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"This program has been compiled without magic library support." "Ignoring the -magic option."

Does this mkisofs/genisoimage message require a bug report? I receive it when trying to respin a Fedora 8 PPC disk. I don't like the message because the command I used is what pungi/anaconda use to create the PPC ISO files http://lists.infradead.org/pipermail/fedora-ppc/2007-July/001003.html. The message occurs on a Fedora 7 distribution.

You can follow what I am doing here http://fedoraproject.org/wiki/PlayStation/Ps3ReSpin. Thanks to all of you on the list that posted questions and answers because that helped me generate the ISO. Anyhow, I have been working on a PS3 Respin ISO document. I want to use the Sony add-on CD to work around the Fedora 8 video driver issue. I have a working document that creates a PPC oriented ISO file but the magic warning appears.

The PS3 system is my first exposure to the PowerPC way of doing things and lack the background on how or if this is a serious issue or not. Google searches bring back mkisofs pages like so http://linux.about.com/library/cmd/blcmdl8_mkisofs.htm However, it looks like the order of the -map and -magic directives avoid errors in the pungi Anaconda builds as per the mkisofs man page.

mkisofs page

HFS CREATOR/TYPE

A Macintosh file has two properties associated with it which define which application created the file, the CREATOR and what data the file contains, the TYPE. Both are (exactly) 4 letter strings. Usually this allows a Macintosh user to double-click on a file and launch the correct application etc. The CREATOR and TYPE of a particular file can be found by using something like ResEdit (or similar) on a Macintosh.

The CREATOR and TYPE information is stored in all the various Apple/Unix encoded files. For other files it is possible to base the CREATOR and TYPE on the filename's extension using a mapping file (the -map option) and/or using the magic number (usually a signature in the first few bytes) of a file (the -magic option). If both these options are given, then their order on the command line is important. If the -map option is given first, then a filename extension match is attempted before a magic number match. However, if the -magic option is given first, then a magic number match is attempted before a filename extension match.

My command string and error message. /usr/bin/mkisofs -v -U -J -R -T -part -hfs -r -l -sysid PPC -no-desktop \

    -allow-multidot -chrp-boot \
    -map /prs/ppcbootiso/ppcboot/mapping \
    -magic /prs/ppcbootiso/ppcboot/magic \
    -hfs-bless /prs/ppcbootrespin/f8petitboot/ppc/mac \
    -V "F8 ppc respin" -o  ../f8petitboot.iso \
    /prs/ppcbootrespin/f8petitboot

This program has been compiled without magic library support. Ignoring the -magic option. Warning: creating filesystem that does not conform to ISO-9660. genisoimage 1.1.6 (Linux)

Please advise, Greg