Use AS_IF in cxx11.m4
Use AS_IF in cxx11.m4

hrittich/libmesh,dschwen/libmesh,dschwen/libmesh,90jrong/libmesh,hrittich/libmesh,libMesh/libmesh,90jrong/libmesh,BalticPinguin/libmesh,jwpeterson/libmesh,roystgnr/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,dschwen/libmesh,jwpeterson/libmesh,90jrong/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,libMesh/libmesh,pbauman/libmesh,90jrong/libmesh,BalticPinguin/libmesh,dschwen/libmesh,pbauman/libmesh,pbauman/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,capitalaslash/libmesh,roystgnr/libmesh,dschwen/libmesh,pbauman/libmesh,roystgnr/libmesh,dschwen/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,pbauman/libmesh,roystgnr/libmesh,pbauman/libmesh,hrittich/libmesh,giorgiobornia/libmesh,hrittich/libmesh,giorgiobornia/libmesh,capitalaslash/libmesh,dschwen/libmesh,libMesh/libmesh,libMesh/libmesh,capitalaslash/libmesh,giorgiobornia/libmesh,hrittich/libmesh,90jrong/libmesh,libMesh/libmesh,giorgiobornia/libmesh,giorgiobornia/libmesh,jwpeterson/libmesh,hrittich/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,hrittich/libmesh,giorgiobornia/libmesh,libMesh/libmesh,pbauman/libmesh,90jrong/libmesh,BalticPinguin/libmesh,pbauman/libmesh,90jrong/libmesh,hrittich/libmesh,hrittich/libmesh,capitalaslash/libmesh,dschwen/libmesh,pbauman/libmesh,libMesh/libmesh,giorgiobornia/libmesh,BalticPinguin/libmesh,jwpeterson/libmesh,libMesh/libmesh,roystgnr/libmesh,90jrong/libmesh,capitalaslash/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,90jrong/libmesh,jwpeterson/libmesh