build: add -Wtrailing-whitespace=any

fanquake · fanquake · commit 40dcbf580d8e · 2025-11-11T11:37:11.000Z
This is available in GCC 15. See https://gcc.gnu.org/gcc-15/changes.html.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -464,6 +464,7 @@ else()
   try_append_cxx_flags("-Wbidi-chars=any" TARGET warn_interface SKIP_LINK)
   try_append_cxx_flags("-Wundef" TARGET warn_interface SKIP_LINK)
   try_append_cxx_flags("-Wleading-whitespace=spaces" TARGET warn_interface SKIP_LINK)
+  try_append_cxx_flags("-Wtrailing-whitespace=any" TARGET warn_interface SKIP_LINK)
 
   # Some compilers (gcc) ignore unknown -Wno-* options, but warn about all
   # unknown options if any other warning is produced. Test the -Wfoo case, and
