[oi-dev] REQUIRED_PACKAGES support in oi-userland

[Adam Števko]

Hello,

I just merge PR, which brings REQUIRED_PACKAGES feature from userland-gate. This allows specifying and installing build time dependencies. It introduces following targets:

gmake REQUIRED_PACKAGES - this target will modify component Makefile, so it contains autogenerated REQUIRED_PACKAGES. REQUIRED_PACKAGES is not 100% and manual check has to be done in some cases. I was trying to compile openvpn, but didn’t have tun.h from driver/network/header-tun, so I had to add it manually, e.g.:
	REQUIRED_PACKAGES += driver/network/header-tun

gmake component-environment-check - this target will output information about the workspace and check if required dependencies are installed. There is a shorter alias, gmake env-check, for user convenience.

gmake component-environment-prep - this target will install packages specified in REQUIRED_PACKAGES variable. Please, ensure that your user has a privilege to install packages. There is a shorter alias, gmake env-prep, for user convenience.

gmake print-VAR - this is very handy and serves for printing Makefile variables.

If ypu want to know more about, you should read docs/makefile-targets.txt, which documents all supported Makefile targets.

I’d like to ask that new contributions have REQUIRED_PACKAGES added as I plan to develop other targets for building components in clean environment and rebuilding dependent components.

Cheers,
Adam


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