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| author | Masahiro Yamada <masahiroy@kernel.org> | 2020-08-02 00:00:49 +0900 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2020-08-10 01:32:59 +0900 |
| commit | e0fe0bbe57b8d708a18756be5bc289bdaf78d2a8 (patch) | |
| tree | 72bf8b470a3707d7fa61cc05ebb13667f4120d63 /Makefile | |
| parent | faabed295cccc2aba2b67f2e7b309f2892d55004 (diff) | |
| download | lwn-e0fe0bbe57b8d708a18756be5bc289bdaf78d2a8.tar.gz lwn-e0fe0bbe57b8d708a18756be5bc289bdaf78d2a8.zip | |
kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled
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>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 16 |
1 files changed, 9 insertions, 7 deletions
@@ -745,9 +745,6 @@ endif KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races) -include scripts/Makefile.kcov -include scripts/Makefile.gcc-plugins - ifdef CONFIG_READABLE_ASM # Disable optimizations that make assembler listings hard to read. # reorder blocks reorders the control in the function @@ -948,10 +945,15 @@ ifdef CONFIG_RETPOLINE KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none) endif -include scripts/Makefile.kasan -include scripts/Makefile.extrawarn -include scripts/Makefile.ubsan -include scripts/Makefile.kcsan +# include additional Makefiles when needed +include-y := scripts/Makefile.extrawarn +include-$(CONFIG_KASAN) += scripts/Makefile.kasan +include-$(CONFIG_KCSAN) += scripts/Makefile.kcsan +include-$(CONFIG_UBSAN) += scripts/Makefile.ubsan +include-$(CONFIG_KCOV) += scripts/Makefile.kcov +include-$(CONFIG_GCC_PLUGINS) += scripts/Makefile.gcc-plugins + +include $(addprefix $(srctree)/, $(include-y)) # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments KBUILD_CPPFLAGS += $(KCPPFLAGS) |