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kbuild: refactor cc-option-yn, cc-disable-warning, rust-option-yn macros

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cc-option-yn and cc-disable-warning duplicate the compile command seen
a few lines above. These can be defined based on cc-option.

I also refactored rustc-option-yn in the same way, although there are
currently no users of it.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20241009102821.2675718-1-masahiroy@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Masahiro Yamada 2024-10-09 19:27:37 +09:00 committed by Miguel Ojeda
parent ab8851431b
commit b55da84759
1 changed files with 3 additions and 6 deletions
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9
scripts/Makefile.compiler
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@ -53,13 +53,11 @@ cc-option = $(call __cc-option, $(CC),\
# cc-option-yn
# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
cc-option-yn = $(call try-run,\
$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
cc-option-yn = $(if $(call cc-option,$1),y,n)
# cc-disable-warning
# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
cc-disable-warning = $(call try-run,\
$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
cc-disable-warning = $(if $(call cc-option,-W$(strip $1)),-Wno-$(strip $1))
# gcc-min-version
# Usage: cflags-$(call gcc-min-version, 70100) += -foo
@ -85,5 +83,4 @@ rustc-option = $(call __rustc-option, $(RUSTC),\
# rustc-option-yn
# Usage: flag := $(call rustc-option-yn,-Cinstrument-coverage)
rustc-option-yn = $(call try-run,\
$(RUSTC) $(KBUILD_RUSTFLAGS) $(1) --crate-type=rlib /dev/null --out-dir=$$TMPOUT -o "$$TMP",y,n)
rustc-option-yn = $(if $(call rustc-option,$1),y,n)