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add test for <type_traits> to FindCXX11Features.cmake

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I fogot this one yesterday...
This commit is contained in:
Andreas Lauser 2013-08-11 16:43:35 +02:00 committed by Andreas Lauser
parent 41b7b316f7
commit 054c353606
1 changed files with 21 additions and 0 deletions
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21
cmake/Modules/FindCXX11Features.cmake
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@ -3,6 +3,7 @@
#
# Sets the follwing variable:
#
# HAVE_TYPE_TRAITS True if the <type_traits> header is available and implements sufficient functionality
# HAVE_SHARED_PTR True if std::shared_ptr is available
# HAVE_UNIQUE_PTR True if std::unique_ptr is available
# HAVE_NULLPTR True if nullptr is available
@ -45,6 +46,22 @@ endif(CXX_FLAG_CXX11)
# perform tests
include(CheckCXXSourceCompiles)
# std::is_convertible, std::is_base_of
CHECK_CXX_SOURCE_COMPILES("
#include <type_traits>
class Base {};
class Derived : public Base {};
int main()
{
bool foo = std::is_convertible<int, double>::value;
bool bar = std::is_base_of<Base, Derived>::value;
return 0;
}
" HAVE_TYPE_TRAITS
)
# nullptr
CHECK_CXX_SOURCE_COMPILES("
#include <memory>
@ -322,6 +339,10 @@ endforeach(_HEADER tuple tr1/tuple tr1/type_traits)
# superset of those provided by GCC 4.4. This makes the test fail on
# all GCC compilers before 4.4.
set(CXX_FEATURES_MISSING "")
if (NOT HAVE_TYPE_TRAITS)
set(CXX_FEATURES_MISSING
"${CXX_FEATURES_MISSING} - Sufficiently conformant type traits (defined by the 'type_traits' header file)\n")
endif()
if (NOT HAVE_SHARED_PTR)
set(CXX_FEATURES_MISSING
"${CXX_FEATURES_MISSING} - Shared pointers (the std::shared_ptr class)\n")