configure - fp2-dev/platform/external/fio - Gitiles

 #!/bin/sh
 #
 # Fio configure script. Heavily influenced by the manual qemu configure
 # script. Sad this this is easier than autoconf and enemies.
 #

 # set temporary file name
 if test ! -z "$TMPDIR" ; then
     TMPDIR1="${TMPDIR}"
 elif test ! -z "$TEMPDIR" ; then
     TMPDIR1="${TEMPDIR}"
 else
     TMPDIR1="/tmp"
 fi

 TMPC="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.c"
 TMPO="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.o"
 TMPE="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.exe"

 # NB: do not call "exit" in the trap handler; this is buggy with some shells;
 # see <1285349658-3122-1-git-send-email-loic.minier@linaro.org>
 trap "rm -f $TMPC $TMPO $TMPE" EXIT INT QUIT TERM

 rm -rf config.log

 config_host_mak="config-host.mak"
 config_host_ld="config-host.ld"

 # Print a helpful header at the top of config.log
 echo "# FIO configure log $(date)" >> config.log
 printf "# Configured with:" >> config.log
 printf " '%s'" "$0" "$@" >> config.log
 echo >> config.log
 echo "#" >> config.log

 do_cc() {
     # Run the compiler, capturing its output to the log.
     echo $cc "$@" >> config.log
     $cc "$@" >> config.log 2>&1 || return $?
     # Test passed. If this is an --enable-werror build, rerun
     # the test with -Werror and bail out if it fails. This
     # makes warning-generating-errors in configure test code
     # obvious to developers.
     if test "$werror" != "yes"; then
         return 0
     fi
     # Don't bother rerunning the compile if we were already using -Werror
     case "$*" in
         *-Werror*)
            return 0
         ;;
     esac
     echo $cc -Werror "$@" >> config.log
     $cc -Werror "$@" >> config.log 2>&1 && return $?
     echo "ERROR: configure test passed without -Werror but failed with -Werror."
     echo "This is probably a bug in the configure script. The failing command"
     echo "will be at the bottom of config.log."
     echo "You can run configure with --disable-werror to bypass this check."
     exit 1
 }

 compile_object() {
   do_cc $CFLAGS -c -o $TMPO $TMPC
 }

 compile_prog() {
   local_cflags="$1"
   local_ldflags="$2"
   echo "Compiling test case $3" >> config.log
   do_cc $CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
 }

 feature_not_found() {
   feature=$1

   echo "ERROR"
   echo "ERROR: User requested feature $feature"
   echo "ERROR: configure was not able to find it"
   echo "ERROR"
   exit 1;
 }

 has() {
   type "$1" >/dev/null 2>&1
 }

 check_define() {
   cat > $TMPC <<EOF
 #if !defined($1)
 #error $1 not defined
 #endif
 int main(void)
 {
   return 0;
 }
 EOF
   compile_object
 }

 targetos=""
 cpu=""

 cc="${CC-${cross_prefix}gcc}"

 if check_define __linux__ ; then
   targetos="Linux"
 elif test `uname -o` = Cygwin ; then
   echo "Forcing known good options on Windows"
   echo "CC=x86_64-w64-mingw32-gcc" >> $config_host_mak
   echo "CONFIG_64BIT_LLP64=y"      >> $config_host_mak
   echo "CONFIG_CLOCK_GETTIME=y"    >> $config_host_mak
   echo "CONFIG_CLOCK_MONOTONIC=y"  >> $config_host_mak
   echo "CONFIG_GETTIMEOFDAY=y"     >> $config_host_mak
   echo "CONFIG_FADVISE=y"          >> $config_host_mak
   echo "CONFIG_STRSEP=y"           >> $config_host_mak
   echo "CONFIG_SOCKLEN_T=y"        >> $config_host_mak
   echo "CONFIG_POSIX_FALLOCATE=y"  >> $config_host_mak
   echo "CONFIG_FADVISE=y"          >> $config_host_mak
   echo "CONFIG_SFAA=y"             >> $config_host_mak
   exit 0
 elif check_define __OpenBSD__ ; then
   targetos='OpenBSD'
 elif check_define __sun__ ; then
   targetos='SunOS'
 else
   targetos=`uname -s`
 fi

 # Some host OSes need non-standard checks for which CPU to use.
 # Note that these checks are broken for cross-compilation: if you're
 # cross-compiling to one of these OSes then you'll need to specify
 # the correct CPU with the --cpu option.
 case $targetos in
 Darwin)
   # on Leopard most of the system is 32-bit, so we have to ask the kernel if
   # we can run 64-bit userspace code.
   # If the user didn't specify a CPU explicitly and the kernel says this is
   # 64 bit hw, then assume x86_64. Otherwise fall through to the usual
   # detection code.
   if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
     cpu="x86_64"
   fi
   ;;
 SunOS)
   # `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
   if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
     cpu="x86_64"
   fi
 esac

 if test ! -z "$cpu" ; then
   # command line argument
   :
 elif check_define __i386__ ; then
   cpu="i386"
 elif check_define __x86_64__ ; then
   cpu="x86_64"
 elif check_define __sparc__ ; then
   if check_define __arch64__ ; then
     cpu="sparc64"
   else
     cpu="sparc"
   fi
 elif check_define _ARCH_PPC ; then
   if check_define _ARCH_PPC64 ; then
     cpu="ppc64"
   else
     cpu="ppc"
   fi
 elif check_define __mips__ ; then
   cpu="mips"
 elif check_define __ia64__ ; then
   cpu="ia64"
 elif check_define __s390__ ; then
   if check_define __s390x__ ; then
     cpu="s390x"
   else
     cpu="s390"
   fi
 elif check_define __arm__ ; then
   cpu="arm"
 elif check_define __hppa__ ; then
   cpu="hppa"
 else
   cpu=`uname -m`
 fi

