rhel8 does not use cmake3, just cmake

kf5.spec

@@ -1,6 +1,6 @@
 Name:    kf5
 Version: 5.64.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: Filesystem and RPM macros for KDE Frameworks 5
 License: BSD
 URL:     http://www.kde.org
@@ -51,6 +51,9 @@ mkdir -p %{buildroot}%{_sysconfdir}/xdg/plasma-workspace/{env,shutdown}
 install -Dpm644 %{_sourcedir}/macros.kf5 %{buildroot}%{_rpmconfigdir}/macros.d/macros.kf5
 sed -i \
   -e "s|@@KF5_VERSION@@|%{version}|g" \
+%if 0%{?rhel} || 0%{?rhel} > 7
+  -e 's|rhel:%{__cmake3}|rhel:%{__cmake}|' \
+%endif
   %{buildroot}%{_rpmconfigdir}/macros.d/macros.kf5
 
 
@@ -77,6 +80,9 @@ sed -i \
 
 
 %changelog
+* Wed Dec 11 2019 Troy Dawson <tdawson@redhat.com> - 5.64.0-2
+- rhel8 doesn't need cmake3, just cmake
+
 * Fri Nov 08 2019 Rex Dieter <rdieter@fedoraproject.org> - 5.64.0-1
 - 5.64