Commits
Merge pull request #1797 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:gnu-flags-work to develop * commit 'd5031a55192ac6b8ca81a0e5315cb4739af98896': Removed support for gcc 4.3 and earlier. Fix errant quotes * Fixed a bug in the gcc warning parsing * Changed version parsing from == gcc 4.x to < to handle ancient compilers. Reworked the config/gnu-flags file to be more organized and robust. Converted duplicated flags code to a set of if statements.