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Double Compilation?

User discussion about Debian Development, Debian Project News and Announcements. Not for support questions.
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daengbo
Posts: 186
Joined: 2008-06-16 12:18
Location: Korea

Double Compilation?

#1 Post by daengbo »

From: http://release.debian.org/lenny/goals.txt
# double compilation support
Advocate: Martin Zobel-Helas and Luk Claes
Description: All packages should be able to be built twice in a
row.
Bug-User: debian-qa@lists.debian.org
Bug-Tag: qa-doublebuild
Bug-Url: http://bugs.debian.org/cgi-bin/pkgrepor ... oublebuild
State: confirmed
What does this really mean? Why is it important to compile twice? If you compile once, wouldn't it comile a second time?

Help me to understand.

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MeanDean
Posts: 3866
Joined: 2007-09-01 01:14

#2 Post by MeanDean »

If it doesn't clean up after itself the build may fail on repeated attempts and it is considered a FTBFS (failure to build from source) bug....

infinitycircuit
Posts: 1137
Joined: 2007-07-24 03:31
Location: California

#3 Post by infinitycircuit »

I think it means that you should be able to run fakeroot debian/rules binary twice without having to clean the source tree inbetween with fakeroot debian/rules clean.

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