http://bugzilla.opensuse.org/show_bug.cgi?id=1133305 Bug ID: 1133305 Summary: LTO: multipath-tools build fails Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Basesystem Assignee: bnc-team-screening@forge.provo.novell.com Reporter: martin.wilck@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- in the LTO staging project (openSUSE:Factory:Staging:N), libaio doesn't export all symbols it used to export. In particular, io_cancel() and io_getevents() are undefined: apollon:/mnt/img/lib64 # nm -D libaio.so.1 0000000000000000 A LIBAIO_0.1 0000000000000000 A LIBAIO_0.4 U __stack_chk_fail U io_cancel 0000000000001050 T io_destroy U io_getevents 0000000000001110 T io_queue_init 0000000000001100 T io_queue_release 0000000000001080 T io_queue_run 0000000000001060 T io_setup 0000000000001070 T io_submit This causes the multipath-tools build to fail. The failure is independent on whether -flto=X is active while building multipath-tools itself.

[ 50s] gcc -fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -flto=4 -g -DBIN_DIR=\"/sbin\" -DLIB_STRING=\"lib64\" -DRUN_DIR=\"run\" -MMD -MP -fPIE -I../libmultipath -I../libmpathcmd main.o -o multipath -Wl,-z,relro -Wl,-z,now -pie -L../libmultipath -lmultipath -L../libmpathcmd -lmpathcmd -lpthread -ldevmapper -ldl -ludev -laio [ 50s] /usr/lib64/gcc/x86_64-suse-linux/9/../../../../x86_64-suse-linux/bin/ld: ../libmultipath/libmultipath.so: undefined reference to `io_getevents' [ 50s] /usr/lib64/gcc/x86_64-suse-linux/9/../../../../x86_64-suse-linux/bin/ld: ../libmultipath/libmultipath.so: undefined reference to `io_cancel'' [ 50s] collect2: error: ld returned 1 exit status [ 50s] make[1]: *** [Makefile:18: multipath] Error 1

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