Add Clang compiler installation to Linux dependency script and adjust CI triggers

- Update `install_dependencies_linux.sh` to include Clang installation for supported package managers.
- Modify GitHub Actions workflow to refine event triggers for PRs and pushes.

Author: gpx1000

.github/workflows/workflow.yml

@@ -1,18 +1,17 @@
 name: CMake CI
 
 on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
   workflow_dispatch:
     inputs:
       force_android_build:
         description: 'Force Android build to run regardless of file changes'
         required: false
         type: boolean
         default: false
-
+  pull_request:
+    types: [ opened, synchronize, reopened ]
+  push:
+    branches: [ main ]
 jobs:
 
   check-android-changes:

scripts/install_dependencies_linux.sh

@@ -45,6 +45,9 @@ case $PACKAGE_MANAGER in
 
         echo "Installing X Window System dependencies..."
         sudo apt-get install -y libxxf86vm-dev libxi-dev
+
+        echo "Installing clang compiler..."
+        sudo apt-get install -y clang
         ;;
     dnf)
         echo "Detected Fedora/RHEL-based system"
@@ -68,6 +71,9 @@ case $PACKAGE_MANAGER in
 
         echo "Installing X Window System dependencies..."
         sudo dnf install -y libXxf86vm-devel libXi-devel
+
+        echo "Installing clang compiler..."
+        sudo dnf install -y clang
         ;;
     pacman)
         echo "Detected Arch-based system"
@@ -88,6 +94,9 @@ case $PACKAGE_MANAGER in
 
         echo "Installing nlohmann-json..."
         sudo pacman -S --needed nlohmann-json || echo "nlohmann-json not found in pacman, will need to be installed manually or via CMake FetchContent"
+
+        echo "Installing clang compiler..."
+        sudo pacman -S --needed clang
         ;;
     *)
         echo "Unsupported package manager. Please install the following packages manually:"
@@ -101,6 +110,7 @@ case $PACKAGE_MANAGER in
         echo "- libtinygltf-dev or equivalent"
         echo "- nlohmann-json3-dev or equivalent"
         echo "- libxxf86vm-dev and libxi-dev or equivalent"
+        echo "- clang compiler"
         exit 1
         ;;
 esac