 # Normalise host CPU name and set ARCH.
 case "$cpu" in
   ia64|ppc|ppc64|s390|s390x|sparc64)
     cpu="$cpu"
   ;;
   i386|i486|i586|i686|i86pc|BePC)
     cpu="i386"
   ;;
   x86_64|amd64)
     cpu="x86_64"
   ;;
   armv*b|armv*l|arm)
     cpu="arm"
   ;;
   hppa|parisc|parisc64)
     cpu="hppa"
   ;;
   mips*)
     cpu="mips"
   ;;
   sparc|sun4[cdmuv])
     cpu="sparc"
   ;;
   *)
     echo "Unknown CPU"
     exit 1;
   ;;
 esac

 if test -z $CC; then
   if test "$targetos" = "FreeBSD"; then
     if has clang; then
       CC=clang
     else
       CC=gcc
     fi
   fi
 fi

 cc="${CC-${cross_prefix}gcc}"

 echo "Operating system              $targetos"
 echo "CPU                           $cpu"
 echo "Compiler                      $cc"
 echo

 ##########################################
 # check for wordsize
 wordsize="0"
 cat > $TMPC <<EOF
 #include <stdio.h>
 int main(void)
 {
   unsigned int wsize = sizeof(long) * 8;
   printf("%d\n", wsize);
   return 0;
 }
 EOF
 if compile_prog "" "" "wordsize"; then
   wordsize=$($TMPE)
 fi
 echo "Wordsize                      $wordsize"

 ##########################################
 # linux-aio probe
 libaio="no"
 cat > $TMPC <<EOF
 #include <libaio.h>
 #include <stddef.h>
 int main(void)
 {
   io_setup(0, NULL);
   return 0;
 }
 EOF
 if compile_prog "" "-laio" "libaio" ; then
   libaio=yes
   LIBS="-laio $LIBS"
 else
   if test "$libaio" = "yes" ; then
     feature_not_found "linux AIO"
   fi
   libaio=no
 fi
 echo "Linux AIO support             $libaio"

 ##########################################
 # posix aio probe
 posix_aio="no"
 posix_aio_lrt="no"
 cat > $TMPC <<EOF
 #include <aio.h>
 int main(void)
 {
   struct aiocb cb;
   aio_read(&cb);
   return 0;
 }
 EOF
 if compile_prog "" "" "posixaio" ; then
   posix_aio="yes"
 elif compile_prog "" "-lrt" "posixaio"; then
   posix_aio="yes"
   posix_aio_lrt="yes"
   LIBS="-lrt $LIBS"
 fi
 echo "POSIX AIO support             $posix_aio"
 echo "POSIX AIO support needs -lrt  $posix_aio_lrt"

 ##########################################
 # posix aio fsync probe
 posix_aio_fsync="no"
 if test "$posix_aio" = "yes" ; then
   cat > $TMPC <<EOF
 #include <fcntl.h>
 #include <aio.h>
 int main(void)
 {
   struct aiocb cb;
   return aio_fsync(O_SYNC, &cb);
   return 0;
 }
 EOF
   if compile_prog "" "$LIBS" "posix_aio_fsync" ; then
     posix_aio_fsync=yes
   fi
 fi
 echo "POSIX AIO fsync               $posix_aio_fsync"

 ##########################################
 # solaris aio probe
 solaris_aio="no"
 cat > $TMPC <<EOF
 #include <sys/types.h>
 #include <sys/asynch.h>
 #include <unistd.h>
 int main(void)
 {
   aio_result_t res;
   return aioread(0, NULL, 0, 0, SEEK_SET, &res);
   return 0;
 }
 EOF
 if compile_prog "" "-laio" "solarisaio" ; then
   solaris_aio=yes
   LIBS="-laio $LIBS"
 fi
 echo "Solaris AIO support           $solaris_aio"

 ##########################################
 # __sync_fetch_and_and test
 sfaa="no"
 cat > $TMPC << EOF
 static int sfaa(int *ptr)
 {
   return __sync_fetch_and_and(ptr, 0);
 }

 int main(int argc, char **argv)
 {
   int val = 42;
   sfaa(&val);
   return val;
 }
 EOF
 if compile_prog "" "" "__sync_fetch_and_add()" ; then
     sfaa="yes"
 fi
 echo "__sync_fetch_and add          $sfaa"

 ##########################################
 # libverbs probe
 libverbs="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <infiniband/arch.h>
 int main(int argc, char **argv)
 {
   struct ibv_pd *pd = ibv_alloc_pd(NULL);
   return 0;
 }
 EOF
 if compile_prog "" "-libverbs" "libverbs" ; then
     libverbs="yes"
     LIBS="-libverbs $LIBS"
 fi
 echo "libverbs                      $libverbs"

 ##########################################
 # rdmacm probe
 rdmacm="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <rdma/rdma_cma.h>
 int main(int argc, char **argv)
 {
   rdma_destroy_qp(NULL);
   return 0;
 }
 EOF
 if compile_prog "" "-lrdmacm" "rdma"; then
     rdmacm="yes"
     LIBS="-lrdmacm $LIBS"
 fi
 echo "rdmacm                        $rdmacm"

 ##########################################
 # Linux fallocate probe
 linux_fallocate="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <linux/falloc.h>
 int main(int argc, char **argv)
 {
   int r = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 1024);
   return r;
 }
 EOF
 if compile_prog "" "" "linux_fallocate"; then
     linux_fallocate="yes"
 fi
 echo "Linux fallocate               $linux_fallocate"

 ##########################################
 # POSIX fadvise probe
 posix_fadvise="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <fcntl.h>
 int main(int argc, char **argv)
 {
   int r = posix_fadvise(0, 0, 0, POSIX_FADV_NORMAL);
   return r;
 }
 EOF
 if compile_prog "" "" "posix_fadvise"; then
     posix_fadvise="yes"
 fi
 echo "POSIX fadvise                 $posix_fadvise"

 ##########################################
 # POSIX fallocate probe
 posix_fallocate="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <fcntl.h>
 int main(int argc, char **argv)
 {
   int r = posix_fallocate(0, 0, 1024);
   return r;
 }
 EOF
 if compile_prog "" "" "posix_fallocate"; then
     posix_fallocate="yes"
 fi
 echo "POSIX fallocate               $posix_fallocate"

 ##########################################
 # sched_set/getaffinity 2 or 3 argument test
 linux_2arg_affinity="no"
 linux_3arg_affinity="no"
 cat > $TMPC << EOF
 #define _GNU_SOURCE
 #include <sched.h>
 int main(int argc, char **argv)
 {
   cpu_set_t mask;
   return sched_setaffinity(0, sizeof(mask), &mask);
 }
 EOF
 if compile_prog "" "" "sched_setaffinity(,,)"; then
   linux_3arg_affinity="yes"
 else
   cat > $TMPC << EOF
 #define _GNU_SOURCE
 #include <sched.h>
 int main(int argc, char **argv)
 {
   cpu_set_t mask;
   return sched_setaffinity(0, &mask);
 }
 EOF
   if compile_prog "" "" "sched_setaffinity(,)"; then
     linux_2arg_affinity="yes"
   fi
 fi
 echo "sched_setaffinity(3 arg)      $linux_3arg_affinity"
 echo "sched_setaffinity(2 arg)      $linux_2arg_affinity"

 ##########################################
 # clock_gettime probe
 clock_gettime="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <time.h>
 int main(int argc, char **argv)
 {
   return clock_gettime(0, NULL);
 }
 EOF
 if compile_prog "" "" "clock_gettime"; then
     clock_gettime="yes"
 elif compile_prog "" "-lrt" "clock_gettime"; then
     clock_gettime="yes"
     LIBS="-lrt $LIBS"
 fi
 echo "clock_gettime                 $clock_gettime"

 ##########################################
 # CLOCK_MONOTONIC probe
 clock_monotonic="no"
 if test "$clock_gettime" = "yes" ; then
   cat > $TMPC << EOF
 #include <stdio.h>
 #include <time.h>
 int main(int argc, char **argv)
 {
   return clock_gettime(CLOCK_MONOTONIC, NULL);
 }
 EOF
   if compile_prog "" "$LIBS" "clock monotonic"; then
       clock_monotonic="yes"
   fi
 fi
 echo "CLOCK_MONOTONIC               $clock_monotonic"

 ##########################################
 # CLOCK_MONOTONIC_PRECISE probe
 clock_monotonic_precise="no"
 if test "$clock_gettime" = "yes" ; then
   cat > $TMPC << EOF
 #include <stdio.h>
 #include <time.h>
 int main(int argc, char **argv)
 {
   return clock_gettime(CLOCK_MONOTONIC_PRECISE, NULL);
 }
 EOF
   if compile_prog "" "$LIBS" "clock monotonic precise"; then
       clock_monotonic_precise="yes"
   fi
 fi
 echo "CLOCK_MONOTONIC_PRECISE       $clock_monotonic_precise"

 ##########################################
 # gettimeofday() probe
 gettimeofday="no"
 cat > $TMPC << EOF
 #include <sys/time.h>
 #include <stdio.h>
 int main(int argc, char **argv)
 {
   struct timeval tv;
   return gettimeofday(&tv, NULL);
 }
 EOF
 if compile_prog "" "" "gettimeofday"; then
     gettimeofday="yes"
 fi
 echo "gettimeofday                  $gettimeofday"

 ##########################################
 # fdatasync() probe
 fdatasync="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <unistd.h>
 int main(int argc, char **argv)
 {
   return fdatasync(0);
 }
 EOF
 if compile_prog "" "" "fdatasync"; then
   fdatasync="yes"
 fi
 echo "fdatasync                     $fdatasync"

 ##########################################
 # sync_file_range() probe
 sync_file_range="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 #include <unistd.h>
 #define _GNU_SOURCE
 #include <fcntl.h>
 #include <linux/fs.h>
 int main(int argc, char **argv)
 {
   unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE | SYNC_FILE_RANGE_WRITE |
 			SYNC_FILE_RANGE_WAIT_AFTER;
   return sync_file_range(0, 0, 0, flags);
 }
 EOF
 if compile_prog "" "" "sync_file_range"; then
   sync_file_range="yes"
 fi
 echo "sync_file_range               $sync_file_range"

 ##########################################
 # ext4 move extent probe
 ext4_me="no"
 cat > $TMPC << EOF
 #include <fcntl.h>
 #include <sys/ioctl.h>
 int main(int argc, char **argv)
 {
   struct move_extent me;
   return ioctl(0, EXT4_IOC_MOVE_EXT, &me);
 }
 EOF
 if compile_prog "" "" "ext4 move extent" ; then
   ext4_me="yes"
 elif test $targetos = "Linux" ; then
   # On Linux, just default to it on and let it error at runtime if we really
   # don't have it. None of my updated systems have it defined, but it does
   # work. Takes a while to bubble back.
   ext4_me="yes"
 fi
 echo "EXT4 move extent              $ext4_me"

 ##########################################
 # splice probe
 linux_splice="no"
 cat > $TMPC << EOF
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <fcntl.h>
 int main(int argc, char **argv)
 {
   return splice(0, NULL, 0, NULL, 0, SPLICE_F_NONBLOCK);
 }
 EOF
 if compile_prog "" "" "linux splice"; then
   linux_splice="yes"
 fi
 echo "Linux splice(2)               $linux_splice"

 ##########################################
 # GUASI probe
 guasi="no"
 cat > $TMPC << EOF
 #include <guasi.h>
 #include <guasi_syscalls.h>
 int main(int argc, char **argv)
 {
   guasi_t ctx = guasi_create(0, 0, 0);
   return 0;
 }
 EOF
 if compile_prog "" "" "guasi"; then
   guasi="yes"
 fi
 echo "GUASI                         $guasi"

 ##########################################
 # fusion-aw probe
 fusion_aw="no"
 cat > $TMPC << EOF
 #include <nvm/vectored_write.h>
 int main(int argc, char **argv)
 {
   struct vsl_iovec iov;
   return vsl_vectored_write(0, &iov, 0, O_ATOMIC);
 }
 EOF
 if compile_prog "" "-L/usr/lib/fio -lnvm-primitives" "fusion-aw"; then
   LIBS="-L/usr/lib/fio -lnvm-primitives $LIBS"
   fusion_aw="yes"
 fi
 echo "Fusion-io atomic engine       $fusion_aw"

 ##########################################
 # libnuma probe
 libnuma="no"
 cat > $TMPC << EOF
 #include <numa.h>
 int main(int argc, char **argv)
 {
   return numa_available();
 }
 EOF
 if compile_prog "" "-lnuma" "libnuma"; then
   libnuma="yes"
   LIBS="-lnuma $LIBS"
 fi
 echo "libnuma                       $libnuma"

