Set DART_ENABLE_SIMD=OFF by default (dartsim#1825)

Signed-off-by: Jeongseok (JS) Lee <[email protected]>

Author: jslee02

CMakeLists.txt

@@ -85,7 +85,7 @@ endif()
 # compile options, which may cause runtime errors especially memory alignment
 # errors.
 dart_option(DART_ENABLE_SIMD
-  "Build DART with all SIMD instructions on the current local machine" ON)
+  "Build DART with all SIMD instructions on the current local machine" OFF)
 dart_option(DART_BUILD_GUI_OSG "Build osgDart library" ON)
 dart_option(DART_BUILD_DARTPY "Build dartpy" ON)
 dart_option(DART_BUILD_PROFILE "Build DART with profiling options" OFF)