svn commit: r477036 - in head/databases/mysql80-server: . files

[Jan Beich]

Alexey Dokuchaev <danfe at FreeBSD.org> writes:

> On Mon, Aug 13, 2018 at 02:01:56PM +0200, Jan Beich wrote:
>
>> Alexey Dokuchaev <danfe at FreeBSD.org> writes:
>> ...
>> > Plus sparc64 and others which use gcc by default
>> 
>> What "others" that are supported by lang/gcc* via USES=compiler:c++11-lib?
>> Or did you miss GCC isn't really supported by this port?
>
> Hmm, admittedly I didn't notice `compiler:c++11-lib' on USES...  Never
> mind then, I was just referring to the fact that clang accepts -msse??
> on !x86 and emits a warning, while gcc rejects unsupported options.

Clang (unlike GCC) usually supports more than one target in which case
"unsupported" maybe confusing.

  $ cat >~/bin/aarch64-unknown-freebsd-clang
  #! /bin/sh
  clang -fuse-ld=lld \
        --sysroot=/poudriere/jails/112aarch64 \
        -isystem /poudriere/jails/112aarch64/usr/include/c++/v1 \
        --target=aarch64-unknown-freebsd11.2 "$@"
  ^D
  $ ln -s aarch64-unknown-freebsd-clang ~/bin/aarch64-unknown-freebsd-clang++

  $ echo 'int main() {}' >a.c
  $ aarch64-unknown-freebsd-clang a.c
  $ file a.out
  a.out: ELF 64-bit LSB executable, ARM aarch64, version 1 (FreeBSD), dynamically linked, interpreter /libexec/ld-elf.so.1, for FreeBSD 11.2, FreeBSD-style, not stripped

or

  $ cc -v
  FreeBSD clang version 7.0.0 (branches/release_70 338892) (based on LLVM 7.0.0svn)
  Target: x86_64-unknown-freebsd12.0
  Thread model: posix
  InstalledDir: /usr/bin

  $ echo 'int main() {}' | cc -c -xc - -o /dev/null -msse4.2 -target armv6-unknown-freebsd11.2-gnueabihf
  cc: warning: argument unused during compilation: '-msse4.2' [-Wunused-command-line-argument]

  $ echo 'int main() {}' | cc -c -xc - -o /dev/null -mfpu=neon -target aarch64-unknown-freebsd11.2
  cc: warning: argument unused during compilation: '-mfpu=neon' [-Wunused-command-line-argument]

  $ echo 'int main() {}' | cc -c -xc - -o /dev/null -march=armv7-a -target aarch64-unknown-freebsd11.2
  cc: error: the clang compiler does not support '-march=armv7-a'