kernel-arch: use ccache only for compiler

Attempting to use it with other tools is not beneficial, only with the
compiler. Confirmation from ccache's maintainer [1].

[1] https://github.com/ccache/ccache/discussions/1346#discussioncomment-7616180

Signed-off-by: Javier Tia <javier.tia@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes-recipe/kernel-arch.bbclass b/meta/classes-recipe/kernel-arch.bbclass
index 6a50bbfd42901a8365007658eddd80d8b6502da1..404f2e70612fd0d6fa1b6618c59db7d0955be9c9 100644 (file)
--- a/meta/classes-recipe/kernel-arch.bbclass
+++ b/meta/classes-recipe/kernel-arch.bbclass
@@ -74,8 +74,8 @@ TARGET_STRIP_KERNEL_ARCH ?= ""
 HOST_STRIP_KERNEL_ARCH ?= "${TARGET_STRIP_KERNEL_ARCH}"
 
 KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd ${DEBUG_PREFIX_MAP} -fdebug-prefix-map=${STAGING_KERNEL_DIR}=${KERNEL_SRC_PATH} -fdebug-prefix-map=${STAGING_KERNEL_BUILDDIR}=${KERNEL_SRC_PATH}"
-KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
-KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
-KERNEL_OBJCOPY = "${CCACHE}${HOST_PREFIX}objcopy ${HOST_OBJCOPY_KERNEL_ARCH}"
+KERNEL_LD = "${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
+KERNEL_AR = "${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
+KERNEL_OBJCOPY = "${HOST_PREFIX}objcopy ${HOST_OBJCOPY_KERNEL_ARCH}"
 KERNEL_STRIP = "${HOST_PREFIX}strip ${HOST_STRIP_KERNEL_ARCH}"
 TOOLCHAIN ?= "gcc"