diff --git a/dev-qt/qtbase/files/qtbase-6.9.0-no-direct-extern-access.patch b/dev-qt/qtbase/files/qtbase-6.9.0-no-direct-extern-access.patch
new file mode 100644
index 0000000000000..89c8dd5068ae5
--- /dev/null
+++ b/dev-qt/qtbase/files/qtbase-6.9.0-no-direct-extern-access.patch
@@ -0,0 +1,9 @@
+Re-allow auto-detect rather than do =ON to ensure the toolchain supports it.
+https://bugs.gentoo.org/754021
+https://github.com/qt/qtbase/commit/48675dfa3 (revert of)
+--- a/configure.cmake
++++ b/configure.cmake
+@@ -784,3 +784,2 @@
+     CONDITION NOT WIN32 AND TEST_no_direct_extern_access
+-    AUTODETECT OFF
+ )
diff --git a/dev-qt/qtbase/qtbase-6.9.0.ebuild b/dev-qt/qtbase/qtbase-6.9.0-r1.ebuild
similarity index 99%
rename from dev-qt/qtbase/qtbase-6.9.0.ebuild
rename to dev-qt/qtbase/qtbase-6.9.0-r1.ebuild
index ae86336ee73cb..75e08fb7ef893 100644
--- a/dev-qt/qtbase/qtbase-6.9.0.ebuild
+++ b/dev-qt/qtbase/qtbase-6.9.0-r1.ebuild
@@ -146,6 +146,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-6.6.1-forkfd-childstack-size.patch
 	"${FILESDIR}"/${PN}-6.6.3-gcc14-avx512fp16.patch
 	"${FILESDIR}"/${PN}-6.8.2-cross.patch
+	"${FILESDIR}"/${PN}-6.9.0-no-direct-extern-access.patch
 )
 
 src_prepare() {
diff --git a/dev-qt/qtbase/qtbase-6.9.9999.ebuild b/dev-qt/qtbase/qtbase-6.9.9999.ebuild
index ae86336ee73cb..75e08fb7ef893 100644
--- a/dev-qt/qtbase/qtbase-6.9.9999.ebuild
+++ b/dev-qt/qtbase/qtbase-6.9.9999.ebuild
@@ -146,6 +146,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-6.6.1-forkfd-childstack-size.patch
 	"${FILESDIR}"/${PN}-6.6.3-gcc14-avx512fp16.patch
 	"${FILESDIR}"/${PN}-6.8.2-cross.patch
+	"${FILESDIR}"/${PN}-6.9.0-no-direct-extern-access.patch
 )
 
 src_prepare() {
diff --git a/dev-qt/qtbase/qtbase-6.9999.ebuild b/dev-qt/qtbase/qtbase-6.9999.ebuild
index ae86336ee73cb..75e08fb7ef893 100644
--- a/dev-qt/qtbase/qtbase-6.9999.ebuild
+++ b/dev-qt/qtbase/qtbase-6.9999.ebuild
@@ -146,6 +146,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-6.6.1-forkfd-childstack-size.patch
 	"${FILESDIR}"/${PN}-6.6.3-gcc14-avx512fp16.patch
 	"${FILESDIR}"/${PN}-6.8.2-cross.patch
+	"${FILESDIR}"/${PN}-6.9.0-no-direct-extern-access.patch
 )
 
 src_prepare() {