Adjust the build for Flatpak

An Evince Flatpak from this RPM cannot:
 * bundle texlive
 * install systemd unit service
 * install/require nautilus extension

evince.spec

@@ -6,7 +6,7 @@
 
 Name:           evince
 Version:        3.32.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Document viewer
 
 License:        GPLv2+ and GPLv3+ and LGPLv2+ and MIT and Afmparse
@@ -37,11 +37,13 @@ BuildRequires:  yelp-tools
 BuildRequires:  /usr/bin/desktop-file-validate
 BuildRequires:  libappstream-glib-devel
 BuildRequires:  gnome-common
+%if ! 0%{?flatpak}
 BuildRequires:  pkgconfig(synctex) >= %{synctex_version}
 # for the nautilus properties page
 BuildRequires:  pkgconfig(libnautilus-extension)
 # for the dvi backend
 BuildRequires:  texlive-lib-devel
+%endif
 %if 0%{?fedora}
 # for the djvu backend
 BuildRequires:  djvulibre-devel
@@ -104,6 +106,7 @@ Requires: %{name}-libs%{?_isa} = %{version}-%{release}
 This package contains a backend to let evince display djvu files.
 %endif
 
+%if ! 0%{?flatpak}
 %package nautilus
 Summary: Evince extension for nautilus
 Requires: %{name}%{?_isa} = %{version}-%{release}
@@ -112,7 +115,7 @@ Requires: nautilus%{?_isa}
 %description nautilus
 This package contains the evince extension for the nautilus file manager.
 It adds an additional tab called "Document" to the file properties dialog.
-
+%endif
 
 %prep
 %autosetup -p1
@@ -132,7 +135,10 @@ autoreconf -f -i
 %endif
         --enable-xps=yes \
         --enable-t1lib=no \
+%if 0%{?flatpak}
         --without-systemduserunitdir \
+        --disable-nautilus \
+%endif
         --enable-ps=yes
 make %{?_smp_mflags} V=1 LIBTOOL=/usr/bin/libtool
 
@@ -154,8 +160,10 @@ mkdir -p $RPM_BUILD_ROOT%{_datadir}/applications
 # Get rid of static libs and .la files.
 rm -f $RPM_BUILD_ROOT%{_libdir}/mozilla/plugins/*.la
 rm -f $RPM_BUILD_ROOT%{_libdir}/mozilla/plugins/*.a
+%if ! 0%{?flatpak}
 rm -f $RPM_BUILD_ROOT%{_libdir}/nautilus/extensions-3.0/*.la
 rm -f $RPM_BUILD_ROOT%{_libdir}/nautilus/extensions-3.0/*.a
+%endif
 rm -f $RPM_BUILD_ROOT%{_libdir}/evince/4/backends/*.la
 rm -f $RPM_BUILD_ROOT%{_libdir}/evince/4/backends/*.a
 rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
@@ -181,6 +189,9 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/org.gnome.Evince-p
 %{_datadir}/GConf/gsettings/evince.convert
 %{_datadir}/metainfo/org.gnome.Evince.appdata.xml
 %{_datadir}/thumbnailers/evince.thumbnailer
+%if ! 0%{?flatpak}
+%{_userunitdir}/org.gnome.Evince.service
+%endif
 
 %files libs
 %doc NEWS AUTHORS
@@ -228,10 +239,12 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/org.gnome.Evince-p
 %{_datadir}/gir-1.0/EvinceDocument-3.0.gir
 %{_datadir}/gir-1.0/EvinceView-3.0.gir
 
+%if ! 0%{?flatpak}
 %files dvi
 %{_libdir}/evince/4/backends/libdvidocument.so*
 %{_libdir}/evince/4/backends/dvidocument.evince-backend
 %{_datadir}/metainfo/evince-dvidocument.metainfo.xml
+%endif
 
 %if 0%{?fedora}
 %files djvu
@@ -240,10 +253,15 @@ desktop-file-validate $RPM_BUILD_ROOT%{_datadir}/applications/org.gnome.Evince-p
 %{_datadir}/metainfo/evince-djvudocument.metainfo.xml
 %endif
 
+%if ! 0%{?flatpak}
 %files nautilus
 %{_libdir}/nautilus/extensions-3.0/libevince-properties-page.so
+%endif
 
 %changelog
+* Thu Apr 04 2019 Felipe Borges <feborges@redhat.com> - 3.32.0-2
+* Make the Evince RPM buildable as a Flatpak
+
 * Thu Mar 14 2019 Kalev Lember <klember@redhat.com> - 3.32.0-1
 - Update to 3.32.0