Hi Chris, Christopher Baines <[email protected]> writes:
> Maxime Devos <[email protected]> writes: > >> Christopher Baines schreef op di 15-03-2022 om 21:11 [+0000]: >>> grub can't be built for powerpc64le, I believe the same failure >>> occurs >>> with native builds or cross compilation from x86_64. I think this >>> might >>> have always been the case. >>> >>> This is the error from the build log: >>> >>> checking for options to get big-endian compilation... no >>> configure: error: could not force big-endian >>> >>> Looking in the config.log file, it tries a bunch of options with >>> different errors, but this one stands out: >>> >>> cc1: error: '-m32' not supported in this configuration >>> >>> I know very little about gcc, but I think this might relate to the >>> multilib thing, which I'm guessing is disabled for the gcc in use >>> here. >>> >>> Any ideas about this issue? >> >> Maybe you could add a gcc compiling for 32-bit ppc (maybe without a >> glibc since this is grub) and patch the configuration script to use the >> 32-bit ppc gcc instead of using the 64-bit ppc+-m32? > > I've had a go at this, using something like what I've included below, > but I haven't stumbled upon the right options yet, or a way to work out > why gcc still thinks "-m32 not supported". > > (define multilib-gcc > (package > (inherit gcc) > (name "foo-gcc") > (arguments > (substitute-keyword-arguments (package-arguments gcc) > ((#:phases phases) > `(modify-phases ,phases > (add-after 'unpack 'fix-genmultilib > (lambda _ > ;; patch-shebang doesn't work here because there are actually > ;; several scripts inside this script, each with a #!/bin/sh > ;; that needs patching. > (substitute* "gcc/genmultilib" > (("#!/bin/sh") (string-append "#!" (which "sh")))))))) > ((#:configure-flags flags) > `(append (list > "--with-endian=little,big" > "--enable-multilib" > "--with-multilib-list=mx32,m64,m32" > ) > (delete "--disable-multilib" ,flags))))))) > It'd be nice to build grub-ieee1275 for powerpc64le with GCC, but in the meantime, the kludge being used is to build it with clang (since sometime in 2024). At least the package builds, so I'm closing this for now. -- Thanks, Maxim
