Fix (lack of) building without C++11 support

[grisumbras]

No description provided.

[grisumbras]

This should fix Boost builds without C++11 support

[vinniefalco]

Suggested commit message: "Builds prior to C++11 are no-ops"

[codecov]

Codecov Report

Merging #497 (2f1c258) into develop (f0ea69f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #497   +/-   ##
========================================
  Coverage    99.10%   99.10%           
========================================
  Files           67       67           
  Lines         6047     6047           
========================================
  Hits          5993     5993           
  Misses          54       54           

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[grisumbras]

Do you think there's a need for CI test for no-op build with cxxstd=03?

[vinniefalco]

Please change "Adds back GCC 4.8 support" to "gcc-4.8 is supported"

[vinniefalco]

Do you think there's a need for CI test for no-op build with cxxstd=03?

Up to you

[cppalliance-bot]

Benchmark test results. More info at https://benchmark.cppalliance.org/jsonbenchmarks-pullrequests/497/pullrequest.html

[cppalliance-bot]

Benchmark test results. More info at https://benchmark.cppalliance.org/jsonbenchmarks-pullrequests/497/pullrequest.html

[vinniefalco]

Can we please change the commit message to "gcc-4.8 is supported" ? Use an interactive rebase (git rebase -i) then force-push the branch.

[grisumbras]

Which commit?

[vinniefalco]

This one:

[cppalliance-bot]

Benchmark test results. More info at https://benchmark.cppalliance.org/jsonbenchmarks-pullrequests/497/pullrequest.html