For each link given as http://, verify that the site is accessible over
https:// and, if so, switch to it. These domains were converted:
* llvm.org
* clang.llvm.org
* en.cppreference.com
* www.dxx-rebirth.com
* www.libsdl.org
* www.scons.org
- Remove the one test that clang-5 still fails.
- Require all remaining tests to pass using only C++11 native
static_assert.
- Remove preprocessor-based alternative static_assert implementations.
gcc-8 adds calls to static_assert with a comma inside its first
argument in the implementation of std::vector. This is legal within the
standard, but conflicts with Rebirth's use of static_assert as a
two argument preprocessor macro. The macro is not substantially useful,
and was only present to compensate for the clang limitation removed in
the previous commit. Remove the macro.
References: <https://github.com/dxx-rebirth/dxx-rebirth/issues/388>
Previously, SConstruct tested whether static_assert worked with trivial
constant expressions. Extend the test to more complicated expressions
like the ones used in the program.
Replace the typedef based approach with an inline enum to avoid warnings
about unused local typedefs.
Allow use with compilers that lack working static_assert or that cannot
accept complicated expressions. Add a non-checking definition that uses
the input parameter. This prevents warnings when types or constants are
used only for the static_assert.
When static_assert is a macro, it must have two arguments as seen by the
preprocessor. Add an identity mapping to the native case to enforce
this, and fix up all the sites that break with the new rule.
