[Qemu-devel] Re: [PATCH] ceph/rbd block driver for qemu-kvm (v8)

Commit Message

Yehuda Sadeh Weinraub Nov. 29, 2010, 7:47 p.m. UTC

None

Patch

diff --git a/configure b/configure
index 5d8f620..18ae07c 100755
--- a/configure
+++ b/configure
@@ -1770,15 +1770,36 @@  int main(void) { rados_initialize(0, NULL); return 0; }
 EOF
   rbd_libs="-lrados -lcrypto"
   if compile_prog "" "$rbd_libs" ; then
-    rbd=yes
-    libs_tools="$rbd_libs $libs_tools"
-    libs_softmmu="$rbd_libs $libs_softmmu"
+    librados_too_old=no
+    cat > $TMPC <<EOF
+#include <stdio.h>
+#include <rados/librados.h>
+#ifndef CEPH_OSD_TMAP_SET
+#error missing CEPH_OSD_TMAP_SET
+#endif
+int main(void) {
+    int (*func)(const rados_pool_t pool, uint64_t *snapid) = rados_selfmanaged_snap_create;
+    rados_initialize(0, NULL);
+    return 0;
+}
+EOF
+    if compile_prog "" "$rbd_libs" ; then
+      rbd=yes
+      libs_tools="$rbd_libs $libs_tools"
+      libs_softmmu="$rbd_libs $libs_softmmu"
+    else
+      rbd=no
+      librados_too_old=yes
+    fi
   else
     if test "$rbd" = "yes" ; then
       feature_not_found "rados block device"
     fi
     rbd=no
   fi
+  if test "$librados_too_old" = "yes" ; then
+    echo "-> Your librados version is too old - upgrade needed to have rbd support"
+  fi
 fi
 
 ##########################################