Numan, during the OVN meeting today, you reported that building current
master of OVS, on a machine that supports AVX512, and then building OVN
based on that, caused the following build failure:
depbase=`echo northd/ovn-northd-ddlog.o | sed
's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I ./include -I ./include -I ./ovn -I ./include
-I ./lib -I ./lib -I /mnt/alt_home/numans/workspace_cpp/ovs/include -I
/mnt/alt_home/numans/workspace_cpp/ovs/include -I
/mnt/alt_home/numans/workspace_cpp/ovs/lib -I
/mnt/alt_home/numans/workspace_cpp/ovs/lib -I
/mnt/alt_home/numans/workspace_cpp/ovs -I
/mnt/alt_home/numans/workspace_cpp/ovs -Wstrict-prototypes -Wall -Wextra
-Wno-sign-compare -Wpointer-arith -Wformat -Wformat-security -Wswitch-enum
-Wunused-parameter -Wbad-function-cast -Wcast-align -Wstrict-prototypes
-Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers
-fno-strict-aliasing -Wswitch-bool -Wlogical-not-parentheses
-Wsizeof-array-argument -Wbool-compare -Wshift-negative-value -Wduplicated-cond
-Wshadow -Wmultistatement-macros -Wcast-align=strict -g -O2 -MT
northd/ovn-northd-ddlog.o -MD -MP -MF $depbase.Tpo -c -o
northd/ovn-northd-ddlog.o northd/ovn-northd-ddlog.c &&\
mv -f $depbase.Tpo $depbase.Po
LIBOVN_DEPS=`. lib/libovn.la && echo "$dependency_libs"` && \
LIBOPENVSWITCH_DEPS=`.
/mnt/alt_home/numans/workspace_cpp/ovs/lib/libopenvswitch.la && echo
"$dependency_libs"` && \
cd northd/ovn_northd_ddlog && \
RUSTC='rustc' RUSTFLAGS="-L ../../lib/.libs -L
/mnt/alt_home/numans/workspace_cpp/ovs/lib/.libs $LIBOPENVSWITCH_DEPS
$LIBOVN_DEPS -Awarnings -C opt-level=z" \
cargo build --release --verbose --lib --no-default-features --features
ovsdb
error: failed to run `rustc` to learn about target-specific information
Caused by:
process didn't exit successfully: `rustc - --crate-name ___
--print=file-names -L ../../lib/.libs -L
/mnt/alt_home/numans/workspace_cpp/ovs/lib/.libs -lssl -lcrypto -lcap-ng
/mnt/alt_home/numans/workspace_cpp/ovs/lib/libopenvswitchavx512.la -lpthread
-lrt -lm -lunbound -lpthread -lrt -lm -lunbound -Awarnings -C opt-level=z
--crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib
--crate-type staticlib --crate-type proc-macro --print=sysroot --print=cfg`
(exit code: 1)
--- stderr
error: multiple input filenames provided (first two filenames are `-` and
`/mnt/alt_home/numans/workspace_cpp/ovs/lib/libopenvswitchavx512.la`)
make[1]: *** [Makefile:3527:
northd/ovn_northd_ddlog/target/release/libovn_northd_ddlog.la] Error 101
make[1]: Leaving directory '/mnt/alt_home/numans/workspace_cpp/ovn'
make: *** [Makefile:1401: all] Error 2
However, I tried this myself just now (on a laptop that does indeed have
AVX512), and I can't see the failure. Do you have any suggestions on
what else I might need to cause it?
Thanks,
Ben.
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