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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-06 11:31:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-06 11:31:45 -0700
commit0ad39cb3d70fb4324d127aeceee7f63e3f71605c (patch)
tree627d885a698b485d13be0140fe7e6881486fbd11 /init
parent8715ee75fe6fa3aed367f28aa7a3655e6a8e4688 (diff)
parent2ae89c7a82ea9d81a19b4fc2df23bef4b112f24e (diff)
Merge tag 'kconfig-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada: "Kconfig now supports new functionality to perform textual substitution. It has been a while since Linus suggested to move compiler option tests from makefiles to Kconfig. Finally, here it is. The implementation has been generalized into a Make-like macro language. Some built-in functions such as 'shell' are provided. Variables and user-defined functions are also supported so that 'cc-option', 'ld-option', etc. are implemented as macros. Summary: - refactor package checks for building {m,n,q,g}conf - remove unused/unmaintained localization support - remove Kbuild cache - drop CONFIG_CROSS_COMPILE support - replace 'option env=' with direct variable expansion - add built-in functions such as 'shell' - support variables and user-defined functions - add helper macros as as 'cc-option' - add unit tests and a document of the new macro language - add 'testconfig' to help - fix warnings from GCC 8.1" * tag 'kconfig-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits) kconfig: Avoid format overflow warning from GCC 8.1 kbuild: Move last word of nconfig help to the previous line kconfig: Add testconfig into make help output kconfig: add basic helper macros to scripts/Kconfig.include kconfig: show compiler version text in the top comment kconfig: test: add Kconfig macro language tests Documentation: kconfig: document a new Kconfig macro language kconfig: error out if a recursive variable references itself kconfig: add 'filename' and 'lineno' built-in variables kconfig: add 'info', 'warning-if', and 'error-if' built-in functions kconfig: expand lefthand side of assignment statement kconfig: support append assignment operator kconfig: support simply expanded variable kconfig: support user-defined function and recursively expanded variable kconfig: begin PARAM state only when seeing a command keyword kconfig: replace $(UNAME_RELEASE) with function call kconfig: add 'shell' built-in function kconfig: add built-in function support kconfig: make default prompt of mainmenu less specific kconfig: remove sym_expand_string_value() ...
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig25
1 files changed, 4 insertions, 21 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 829a4c1117f2..0274d0d28df7 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1,20 +1,12 @@
-config ARCH
- string
- option env="ARCH"
-
-config KERNELVERSION
- string
- option env="KERNELVERSION"
-
config DEFCONFIG_LIST
string
depends on !UML
option defconfig_list
- default "/lib/modules/$UNAME_RELEASE/.config"
+ default "/lib/modules/$(shell,uname --release)/.config"
default "/etc/kernel-config"
- default "/boot/config-$UNAME_RELEASE"
- default "$ARCH_DEFCONFIG"
- default "arch/$ARCH/defconfig"
+ default "/boot/config-$(shell,uname --release)"
+ default ARCH_DEFCONFIG
+ default "arch/$(ARCH)/defconfig"
config CONSTRUCTORS
bool
@@ -54,15 +46,6 @@ config INIT_ENV_ARG_LIMIT
Maximum of each of the number of arguments and environment
variables passed to init from the kernel command line.
-
-config CROSS_COMPILE
- string "Cross-compiler tool prefix"
- help
- Same as running 'make CROSS_COMPILE=prefix-' but stored for
- default make runs in this kernel build directory. You don't
- need to set this unless you want the configured kernel build
- directory to select the cross-compiler automatically.
-
config COMPILE_TEST
bool "Compile also drivers which will not load"
depends on !UML

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