Parses compiler settings from a .ini file.
Find the config file
Read and analyze .ini file. Write the entries into environment as well as any entries in one of the specified section(s).
Read from environment, looking for cached value first.
Update real environment with our copy.
See Source File _dinifile.d Documentation: https://dlang.org/phobos/dmd_dinifile.html Coverage: https://codecov.io/gh/dlang/dmd/src/master/src/dmd/dinifile.d
Walter Bright
Copyright (C) 1994-1998 by Symantec Copyright (C) 2000-2020 by The D Language Foundation, All Rights Reserved
Boost License 1.0
Parses compiler settings from a .ini file.