diff options
author | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-10-27 19:00:36 +0100 |
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committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2013-10-27 19:00:36 +0100 |
commit | f1446f13d8678020887da93760cdbb59ed90e124 (patch) | |
tree | 0a5fb27397fc14ee6c30745a34f3ed00bfc782e8 /configure.ac | |
parent | 6e85776d53e2ceb559cc43f70c14b90303aa8a94 (diff) |
net->user_ns is available starting from 3.8, add compatibility checking
Reported by Jan Engelhardt
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index d56328c..c5f3770 100644 --- a/configure.ac +++ b/configure.ac @@ -303,6 +303,16 @@ else AC_SUBST(HAVE_NET_OPS_ID, undef) fi +AC_MSG_CHECKING([kernel source for user_ns in struct net]) +if test -f $ksourcedir/include/net/net_namespace.h && \ + $AWK '/^struct net \{/ {for(i=1; i<=20; i++) {getline; print}}' $ksourcedir/include/net/net_namespace.h | $GREP -q 'user_ns'; then + AC_MSG_RESULT(yes) + AC_SUBST(HAVE_USER_NS_IN_STRUCT_NET, define) +else + AC_MSG_RESULT(no) + AC_SUBST(HAVE_USER_NS_IN_STRUCT_NET, undef) +fi + AC_MSG_CHECKING([kernel source for struct net_generic]) if test -f $ksourcedir/include/net/netns/generic.h && \ $GREP -q 'struct net_generic' $ksourcedir/include/net/netns/generic.h; then |