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authorAndrew Tridgell <tridge@samba.org>2010-12-08 14:52:43 +1100
committerAndrew Tridgell <tridge@samba.org>2010-12-08 05:26:06 +0100
commit35134214ae819ad26ec388fa44dd37b24d72d3c4 (patch)
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parentd0c93ba115a942403982011d01c443aa18513fe7 (diff)
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waf: use -Wl,--version-script if available
This enables symbol version on our libraries, if the system supports it If the library is a public library, then set the symbol version based on the major number. If it is a private library then set it based on the full version number (which will include the git hash if available). This ensures that applications using our libraries don't use symbols from other libraries that they may be linked to. It also ensures we only use the right version of any private libraries. Note that the linker ends up generating both a version and unversioned symbol for all symbols. This means existing users of our public libraries will continue to work, with symbols resolved to the unversioned symbol. When applications are re-linked they will bind to the specific symbol version. Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org> Pair-Programmed-With: Jelmer Vernooij <jelmer@samba.org>
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