> On 4 May 2019, at 03:41, Andrew Roberts <andrewm.robe...@sky.com> wrote:
> looking at the changes for configuration in gcc 9.1, I noticed: > > 1) New configure options > > OTOOL/OTOOL_FOR_TARGET: Which I assume from google is the Darwin ldd > replacement It’s actually the Darwin equivalent for many of the facilities of ‘objdump’, and is usually discovered automatically by the configure tool. It’s not relevant to any other target. > GDC_FOR_TARGET: Which with a bit of guess work I assume is the Gnu_D_Compiler > > Is this stuff documented anywhere? > > 2) D language documentation > > Also looking at the D documentation it appears missing in action: > > No manual here: https://gcc.gnu.org/onlinedocs/ > > and the release notes just say: "Support for the D programming language has > been added to GCC, implementing version 2.076 of the language and run-time > library." > > If this stuff is documented elsewhere a link to said documentation would be > useful. > > 3) Stdlibc++ > > Release notes reference parallel algorithms requiring TBB 2018 or newer, > again guess work suggests this is Thread Building Blocks. It would be nice to > explicitly say that, and provide links to implementations. > > How is TBB detected and selected? I didn't see any configure switches > relating to this either in the toplevel configure or stdc++ configure files. > Can it be built in tree etc? > > Also while TBB may not be a prerequisite should it be at least documented on > that page: https://gcc.gnu.org/install/prerequisites.html (or somewhere) > > The TBB release notes (written by Intel) seem to limit things to Intel or > compatible processors, wikipedia suggests a wider range (sparc?, powerpc). Is > ARM supported? Again it would be nice to document what range of systems this > can work on. > > Thanks > > Andrew > >
