support compat py3_sipdir

like PyQt4 does...

python-qt5.spec

@@ -16,13 +16,19 @@
 
 %global rpm_macros_dir %(d=%{_rpmconfigdir}/macros.d; [ -d $d ] || d=%{_sysconfdir}/rpm; echo $d)
 
+# f29+ no longer using separate sipdir for python3
+%global py3_sipdir %{_datadir}/sip/PyQt5
+%if 0%{?fedora} < 29
+%global py3_sipdir %{_datadir}/python3-sip/PyQt5
+%endif
+
 # see also https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/JQQ66XJSIT2FGTK2YQY7AXMEH5IXMPUX/
 %undefine _strict_symbol_defs_build
 
 Summary: PyQt5 is Python bindings for Qt5
 Name:    python-qt5
 Version: 5.11.2
-Release: 2%{?dist}
+Release: 3%{?dist}
 
 License: GPLv3
 Url:     http://www.riverbankcomputing.com/software/pyqt/
@@ -279,6 +285,7 @@ pushd %{_target_platform}-python3
   --no-dist-info \
   --qmake=%{_qt5_qmake} \
   --no-qsci-api \
+  %{?py3_sipdir:--sipdir=%{py3_sipdir}} \
   --verbose \
   QMAKE_CFLAGS_RELEASE="%{optflags}" \
   QMAKE_CXXFLAGS_RELEASE="%{optflags}" \
@@ -294,6 +301,12 @@ popd
 # Python 3 build:
 %if 0%{?with_python3}
 %make_install INSTALL_ROOT=%{buildroot} -C %{_target_platform}-python3
+%if "%py3_sipdir" == "%{_datadir}/sip/PyQt5"
+# copy files to old location for compat purposes temporarily
+mkdir -p %{buildroot}%{_datadir}/python3-sip
+cp -alf %{buildroot}%{py3_sipdir} \
+        %{buildroot}%{_datadir}/python3-sip/PyQt5
+%endif
 # ensure .so modules are executable for proper -debuginfo extraction
 for i in %{buildroot}%{python3_sitearch}/PyQt5/*.so %{buildroot}%{python3_dbus_dir}/pyqt5.so ; do
 test -x $i  || chmod a+rx $i
@@ -479,8 +492,10 @@ sed -i \
 %endif
 
 %files -n python%{python3_pkgversion}-qt5-devel
-# fyi, now shared with pyhonw2-qt5-devel -- rex
-%{_datadir}/sip/PyQt5/
+%{py3_sipdir}/
+# compat location
+%dir %{_datadir}/python3-sip/
+%{_datadir}/python3-sip/PyQt5/
 %endif # with_python3
 
 %files doc
@@ -494,6 +509,9 @@ sed -i \
 
 
 %changelog
+* Tue Aug 14 2018 Rex Dieter <rdieter@fedoraproject.org> - 5.11.2-3
+- support compat py3_sipdir
+
 * Mon Jul 30 2018 Sandro Mani <manisandro@gmail.com> - 5.11.2-2
 - Add missing Requires: python2-enum34