 ##########################################
 # strsep() probe
 strsep="no"
 cat > $TMPC << EOF
 #include <string.h>
 int main(int argc, char **argv)
 {
   strsep(NULL, NULL);
   return 0;
 }
 EOF
 if compile_prog "" "" "strsep"; then
   strsep="yes"
 fi
 echo "strsep                        $strsep"

 ##########################################
 # getopt_long_only() probe
 getopt_long_only="no"
 cat > $TMPC << EOF
 #include <unistd.h>
 #include <stdio.h>
 int main(int argc, char **argv)
 {
   int c = getopt_long_only(argc, argv, NULL, NULL, NULL);
   return c;
 }
 EOF
 if compile_prog "" "" "getopt_long_only"; then
   getopt_long_only="yes"
 fi
 echo "getopt_long_only()            $getopt_long_only"

 ##########################################
 # inet_aton() probe
 inet_aton="no"
 cat > $TMPC << EOF
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include <stdio.h>
 int main(int argc, char **argv)
 {
   struct in_addr in;
   return inet_aton(NULL, &in);
 }
 EOF
 if compile_prog "" "" "inet_aton"; then
   inet_aton="yes"
 fi
 echo "inet_aton                     $inet_aton"

 ##########################################
 # socklen_t probe
 socklen_t="no"
 cat > $TMPC << EOF
 #include <string.h>
 #include <netinet/in.h>
 int main(int argc, char **argv)
 {
   socklen_t len = 0;
   return len;
 }
 EOF
 if compile_prog "" "" "socklen_t"; then
   socklen_t="yes"
 fi
 echo "socklen_t                     $socklen_t"

 ##########################################
 # Whether or not __thread is supported for TLS
 tls_thread="no"
 cat > $TMPC << EOF
 #include <stdio.h>
 static int __thread ret;
 int main(int argc, char **argv)
 {
   return ret;
 }
 EOF
 if compile_prog "" "" "__thread"; then
   tls_thread="yes"
 fi
 echo "__thread                      $tls_thread"

 #############################################################################

 echo "# Automatically generated by configure - do not modify" > $config_host_mak
 printf "# Configured with:" >> $config_host_mak
 printf " '%s'" "$0" "$@" >> $config_host_mak
 echo >> $config_host_mak

 if test "$wordsize" = "64" ; then
   echo "CONFIG_64BIT=y" >> $config_host_mak
 elif test "$wordsize" = "32" ; then
   echo "CONFIG_32BIT=y" >> $config_host_mak
 else
   echo "Unknown wordsize!"
   exit 1
 fi
 if test "$libaio" = "yes" ; then
   echo "CONFIG_LIBAIO=y" >> $config_host_mak
 fi
 if test "$posix_aio" = "yes" ; then
   echo "CONFIG_POSIXAIO=y" >> $config_host_mak
 fi
 if test "$posix_aio_fsync" = "yes" ; then
   echo "CONFIG_POSIXAIO_FSYNC=y" >> $config_host_mak
 fi
 if test "$linux_fallocate" = "yes" ; then
   echo "CONFIG_LINUX_FALLOCATE=y" >> $config_host_mak
 fi
 if test "$posix_fallocate" = "yes" ; then
   echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
 fi
 if test "$fdatasync" = "yes" ; then
   echo "CONFIG_FDATASYNC=y" >> $config_host_mak
 fi
 if test "$sync_file_range" = "yes" ; then
   echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
 fi
 if test "$sfaa" = "yes" ; then
   echo "CONFIG_SFAA=y" >> $config_host_mak
 fi
 if test "$libverbs" = "yes" -o "rdmacm" = "yes" ; then
   echo "CONFIG_RDMA=y" >> $config_host_mak
 fi
 if test "$clock_gettime" = "yes" ; then
   echo "CONFIG_CLOCK_GETTIME=y" >> $config_host_mak
 fi
 if test "$clock_monotonic" = "yes" ; then
   echo "CONFIG_CLOCK_MONOTONIC=y" >> $config_host_mak
 fi
 if test "$clock_monotonic_precise" = "yes" ; then
   echo "CONFIG_CLOCK_MONOTONIC_PRECISE=y" >> $config_host_mak
 fi
 if test "$gettimeofday" = "yes" ; then
   echo "CONFIG_GETTIMEOFDAY=y" >> $config_host_mak
 fi
 if test "$posix_fadvise" = "yes" ; then
   echo "CONFIG_POSIX_FADVISE=y" >> $config_host_mak
 fi
 if test "$linux_3arg_affinity" = "yes" ; then
   echo "CONFIG_3ARG_AFFINITY=y" >> $config_host_mak
 elif test "$linux_2arg_affinity" = "yes" ; then
   echo "CONFIG_2ARG_AFFINITY=y" >> $config_host_mak
 fi
 if test "$strsep" = "yes" ; then
   echo "CONFIG_STRSEP=y" >> $config_host_mak
 fi
 if test "$getopt_long_only" = "yes" ; then
   echo "CONFIG_GETOPT_LONG_ONLY=y" >> $config_host_mak
 fi
 if test "$inet_aton" = "yes" ; then
   echo "CONFIG_INET_ATON=y" >> $config_host_mak
 fi
 if test "$socklen_t" = "yes" ; then
   echo "CONFIG_SOCKLEN_T=y" >> $config_host_mak
 fi
 if test "$ext4_me" = "yes" ; then
   echo "CONFIG_LINUX_EXT4_MOVE_EXTENT=y" >> $config_host_mak
 fi
 if test "$linux_splice" = "yes" ; then
   echo "CONFIG_LINUX_SPLICE=y" >> $config_host_mak
 fi
 if test "$guasi" = "yes" ; then
   echo "CONFIG_GUASI=y" >> $config_host_mak
 fi
 if test "$fusion_aw" = "yes" ; then
   echo "CONFIG_FUSION_AW=y" >> $config_host_mak
 fi
 if test "$libnuma" = "yes" ; then
   echo "CONFIG_LIBNUMA=y" >> $config_host_mak
 fi
 if test "$solaris_aio" = "yes" ; then
   echo "CONFIG_SOLARISAIO=y" >> $config_host_mak
 fi
 if test "$tls_thread" = "yes" ; then
   echo "CONFIG_TLS_THREAD=y" >> $config_host_mak
 fi

 echo "LIBS+=$LIBS" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak
	#!/bin/sh
	#
	# Fio configure script. Heavily influenced by the manual qemu configure
	# script. Sad this this is easier than autoconf and enemies.
	#

