+print_config "RLIMIT_MEMLOCK" "$rlimit_memlock"
+
+##########################################
+# Check whether we have pwritev/preadv
+if test "$pwritev" != "yes" ; then
+ pwritev="no"
+fi
+cat > $TMPC << EOF
+#include <stdio.h>
+#include <sys/uio.h>
+int main(int argc, char **argv)
+{
+ return pwritev(0, NULL, 1, 0) + preadv(0, NULL, 1, 0);
+}
+EOF
+if compile_prog "" "" "pwritev"; then
+ pwritev="yes"
+fi
+print_config "pwritev/preadv" "$pwritev"
+
+##########################################
+# Check whether we have pwritev2/preadv2
+if test "$pwritev2" != "yes" ; then
+ pwritev2="no"
+fi
+cat > $TMPC << EOF
+#include <stdio.h>
+#include <sys/uio.h>
+int main(int argc, char **argv)
+{
+ return pwritev2(0, NULL, 1, 0, 0) + preadv2(0, NULL, 1, 0, 0);
+}
+EOF
+if compile_prog "" "" "pwritev2"; then
+ pwritev2="yes"
+fi
+print_config "pwritev2/preadv2" "$pwritev2"
+
+##########################################
+# Check whether we have the required functions for ipv6
+if test "$ipv6" != "yes" ; then
+ ipv6="no"
+fi
+cat > $TMPC << EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <stdio.h>
+int main(int argc, char **argv)
+{
+ struct addrinfo hints;
+ struct in6_addr addr;
+ int ret;
+
+ ret = getaddrinfo(NULL, NULL, &hints, NULL);
+ freeaddrinfo(NULL);
+ printf("%s\n", gai_strerror(ret));
+ addr = in6addr_any;
+ return 0;
+}
+EOF
+if compile_prog "" "" "ipv6"; then
+ ipv6="yes"
+fi
+print_config "IPv6 helpers" "$ipv6"
+
+##########################################
+# check for rbd
+if test "$rbd" != "yes" ; then
+ rbd="no"
+fi
+cat > $TMPC << EOF
+#include <rbd/librbd.h>
+
+int main(int argc, char **argv)
+{
+ rados_t cluster;
+ rados_ioctx_t io_ctx;
+ const char cluster_name[] = "ceph";
+ const char user_name[] = "client.admin";
+ const char pool[] = "rbd";
+ int major, minor, extra;
+
+ rbd_version(&major, &minor, &extra);
+ /* The rados_create2 signature required was only introduced in ceph 0.65 */
+ rados_create2(&cluster, cluster_name, user_name, 0);
+ rados_ioctx_create(cluster, pool, &io_ctx);
+
+ return 0;
+}
+EOF
+if test "$disable_rbd" != "yes" && compile_prog "" "-lrbd -lrados" "rbd"; then
+ LIBS="-lrbd -lrados $LIBS"
+ rbd="yes"
+fi
+print_config "Rados Block Device engine" "$rbd"
+
+##########################################
+# check for rbd_poll
+if test "$rbd_poll" != "yes" ; then
+ rbd_poll="no"
+fi
+if test "$rbd" = "yes"; then
+cat > $TMPC << EOF
+#include <rbd/librbd.h>
+#include <sys/eventfd.h>
+
+int main(int argc, char **argv)
+{
+ rbd_image_t image;
+ rbd_completion_t comp;
+
+ int fd = eventfd(0, EFD_NONBLOCK);
+ rbd_set_image_notification(image, fd, EVENT_TYPE_EVENTFD);
+ rbd_poll_io_events(image, comp, 1);
+
+ return 0;
+}
+EOF
+if compile_prog "" "-lrbd -lrados" "rbd"; then
+ rbd_poll="yes"
+fi
+print_config "rbd_poll" "$rbd_poll"
+fi
+
+##########################################
+# check for rbd_invaidate_cache()
+if test "$rbd_inval" != "yes" ; then
