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kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled

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Currently, the top Makefile includes all of scripts/Makefile.<feature>
even if the associated CONFIG option is disabled.

Do not include unneeded Makefiles in order to slightly optimize the
parse stage.

Include $(include-y), and ignore $(include-).

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada
2020-08-02 00:00:49 +09:00
parent faabed295c
commit e0fe0bbe57
4 changed files with 9 additions and 18 deletions
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3
scripts/Makefile.ubsan
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@@ -1,6 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
ifdef CONFIG_UBSAN
ifdef CONFIG_UBSAN_ALIGNMENT
CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
endif
@@ -26,4 +24,3 @@ endif
# -fsanitize=* options makes GCC less smart than usual and
# increase number of 'maybe-uninitialized false-positives
CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
endif