	# set temporary file name
	if test ! -z "$TMPDIR" ; then
	TMPDIR1="${TMPDIR}"
	elif test ! -z "$TEMPDIR" ; then
	TMPDIR1="${TEMPDIR}"
	else
	TMPDIR1="/tmp"
	fi

	TMPC="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.c"
	TMPO="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.o"
	TMPE="${TMPDIR1}/fio-conf-${RANDOM}-$$-${RANDOM}.exe"

	# NB: do not call "exit" in the trap handler; this is buggy with some shells;
	# see <1285349658-3122-1-git-send-email-loic.minier@linaro.org>
	trap "rm -f $TMPC $TMPO $TMPE" EXIT INT QUIT TERM

	rm -rf config.log

	config_host_mak="config-host.mak"
	config_host_ld="config-host.ld"

	# Print a helpful header at the top of config.log
	echo "# FIO configure log $(date)" >> config.log
	printf "# Configured with:" >> config.log
	printf " '%s'" "$0" "$@" >> config.log
	echo >> config.log
	echo "#" >> config.log

	do_cc() {
	# Run the compiler, capturing its output to the log.
	echo $cc "$@" >> config.log
	$cc "$@" >> config.log 2>&1 \|\| return $?
	# Test passed. If this is an --enable-werror build, rerun
	# the test with -Werror and bail out if it fails. This
	# makes warning-generating-errors in configure test code
	# obvious to developers.
	if test "$werror" != "yes"; then
	return 0
	fi
	# Don't bother rerunning the compile if we were already using -Werror
	case "$*" in
	-Werror)
	return 0
	;;
	esac
	echo $cc -Werror "$@" >> config.log
	$cc -Werror "$@" >> config.log 2>&1 && return $?
	echo "ERROR: configure test passed without -Werror but failed with -Werror."
	echo "This is probably a bug in the configure script. The failing command"
	echo "will be at the bottom of config.log."
	echo "You can run configure with --disable-werror to bypass this check."
	exit 1
	}

	compile_object() {
	do_cc $CFLAGS -c -o $TMPO $TMPC
	}

	compile_prog() {
	local_cflags="$1"
	local_ldflags="$2"
	echo "Compiling test case $3" >> config.log
	do_cc $CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
	}

	feature_not_found() {
	feature=$1

	echo "ERROR"
	echo "ERROR: User requested feature $feature"
	echo "ERROR: configure was not able to find it"
	echo "ERROR"
	exit 1;
	}

	has() {
	type "$1" >/dev/null 2>&1
	}

	check_define() {
	cat > $TMPC <<EOF
	#if !defined($1)
	#error $1 not defined
	#endif
	int main(void)
	{
	return 0;
	}
	EOF
	compile_object
	}

	targetos=""
	cpu=""

	cc="${CC-${cross_prefix}gcc}"

	if check_define __linux__ ; then
	targetos="Linux"
	elif test `uname -o` = Cygwin ; then
	echo "Forcing known good options on Windows"
	echo "CC=x86_64-w64-mingw32-gcc" >> $config_host_mak
	echo "CONFIG_64BIT_LLP64=y" >> $config_host_mak
	echo "CONFIG_CLOCK_GETTIME=y" >> $config_host_mak
	echo "CONFIG_CLOCK_MONOTONIC=y" >> $config_host_mak
	echo "CONFIG_GETTIMEOFDAY=y" >> $config_host_mak
	echo "CONFIG_FADVISE=y" >> $config_host_mak
	echo "CONFIG_STRSEP=y" >> $config_host_mak
	echo "CONFIG_SOCKLEN_T=y" >> $config_host_mak
	echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
	echo "CONFIG_FADVISE=y" >> $config_host_mak
	echo "CONFIG_SFAA=y" >> $config_host_mak
	exit 0
	elif check_define __OpenBSD__ ; then
	targetos='OpenBSD'
	elif check_define __sun__ ; then
	targetos='SunOS'
	else
	targetos=`uname -s`
	fi

	# Some host OSes need non-standard checks for which CPU to use.
	# Note that these checks are broken for cross-compilation: if you're
	# cross-compiling to one of these OSes then you'll need to specify
	# the correct CPU with the --cpu option.
	case $targetos in
	Darwin)
	# on Leopard most of the system is 32-bit, so we have to ask the kernel if
	# we can run 64-bit userspace code.
	# If the user didn't specify a CPU explicitly and the kernel says this is
	# 64 bit hw, then assume x86_64. Otherwise fall through to the usual
	# detection code.
	if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
	cpu="x86_64"
	fi
	;;
	SunOS)
	# `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
	if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
	cpu="x86_64"
	fi
	esac

	if test ! -z "$cpu" ; then
	# command line argument
	:
	elif check_define __i386__ ; then
	cpu="i386"
	elif check_define __x86_64__ ; then
	cpu="x86_64"
	elif check_define __sparc__ ; then
	if check_define __arch64__ ; then
	cpu="sparc64"
	else
	cpu="sparc"
	fi
	elif check_define _ARCH_PPC ; then
	if check_define _ARCH_PPC64 ; then
	cpu="ppc64"
	else
	cpu="ppc"
	fi
	elif check_define __mips__ ; then
	cpu="mips"
	elif check_define __ia64__ ; then
	cpu="ia64"
	elif check_define __s390__ ; then
	if check_define __s390x__ ; then
	cpu="s390x"
	else
	cpu="s390"
	fi
	elif check_define __arm__ ; then
	cpu="arm"
	elif check_define __hppa__ ; then
	cpu="hppa"
	else
	cpu=`uname -m`
	fi

