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authorAndrew Tridgell <tridge@samba.org>2010-04-15 13:59:51 +1000
committerAndrew Tridgell <tridge@samba.org>2010-04-15 14:01:06 +1000
commit34887de6b0615f0f63f497f9020d1c059643f8ec (patch)
tree13d81b40c13bb95478d602a62b9e9a83e3f22c9b /m4
parent167ba0eac902238d970b8312a6cbc87cf48af91a (diff)
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build: ensure we don't recreate library loops in expansions
after removing library loops from the dependeny graph, we re-add parent dependencies. We need to ensure that we don't re-add a dependency which re-creates the loop we so carefully removed. This also adds a final check for library dependency loops, and shows an appropriate error if one is found.
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