https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97865
--- Comment #24 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Iain Sandoe from comment #22) > (In reply to Iain Sandoe from comment #19) > > (In reply to Jürgen Reuter from comment #16) > > > (In reply to Iain Sandoe from comment #15) > > > > (In reply to Jürgen Reuter from comment #14) > > > > > > > clang: error: argument unused during compilation: '-no-pie' > > > [-Werror,-Wunused-command-line-argument] > > > make[2]: [lto-dump] Error 1 (ignored) > > > > I saw this issue on i686-darwin9 when trying the branch, it seems that the > > configuration is using the built compiler for this test - but then using the > > build system c++ for the install ... it's not obvious that my changes could > > cause this - I am investigating (it's not a problem if the bootstrap / build > > system c++ support no-pie, which is the case for the gcc-7.5 bootstrap). > > I see this error with r11-5147 and no patches applied (so it's pre-existing > - somewhere between r11-5028 and r11-5147). > > e.g. i686-darwin9: > > make install gives .. > g++: error: unrecognized command line option '-no-pie' > make[2]: *** [gnat1] Error 1 > make[1]: *** [install-gcc] Error 2 > make: *** [install] Error 2 > > x86_64-darwin20 (no configure changes) > > clang: error: argument unused during compilation: '-no-pie' > [-Werror,-Wunused-command-line-argument] > make[2]: *** [cc1plus] Error 1 > make[1]: *** [install-gcc] Error 2 > make: *** [install] Error 2 looks like this was caused by https://gcc.gnu.org/pipermail/gcc-cvs/2020-November/337375.html and is fixed by https://gcc.gnu.org/pipermail/gcc-patches/2020-November/559605.html (but more testing needed)