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llama.cpp
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Merge c3e73990ec into 7cadbfce10

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Miro Bucko 2026-03-24 09:36:25 +08:00 committed by GitHub
parent 7cadbfce10 c3e73990ec
commit 5efc16691a
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1 changed files with 18 additions and 2 deletions
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20
ggml/src/ggml-cpu/CMakeLists.txt
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@ -148,12 +148,28 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
message(STATUS "ARM detected flags: ${ARM_NATIVE_FLAG}")
endif()
include(CheckCXXSourceCompiles)
include(CheckCXXSourceRuns)
macro(check_arm_feature tag feature code)
set(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS})
set(CMAKE_REQUIRED_FLAGS "${ARM_NATIVE_FLAG}+${tag}")
check_cxx_source_runs("${code}" GGML_MACHINE_SUPPORTS_${tag})
# check if the feature is available natively before running the
# test binary — avoids hangs when the runtime test traps (e.g. SVE on macOS)
set(CMAKE_REQUIRED_FLAGS "${ARM_NATIVE_FLAG}")
check_cxx_source_compiles(
"
#if !defined(__ARM_FEATURE_${feature})
# error \"${feature} not supported\"
#endif
int main() { return 0; }
"
GGML_COMPILER_SUPPORTS_${tag}
)
if (GGML_COMPILER_SUPPORTS_${tag})
# feature is supported, override CMAKE_REQUIRED_FLAGS to include +tag
set(CMAKE_REQUIRED_FLAGS "${ARM_NATIVE_FLAG}+${tag}")
check_cxx_source_runs("${code}" GGML_MACHINE_SUPPORTS_${tag})
endif()
if (GGML_MACHINE_SUPPORTS_${tag})
set(ARM_NATIVE_FLAG_FIX "${ARM_NATIVE_FLAG_FIX}+${tag}")
else()