<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Our windows debug builds of clang have started failing with this error message:<o:p></o:p></p><p class=MsoNormal>…snip…\llvm\tools\clang\lib\ASTMatchers\Dynamic\Registry.cpp : fatal error C1128: number of sections exceeded object file format limit : compile with /bigobj […snip…\llvm\tools\clang\lib\ASTMatchers\Dynamic\clangDynamicASTMatchers.vcxproj]<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This is building the debug configuration using the MSVC from Visual Studio Pro 2012 update 4, the release build of the same source succeeded. The source used was LLVM/clang trunk as of about 0500 UTC. The build of the source from the same time a day before succeeded.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The error is caused by one object file which would have to contain more than 2^16 sections. Adding /bigobj should fix this, but should LLVM be able to build without this option?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The buildbots did not catch this because it only occurs for debug builds.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Oliver<o:p></o:p></p></div></body></html>