[gtk-vnc] Allow gtk2 build to be disabled

[Daniel P. Berrange <dberrange src gnome org>]

commit be2ff4e58ec4e3d07c2e77e25183a917f299ec88
Author: Daniel P. Berrangé <berrange redhat com>
Date:   Mon Jul 23 18:27:39 2018 +0100

    Allow gtk2 build to be disabled
    
    Signed-off-by: Daniel P. Berrangé <berrange redhat com>

 gtk-vnc.spec.in | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/gtk-vnc.spec.in b/gtk-vnc.spec.in
index 25635dc..ea2d329 100644
--- a/gtk-vnc.spec.in
+++ b/gtk-vnc.spec.in
@@ -8,6 +8,11 @@
 %global with_gir 1
 %endif
 
+%global with_gtk2 1
+%if 0%{?rhel} >= 8
+%global with_gtk2 0
+%endif
+
 %global with_gtk3 0
 %if 0%{?fedora} || 0%{?rhel} >= 7
 %global with_gtk3 1
@@ -51,6 +56,7 @@ BuildRequires: /usr/bin/pod2man
 gtk-vnc is a VNC viewer widget for GTK2. It is built using coroutines
 allowing it to be completely asynchronous while remaining single threaded.
 
+%if %{with_gtk2}
 %package devel
 Summary: Development files to build GTK2 applications with gtk-vnc
 Requires: %{name} = %{version}-%{release}
@@ -62,6 +68,7 @@ gtk-vnc is a VNC viewer widget for GTK2. It is built using coroutines
 allowing it to be completely asynchronous while remaining single threaded.
 
 Libraries, includes, etc. to compile with the gtk-vnc library
+%endif
 
 %package -n gvnc
 Summary: A GObject for VNC connections
@@ -148,12 +155,14 @@ cp -a gtk-vnc-%{version} gtk-vnc2-%{version}
 %define gir_arg --enable-introspection=no
 %endif
 
+%if %{with_gtk2}
 cd gtk-vnc-%{version}
 %configure --with-gtk=2.0 %{gir_arg} \
           --with-tls-priority=%{tls_priority}
 %__make %{?_smp_mflags} V=1
 chmod -x examples/*.pl examples/*.js examples/*.py
 cd ..
+%endif
 
 %if %{with_gtk3}
 cd gtk-vnc2-%{version}
@@ -167,9 +176,11 @@ cd ..
 
 %install
 rm -fr %{buildroot}
+%if %{with_gtk2}
 cd gtk-vnc-%{version}
 %__make install DESTDIR=%{buildroot}
 cd ..
+%endif
 
 %if %{with_gtk3}
 cd gtk-vnc2-%{version}
@@ -200,6 +211,7 @@ rm -f %{buildroot}%{_libdir}/*.la
 %postun -n gtk-vnc2 -p /sbin/ldconfig
 %endif
 
+%if %{with_gtk2}
 %files
 %defattr(-, root, root)
 %{_libdir}/libgtk-vnc-1.0.so.*
@@ -217,6 +229,7 @@ rm -f %{buildroot}%{_libdir}/*.la
 %if %{with_gir}
 %{_datadir}/gir-1.0/GtkVnc-1.0.gir
 %endif
+%endif
 
 %files -n gvnc -f %{name}.lang
 %defattr(-, root, root)