Replace setjmp lib.rs with empty file

src/setjmp/src/lib.rs

@@ -2,61 +2,5 @@
 
 #![no_std]
 
-extern crate platform;
-
-use platform::types::*;
-
-#[cfg(target_arch = "aarch64")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 22];
-#[cfg(target_arch = "arm")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulonglong; 32];
-#[cfg(target_arch = "i386")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 6];
-#[cfg(target_arch = "m68k")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 39];
-#[cfg(target_arch = "microblaze")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 18];
-#[cfg(target_arch = "mips")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulonglong; 13];
-#[cfg(target_arch = "mips64")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulonglong; 23];
-#[cfg(target_arch = "mipsn32")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulonglong; 23];
-#[cfg(target_arch = "or1k")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 13];
-#[cfg(target_arch = "powerpc")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulonglong; 56];
-#[cfg(target_arch = "powerpc64")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [u128; 32];
-#[cfg(target_arch = "s390x")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 18];
-#[cfg(target_arch = "sh")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 15];
-#[cfg(target_arch = "x32")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulonglong; 8];
-#[cfg(target_arch = "x86_64")]
-#[allow(non_camel_case_types)]
-type jmp_buf = [c_ulong; 8];
-
-#[link(name = "setjmp", kind = "static")]
-extern "C" {
-    fn setjmp(buf: jmp_buf) -> c_int;
-}
-#[link(name = "longjmp", kind = "static")]
-extern "C" {
-    fn longjmp(buf: jmp_buf, val: c_int);
-}
+// EMPTY FILE.
+// This project is here because of the build.rs file which will compile musl's existing code for setjmp.