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CMakeLists: fix GCC flags #550

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CMakeLists: fix GCC flags #550

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12 changes: 11 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,17 @@ if(HNSWLIB_EXAMPLES)
endif()
endif()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
SET( CMAKE_CXX_FLAGS "-Ofast -lrt -std=c++11 -DHAVE_CXX0X -march=native -fpic -w -fopenmp -ftree-vectorize -ftree-vectorizer-verbose=0" )
SET( CMAKE_CXX_FLAGS "-Ofast -std=c++11 -DHAVE_CXX0X -fpic -w -fopenmp -ftree-vectorize -ftree-vectorizer-verbose=0" )
if(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc|powerpc")
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mtune=native" )
message("set -mtune=native flag")
else()
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native" )
message("set -march=native flag")
endif()
if(NOT APPLE)
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -lrt" )
endif()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
SET( CMAKE_CXX_FLAGS "/O2 -DHAVE_CXX0X /W1 /openmp /EHsc" )
endif()
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