> From: Jeremie Courreges-Anglas <j...@wxcvbn.org> > Cc: Mark Kettenis <mark.kette...@xs4all.nl>, Patrick Wildt <patr...@blueri.se> > Date: Thu, 10 Mar 2022 02:03:10 +0100 > Content-Type: text/plain > > On Mon, Oct 25 2021, Jeremie Courreges-Anglas <j...@wxcvbn.org> wrote: > > On Mon, Oct 25 2021, Patrick Wildt <patr...@blueri.se> wrote: > >> Am Mon, Oct 25, 2021 at 11:43:55AM +0200 schrieb Mark Kettenis: > >>> > From: Jeremie Courreges-Anglas <j...@wxcvbn.org> > >>> > Date: Sun, 24 Oct 2021 17:30:46 +0100 > >>> > > >>> > clang(1) defaults to FP ABI but ld(1) -melf64lriscv doesn't. This is > >>> > a problem as soon as a port tries to use raw ld(1) -b binary to embed > >>> > data in a .o file. > >>> > > >>> > Downgrading this hard error to a warning seems more useful as far as the > >>> > ports tree is concerned. The diff below fixes > >>> > databases/postgresql-pllua and should also fix textproc/mupdf and > >>> > net/utox. > >>> > > >>> > There's another diff here: https://reviews.llvm.org/D106378 > >>> > but it's slightly more complicated and it received seemingly negative > >>> > feedback. So I'm just using a minimal change to fit our needs. > >>> > > >>> > ok? > >>> > >>> I think we should try to avoid deviating from upstream as much as > >>> possible. And I agree with the folks who argue that the mismatching > >>> objects are created with the wrong tools. > > > > Well the only alternative they suggest is using assembly and .incbin. > > Maybe that works for the FreeBSD folks working on low-level stuff, but > > not so much as a general purpose tool to include binary data in builds. > > > >>> But if mortimer@ and > >>> patrick@ can deal with carrying this local modification I won't > >>> object. > > > > I can't speak for them but given the local changes we have in clang and > > lld land this two lines diff doesn't seem daunting. ;) > > > >> Well, I was about to send an LLVM 13 diff... so can we revisit this diff > >> when we're updated to LLVM 13? > > I have added comments on https://reviews.llvm.org/D106378#3219454 but > the discussion has stalled again (I'll try to revive it). > > I'm still using the diff below on the riscv64 ports build machines, and > I'd like to get rid of the burden of keeping it in my tree. > > ok?
ok kettenis@ > Index: ELF/Arch/RISCV.cpp > =================================================================== > RCS file: /cvs/src/gnu/llvm/lld/ELF/Arch/RISCV.cpp,v > retrieving revision 1.1.1.3 > diff -u -p -r1.1.1.3 RISCV.cpp > --- ELF/Arch/RISCV.cpp 17 Dec 2021 12:25:02 -0000 1.1.1.3 > +++ ELF/Arch/RISCV.cpp 28 Jan 2022 09:11:18 -0000 > @@ -124,8 +124,8 @@ uint32_t RISCV::calcEFlags() const { > target |= EF_RISCV_RVC; > > if ((eflags & EF_RISCV_FLOAT_ABI) != (target & EF_RISCV_FLOAT_ABI)) > - error(toString(f) + > - ": cannot link object files with different floating-point ABI"); > + warn(toString(f) + > + ": linking object files with different floating-point ABI"); > > if ((eflags & EF_RISCV_RVE) != (target & EF_RISCV_RVE)) > error(toString(f) + > > > -- > jca | PGP : 0x1524E7EE / 5135 92C1 AD36 5293 2BDF DDCC 0DFA 74AE 1524 E7EE >