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Meta: Do not set -march=native on riscv64

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ste 2025-10-22 15:09:45 +02:00 committed by Jelle Raaijmakers
parent b28a97b399
commit b50b89b4a8
1 changed files with 5 additions and 0 deletions
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Meta/CMake/common_compile_options.cmake
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@ -61,6 +61,11 @@ elseif (ENABLE_CI_BASELINE_CPU)
elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
add_cxx_compile_options(-march=x86-64-v3)
endif()
elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64")
# On RISC-V the generic -march=native is not yet supported and both gcc and clang require an explicit
# ISA or target string. Unfortunately hardware probing is also neither easy nor reliable at the moment.
# For the time being use the defaults for the best compatibility with existing hardware and toolchains.
# FIXME: Remove this branch once -march=native is supported.
else()
# In all other cases, compile for the native architecture of the host system.
add_cxx_compile_options(-march=native)