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> From: eryksun <eryk...@gmail.com> > To: Albert-Jan Roskam <fo...@yahoo.com> > Cc: Python Mailing List <tutor@python.org> > Sent: Thursday, January 17, 2013 3:21 PM > Subject: Re: [Tutor] Set LD_LIBRARY_PATH and equivalents > platform-independently > > On Wed, Jan 16, 2013 at 4:06 PM, Albert-Jan Roskam <fo...@yahoo.com> > wrote: >> >> Is there a builtin function that can set LD_LIBRARY_PATH or equivalents >> platform-independently? It would be nice use such a function in a setup >> script. > > Modifying LD_LIBRARY_PATH only affects child processes (ld.so caches > the search path). In contrast, Windows evaluates the current PATH when > searching for DLLs (other than SxS assemblies). What's the immediate > goal here? For building an extension module with distutils you can use > library_dirs and runtime_library_dirs (UNIX, embed an rpath) Hi Eryksun, The goal is to load the C libraries (dll, so, dylib, etc) that my program needs. Your suggestion about distutils seems very useful! I've also been checking distutils2, setuptools and distribute and I still wasn't sure which package to choose (distutils2.core doesn't seem to exist anymore, so I'll just try to use distutils). Anyway, I looked up your two suggestions about library_dirs and runtime_library_dirs. What is meant by "at link time"? (it might be that I don't understand this because English is not my mother tongue). Given your explanation, the "runtime_library_dirs" does not seem to be an option. Then your remark about rpath. Does this mean that the ELF header of the library itself is modified (I believe I read something about that on StackOverflow)? The libraries I am using are copyrighted (one can freely use them, but no reverse engineering, disentangling, etc). I am not sure whether adding an rpath will be copyright infringement. Logically, I'd say no, but I doubt whether logic applies in legal stuff. ;-) library_dirs : [string] | list of directories to search for C/C++ libraries at link time | libraries : [string] | list of library names (not filenames or paths) to link against | runtime_library_dirs : [string] | list of directories to search for C/C++ libraries at run time | (for shared extensions, this is when the extension is loaded) Regards, Albert-Jan _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
