Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu 1/3] configure/fdt: Use more strict test for libfdt version

[Greg Kurz]

On Tue, 11 Dec 2018 16:49:24 +1100
Alexey Kardashevskiy <address@hidden> wrote:

> The libfdt installed in the system is preferred to the dtc submodule by
> default. The recent libfdt update added a new symbol - fdt_check_full -
> and this breaks compile if there is an older libfdt installed in
> the system.
> 
> This changes the test to force ./configure into using newer libfdt.
> 
> Signed-off-by: Alexey Kardashevskiy <address@hidden>
> ---

Yeah I had noticed that also... I agree with Daniel that it should be
folded into the next patch.

>  configure | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/configure b/configure
> index 0a3c6a7..e5312da 100755
> --- a/configure
> +++ b/configure
> @@ -3880,7 +3880,7 @@ if test "$fdt" != "no" ; then
>    cat > $TMPC << EOF
>  #include <libfdt.h>
>  #include <libfdt_env.h>
> -int main(void) { fdt_first_subnode(0, 0); return 0; }
> +int main(void) { fdt_check_full(NULL, 0); return 0; }
>  EOF
>    if compile_prog "" "$fdt_libs" ; then
>      # system DTC is good - use it