diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/manual/adding-packages-generic.txt | 3 | ||||
| -rw-r--r-- | docs/manual/adding-packages-virtual.txt | 15 |
2 files changed, 15 insertions, 3 deletions
diff --git a/docs/manual/adding-packages-generic.txt b/docs/manual/adding-packages-generic.txt index f421651bb0..d3fa45b010 100644 --- a/docs/manual/adding-packages-generic.txt +++ b/docs/manual/adding-packages-generic.txt @@ -304,6 +304,9 @@ information is (assuming the package name is +libfoo+) : a similar way, +HOST_LIBFOO_DEPENDENCIES+ lists the dependencies for the current host package. +* +LIBFOO_PROVIDES+ lists all the virtual packages +libfoo+ is an + implementation of. See xref:virtual-package-tutorial[]. + * +LIBFOO_INSTALL_STAGING+ can be set to +YES+ or +NO+ (default). If set to +YES+, then the commands in the +LIBFOO_INSTALL_STAGING_CMDS+ variables are executed to install the package into the staging diff --git a/docs/manual/adding-packages-virtual.txt b/docs/manual/adding-packages-virtual.txt index 1c1116f2bc..0cbe753682 100644 --- a/docs/manual/adding-packages-virtual.txt +++ b/docs/manual/adding-packages-virtual.txt @@ -39,7 +39,7 @@ In this file, we declare two options, +BR2_PACKAGE_HAS_SOMETHING_VIRTUAL+ and +BR2_PACKAGE_PROVIDES_SOMETHING_VIRTUAL+, whose values will be used by the providers. -==== Virtual package's +*.mk+ file +==== Virtual package's +.mk+ file The +.mk+ for the virtual package should just evaluate the +virtual-package+ macro: @@ -59,8 +59,7 @@ The ability to have target and host packages is also available, with the ==== Provider's +Config.in+ file When adding a package as a provider, only the +Config.in+ file requires some -modifications. The +*.mk+ file should follow the Buildroot infrastructure with -no change at all. +modifications. The +Config.in+ file of the package 'some-provider', which provides the functionalities of 'something-virtual', should contain: @@ -84,6 +83,16 @@ On line 3, we select +BR2_PACKAGE_HAS_SOMETHING_VIRTUAL+, and on line 11, we set the value of +BR2_PACKAGE_PROVIDES_SOMETHING_VIRTUAL+ to the name of the provider, but only if it is selected. +==== Provider's +.mk+ file + +The +.mk+ file should also declare an additional variable ++SOME_PROVIDER_PROVIDES+ to contain the names of all the virtual +packages it is an implementation of: + +--------------------------- +01: SOME_PROVIDER_PROVIDES = something-virtual +--------------------------- + Of course, do not forget to add the proper build and runtime dependencies for this package! |
