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kbuild: uapi: split out command conditions into variables

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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>
This commit is contained in:
Thomas Weißschuh 2025-12-23 08:04:11 +01:00 • committed by Nathan Chancellor
parent e2772ba5f4
commit 4ac85d9bc7
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GPG key ID: 1D6B269171C01A96
1 changed files with 5 additions and 2 deletions
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7
usr/include/Makefile
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@ -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 $@