diff --git a/Unreal/Environments/Blocks/clean.sh b/Unreal/Environments/Blocks/clean.sh
index efaf866687..18c2d9a0b2 100755
--- a/Unreal/Environments/Blocks/clean.sh
+++ b/Unreal/Environments/Blocks/clean.sh
@@ -2,9 +2,10 @@
 
 # get path of current script: https://stackoverflow.com/a/39340259/207661
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-pushd "$SCRIPT_DIR"
+pushd "$SCRIPT_DIR" >/dev/null
 
 set -e
+set -x
 
 # clean temporary unreal folders
 rm -rf Binaries
@@ -14,4 +15,4 @@ rm -rf Plugins/AirSim/Binaries
 rm -rf Plugins/AirSim/Intermediate
 rm -rf Plugins/AirSim/Saved
 
-popd
\ No newline at end of file
+popd >/dev/null
\ No newline at end of file
diff --git a/Unreal/Environments/Blocks/update_from_git.sh b/Unreal/Environments/Blocks/update_from_git.sh
index 2f57806129..ff3a993c59 100755
--- a/Unreal/Environments/Blocks/update_from_git.sh
+++ b/Unreal/Environments/Blocks/update_from_git.sh
@@ -2,12 +2,12 @@
 
 # get path of current script: https://stackoverflow.com/a/39340259/207661
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-pushd "$SCRIPT_DIR"
+pushd "$SCRIPT_DIR" >/dev/null
 
 set -e
-set +x
+set -x
 
 rsync -a  --exclude 'temp' --delete ../../Plugins/AirSim Plugins/AirSim
 rsync -a  --exclude 'temp' --delete ../../../AirLib Plugins/AirSim/Source/AirLib
 
-popd
\ No newline at end of file
+popd >/dev/null
\ No newline at end of file
diff --git a/build.sh b/build.sh
index 25e551b55c..52546fc3e2 100755
--- a/build.sh
+++ b/build.sh
@@ -2,7 +2,7 @@
 
 # get path of current script: https://stackoverflow.com/a/39340259/207661
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-pushd "$SCRIPT_DIR"
+pushd "$SCRIPT_DIR"  >/dev/null
 
 set -e
 set -x
@@ -46,19 +46,19 @@ fi
 
 if [[ ! -d $build_dir ]]; then
 	mkdir -p $build_dir
-	pushd $build_dir
+	pushd $build_dir  >/dev/null
 
 	cmake ../cmake -DCMAKE_BUILD_TYPE=Debug \
-		|| (cd .. && rm -r $build_dir && exit 1)
-	popd &>/dev/null
+		|| (popd && rm -r $build_dir && exit 1)
+	popd >/dev/null
 fi
 
-pushd $build_dir
+pushd $build_dir  >/dev/null
 # final linking of the binaries can fail due to a missing libc++abi library
 # (happens on Fedora, see https://bugzilla.redhat.com/show_bug.cgi?id=1332306).
 # So we only build the libraries here for now
 make 
-popd &>/dev/null
+popd >/dev/null
 
 
 mkdir -p AirLib/lib/x64/Debug
@@ -94,4 +94,4 @@ echo "https://github.com/Microsoft/AirSim/blob/master/docs/linux_build.md"
 echo "=================================================================="
 
 
-popd
+popd >/dev/null
diff --git a/clean.sh b/clean.sh
index 892d9a3dd6..136d670e68 100755
--- a/clean.sh
+++ b/clean.sh
@@ -2,7 +2,7 @@
 
 # get path of current script: https://stackoverflow.com/a/39340259/207661
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-pushd "$SCRIPT_DIR"
+pushd "$SCRIPT_DIR" >/dev/null
 
 set -e
 set +x
@@ -11,4 +11,4 @@ rm -rf build_debug
 rm -rf build_release
 rm -rf cmake/output
 
-popd
\ No newline at end of file
+popd >/dev/null
\ No newline at end of file
diff --git a/cmake/cmake-modules/CommonSetup.cmake b/cmake/cmake-modules/CommonSetup.cmake
index 35fdd3f2da..5e86a19879 100644
--- a/cmake/cmake-modules/CommonSetup.cmake
+++ b/cmake/cmake-modules/CommonSetup.cmake
@@ -71,12 +71,12 @@ macro(CommonSetup)
             if (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
                 # make sure to match the compiler flags with which the Unreal
                 # Engine is built with
-                set(CMAKE_EXE_LINKER_FLAGS "\
-                    ${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -lc++ -lc++abi -lm -lc -lgcc_s -lgcc -ldl \
-                    -Wl,-rpath,${LIBCXX_LIB_PATH}")
                 set(CMAKE_CXX_FLAGS "\
                     -nostdinc++ -isystem ${LIBCXX_INC_PATH} \
                     -D__CLANG__ ${CMAKE_CXX_FLAGS}")
+                set(CMAKE_EXE_LINKER_FLAGS "\
+                    ${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -lc++ -lc++abi -lm -lc -lgcc_s -lgcc -ldl \
+                    -L ${LIBCXX_LIB_PATH}")
                 set(CXX_EXP_LIB "-lc++experimental")
 
                 if("${BUILD_TYPE}" STREQUAL "debug")
diff --git a/setup.sh b/setup.sh
index 671963e0ec..3e8bc37d0e 100755
--- a/setup.sh
+++ b/setup.sh
@@ -4,7 +4,7 @@ set -x
 set -e
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-pushd "$SCRIPT_DIR"
+pushd "$SCRIPT_DIR" >/dev/null
 
 #get sub modules
 git submodule update --init --recursive
@@ -28,7 +28,8 @@ fi
 
 #build libc++
 sudo rm -rf llvm-build
-mkdir llvm-build && cd llvm-build
+mkdir -p llvm-build
+pushd llvm-build >/dev/null
 
 export C_COMPILER=clang-3.9
 export COMPILER=clang++-3.9
@@ -43,6 +44,8 @@ make cxx
 #install libc++ locally in output folder
 sudo make install-libcxx install-libcxxabi 
 
+popd >/dev/null
+
 #install EIGEN library
 if [[ -z "${EIGEN_ROOT}" ]] || [[ ! -d eigen ]]; then 
 	echo "EIGEN_ROOT variable is not set"
@@ -50,15 +53,15 @@ if [[ -z "${EIGEN_ROOT}" ]] || [[ ! -d eigen ]]; then
 		echo "downloading eigen..."
 		wget http://bitbucket.org/eigen/eigen/get/3.3.2.zip
 		unzip 3.3.2.zip -d eigen
-		pushd eigen
+		pushd eigen >/dev/null
 		mv eigen* eigen3
 		echo "3.3.2" > version
-		popd &>/dev/null
+		popd >/dev/null
 		rm 3.3.2.zip
 	fi
 fi
 
-popd
+popd >/dev/null
 
 set +x
 echo ""