https://sourceware.org/bugzilla/show_bug.cgi?id=4356
--- Comment #25 from Eli Zaretskii <eliz at gnu dot org> --- Thanks, but this is incorrect usage: --preprocessor= doesn't support command-line arguments. The command-line arguments should be passed via --preprocessor-arg=. -- You are receiving this mail because: You are on the CC list for the bug.