zircon/third_party/ulib/musl/lib.ld - fuchsia - Git at Google

 /*
  * The APIs traditionally found in -lm, -ldl, or -lpthread are all implemented
  * in libc.so, so this file just redirects the linker to refer there instead.
  */
 INPUT(AS_NEEDED(libc.so))
	/*
	* The APIs traditionally found in -lm, -ldl, or -lpthread are all implemented
	* in libc.so, so this file just redirects the linker to refer there instead.
	*/
	INPUT(AS_NEEDED(libc.so))