1 files changed, 4 insertions, 0 deletions

diff --git a/abi-tags b/abi-tags
index 7adc62ef2d..87cd6816a9 100644
--- a/abi-tags
+++ b/abi-tags
@@ -24,5 +24,9 @@
 
 .*-.*-freebsd.*-gnu.*	3	4.0.0	# earliest compatible kernel version
 
+.*-.*-knetbsd.*-gnu.*	4	1.6.0	# earliest compatible kernel version
+
+.*-.*-syllable.*	5	2.0.0	# just an arbitrary value
+
 # There is no catch-all default here because every supported OS that uses
 # ELF must have its own unique ABI tag.