The blueman package in fedora depends on hal, but it shouldn't be that way according to this page: http://blueman-project.org/downloads.html you can see that hal isn't in the deplist. so just remove the dependency from the spec file.
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Apart from smolt, this is the only thing keeping HAL on the kde spin. Tested on kde-x86_64-20101214.16.iso (with blueman 1.21-6.fc15)
you really should do something about it: http://lists.fedoraproject.org/pipermail/devel/2011-March/149538.html in short: hal is going to be orphaned soon in fedora 15, and is going to be retired in rawhide.
Further examination reveals that Blueman require HAL only for the "NMIntegration" plugins, and for that it also has to be built with --enable-hal (doesn't appear in the spec) and list hal-devel as BuildRequires (also doesn't appear on the spec)! Meaning the the line Requires: hal is not needed. You can see in the spec change log, that HAL was disabled long ago, and I think the Require line just left behind, forgotten. Same case for PolicyKit-gnome dependency (bug #668156), although blueman in fedora is compiled with --disable-polkit, the spec file lists PolicyKit-gnome as a dependency.
Sent email to the maintainer. Maybe now he'll stop ignoring.
blueman-1.21-7.fc14 has been submitted as an update for Fedora 14. https://admin.fedoraproject.org/updates/blueman-1.21-7.fc14
blueman-1.21-8.fc15 has been submitted as an update for Fedora 15. https://admin.fedoraproject.org/updates/blueman-1.21-8.fc15
The submitted updates have never been pushed to stable.
blueman-1.21-8.fc15 has been pushed to the Fedora 15 stable repository. If problems still persist, please make note of it in this bug report.