Added fontconfig rt hook

Author: adam-urbanczyk

pyinstaller.spec

@@ -21,7 +21,8 @@ a = Analysis(['run.py'],
                     (oce_dir , 'oce')],
              hiddenimports=['ipykernel.datapub'],
              hookspath=[],
-             runtime_hooks=['pyinstaller/pyi_rth_occ.py'],
+             runtime_hooks=['pyinstaller/pyi_rth_occ.py',
+                            'pyinstaller/pyi_rth_fontconfig.py'],
              excludes=['_tkinter',],
              win_no_prefer_redirects=False,
              win_private_assemblies=False,

pyinstaller/pyi_rth_fontconfig.py

@@ -0,0 +1,6 @@
+import os
+import sys
+
+if sys.platform.startswith('linux'): 
+    os.environ['FONTCONFIG_FILE'] = '/etc/fonts/fonts.conf'
+    os.environ['FONTCONFIG_PATH'] = '/etc/fonts/'