polyvox/cmake/Modules/CheckCXX11Features/cxx11-test-constexpr.cpp
Matt Williams a24fcc0c03 Add C++11 compiler support detection feature
This is currently copied from http://quickgit.kde.org/index.php?p=scratch%2Fdakon%2Fcmake-cxx11.git
but there is a chance that in future it will be merged into CMake proper.
2012-11-23 15:41:25 +00:00

20 lines
252 B
C++

constexpr int square(int x)
{
return x*x;
}
constexpr int the_answer()
{
return 42;
}
int main()
{
int test_arr[square(3)];
bool ret = (
(square(the_answer()) == 1764) &&
(sizeof(test_arr)/sizeof(test_arr[0]) == 9)
);
return ret ? 0 : 1;
}