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authorSami Tolvanen2020-04-28 15:14:15 -0700
committerThomas Bogendoerfer2020-05-12 10:01:31 +0200
commitb744b43f79cc758127042e71f9ad7b1afda30f84 (patch)
tree827c7405379bea7ab45ee2051f281b05f49c298b /init
parent1bec48982c7abb5d1f065ed72181c134a0b67d9b (diff)
kbuild: add CONFIG_LD_IS_LLD
Similarly to the CC_IS_CLANG config, add LD_IS_LLD to avoid GNU ld specific logic such as ld-version or ld-ifversion and gain the ability to select potential features that depend on the linker at configuration time such as LTO. Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Acked-by: Masahiro Yamada <masahiroy@kernel.org> [nc: Reword commit message] Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Reviewed-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 9e22ee8fbd75..c15ee42b8272 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -23,6 +23,9 @@ config LD_VERSION
config CC_IS_CLANG
def_bool $(success,$(CC) --version | head -n 1 | grep -q clang)
+config LD_IS_LLD
+ def_bool $(success,$(LD) -v | head -n 1 | grep -q LLD)
+
config CLANG_VERSION
int
default $(shell,$(srctree)/scripts/clang-version.sh $(CC))