+ rbd_inval="no"
+fi
+if test "$rbd" = "yes"; then
+cat > $TMPC << EOF
+#include <rbd/librbd.h>
+
+int main(int argc, char **argv)
+{
+ rbd_image_t image;
+
+ return rbd_invalidate_cache(image);
+}
+EOF
+if compile_prog "" "-lrbd -lrados" "rbd"; then
+ rbd_inval="yes"
+fi
+print_config "rbd_invalidate_cache" "$rbd_inval"
+fi
+
+##########################################
+# check for blkin
+if test "$rbd_blkin" != "yes" ; then
+ rbd_blkin="no"
+fi
+cat > $TMPC << EOF
+#include <rbd/librbd.h>
+#include <zipkin_c.h>
+
+int main(int argc, char **argv)
+{
+ int r;
+ struct blkin_trace_info t_info;
+ blkin_init_trace_info(&t_info);
+ rbd_completion_t completion;
+ rbd_image_t image;
+ uint64_t off;
+ size_t len;
+ const char *buf;
+ r = rbd_aio_write_traced(image, off, len, buf, completion, &t_info);
+ return 0;
+}
+EOF
+if test "$disable_rbd" != "yes" && test "$disable_rbd_blkin" != "yes" \
+ && compile_prog "" "-lrbd -lrados -lblkin" "rbd_blkin"; then
+ LIBS="-lblkin $LIBS"
+ rbd_blkin="yes"
+fi
+print_config "rbd blkin tracing" "$rbd_blkin"
+
+##########################################
+# Check whether we have setvbuf
+if test "$setvbuf" != "yes" ; then
+ setvbuf="no"
+fi
+cat > $TMPC << EOF
+#include <stdio.h>
+int main(int argc, char **argv)
+{
+ FILE *f = NULL;
+ char buf[80];
+ setvbuf(f, buf, _IOFBF, sizeof(buf));
+ return 0;
+}
+EOF
+if compile_prog "" "" "setvbuf"; then
+ setvbuf="yes"
+fi
+print_config "setvbuf" "$setvbuf"
+
+##########################################
+# check for gfapi
+if test "$gfapi" != "yes" ; then
+ gfapi="no"
+fi
+cat > $TMPC << EOF
+#include <glusterfs/api/glfs.h>
+
+int main(int argc, char **argv)
+{
+ glfs_t *g = glfs_new("foo");
+
+ return 0;
+}
+EOF
+if test "$disable_gfapi" != "yes" && compile_prog "" "-lgfapi -lglusterfs" "gfapi"; then
+ LIBS="-lgfapi -lglusterfs $LIBS"
+ gfapi="yes"
+fi
+print_config "Gluster API engine" "$gfapi"
+
+##########################################
+# check for gfapi fadvise support, initialize with "no" only if $gfapi is set to "yes"
+if test "$gfapi" = "yes" ; then
+gf_fadvise="no"
+cat > $TMPC << EOF
+#include <glusterfs/api/glfs.h>
+
+int main(int argc, char **argv)
+{
+ struct glfs_fd *fd;
+ int ret = glfs_fadvise(fd, 0, 0, 1);
+
+ return 0;
+}
+EOF
+if compile_prog "" "-lgfapi -lglusterfs" "gfapi"; then
+ gf_fadvise="yes"
+fi
+print_config "Gluster API use fadvise" "$gf_fadvise"
+fi
+
+##########################################
+# check for gfapi trim support
+if test "$gf_trim" != "yes" ; then
+ gf_trim="no"
+fi
+if test "$gfapi" = "yes" ; then
+cat > $TMPC << EOF
+#include <glusterfs/api/glfs.h>
+
+int main(int argc, char **argv)
+{
+ return glfs_discard_async(NULL, 0, 0);
+}
+EOF
+if compile_prog "" "-lgfapi -lglusterfs" "gf trim"; then
+ gf_trim="yes"
+fi
+print_config "Gluster API trim support" "$gf_trim"
+fi
+
+##########################################
+# Check if we support stckf on s390
