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Fix compilation error on Apple Silicon #1176

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Fix compilation error on Apple Silicon #1176

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18 changes: 17 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,23 @@ set (fasttext_VERSION_MINOR 1)

include_directories(fasttext)

set(CMAKE_CXX_FLAGS " -pthread -std=c++11 -funroll-loops -O3 -march=native")
if(APPLE)
# on macOS "uname -m" returns the architecture (x86_64 or arm64)
execute_process(
COMMAND uname -m
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command uname-apple-script

RESULT_VARIABLE result
OUTPUT_VARIABLE FASTTEXT_OSX_NATIVE_ARCHITECTURE
OUTPUT_STRIP_TRAILING_WHITESPACE
)

if(FASTTEXT_OSX_NATIVE_ARCHITECTURE STREQUAL "arm64")
set(CMAKE_CXX_FLAGS " -pthread -std=c++11 -funroll-loops -O3")
else()
set(CMAKE_CXX_FLAGS " -pthread -std=c++11 -funroll-loops -O3 -march=native")
endif()
else()
set(CMAKE_CXX_FLAGS " -pthread -std=c++11 -funroll-loops -O3 -march=native")
endif()

set(HEADER_FILES
src/args.h
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