diff --git a/build_compiz++ b/build_compiz++
index 193db2a..4b708ab 100755
--- a/build_compiz++
+++ b/build_compiz++
@@ -4,18 +4,6 @@
 #   A script to build compiz++ by Scott Moreau oreaus@gmail.com
 # ***************************************************************
 
-# Make sure we're being ran in bash
-if [[ -z "$BASH_VERSION" ]]; then
-   echo "Please run this script in a bash environment."
-   exit 1
-fi
-
-# Don't run it as root
-if [[ "$EUID" = 0 ]]; then
-   echo "Run as user, without $SUDO and not as root."
-   exit 1
-fi
-
 echo
 echo
 echo "*****************************"
@@ -158,7 +146,7 @@ fi
 
 # The script is designed to only use escalated permissions
 # when installing components if $PREFIX is outside of $HOME
-if [[ $PREFIX = "$HOME"* ]]; then
+if [[ $PREFIX = "$HOME"* ]] || [[ $PREFIX = "/tmp"* ]]; then
     unset SUDO;
 else
     SUDO="sudo -E"
@@ -166,13 +154,13 @@ fi
 
 # If $SRC_DIR is anywhere other than $HOME,
 # assume $USER does not have write access.
-if [[ $SRC_DIR != "$HOME"* ]]; then
+if [[ $SRC_DIR != "$HOME"* ]] && [[ $SRC_DIR != "/tmp"* ]]; then
     sudo mkdir -p $SRC_DIR
     sudo chown $USER -R $SRC_DIR
 fi
 
 # Master make command
-MAKE=make
+MAKE=make -j4
 
 # These are the dependencies for ubuntu. This script should work on other distributions provided the dependencies are met
 if echo $(python --version 2>&1)|grep -q 2.6; then