diff options
| -rw-r--r-- | Kconfig | 2 | ||||
| -rw-r--r-- | include/linux/kconfig.h | 2 | ||||
| -rw-r--r-- | init/Kconfig | 17 |
3 files changed, 19 insertions, 2 deletions
@@ -5,8 +5,6 @@ # mainmenu "Linux/$(ARCH) $(KERNELVERSION) Kernel Configuration" -comment "Compiler: $(CC_VERSION_TEXT)" - source "scripts/Kconfig.include" source "init/Kconfig" diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h index cc8fa109cfa3..9d12c970f18f 100644 --- a/include/linux/kconfig.h +++ b/include/linux/kconfig.h @@ -2,6 +2,8 @@ #ifndef __LINUX_KCONFIG_H #define __LINUX_KCONFIG_H +/* CONFIG_CC_VERSION_TEXT (Do not delete this comment. See help in Kconfig) */ + #include <generated/autoconf.h> #ifdef CONFIG_CPU_BIG_ENDIAN diff --git a/init/Kconfig b/init/Kconfig index 2bc63a361033..ed1d82c9f1df 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -8,6 +8,23 @@ config DEFCONFIG_LIST default "/boot/config-$(shell,uname -r)" default "arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)" +config CC_VERSION_TEXT + string + default "$(CC_VERSION_TEXT)" + help + This is used in unclear ways: + + - Re-run Kconfig when the compiler is updated + The 'default' property references the environment variable, + CC_VERSION_TEXT so it is recorded in include/config/auto.conf.cmd. + When the compiler is updated, Kconfig will be invoked. + + - Ensure full rebuild when the compier is updated + include/linux/kconfig.h contains this option in the comment line so + fixdep adds include/config/cc/version/text.h into the auto-generated + dependency. When the compiler is updated, syncconfig will touch it + and then every file will be rebuilt. + config CC_IS_GCC def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc) |