	# Normalise host CPU name and set ARCH.
	case "$cpu" in
	ia64\|ppc\|ppc64\|s390\|s390x\|sparc64)
	cpu="$cpu"
	;;
	i386\|i486\|i586\|i686\|i86pc\|BePC)
	cpu="i386"
	;;
	x86_64\|amd64)
	cpu="x86_64"
	;;
	armvb\|armvl\|arm)
	cpu="arm"
	;;
	hppa\|parisc\|parisc64)
	cpu="hppa"
	;;
	mips*)
	cpu="mips"
	;;
	sparc\|sun4[cdmuv])
	cpu="sparc"
	;;
	*)
	echo "Unknown CPU"
	exit 1;
	;;
	esac

	if test -z $CC; then
	if test "$targetos" = "FreeBSD"; then
	if has clang; then
	CC=clang
	else
	CC=gcc
	fi
	fi
	fi

	cc="${CC-${cross_prefix}gcc}"

	echo "Operating system $targetos"
	echo "CPU $cpu"
	echo "Compiler $cc"
	echo

	##########################################
	# check for wordsize
	wordsize="0"
	cat > $TMPC <<EOF
	#include <stdio.h>
	int main(void)
	{
	unsigned int wsize = sizeof(long) * 8;
	printf("%d\n", wsize);
	return 0;
	}
	EOF
	if compile_prog "" "" "wordsize"; then
	wordsize=$($TMPE)
	fi
	echo "Wordsize $wordsize"

	##########################################
	# linux-aio probe
	libaio="no"
	cat > $TMPC <<EOF
	#include <libaio.h>
	#include <stddef.h>
	int main(void)
	{
	io_setup(0, NULL);
	return 0;
	}
	EOF
	if compile_prog "" "-laio" "libaio" ; then
	libaio=yes
	LIBS="-laio $LIBS"
	else
	if test "$libaio" = "yes" ; then
	feature_not_found "linux AIO"
	fi
	libaio=no
	fi
	echo "Linux AIO support $libaio"

	##########################################
	# posix aio probe
	posix_aio="no"
	posix_aio_lrt="no"
	cat > $TMPC <<EOF
	#include <aio.h>
	int main(void)
	{
	struct aiocb cb;
	aio_read(&cb);
	return 0;
	}
	EOF
	if compile_prog "" "" "posixaio" ; then
	posix_aio="yes"
	elif compile_prog "" "-lrt" "posixaio"; then
	posix_aio="yes"
	posix_aio_lrt="yes"
	LIBS="-lrt $LIBS"
	fi
	echo "POSIX AIO support $posix_aio"
	echo "POSIX AIO support needs -lrt $posix_aio_lrt"

	##########################################
	# posix aio fsync probe
	posix_aio_fsync="no"
	if test "$posix_aio" = "yes" ; then
	cat > $TMPC <<EOF
	#include <fcntl.h>
	#include <aio.h>
	int main(void)
	{
	struct aiocb cb;
	return aio_fsync(O_SYNC, &cb);
	return 0;
	}
	EOF
	if compile_prog "" "$LIBS" "posix_aio_fsync" ; then
	posix_aio_fsync=yes
	fi
	fi
	echo "POSIX AIO fsync $posix_aio_fsync"

	##########################################
	# solaris aio probe
	solaris_aio="no"
	cat > $TMPC <<EOF
	#include <sys/types.h>
	#include <sys/asynch.h>
	#include <unistd.h>
	int main(void)
	{
	aio_result_t res;
	return aioread(0, NULL, 0, 0, SEEK_SET, &res);
	return 0;
	}
	EOF
	if compile_prog "" "-laio" "solarisaio" ; then
	solaris_aio=yes
	LIBS="-laio $LIBS"
	fi
	echo "Solaris AIO support $solaris_aio"

	##########################################
	# __sync_fetch_and_and test
	sfaa="no"
	cat > $TMPC << EOF
	static int sfaa(int *ptr)
	{
	return __sync_fetch_and_and(ptr, 0);
	}

	int main(int argc, char **argv)
	{
	int val = 42;
	sfaa(&val);
	return val;
	}
	EOF
	if compile_prog "" "" "__sync_fetch_and_add()" ; then
	sfaa="yes"
	fi
	echo "__sync_fetch_and add $sfaa"

	##########################################
	# libverbs probe
	libverbs="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <infiniband/arch.h>
	int main(int argc, char **argv)
	{
	struct ibv_pd *pd = ibv_alloc_pd(NULL);
	return 0;
	}
	EOF
	if compile_prog "" "-libverbs" "libverbs" ; then
	libverbs="yes"
	LIBS="-libverbs $LIBS"
	fi
	echo "libverbs $libverbs"

	##########################################
	# rdmacm probe
	rdmacm="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <rdma/rdma_cma.h>
	int main(int argc, char **argv)
	{
	rdma_destroy_qp(NULL);
	return 0;
	}
	EOF
	if compile_prog "" "-lrdmacm" "rdma"; then
	rdmacm="yes"
	LIBS="-lrdmacm $LIBS"
	fi
	echo "rdmacm $rdmacm"

	##########################################
	# Linux fallocate probe
	linux_fallocate="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <linux/falloc.h>
	int main(int argc, char **argv)
	{
	int r = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 1024);
	return r;
	}
	EOF
	if compile_prog "" "" "linux_fallocate"; then
	linux_fallocate="yes"
	fi
	echo "Linux fallocate $linux_fallocate"

	##########################################
	# POSIX fadvise probe
	posix_fadvise="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <fcntl.h>
	int main(int argc, char **argv)
	{
	int r = posix_fadvise(0, 0, 0, POSIX_FADV_NORMAL);
	return r;
	}
	EOF
	if compile_prog "" "" "posix_fadvise"; then
	posix_fadvise="yes"
	fi
	echo "POSIX fadvise $posix_fadvise"

	##########################################
	# POSIX fallocate probe
	posix_fallocate="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <fcntl.h>
	int main(int argc, char **argv)
	{
	int r = posix_fallocate(0, 0, 1024);
	return r;
	}
	EOF
	if compile_prog "" "" "posix_fallocate"; then
	posix_fallocate="yes"
	fi
	echo "POSIX fallocate $posix_fallocate"