+if test "$s390_z196_facilities" != "yes" ; then
+ s390_z196_facilities="no"
+fi
+cat > $TMPC << EOF
+#define STFLE_BITS_Z196 45 /* various z196 facilities ... */
+int main(int argc, char **argv)
+{
+ /* We want just 1 double word to be returned. */
+ register unsigned long reg0 asm("0") = 0;
+ unsigned long stfle_bits;
+ asm volatile(".machine push" "\n\t"
+ ".machine \"z9-109\"" "\n\t"
+ "stfle %0" "\n\t"
+ ".machine pop" "\n"
+ : "=QS" (stfle_bits), "+d" (reg0)
+ : : "cc");
+
+ if ((stfle_bits & (1UL << (63 - STFLE_BITS_Z196))) != 0)
+ return 0;
+ else
+ return -1;
+}
+EOF
+if compile_prog "" "" "s390_z196_facilities"; then
+ $TMPE
+ if [ $? -eq 0 ]; then
+ s390_z196_facilities="yes"
+ fi
+fi
+print_config "s390_z196_facilities" "$s390_z196_facilities"
+
+##########################################
+# Check if we have required environment variables configured for libhdfs
+if test "$libhdfs" = "yes" ; then
+ hdfs_conf_error=0
+ if test "$JAVA_HOME" = "" ; then
+ echo "configure: JAVA_HOME should be defined to jdk/jvm path"
+ hdfs_conf_error=1
+ fi
+ if test "$FIO_LIBHDFS_INCLUDE" = "" ; then
+ echo "configure: FIO_LIBHDFS_INCLUDE should be defined to libhdfs inlude path"
+ hdfs_conf_error=1
+ fi
+ if test "$FIO_LIBHDFS_LIB" = "" ; then
+ echo "configure: FIO_LIBHDFS_LIB should be defined to libhdfs library path"
+ hdfs_conf_error=1
+ fi
+ if test "$hdfs_conf_error" = "1" ; then
+ exit 1
+ fi
+ FIO_HDFS_CPU=$cpu
+ if test "$FIO_HDFS_CPU" = "x86_64" ; then
+ FIO_HDFS_CPU="amd64"
+ fi
+fi
+print_config "HDFS engine" "$libhdfs"
+
+##########################################
+# Check whether we have MTD
+if test "$mtd" != "yes" ; then
+ mtd="no"
+fi
+cat > $TMPC << EOF
+#include <string.h>
+#include <mtd/mtd-user.h>
+#include <sys/ioctl.h>
+int main(int argc, char **argv)
+{
+ struct mtd_write_req ops;
+ struct mtd_info_user info;
+ memset(&ops, 0, sizeof(ops));
+ info.type = MTD_MLCNANDFLASH;
+ return ioctl(0, MEMGETINFO, &info);
+}
+EOF
+if compile_prog "" "" "mtd"; then
+ mtd="yes"
+fi
+print_config "MTD" "$mtd"
+
+##########################################
+# Check whether we have libpmem
+if test "$libpmem" != "yes" ; then
+ libpmem="no"
+fi
+cat > $TMPC << EOF
+#include <libpmem.h>
+int main(int argc, char **argv)
+{
+ int rc;
+ rc = pmem_is_pmem(0, 0);
+ return 0;
+}
+EOF
+if compile_prog "" "-lpmem" "libpmem"; then
+ libpmem="yes"
+ LIBS="-lpmem $LIBS"
+fi
+print_config "libpmem" "$libpmem"
+
+##########################################
+# Check whether we have libpmemblk
+# libpmem is a prerequisite
+if test "$libpmemblk" != "yes" ; then
+ libpmemblk="no"
+fi
+if test "$libpmem" = "yes"; then
+ cat > $TMPC << EOF
+#include <libpmemblk.h>
+int main(int argc, char **argv)
+{
+ PMEMblkpool *pbp;
+ pbp = pmemblk_open("", 0);
+ return 0;
+}
+EOF
+ if compile_prog "" "-lpmemblk" "libpmemblk"; then
+ libpmemblk="yes"
+ LIBS="-lpmemblk $LIBS"
+ fi
+fi
