Merge pull request #1645 from jmather-sesi/non-x86-intrinsic-flag-fix

Only emit SIMD compiler flags on x86-based platforms

Author: jmlait

CMakeLists.txt

@@ -386,12 +386,16 @@ endif()
 # Configure SIMD. AVX implies SSE 4.2.
 
 if(OPENVDB_SIMD STREQUAL "AVX")
-  add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-mavx>")
-  add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-msse4.2>")
+  if (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86)|(X86)|(amd64)|(AMD64)")
+    add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-mavx>")
+    add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-msse4.2>")
+  endif()
   add_compile_definitions("$<$<COMPILE_LANGUAGE:CXX>:OPENVDB_USE_AVX>")
   add_compile_definitions("$<$<COMPILE_LANGUAGE:CXX>:OPENVDB_USE_SSE42>")
 elseif(OPENVDB_SIMD STREQUAL "SSE42")
-  add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-msse4.2>")
+  if (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86)|(X86)|(amd64)|(AMD64)")
+    add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-msse4.2>")
+  endif()
   add_compile_definitions("$<$<COMPILE_LANGUAGE:CXX>:OPENVDB_USE_SSE42>")
 endif()
 

pendingchanges/non-x86-intrinsic-flag-fix.txt

@@ -0,0 +1,4 @@
+OpenVDB:
+    - Bug Fixes:
+        Fixed a compilation error that would be encountered when attempting to
+        enable the SSE4.2 or AVX SIMD options on non-x86 based platforms.