On 5 January 2017 at 01:27, Daniel P. Berrange <berra...@redhat.com> wrote: > On Thu, Jan 05, 2017 at 12:56:52AM +1000, Nathan Rossi wrote: >> If libgcrypt info is available with pkg-config use it over using the >> libgcrypt-config. pkg-config is preferred due to is compatibility with >> cross-compilation (where you cannot execute the targets version of >> libgcrypt-config). > > It can be made to work, but you need to modify $PATH to ensure it finds > the build target libgcrypt-config first. > > eg on Fedora you'd do this with mingw32 > > PATH=/usr/i686-w64-mingw32/sys-root/mingw/bin:$PATH ./configure ... > >> This change makes configure check for libgcrypt in pkg-config first, >> then falling back to use libgcrypt-config if available. This follows a >> similar process to how libsdl is handled. > > AFAIK, no version of libgcrypt has ever shipped a pkg-config file. Their > maintainers have explicitly rejected patches adding that, ironically > because they claim pkg-config doesn't handle cross-compilation and > libgcrypt-config does :-) > > https://lists.gnupg.org/pipermail/gcrypt-devel/2007-February/001109.html > https://lists.gnupg.org/pipermail/gcrypt-devel/2015-September/003569.html >
Sorry for the noise. Turns out Yocto/OE patches support in to libgcrypt for pkg-config, I did not realize (too many different things in play :| ). Regards, Nathan > > So overall, I don't think this patch is needed/desirable for QEMU. > > Regards, > Daniel > -- > |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| > |: http://libvirt.org -o- http://virt-manager.org :| > |: http://entangle-photo.org -o- http://search.cpan.org/~danberr/ :|