Distribution specific patch, not going upstream

This workaround for Gentoo interferes with our use of --no-compile during
the 'install stage.

diff --git a/setup.py b/setup.py
index e254bf99c..90db55c3f 100755
--- a/setup.py
+++ b/setup.py
@@ -663,8 +663,6 @@ if modules_ENABLED:
 # Utility methods for building with Cython
 
 def add_cython_ext(*args, **kwargs):
-    if "--no-compile" in sys.argv and not ("build" in sys.argv and "install" in sys.argv):
-        return
     if not cython_ENABLED:
         raise ValueError(f"cannot build {args}: cython compilation is disabled")
     if cython_tracing_ENABLED:
@@ -1809,9 +1807,6 @@ else:
             if root_prefix.endswith("/usr"):
                 #ie: "/" or "/usr/src/rpmbuild/BUILDROOT/xpra-0.18.0-0.20160513r12573.fc23.x86_64/"
                 root_prefix = root_prefix[:-4]
-            for x in sys.argv:
-                if x.startswith("--root="):
-                    root_prefix = x[len("--root="):]
             print(f"install_data_override.run() root_prefix={root_prefix}")
             build_xpra_conf(root_prefix)
 
@@ -1955,13 +1950,6 @@ else:
             if uinput_ENABLED:
                 add_data_files("lib/udev/rules.d/", ["fs/lib/udev/rules.d/71-xpra-virtual-pointer.rules"])
 
-    #gentoo does weird things, calls --no-compile with build *and* install
-    #then expects to find the cython modules!? ie:
-    #> python2.7 setup.py build -b build-2.7 install --no-compile \
-    # --root=/var/tmp/portage/x11-wm/xpra-0.7.0/temp/images/2.7
-    #otherwise we use the flags to skip pkgconfig
-    if ("--no-compile" in sys.argv or "--skip-build" in sys.argv) and not ("build" in sys.argv and "install" in sys.argv):
-        pkgconfig = no_pkgconfig
 
     if OSX and "py2app" in sys.argv:
         import py2app    #@UnresolvedImport
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>root</a>/<a href='/guix/log/gnu?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>gnu</a>/<a href='/guix/log/gnu/packages?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>packages</a>/<a href='/guix/log/gnu/packages/direct-connect.scm?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53'>direct-connect.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/direct-connect.scm?id=c9fd3d1b84086b3f0e95e2473fb40248d202bc53&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-08-27 23:48:56 +0200'>2022-08-27</span></td><td><a href='/guix/commit/gnu/packages/direct-connect.scm?id=ada35de38f6b04bbc3c5d0bed198cf22e5fa22d9'>gnu: scons: Move to (gnu packages build-tools).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-xyz.scm (scons, scons-python2): Move from here ...
* gnu/packages/build-tools.scm (scons, scons-python2): ... to here.
* gnu/packages/direct-connect.scm, gnu/packages/disk.scm,
gnu/packages/game-development.scm, gnu/packages/gps.scm,
gnu/packages/image.scm, gnu/packages/installers.scm, gnu/packages/web.scm,
gnu/packages/xdisorg.scm: Adjust module imports accordingly.
* guix/build-system/scons.scm (default-scons): Likewise.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-01-05 03:54:03 +0100'>2022-01-05</span></td><td><a href='/guix/commit/gnu/packages/direct-connect.scm?id=14564f5847ae3babdc72da426801032a02334d0d'>gnu: linuxdcpp: Reanimate.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/direct-connect.scm (linuxdcpp)[source]: Add patch and
snippet to fix build.
* gnu/packages/patches/linuxdcpp-openssl-1.1.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/direct-connect.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>