[FFmpeg-devel] [PATCH] Add clang to detected compilers

[Måns Rullgård]

David Conrad <lessen42 at gmail.com> writes:

> Hi,
>
> __VERSION__ is kinda boring, it's always "4.2.1 Compatible Clang
> Compiler" instead of giving the actual clang version.

I guess there's nothing we can do about that.

> commit d773dc5bf7ae26fb1feb4a29ebd3990162b6353b
> Author: David Conrad <lessen42 at gmail.com>
> Date:   Wed Oct 21 00:52:36 2009 -0400
>
>     Add clang to detected compilers
>
> diff --git a/configure b/configure
> index 1e416c4..1139ea6 100755
> --- a/configure
> +++ b/configure
> @@ -1590,6 +1590,11 @@ elif $cc -version 2>/dev/null | grep -q TMS470; then
>              esac
>          done
>      }
> +elif $cc -v 2>&1 | grep -q clang; then
> +    cc_type=clang
> +    cc_version=__VERSION__
> +    CC_DEPFLAGS='-MMD'
> +    AS_DEPFLAGS='-MMD'
>  fi
>
>  test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
> @@ -1615,6 +1620,10 @@ if test -n "$sysroot"; then
>              add_cppflags -I"$sysinclude"
>              add_ldflags  --sysroot="$sysroot"
>          ;;
> +        clang)
> +            add_cppflags -isysroot="$sysroot"
> +            add_ldflags -isysroot="$sysroot"
> +        ;;
>      esac
>  fi
>
> @@ -2464,6 +2473,8 @@ elif enabled ccc; then
>      add_cflags -msg_disable unreachcode
>  elif enabled gcc; then
>      check_cflags -fno-tree-vectorize
> +elif enabled clang; then
> +    check_cflags -Qunused-arguments
>  fi
>
>  if enabled gprof; then

OK.  I assume you've tested it.

-- 
M?ns Rullg?rd
mans at mansr.com