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Added compiler feature suppression macros

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_NO_ forms to disable detection of features - particularly C++11 features.
Also removed SFINAE detection (and use in tostring)
This commit is contained in:
Phil Nash
2015-06-30 08:41:55 +01:00
parent 21f7ef6fdc
commit 7ab3b5aefb
4 changed files with 59 additions and 127 deletions
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14
docs/configuration.md
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@@ -52,14 +52,18 @@ This can be useful on certain platforms that do not provide ```std::cout``` and
# C++ conformance toggles
CATCH_CONFIG_CPP11_NULLPTR
CATCH_CONFIG_CPP11_NOEXCEPT
CATCH_CONFIG_SFINAE // Basic, C++03, support for SFINAE
CATCH_CONFIG_VARIADIC_MACROS // Usually pre-C++11 compiler extensions are sufficient
CATCH_CONFIG_NO_VARIADIC_MACROS // Suppress if Catch is too eager to enable it
CATCH_CONFIG_CPP11_NULLPTR // nullptr is supported?
CATCH_CONFIG_CPP11_NOEXCEPT // noexcept is supported?
CATCH_CONFIG_CPP11_GENERATED_METHODS // delete and default keywords for methods
CATCH_CONFIG_CPP11_IS_ENUM // std::is_enum is supported?
CATCH_CONFIG_CPP11_TUPLE // std::tuple is supported
CATCH_CONFIG_VARIADIC_MACROS // Usually pre-C++11 compiler extensions are sufficient
Catch has some basic compiler detection that will attempt to select the appropriate mix of these macros. However being incomplete - and often without access to the respective compilers - this detection tends to be conservative.
So overriding control is given to the user. If a compiler supports a feature (and Catch does not already detect it) then one or more of these may be defined to enable it (or suppress it, in some cases). If you do do this please raise an issue, specifying your compiler version (ideally with an idea of how to detect it) and stating that it has such support.
You may also suppress any of these features by using the `_NO_` form, e.g. `CATCH_CONFIG_CPP11_NO_NULLPTR`.
All C++11 support can be disabled with `CATCH_CONFIG_NO_CPP11`
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