[PATCH 1/7] init/Kconfig: add CONFIG_CC_CAN_LINK

From: Masahiro Yamada
Date: Sun Jun 30 2019 - 21:01:07 EST


Currently, scripts/cc-can-link.sh is run just for BPFILTER_UMH, but
defining CC_CAN_LINK will be useful in other places.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

Changes in v4:
- New patch

Changes in v3: None
Changes in v2: None

init/Kconfig | 3 +++
net/bpfilter/Kconfig | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/init/Kconfig b/init/Kconfig
index df5bba27e3fe..2e9813daa2c1 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -24,6 +24,9 @@ config CLANG_VERSION
int
default $(shell,$(srctree)/scripts/clang-version.sh $(CC))

+config CC_CAN_LINK
+ def_bool $(success,$(srctree)/scripts/cc-can-link.sh $(CC))
+
config CC_HAS_ASM_GOTO
def_bool $(success,$(srctree)/scripts/gcc-goto.sh $(CC))

diff --git a/net/bpfilter/Kconfig b/net/bpfilter/Kconfig
index 91f9d878165e..fed9290e3b41 100644
--- a/net/bpfilter/Kconfig
+++ b/net/bpfilter/Kconfig
@@ -9,7 +9,7 @@ menuconfig BPFILTER
if BPFILTER
config BPFILTER_UMH
tristate "bpfilter kernel module with user mode helper"
- depends on $(success,$(srctree)/scripts/cc-can-link.sh $(CC))
+ depends on CC_CAN_LINK
default m
help
This builds bpfilter kernel module with embedded user mode helper
--
2.17.1