On Wed, 3 Jul 2019 at 09:20, Dorian ROSSE <dorianbrice@xxxxxxxxxx> wrote: > > The system installing of gcc is the Following : > > ./config.guess > > x86_64-pc-linux-gnu > > When I launch > > ../gcc-9.1.0/configure > > required isl version is 0.15 or later > > The following languages will be built: c,c++,fortran,lto,objc > > *** This configuration is not supported in the following subdirectories: > > gnattools gotools target-libada target-libhsail-rt target-libphobos target-zlib target-libgo target-libffi target-liboffloadmic > > (Any other directories should still work fine.) > > configure: creating ./config.status > > config.status: creating Makefile > > Now I run Following : > > ../gcc/configure --enable-languages=c,c++,go && make && make install You're running configure twice, with different options. Why? Why is it ../gcc-9.1.0/configure the first time, and ../gcc/configure the second time?