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    Subject[PATCH 04/11] kernel: Build bin2c based on config option CONFIG_BUILD_BIN2C
    Date
    currently bin2c builds only if CONFIG_IKCONFIG=y. But bin2c will now be
    used by kexec too. So make it compilation dependent on CONFIG_BUILD_BIN2C
    and this config option can be selected by CONFIG_KEXEC and CONFIG_IKCONFIG.

    Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
    ---
    arch/x86/Kconfig | 1 +
    init/Kconfig | 5 +++++
    scripts/basic/Makefile | 2 +-
    3 files changed, 7 insertions(+), 1 deletion(-)

    diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
    index 940e50e..aa5aeed 100644
    --- a/arch/x86/Kconfig
    +++ b/arch/x86/Kconfig
    @@ -1604,6 +1604,7 @@ source kernel/Kconfig.hz

    config KEXEC
    bool "kexec system call"
    + select BUILD_BIN2C
    ---help---
    kexec is a system call that implements the ability to shutdown your
    current kernel, and to start another kernel. It is like a reboot
    diff --git a/init/Kconfig b/init/Kconfig
    index 34a0a3b..32a1adb 100644
    --- a/init/Kconfig
    +++ b/init/Kconfig
    @@ -760,8 +760,13 @@ endchoice

    endmenu # "RCU Subsystem"

    +config BUILD_BIN2C
    + bool
    + default n
    +
    config IKCONFIG
    tristate "Kernel .config support"
    + select BUILD_BIN2C
    ---help---
    This option enables the complete Linux kernel ".config" file
    contents to be saved in the kernel. It provides documentation
    diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile
    index afbc1cd..ec10d93 100644
    --- a/scripts/basic/Makefile
    +++ b/scripts/basic/Makefile
    @@ -9,7 +9,7 @@
    # fixdep: Used to generate dependency information during build process

    hostprogs-y := fixdep
    -hostprogs-$(CONFIG_IKCONFIG) += bin2c
    +hostprogs-$(CONFIG_BUILD_BIN2C) += bin2c
    always := $(hostprogs-y)

    # fixdep is needed to compile other host programs
    --
    1.8.4.2


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