diff --git a/dev-db/mongodb/files/mongodb-6.0.19-mozjs-remove-unused-constructor.patch b/dev-db/mongodb/files/mongodb-6.0.19-mozjs-remove-unused-constructor.patch
new file mode 100644
index 0000000..372c2f5
--- /dev/null
+++ b/dev-db/mongodb/files/mongodb-6.0.19-mozjs-remove-unused-constructor.patch
@@ -0,0 +1,23 @@
+https://phabricator.services.mozilla.com/D209108
+https://github.com/mozilla/gecko-dev/commit/33cdc6655b0de44cb7a431216dcbb0d5a552aec6
+
+clang 19 will report error if w/o this patch:
+
+  src/third_party/mozjs/extract/js/src/threading/ExclusiveData.h:113:29: error: reference to non-static member function must be called
+
+diff --git a/src/third_party/mozjs/extract/js/src/threading/ExclusiveData.h b/src/third_party/mozjs/extract/js/src/threading/ExclusiveData.h
+index c43cd1797ca..c401797fafd 100644
+--- a/src/third_party/mozjs/extract/js/src/threading/ExclusiveData.h
++++ b/src/third_party/mozjs/extract/js/src/threading/ExclusiveData.h
+@@ -109,11 +109,6 @@ class ExclusiveData {
+   explicit ExclusiveData(const MutexId& id, Args&&... args)
+       : lock_(id), value_(std::forward<Args>(args)...) {}
+ 
+-  ExclusiveData(ExclusiveData&& rhs)
+-      : lock_(std::move(rhs.lock)), value_(std::move(rhs.value_)) {
+-    MOZ_ASSERT(&rhs != this, "self-move disallowed!");
+-  }
+-
+   ExclusiveData& operator=(ExclusiveData&& rhs) {
+     this->~ExclusiveData();
+     new (mozilla::KnownNotNull, this) ExclusiveData(std::move(rhs));
diff --git a/dev-db/mongodb/mongodb-6.0.19.ebuild b/dev-db/mongodb/mongodb-6.0.19.ebuild
index d531103..d4a2da9 100644
--- a/dev-db/mongodb/mongodb-6.0.19.ebuild
+++ b/dev-db/mongodb/mongodb-6.0.19.ebuild
@@ -76,7 +76,7 @@ PATCHES=(
 	"${FILESDIR}/${PN}-6.0.18-boost-1.85.patch"
 	"${FILESDIR}/${PN}-5.0.30-gcc-15.patch"
 	"${FILESDIR}/${PN}-5.0.26-scons.patch"
-	"${FILESDIR}/${PN}-5.0.26-mozjs-remove-unused-constructor.patch"
+	"${FILESDIR}/${PN}-6.0.19-mozjs-remove-unused-constructor.patch"
 )
 
 python_check_deps() {
@@ -123,6 +123,11 @@ src_configure() {
 	# --use-system-tcmalloc is strongly NOT recommended:
 	# for MONGO_GIT_HASH use GitOrigin-RevId from the commit of the tag
 	scons_opts=(
+		AR="$(tc-getAR)"
+		CC="$(tc-getCC)"
+		CXX="$(tc-getCXX)"
+		CCFLAGS="${CXXFLAGS}"
+
 		VERBOSE=1
 		VARIANT_DIR=gentoo
 		MONGO_VERSION="${PV}"
diff --git a/dev-db/mongodb/mongodb-7.0.15.ebuild b/dev-db/mongodb/mongodb-7.0.15.ebuild
index 3f6226b..550b1e1 100644
--- a/dev-db/mongodb/mongodb-7.0.15.ebuild
+++ b/dev-db/mongodb/mongodb-7.0.15.ebuild
@@ -69,7 +69,7 @@ PATCHES=(
 	"${FILESDIR}/${PN}-7.0.15-system-boost.patch"
 	"${FILESDIR}/${PN}-7.0.15-gcc-15.patch"
 	"${FILESDIR}/${PN}-5.0.26-scons.patch"
-	"${FILESDIR}/${PN}-5.0.26-mozjs-remove-unused-constructor.patch"
+	"${FILESDIR}/${PN}-6.0.19-mozjs-remove-unused-constructor.patch"
 )
 
 python_check_deps() {
@@ -116,6 +116,11 @@ src_configure() {
 	# --use-system-tcmalloc is strongly NOT recommended:
 	# for MONGO_GIT_HASH use GitOrigin-RevId from the commit of the tag
 	scons_opts=(
+		AR="$(tc-getAR)"
+		CC="$(tc-getCC)"
+		CXX="$(tc-getCXX)"
+		CCFLAGS="${CXXFLAGS}"
+
 		VERBOSE=1
 		VARIANT_DIR=gentoo
 		MONGO_VERSION="${PV}"