diff --git a/sys-kernel/backbone-sources/backbone-sources-3.10.108.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.10.108.ebuild
index 88800194..c52972cf 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.10.108.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.10.108.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.11.10-r3.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.11.10-r3.ebuild
index a64f1367..bdce0c5d 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.11.10-r3.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.11.10-r3.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.12.74.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.12.74.ebuild
index 8528b851..543c9c4d 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.12.74.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.12.74.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.13.11-r4.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.13.11-r4.ebuild
index 996e12f8..95c81b20 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.13.11-r4.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.13.11-r4.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.14.79.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.14.79.ebuild
index 890d6745..e5f1ac08 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.14.79.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.14.79.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.15.10-r3.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.15.10-r3.ebuild
index 2772b8cc..a314ef11 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.15.10-r3.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.15.10-r3.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.16.69.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.16.69.ebuild
index 677eef6e..c998138d 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.16.69.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.16.69.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.17.8-r1.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.17.8-r1.ebuild
index 270d7930..08f21f53 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.17.8-r1.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.17.8-r1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.18.140.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.18.140.ebuild
index dc1f8886..742a1915 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.18.140.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.18.140.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-3.19.8.ebuild b/sys-kernel/backbone-sources/backbone-sources-3.19.8.ebuild
index 8fef414d..508f2fad 100644
--- a/sys-kernel/backbone-sources/backbone-sources-3.19.8.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-3.19.8.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.0.9-r3.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.0.9-r3.ebuild
index 3a4edc99..64f7ac53 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.0.9-r3.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.0.9-r3.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.1.52.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.1.52.ebuild
index 4e818925..f413dd17 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.1.52.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.1.52.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.10.17.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.10.17.ebuild
index f0bc7b4f..185640e1 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.10.17.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.10.17.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.11.12.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.11.12.ebuild
index 32c31727..3e6c6fd4 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.11.12.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.11.12.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.12.14-r2.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.12.14-r2.ebuild
index 81ae0651..6c288a6c 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.12.14-r2.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.12.14-r2.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.13.16.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.13.16.ebuild
index 05afa7a7..083ad5ee 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.13.16.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.13.16.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.14.132.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.14.132.ebuild
index 3225d23c..e0e465f9 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.14.132.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.14.132.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.15.18-r2.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.15.18-r2.ebuild
index 3df39f4d..4fa77904 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.15.18-r2.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.15.18-r2.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.16.18-r2.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.16.18-r2.ebuild
index 5e1b96d9..abcf9b79 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.16.18-r2.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.16.18-r2.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.17.19-r1.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.17.19-r1.ebuild
index 7c7a3bbf..4cc32250 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.17.19-r1.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.17.19-r1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.18.20-r1.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.18.20-r1.ebuild
index 73ef05f8..2d011605 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.18.20-r1.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.18.20-r1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.19.57.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.19.57.ebuild
index 5794f660..16e3afef 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.19.57.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.19.57.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.2.8.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.2.8.ebuild
index c3789ab3..73897e5a 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.2.8.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.2.8.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.20.17.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.20.17.ebuild
index c75b8139..d240f89d 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.20.17.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.20.17.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.3.6.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.3.6.ebuild
index 621777a8..691cc607 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.3.6.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.3.6.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.4.184.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.4.184.ebuild
index 933496dc..04893493 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.4.184.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.4.184.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.7.10.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.7.10.ebuild
index ee6d76e9..96401678 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.7.10.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.7.10.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.8.17.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.8.17.ebuild
index 24e62536..69b95f04 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.8.17.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.8.17.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-4.9.184.ebuild b/sys-kernel/backbone-sources/backbone-sources-4.9.184.ebuild
index 357632f9..b0464246 100644
--- a/sys-kernel/backbone-sources/backbone-sources-4.9.184.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-4.9.184.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-5.0.21.ebuild b/sys-kernel/backbone-sources/backbone-sources-5.0.21.ebuild
index acbe7de7..619049bb 100644
--- a/sys-kernel/backbone-sources/backbone-sources-5.0.21.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-5.0.21.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/backbone-sources/backbone-sources-5.1.16.ebuild b/sys-kernel/backbone-sources/backbone-sources-5.1.16.ebuild
index 7c0e5dc3..75ba3ed8 100644
--- a/sys-kernel/backbone-sources/backbone-sources-5.1.16.ebuild
+++ b/sys-kernel/backbone-sources/backbone-sources-5.1.16.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version
diff --git a/sys-kernel/gentoo-sources/gentoo-sources-4.19.138.ebuild b/sys-kernel/gentoo-sources/gentoo-sources-4.19.138.ebuild
index 08bd1828..406c39f0 100644
--- a/sys-kernel/gentoo-sources/gentoo-sources-4.19.138.ebuild
+++ b/sys-kernel/gentoo-sources/gentoo-sources-4.19.138.ebuild
@@ -1,7 +1,7 @@
 # Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 K_WANT_GENPATCHES="base extras experimental"
 K_GENPATCHES_VER="136"
diff --git a/sys-kernel/minipli-sources/minipli-sources-4.9.74.ebuild b/sys-kernel/minipli-sources/minipli-sources-4.9.74.ebuild
index e7fbad65..53d43085 100644
--- a/sys-kernel/minipli-sources/minipli-sources-4.9.74.ebuild
+++ b/sys-kernel/minipli-sources/minipli-sources-4.9.74.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
-EAPI="6"
+EAPI="8"
 ETYPE="sources"
 inherit kernel-2
 detect_version