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-rw-r--r--contrib/tsm_system_time/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/contrib/tsm_system_time/Makefile b/contrib/tsm_system_time/Makefile
index 168becf54e..4c08a9935a 100644
--- a/contrib/tsm_system_time/Makefile
+++ b/contrib/tsm_system_time/Makefile
@@ -9,6 +9,8 @@ DATA = tsm_system_time--1.0.sql
REGRESS = tsm_system_time
+SHLIB_LINK += $(filter -lm, $(LIBS))
+
ifdef USE_PGXS
PG_CONFIG = pg_config
PGXS := $(shell $(PG_CONFIG) --pgxs)