diff --git a/build/install-deps-linux.sh b/build/install-deps-linux.sh
index 2732ff78f4..b58b8ca923 100755
--- a/build/install-deps-linux.sh
+++ b/build/install-deps-linux.sh
@@ -8,20 +8,26 @@ if [ ! $(command -v apt-get) ]; then
   exit 0
 fi
 
+#install g++-4.9
+sudo add-apt-repository ppa:ubuntu-toolchain-r/test
+sudo apt-get update
+
+#try to remove glfw2
+sudo apt-get remove libglfw2
+
 DEPENDS='libx11-dev'
 DEPENDS+=' libxmu-dev'
 DEPENDS+=' libglu1-mesa-dev'
 DEPENDS+=' libgl2ps-dev'
 DEPENDS+=' libxi-dev'
-DEPENDS+=' g++'
+DEPENDS+=' g++-4.9'
 DEPENDS+=' libzip-dev'
 DEPENDS+=' libpng12-dev'
 DEPENDS+=' libcurl4-gnutls-dev'
 DEPENDS+=' libfontconfig1-dev'
 DEPENDS+=' libsqlite3-dev'
-DEPENDS+=' libglew*-dev'
+DEPENDS+=' libglew-dev'
 DEPENDS+=' libssl-dev'
-DEPENDS+=' gnutls-dev'
 
 MISSING=
 echo "Checking for missing packages ..."
@@ -31,6 +37,13 @@ for i in $DEPENDS; do
     fi
 done
 
+
+if [ -f /usr/bin/g++ ];then
+sudo rm /usr/bin/g++
+echo "remove old g++"
+fi
+sudo ln -s /usr/bin/g++-4.9 /usr/bin/g++
+
 if [ -n "$MISSING" ]; then
     TXTCOLOR_DEFAULT="\033[0;m"
     TXTCOLOR_GREEN="\033[0;32m"