api"; then
    866   libnuma_v2="yes"
    867 fi
    868 echo "libnuma v2                    $libnuma_v2"
    869 fi
    870 
    871 ##########################################
    872 # strsep() probe
    873 strsep="no"
    874 cat > $TMPC << EOF
    875 #include <string.h>
    876 int main(int argc, char **argv)
    877 {
    878   strsep(NULL, NULL);
    879   return 0;
    880 }
    881 EOF
    882 if compile_prog "" "" "strsep"; then
    883   strsep="yes"
    884 fi
    885 echo "strsep                        $strsep"
    886 
    887 ##########################################
    888 # strcasestr() probe
    889 strcasestr="no"
    890 cat > $TMPC << EOF
    891 #include <string.h>
    892 int main(int argc, char **argv)
    893 {
    894   return strcasestr(argv[0], argv[1]) != NULL;
    895 }
    896 EOF
    897 if compile_prog "" "" "strcasestr"; then
    898   strcasestr="yes"
    899 fi
    900 echo "strcasestr                    $strcasestr"
    901 
    902 ##########################################
    903 # getopt_long_only() probe
    904 getopt_long_only="no"
    905 cat > $TMPC << EOF
    906 #include <unistd.h>
    907 #include <stdio.h>
    908 #include <getopt.h>
    909 int main(int argc, char **argv)
    910 {
    911   int c = getopt_long_only(argc, argv, NULL, NULL, NULL);
    912   return c;
    913 }
    914 EOF
    915 if compile_prog "" "" "getopt_long_only"; then
    916   getopt_long_only="yes"
    917 fi
    918 echo "getopt_long_only()            $getopt_long_only"
    919 
    920 ##########################################
    921 # inet_aton() probe
    922 inet_aton="no"
    923 cat > $TMPC << EOF
    924 #include <sys/socket.h>
    925 #include <arpa/inet.h>
    926 #include <stdio.h>
    927 int main(int argc, char **argv)
    928 {
    929   struct in_addr in;
    930   return inet_aton(NULL, &in);
    931 }
    932 EOF
    933 if compile_prog "" "" "inet_aton"; then
    934   inet_aton="yes"
    935 fi
    936 echo "inet_aton                     $inet_aton"
    937 
    938 ##########################################
    939 # socklen_t probe
    940 socklen_t="no"
    941 cat > $TMPC << EOF
    942 #include <sys/socket.h>
    943 int main(int argc, char **argv)
    944 {
    945   socklen_t len = 0;
    946   return len;
    947 }
    948 EOF
    949 if compile_prog "" "" "socklen_t"; then
    950   socklen_t="yes"
    951 fi
    952 echo "socklen_t                     $socklen_t"
    953 
    954 ##########################################
    955 # Whether or not __thread is supported for TLS
    956 tls_thread="no"
    957 cat > $TMPC << EOF
    958 #include <stdio.h>
    959 static __thread int ret;
    960 int main(int argc, char **argv)
    961 {
    962   return ret;
    963 }
    964 EOF
    965 if compile_prog "" "" "__thread"; then
    966   tls_thread="yes"
    967 fi
    968 echo "__thread                      $tls_thread"
    969 
    970 ##########################################
    971 # Check if we have required gtk/glib support for gfio
    972 if test "$gfio" = "yes" ; then
    973   cat > $TMPC << EOF
    974 #include <glib.h>
    975 #include <cairo.h>
    976 #include <gtk/gtk.h>
    977 int main(void)
    978 {
    979   gdk_threads_enter();
    980   gdk_threads_leave();
    981 
    982   printf("%d", GTK_CHECK_VERSION(2, 18, 0));
    983 }
    984 EOF
    985 GTK_CFLAGS=$(pkg-config --cflags gtk+-2.0 gthread-2.0)
    986 if test "$?" != "0" ; then
    987   echo "configure: gtk and gthread not found"
    988   exit 1
    989 fi
    990 GTK_LIBS=$(pkg-config --libs gtk+-2.0 gthread-2.0)