	##########################################
	# sched_set/getaffinity 2 or 3 argument test
	linux_2arg_affinity="no"
	linux_3arg_affinity="no"
	cat > $TMPC << EOF
	#define _GNU_SOURCE
	#include <sched.h>
	int main(int argc, char **argv)
	{
	cpu_set_t mask;
	return sched_setaffinity(0, sizeof(mask), &mask);
	}
	EOF
	if compile_prog "" "" "sched_setaffinity(,,)"; then
	linux_3arg_affinity="yes"
	else
	cat > $TMPC << EOF
	#define _GNU_SOURCE
	#include <sched.h>
	int main(int argc, char **argv)
	{
	cpu_set_t mask;
	return sched_setaffinity(0, &mask);
	}
	EOF
	if compile_prog "" "" "sched_setaffinity(,)"; then
	linux_2arg_affinity="yes"
	fi
	fi
	echo "sched_setaffinity(3 arg) $linux_3arg_affinity"
	echo "sched_setaffinity(2 arg) $linux_2arg_affinity"

	##########################################
	# clock_gettime probe
	clock_gettime="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <time.h>
	int main(int argc, char **argv)
	{
	return clock_gettime(0, NULL);
	}
	EOF
	if compile_prog "" "" "clock_gettime"; then
	clock_gettime="yes"
	elif compile_prog "" "-lrt" "clock_gettime"; then
	clock_gettime="yes"
	LIBS="-lrt $LIBS"
	fi
	echo "clock_gettime $clock_gettime"

	##########################################
	# CLOCK_MONOTONIC probe
	clock_monotonic="no"
	if test "$clock_gettime" = "yes" ; then
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <time.h>
	int main(int argc, char **argv)
	{
	return clock_gettime(CLOCK_MONOTONIC, NULL);
	}
	EOF
	if compile_prog "" "$LIBS" "clock monotonic"; then
	clock_monotonic="yes"
	fi
	fi
	echo "CLOCK_MONOTONIC $clock_monotonic"

	##########################################
	# CLOCK_MONOTONIC_PRECISE probe
	clock_monotonic_precise="no"
	if test "$clock_gettime" = "yes" ; then
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <time.h>
	int main(int argc, char **argv)
	{
	return clock_gettime(CLOCK_MONOTONIC_PRECISE, NULL);
	}
	EOF
	if compile_prog "" "$LIBS" "clock monotonic precise"; then
	clock_monotonic_precise="yes"
	fi
	fi
	echo "CLOCK_MONOTONIC_PRECISE $clock_monotonic_precise"

	##########################################
	# gettimeofday() probe
	gettimeofday="no"
	cat > $TMPC << EOF
	#include <sys/time.h>
	#include <stdio.h>
	int main(int argc, char **argv)
	{
	struct timeval tv;
	return gettimeofday(&tv, NULL);
	}
	EOF
	if compile_prog "" "" "gettimeofday"; then
	gettimeofday="yes"
	fi
	echo "gettimeofday $gettimeofday"

	##########################################
	# fdatasync() probe
	fdatasync="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <unistd.h>
	int main(int argc, char **argv)
	{
	return fdatasync(0);
	}
	EOF
	if compile_prog "" "" "fdatasync"; then
	fdatasync="yes"
	fi
	echo "fdatasync $fdatasync"

	##########################################
	# sync_file_range() probe
	sync_file_range="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	#include <unistd.h>
	#define _GNU_SOURCE
	#include <fcntl.h>
	#include <linux/fs.h>
	int main(int argc, char **argv)
	{
	unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE \| SYNC_FILE_RANGE_WRITE \|
	SYNC_FILE_RANGE_WAIT_AFTER;
	return sync_file_range(0, 0, 0, flags);
	}
	EOF
	if compile_prog "" "" "sync_file_range"; then
	sync_file_range="yes"
	fi
	echo "sync_file_range $sync_file_range"

	##########################################
	# ext4 move extent probe
	ext4_me="no"
	cat > $TMPC << EOF
	#include <fcntl.h>
	#include <sys/ioctl.h>
	int main(int argc, char **argv)
	{
	struct move_extent me;
	return ioctl(0, EXT4_IOC_MOVE_EXT, &me);
	}
	EOF
	if compile_prog "" "" "ext4 move extent" ; then
	ext4_me="yes"
	elif test $targetos = "Linux" ; then
	# On Linux, just default to it on and let it error at runtime if we really
	# don't have it. None of my updated systems have it defined, but it does
	# work. Takes a while to bubble back.
	ext4_me="yes"
	fi
	echo "EXT4 move extent $ext4_me"

	##########################################
	# splice probe
	linux_splice="no"
	cat > $TMPC << EOF
	#define _GNU_SOURCE
	#include <stdio.h>
	#include <fcntl.h>
	int main(int argc, char **argv)
	{
	return splice(0, NULL, 0, NULL, 0, SPLICE_F_NONBLOCK);
	}
	EOF
	if compile_prog "" "" "linux splice"; then
	linux_splice="yes"
	fi
	echo "Linux splice(2) $linux_splice"

	##########################################
	# GUASI probe
	guasi="no"
	cat > $TMPC << EOF
	#include <guasi.h>
	#include <guasi_syscalls.h>
	int main(int argc, char **argv)
	{
	guasi_t ctx = guasi_create(0, 0, 0);
	return 0;
	}
	EOF
	if compile_prog "" "" "guasi"; then
	guasi="yes"
	fi
	echo "GUASI $guasi"

	##########################################
	# fusion-aw probe
	fusion_aw="no"
	cat > $TMPC << EOF
	#include <nvm/vectored_write.h>
	int main(int argc, char **argv)
	{
	struct vsl_iovec iov;
	return vsl_vectored_write(0, &iov, 0, O_ATOMIC);
	}
	EOF
	if compile_prog "" "-L/usr/lib/fio -lnvm-primitives" "fusion-aw"; then
	LIBS="-L/usr/lib/fio -lnvm-primitives $LIBS"
	fusion_aw="yes"
	fi
	echo "Fusion-io atomic engine $fusion_aw"

	##########################################
	# libnuma probe
	libnuma="no"
	cat > $TMPC << EOF
	#include <numa.h>
	int main(int argc, char **argv)
	{
	return numa_available();
	}
	EOF
	if compile_prog "" "-lnuma" "libnuma"; then
	libnuma="yes"
	LIBS="-lnuma $LIBS"
	fi
	echo "libnuma $libnuma"

	##########################################
	# strsep() probe
	strsep="no"
	cat > $TMPC << EOF
	#include <string.h>
	int main(int argc, char **argv)
	{
	strsep(NULL, NULL);
	return 0;
	}
	EOF
	if compile_prog "" "" "strsep"; then
	strsep="yes"
	fi
	echo "strsep $strsep"

