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authorThomas Weißschuh <thomas.weissschuh@linutronix.de>2025-12-23 08:04:11 +0100
committerNathan Chancellor <nathan@kernel.org>2026-01-06 15:07:32 -0700
commit4ac85d9bc73ed38a3bf98a58f9a44087375332b4 (patch)
tree528bc05b219377aa19f71da2b8955c09a4ae0c17
parente2772ba5f43df6b13b04041fe52b07e8cac06ce0 (diff)
kbuild: uapi: split out command conditions into variables
The condition logic will become a bit more complicated. Split them out into dedicated variables so they stay readable. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://patch.msgid.link/20251223-uapi-nostdinc-v1-4-d91545d794f7@linutronix.de Signed-off-by: Nathan Chancellor <nathan@kernel.org>
-rw-r--r--usr/include/Makefile7
1 files changed, 5 insertions, 2 deletions
diff --git a/usr/include/Makefile b/usr/include/Makefile
index fd29c11c35cb..fa01bcda21f5 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -150,12 +150,15 @@ endif
always-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/dev/null))
+target-no-libc = $(filter-out $(uses-libc), $*.h)
+target-can-compile = $(filter-out $(no-header-test), $*.h)
+
# Include the header twice to detect missing include guard.
quiet_cmd_hdrtest = HDRTEST $<
cmd_hdrtest = \
$(CC) $(c_flags) -fsyntax-only -Werror -x c /dev/null \
- $(if $(filter-out $(uses-libc), $*.h), -nostdinc) \
- $(if $(filter-out $(no-header-test), $*.h), -include $< -include $<); \
+ $(if $(target-no-libc), -nostdinc) \
+ $(if $(target-can-compile), -include $< -include $<); \
$(PERL) $(src)/headers_check.pl $(obj) $<; \
touch $@