    991 if test "$?" != "0" ; then
    992   echo "configure: gtk and gthread not found"
    993   exit 1
    994 fi
    995 if compile_prog "$GTK_CFLAGS" "$GTK_LIBS" "gfio" ; then
    996   r=$($TMPE)
    997   if test "$r" != "0" ; then
    998     gfio="yes"
    999     LIBS="$LIBS $GTK_LIBS"
   1000     CFLAGS="$CFLAGS $GTK_CFLAGS"
   1001   else
   1002     echo "GTK found, but need version 2.18 or higher"
   1003     gfio="no"
   1004   fi
   1005 else
   1006   echo "Please install gtk and gdk libraries"
   1007   gfio="no"
   1008 fi
   1009 fi
   1010 
   1011 echo "gtk 2.18 or higher            $gfio"
   1012 
   1013 # Check whether we have getrusage(RUSAGE_THREAD)
   1014 rusage_thread="no"
   1015 cat > $TMPC << EOF
   1016 #include <sys/time.h>
   1017 #include <sys/resource.h>
   1018 int main(int argc, char **argv)
   1019 {
   1020   struct rusage ru;
   1021   getrusage(RUSAGE_THREAD, &ru);
   1022   return 0;
   1023 }
   1024 EOF
   1025 if compile_prog "" "" "RUSAGE_THREAD"; then
   1026   rusage_thread="yes"
   1027 fi
   1028 echo "RUSAGE_THREAD                 $rusage_thread"
   1029 
   1030 ##########################################
   1031 # Check whether we have SCHED_IDLE
   1032 sched_idle="no"
   1033 cat > $TMPC << EOF
   1034 #include <sched.h>
   1035 int main(int argc, char **argv)
   1036 {
   1037   struct sched_param p;
   1038   return sched_setscheduler(0, SCHED_IDLE, &p);
   1039 }
   1040 EOF
   1041 if compile_prog "" "" "SCHED_IDLE"; then
   1042   sched_idle="yes"
   1043 fi
   1044 echo "SCHED_IDLE                    $sched_idle"
   1045 
   1046 ##########################################
   1047 # Check whether we have TCP_NODELAY
   1048 tcp_nodelay="no"
   1049 cat > $TMPC << EOF
   1050 #include <stdio.h>
   1051 #include <sys/types.h>
   1052 #include <sys/socket.h>
   1053 #include <netinet/tcp.h>
   1054 int main(int argc, char **argv)
   1055 {
   1056   return getsockopt(0, 0, TCP_NODELAY, NULL, NULL);
   1057 }
   1058 EOF
   1059 if compile_prog "" "" "TCP_NODELAY"; then
   1060   tcp_nodelay="yes"
   1061 fi
   1062 echo "TCP_NODELAY                   $tcp_nodelay"
   1063 
   1064 ##########################################
   1065 # Check whether we have RLIMIT_MEMLOCK
   1066 rlimit_memlock="no"
   1067 cat > $TMPC << EOF
   1068 #include <sys/time.h>
   1069 #include <sys/resource.h>
   1070 int main(int argc, char **argv)
   1071 {
   1072   struct rlimit rl;
   1073   return getrlimit(RLIMIT_MEMLOCK, &rl);
   1074 }
   1075 EOF
   1076 if compile_prog "" "" "RLIMIT_MEMLOCK"; then
   1077   rlimit_memlock="yes"
   1078 fi
   1079 echo "RLIMIT_MEMLOCK                $rlimit_memlock"
   1080 
   1081 ##########################################
   1082 # Check whether we have pwritev/preadv
   1083 pwritev="no"
   1084 cat > $TMPC << EOF
   1085 #include <stdio.h>
   1086 #include <sys/uio.h>
   1087 int main(int argc, char **argv)
   1088 {
   1089   return pwritev(0, NULL, 1, 0) + preadv(0, NULL, 1, 0);
   1090 }
   1091 EOF
   1092 if compile_prog "" "" "pwritev"; then
   1093   pwritev="yes"
   1094 fi
   1095 echo "pwritev/preadv                $pwritev"
   1096 
   1097 ##########################################
   1098 # Check whether we have the required functions for ipv6
   1099 ipv6="no"
   1100 cat > $TMPC << EOF
   1101 #include <sys/types.h>
   1102 #include <sys/socket.h>
   1103 #include <netinet/in.h>
   1104 #include <netdb.h>
   1105 #include <stdio.h>
   1106 int main(int argc, char **argv)
   1107 {
   1108   struct addrinfo hints;
   1109   struct in6_addr addr;
   1110   int ret;
   1111 
