Disable JACK on rhel >= 8

SDL2.spec

@@ -1,6 +1,12 @@
+%if 0%{?rhel} >= 8
+%bcond_with jack
+%else
+%bcond_without jack
+%endif
+
 Name:           SDL2
 Version:        2.0.12
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Cross-platform multimedia library
 
 License:        zlib and MIT
@@ -33,7 +39,9 @@ BuildRequires:  systemd-devel
 # PulseAudio
 BuildRequires:  pkgconfig(libpulse-simple)
 # Jack
+%if %{with jack}
 BuildRequires:  pkgconfig(jack)
+%endif
 # D-Bus
 BuildRequires:  pkgconfig(dbus-1)
 # IBus
@@ -88,7 +96,11 @@ sed -i -e 's/\r//g' TODO.txt README.txt WhatsNew.txt BUGS.txt COPYING.txt CREDIT
     --disable-esd \
     --disable-nas \
     --enable-pulseaudio-shared \
+%if %{with jack}
     --enable-jack-shared \
+%else
+    --disable-jack \
+%endif
     --enable-alsa \
     --enable-video-wayland \
     --enable-video-vulkan \
@@ -135,6 +147,9 @@ rm -vf %{buildroot}%{_libdir}/*.la
 %{_libdir}/lib*.a
 
 %changelog
+* Tue Jan 12 2021 Wim Taymans <wtaymans@redhat.com> - 2.0.12-5
+- Disable JACK on rhel >= 8
+
 * Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.0.12-4
 - Second attempt - Rebuilt for
   https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild