[libvirt] [PATCH python 3/7] Add checks for min supported distros

[Daniel P. Berrange]

Be clear about which distros we aim to support with the specfile, so we know
what we can cleanup in the spec later.

Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
---
 libvirt-python.spec.in | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/libvirt-python.spec.in b/libvirt-python.spec.in
index 1619e26..a98b902 100644
--- a/libvirt-python.spec.in
+++ b/libvirt-python.spec.in
@@ -1,3 +1,14 @@
+# This spec file assumes you are building on a Fedora or RHEL version
+# that's still supported by the vendor. It may work on other distros
+# or versions, but no effort will be made to ensure that going forward
+%define min_rhel 6
+%define min_fedora 25
+
+%if (0%{?fedora} && 0%{?fedora} >= %{min_fedora}) || (0%{?rhel} && 0%{?rhel} >= %{min_rhel})
+    %define supported_platform 1
+%else
+    %define supported_platform 0
+%endif
 
 %define _with_python2 1
 %define _with_python3 0
@@ -81,6 +92,11 @@ of recent versions of Linux (and other OSes).
 find examples -type f -exec chmod 0644 \{\} \;
 
 %build
+%if ! %{supported_platform}
+echo "This RPM requires either Fedora >= %{min_fedora} or RHEL >= %{min_rhel}"
+exit 1
+%endif
+
 %if %{with_python2}
 CFLAGS="$RPM_OPT_FLAGS" %{__python} setup.py build
 %endif
-- 
2.14.3