travis/cmake: don't build sanitizers in foreign architecture Docker containers

Signed-off-by: Steven Noonan <[email protected]>

Author: Steven Noonan

.travis/build-cmake.sh

@@ -43,6 +43,9 @@ BUILD_SANITIZERS=${BUILD_SANITIZERS:-0}
 # builder, and it fails to link properly.
 [[ $(uname -m) == s390x ]] && BUILD_SANITIZERS=0
 
+# Foreign architecture docker containers don't support sanitizers.
+[[ $(uname -m) != x86_64 ]] && grep -q -e AuthenticAMD -e GenuineIntel /proc/cpuinfo && BUILD_SANITIZERS=0
+
 set -x
 
 # Build some tests with sanitizers