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Subject[PATCH 1/2] init/kconfig: Add LD_VERSION Kconfig
Date
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>
---

This patch series is based on Linux arm64 for-next tree [1]. More details
of this work can be found in the thread [2].

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
[2]: http://lists.infradead.org/pipermail/linux-arm-kernel/2020-March/720257.html

init/Kconfig | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index 452bc18..68ddbcd 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -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)

--
2.7.4
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