I should have trusted the manual. The solution to my problem was just to perform the build in a directory outside the source directory as indicated. Sorry for the inconvenience and thx for your help. On Mon, Nov 2, 2020 at 6:44 PM Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > On Mon, 2 Nov 2020 at 15:34, Eric Pellegrini via Gcc-help > <gcc-help@xxxxxxxxxxx> wrote: > > > > Hi all, > > > > I try to build gcc (9.3.0) from source on ubuntu focal using the > following > > configure call: > > > > ./configure --enable-shared --enable-multilib --prefix=/opt/gcc > > Don't do that, see https://gcc.gnu.org/wiki/InstallingGCC > > > The configure runs OK but when building/linking I get the following > error: > > > > libtool: link: gcc -shared -fPIC -DPIC .libs/lto-plugin.o -l > > There's an argument missing here, it should be -l SOMETHING > > > -static-libgcc -static-libstdc++ -static-libgcc > > and that means the -static-libgcc gets treated as the argument to -l > > My guess is you have something defined in your environment, like > LDFLAGS=-l or something like that. Check the output of 'env' and unset > anything you don't need. >
