init/kconfig: Add LD_VERSION Kconfig

This option can be used in Kconfig files to compare the ld version
and enable/disable incompatible config options if required.

This option is used in the subsequent patch along with GCC_VERSION to
filter out an incompatible feature.

Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Amit Daniel Kachhap 2020-03-30 17:11:38 +05:30 committed by Catalin Marinas
parent b2a84de2a2
commit 9553d16fa6

View File

@ -17,6 +17,10 @@ config GCC_VERSION
default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
default 0
config LD_VERSION
int
default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh)
config CC_IS_CLANG
def_bool $(success,$(CC) --version | head -n 1 | grep -q clang)