+print_config "libpmemblk" "$libpmemblk"
+
+# Choose the ioengines
+if test "$libpmem" = "yes" && test "$disable_pmem" = "no"; then
+ pmem="yes"
+ devdax="yes"
+ if test "$libpmemblk" = "yes"; then
+ pmemblk="yes"
+ fi
+fi
+
+##########################################
+# Report whether pmemblk engine is enabled
+print_config "NVML pmemblk engine" "$pmemblk"
+
+##########################################
+# Report whether dev-dax engine is enabled
+print_config "NVML dev-dax engine" "$devdax"
+
+##########################################
+# Report whether libpmem engine is enabled
+print_config "NVML libpmem engine" "$pmem"
+
+##########################################
+# Check if we have lex/yacc available
+yacc="no"
+yacc_is_bison="no"
+lex="no"
+arith="no"
+if test "$disable_lex" = "no" || test -z "$disable_lex" ; then
+if test "$targetos" != "SunOS" ; then
+LEX=$(which lex 2> /dev/null)
+if test -x "$LEX" ; then
+ lex="yes"
+fi
+YACC=$(which bison 2> /dev/null)
+if test -x "$YACC" ; then
+ yacc="yes"
+ yacc_is_bison="yes"
+else
+ YACC=$(which yacc 2> /dev/null)
+ if test -x "$YACC" ; then
+ yacc="yes"
+ fi
+fi
+if test "$yacc" = "yes" && test "$lex" = "yes" ; then
+ arith="yes"
+fi
+
+if test "$arith" = "yes" ; then
+cat > $TMPC << EOF
+extern int yywrap(void);
+
+int main(int argc, char **argv)
+{
+ yywrap();
+ return 0;
+}
+EOF
+if compile_prog "" "-ll" "lex"; then
+ LIBS="-ll $LIBS"
+else
+ arith="no"
+fi
+fi
+fi
+fi
+
+# Check if lex fails using -o
+if test "$arith" = "yes" ; then
+if test "$force_no_lex_o" = "yes" ; then
+ lex_use_o="no"
+else
+$LEX -o lex.yy.c exp/expression-parser.l 2> /dev/null
+if test "$?" = "0" ; then
+ lex_use_o="yes"
+else
+ lex_use_o="no"
+fi
+fi
+fi
+
+print_config "lex/yacc for arithmetic" "$arith"
+
+##########################################
+# Check whether we have setmntent/getmntent
+if test "$getmntent" != "yes" ; then
+ getmntent="no"
+fi
+cat > $TMPC << EOF
+#include <stdio.h>
+#include <mntent.h>
+int main(int argc, char **argv)
+{
+ FILE *mtab = setmntent(NULL, "r");
+ struct mntent *mnt = getmntent(mtab);
+ endmntent(mtab);
+ return 0;
+}
+EOF
+if compile_prog "" "" "getmntent"; then
+ getmntent="yes"
+fi
+print_config "getmntent" "$getmntent"
+
+##########################################
+# Check whether we have getmntinfo
+# These are originally added for BSDs, but may also work
+# on other operating systems with getmntinfo(3).
+
+# getmntinfo(3) for FreeBSD/DragonFlyBSD/OpenBSD.
+# Note that NetBSD needs -Werror to catch warning as error.
+if test "$getmntinfo" != "yes" ; then
+ getmntinfo="no"
+fi
+cat > $TMPC << EOF
+#include <stdio.h>
+#include <sys/param.h>
+#include <sys/mount.h>
+int main(int argc, char **argv)
+{
+ struct statfs *st;
+ return getmntinfo(&st, MNT_NOWAIT);
+}
+EOF
+if compile_prog "-Werror" "" "getmntinfo"; then
+ getmntinfo="yes"
+fi
+print_config "getmntinfo" "$getmntinfo"
+
+# getmntinfo(3) for NetBSD.
