Dear god that is evil. How the hell is doing that sort of stuff.
Adam K On 17/11/2007, Michael G Schwern <[EMAIL PROTECTED]> wrote: > > A bug in MakeMaker's parse_version() was found recently. Module::Build > has > the same bug. > https://rt.cpan.org/Ticket/Display.html?id=30747 > > It's reproducible by getting the version from a module like this: > > $VERSION = 1.23; sub version { $VERSION } > > and then this: > > use version; $VERSION = version->new(2.34); > > The version() routine pollutes the namespace in which the $VERSION code is > evaled. It thinks version->new() is version()->new() calling the > polluting > version() routine. MakeMaker fixed it by deleting any version() routines > from > the symbol table before trying to eval the $VERSION code. > > Here's code to reproduce: > > $ cat Version_Sub.pm > package Version_Sub; > > $VERSION = 1.23; sub version { $VERSION } > > 1; > > > $ cat Uses_version.pm > package Uses_version.pm; > > use version; $VERSION = version->new(2.34); > > 1; > > > $ perl -wle 'use aliased "Module::Build::ModuleInfo"; print > ModuleInfo->new_from_file("Version_Sub.pm")->version; print > ModuleInfo->new_from_file("Uses_version.pm")->version' > 1.23 > Can't call method "new" without a package or object reference at (eval 10) > line 8, <GEN1> line 3. > > > -- > Insulting our readers is part of our business model. > http://somethingpositive.net/sp07122005.shtml > >
