[MacPorts] SummerOfCode modified

[MacPorts]

Changed page "SummerOfCode" by raimue at macports.org from 91.11.250.109*
Page URL: <http://trac.macports.org/wiki/SummerOfCode>
Diff URL: <http://trac.macports.org/wiki/SummerOfCode?action=diff&version=99>
Revision 99
Comment: Add a new idea

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Index: SummerOfCode
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--- SummerOfCode (version: 98)
+++ SummerOfCode (version: 99)
@@ -104,6 +104,18 @@
 Programming languages: Tcl and C[[BR]]
 Potential mentor: blb
 
+==== Check dependencies after destroot ==== #depcheck
+
+MacPorts currently has trace mode to check which files are accessed during build and if they are in the dependency chain. This requires injecting the tracelib in all code that is run and interception all open calls and make checks on the pathnames which slows down the procedure. This task is about creating another feature for verifying the dependencies of a build.
+
+A new phase would be created which is to be run after the destroot phase for checking dependencies. It would iterate over all binaries and dynamically linked libraries in the destroot which are going to be installed and check the recorded paths against the dependency chain. After that, it should report any files being linked against libraries not in the dependency chain.
+
+This would be great to do a quick check if the dependencies are met without the effort from trace mode. It could also help to identify unnecessary dependencies. If this actually runs fast enough it could as well be enabled by default, although it should only be necessary for maintainers.
+
+Classification: medium task[[BR]]
+Programming languages: Tcl and C[[BR]]
+Potential mentor: raimue
+
 ==== Binaries ==== #binaries
 
 MacPorts project does not provide binaries yet (installation of software without compiling them). This project consists in working in concert (or cooperatively) with whomever does (virtual chroot) to setup a mechanism to automatically build packages, send reports on failures and implement a distribution mechanisms to allow users to fetch binary packages. This task could extend to support universal binaries, cross-testing (building on an intel box and testing on a powerpc box) and extending the livecheck mechanism to automatically send reports when ports are updated.

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