Commits
Merge pull request #2529 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_10 to hdf5_1_10 * commit '68adfb86d056af222ab80c349c56e0bd1d183f09': Merge pull request #2537 in HDFFV/hdf5 from ~DYOUNG/werror:fix-werrors to develop Move ADD_H5_FLAGS macro from *CompilerFlags.cmake files to config/cmake_ext_mod/HDFMacros.cmake for common use. Restrict errors to gcc 4.8 and above. Fix NoFilter build TRILAB-244 separate CXX warnings and errors from C Don't add general warnings flags for unsupported old versions of gcc and g++ (older than gcc/g++ 4.2). Correct gnu-cxxflags to determine warnings flags to be added based on C++ compiler version instead of C compiler version.
