[MacPorts] #30370: libpixman erroneous execution with llvm-gcc-4.2

[MacPorts]

#30370: libpixman erroneous execution with llvm-gcc-4.2
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 Reporter:  ejtttje@…                    |       Owner:  macports-tickets@…                   
     Type:  defect                       |      Status:  new                                  
 Priority:  Normal                       |   Milestone:                                       
Component:  ports                        |     Version:  2.0.0                                
 Keywords:  lion llvm-gcc-4.2 cairo pdf  |        Port:  libpixman                            
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 When executing Cairo with PDF output, the resulting PDFs are always 414
 bytes, just the PDF header and footer with no content.  I have tracked
 this down to a compilation issue in libpixman: when this lib is compiled
 with clang or gcc-4.2, then Cairo will work properly, but if libpixman
 uses the now-default llvm-gcc-4.2, then it somehow breaks Cairo.

 Please set libpixman's configure.compiler=clang

 (This was originally reported with other llvm issue for Cairo in #29842)

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Ticket URL: <https://trac.macports.org/ticket/30370>
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