[ITA] libsigc3.0

[Jon Turney]

On 27/05/2025 17:25, Philippe Baril Lecavalier via Cygwin-apps wrote:
> libsigc3.0 3.0.3 (2020) -> 3.6.0 (2023)
> 
> Similar business to libsigc2.0, another parallel-installable ABI. Same 
> issue with Doxygen but we have established a decent workaround. I 
> thought I tested and sorted it out a while ago, turned out I missed a 
> subtle difference in docs path vs 2.0, hence hanging build with scallywag.

> #SRC_URI="https://github.com/libsigcplusplus/libsigcplusplus/releases/download/${VERSION}/${ORIG_PN}-${VERSION}.tar.xz"

Since the source is available from download.gnome.org, this line can be 
removed, rather than being commented out.

I added this to your packages.

Thanks.