try to avoid strange segfault on aarch64

Author: leofang

recipe/run_test.sh

@@ -22,7 +22,10 @@ if [[ $PKG_NAME == "openmpi" ]]; then
   fi
 
   command -v mpiexec
-  which mpiexec
+  # try to avoid strange segfault
+  if [[ "$target_platform" != "linux-aarch64" ]]; then
+    which mpiexec
+  fi
   $MPIEXEC --help
   $MPIEXEC -n 4 ./helloworld.sh
 fi