}
# Default CFLAGS
-CFLAGS="-D_GNU_SOURCE -include config-host.h"
+CFLAGS="-D_GNU_SOURCE -include config-host.h $CFLAGS"
BUILD_CFLAGS=""
# Print a helpful header at the top of config.log
libiscsi="no"
libnbd="no"
libaio_uring="no"
+dynamic_engines="no"
prefix=/usr/local
# parse options
;;
--enable-libaio-uring) libaio_uring="yes"
;;
+ --dynamic-libengines) dynamic_engines="yes"
+ ;;
--help)
show_help="yes"
;;
echo "--enable-libnbd Enable libnbd (NBD engine) support"
echo "--disable-tcmalloc Disable tcmalloc support"
echo "--enable-libaio-uring Enable libaio emulated over io_uring"
+ echo "--dynamic-libengines Lib-based ioengines as dynamic libraries"
exit $exit_val
fi
fi
print_config "Static build" "$build_static"
+##########################################
+# check for C11 atomics support
+cat > $TMPC <<EOF
+#include <stdatomic.h>
+int main(void)
+{
+ _Atomic unsigned v;
+ atomic_load(&v);
+ return 0;
+}
+EOF
+if ! compile_prog "" "" "C11 atomics"; then
+ echo
+ echo "Your compiler doesn't support C11 atomics. gcc 4.9/clang 3.6 are the"
+ echo "minimum versions with it - perhaps your compiler is too old?"
+ fatal "C11 atomics support not found"
+fi
+
+
##########################################
# check for wordsize
wordsize="0"
EOF
if test "$libaio_uring" = "yes" && compile_prog "" "-luring" "libaio io_uring" ; then
libaio=yes
- LIBS="-luring $LIBS"
elif compile_prog "" "-laio" "libaio" ; then
libaio=yes
libaio_uring=no
- LIBS="-laio $LIBS"
else
if test "$libaio" = "yes" ; then
feature_not_found "linux AIO" "libaio-dev or libaio-devel"
libaio=no
libaio_uring=no
fi
+
+ cat > $TMPC <<EOF
+#include <libaio.h>
+#include <stddef.h>
+int main(void)
+{
+ io_prep_preadv2(NULL, 0, NULL, 0, 0, 0);
+ io_prep_pwritev2(NULL, 0, NULL, 0, 0, 0);
+ return 0;
+}
+EOF
+ if compile_prog "" "" "libaio rw flags" ; then
+ libaio_rw_flags=yes
+ else
+ libaio_rw_flags=no
+ fi
fi
print_config "Linux AIO support" "$libaio"
+print_config "Linux AIO support rw flags" "$libaio_rw_flags"
print_config "Linux AIO over io_uring" "$libaio_uring"
##########################################
EOF
if test "$disable_rdma" != "yes" && compile_prog "" "-libverbs" "libverbs" ; then
libverbs="yes"
- LIBS="-libverbs $LIBS"
fi
print_config "libverbs" "$libverbs"
EOF
if test "$disable_rdma" != "yes" && compile_prog "" "-lrdmacm" "rdma"; then
rdmacm="yes"
- LIBS="-lrdmacm $LIBS"
fi
print_config "rdmacm" "$rdmacm"
if compile_prog "" "$HTTP_LIBS" "curl-new-ssl"; then
output_sym "CONFIG_HAVE_OPAQUE_HMAC_CTX"
http="yes"
- LIBS="$HTTP_LIBS $LIBS"
elif mv $TMPC2 $TMPC && compile_prog "" "$HTTP_LIBS" "curl-old-ssl"; then
http="yes"
- LIBS="$HTTP_LIBS $LIBS"
fi
fi
print_config "http engine" "$http"
}
EOF
if test "$disable_rados" != "yes" && compile_prog "" "-lrados" "rados"; then
- LIBS="-lrados $LIBS"
rados="yes"
fi
print_config "Rados engine" "$rados"
}
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"
}
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"
EOF
if compile_prog "" "-lpmem" "libpmem"; then
libpmem="yes"
- LIBS="-lpmem $LIBS"
fi
print_config "libpmem" "$libpmem"
EOF
if compile_prog "" "-lpmemblk" "libpmemblk"; then
libpmemblk="yes"
