Package: gnat-5,gnat-6,gnat-7 Followup-For: Bug #856274 Small reproducer: # 'package P is end P;' > p.a # /usr/bin/gnatchop p.a On gnat-5/5.4.1-11, the work-around fixes the issue. Without it, gcc-5-5 is searched but not found. On gnat-6/6.3.0-18, the work-around has no effect. ARCH-gcc-6-6 is searched but not found.