   1112   ret = getaddrinfo(NULL, NULL, &hints, NULL);
   1113   freeaddrinfo(NULL);
   1114   printf("%s\n", gai_strerror(ret));
   1115   addr = in6addr_any;
   1116   return 0;
   1117 }
   1118 EOF
   1119 if compile_prog "" "" "ipv6"; then
   1120   ipv6="yes"
   1121 fi
   1122 echo "IPv6 helpers                  $ipv6"
   1123 
   1124 ##########################################
   1125 # check for rbd
   1126 rbd="no"
   1127 cat > $TMPC << EOF
   1128 #include <rbd/librbd.h>
   1129 
   1130 int main(int argc, char **argv)
   1131 {
   1132 
   1133   rados_t cluster;
   1134   rados_ioctx_t io_ctx;
   1135   const char pool[] = "rbd";
   1136 
   1137   int major, minor, extra;
   1138   rbd_version(&major, &minor, &extra);
   1139 
   1140   rados_ioctx_create(cluster, pool, &io_ctx);
   1141   return 0;
   1142 }
   1143 EOF
   1144 if compile_prog "" "-lrbd -lrados" "rbd"; then
   1145   LIBS="-lrbd -lrados $LIBS"
   1146   rbd="yes"
   1147 fi
   1148 echo "Rados Block Device engine     $rbd"
   1149 
   1150 ##########################################
   1151 # Check whether we have setvbuf
   1152 setvbuf="no"
   1153 cat > $TMPC << EOF
   1154 #include <stdio.h>
   1155 int main(int argc, char **argv)
   1156 {
   1157   FILE *f = NULL;
   1158   char buf[80];
   1159   setvbuf(f, buf, _IOFBF, sizeof(buf));
   1160   return 0;
   1161 }
   1162 EOF
   1163 if compile_prog "" "" "setvbuf"; then
   1164   setvbuf="yes"
   1165 fi
   1166 echo "setvbuf                       $setvbuf"
   1167 
   1168 ##########################################
   1169 # Check if we support stckf on s390
   1170 s390_z196_facilities="no"
   1171 cat > $TMPC << EOF
   1172 #define STFLE_BITS_Z196 45 /* various z196 facilities ... */
   1173 int main(int argc, char **argv)
   1174 {
   1175     /* We want just 1 double word to be returned.  */
   1176     register unsigned long reg0 asm("0") = 0;
   1177     unsigned long stfle_bits;
   1178     asm volatile(".machine push"        "\n\t"
   1179                  ".machine \"z9-109\""  "\n\t"
   1180                  "stfle %0"             "\n\t"
   1181                  ".machine pop"         "\n"
   1182                  : "=QS" (stfle_bits), "+d" (reg0)
   1183                  : : "cc");
   1184 
   1185     if ((stfle_bits & (1UL << (63 - STFLE_BITS_Z196))) != 0)
   1186       return 0;
   1187     else
   1188       return -1;
   1189 }
   1190 EOF
   1191 if compile_prog "" "" "s390_z196_facilities"; then
   1192   $TMPE
   1193   if [[ $? -eq 0 ]]; then
   1194   	s390_z196_facilities="yes"
   1195   fi
   1196 fi
   1197 echo "s390_z196_facilities          $s390_z196_facilities"
   1198 #############################################################################
   1199 
   1200 if test "$wordsize" = "64" ; then
   1201   output_sym "CONFIG_64BIT"
   1202 elif test "$wordsize" = "32" ; then
   1203   output_sym "CONFIG_32BIT"
   1204 else
   1205   fatal "Unknown wordsize!"
   1206 fi
   1207 if test "$bigendian" = "yes" ; then
   1208   output_sym "CONFIG_BIG_ENDIAN"
   1209 else
   1210   output_sym "CONFIG_LITTLE_ENDIAN"
   1211 fi
   1212 if test "$zlib" = "yes" ; then
   1213   output_sym "CONFIG_ZLIB"
   1214 fi
   1215 if test "$libaio" = "yes" ; then
   1216   output_sym "CONFIG_LIBAIO"
   1217 fi
   1218 if test "$posix_aio" = "yes" ; then
   1219   output_sym "CONFIG_POSIXAIO"
   1220 fi
   1221 if test "$posix_aio_fsync" = "yes" ; then
   1222   output_sym "CONFIG_POSIXAIO_FSYNC"
   1223 fi
   1224 if test "$linux_fallocate" = "yes" ; then
   1225   output_sym "CONFIG_LINUX_FALLOCATE"
   1226 fi
