K 10
svn:author
V 7
linimon
K 8
svn:date
V 27
2019-04-03T07:10:33.820031Z
K 7
svn:log
V 290
MFH: r497662

Add compiler:c++11-lang to USES to fix the following on GCC-based
architectures:

  /usr/local/lib/libboost_filesystem.so: undefined reference to 'std::runtime_error::runtime_error(char const*)@GLIBCXX_3.4.21'

While here, pet portlint.

Approved by:	portmgr (tier-2 blanket)

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