http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49371
--- Comment #20 from Iain Sandoe <iains at gcc dot gnu.org> 2011-06-12 20:10:10 UTC --- (In reply to comment #19) > > what happens for > > gcc47 -m32 -fno-PIC -fpie backtrace.c > > ? > > [macbook] f90/bug% gcc47 -m32 -fno-PIC -fpie backtrace.c > [macbook] f90/bug% otool -hv a.out > a.out: > Mach header > magic cputype cpusubtype caps filetype ncmds sizeofcmds flags > MH_MAGIC I386 ALL 0x00 EXECUTE 12 1236 NOUNDEFS > DYLDLINK TWOLEVEL PIE that's correct - the pie will override the no-PIC because it comes later on the c/l. --- However, sorry, that was a 'red herring' - the outcome is as expected for the original set of options - as per comment #18. we have some slight differences from the system tools - which treat the options more restrictively than GCC; but I don't think those differences will matter to anyone unless they issue conflicting flags - which will error on GCC but sometimes be silently ignored by the system tools.
