diff --git a/sys-kernel/linux-headers/linux-headers-3.18.ebuild b/sys-kernel/linux-headers/linux-headers-3.18.ebuild
index bb8a23d384777..47c61a2e5a465 100644
--- a/sys-kernel/linux-headers/linux-headers-3.18.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-3.18.ebuild
@@ -5,7 +5,7 @@ EAPI="4"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 openrisc ppc ppc64 s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.13.ebuild b/sys-kernel/linux-headers/linux-headers-4.13.ebuild
index 5cbda4f8a8274..fcb2f051944fb 100644
--- a/sys-kernel/linux-headers/linux-headers-4.13.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.13.ebuild
@@ -5,7 +5,7 @@ EAPI="5"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.14-r1.ebuild b/sys-kernel/linux-headers/linux-headers-4.14-r1.ebuild
index 61e1e5cdae0d8..a274f2f7ad76c 100644
--- a/sys-kernel/linux-headers/linux-headers-4.14-r1.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.14-r1.ebuild
@@ -5,7 +5,7 @@ EAPI=6
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.15-r1.ebuild b/sys-kernel/linux-headers/linux-headers-4.15-r1.ebuild
index df171ddd3adf0..0a0a492ce1a6f 100644
--- a/sys-kernel/linux-headers/linux-headers-4.15-r1.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.15-r1.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.16-r2.ebuild b/sys-kernel/linux-headers/linux-headers-4.16-r2.ebuild
index 489e945aa9b3b..eb4259ba3fb3d 100644
--- a/sys-kernel/linux-headers/linux-headers-4.16-r2.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.16-r2.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.16.ebuild b/sys-kernel/linux-headers/linux-headers-4.16.ebuild
index bd0729b894f22..3a0450d08cb82 100644
--- a/sys-kernel/linux-headers/linux-headers-4.16.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.16.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.17.ebuild b/sys-kernel/linux-headers/linux-headers-4.17.ebuild
index c08c3146c70f6..3482c85dc92cd 100644
--- a/sys-kernel/linux-headers/linux-headers-4.17.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.17.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.18.ebuild b/sys-kernel/linux-headers/linux-headers-4.18.ebuild
index 4ba2b3f3e6a73..658a4cadac2b7 100644
--- a/sys-kernel/linux-headers/linux-headers-4.18.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.18.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.19.ebuild b/sys-kernel/linux-headers/linux-headers-4.19.ebuild
index aa81e1ea0e284..a8acb7e3a0d5e 100644
--- a/sys-kernel/linux-headers/linux-headers-4.19.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.19.ebuild
@@ -5,7 +5,7 @@ EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.20.ebuild b/sys-kernel/linux-headers/linux-headers-4.20.ebuild
index 4ba2b3f3e6a73..658a4cadac2b7 100644
--- a/sys-kernel/linux-headers/linux-headers-4.20.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.20.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.4.ebuild b/sys-kernel/linux-headers/linux-headers-4.4.ebuild
index 30aed30997fdd..77d8cd3d3c91f 100644
--- a/sys-kernel/linux-headers/linux-headers-4.4.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.4.ebuild
@@ -5,7 +5,7 @@ EAPI="4"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-4.9.ebuild b/sys-kernel/linux-headers/linux-headers-4.9.ebuild
index aad465ecf6e77..723df9a5a455f 100644
--- a/sys-kernel/linux-headers/linux-headers-4.9.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-4.9.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="5"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 bfin cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 s390 score sh sparc tile x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-5.0-r1.ebuild b/sys-kernel/linux-headers/linux-headers-5.0-r1.ebuild
index d841aa5a06e6c..6a1fe7168b7a2 100644
--- a/sys-kernel/linux-headers/linux-headers-5.0-r1.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.0-r1.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-5.0.ebuild b/sys-kernel/linux-headers/linux-headers-5.0.ebuild
index 4ba2b3f3e6a73..658a4cadac2b7 100644
--- a/sys-kernel/linux-headers/linux-headers-5.0.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.0.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-5.1.ebuild b/sys-kernel/linux-headers/linux-headers-5.1.ebuild
index fcf1ccad796dc..b7c0a89a49520 100644
--- a/sys-kernel/linux-headers/linux-headers-5.1.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.1.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-5.2.ebuild b/sys-kernel/linux-headers/linux-headers-5.2.ebuild
index fcf1ccad796dc..b7c0a89a49520 100644
--- a/sys-kernel/linux-headers/linux-headers-5.2.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.2.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_VER="1"
diff --git a/sys-kernel/linux-headers/linux-headers-5.3-r1.ebuild b/sys-kernel/linux-headers/linux-headers-5.3-r1.ebuild
index cbe3a301bd3cf..104fec4685063 100644
--- a/sys-kernel/linux-headers/linux-headers-5.3-r1.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.3-r1.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_PV=${PV} # to ease testing new versions against not existing patches
diff --git a/sys-kernel/linux-headers/linux-headers-5.3.ebuild b/sys-kernel/linux-headers/linux-headers-5.3.ebuild
index c9062470d4f5a..d6ff088b02fec 100644
--- a/sys-kernel/linux-headers/linux-headers-5.3.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.3.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_PV=${PV} # to ease testing new versions against not existing patches
diff --git a/sys-kernel/linux-headers/linux-headers-5.4.ebuild b/sys-kernel/linux-headers/linux-headers-5.4.ebuild
index ef2cb24452487..910d86b229b5a 100644
--- a/sys-kernel/linux-headers/linux-headers-5.4.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.4.ebuild
@@ -1,11 +1,11 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_PV=${PV} # to ease testing new versions against not existing patches
diff --git a/sys-kernel/linux-headers/linux-headers-5.5.ebuild b/sys-kernel/linux-headers/linux-headers-5.5.ebuild
index 72eea6bf7d3c7..910d86b229b5a 100644
--- a/sys-kernel/linux-headers/linux-headers-5.5.ebuild
+++ b/sys-kernel/linux-headers/linux-headers-5.5.ebuild
@@ -5,7 +5,7 @@ EAPI="6"
 
 ETYPE="headers"
 H_SUPPORTEDARCH="alpha amd64 arc arm arm64 avr32 cris frv hexagon hppa ia64 m32r m68k metag microblaze mips mn10300 nios2 openrisc ppc ppc64 riscv s390 score sh sparc x86 xtensa"
-inherit kernel-2
+inherit kernel-2 toolchain-funcs
 detect_version
 
 PATCH_PV=${PV} # to ease testing new versions against not existing patches