From: Thomas Weißschuh Date: Wed, 13 Aug 2025 06:16:57 +0000 (+0200) Subject: kbuild: uapi: fail header test on compiler warnings X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3788d69db18d310afa9892642520fb9b47edf829;p=users%2Fhch%2Fmisc.git kbuild: uapi: fail header test on compiler warnings Compiler warnings also indicate issues with the headers. Make sure they don't go unnoticed. Signed-off-by: Thomas Weißschuh Reviewed-by: Nicolas Schier Link: https://lore.kernel.org/r/20250813-kbuild-hdrtest-fixes-v2-2-8a7921ca3a03@linutronix.de Signed-off-by: Nathan Chancellor --- diff --git a/usr/include/Makefile b/usr/include/Makefile index c7f164952b33..61a7dd4fc05f 100644 --- a/usr/include/Makefile +++ b/usr/include/Makefile @@ -80,7 +80,7 @@ always-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/ # Include the header twice to detect missing include guard. quiet_cmd_hdrtest = HDRTEST $< cmd_hdrtest = \ - $(CC) $(c_flags) -fsyntax-only -x c /dev/null \ + $(CC) $(c_flags) -fsyntax-only -Werror -x c /dev/null \ $(if $(filter-out $(no-header-test), $*.h), -include $< -include $<); \ $(PERL) $(src)/headers_check.pl $(obj) $<; \ touch $@