Close #12326: sys.platform is now always 'linux' on Linux
On Linux, sys.platform doesn't contain the major version anymore. It is now
always 'linux', instead of 'linux2' or 'linux3' depending on the Linux version
used to build Python.
diff --git a/configure b/configure
index c96306d..6b954b6 100755
--- a/configure
+++ b/configure
@@ -3052,6 +3052,7 @@
MACHDEP="$ac_md_system$ac_md_release"
case $MACHDEP in
+ linux*) MACHDEP="linux2";;
cygwin*) MACHDEP="cygwin";;
darwin*) MACHDEP="darwin";;
irix646) MACHDEP="irix6";;