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Fix SSE4.1/AVX flags not applied on FreeBSD (amd64) #133

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Fix SSE4.1/AVX flags not applied on FreeBSD (amd64) #133

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8 changes: 7 additions & 1 deletion src/libunicode/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,13 @@ endif()


if(LIBUNICODE_SIMD_IMPLEMENTATION STREQUAL "std" OR LIBUNICODE_SIMD_IMPLEMENTATION STREQUAL "intrinsics")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR CMAKE_SYSTEM_PROCESSOR STREQUAL "AMD64")
# Normalize the processor name: it is "x86_64" on Linux, "AMD64" on Windows,
# and "amd64" on FreeBSD/other BSDs. A case-sensitive match missed the BSD
# spelling, so the SSE4.1/AVX flags below were never applied while the x86
# intrinsics in intrinsics.h (gated on __x86_64__) were still compiled,
# breaking the FreeBSD build with always_inline SSE4.1 errors.
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" _LIBUNICODE_PROCESSOR_LOWER)
if(_LIBUNICODE_PROCESSOR_LOWER STREQUAL "x86_64" OR _LIBUNICODE_PROCESSOR_LOWER STREQUAL "amd64")
set(LIBUNICODE_SIMD_SOURCES
simd_detector.cpp
scan256.cpp
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