rpm: Introduce with_native

The new _without_native knob makes it possible to skip the native
build completely and build for MinGW only.

Best viewed with 'git show -w'.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>

libvirt.spec.in

@@ -203,6 +203,9 @@
 %define qemu_moddir %{_libdir}/qemu
 %define qemu_datadir %{_datadir}/qemu
 
+# Native / MinGW builds
+%define with_native 0%{!?_without_native:1}
+
 %define with_mingw32 0
 %define with_mingw64 0
 
@@ -218,6 +221,13 @@
     %define mingw_build_win64 %{with_mingw64}
 %endif
 
+%if !%{with_native}
+    # Building the debugsource package apparently only works if the
+    # native build is enabled. debuginfo packages don't have this
+    # problem and setting this doesn't disable them
+    %global debug_package %{nil}
+%endif
+
 # RHEL releases provide stable tool chains and so it is safe to turn
 # compiler warning into errors without being worried about frequent
 # changes in reported warnings
@@ -306,6 +316,7 @@ BuildRequires: systemd-rpm-macros
 BuildRequires: rpcgen
 # Fedora build root suckage
 BuildRequires: gawk
+%if %{with_native}
 BuildRequires: gcc
     %if %{with_libxl}
 BuildRequires: xen-devel
@@ -410,10 +421,11 @@ BuildRequires: wireshark-devel
 BuildRequires: libssh-devel >= 0.8.1
     %endif
 BuildRequires: libtirpc-devel
-# Needed for the firewalld_reload macro
     %if %{with_firewalld_zone}
+# Needed for the firewalld_reload macro
 BuildRequires: firewalld-filesystem
     %endif
+%endif
 
 %if %{with_mingw32}
 BuildRequires: mingw32-filesystem
@@ -451,6 +463,7 @@ Libvirt is a C toolkit to interact with the virtualization capabilities
 of recent versions of Linux (and other OSes). The main package includes
 the libvirtd server exporting the virtualization support.
 
+%if %{with_native}
 %package docs
 Summary: API reference and website documentation
 
@@ -1075,6 +1088,7 @@ Requires: libvirt-daemon-driver-network = %{version}-%{release}
 
 %description nss
 Libvirt plugin for NSS for translating domain names into IP addresses.
+%endif
 
 %if %{with_mingw32}
 %package -n mingw32-libvirt
@@ -1266,6 +1280,7 @@ exit 1
 
 export SOURCE_DATE_EPOCH=$(stat --printf='%Y' %{_specdir}/libvirt.spec)
 
+%if %{with_native}
 %meson \
            -Drunstatedir=%{_rundir} \
            -Dinitconfdir=%{_sysconfdir}/sysconfig \
@@ -1341,6 +1356,7 @@ export SOURCE_DATE_EPOCH=$(stat --printf='%Y' %{_specdir}/libvirt.spec)
            %{?arg_login_shell}
 
 %meson_build
+%endif
 
 %if %{with_mingw32} || %{with_mingw64}
 %mingw_meson \
@@ -1425,6 +1441,7 @@ rm -fr %{buildroot}
 
 export SOURCE_DATE_EPOCH=$(stat --printf='%Y' %{_specdir}/libvirt.spec)
 
+%if %{with_native}
 %meson_install
 
 # We don't want to install /etc/libvirt/qemu/networks in the main %%files list
@@ -1487,6 +1504,7 @@ mv $RPM_BUILD_ROOT%{_datadir}/systemtap/tapset/libvirt_qemu_probes.stp \
    $RPM_BUILD_ROOT%{_datadir}/systemtap/tapset/libvirt_qemu_probes-64.stp
         %endif
     %endif
+%endif
 
 %if %{with_mingw32} || %{with_mingw64}
 %mingw_ninja_install
@@ -1516,9 +1534,12 @@ rm -rf $RPM_BUILD_ROOT%{mingw64_libexecdir}/libvirt-guests.sh
 %endif
 
 %check
+
+%if %{with_native}
 # Building on slow archs, like emulated s390x in Fedora copr, requires
 # raising the test timeout
 VIR_TEST_DEBUG=1 %meson_test --no-suite syntax-check --timeout-multiplier 10
+%endif
 
 %define libvirt_rpmstatedir %{_localstatedir}/lib/rpm-state/libvirt
 
@@ -1664,6 +1685,7 @@ VIR_TEST_DEBUG=1 %meson_test --no-suite syntax-check --timeout-multiplier 10
 %define libvirt_systemd_config_pre() %libvirt_systemd_schedule_restart %1.service
 %define libvirt_systemd_config_posttrans() %libvirt_systemd_perform_restart %1.service
 
+%if %{with_native}
 %pre daemon
 %libvirt_sysconfig_pre libvirtd
 %libvirt_systemd_inet_pre libvirtd
@@ -1932,7 +1954,9 @@ done
 getent group virtlogin >/dev/null || groupadd -r virtlogin
 exit 0
     %endif
+%endif
 
+%if %{with_native}
 %files
 
 %files docs
@@ -2409,6 +2433,7 @@ exit 0
 %{_datadir}/libvirt/api/libvirt-admin-api.xml
 %{_datadir}/libvirt/api/libvirt-qemu-api.xml
 %{_datadir}/libvirt/api/libvirt-lxc-api.xml
+%endif
 
 %if %{with_mingw32}
 %files -n mingw32-libvirt -f mingw32-libvirt.lang