	##########################################
	# getopt_long_only() probe
	getopt_long_only="no"
	cat > $TMPC << EOF
	#include <unistd.h>
	#include <stdio.h>
	int main(int argc, char **argv)
	{
	int c = getopt_long_only(argc, argv, NULL, NULL, NULL);
	return c;
	}
	EOF
	if compile_prog "" "" "getopt_long_only"; then
	getopt_long_only="yes"
	fi
	echo "getopt_long_only() $getopt_long_only"

	##########################################
	# inet_aton() probe
	inet_aton="no"
	cat > $TMPC << EOF
	#include <sys/socket.h>
	#include <arpa/inet.h>
	#include <stdio.h>
	int main(int argc, char **argv)
	{
	struct in_addr in;
	return inet_aton(NULL, &in);
	}
	EOF
	if compile_prog "" "" "inet_aton"; then
	inet_aton="yes"
	fi
	echo "inet_aton $inet_aton"

	##########################################
	# socklen_t probe
	socklen_t="no"
	cat > $TMPC << EOF
	#include <string.h>
	#include <netinet/in.h>
	int main(int argc, char **argv)
	{
	socklen_t len = 0;
	return len;
	}
	EOF
	if compile_prog "" "" "socklen_t"; then
	socklen_t="yes"
	fi
	echo "socklen_t $socklen_t"

	##########################################
	# Whether or not __thread is supported for TLS
	tls_thread="no"
	cat > $TMPC << EOF
	#include <stdio.h>
	static int __thread ret;
	int main(int argc, char **argv)
	{
	return ret;
	}
	EOF
	if compile_prog "" "" "__thread"; then
	tls_thread="yes"
	fi
	echo "__thread $tls_thread"

	#############################################################################

	echo "# Automatically generated by configure - do not modify" > $config_host_mak
	printf "# Configured with:" >> $config_host_mak
	printf " '%s'" "$0" "$@" >> $config_host_mak
	echo >> $config_host_mak

	if test "$wordsize" = "64" ; then
	echo "CONFIG_64BIT=y" >> $config_host_mak
	elif test "$wordsize" = "32" ; then
	echo "CONFIG_32BIT=y" >> $config_host_mak
	else
	echo "Unknown wordsize!"
	exit 1
	fi
	if test "$libaio" = "yes" ; then
	echo "CONFIG_LIBAIO=y" >> $config_host_mak
	fi
	if test "$posix_aio" = "yes" ; then
	echo "CONFIG_POSIXAIO=y" >> $config_host_mak
	fi
	if test "$posix_aio_fsync" = "yes" ; then
	echo "CONFIG_POSIXAIO_FSYNC=y" >> $config_host_mak
	fi
	if test "$linux_fallocate" = "yes" ; then
	echo "CONFIG_LINUX_FALLOCATE=y" >> $config_host_mak
	fi
	if test "$posix_fallocate" = "yes" ; then
	echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
	fi
	if test "$fdatasync" = "yes" ; then
	echo "CONFIG_FDATASYNC=y" >> $config_host_mak
	fi
	if test "$sync_file_range" = "yes" ; then
	echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
	fi
	if test "$sfaa" = "yes" ; then
	echo "CONFIG_SFAA=y" >> $config_host_mak
	fi
	if test "$libverbs" = "yes" -o "rdmacm" = "yes" ; then
	echo "CONFIG_RDMA=y" >> $config_host_mak
	fi
	if test "$clock_gettime" = "yes" ; then
	echo "CONFIG_CLOCK_GETTIME=y" >> $config_host_mak
	fi
	if test "$clock_monotonic" = "yes" ; then
	echo "CONFIG_CLOCK_MONOTONIC=y" >> $config_host_mak
	fi
	if test "$clock_monotonic_precise" = "yes" ; then
	echo "CONFIG_CLOCK_MONOTONIC_PRECISE=y" >> $config_host_mak
	fi
	if test "$gettimeofday" = "yes" ; then
	echo "CONFIG_GETTIMEOFDAY=y" >> $config_host_mak
	fi
	if test "$posix_fadvise" = "yes" ; then
	echo "CONFIG_POSIX_FADVISE=y" >> $config_host_mak
	fi
	if test "$linux_3arg_affinity" = "yes" ; then
	echo "CONFIG_3ARG_AFFINITY=y" >> $config_host_mak
	elif test "$linux_2arg_affinity" = "yes" ; then
	echo "CONFIG_2ARG_AFFINITY=y" >> $config_host_mak
	fi
	if test "$strsep" = "yes" ; then
	echo "CONFIG_STRSEP=y" >> $config_host_mak
	fi
	if test "$getopt_long_only" = "yes" ; then
	echo "CONFIG_GETOPT_LONG_ONLY=y" >> $config_host_mak
	fi
	if test "$inet_aton" = "yes" ; then
	echo "CONFIG_INET_ATON=y" >> $config_host_mak
	fi
	if test "$socklen_t" = "yes" ; then
	echo "CONFIG_SOCKLEN_T=y" >> $config_host_mak
	fi
	if test "$ext4_me" = "yes" ; then
	echo "CONFIG_LINUX_EXT4_MOVE_EXTENT=y" >> $config_host_mak
	fi
	if test "$linux_splice" = "yes" ; then
	echo "CONFIG_LINUX_SPLICE=y" >> $config_host_mak
	fi
	if test "$guasi" = "yes" ; then
	echo "CONFIG_GUASI=y" >> $config_host_mak
	fi
	if test "$fusion_aw" = "yes" ; then
	echo "CONFIG_FUSION_AW=y" >> $config_host_mak
	fi
	if test "$libnuma" = "yes" ; then
	echo "CONFIG_LIBNUMA=y" >> $config_host_mak
	fi
	if test "$solaris_aio" = "yes" ; then
	echo "CONFIG_SOLARISAIO=y" >> $config_host_mak
	fi
	if test "$tls_thread" = "yes" ; then
	echo "CONFIG_TLS_THREAD=y" >> $config_host_mak
	fi

	echo "LIBS+=$LIBS" >> $config_host_mak
	echo "CC=$cc" >> $config_host_mak