SCons: do not include backup files in build (#2221)

* SCons: do not include backup files in build
* fbt: now GlobRecursive by default excludes backup files
* fbt: added backup file exclusion to plain libs

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: あく <alleteam@gmail.com>

scripts/fbt/util.py

@@ -8,6 +8,10 @@ import os
 
 WINPATHSEP_RE = re.compile(r"\\([^\"'\\]|$)")
 
+# Used by default when globbing for files with GlobRecursive
+# Excludes all files ending with ~, usually created by editors as backup files
+GLOB_FILE_EXCLUSION = ["*~"]
+
 
 def tempfile_arg_esc_func(arg):
     arg = quote_spaces(arg)