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Use constrain_build macro to simplify parallel make handling 

With constrain_build it is possible to just say how much RAM per process
/ CPU core we need to build and it automatically calculates out the
right -jXX number to use.

I've used 2 GB per CPU as the initial setting, but if we run into issues
with gcc running out of memory on e.g. s390x, the number can be easily
increased (which then reduces parallelism on low memory builders).
This commit is contained in:
Kalev Lember 2022-08-17 10:25:36 +02:00
parent 720c2b63eb
commit 7e1b07c41a
1 changed files with 7 additions and 21 deletions
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28
firefox.spec
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@ -177,7 +177,7 @@ ExcludeArch: aarch64
Summary: Mozilla Firefox Web browser
Name: firefox
Version: 104.0
Release: 4%{?pre_tag}%{?dist}
Release: 5%{?pre_tag}%{?dist}
URL: https://www.mozilla.org/firefox/
License: MPLv1.1 or GPLv2+ or LGPLv2+
Source0: https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
@ -760,27 +760,10 @@ echo "ac_add_options MOZ_PGO=1" >> .mozconfig
export CCACHE_DISABLE=1
%endif
MOZ_SMP_FLAGS=-j1
# On x86_64 architectures, Mozilla can build up to 4 jobs at once in parallel,
# however builds tend to fail on other arches when building in parallel.
%ifarch %{ix86} s390x %{arm} aarch64
[ -z "$RPM_BUILD_NCPUS" ] && \
RPM_BUILD_NCPUS="`/usr/bin/getconf _NPROCESSORS_ONLN`"
[ "$RPM_BUILD_NCPUS" -ge 2 ] && MOZ_SMP_FLAGS=-j2
%endif
%ifarch x86_64 ppc ppc64 ppc64le
[ -z "$RPM_BUILD_NCPUS" ] && \
RPM_BUILD_NCPUS="`/usr/bin/getconf _NPROCESSORS_ONLN`"
[ "$RPM_BUILD_NCPUS" -ge 2 ] && MOZ_SMP_FLAGS=-j2
[ "$RPM_BUILD_NCPUS" -ge 4 ] && MOZ_SMP_FLAGS=-j4
[ "$RPM_BUILD_NCPUS" -ge 8 ] && MOZ_SMP_FLAGS=-j8
[ "$RPM_BUILD_NCPUS" -ge 16 ] && MOZ_SMP_FLAGS=-j16
[ "$RPM_BUILD_NCPUS" -ge 24 ] && MOZ_SMP_FLAGS=-j24
[ "$RPM_BUILD_NCPUS" -ge 32 ] && MOZ_SMP_FLAGS=-j32
[ "$RPM_BUILD_NCPUS" -ge 64 ] && MOZ_SMP_FLAGS=-j64
%endif
# Require 2 GB of RAM per CPU core
%constrain_build -m 2048
echo "mk_add_options MOZ_MAKE_FLAGS=\"$MOZ_SMP_FLAGS\"" >> .mozconfig
echo "mk_add_options MOZ_MAKE_FLAGS=\"-j%{_smp_build_ncpus}\"" >> .mozconfig
echo "mk_add_options MOZ_SERVICES_SYNC=1" >> .mozconfig
echo "export STRIP=/bin/true" >> .mozconfig
#export MACH_USE_SYSTEM_PYTHON=1
@ -1122,6 +1105,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
#---------------------------------------------------------------------
%changelog
* Tue Aug 23 2022 Kalev Lember <klember@redhat.com> - 104.0-5
- Use constrain_build macro to simplify parallel make handling
* Tue Aug 23 2022 Jan Horak <jhorak@redhat.com> - 104.0-4
- Rebuild due to ppc64le fixes