remove escl backend - will be merged into sane-airscan in the future, so stop shipping it

to prevent escl going into RHEL

sane-backends.spec

@@ -14,7 +14,7 @@
 Summary: Scanner access software
 Name: sane-backends
 Version: 1.0.29
-Release: 6%{?dist}
+Release: 7%{?dist}
 # lib/ is LGPLv2+, backends are GPLv2+ with exceptions
 # Tools are GPLv2+, docs are public domain
 # see LICENSE for details
@@ -65,17 +65,10 @@ BuildRequires: systemd-devel
 BuildRequires: systemd
 # needed by macros in rpm scriptlets
 BuildRequires: systemd-rpm-macros
-# for escl backend
-BuildRequires: libcurl-devel
-BuildRequires: avahi-devel
-# for escl backend and USB I/O recording and replay
-BuildRequires: libxml2-devel
 Requires: libpng
 Requires: systemd >= 196
 Requires: systemd-udev >= 196
 Requires: sane-backends-libs%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-# needed for escl backend
-Requires: avahi-libs
 
 %description
 Scanner Access Now Easy (SANE) is a universal scanner interface.  The
@@ -174,9 +167,7 @@ LDFLAGS="-pie"
 %if %libusb1
     --with-usb \
 %endif
-    --enable-pthread \
+    --enable-pthread
-    --enable-avahi \
-    --with-libcurl
 make %{?_smp_mflags}
 
 # Write udev/hwdb files
@@ -335,7 +326,6 @@ exit 0
 %{_libdir}/sane/libsane-epson.so
 %{_libdir}/sane/libsane-epson2.so
 %{_libdir}/sane/libsane-epsonds.so
-%{_libdir}/sane/libsane-escl.so
 %{_libdir}/sane/libsane-fujitsu.so
 %{_libdir}/sane/libsane-genesys.so
 %{_libdir}/sane/libsane-gt68xx.so
@@ -424,6 +414,10 @@ exit 0
 %{_unitdir}/saned@.service
 
 %changelog
+* Thu Apr 02 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-7
+- remove escl backend - will be merged into sane-airscan in the future, so stop shipping it
+  to prevent escl going into RHEL
+
 * Mon Mar 23 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.29-6
 - complete fix for #1807751