Message ID | 20220621075147.36297-1-pbonzini@redhat.com |
---|---|
Headers | show |
Series | Fix support for biarch compilers and cross cflags | expand |
On 21/06/2022 04:51, Paolo Bonzini wrote: > This series fixes two bugs with configure's cross compilation detection: > > - first, --cross-cflags is not obeyed by pc-bios/ compilation > > - second, on a ppc64le machine, the host compiler can be used for ppc64 > tests/tcg; That may be true for the compiler, but the complete toolchain is usually single endian. For instance, Debian/Ubuntu, Fedora, and FreeBSD lack libc and crt*.o for the foreign endianness. So we'd be able to build ppc64-softmmu tests (which are not upstream yet) but not ppc64-linux-user in ppc64le hosts. > however, this is not being done because $cpu does not > match the target. Likewise, on an x86_64 machine the host compiler > can be used to build both i386 tests/tcg and pc-bios/optionrom, but > the special casing done by the configure script only covers the latter. > > The two are related because, if only the first was fixed, pc-bios/optionrom > would use either the i386 or the x86_64 cflags depending on which cross > compiler was found. So patches 2-4 tackle not just the cross CFLAGS > problem with pc-bios, but also the biarch compiler problem with i386 > and ppc. Patch 5 then covers the other biarch compilers. > > The other two patches are just cleanups. > > Supersedes: <20220607094031.1227714-1-pbonzini@redhat.com> > > Paolo Bonzini (6): > pc-bios/optionrom: use -m16 unconditionally > configure, pc-bios/optionrom: pass cross CFLAGS correctly > configure, pc-bios/s390-ccw: pass cross CFLAGS correctly > configure, pc-bios/vof: pass cross CFLAGS correctly > configure: allow more host/target combos to use the host compiler > configure: write EXTRA_CFLAGS for all sub-Makefiles > > configure | 50 ++++++++++++++++++----------------- > pc-bios/optionrom/Makefile | 15 +---------- > pc-bios/optionrom/code16gcc.h | 3 --- > pc-bios/s390-ccw/Makefile | 20 +++++++------- > pc-bios/s390-ccw/netboot.mak | 6 ++--- > pc-bios/vof/Makefile | 8 +++--- > 6 files changed, 43 insertions(+), 59 deletions(-) > delete mode 100644 pc-bios/optionrom/code16gcc.h > > -- > 2.36.1 > > Thanks, Matheus K. Ferst Instituto de Pesquisas ELDORADO <http://www.eldorado.org.br/> Analista de Software Aviso Legal - Disclaimer <https://www.eldorado.org.br/disclaimer.html>