Greg Becker ccf94ded67 Compilers: use Compiler._real_version for flag version checks (#18179) ... Compilers can have strange versions, as the version is provided by the user. We know the real version internally, (by querying the compiler) so expose it as a property and use it in places we don't trust the user. Eventually we'll refactor this with compilers as dependencies, but this is the best fix we've got for now. - [x] Make `real_version` a property and cache the version returned by the compiler - [x] Use `real_version` to make C++ language level flags work		2020-08-19 21:56:06 -07:00
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spack	Compilers: use Compiler._real_version for flag version checks (#18179)	2020-08-19 21:56:06 -07:00