build.rs: Rename duplicate aarch64 symbols

The duplicate symbols are from compiler-builtins.

Author: mkroening

hermit-sys/aarch64-duplicate-symbols

@@ -0,0 +1,107 @@
+__adddf3
+__addsf3
+__ashldi3
+__ashlsi3
+__ashlti3
+__ashrdi3
+__ashrsi3
+__ashrti3
+__clzsi2
+__divdf3
+__divdi3
+__divmoddi4
+__divmodsi4
+__divmodti4
+__divsf3
+__divsi3
+__divti3
+__eqdf2
+__eqsf2
+__extendsfdf2
+__fixdfdi
+__fixdfsi
+__fixdfti
+__fixsfdi
+__fixsfsi
+__fixsfti
+__fixunsdfdi
+__fixunsdfsi
+__fixunsdfti
+__fixunssfdi
+__fixunssfsi
+__fixunssfti
+__floatdidf
+__floatdisf
+__floatsidf
+__floatsisf
+__floattidf
+__floattisf
+__floatundidf
+__floatundisf
+__floatunsidf
+__floatunsisf
+__floatuntidf
+__floatuntisf
+__gedf2
+__gesf2
+__gtdf2
+__gtsf2
+__ledf2
+__lesf2
+__llvm_memcpy_element_unordered_atomic_1
+__llvm_memcpy_element_unordered_atomic_16
+__llvm_memcpy_element_unordered_atomic_2
+__llvm_memcpy_element_unordered_atomic_4
+__llvm_memcpy_element_unordered_atomic_8
+__llvm_memmove_element_unordered_atomic_1
+__llvm_memmove_element_unordered_atomic_16
+__llvm_memmove_element_unordered_atomic_2
+__llvm_memmove_element_unordered_atomic_4
+__llvm_memmove_element_unordered_atomic_8
+__llvm_memset_element_unordered_atomic_1
+__llvm_memset_element_unordered_atomic_16
+__llvm_memset_element_unordered_atomic_2
+__llvm_memset_element_unordered_atomic_4
+__llvm_memset_element_unordered_atomic_8
+__lshrdi3
+__lshrsi3
+__lshrti3
+__ltdf2
+__ltsf2
+__moddi3
+__modsi3
+__modti3
+__muldf3
+__muldi3
+__mulodi4
+__mulosi4
+__muloti4
+__mulsf3
+__multi3
+__nedf2
+__nesf2
+__powidf2
+__powisf2
+__rust_i128_add
+__rust_i128_addo
+__rust_i128_mulo
+__rust_i128_sub
+__rust_i128_subo
+__rust_u128_add
+__rust_u128_addo
+__rust_u128_mulo
+__rust_u128_sub
+__rust_u128_subo
+__subdf3
+__subsf3
+__udivdi3
+__udivmoddi4
+__udivmodsi4
+__udivmodti4
+__udivsi3
+__udivti3
+__umoddi3
+__umodsi3
+__umodti3
+__unorddf2
+__unordsf2

hermit-sys/build.rs

@@ -149,7 +149,12 @@ fn build_hermit(src_dir: &Path, target_dir_opt: Option<&Path>) {
 
 	let lib = lib_location.join("libhermit.a");
 
-	let symbols = vec!["rust_begin_unwind", "rust_oom"];
+	let mut symbols = vec!["rust_begin_unwind", "rust_oom"];
+
+	if target_arch == "aarch64" {
+		symbols.extend(include_str!("aarch64-duplicate-symbols").lines());
+	}
+
 	rename_symbols(symbols, &lib);
 
 	println!("cargo:rustc-link-search=native={}", lib_location.display());