diff --git a/sys-devel/gcc/gcc-10.5.0.ebuild b/sys-devel/gcc/gcc-10.5.0.ebuild
index 99bf372fe1154..886019dca3e59 100644
--- a/sys-devel/gcc/gcc-10.5.0.ebuild
+++ b/sys-devel/gcc/gcc-10.5.0.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="10.5.0"
diff --git a/sys-devel/gcc/gcc-11.5.0.ebuild b/sys-devel/gcc/gcc-11.5.0.ebuild
index 5ba99978c4768..477eb3fd96aca 100644
--- a/sys-devel/gcc/gcc-11.5.0.ebuild
+++ b/sys-devel/gcc/gcc-11.5.0.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="11.5.0"
diff --git a/sys-devel/gcc/gcc-12.4.0.ebuild b/sys-devel/gcc/gcc-12.4.0.ebuild
index 0be214e9c0403..8198fc49dbb4f 100644
--- a/sys-devel/gcc/gcc-12.4.0.ebuild
+++ b/sys-devel/gcc/gcc-12.4.0.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="12.4.0"
diff --git a/sys-devel/gcc/gcc-12.4.1_p20241219.ebuild b/sys-devel/gcc/gcc-12.4.1_p20241219.ebuild
index 95cfd10b5c146..bc4c233455e36 100644
--- a/sys-devel/gcc/gcc-12.4.1_p20241219.ebuild
+++ b/sys-devel/gcc/gcc-12.4.1_p20241219.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="12.4.0"
diff --git a/sys-devel/gcc/gcc-12.4.1_p20250227.ebuild b/sys-devel/gcc/gcc-12.4.1_p20250227.ebuild
index fd30643c8d534..abbfb04944b8b 100644
--- a/sys-devel/gcc/gcc-12.4.1_p20250227.ebuild
+++ b/sys-devel/gcc/gcc-12.4.1_p20250227.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="12.4.0"
diff --git a/sys-devel/gcc/gcc-12.4.1_p20250320.ebuild b/sys-devel/gcc/gcc-12.4.1_p20250320.ebuild
index 76bdbb1760682..1e4993aa40d04 100644
--- a/sys-devel/gcc/gcc-12.4.1_p20250320.ebuild
+++ b/sys-devel/gcc/gcc-12.4.1_p20250320.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="12.4.0"
diff --git a/sys-devel/gcc/gcc-12.4.1_p20250327.ebuild b/sys-devel/gcc/gcc-12.4.1_p20250327.ebuild
index 76bdbb1760682..1e4993aa40d04 100644
--- a/sys-devel/gcc/gcc-12.4.1_p20250327.ebuild
+++ b/sys-devel/gcc/gcc-12.4.1_p20250327.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="12.4.0"
diff --git a/sys-devel/gcc/gcc-12.5.9999.ebuild b/sys-devel/gcc/gcc-12.5.9999.ebuild
index d85e065cd1304..8e7542f313af5 100644
--- a/sys-devel/gcc/gcc-12.5.9999.ebuild
+++ b/sys-devel/gcc/gcc-12.5.9999.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="12.4.0"
diff --git a/sys-devel/gcc/gcc-13.2.0.ebuild b/sys-devel/gcc/gcc-13.2.0.ebuild
index d72c2588ff9e6..51f50a6419e8a 100644
--- a/sys-devel/gcc/gcc-13.2.0.ebuild
+++ b/sys-devel/gcc/gcc-13.2.0.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 PYTHON_COMPAT=( python3_{10..13} )
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
diff --git a/sys-devel/gcc/gcc-13.3.1_p20241220.ebuild b/sys-devel/gcc/gcc-13.3.1_p20241220.ebuild
index edfef155069c3..716039677f5e6 100644
--- a/sys-devel/gcc/gcc-13.3.1_p20241220.ebuild
+++ b/sys-devel/gcc/gcc-13.3.1_p20241220.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="13.3.0"
diff --git a/sys-devel/gcc/gcc-13.3.1_p20250301.ebuild b/sys-devel/gcc/gcc-13.3.1_p20250301.ebuild
index 4029cad2d0605..7969b89177cc1 100644
--- a/sys-devel/gcc/gcc-13.3.1_p20250301.ebuild
+++ b/sys-devel/gcc/gcc-13.3.1_p20250301.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="13.3.0"
diff --git a/sys-devel/gcc/gcc-13.3.1_p20250321.ebuild b/sys-devel/gcc/gcc-13.3.1_p20250321.ebuild
index 38de5cbe64247..bdc9b8c2e5b6f 100644
--- a/sys-devel/gcc/gcc-13.3.1_p20250321.ebuild
+++ b/sys-devel/gcc/gcc-13.3.1_p20250321.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="13.3.0"
diff --git a/sys-devel/gcc/gcc-13.3.1_p20250328.ebuild b/sys-devel/gcc/gcc-13.3.1_p20250328.ebuild
index 38de5cbe64247..bdc9b8c2e5b6f 100644
--- a/sys-devel/gcc/gcc-13.3.1_p20250328.ebuild
+++ b/sys-devel/gcc/gcc-13.3.1_p20250328.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="13.3.0"
