remove gimp plugin for eln, put an explicit build requirement for GTK2

gtk2-devel was an implicit requirement via gimp till now

xsane.spec

@@ -10,7 +10,7 @@
 Name: xsane
 Summary: X Window System front-end for the SANE scanner interface
 Version: 0.999
-Release: 38%{?dist}
+Release: 39%{?dist}
 Source0: http://www.xsane.org/download/%{name}-%{version}.tar.gz
 Source1: xsane-256x256.png
 # use "xdg-open" instead of "netscape" to launch help browser
@@ -76,7 +76,10 @@ URL: http://www.xsane.org/
 BuildRequires: gcc
 # uses make
 BuildRequires: make
+%if 0%{?rhel} <= 8 || 0%{?fedora}
 BuildRequires: gimp-devel
+%endif
+BuildRequires: gtk2-devel
 BuildRequires: lcms2-devel
 BuildRequires: libjpeg-devel
 BuildRequires: libpng-devel
@@ -93,6 +96,7 @@ library, which provides access to scanners, digital cameras, and other
 capture devices. XSane is written in GTK+ and provides control for
 performing the scan and then manipulating the captured image.
 
+%if 0%{?rhel} <= 8 || 0%{?fedora}
 %package gimp
 Summary: GIMP plug-in providing the SANE scanner interface
 Requires: gimp >= 2:2.2.12-4
@@ -102,6 +106,7 @@ Requires: xsane-common
 This package provides the regular XSane frontend for the SANE scanner
 interface, but it works as a GIMP plug-in. You must have GIMP
 installed to use this package.
+%endif
 
 %package common
 Summary: Common files for xsane packages
@@ -148,10 +153,12 @@ mkdir build-without-gimp
 CFLAGS='%optflags -fno-strict-aliasing -DXSANE_BUGTRACKER_URL=\"%{bugtracker_url}\"'
 export CFLAGS
 
+%if 0%{?rhel} <= 8 || 0%{?fedora}
 pushd build-with-gimp
 %configure --enable-gimp
 %make_build
 popd
+%endif
 
 pushd build-without-gimp
 %configure --disable-gimp
@@ -166,9 +173,11 @@ pushd build-without-gimp
 %make_install
 popd
 
+%if 0%{?rhel} <= 8 || 0%{?fedora}
 # install GIMP plugin
 install -m 0755 -d %{buildroot}%{gimpplugindir}
 install -m 0755 build-with-gimp/src/xsane %{buildroot}%{gimpplugindir}
+%endif
 
 # install customized desktop file
 rm %{buildroot}%{_datadir}/applications/xsane.desktop
@@ -221,11 +230,13 @@ EOF
 
 %find_lang %{name} XSANE.lang
 
+%if 0%{?rhel} <= 8 || 0%{?fedora}
 %pre gimp
 # remove obsolete gimp-plugin-mgr managed symlink
 if [ -L "%{gimpplugindir}/xsane" ]; then
     rm -f "%{gimpplugindir}/xsane"
 fi
+%endif
 
 %files -f XSANE.lang
 %doc xsane.ACCELKEYS xsane.AUTHOR xsane.BEGINNERS-INFO xsane.BUGS xsane.CHANGES xsane.FAQ xsane.LANGUAGES xsane.LOGO xsane.NEWS xsane.ONLINEHELP xsane.PROBLEMS xsane.ROOT xsane.TODO
@@ -242,8 +253,10 @@ fi
 %{_datadir}/pixmaps/xsane.xpm
 %{iconrootdir}/*/apps/%{name}.png
 
+%if 0%{?rhel} <= 8 || 0%{?fedora}
 %files gimp
 %{gimpplugindir}/xsane
+%endif
 
 %files common
 %doc xsane.AUTHOR
@@ -252,6 +265,9 @@ fi
 %{_datadir}/sane/xsane
 
 %changelog
+* Thu Jan 14 2021 Zdenek Dohnal <zdohnal@redhat.com> - 0.999-39
+- remove gimp plugin for eln, put explicit requirement for GTK2
+
 * Thu Nov 05 2020 Zdenek Dohnal <zdohnal@redhat.com> - 0.999-38
 - make is no longer in buildroot by default