Hi all~ I would like to add gtest to my project with ExternalProject_Add(), and I'm using the vs2012 RC compiler to compile everything. I'm getting compile errors related to gtest using tuples:
4>H:\perforce\bin\vs11x64.SuperBuild\external\gtest\src\gTest\include\gtest/gtest-printers.h(550): error C2977: 'std::tuple' : too many template arguments 4> 4> 2> C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\include\utility(73) : see declaration of 'std::tuple' 4> 4>H:\perforce\bin\vs11x64.SuperBuild\external\gtest\src\gTest\include\gtest/gtest-printers.h(558): error C2977: 'std::tuple' : too many template arguments 4> 4> 2> C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\include\utility(73) : see declaration of 'std::tuple' This is a known problem with gtest and visual studio 2012, as noted here: http://stackoverflow.com/questions/8274588/c2977-stdtuple-too-many-template-arguments-msvc11 http://code.google.com/p/googletest/issues/detail?id=412 I would like to define the _VARIADIC_MAX=10 preprocessor definition for the gtest cmake project, such that when my ExternalProject_Add() compiles gtest, this preprocessor symbol is defined and gtest compiles correctly. I manually tested that the preprocessor definition works. So how to pass the preprocessor definition though ExternalProject_Add()? Any ideas? I would like to avoid having to use the PATCH_COMMAND to patch the gtest cmake files. Thanks for your ideas, Kent
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