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Fix Build Process for Apple M3 Processors #605

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Fix Build Process for Apple M3 Processors #605

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0edb84a
Update CMakeLists.txt for Apple M3
cmaloney111 Nov 18, 2024
fdfbc73
refactor: remove -mtune flag
cmaloney111 Nov 19, 2024
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5 changes: 3 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,7 @@ string(COMPARE EQUAL "${CMAKE_CXX_COMPILER_ID}" "AppleClang" USING_APPLE_LLVM)
string(COMPARE EQUAL "${CMAKE_CXX_COMPILER_ID}" "NVHPC" USING_NVHPC)

if(USING_GNU OR USING_LLVM OR USING_APPLE_LLVM)
set(NEKRS_COMPILER_DEFAULT_FLAGS "-O2 -g -march=native -mtune=native -ftree-vectorize")
set(NEKRS_COMPILER_DEFAULT_FLAGS "-O2 -g -march=native -ftree-vectorize")
if (USING_GNU AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.1)
message(FATAL_ERROR "GNU compiler version must be at least 9.1!")
endif()
Expand All @@ -112,7 +112,8 @@ set(OCCA_CXX "${MPI_UNDERLYING_COMPILER}" CACHE STRING "C++ compiler for OCCA JI
if(USING_INTEL_LLVM)
set(OCCA_CXXFLAGS "-w -O3 -g" CACHE STRING "C++ flags for OCCA JIT compile")
elseif(USING_GNU OR USING_LLVM OR USING_APPLE_LLVM)
set(OCCA_CXXFLAGS "-w -O3 -g -march=native -mtune=native -ffast-math" CACHE STRING "C++ flags for OCCA JIT compile")
set(OCCA_CXXFLAGS "-w -O3 -g -march=native -ffast-math" CACHE STRING "C++ flags for OCCA JIT compile")

elseif(USING_NVHPC)
set(OCCA_CXXFLAGS "-w -O3 -g -fast" CACHE STRING "C++ flags for OCCA JIT compile")
else()
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