Add math library -lm into paramgrill linker flag;
diff --git a/contrib/cmake/programs/CMakeLists.txt b/contrib/cmake/programs/CMakeLists.txt
index abf3b5d..2c036dd 100644
--- a/contrib/cmake/programs/CMakeLists.txt
+++ b/contrib/cmake/programs/CMakeLists.txt
@@ -67,8 +67,7 @@
     TARGET_LINK_LIBRARIES(zbufftest libzstd_static)
 
     ADD_EXECUTABLE(paramgrill ${PROGRAMS_DIR}/datagen.c ${PROGRAMS_DIR}/xxhash.c ${PROGRAMS_DIR}/paramgrill.c)
-    TARGET_LINK_LIBRARIES(paramgrill libzstd_static)
-    SET_TARGET_PROPERTIES(paramgrill PROPERTIES LINK_FLAGS "-lm")
+    TARGET_LINK_LIBRARIES(paramgrill libzstd_static m) #m is math library
 
     ADD_EXECUTABLE(datagen ${PROGRAMS_DIR}/datagen.c ${PROGRAMS_DIR}/datagencli.c)
     TARGET_LINK_LIBRARIES(datagen libzstd_static)