The underlying issue is that the implementation of OS X dynamic linking is dependent system architecture. As I understand it, OS X 10.5.8 has a 32 bit kernel, so its dynamic linking is not forward-compatible with 64 bit OS X versions, for which SHELX-2013 seems to built.
Also, to be fair, it's not as if Linux users have ever been able to migrate from from 32 bit to 64 bit without a complete system overhaul. So while I believe that OS X may not be the optimal OS of the future, the 32/64 bit incompatibility should not be blamed as the reason. James p.s. What I don't understand is why the dynamic loader was ever needed in the first place. As a "zero dependency" program, wouldn't it make sense just to statically compile all of the SHEL* programs at the cost of a little bigger downloads? On Feb 27, 2013, at 3:10 AM, Tim Gruene wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > phew - and people claim, macs were user-friendly. On Linux you just > add '-static' (at least for command line tools as the shelx programs) > and make the sane assumption that the kernel is less than say 10 years > old... > > Tim > > On 02/26/2013 04:50 PM, Guangyu Zhu wrote: >> I just downloaded it. I'm using Mac 10.5.8 and getting error >> messages: >> >> dyld: unknown required load command 0x80000022 Trace/BPT trap >> >> Google search shows that: >> >> >> You should contact the developer of this application. Only the >> developer can fix this. The application was incorrectly built on a >> OS X 10.6 machine for a OS X 10.5 machine. The developer can fix >> this by considering three things: >> >> >> 1. Using the correct compiler parameters: gcc-4.2 >> -mmacosx-version-min=10.5 -isysroot /Developer/SDKs/MacOSX10.5.sdk >> ... >> >> >> 2. Using the correct linker settings (setting environment variable >> before link command). This is required, so that the OS X 10.6 >> linker will not use the loader command 'LC_DYLD_INFO_ONLY' >> (=0x80000022), because OS X 10.5 does not understand this command: >> >> export MACOSX_DEPLOYMENT_TARGET=10.5 (or setenv >> MACOSX_DEPLOYMENT_TARGET=10.5) >> >> >> After this is fixed, one can check if the application was correctly >> built for OS X 10.5 by running 'otool': >> >> otool -l binary >> >> The correct binary should not contain any 'LC_DYLD_INFO_ONLY' >> load commands (only 'LC_DYLD_INFO' commands). >> >> >> (also see my blog article http://grauonline.de/wordpress/?p=71 ) >> >> >> >> Is it possible to build one for Mac 10.5.8? >> >> Thanks! >> >> Guangyu Zhu >> >> On 2/26/13 3:32 AM, "George Sheldrick" >> <gshe...@shelx.uni-ac.gwdg.de> wrote: >> >>> As some of you have already discovered, there is a major new >>> release of the whole of SHELX (the first since 1997) complete >>> with a new homepage that should make downloads easier. To obtain >>> the programs, please point your browser to: >>> >>> http://shelx.uni-ac.gwdg.de/SHELX/ >>> >>> and then 'register' (top of blue menu, upper left). You will >>> then receive the password immediately by email and can then go to >>> 'downloads'. The procedure has been designed to make life >>> difficult for spammers etc. A little program (in FORTRAN of >>> course) turns the registrations into a sorted users' list, which >>> I hand-edit where necessary before it appears on the homepage, >>> this may take a few days. The homepage also provides access to >>> extensive documentation, FAQs etc. Please let me know of any >>> problems (even typos) with the homepage and programs, with so >>> much new material there are sure to be some bugs. The new >>> versions replace all previous versions including beta-tests and >>> almost all the programs have been improved since their last >>> beta-test version (see 'recent changes'). >>> >>> In particular, the new shelxe_2013/2 corrects a couple of serious >>> bugs in the autotracing from MR models and MRSAD present in the >>> beta-test 2013/1. >>> >>> George >>> >>> >>> -- Prof. George M. Sheldrick FRS Dept. Structural Chemistry, >>> University of Goettingen, Tammannstr. 4, D37077 Goettingen, >>> Germany Tel. +49-551-39-3021 or -3068 Fax. +49-551-39-22582 >> > > - -- > - -- > Dr Tim Gruene > Institut fuer anorganische Chemie > Tammannstr. 4 > D-37077 Goettingen > > GPG Key ID = A46BEE1A > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.12 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iD8DBQFRLduMUxlJ7aRr7hoRAkNUAJ99nANlYCXYmlOqTpvKnDJyg+A1bwCdF7GA > Ag8n9o/IzBAkuX+HBfH8cMw= > =WBV3 > -----END PGP SIGNATURE-----
