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ceph.spec.in: use RPM_BUILD_NCPUS for number of jobs

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this env variable is defined by /usr/lib/rpm/macros. let's used it
instead of inventing our own version.

Signed-off-by: Kefu Chai <kchai@redhat.com>
This commit is contained in:
Kefu Chai 2021-02-17 11:47:44 +08:00
parent b50fc9e61c
commit bd4da136ba
1 changed files with 21 additions and 22 deletions
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43
ceph.spec.in
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@ -109,6 +109,27 @@
%global _source_payload w7T%{_smp_build_ncpus}.xzdio
%global _binary_payload w7T%{_smp_build_ncpus}.xzdio
# Parallel build settings ...
CEPH_SMP_NCPUS=$(RPM_BUILD_NCPUS)
%if 0%{?__isa_bits} == 32
# 32-bit builds can use 3G memory max, which is not enough even for -j2
CEPH_SMP_NCPUS="1"
%endif
# do not eat all memory
echo "Available memory:"
free -h
echo "System limits:"
ulimit -a
if test -n "$CEPH_SMP_NCPUS" -a "$CEPH_SMP_NCPUS" -gt 1 ; then
mem_per_process=2500
max_mem=$(LANG=C free -m | sed -n "s|^Mem: *\([0-9]*\).*$|\1|p")
max_jobs="$(($max_mem / $mem_per_process))"
test "$CEPH_SMP_NCPUS" -gt "$max_jobs" && CEPH_SMP_NCPUS="$max_jobs" && echo "Warning: Reducing build parallelism to -j$max_jobs because of memory limits"
test "$CEPH_SMP_NCPUS" -le 0 && CEPH_SMP_NCPUS="1" && echo "Warning: Not using parallel build at all because of memory limits"
fi
export CEPH_SMP_NCPUS
export CEPH_MFLAGS_JOBS="-j$CEPH_SMP_NCPUS"
#################################################################################
# main package definition
#################################################################################
@ -1189,28 +1210,6 @@ export LDFLAGS="$RPM_LD_FLAGS"
export CXXFLAGS=$(echo $RPM_OPT_FLAGS | sed -e 's/-Wp,-D_FORTIFY_SOURCE=2//g')
%endif
# Parallel build settings ...
CEPH_MFLAGS_JOBS="%{?_smp_mflags}"
CEPH_SMP_NCPUS=$(echo "$CEPH_MFLAGS_JOBS" | sed 's/-j//')
%if 0%{?__isa_bits} == 32
# 32-bit builds can use 3G memory max, which is not enough even for -j2
CEPH_SMP_NCPUS="1"
%endif
# do not eat all memory
echo "Available memory:"
free -h
echo "System limits:"
ulimit -a
if test -n "$CEPH_SMP_NCPUS" -a "$CEPH_SMP_NCPUS" -gt 1 ; then
mem_per_process=2500
max_mem=$(LANG=C free -m | sed -n "s|^Mem: *\([0-9]*\).*$|\1|p")
max_jobs="$(($max_mem / $mem_per_process))"
test "$CEPH_SMP_NCPUS" -gt "$max_jobs" && CEPH_SMP_NCPUS="$max_jobs" && echo "Warning: Reducing build parallelism to -j$max_jobs because of memory limits"
test "$CEPH_SMP_NCPUS" -le 0 && CEPH_SMP_NCPUS="1" && echo "Warning: Not using parallel build at all because of memory limits"
fi
export CEPH_SMP_NCPUS
export CEPH_MFLAGS_JOBS="-j$CEPH_SMP_NCPUS"
env | sort
mkdir build