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tune-octeonx2: Do not use -mcpu=octeontx2 with clang

Message ID 20250724230308.2465859-1-raj.khem@gmail.com
State New
Headers show
Series tune-octeonx2: Do not use -mcpu=octeontx2 with clang | expand

Commit Message

Khem Raj July 24, 2025, 11:03 p.m. UTC
-mcpu=octeontx2 is not implemented in clang, therefore
replace it with -march option denoting underlying
armv8 architecture revision.

 Fixes:

    |   error: unsupported argument 'octeontx2+crypto' to option '-mcpu='
    |   error: unknown target CPU 'octeontx2'

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 meta/conf/machine/include/arm/armv8-2a/tune-octeontx2.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/meta/conf/machine/include/arm/armv8-2a/tune-octeontx2.inc b/meta/conf/machine/include/arm/armv8-2a/tune-octeontx2.inc
index e9d7a59c511..83ba6745343 100644
--- a/meta/conf/machine/include/arm/armv8-2a/tune-octeontx2.inc
+++ b/meta/conf/machine/include/arm/armv8-2a/tune-octeontx2.inc
@@ -1,7 +1,9 @@ 
 DEFAULTTUNE ?= "octeontx2"
 
 TUNEVALID[octeontx2] = "Enable Marvell octeontx2 specific processor optimizations"
-TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'octeontx2', ' -mcpu=octeontx2', '', d)}"
+CPU_TUNE_ARG ?= "-mcpu=octeontx2"
+CPU_TUNE_ARG:toolchain-clang = "-march=armv8.2-a"
+TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'octeontx2', ' ${CPU_TUNE_ARG}', '', d)}"
 
 require conf/machine/include/arm/arch-armv8-2a.inc