Bug#926751: gcc-riscv64-linux-gnu: Doesn't work with all valid abi combinations.

[Matthias Klose <doko@debian.org>]

Control: reassign -1 src:glibc

these are glibc headers.

On 10.04.19 04:05, peterc wrote:
> Package: gcc-riscv64-linux-gnu
> Version: 4:8.3.0-2
> Severity: normal
> 
> Dear Maintainer,
> 
> 
> My RISC V64 implementation doesn't have floating point, so I'm trying
> to compile with
>  -march=rv64imac -mabi=lp64
> 
> I see:
> $  riscv64-linux-gnu-gcc -mabi=lp64 -march=rv64imac x.c
> In file included from /usr/riscv64-linux-gnu/include/features.h:448,
>                  from /usr/riscv64-linux-gnu/include/bits/libc-header-start.h:3,
>                  from /usr/riscv64-linux-gnu/include/stdio.h:27,
>                  from x.c:1:
> /usr/riscv64-linux-gnu/include/gnu/stubs.h:8:11: fatal error: gnu/stubs-lp64.h: No such file or directory
>  # include <gnu/stubs-lp64.h>
>  compilation terminated.
> 
> for a simple hello world program.
> 
> It looks as if only march=rv64imafdc/mabi=lp64d is supported; please
> can the other valid combinations be supported as well?
> 
> The current list is:
> 
> march=rv32i/mabi=ilp32
> march=rv32im/mabi=ilp32
> march=rv32iac/mabi=ilp32
> march=rv32imac/mabi=ilp32
> march=rv32imafc/mabi=ilp32f
> march=rv64imac/mabi=lp64
> march=rv64imafdc/mabi=lp64d
> 
> Peter C
> 
> -- System Information:
> Debian Release: buster/sid
>   APT prefers unstable
>   APT policy: (990, 'unstable'), (500, 'testing'), (500, 'stable'), (500, 'oldstable')
> Architecture: amd64 (x86_64)
> Foreign Architectures: armhf, armel, i386, powerpc, arm64, riscv64
> 
> Kernel: Linux 5.0.0-rc4-00001-g4aa9fc2a435a (SMP w/8 CPU cores)
> Locale: LANG=en_AU.utf8, LC_CTYPE=en_AU.utf8 (charmap=UTF-8), LANGUAGE=en_AU:en (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> 
> Versions of packages gcc-riscv64-linux-gnu depends on:
> ii  cpp-riscv64-linux-gnu    4:8.3.0-2
> ii  gcc-8-riscv64-linux-gnu  8.3.0-4cross2
> 
> Versions of packages gcc-riscv64-linux-gnu recommends:
> ii  libc6-dev-riscv64-cross [libc-dev-riscv64-cross]  2.28-7cross1
> 
> Versions of packages gcc-riscv64-linux-gnu suggests:
> ii  autoconf               2.69-11
> ii  automake               1:1.16.1-4
> ii  bison                  2:3.3.2.dfsg-1
> ii  flex                   2.6.4-6.2
> ii  gcc-doc                5:7.2.0-2
> pn  gdb-riscv64-linux-gnu  <none>
> ii  libtool                2.4.6-10
> ii  make                   4.2.1-1.2
> ii  manpages-dev           4.16-1
> 
> -- no debconf information
>