diff --git a/dev-util/lldb/lldb-6.0.9999.ebuild b/dev-util/lldb/lldb-6.0.9999.ebuild
index 6d4a7f298bb44..b71a6bf3bc31e 100644
--- a/dev-util/lldb/lldb-6.0.9999.ebuild
+++ b/dev-util/lldb/lldb-6.0.9999.ebuild
@@ -8,7 +8,8 @@ EAPI=6
 CMAKE_MIN_VERSION=3.7.0-r1
 PYTHON_COMPAT=( python2_7 )
 
-inherit cmake-utils git-r3 llvm python-single-r1 toolchain-funcs
+inherit cmake-utils git-r3 llvm multiprocessing python-single-r1 \
+	toolchain-funcs
 
 DESCRIPTION="The LLVM debugger"
 HOMEPAGE="https://llvm.org/"
@@ -91,7 +92,7 @@ src_configure() {
 
 		-DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
 		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-		-DLLVM_LIT_ARGS="-vv"
+		-DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}"
 	)
 
 	cmake-utils_src_configure
diff --git a/dev-util/lldb/lldb-9999.ebuild b/dev-util/lldb/lldb-9999.ebuild
index 7e422adecfd20..077232dbf5fc5 100644
--- a/dev-util/lldb/lldb-9999.ebuild
+++ b/dev-util/lldb/lldb-9999.ebuild
@@ -8,7 +8,8 @@ EAPI=6
 CMAKE_MIN_VERSION=3.7.0-r1
 PYTHON_COMPAT=( python2_7 )
 
-inherit cmake-utils git-r3 llvm python-single-r1 toolchain-funcs
+inherit cmake-utils git-r3 llvm multiprocessing python-single-r1 \
+	toolchain-funcs
 
 DESCRIPTION="The LLVM debugger"
 HOMEPAGE="https://llvm.org/"
@@ -90,7 +91,7 @@ src_configure() {
 
 		-DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
 		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
-		-DLLVM_LIT_ARGS="-vv"
+		-DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}"
 	)
 
 	cmake-utils_src_configure