A patch could be submitted On Wednesday, November 18, 2020 at 4:27:20 AM UTC+2, Ian Lance Taylor wrote: > > On Tue, Nov 17, 2020 at 6:11 AM Than McIntosh <th...@google.com > <javascript:>> wrote: > > > > > > /home/oceanfish81/workarea/llvm-project/llvm/tools/gollvm/gofrontend/libgo/sysinfo.c:462:1: > > error: tentative definition has type 'struct sigstack' that is never > completed > > > SREF(sigstack); > > > ^ > > > > I don't know why sysinfo.c has the line "SREF(sigstack)". What > > happens if you just remove it? > > > > I agree, I would take it out and see what happens. > > > > The SREF(...) constructs in sysinfo.c are there to generate explicit > references to types mentioned in the C code from system header files, so as > to insure that DWARF gets generated for them (in case the C++ compiler > being used is clang, which does not support > -fno-eliminate-unused-debug-types). Looks like on Alpine (which is > musl-based) there is no such type. Not clear whether it is actually > needed at this point, so it is worth trying without it. > > As far as I can tell we never use the sigstack type in libgo, so my > guess is that we don't need it. The sigstack type (really struct > sigstack) was used for the old sigstack function, but that function > has been replaced by sigaltstack. > > Ian >
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