[Libguestfs] [PATCH] build: define CGO_CFLAGS_ALLOW with -U option we need

[Richard W.M. Jones]

On Mon, Oct 07, 2019 at 11:47:21AM +0200, Tomáš Golembiovský wrote:
> cgo does not allow arbitrary CFLAGS to be used. Instead it contains a
> list of flags (safelist) that are allowed to be passed to the compiler.
> Sadly -U option (introduced in commit d8d8c856a1) is not among them.
> 
> See: https://github.com/golang/go/issues/23672
> 
> Signed-off-by: Tomáš Golembiovský <tgolembi at redhat.com>
> ---
>  run.in | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/run.in b/run.in
> index 7e4963cdf..2c43cf87a 100755
> --- a/run.in
> +++ b/run.in
> @@ -187,6 +187,13 @@ else
>      CGO_CFLAGS="$CGO_CFLAGS -I$s/lib"
>  fi
>  export CGO_CFLAGS
> +if [ -z "$CGO_CFLAGS_ALLOW" ]; then
> +    CGO_CFLAGS_ALLOW='-UGUESTFS_NO_DEPRECATED'
> +    export CGO_CFLAGS_ALLOW
> +else
> +    echo "Warning: CGO_CFLAGS_ALLOW already defined! Be sure to include"
> +    echo "the -U option."
> +fi
>  if [ -z "$CGO_LDFLAGS" ]; then
>      CGO_LDFLAGS="-L$b/lib/.libs"
>  else

This looks fine, ACK.  I can push it shortly.

Thanks,
Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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