Date: Wed, 13 Aug 2014 14:56:08 +0200 From: u-igbb@...ey.se To: musl@...ts.openwall.com Subject: Re: compiling musl on x86_64 linux with ppc On Wed, Aug 13, 2014 at 08:38:32AM -0400, Rich Felker wrote: > > I am trying to compile musl 1.1.4 on x86_64 with ppc (latest from cvs). > > Are you sure it's latest? If you're using a snapshot there are > multiple branches (iirc 1.0.DEVEL and 1.1.DEVEL or something like > that) and the old one is very outdated and broken. I did my best to locate the latest one, it seems to present itself as 1.1.0.DEVEL > > src/aio/aio_readwrite.c, line 23: compiler error: unsupported xasm constraint r11 > > error: XXXXX/libexec/ccom terminated with status 1 > > make: *** [src/aio/aio_readwrite.o] Error 1 > > ----------- > > > > Is there any way around this, short of adding the register assignment > > functionality to the compiler? > > Just use the #ifdef __clang__ branch of the code which handles the > same brokenness in clang. :-) According to Anders Magnusson (he replied on pcc-list) it is sufficient to refer to r11 as %r11 to make it work. He thinks otherwise of adding the alias r11 for %r11 in pcc. Indeed, with a change of all "r11" to "%r11" in arch/x86_64/syscall_arch.h the compilation went through without disabling the separate __syscallN(). My goal is a musl-based selfcontained pcc toolchain. I'd like to also have a tcc-based one but musl seems to be too hard a target for tcc yet :( sigh. Rune
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.