linux-mod.eclass: Add a prebuilt-kernel rebuild flag

Add a 'prebuilt-kernel' USE flag that controls a bound-slot dependency
on virtual/prebuilt-kernel.  If the flag is enabled, it should ensure
that the module will be rebuilt automatically on future kernel upgrades.

Signed-off-by: Michał Górny <mgorny@gentoo.org>

12 files changed, 57 insertions, 12 deletions

diff --git a/profiles/arch/amd64/use.mask b/profiles/arch/amd64/use.mask
index 2334ab319381..30c8a9b41147 100644
--- a/profiles/arch/amd64/use.mask
+++ b/profiles/arch/amd64/use.mask
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Unmask the flag which corresponds to ARCH.
@@ -6,6 +6,10 @@
 
 # SECTION: Unmask
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernels are supported here.
+-dist-kernel
+
 # Andreas Sturmlechner <asturm@gentoo.org> (2020-06-06)
 # sci-libs/mkl works on amd64
 -mkl
diff --git a/profiles/arch/amd64/use.stable.mask b/profiles/arch/amd64/use.stable.mask
index b83b8507d91c..ba88ea41c2eb 100644
--- a/profiles/arch/amd64/use.stable.mask
+++ b/profiles/arch/amd64/use.stable.mask
@@ -1,9 +1,13 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernel rebuilds are supported on stable yet.
+dist-kernel
+
 # Andreas Sturmlechner <asturm@gentoo.org> (2020-06-06)
 # sci-libs/mkl is not stable, needs online registration to even run pkg_setup
 mkl
diff --git a/profiles/arch/arm/use.mask b/profiles/arch/arm/use.mask
index 5af05ca0a697..600ca159c4e2 100644
--- a/profiles/arch/arm/use.mask
+++ b/profiles/arch/arm/use.mask
@@ -1,9 +1,13 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Unmask the flag which corresponds to ARCH.
 -arm
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernels are supported here.
+-dist-kernel
+
 # Unmask arm arch specific flags
 -cpu_flags_arm_iwmmxt
 -cpu_flags_arm_iwmmxt2
diff --git a/profiles/arch/arm/use.stable.mask b/profiles/arch/arm/use.stable.mask
index d969a69e4d3a..0edb74fb7acf 100644
--- a/profiles/arch/arm/use.stable.mask
+++ b/profiles/arch/arm/use.stable.mask
@@ -1,9 +1,13 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernel rebuilds are supported on stable yet.
+dist-kernel
+
 # Sam James <sam@gentoo.org> (2020-12-22)
 # Not yet stable
 lirc
diff --git a/profiles/arch/arm64/use.mask b/profiles/arch/arm64/use.mask
index 238d22b897cb..3f63db907c71 100644
--- a/profiles/arch/arm64/use.mask
+++ b/profiles/arch/arm64/use.mask
@@ -1,9 +1,13 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Unmask the flag which corresponds to ARCH.
 -arm64
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernels are supported here.
+-dist-kernel
+
 # Sam James <sam@gentoo.org> (2020-10-08)
 # PyPy3 works on arm64
 -python_targets_pypy3
diff --git a/profiles/arch/arm64/use.stable.mask b/profiles/arch/arm64/use.stable.mask
index 4afbfad41647..8ba26c22d2c4 100644
--- a/profiles/arch/arm64/use.stable.mask
+++ b/profiles/arch/arm64/use.stable.mask
@@ -1,9 +1,13 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 #
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernel rebuilds are supported on stable yet.
+dist-kernel
+
 # Sam James <sam@gentoo.org> (2020-12-23)
 # dev-lang/luajit is not yet stable
 lua_single_target_luajit
diff --git a/profiles/arch/base/use.mask b/profiles/arch/base/use.mask
index ba124ae0487a..887839c48153 100644
--- a/profiles/arch/base/use.mask
+++ b/profiles/arch/base/use.mask
@@ -1,6 +1,10 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernels are not supported on all architectures.
+dist-kernel
+
 # Andreas Sturmlechner <asturm@gentoo.org> (2020-06-06)
 # sci-libs/mkl is only supported on specific architectures
 mkl
diff --git a/profiles/arch/powerpc/ppc64/64le/use.mask b/profiles/arch/powerpc/ppc64/64le/use.mask
index abc4d0b9c1bb..e0ecc03fcafd 100644
--- a/profiles/arch/powerpc/ppc64/64le/use.mask
+++ b/profiles/arch/powerpc/ppc64/64le/use.mask
@@ -1,6 +1,10 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernels are supported here.
+-dist-kernel
+
 # Georgy Yakovlev <gyakovlev@gentoo.org (2020-10-16)
 # dev-qt/qtwebengine works on ppc64le
 -webengine
diff --git a/profiles/arch/powerpc/ppc64/64le/use.stable.mask b/profiles/arch/powerpc/ppc64/64le/use.stable.mask
index 1cda5eff1330..4efce43db197 100644
--- a/profiles/arch/powerpc/ppc64/64le/use.stable.mask
+++ b/profiles/arch/powerpc/ppc64/64le/use.stable.mask
@@ -1,6 +1,10 @@
-# Copyright 2019-2020 Gentoo Authors
+# Copyright 2019-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernel rebuilds are supported on stable yet.
+dist-kernel
+
 # Georgy Yakovlev <gyakovlev@gentoo.org> (2020-01-21)
 # works, but deps not stable yet
 vaapi
diff --git a/profiles/arch/x86/use.mask b/profiles/arch/x86/use.mask
index 4b6386ca8b2b..8a86d7306ed6 100644
--- a/profiles/arch/x86/use.mask
+++ b/profiles/arch/x86/use.mask
@@ -1,9 +1,13 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Unmask the flag which corresponds to ARCH.
 -x86
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernels are supported here.
+-dist-kernel
+
 # Andreas Sturmlechner <asturm@gentoo.org> (2020-06-06)
 # sci-libs/mkl works on x86
 -mkl
diff --git a/profiles/arch/x86/use.stable.mask b/profiles/arch/x86/use.stable.mask
index 0e1538cf8877..3b3d1cfe3b17 100644
--- a/profiles/arch/x86/use.stable.mask
+++ b/profiles/arch/x86/use.stable.mask
@@ -1,9 +1,13 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # This file requires eapi 5 or later. New entries go on top.
 # Please use the same syntax as in use.mask
 
+# Michał Górny <mgorny@gentoo.org> (2021-01-07)
+# Prebuilt kernel rebuilds are supported on stable yet.
+dist-kernel
+
 # Sam James <sam@gentoo.org> (2020-11-10)
 # media-gfx/openvdb is not stable on x86
 # ... and has failing tests right now anyway
diff --git a/profiles/use.desc b/profiles/use.desc
index e51db5982020..6ede79cb7845 100644
--- a/profiles/use.desc
+++ b/profiles/use.desc
@@ -1,4 +1,4 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Keep them sorted
@@ -62,6 +62,7 @@ dbus - Enable dbus support for anything that needs it (gpsd, gnomemeeting, etc)
 debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
 dedicated - Add support for dedicated game servers (some packages do not provide clients and servers at the same time)
 dga - Add DGA (Direct Graphic Access) support for X
+dist-kernel - Enable subslot rebuilds on Distribution Kernel upgrades
 djvu - Support DjVu, a PDF-like document format esp. suited for scanned documents
 doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
 dri - Enable direct rendering: used for accelerated 3D and some 2D, like DMA