https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87141
--- Comment #2 from martin <mfe at live dot de> --- >Can you even execute a simple hello world you compile yourself? Yes (using /opt/gcc-7.3/bin/gcc). >here (x86_64-linux) 126 is ENOKEY. Looks like somehow your platform requires signed executables? No, I already compiled many libraries and executables like libmpc,libgnutls, curl,wget and never had any issues which mention to sign the executables.