On 2012-11-25, at 17:03, "David T. Lewis" <le...@mail.msen.com> wrote:
> > To summarize my understanding of this issue (see below for background): > > - powerpcspe is variant of powerpc that lacks certain parts of the powerpc > instruction set, as explained here: http://wiki.debian.org/PowerPCSPEPort > > - The FFI plugin has architecture-specific assembler modules that set > up the entry points for FFI calls. The assembly module for powerpc is > platforms/unix/plugins/SqueakFFIPrims/ppc-sysv-asm.S > > - The ppc-sysv-asm.S module uses one or more instructions ('lfd', possibly > others) that are not available on the powerpcspe processor, and the the > module cannot be compiled on powerpcspe. > > - The solution for the Debian build is to not build the FFI plugin when > compiling for powerpcspe. This is done by passing the --without-SqueakFFIPrims > option to the cmake configure when building on powerpcspe. > > - The configuration is done in a file called debian/rules, and the provided > squeak-vm.patch is a patch for that rules file. This file is not part of > the Squeak VM platforms sources and is presumably maintained externally > by the Debian folks. > > - The right way to fix the build problem in the platforms sources would be > to modify platforms/unix/plugins/SqueakFFIPrims/config.cmake to disable > the FFI plugin for powerpcspe at configure time. This is probably easy to > do, although I do not have a way to try it myself. > > - Extra credit: If someone wanted FFI to work on powerpcspe, the way to make > this happen would be to write a variation of ppc-sysv-asm.S for powerpcspe > and add it to config.cmake. > > Dave Instead of disabling FFI it might be possible to fall back to libffi, as is done for some other architectures (e.g. ARM). - Bert - > > On Mon, Nov 19, 2012 at 06:38:10PM +0100, Bert Freudenberg wrote: >> >> Begin forwarded message: >> >>> Resent-From: Roland Stigge <sti...@antcom.de> >>> From: Roland Stigge <sti...@antcom.de> >>> Subject: Bug#693633: squeak-vm: FTBFS on powerpcspe (asm stfd/lfd) >>> Date: 18. November 2012 21:10:04 MEZ >>> Resent-To: debian-bugs-dist@lists.debian.org >>> To: Debian Bug Tracking System <sub...@bugs.debian.org> >>> Resent-Cc: Debian Squeak Team <pkg-squeak-de...@lists.alioth.debian.org> >>> Reply-To: Roland Stigge <sti...@antcom.de>, 693...@bugs.debian.org >>> >>> Package: squeak-vm >>> Version: 1:4.4.7.2357-1.1 >>> Severity: wishlist >>> Tags: sid patch >>> User: debian-powerpc...@breakpoint.cc >>> Usertags: powerpcspe >>> >>> Hi, >>> >>> squeak-vm FTBFS on powerpcspe [1] like this: >>> >>> [ 82%] Building ASM object >>> SqueakFFIPrims/CMakeFiles/SqueakFFIPrims.dir/<C2><AB>PKGBUILDDIR<C2><BB>/unix/plugins/SqueakFFIPrims/ppc-sysv-asm.S.o >>> /PKGBUILDDIR/unix/plugins/SqueakFFIPrims/ppc-sysv-asm.S: Assembler messages: >>> /PKGBUILDDIR/unix/plugins/SqueakFFIPrims/ppc-sysv-asm.S:109: Error: >>> Unrecognized opcode: `lfd' >>> [...] >>> >>> There are some asm statements that only work on powerpc but not on >>> powerpcspe. >>> >>> Attaching a patch that fixes it by disabling the SqueakFFIPrims plugin on >>> powerpcspe. >>> >>> Thanks, >>> >>> Roland >>> >>> >>> [1] http://wiki.debian.org/PowerPCSPEPort >>> >>> -- System Information: >>> Debian Release: wheezy/sid >>> APT prefers unstable >>> APT policy: (500, 'unstable'), (1, 'experimental') >>> Architecture: amd64 (x86_64) >>> >>> Kernel: Linux 3.5.0 (SMP w/4 CPU cores) >>> Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8) (ignored: >>> LC_ALL set to en_GB.UTF-8) >>> Shell: /bin/sh linked to /bin/dash > > >>> >> > -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org