diff options
| -rw-r--r-- | docs/manual/adding-packages-directory.txt | 10 | ||||
| -rw-r--r-- | docs/manual/adding-packages-virtual.txt | 6 | ||||
| -rw-r--r-- | docs/manual/appendix.txt | 8 |
3 files changed, 24 insertions, 0 deletions
diff --git a/docs/manual/adding-packages-directory.txt b/docs/manual/adding-packages-directory.txt index 070718e2d5..69b012c6bf 100644 --- a/docs/manual/adding-packages-directory.txt +++ b/docs/manual/adding-packages-directory.txt @@ -298,6 +298,16 @@ management, use this format: foo needs udev /dev management and a toolchain w/ featA, featB, featC -------------------------- +==== Dependencies on features provided by virtual packages + +Some features can be provided by more than one package, such as the +openGL libraries. + +See xref:virtual-package-tutorial[] for more on the virtual packages. + +See xref:virtual-package-list[] for the symbols to depend on if your package +depends on a feature provided by a virtual package. + === The +.mk+ file [[adding-packages-mk]] diff --git a/docs/manual/adding-packages-virtual.txt b/docs/manual/adding-packages-virtual.txt index 6326bb5455..a5f17a262a 100644 --- a/docs/manual/adding-packages-virtual.txt +++ b/docs/manual/adding-packages-virtual.txt @@ -83,6 +83,9 @@ 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. +See xref:virtual-package-list[] for the symbols to select if you implement +a new provider for an existing virtual package. + ==== Provider's +.mk+ file The +.mk+ file should also declare an additional variable @@ -96,6 +99,9 @@ packages it is an implementation of: Of course, do not forget to add the proper build and runtime dependencies for this package! +See xref:virtual-package-list[] for the names of virtual packages to provide +if you implement a new provider for an existing virtual package. + ==== Notes on depending on a virtual package When adding a package that requires a certain +FEATURE+ provided by a virtual diff --git a/docs/manual/appendix.txt b/docs/manual/appendix.txt index 35328c6797..3f95551fd6 100644 --- a/docs/manual/appendix.txt +++ b/docs/manual/appendix.txt @@ -14,6 +14,14 @@ include::makeusers-syntax.txt[] include::package-list.txt[] +[[virtual-package-list]] +== List of virtual packages + +These are the virtual packages known to +Buildroot+, with the +corresponding symbols and providers. + +include::virtual-package-list.txt[] + [[host-package-list]] == List of host utilities available in Buildroot |
