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Build slaves on automation are based on Centos 6, which doesn't have a recent enough version of libstdc++ for our new requirements. But since we're building with a recent GCC or clang with its own libstdc++, we do have such a libstdc++ available somewhere, and the compiler picks it when invoking the linker. Problems start happening when we execute some of the built programs during the build, like host tools (e.g. nsinstall), or target programs (xpcshell, during packaging). In that case, we need the compiler's libstdc++ to be used. Which required adding the GCC or clang library directory to LD_LIBRARY_PATH. Unconveniently enough, the clang 3.5 tooltool package we're using for ASAN builds until we can update to at least 3.8 (bug 1278718) doesn't contain libstdc++.so. So for those builds, pull the GCC package from tooltool as well, and pick libstdc++ from there.
An explanation of the Mozilla Source Code Directory Structure and links to
project pages with documentation can be found at:
https://developer.mozilla.org/en/Mozilla_Source_Code_Directory_Structure
For information on how to build Mozilla from the source code, see:
http://developer.mozilla.org/en/docs/Build_Documentation
To have your bug fix / feature added to Mozilla, you should create a patch and
submit it to Bugzilla (https://bugzilla.mozilla.org). Instructions are at:
http://developer.mozilla.org/en/docs/Creating_a_patch
http://developer.mozilla.org/en/docs/Getting_your_patch_in_the_tree
If you have a question about developing Mozilla, and can't find the solution
on http://developer.mozilla.org, you can try asking your question in a
mozilla.* Usenet group, or on IRC at irc.mozilla.org. [The Mozilla news groups
are accessible on Google Groups, or news.mozilla.org with a NNTP reader.]
You can download nightly development builds from the Mozilla FTP server.
Keep in mind that nightly builds, which are used by Mozilla developers for
testing, may be buggy. Firefox nightlies, for example, can be found at:
https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-central/
- or -
http://nightly.mozilla.org/