--- cmake-3.20.6.old/Modules/FindLua.cmake
+++ cmake-3.20.6/Modules/FindLua.cmake
@@ -211,9 +211,8 @@
 if (LUA_LIBRARY)
   # include the math library for Unix
   if (UNIX AND NOT APPLE AND NOT BEOS)
-    find_library(LUA_MATH_LIBRARY m)
     mark_as_advanced(LUA_MATH_LIBRARY)
-    set(LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}")
+    set(LUA_LIBRARIES "${LUA_LIBRARY};-lm")
 
     # include dl library for statically-linked Lua library
     get_filename_component(LUA_LIB_EXT ${LUA_LIBRARY} EXT)
--- cmake-3.20.6.old/Modules/FindLua50.cmake
+++ cmake-3.20.6/Modules/FindLua50.cmake
@@ -72,8 +72,7 @@
   if(LUA_LIBRARY_lualib AND LUA_LIBRARY_lua)
     # include the math library for Unix
     if(UNIX AND NOT APPLE)
-      find_library(MATH_LIBRARY_FOR_LUA m)
-      set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua};${MATH_LIBRARY_FOR_LUA}" CACHE STRING "This is the concatenation of lua and lualib libraries")
+      set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua};${MATH_LIBRARY_FOR_LUA};-lm" CACHE STRING "This is the concatenation of lua and lualib libraries")
     # For Windows and Mac, don't need to explicitly include the math library
     else()
       set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua}" CACHE STRING "This is the concatenation of lua and lualib libraries")
--- cmake-3.20.6.old/Modules/FindLua51.cmake
+++ cmake-3.20.6/Modules/FindLua51.cmake
@@ -59,8 +59,7 @@
 if(LUA_LIBRARY)
   # include the math library for Unix
   if(UNIX AND NOT APPLE AND NOT BEOS AND NOT HAIKU)
-    find_library(LUA_MATH_LIBRARY m)
-    set( LUA_LIBRARIES "${LUA_LIBRARY};${LUA_MATH_LIBRARY}" CACHE STRING "Lua Libraries")
+    set (LUA_LIBRARIES "${LUA_LIBRARY};-lm" CACHE STRING "Lua Libraries")
   # For Windows and Mac, don't need to explicitly include the math library
   else()
     set( LUA_LIBRARIES "${LUA_LIBRARY}" CACHE STRING "Lua Libraries")