diff --git a/sys-devel/gcc/gcc-13.4.9999.ebuild b/sys-devel/gcc/gcc-13.4.9999.ebuild
index 2c63f6165e7fd..1de90381b6316 100644
--- a/sys-devel/gcc/gcc-13.4.9999.ebuild
+++ b/sys-devel/gcc/gcc-13.4.9999.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="13.3.0"
diff --git a/sys-devel/gcc/gcc-14.2.1_p20241221.ebuild b/sys-devel/gcc/gcc-14.2.1_p20241221.ebuild
index df1147fa0bb4c..4e0e4421fa08a 100644
--- a/sys-devel/gcc/gcc-14.2.1_p20241221.ebuild
+++ b/sys-devel/gcc/gcc-14.2.1_p20241221.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="14.2.0"
diff --git a/sys-devel/gcc/gcc-14.2.1_p20250301.ebuild b/sys-devel/gcc/gcc-14.2.1_p20250301.ebuild
index 47a10f1edee0c..a2ede76ffc5f2 100644
--- a/sys-devel/gcc/gcc-14.2.1_p20250301.ebuild
+++ b/sys-devel/gcc/gcc-14.2.1_p20250301.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="14.2.0"
diff --git a/sys-devel/gcc/gcc-14.2.1_p20250322.ebuild b/sys-devel/gcc/gcc-14.2.1_p20250322.ebuild
index b5ae50b50a456..d405a1386bd4a 100644
--- a/sys-devel/gcc/gcc-14.2.1_p20250322.ebuild
+++ b/sys-devel/gcc/gcc-14.2.1_p20250322.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="14.2.0"
diff --git a/sys-devel/gcc/gcc-14.2.1_p20250329.ebuild b/sys-devel/gcc/gcc-14.2.1_p20250329.ebuild
index b5ae50b50a456..d405a1386bd4a 100644
--- a/sys-devel/gcc/gcc-14.2.1_p20250329.ebuild
+++ b/sys-devel/gcc/gcc-14.2.1_p20250329.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="14.2.0"
diff --git a/sys-devel/gcc/gcc-14.3.9999.ebuild b/sys-devel/gcc/gcc-14.3.9999.ebuild
index fb406bea1fb58..0465a3f8e64cb 100644
--- a/sys-devel/gcc/gcc-14.3.9999.ebuild
+++ b/sys-devel/gcc/gcc-14.3.9999.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="14.2.0"
diff --git a/sys-devel/gcc/gcc-15.0.1_pre20250323-r1.ebuild b/sys-devel/gcc/gcc-15.0.1_pre20250323-r1.ebuild
index ca63b7ee17dc7..2a59abeeb80cc 100644
--- a/sys-devel/gcc/gcc-15.0.1_pre20250323-r1.ebuild
+++ b/sys-devel/gcc/gcc-15.0.1_pre20250323-r1.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="15.0.0"
diff --git a/sys-devel/gcc/gcc-15.0.1_pre20250330-r1.ebuild b/sys-devel/gcc/gcc-15.0.1_pre20250330-r1.ebuild
index 795b82277a85b..f51cba8957f7f 100644
--- a/sys-devel/gcc/gcc-15.0.1_pre20250330-r1.ebuild
+++ b/sys-devel/gcc/gcc-15.0.1_pre20250330-r1.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="15.0.0"
diff --git a/sys-devel/gcc/gcc-15.0.1_pre20250330.ebuild b/sys-devel/gcc/gcc-15.0.1_pre20250330.ebuild
index 9b27f5b51d0a9..8a87e0ec2f081 100644
--- a/sys-devel/gcc/gcc-15.0.1_pre20250330.ebuild
+++ b/sys-devel/gcc/gcc-15.0.1_pre20250330.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="15.0.0"
diff --git a/sys-devel/gcc/gcc-15.0.9999.ebuild b/sys-devel/gcc/gcc-15.0.9999.ebuild
index 62a72284c2a3c..a6edd9dc968fb 100644
--- a/sys-devel/gcc/gcc-15.0.9999.ebuild
+++ b/sys-devel/gcc/gcc-15.0.9999.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="15.0.0"
diff --git a/sys-devel/gcc/gcc-8.5.0-r2.ebuild b/sys-devel/gcc/gcc-8.5.0-r2.ebuild
index 9ea771d35d78d..650d49559b88a 100644
--- a/sys-devel/gcc/gcc-8.5.0-r2.ebuild
+++ b/sys-devel/gcc/gcc-8.5.0-r2.ebuild
@@ -3,6 +3,9 @@
 
 EAPI="8"
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_SUFFIX="xz"
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
diff --git a/sys-devel/gcc/gcc-9.5.0.ebuild b/sys-devel/gcc/gcc-9.5.0.ebuild
index 2123f87727acb..a38688e620b57 100644
--- a/sys-devel/gcc/gcc-9.5.0.ebuild
+++ b/sys-devel/gcc/gcc-9.5.0.ebuild
@@ -3,6 +3,9 @@
 
 EAPI=8
 
+# Maintenance notes and explanations of GCC handling are on the wiki:
+# https://wiki.gentoo.org/wiki/Project:Toolchain/sys-devel/gcc
+
 TOOLCHAIN_PATCH_DEV="sam"
 TOOLCHAIN_HAS_TESTS=1
 PATCH_GCC_VER="9.5.0"