diff --git a/libcxx/test/testit b/libcxx/test/testit
index 1833812f6846..9bf1ee0ff9e2 100755
--- a/libcxx/test/testit
+++ b/libcxx/test/testit
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # //===--------------------------- testit ---------------------------------===//
 # //
 # //                     The LLVM Compiler Infrastructure
@@ -67,25 +67,24 @@ UNIMPLEMENTED=0
 IMPLEMENTED_FAIL=0
 IMPLEMENTED_PASS=0
 
-function afunc
-{
+afunc() {
 	fail=0
 	pass=0
-	if (ls *.fail.cpp &> /dev/null)
+	if (ls *.fail.cpp > /dev/null 2>&1)
 	then
 		for FILE in $(ls *.fail.cpp); do
-			if $CC $OPTIONS $HEADER_INCLUDE $SOURCE_LIB $FILE $LIBS -o ./$TEST_EXE &> /dev/null
+			if $CC $OPTIONS $HEADER_INCLUDE $SOURCE_LIB $FILE $LIBS -o ./$TEST_EXE > /dev/null 2>&1
 			then
 				rm ./$TEST_EXE
 				echo "$FILE should not compile"
-				let "fail+=1"
+				fail=$(($fail+1))
 			else
-				let "pass+=1"
+				pass=$(($pass+1))
 			fi
 		done
 	fi
 
-	if (ls *.pass.cpp &> /dev/null)
+	if (ls *.pass.cpp > /dev/null 2>&1)
 	then
 		for FILE in $(ls *.pass.cpp); do
             if [ "$VERBOSE" ]
@@ -97,17 +96,17 @@ function afunc
 				if ./$TEST_EXE
 				then
 					rm ./$TEST_EXE
-					let "pass+=1"
+					pass=$(($pass+1))
 				else
 					echo "`pwd`/$FILE failed at run time"
 					echo "Compile line was:" $CC $OPTIONS $HEADER_INCLUDE $SOURCE_LIB $FILE $LIBS
-					let "fail+=1"
+					fail=$(($fail+1))
 					rm ./$TEST_EXE
 				fi
 			else
 				echo "`pwd`/$FILE failed to compile"
 				echo "Compile line was:" $CC $OPTIONS $HEADER_INCLUDE $SOURCE_LIB $FILE $LIBS
-				let "fail+=1"
+				fail=$(($fail+1))
 			fi
 		done
 	fi
@@ -115,24 +114,24 @@ function afunc
 	if [ $fail -gt 0 ]
 	then
 		echo "failed $fail tests in `pwd`"
-		let "IMPLEMENTED_FAIL+=1"
+		IMPLEMENTED_FAIL=$(($IMPLEMENTED_FAIL+1))
 	fi
 	if [ $pass -gt 0 ]
 	then
 		echo "passed $pass tests in `pwd`"
 		if [ $fail -eq 0 ]
 		then
-			let "IMPLEMENTED_PASS+=1"
+			IMPLEMENTED_PASS=$((IMPLEMENTED_PASS+1))
 		fi
 	fi
 	if [ $fail -eq 0 -a $pass -eq 0 ]
 	then
 		echo "not implemented:  `pwd`"
-		let "UNIMPLEMENTED+=1"
+		UNIMPLEMENTED=$(($UNIMPLEMENTED+1))
 	fi
 
-	let "FAIL+=$fail"
-	let "PASS+=$pass"
+	FAIL=$(($FAIL+$fail))
+	PASS=$(($PASS+$pass))
 
 	for FILE in *
 	do