disable libs and devel subpackages on RHEL

The libgps ABI is not stable enough to cover the RHEL lifecycle. Stop
providing the library for other applications. There are only two
packages currently using libgps in EPEL9 (collectd and plasma-workspace)
and in both it's an optional feature, with the build dependency coming
from the Fedora spec.

gpsd.spec

@@ -1,4 +1,11 @@
+%if 0%{?rhel} >= 10
+# libgps ABI changes too frequently to be provided for other applications
+%global with_libs 0
+%global with_qt 0
+%else
+%global with_libs 1
 %global with_qt 1
+%endif
 
 Name:           gpsd
 Version:        3.25
@@ -37,6 +44,11 @@ BuildRequires:  libusb1-devel
 Requires:       udev
 %{?systemd_requires}
 
+%if !%{with_libs}
+Obsoletes:      gpsd-libs < %{epoch}:%{version}-%{release}
+Obsoletes:      gpsd-devel < %{epoch}:%{version}-%{release}
+%endif
+
 %description
 gpsd is a service daemon that mediates access to a GPS sensor
 connected to the host computer by serial or USB interface, making its
@@ -47,6 +59,7 @@ can share access to a GPS without contention or loss of data.  Also,
 gpsd responds to queries with a format that is substantially easier to
 parse than NMEA 0183.
 
+%if %{with_libs}
 %package libs
 Summary:        Client libraries in C for talking to a running gpsd or GPS
 
@@ -54,16 +67,6 @@ Summary:        Client libraries in C for talking to a running gpsd or GPS
 This package contains the gpsd libraries that manage access
 to a GPS for applications.
 
-%package -n python3-%{name}
-Summary:        Python libraries and modules for use with gpsd
-Requires:       %{name}-libs%{?_isa} = %{epoch}:%{version}-%{release}
-Requires:       python3-pyserial
-%{?python_provide:%python_provide python3-%{name}}
-
-%description -n python3-%{name}
-This package contains the python3 modules that manage access to a GPS for
-applications.
-
 %package devel
 Summary:        Development files for the gpsd library
 Requires:       %{name}-libs%{?_isa} = %{epoch}:%{version}-%{release}
@@ -71,6 +74,7 @@ Requires:       %{name}-libs%{?_isa} = %{epoch}:%{version}-%{release}
 %description devel
 This package provides C header files for the gpsd shared libraries that
 manage access to a GPS for applications
+%endif
 
 %if %{with_qt}
 %package qt
@@ -91,6 +95,16 @@ This package provides the development files for the C++ and Qt bindings for use
 with the libgps library from gpsd.
 %endif
 
+%package -n python3-%{name}
+Summary:        Python libraries and modules for use with gpsd
+Requires:       %{name}-libs%{?_isa} = %{epoch}:%{version}-%{release}
+Requires:       python3-pyserial
+%{?python_provide:%python_provide python3-%{name}}
+
+%description -n python3-%{name}
+This package contains the python3 modules that manage access to a GPS for
+applications.
+
 %package clients
 Summary:        Clients for gpsd
 Requires:       python3-%{name} = %{epoch}:%{version}-%{release}
@@ -198,14 +212,18 @@ chmod 644 %{buildroot}%{python3_sitearch}/gps/gps.py
 
 rm -f %{buildroot}%{_libdir}/libgpsdpacket.so
 
-# If qt build was disabled, clean up the files that may have been installed
-# anyway
+# Remove unpackaged files
+%if !%{with_libs}
+rm -f %{buildroot}%{_libdir}/lib{gps*.so,gps.so.*}
+rm -rf %{buildroot}%{_libdir}/pkgconfig
+rm -rf %{buildroot}%{_includedir}
+rm -rf %{buildroot}%{_mandir}/man{3,5}
+%endif
 %if !%{with_qt}
 rm -f %{buildroot}%{_libdir}/libQgpsmm* \
     %{buildroot}%{_libdir}/pkgconfig/Qgpsmm* \
     %{buildroot}%{_mandir}/man3/libQgpsmm.3*
 %endif
-
 rm -rf %{buildroot}%{_docdir}/gpsd
 
 %post
@@ -218,7 +236,9 @@ rm -rf %{buildroot}%{_docdir}/gpsd
 # Don't restart the service
 %systemd_postun gpsd.service gpsd.socket
 
+%if %{with_libs}
 %ldconfig_scriptlets libs
+%endif
 
 %if %{with_qt}
 %ldconfig_scriptlets qt
@@ -247,14 +267,10 @@ rm -rf %{buildroot}%{_docdir}/gpsd
 %{_mandir}/man1/gpsctl.1*
 %{_mandir}/man1/ntpshmmon.1*
 
+%if %{with_libs}
 %files libs
 %{_libdir}/libgps.so.30*
 
-%files -n python3-%{name}
-%license COPYING
-%{_libdir}/libgpsdpacket.so*
-%{python3_sitearch}/gps*
-
 %files devel
 %doc TODO HACKING
 %{_libdir}/libgps.so
@@ -264,6 +280,7 @@ rm -rf %{buildroot}%{_docdir}/gpsd
 %{_mandir}/man3/libgps.3*
 %{_mandir}/man3/libgpsmm.3*
 %{_mandir}/man5/gpsd_json.5*
+%endif
 
 %if %{with_qt}
 %files qt
@@ -276,6 +293,11 @@ rm -rf %{buildroot}%{_docdir}/gpsd
 %{_mandir}/man3/libQgpsmm.3*
 %endif
 
+%files -n python3-%{name}
+%license COPYING
+%{_libdir}/libgpsdpacket.so*
+%{python3_sitearch}/gps*
+
 %files clients
 %{_bindir}/cgps
 %{_bindir}/gegps