I see:
> Rcpp:::capabilities()["variadic templates"]
variadic templates
FALSEThis is checked here:
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#ifdef HAS_VARIADIC_TEMPLATES |
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LOGICAL(cap)[0] = TRUE; |
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#else |
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LOGICAL(cap)[0] = FALSE; |
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#endif |
But HAS_VARIADIC_TEMPLATES is never set (note that the defines are commented out):
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// Check C++0x/11 features |
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#if defined(__INTEL_COMPILER) |
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#if __cplusplus >= 201103L |
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#define RCPP_USING_CXX11 |
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#if __INTEL_COMPILER >= 1210 |
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// #define HAS_VARIADIC_TEMPLATES |
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#endif |
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#if __INTEL_COMPILER >= 1100 |
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#define HAS_STATIC_ASSERT |
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#endif |
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#endif |
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#elif defined(__clang__) |
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#if __cplusplus >= 201103L |
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#define RCPP_USING_CXX11 |
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#if __has_feature(cxx_variadic_templates) |
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// #define HAS_VARIADIC_TEMPLATES |
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#endif |
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#if __has_feature(cxx_static_assert) |
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#define HAS_STATIC_ASSERT |
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#endif |
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#endif |
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#elif defined(__GNUC__) |
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#ifdef __GXX_EXPERIMENTAL_CXX0X__ |
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#if GCC_VERSION >= 40300 |
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// #define HAS_VARIADIC_TEMPLATES |
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#define HAS_STATIC_ASSERT |
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#endif |
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#endif |
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#if GCC_VERSION >= 40800 && __cplusplus >= 201103L |
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#define RCPP_USING_CXX11 |
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#endif |
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#endif |
I see:
This is checked here:
Rcpp/src/api.cpp
Lines 174 to 178 in dfa585d
But
HAS_VARIADIC_TEMPLATESis never set (note that the defines are commented out):Rcpp/inst/include/Rcpp/platform/compiler.h
Lines 66 to 97 in dfa585d