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rework patch model

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At the Buildroot Developers Meeting (4-5 February 2013, in Brussels) a change
to the patch logic was discussed. See

http://elinux.org/Buildroot:DeveloperDaysFOSDEM2013

for details. In summary:

* For patches stored in the package directory, if
  package/<pkg>/<version>/ does exist, apply package/<pkg>/<version>/*.patch,
  otherwise, apply package/<pkg>/*.patch
* For patches stored in the global patches directory, if
  $(GLOBAL_PATCH_DIR)/<pkg>/<version>/ does exist, apply
  $(GLOBAL_PATCH_DIR)/<pkg>/<version>/*.patch, otherwise, apply
  $(GLOBAL_PATCH_DIR)/<pkg>/*.patch

This patch adds the new BR2_GLOBAL_PATCH_DIR configuration item, and reworks
the generic package infrastructure to implement the new patch logic.

[Peter: fixup doc nits as pointed out by Thomas]
Signed-off-by: Simon Dawson <spdawson@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Simon Dawson
2013-03-17 23:13:47 +00:00
committed by Peter Korsgaard
parent 424d69bc9b
commit 5538e47662
5 changed files with 59 additions and 11 deletions
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15
Config.in
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@@ -437,6 +437,21 @@ config BR2_PACKAGE_OVERRIDE_FILE
as the source directory for a particular package. See the
Buildroot documentation for more details on this feature.
config BR2_GLOBAL_PATCH_DIR
string "global patch directory"
help
You may specify a directory containing global package patches.
For a specific version <packageversion> of a specific package
<packagename>, patches are applied as follows.
First, the default Buildroot patch set for the package is applied.
If the directory $(BR2_GLOBAL_PATCH_DIR)/<packagename>/<packageversion>
exists, then all *.patch files in the directory will be applied.
Otherwise, if the directory $(BR2_GLOBAL_PATCH_DIR)/<packagename> exists,
then all *.patch files in the directory will be applied.
endmenu
source "toolchain/Config.in"