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rurban (7989)

rurban
  {rurban} {at} {x-ray.at}
http://rurban.xarch.at/

cygwin maintainer for perl, parrot, clisp, postgresql, ... and some perl modules (perl-libwin32, perl-Win32-GUI). Has also some hairy CPAN packages: B::C, B::Generate, C::DynaLib, B::Debugger ...

Journal of rurban (7989)

Friday November 13, 2009
06:23 PM

B::C (perl-compiler) news

[ #39895 ]

perl has a native compiler, it just doesn't work for 5.10 and blead yet. I'm working on it in my rare spare time, but now it's winter time and I was motivated by a company which needs it.

The new cygwin gcc-4.3 has obviously still some bugs, because the B::Bytecode compiler suddenly smashes the stack, but on other platforms it still works okay.

I'm working on B::C right now.
version 1.04_21 fixed regexp (strange and hard).
Today I got xpvmg working (easy),
PADLISTs are very broken with DEBUGGING only (strange and hard),
and some more minor issues are missing.

I hope to get it ready end of february. I also have to keep an eye on my broken compiler on my main platform.

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  • Verified that indeed -fstack-protector on Cygwin gcc "4.3.4 20090804 (release) 1" is the culprit on my new ByteLoader failures.

    On my debian gcc "Debian 4.3.2-1.1" adding -fstack-protector works fine.

    So I check for that now. I'll have to remove that from my perl also, so I can release 5.10.1 finally.

    • Wrong. It was not -fstack-protector.

      I fixed it somehow, unfortunately I don't know which change fixed it.

      Lesson learned (again): Always prefer a stricter system over the lax linux. If its mingw, cygwin or solaris, linux should NOT be used for development, as you don't detect serious bugs with it.