install xerces from brew

.github/workflows/CreateRelease.yml

@@ -109,7 +109,7 @@ jobs:
         submodules: true
     - name: Install dependencies
       run: |
-        brew install libomp
+        brew install libomp xerces-c
         npm install -g appdmg
     - name: Install Qt
       uses: jurplel/install-qt-action@v2

.github/workflows/MacOS.yml

@@ -17,7 +17,7 @@ jobs:
         submodules: true
     - name: Install dependencies
       run: |
-        brew install libomp
+        brew install libomp xerces-c
         npm install -g appdmg
     - name: Install Qt
       uses: jurplel/install-qt-action@v2

.gitignore

@@ -18,6 +18,7 @@
 *.AppImage
 .DS_Store
 distrib*
+src/build/*
 src/install/*
 install/macos/resources/meshlab_dmg_final.json
 install/windows/resources/meshlab_final.nsi
@@ -95,7 +96,7 @@ target_wrapper.*
 # QtCreator CMake
 CMakeLists.txt.user*
 
-# QtCreator 4.8< compilation database 
+# QtCreator 4.8< compilation database
 compile_commands.json
 
 # QtCreator local machine specific files for imported projects