editing the dpendency installer for gl

src/gl/install_deps.sh

@@ -14,32 +14,38 @@ sudo apt-get install -y \
     freeglut3-dev \
     libfreetype6-dev
 
-# Download and install GLFW
-git clone https://github.com/glfw/glfw.git
-cd glfw
-mkdir build && cd build
-cmake .. && make
-sudo make install
-cd ../..
-rm -rf glfw
+# Download and install GLFW if not installed
+if ! command -v glfw &> /dev/null; then
+    git clone https://github.com/glfw/glfw.git
+    cd glfw
+    mkdir build && cd build
+    cmake .. && make
+    sudo make install
+    cd ../..
+    rm -rf glfw
+fi
 
-# Download and install GLAD
-git clone https://github.com/Dav1dde/glad.git
-cd glad
-mkdir build && cd build
-cmake .. && make
-sudo make install
-cd ../..
-rm -rf glad
+# Download and install GLAD if not installed
+if ! command -v glad &> /dev/null; then
+    git clone https://github.com/Dav1dde/glad.git
+    cd glad
+    mkdir build && cd build
+    cmake .. && make
+    sudo make install
+    cd ../..
+    rm -rf glad
+fi
 
-# Download and install GLEW
-wget https://github.com/nigels-com/glew/releases/download/glew-2.2.0/glew-2.2.0.tgz
-tar -xvf glew-2.2.0.tgz
-cd glew-2.2.0/build
-cmake ./cmake && make
-sudo make install
-cd ../..
-rm -rf glew-2.2.0
-rm glew-2.2.0.tgz
+# Download and install GLEW if not installed
+if ! command -v glewinfo &> /dev/null; then
+    wget https://github.com/nigels-com/glew/releases/download/glew-2.2.0/glew-2.2.0.tgz
+    tar -xvf glew-2.2.0.tgz
+    cd glew-2.2.0/build
+    cmake ./cmake && make
+    sudo make install
+    cd ../..
+    rm -rf glew-2.2.0
+    rm glew-2.2.0.tgz
+fi
 
 echo "All dependencies have been installed."