   1227 if test "$posix_fallocate" = "yes" ; then
   1228   output_sym "CONFIG_POSIX_FALLOCATE"
   1229 fi
   1230 if test "$fdatasync" = "yes" ; then
   1231   output_sym "CONFIG_FDATASYNC"
   1232 fi
   1233 if test "$sync_file_range" = "yes" ; then
   1234   output_sym "CONFIG_SYNC_FILE_RANGE"
   1235 fi
   1236 if test "$sfaa" = "yes" ; then
   1237   output_sym "CONFIG_SFAA"
   1238 fi
   1239 if test "$libverbs" = "yes" -a "$rdmacm" = "yes" ; then
   1240   output_sym "CONFIG_RDMA"
   1241 fi
   1242 if test "$clock_gettime" = "yes" ; then
   1243   output_sym "CONFIG_CLOCK_GETTIME"
   1244 fi
   1245 if test "$clock_monotonic" = "yes" ; then
   1246   output_sym "CONFIG_CLOCK_MONOTONIC"
   1247 fi
   1248 if test "$clock_monotonic_precise" = "yes" ; then
   1249   output_sym "CONFIG_CLOCK_MONOTONIC_PRECISE"
   1250 fi
   1251 if test "$gettimeofday" = "yes" ; then
   1252   output_sym "CONFIG_GETTIMEOFDAY"
   1253 fi
   1254 if test "$posix_fadvise" = "yes" ; then
   1255   output_sym "CONFIG_POSIX_FADVISE"
   1256 fi
   1257 if test "$linux_3arg_affinity" = "yes" ; then
   1258   output_sym "CONFIG_3ARG_AFFINITY"
   1259 elif test "$linux_2arg_affinity" = "yes" ; then
   1260   output_sym "CONFIG_2ARG_AFFINITY"
   1261 fi
   1262 if test "$strsep" = "yes" ; then
   1263   output_sym "CONFIG_STRSEP"
   1264 fi
   1265 if test "$strcasestr" = "yes" ; then
   1266   output_sym "CONFIG_STRCASESTR"
   1267 fi
   1268 if test "$getopt_long_only" = "yes" ; then
   1269   output_sym "CONFIG_GETOPT_LONG_ONLY"
   1270 fi
   1271 if test "$inet_aton" = "yes" ; then
   1272   output_sym "CONFIG_INET_ATON"
   1273 fi
   1274 if test "$socklen_t" = "yes" ; then
   1275   output_sym "CONFIG_SOCKLEN_T"
   1276 fi
   1277 if test "$ext4_me" = "yes" ; then
   1278   output_sym "CONFIG_LINUX_EXT4_MOVE_EXTENT"
   1279 fi
   1280 if test "$linux_splice" = "yes" ; then
   1281   output_sym "CONFIG_LINUX_SPLICE"
   1282 fi
   1283 if test "$guasi" = "yes" ; then
   1284   output_sym "CONFIG_GUASI"
   1285 fi
   1286 if test "$fusion_aw" = "yes" ; then
   1287   output_sym "CONFIG_FUSION_AW"
   1288 fi
   1289 if test "$libnuma_v2" = "yes" ; then
   1290   output_sym "CONFIG_LIBNUMA"
   1291 fi
   1292 if test "$solaris_aio" = "yes" ; then
   1293   output_sym "CONFIG_SOLARISAIO"
   1294 fi
   1295 if test "$tls_thread" = "yes" ; then
   1296   output_sym "CONFIG_TLS_THREAD"
   1297 fi
   1298 if test "$rusage_thread" = "yes" ; then
   1299   output_sym "CONFIG_RUSAGE_THREAD"
   1300 fi
   1301 if test "$gfio" = "yes" ; then
   1302   echo "CONFIG_GFIO=y" >> $config_host_mak
   1303 fi
   1304 if test "$sched_idle" = "yes" ; then
   1305   output_sym "CONFIG_SCHED_IDLE"
   1306 fi
   1307 if test "$tcp_nodelay" = "yes" ; then
   1308   output_sym "CONFIG_TCP_NODELAY"
   1309 fi
   1310 if test "$rlimit_memlock" = "yes" ; then
   1311   output_sym "CONFIG_RLIMIT_MEMLOCK"
   1312 fi
   1313 if test "$pwritev" = "yes" ; then
   1314   output_sym "CONFIG_PWRITEV"
   1315 fi
   1316 if test "$ipv6" = "yes" ; then
   1317   output_sym "CONFIG_IPV6"
   1318 fi
   1319 if test "$rbd" = "yes" ; then
   1320   output_sym "CONFIG_RBD"
   1321 fi
   1322 if test "$setvbuf" = "yes" ; then
   1323   output_sym "CONFIG_SETVBUF"
   1324 fi
   1325 if test "$s390_z196_facilities" = "yes" ; then
   1326   output_sym "CONFIG_S390_Z196_FACILITIES"
   1327   CFLAGS="$CFLAGS -march=z9-109"
   1328 fi
   1329 
   1330 echo "LIBS+=$LIBS" >> $config_host_mak
   1331 echo "CFLAGS+=$CFLAGS" >> $config_host_mak
   1332 echo "CC=$cc" >> $config_host_mak
   1333 echo "BUILD_CFLAGS=$BUILD_CFLAGS $CFLAGS" >> $config_host_mak
   1334