47,49c47,50
< 
< 	if (test "${libdir}" = '${exec_prefix}/lib'); then
< 		libdir="${prefix}/lib"
---
> 	
> 	dnl if lib64 is present then we use it
> 	if (test -d "${prefix}/lib64" ); then
> 	    libdir="${prefix}/lib64"
51c52,57
< 
---
> 	
> 	dnl and then only if ${libdir} keeps beeing empty we use lib
> 	if ( test -z "${libdir}" ) ; then
> 	    libdir="${prefix}/lib"
> 	fi
> 	
68a75
>