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allow users to specify number of build threads

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lbmk 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 LBMK_THREADS=x

where x is the number of threads. when you then run
lbmk, 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 <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2024-03-27 07:14:47 +00:00
parent 6ebab10caa
commit 332778973c
3 changed files with 14 additions and 5 deletions
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include/option.sh
+8
View File
@@ -22,6 +22,14 @@ eval "$(setvars "" CONFIG_BOARD_DELL_E6400 CONFIG_HAVE_MRC CONFIG_HAVE_ME_BIN \
CONFIG_IFD_BIN_PATH CONFIG_MRC_FILE _dest board boarddir \
CONFIG_HAVE_REFCODE_BLOB CONFIG_REFCODE_BLOB_FILE)"
threads=
set | grep LBMK_THREADS 1>/dev/null 2>/dev/null || threads=$(nproc) || :
[ -z "$threads" ] && threads=$LBMK_THREADS
[ -z "$threads" ] && threads=1 # LBMK_THREADS not set, and nproc failed
expr "X$threads" : "X-\{0,1\}[0123456789][0123456789]*$" \
1>/dev/null 2>/dev/null || threads=1 # user specified a non-integer
items()
{
rval=1