[MacPorts] #66159: gdk-pixbuf dependents malloc issue

[MacPorts]

#66159: gdk-pixbuf dependents malloc issue
--------------------------+------------------------
 Reporter:  barracuda156  |      Owner:  kencu
     Type:  defect        |     Status:  assigned
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.8.0
 Keywords:  powerpc       |       Port:  gdk-pixbuf
--------------------------+------------------------
 I get this when installing some `gdk-pixbuf` dependents:
 {{{
 gdk-pixbuf-query-loaders(9010) malloc: *** error for object 0xa0931034:
 Non-aligned pointer being freed
 *** set a breakpoint in malloc_error_break to debug
 gdk-pixbuf-query-loaders(9010) malloc: *** error for object 0xa09310a4:
 Non-aligned pointer being freed
 *** set a breakpoint in malloc_error_break to debug
 }}}
 This happens ''after'' install, before cleaning build directory. So
 install succeeds.

 `gdk-pixbuf` is built with `gcc-4.2`, as we as its dependents are (say,
 `librsvg`). So we should not get a double `libstdc++` issue as in other
 `malloc` errors cases.

 What may cause this, any ideas?

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Ticket URL: <https://trac.macports.org/ticket/66159>
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