diff -ru blender-2.90.0.orig/source/blender/blenfont/intern/blf_font_default.c blender-2.90.0/source/blender/blenfont/intern/blf_font_default.c

--- blender-2.90.0.orig/source/blender/blenfont/intern/blf_font_default.c	2020-08-31 04:59:45.000000000 -0700

+++ blender-2.90.0/source/blender/blenfont/intern/blf_font_default.c	2020-09-04 21:01:00.797111420 -0700

@@ -33,7 +33,7 @@

 static int blf_load_font_default(const char *filename, const bool unique)

 {

-  const char *dir = BKE_appdir_folder_id(BLENDER_DATAFILES, "fonts");

+  const char *dir = "/usr/share/fonts/blender";

   if (dir == NULL) {

     fprintf(stderr,

             "%s: 'fonts' data path not found for '%s', will not be able to display text\n",

diff -ru blender-2.90.0.orig/source/creator/CMakeLists.txt blender-2.90.0/source/creator/CMakeLists.txt

--- blender-2.90.0.orig/source/creator/CMakeLists.txt	2020-08-31 05:03:18.000000000 -0700

+++ blender-2.90.0/source/creator/CMakeLists.txt	2020-09-04 21:02:46.191496948 -0700

@@ -388,8 +388,8 @@

 # fonts

 install(

   DIRECTORY

-    ${CMAKE_SOURCE_DIR}/release/datafiles/fonts

-  DESTINATION ${TARGETDIR_VER}/datafiles

+    ${CMAKE_SOURCE_DIR}/release/datafiles/fonts/

+  DESTINATION ${CMAKE_INSTALL_PREFIX}/share/fonts/blender

 )

 # localization