On Mon, Nov 08, 2010 at 07:01:23PM +0100, Dimitry Andric wrote: > On 2010-11-08 16:34, Alexey Shuvaev wrote: > >Just FYI, you would see exact the same problem if you try to compile > >i386 world on amd64-CURRENT with clang: > >... > >/src/lib/csu/i386-elf/crt1_s.S: Assembler messages: > >/src/lib/csu/i386-elf/crt1_s.S:34: Error: suffix or operands invalid for > >`push' > >/src/lib/csu/i386-elf/crt1_s.S:37: Error: `8(%ebp)' is not a valid 64 bit > >base/index expression > >/src/lib/csu/i386-elf/crt1_s.S:38: Error: suffix or operands invalid for > >`push' > >/src/lib/csu/i386-elf/crt1_s.S:39: Error: `4(%ebp)' is not a valid 64 bit > >base/index expression > >/src/lib/csu/i386-elf/crt1_s.S:40: Error: suffix or operands invalid for > >`push' > >clang: error: assembler command failed with exit code 1 (use -v to see > >invocation) > >*** Error code 1 > >... > > > >As far as I understand this, there is no clang cross-compiler support > >at the moment. So compiler generates (somehow) i386 assembler code > >which amd64 assembler does not like. Looks like something similar happens > >here too... > > Have you read http://wiki.freebsd.org/BuildingFreeBSDWithClang, which > suggests to put: > > .if !defined(CC) || ${CC} == "cc" > CC=clang > .endif > .if !defined(CXX) || ${CXX} == "c++" > CXX=clang++ > .endif > # Don't die on warnings > NO_WERROR= > WERROR= > > in your /etc/src.conf (or make.conf, depending on your preference)? > > If you use that, it should work, at least for the build32 stage of > buildworld on amd64. This workaround is only needed on amd64, not for > i386. > Certainly, I have all these in the host machine and native buildworld works as expected. What I was talking about is cross-compiling, i.e.:
make TARGET=i386 buildworld on amd64 host. BTW, the absence of clang testers on arm architecture would not change unless the cross-compiling issue with clang is resolved. Cross-compilation is a MUST HAVE here (there is no other way to bootstrap the platform). Alexey. _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
