[LU-6931] Luster build is failed with gcov enabled

Related — Fri, 9 Nov 2018 12:52:52 +0000

./configure CFLAGS='-O0 -fprofile-arcs -ftest-coverage' LDFLAGS="-fprofile-arcs" --with-linux=

make

buid failed with messages
cc1: warnings being treated as errors
In file included from /root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage/arch/x86/include/asm/alternative.h:43,
from /root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage/arch/x86/include/asm/atomic_64.h:5,
from /root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage/arch/x86/include/asm/atomic.h:4,
from include/linux/crypto.h:20,
from include/crypto/algapi.h:15,
from include/crypto/internal/hash.h:16,
from /root/build/lustre.clone/libcfs/libcfs/linux/linux-crypto-crc32pclmul.c:32:
/root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage/arch/x86/include/asm/cpufeature.h: In function ‘fpu_clear’:
/root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage/arch/x86/include/asm/cpufeature.h:382: error: asm operand 1 probably doesn’t match constraints
/root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage/arch/x86/include/asm/cpufeature.h: In function ‘fpu_save_init’:
/root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage/arch/x86/include/asm/cpufeature.h:382: error: asm operand 1 probably doesn’t match constraints
make[6]: *** [/root/build/lustre.clone/libcfs/libcfs/linux/linux-crypto-crc32pclmul.o] Error 1
make[5]: *** [/root/build/lustre.clone/libcfs/libcfs] Error 2
make[4]: *** [/root/build/lustre.clone/libcfs] Error 2
make[3]: *** [_module_/root/build/lustre.clone] Error 2
make[3]: Leaving directory `/root/build/kernels_cov/linux-2.6.32-431.29.2.el6_lustreb_neo_stable_2.0_coverage'
make[2]: *** [modules] Error 2
make[2]: Leaving directory `/root/build/lustre.clone'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/root/build/lustre.clone'
make: *** [all] Error 2
[root@localhost lustre.clone]# make
make all-recursive
make[1]: Entering directory `/root/build/lustre.clone'
Making all in ldiskfs
make[2]: Entering directory `/root/build/lustre.clone/ldiskfs'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/root/build/lustre.clone/ldiskfs'
Making all in .
make[2]: Entering directory `/root/build/lustre.clone'
make sources -C ldiskfs || exit $?
make[3]: Entering directory `/root/build/lustre.clone/ldiskfs'
make[3]: `sources' is up to date.
make[3]: Leaving directory `/root/build/lustre.clone/ldiskfs'
make sources -C lustre || exit $?
make[3]: Entering directory `/root/build/lustre.clone/lustre'
perl ../lustre/scripts/version_tag.pl .. .. > tmpver
fatal: No names found, cannot describe anything.

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[LU-6931] Luster build is failed with gcov enabled