> Is it possible to compile a gnat cross compiler based on gcc 4.5.2 > using my > pre-installed gnat native compiler based on gcc 3.4.6 ? Or should I try > to > build my own local native compiler based on gcc 4.5.2 ?
You needed a matching native compiler first in order to build a cross GNAT compiler. So yes, you need to first build a native GCC 4.5.2 in order to build a cross 4.5.2 compiler. Arno