Changes for version 0.315 - 2017-08-02
- add check_builtin
- perltidy code and add perltidy test (taken from MooX::Options)
- ensure for many check_* methods that externally controlled ac_av_* environment variables are correctly passed into config.h
- fix check_dirent_header to cache proving header and proving availability of 'DIR *' in such a header separately
A module to implement some of AutoConf macros in pure perl.