Greicy.Costa-Marques@xxxxxxx writes: > I'm trying to add a small front end to gcc 4.2.4, but it returns me > the following error: > > configure: error: > The following requested languages could not be built: hello-world > Recognised languages are: c,ada,c++,fortran,java,objc,obj-c++,treelang > > I used the following command into the \gcc-build: > ../gcc-4.2.4/configure --enable-languages=hello-world There are a lot of steps required to implement a new front-end, and as far as I know they are mostly undocumented. In this case I think you are missing gcc/hello-world/config-lang.in. If you want to add a frontend, please be prepared to study the code and the existing frontends to figure out what is required. Ian