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allow users to specify number of build threads 

cbmk otherwise uses nproc to set the number of build threads,
in these places:

* generic make commands in script/update/trees
* crossgcc make command in script/update/trees

the -T0 option is also used in script/update/release, when running
tar.

with this change, you can do:

export CBMK_THREADS=x

where x is the number of threads. when you then run
cbmk, your chosen number of threads will override
the default. this may be useful on a host that does
not have a lot of memory.

Signed-off-by: Leah Rowe <info@minifree.org>
audit2-merge1
Leah Rowe 2024-03-27 07:14:47 +00:00 committed by Leah Rowe
parent 226b2301db
commit 187a3ea484
3 changed files with 14 additions and 5 deletions
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8
include/option.sh
View File

@ -14,6 +14,14 @@ tmpgit="${PWD}/tmp/gitclone"
eval "$(setvars "" board boarddir)"
threads=
set | grep CBMK_THREADS 1>/dev/null 2>/dev/null || threads=$(nproc) || :
[ -z "$threads" ] && threads=$CBMK_THREADS
[ -z "$threads" ] && threads=1 # CBMK_THREADS not set, and nproc failed
expr "X$threads" : "X-\{0,1\}[0123456789][0123456789]*$" \
1>/dev/null 2>/dev/null || threads=1 # user specified a non-integer
items()
{
rval=1

7
script/update/release
View File

@ -192,11 +192,12 @@ mktarball()
mkdir -p "${2%/*}" || $err "mk, !mkdir -p \"${2%/*}\""
if [ "${tar_implementation% *}" = "tar (GNU tar)" ]; then
tar --sort=name --owner=root:0 --group=root:0 \
--mtime="UTC 2023-11-06" -c "$1" | xz -T0 -9e > "$2" || \
$err "mktarball 1, ${1}"
--mtime="UTC 2023-11-06" -c "$1" | xz -T$threads -9e \
> "$2" || $err "mktarball 1, ${1}"
else
# TODO: reproducible tarballs on non-GNU systems
tar -c "$1" | xz -T0 -9e > "$2" || $err "mktarball 2, $1"
tar -c "$1" | xz -T$threads -9e > "$2" || \
$err "mktarball 2, $1"
fi
(
[ "${2%/*}" != "${2}" ] && x_ cd "${2%/*}"

4
script/update/trees
View File

@ -169,7 +169,7 @@ check_cross_compiler()
[ -n "${xlang}" ] && export BUILD_LANGUAGES="$xlang"
[ -d "${cbdir}/util/crossgcc/xgcc/${_xarch}/" ] && continue
x_ make -C "$cbdir" crossgcc-${_xarch%-*} CPUS=$(nproc)
x_ make -C "$cbdir" crossgcc-${_xarch%-*} CPUS=$threads
done
}
@ -216,7 +216,7 @@ run_make_command()
[ "$project" = "coreboot" ] && [ -z "$mode" ] && x_ \
printf "%s\n" "${version%%-*}" > "$codedir/.coreboot-version"
make $mode -j$(nproc) $makeargs -C "$codedir" || \
make $mode -j$threads $makeargs -C "$codedir" || \
$err "run_make $codedir: !make $mode"
[ "$mode" != "clean" ] && return 0