1 files changed, 21 insertions, 5 deletions
diff --git a/build.sh b/build.sh
index 6e3b391..cda70f2 100755
--- a/build.sh
+++ b/build.sh
@@ -1,15 +1,31 @@
 #!/bin/sh
 # fbsplash builder script for cmake
+DIR=$(pwd)
+BUILDDIR=build
+
+# if --clean, remove build dir
+if [ "$1" = "--clean" ]
+then
+  rm -rf $BUILDDIR
+  echo "$BUILDDIR removed."
+  exit 1
+fi
+
+if [ ! -f CMakeLists.txt ]
+then
+  echo "No CMakeLists.txt found."
+  echo "Run this script from the folder containing CMakeLists.txt."
+  exit 1
+fi
 
 # make build dir if its not there
-[ ! -d ./build ] && mkdir -p build
+[ ! -d $BUILDDIR ] && mkdir -p $BUILDDIR
 
-cd build
+cd $BUILDDIR
 # use cmake to create Makefile
 echo "Invoking cmake ..."
-cmake "../"
+cmake "$DIR"
 echo "Invoking make ..."
 make
 
-cd ..
-
+cd $DIR