+if test "$getmntinfo_statvfs" != "yes" ; then
+ getmntinfo_statvfs="no"
+fi
+cat > $TMPC << EOF
+#include <stdio.h>
+#include <sys/statvfs.h>
+int main(int argc, char **argv)
+{
+ struct statvfs *st;
+ return getmntinfo(&st, MNT_NOWAIT);
+}
+EOF
+# Skip the test if the one with statfs arg is detected.
+if test "$getmntinfo" != "yes" && compile_prog "-Werror" "" "getmntinfo_statvfs"; then
+ getmntinfo_statvfs="yes"
+ print_config "getmntinfo_statvfs" "$getmntinfo_statvfs"
+fi
+
+##########################################
+# Check whether we have _Static_assert
+if test "$static_assert" != "yes" ; then
+ static_assert="no"
+fi
+cat > $TMPC << EOF
+#include <assert.h>
+#include <stdlib.h>
+#include <stddef.h>
+
+struct foo {
+ int a, b;
+};
+
+int main(int argc, char **argv)
+{
+ _Static_assert(offsetof(struct foo, a) == 0 , "Check");
+ return 0 ;
+}
+EOF
+if compile_prog "" "" "static_assert"; then
+ static_assert="yes"
+fi
+print_config "Static Assert" "$static_assert"
+
+##########################################
+# Check whether we have bool / stdbool.h
+if test "$have_bool" != "yes" ; then
+ have_bool="no"
+fi
+cat > $TMPC << EOF
+#include <stdbool.h>
+int main(int argc, char **argv)
+{
+ bool var = true;
+ return var != false;
+}
+EOF
+if compile_prog "" "" "bool"; then
+ have_bool="yes"
+fi
+print_config "bool" "$have_bool"
+
+##########################################
+# Check whether we have strndup()
+strndup="no"
+cat > $TMPC << EOF
+#include <string.h>
+#include <stdlib.h>
+int main(int argc, char **argv)
+{
+ char *res = strndup("test string", 8);
+
+ free(res);
+ return 0;
+}
+EOF
+if compile_prog "" "" "strndup"; then
+ strndup="yes"
+fi
+print_config "strndup" "$strndup"
+
+##########################################
+# check march=armv8-a+crc+crypto
+if test "$march_armv8_a_crc_crypto" != "yes" ; then
+ march_armv8_a_crc_crypto="no"
+fi
+if test "$cpu" = "arm64" ; then
+ cat > $TMPC <<EOF
+#include <sys/auxv.h>
+#include <arm_acle.h>
+#include <arm_neon.h>
+
+int main(void)
+{
+ return 0;
+}
+EOF
+ if compile_prog "-march=armv8-a+crc+crypto" "" ""; then
+ march_armv8_a_crc_crypto="yes"
+ CFLAGS="$CFLAGS -march=armv8-a+crc+crypto -DARCH_HAVE_CRC_CRYPTO"
+ fi
+fi
+print_config "march_armv8_a_crc_crypto" "$march_armv8_a_crc_crypto"
+
+##########################################
+# cuda probe
+if test "$cuda" != "yes" ; then
+ cuda="no"
+fi
+cat > $TMPC << EOF
+#include <cuda.h>
+int main(int argc, char **argv)
+{
+ return cuInit(0);
+}
+EOF
+if test "$enable_cuda" = "yes" && compile_prog "" "-lcuda" "cuda"; then
+ cuda="yes"
+ LIBS="-lcuda $LIBS"
+fi
+print_config "cuda" "$cuda"
+
+##########################################
+# mkdir() probe. mingw apparently has a one-argument mkdir :/
+mkdir_two="no"
+cat > $TMPC << EOF
+#include <sys/stat.h>
+#include <sys/types.h>
+int main(int argc, char **argv)
+{
+ return mkdir("/tmp/bla", 0600);
+}
+EOF
+if compile_prog "" "" "mkdir(a, b)"; then
+ mkdir_two="yes"
+fi
+print_config "mkdir(a, b)" "$mkdir_two"