- LIBS="-lpmemblk $LIBS"
fi
fi
print_config "libpmemblk" "$libpmemblk"
fi
print_config "Valgrind headers" "$valgrind_dev"
+if test "$targetos" = "Linux" ; then
##########################################
# <linux/blkzoned.h> probe
if test "$linux_blkzoned" != "yes" ; then
fi
print_config "Zoned block device support" "$linux_blkzoned"
+##########################################
+# Check BLK_ZONE_REP_CAPACITY
+cat > $TMPC << EOF
+#include <linux/blkzoned.h>
+int main(void)
+{
+ return BLK_ZONE_REP_CAPACITY;
+}
+EOF
+if compile_prog "" "" "blkzoned report capacity"; then
+ output_sym "CONFIG_HAVE_REP_CAPACITY"
+ rep_capacity="yes"
+else
+ rep_capacity="no"
+fi
+print_config "Zoned block device capacity" "$rep_capacity"
+fi
+
+##########################################
+# libzbc probe
+if test "$libzbc" != "yes" ; then
+ libzbc="no"
+fi
+cat > $TMPC << EOF
+#include <libzbc/zbc.h>
+int main(int argc, char **argv)
+{
+ struct zbc_device *dev = NULL;
+
+ return zbc_open("foo=bar", O_RDONLY, &dev);
+}
+EOF
+if compile_prog "" "-lzbc" "libzbc"; then
+ libzbcvermaj=$(pkg-config --modversion libzbc | sed 's/\.[0-9]*\.[0-9]*//')
+ if test "$libzbcvermaj" -ge "5" ; then
+ libzbc="yes"
+ else
+ print_config "libzbc engine" "Unsupported libzbc version (version 5 or above required)"
+ libzbc="no"
+ fi
+else
+ if test "$libzbc" = "yes" ; then
+ feature_not_found "libzbc" "libzbc or libzbc/zbc.h"
+ fi
+ libzbc="no"
+fi
+print_config "libzbc engine" "$libzbc"
+
##########################################
# check march=armv8-a+crc+crypto
if test "$march_armv8_a_crc_crypto" != "yes" ; then
print_config "__kernel_rwf_t" "$__kernel_rwf_t"
##########################################
-# check if gcc has -Wimplicit-fallthrough
+# check if gcc has -Wimplicit-fallthrough=2
fallthrough="no"
cat > $TMPC << EOF
int main(int argc, char **argv)
return 0;
}
EOF
-if compile_prog "-Wimplicit-fallthrough" "" "-Wimplicit-fallthrough"; then
+if compile_prog "-Wimplicit-fallthrough=2" "" "-Wimplicit-fallthrough=2"; then
fallthrough="yes"
fi
-print_config "-Wimplicit-fallthrough" "$fallthrough"
+print_config "-Wimplicit-fallthrough=2" "$fallthrough"
##########################################
# check for MADV_HUGEPAGE support
fi
if test "$libaio" = "yes" ; then
output_sym "CONFIG_LIBAIO"
+ if test "$libaio_rw_flags" = "yes" ; then
+ output_sym "CONFIG_LIBAIO_RW_FLAGS"
+ fi
if test "$libaio_uring" = "yes" ; then
output_sym "CONFIG_LIBAIO_URING"
fi
output_sym "CONFIG_VALGRIND_DEV"
fi
if test "$linux_blkzoned" = "yes" ; then
- output_sym "CONFIG_LINUX_BLKZONED"
+ output_sym "CONFIG_HAS_BLKZONED"
+fi
+if test "$libzbc" = "yes" ; then
+ output_sym "CONFIG_LIBZBC"
fi
if test "$zlib" = "no" ; then
echo "Consider installing zlib-dev (zlib-devel, some fio features depend on it."
echo "LIBNBD_CFLAGS=$libnbd_cflags" >> $config_host_mak
echo "LIBNBD_LIBS=$libnbd_libs" >> $config_host_mak
fi
+if test "$dynamic_engines" = "yes" ; then
+ output_sym "CONFIG_DYNAMIC_ENGINES"
+fi
+print_config "Lib-based ioengines dynamic" "$dynamic_engines"
cat > $TMPC << EOF
int main(int argc, char **argv)
{
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