Mark W. Krentel a76bacd594 boost: add variant for symbol visibility (#11801) ... Starting with 1.69.0, boost added a bjam option for the default symbol visibility. Up to 1.68.0, the value was always 'global'. 1.69.0 changed the default to 'hidden' but added an option. Most packages will work with hidden and won't notice. But some packages may discover that an interface that they rely on is now hidden and inaccessible. https://boostorg.github.io/build/manual/develop/index.html#bbv2.builtin.features.visibility		2019-06-20 17:43:25 -04:00
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spack	boost: add variant for symbol visibility (#11801)	2019-06-20 17:43:25 -04:00