Dimitry Andric f2f3ab67ff graphics/py-pygraphviz: fix build with clang 15 ... During an exp-run for llvm 15 (see bug 265425), it turned out that graphics/py-pygraphviz failed to build with clang 15: pygraphviz/graphviz_wrap.c:3047:12: error: incompatible pointer to integer conversion returning 'Agsym_t *' (aka 'struct Agsym_s *') from a function with result type 'int' [-Wint-conversion] return agattr(g, kind, name, val); ^~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. In graphviz.i and the swig-generated graphviz_wrap.c, the agattr_label() function is incorrectly labeled as returning 'int', while it should return 'Agsym_t *' instead. Upstream fixed this as part of a much bigger commit [1], and they also regenerated the swig wrapper. For our case, it is simpler to patch the wrapper instead, as otherwise you would have to add swig as a build-time dependency. [1] 79fdee1787 PR: 268278 Approved by: portmgr (tcberner) MFH: 2022Q4		2022-12-18 18:29:15 +01:00
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