build: enable SSE on non-ARM systems only (#1042)

CMakeLists.txt

@@ -25,7 +25,6 @@ SET(OpenMVS_USE_CUDA ON CACHE BOOL "Enable CUDA library")
 SET(OpenMVS_USE_FAST_FLOAT2INT ON CACHE BOOL "Use an optimized code to convert real numbers to int")
 SET(OpenMVS_USE_FAST_INVSQRT OFF CACHE BOOL "Use an optimized code to compute the inverse square root (slower in fact on modern compilers)")
 SET(OpenMVS_USE_FAST_CBRT ON CACHE BOOL "Use an optimized code to compute the cubic root")
-SET(OpenMVS_USE_SSE ON CACHE BOOL "Enable SSE optimizations")
 SET(OpenMVS_MAX_CUDA_COMPATIBILITY OFF CACHE BOOL "Build for maximum CUDA device compatibility")
 SET(OpenMVS_ENABLE_TESTS ON CACHE BOOL "Enable test code")
 
@@ -51,6 +50,9 @@ ENDIF()
 # ${OpenMVS_BINARY_DIR}.
 PROJECT(OpenMVS)
 
+cmake_policy(SET CMP0127 NEW)
+cmake_dependent_option(OpenMVS_USE_SSE "Enable SSE optimizations" ON "NOT CMAKE_SYSTEM_PROCESSOR MATCHES \"^(arm|ARM|aarch64|AARCH64).\"" OFF)
+
 SET(OpenMVS_MAJOR_VERSION 2)
 SET(OpenMVS_MINOR_VERSION 2)
 SET(OpenMVS_PATCH_VERSION 0)