diff options
Diffstat (limited to 'docs')
-rw-r--r-- | docs/manual/customize-packages.txt | 23 | ||||
-rw-r--r-- | docs/manual/customize.txt | 2 | ||||
-rw-r--r-- | docs/manual/patch-policy.txt | 14 |
3 files changed, 36 insertions, 3 deletions
diff --git a/docs/manual/customize-packages.txt b/docs/manual/customize-packages.txt new file mode 100644 index 000000000..1820c544e --- /dev/null +++ b/docs/manual/customize-packages.txt @@ -0,0 +1,23 @@ +// -*- mode:doc -*- ; + +[[packages-custom]] +Customizing packages +~~~~~~~~~~~~~~~~~~~~ + +It is sometimes useful to apply 'extra' patches to packages - over and +above those provided in Buildroot. This might be used to support custom +features in a project, for example, or when working on a new architecture. + +The +BR2_GLOBAL_PATCH_DIR+ configuration file option can be +used to 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. diff --git a/docs/manual/customize.txt b/docs/manual/customize.txt index 3b1a5a734..0456ef16f 100644 --- a/docs/manual/customize.txt +++ b/docs/manual/customize.txt @@ -15,3 +15,5 @@ include::customize-kernel-config.txt[] include::customize-toolchain.txt[] include::customize-store.txt[] + +include::customize-packages.txt[] diff --git a/docs/manual/patch-policy.txt b/docs/manual/patch-policy.txt index 0f55b26dc..d2250ad0c 100644 --- a/docs/manual/patch-policy.txt +++ b/docs/manual/patch-policy.txt @@ -11,8 +11,9 @@ necessary to patch the source of the software to get it cross-built within Buildroot. Buildroot offers an infrastructure to automatically handle this during -the builds. It supports two ways of applying patch sets: downloaded patches -and patches supplied within buildroot. +the builds. It supports three ways of applying patch sets: downloaded patches, +patches supplied within buildroot and patches located in a user-defined +global patch directory. Providing patches ~~~~~~~~~~~~~~~~~ @@ -45,6 +46,13 @@ application order. reference in their filename. - The field +<number>+ in the patch file name refers to the 'apply order'. +Global patch directory +^^^^^^^^^^^^^^^^^^^^^^ + +The +BR2_GLOBAL_PATCH_DIR+ configuration file option can be +used to specify a directory containing global package patches. See +xref:packages-custom[] for details. + How patches are applied ~~~~~~~~~~~~~~~~~~~~~~~ @@ -57,7 +65,7 @@ How patches are applied tarballs are applied; . If there are some +*.patch+ files in the package directory or in the - a package subdirectory named +<packagename>-<packageversion>+, then: + a package subdirectory named +<packageversion>+, then: + * If a +series+ file exists in the package directory, then patches are applied according to the +series+ file; |