implement system fonts search for Linux

tests/CMakeLists.txt

@@ -15,6 +15,17 @@ if (APPLE)
     list(FILTER SOURCES EXCLUDE REGEX "ExeAppendedZipResourceLoader")
 endif()
 
+if (LINUX)
+    find_program(LSB_RELEASE_EXEC lsb_release)
+    execute_process(COMMAND ${LSB_RELEASE_EXEC} -is
+        OUTPUT_VARIABLE LSB_RELEASE_ID_SHORT
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if (NOT ${LSB_RELEASE_ID_SHORT} STREQUAL "Ubuntu")
+        list(FILTER SOURCES EXCLUDE REGEX "*Ubuntu*")
+    endif()
+endif()
+
 source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}" FILES ${SOURCES})
 file(GLOB_RECURSE RESOURCES "${ROOT_FOLDER}/resources/*.rc" "${ROOT_FOLDER}/resources/*.h")
 list(APPEND SOURCES ${RESOURCES})