improvements to the Cmakelists

Author: jananifernandez

CMakeLists.txt

@@ -16,10 +16,13 @@ option(SAF_USE_FFTW                  "Use FFTW3 for the FFT."
 option(SAF_ENABLE_SIMD               "Enable the use of SSE3, AVX2, AVX512"       OFF)
 option(SAF_ENABLE_NETCDF             "Enable netcdf for the sofa reader module"   OFF)
 option(SAF_USE_FAST_MATH_FLAG        "Enable -ffast-math compiler flag"           ON)
-if (NOT SAF_PERFORMANCE_LIB)
-    set(SAF_PERFORMANCE_LIB "SAF_USE_INTEL_MKL_LP64" CACHE STRING "Performance library for SAF to use.")
+if(NOT DEFINED SAF_PERFORMANCE_LIB AND NOT APPLE)
+    message(FATAL_ERROR "You must define the SAF_PERFORMANCE_LIB environment variable")
 endif()
-#message(STATUS "PERFORMACE LIB is ${SAF_PERFORMANCE_LIB}")
+if(NOT DEFINED SAF_PERFORMANCE_LIB AND APPLE)
+    set(SAF_PERFORMANCE_LIB "SAF_USE_APPLE_ACCELERATE")
+endif()
+#message(STATUS "PERFORMANCE LIB is ${SAF_PERFORMANCE_LIB}")
 if (NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE STREQUAL "")
     set(CMAKE_BUILD_TYPE "Release" CACHE STRING "" FORCE)
 endif()
@@ -40,6 +43,8 @@ if(MSVC)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP")
 elseif(APPLE)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++") 
+    set(CMAKE_OSX_ARCHITECTURES "arm64;x86_64")
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0")
 elseif(UNIX AND NOT APPLE AND NOT ANDROID)
     add_definitions(
         #-std=c++11