Remove linking to libamiga and libc

CMakeLists.txt

@@ -385,7 +385,7 @@ if (NOT ("${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "MSVC"))
 
 	# OSX Mach-O doesn't support linking with '-Bsymbolic-functions'.
 	# Others may not support it, too.
-	list(APPEND CMAKE_REQUIRED_LIBRARIES "-Wl,-Bsymbolic-functions,-lamiga,-lc")
+	list(APPEND CMAKE_REQUIRED_LIBRARIES "-Wl,-Bsymbolic-functions")
 	check_c_source_compiles(
 	"
 	int main (void)