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package/Makefile.in: add PARALLEL_JOBS to post-build/post-image scripts

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Post-build, post-image, and other build scripts may run some commands in
parallel, for example to parallelize xargs, Makefiles, etc. Export
PARALLEL_JOBS to these scripts so they can enforce the same job limits
that other Buildroot packages use.

Signed-off-by: Brandon Maier <brandon.maier@collins.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
This commit is contained in:
Brandon Maier
2023-11-18 18:13:08 +00:00
committed by Arnout Vandecappelle
parent e167800979
commit a320986c44
4 changed files with 6 additions and 3 deletions
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4
docs/manual/customize-post-image.adoc
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@@ -33,8 +33,8 @@ arguments that are only used for the post-image scripts you can use
Again just like for the post-build scripts, the scripts have access to
the environment variables +BR2_CONFIG+, +HOST_DIR+, +STAGING_DIR+,
+TARGET_DIR+, +BUILD_DIR+, +BINARIES_DIR+, +CONFIG_DIR+ and
+BASE_DIR+.
+TARGET_DIR+, +BUILD_DIR+, +BINARIES_DIR+, +CONFIG_DIR+, +BASE_DIR+,
and +PARALLEL_JOBS+.
The post-image scripts will be executed as the user that executes
Buildroot, which should normally _not_ be the root user. Therefore, any

1
docs/manual/customize-rootfs.adoc
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@@ -75,6 +75,7 @@ In addition, you may also use these environment variables:
- +BINARIES_DIR+: the place where all binary files (aka images) are
stored
- +BASE_DIR+: the base output directory
- +PARALLEL_JOBS+: the number of jobs to use when running parallel processes.
Below three more methods of customizing the target filesystem are
described, but they are not recommended.

1
docs/manual/debugging-buildroot.adoc
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@@ -41,3 +41,4 @@ The script has access to the following variables:
- +BINARIES_DIR+: the place where all binary files (aka images) are
stored
- +BASE_DIR+: the base output directory
- +PARALLEL_JOBS+: the number of jobs to use when running parallel processes.

3
package/Makefile.in
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@@ -331,7 +331,8 @@ EXTRA_ENV = \
BR2_DL_DIR=$(BR2_DL_DIR) \
BUILD_DIR=$(BUILD_DIR) \
CONFIG_DIR=$(CONFIG_DIR) \
O=$(CANONICAL_O)
O=$(CANONICAL_O) \
PARALLEL_JOBS=$(PARALLEL_JOBS)
################################################################################
# settings we need to pass to configure