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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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