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system/Config.in: introduce pre-build script

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We introduce the concept of a pre-build script that works similar to
the already existing post-build and post-image scripts.

The pre-build script(s) are executed before the build commences. This
allows a user to run some preperatory tasks prior to the build.

Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Markus Mayer 2020-01-21 15:09:56 -08:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent cff428fe31
commit 9b2a377edb
2 changed files with 13 additions and 0 deletions
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3
Makefile
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@ -599,6 +599,9 @@ $(BUILD_DIR)/buildroot-config/auto.conf: $(BR2_CONFIG)
.PHONY: prepare
prepare: $(BUILD_DIR)/buildroot-config/auto.conf
@$(foreach s, $(call qstrip,$(BR2_ROOTFS_PRE_BUILD_SCRIPT)), \
$(call MESSAGE,"Executing pre-build script $(s)"); \
$(EXTRA_ENV) $(s) $(TARGET_DIR) $(call qstrip,$(BR2_ROOTFS_POST_SCRIPT_ARGS))$(sep))
.PHONY: world
world: target-post-image

10
system/Config.in
View File

@ -533,6 +533,16 @@ config BR2_ROOTFS_OVERLAY
They are copied as-is into the rootfs, excluding files ending
with ~ and .git, .svn and .hg directories.
config BR2_ROOTFS_PRE_BUILD_SCRIPT
string "Custom scripts to run before commencing the build"
default ""
help
Specify a space-separated list of scripts to be run before the
build commences.
This gives users the opportunity to do board-specific
preparations before starting the build.
config BR2_ROOTFS_POST_BUILD_SCRIPT
string "Custom scripts to run before creating filesystem images"
default ""