[FFmpeg-devel] [PATCH] Source level debug

[Måns Rullgård]

Benjamin Larsson <banan at ludd.ltu.se> writes:

> Hi, adding -g3 provides more debug info for gdb and it makes graphical
> debuggers usable.
>
> Together with --disable-optimizations you get a quite good view over
> what happens in the code.
>
> MvH
> Benjamin Larsson
> Index: configure
> ===================================================================
> --- configure	(revision 12275)
> +++ configure	(working copy)
> @@ -175,6 +175,7 @@
>    echo "  --disable-optimizations  disable compiler optimizations"
>    echo "  --enable-extra-warnings  enable more compiler warnings"
>    echo "  --disable-strip          disable stripping of executables and shared libraries"
> +  echo "  --enable-sldebug         enable source level debug"
>    echo ""
>    echo "NOTE: Object files are built at the place where configure is launched."
>    exit 1
> @@ -766,6 +767,7 @@
>      debug
>      extra_warnings
>      optimizations
> +    sldebug
>      shared
>      static
>  "
> @@ -1795,7 +1797,14 @@
>  check_func XOpenDisplay -lX11           &&
>  check_func XShmCreateImage -lX11 -lXext
>  
> -enabled debug && add_cflags -g
> +#check the debug level
> +if enabled debug; then
> +    if enabled sldebug; then
> +        add_cflags "-g3"
> +    else
> +        add_cflags "-g"
> +    fi
> +fi

Why not simply always use -g3 if that is supported?  I see no need for
extra command line options.

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