diff --git a/sys-devel/llvm/llvm-3.8.1-r2.ebuild b/sys-devel/llvm/llvm-3.8.1-r2.ebuild
index de892fd0b38e0..7db30d1df19dc 100644
--- a/sys-devel/llvm/llvm-3.8.1-r2.ebuild
+++ b/sys-devel/llvm/llvm-3.8.1-r2.ebuild
@@ -67,10 +67,10 @@ DEPEND="${COMMON_DEPEND}
 	${PYTHON_DEPS}"
 RDEPEND="${COMMON_DEPEND}
 	clang? ( !<=sys-devel/clang-${PV}-r99 )
-	default-libcxx? ( sys-libs/libcxx )
 	abi_x86_32? ( !<=app-emulation/emul-linux-x86-baselibs-20130224-r2
 		!app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)] )"
-PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )"
+PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )
+	default-libcxx? ( sys-libs/libcxx )"
 
 # pypy gives me around 1700 unresolved tests due to open file limit
 # being exceeded. probably GC does not close them fast enough.
diff --git a/sys-devel/llvm/llvm-3.9.0.ebuild b/sys-devel/llvm/llvm-3.9.0.ebuild
index d31007227fc5b..fa91fb5358615 100644
--- a/sys-devel/llvm/llvm-3.9.0.ebuild
+++ b/sys-devel/llvm/llvm-3.9.0.ebuild
@@ -69,10 +69,10 @@ DEPEND="${COMMON_DEPEND}
 	${PYTHON_DEPS}"
 RDEPEND="${COMMON_DEPEND}
 	clang? ( !<=sys-devel/clang-${PV}-r99 )
-	default-libcxx? ( sys-libs/libcxx )
 	abi_x86_32? ( !<=app-emulation/emul-linux-x86-baselibs-20130224-r2
 		!app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)] )"
-PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )"
+PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )
+	default-libcxx? ( sys-libs/libcxx )"
 
 # pypy gives me around 1700 unresolved tests due to open file limit
 # being exceeded. probably GC does not close them fast enough.