--- a/libcxx-6.0.1.ebuild	2018-08-07 23:22:18.588066104 +0000
+++ b/libcxx-6.0.1.ebuild	2018-08-08 16:39:40.197601590 +0000
@@ -103,14 +103,11 @@
 		if tc-is-clang; then
 			# get the full library list out of 'pretend mode'
 			# and grep it for libclang_rt references
-			local args=( $($(tc-getCC) -### -x c - 2>&1 | tail -n 1) )
-			local i
-			for i in "${args[@]}"; do
-				if [[ ${i} == *libclang_rt* ]]; then
-					want_gcc_s=OFF
-					extra_libs+=( "${i}" )
-				fi
-			done
+			local compiler_rt=( $($(tc-getCC) -print-libgcc-file-name - 2>&1 ) )
+			if [[ ${compiler-rt} == *libclang_rt* ]]; then
+				want_gcc_s=OFF
+				extra_libs+=( "${compiler-rt}" )
+			fi
 		fi
 	fi