scheibelp 020ce7735d Skip collection of compilers which report an empty version (#6684) ... Fixes #6200 For compilers that successfully run a version detection script but don't actually return a version, Spack was keeping track of the empty version and then failing when attempting to construct a compiler spec. This skips any attempt to add a compiler entry when no version is reported (but logs when a compiler fails to report a version).		2017-12-14 17:54:57 -08:00
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spack	Skip collection of compilers which report an empty version (#6684)	2017-12-14 17:54:57 -08:00