Kconfig got text processing tools like we see in Make. Add Kconfig helper macros to scripts/Kconfig.include like we collect Makefile macros in scripts/Kbuild.include.
Signed-off-by: Masahiro Yamada <[email protected]> Reviewed-by: Kees Cook <[email protected]> Reviewed-by: Ulf Magnusson <[email protected]> --- Changes in v3: - Move helpers to scripts/Kconfig.include Changes in v2: None Kconfig | 2 ++ MAINTAINERS | 1 + scripts/Kconfig.include | 17 +++++++++++++++++ 3 files changed, 20 insertions(+) create mode 100644 scripts/Kconfig.include diff --git a/Kconfig b/Kconfig index 5b55d87..a90d9f9 100644 --- a/Kconfig +++ b/Kconfig @@ -7,4 +7,6 @@ mainmenu "Linux/$(ARCH) $(KERNELVERSION) Kernel Configuration" comment "Compiler: $(CC_VERSION_TEXT)" +source "scripts/Kconfig.include" + source "arch/$(SRCARCH)/Kconfig" diff --git a/MAINTAINERS b/MAINTAINERS index b9dab38..d962f4a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7624,6 +7624,7 @@ L: [email protected] S: Maintained F: Documentation/kbuild/kconfig* F: scripts/kconfig/ +F: scripts/Kconfig.include KDUMP M: Dave Young <[email protected]> diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include new file mode 100644 index 0000000..cac7a81 --- /dev/null +++ b/scripts/Kconfig.include @@ -0,0 +1,17 @@ +# Kconfig helper macros + +# Convenient variables +comma := , +quote := " +squote := ' +empty := +space := $(empty) $(empty) + +# y if the command exits with 0, n otherwise +success = $(shell ($(1)) >/dev/null 2>&1 && echo y || echo n) + +# y if the given compiler flag is supported, n otherwise +cc-option = $(success $(CC) -Werror $(1) -c -x c /dev/null -o /dev/null) + +# y if the given linker flag is supported, n otherwise +ld-option = $(success $(LD) -v $(1)) -- 2.7.4
