diff --git a/vlib/sync/stdatomic/1.declarations.c.v b/vlib/sync/stdatomic/1.declarations.c.v
index ec843f92bb..c0feddcb4b 100644
--- a/vlib/sync/stdatomic/1.declarations.c.v
+++ b/vlib/sync/stdatomic/1.declarations.c.v
@@ -29,19 +29,40 @@ $if linux {
 				#flag $when_first_existing('/usr/lib/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/6/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/7/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/8/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/9/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/10/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/11/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/12/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/13/libatomic.a','/usr/lib/gcc/x86_64-pc-linux-musl/14/libatomic.a')
 			}
 		} $else $if arm64 {
+			// Note: Use `.so` instead of `.a`.
+			// This is because `libatomic.a` atomic symbols, such as `__atomic_fetch_add_4`, are indirect(IFUNC) symbols:
+			// This can not be handled correctly by `tcc` right now.
+
+			// Symbol table '.symtab' contains 14 entries:
+			//   Num:    Value          Size Type    Bind   Vis      Ndx Name
+			//     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND
+			//     1: 0000000000000000     0 SECTION LOCAL  DEFAULT    1
+			//     2: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT    1 $x
+			//     3: 0000000000000030    12 FUNC    LOCAL  DEFAULT    1 select_fetch_add_4
+			//     4: 0000000000000040    12 FUNC    LOCAL  DEFAULT    1 select_add_fetch_4
+			//     5: 0000000000000014     0 NOTYPE  LOCAL  DEFAULT    6 $d
+			//     6: 0000000000000000     0 SECTION LOCAL  DEFAULT    3
+			//     7: 0000000000000000     0 SECTION LOCAL  DEFAULT    4
+			//     8: 0000000000000000     0 SECTION LOCAL  DEFAULT    5
+			//     9: 0000000000000000     0 SECTION LOCAL  DEFAULT    6
+			//    10: 0000000000000000    24 FUNC    GLOBAL HIDDEN     1 libat_fetch_add_4
+			//    11: 0000000000000018    24 FUNC    GLOBAL HIDDEN     1 libat_add_fetch_4
+			//    12: 0000000000000030    12 IFUNC   GLOBAL DEFAULT    1 __atomic_fetch_add_4
+			//    13: 0000000000000040    12 IFUNC   GLOBAL DEFAULT    1 __atomic_add_fetch_4
+
 			// Debian/Ubuntu:
-			#flag $when_first_existing('/usr/lib/gcc/aarch64-linux-gnu/6/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/7/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/8/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/9/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/10/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/11/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/12/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/13/libatomic.a','/usr/lib/gcc/aarch64-linux-gnu/14/libatomic.a')
+			#flag $when_first_existing('/usr/lib/gcc/aarch64-linux-gnu/6/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/7/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/8/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/9/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/10/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/11/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/12/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/13/libatomic.so','/usr/lib/gcc/aarch64-linux-gnu/14/libatomic.so')
 			// Redhat/CentOS:
-			#flag $when_first_existing('/usr/lib/gcc/aarch64-redhat-linux/6/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/7/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/8/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/9/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/10/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/11/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/12/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/13/libatomic.a','/usr/lib/gcc/aarch64-redhat-linux/14/libatomic.a')
+			#flag $when_first_existing('/usr/lib/gcc/aarch64-redhat-linux/6/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/7/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/8/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/9/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/10/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/11/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/12/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/13/libatomic.so','/usr/lib/gcc/aarch64-redhat-linux/14/libatomic.so')
 			// Gentoo:
-			#flag $when_first_existing('/usr/lib/gcc/aarch64-pc-linux-gnu/6/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/7/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/8/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/9/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/10/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/11/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/12/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/13/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-gnu/14/libatomic.a')
+			#flag $when_first_existing('/usr/lib/gcc/aarch64-pc-linux-gnu/6/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/7/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/8/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/9/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/10/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/11/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/12/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/13/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-gnu/14/libatomic.so')
 			// OpenSUSE:
-			#flag $when_first_existing('/usr/lib64/gcc/aarch64-suse-linux/6/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/7/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/8/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/9/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/10/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/11/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/12/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/13/libatomic.a','/usr/lib64/gcc/aarch64-suse-linux/14/libatomic.a')
+			#flag $when_first_existing('/usr/lib64/gcc/aarch64-suse-linux/6/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/7/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/8/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/9/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/10/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/11/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/12/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/13/libatomic.so','/usr/lib64/gcc/aarch64-suse-linux/14/libatomic.so')
 			// ALT Linux:
-			#flag $when_first_existing('/usr/lib64/gcc/aarch64-alt-linux/6/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/7/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/8/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/9/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/10/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/11/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/12/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/13/libatomic.a','/usr/lib64/gcc/aarch64-alt-linux/14/libatomic.a')
+			#flag $when_first_existing('/usr/lib64/gcc/aarch64-alt-linux/6/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/7/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/8/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/9/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/10/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/11/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/12/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/13/libatomic.so','/usr/lib64/gcc/aarch64-alt-linux/14/libatomic.so')
 			$if musl ? {
 				// Alpine:
-				#flag $when_first_existing('/usr/lib/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/6/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/7/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/8/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/9/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/10/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/11/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/12/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/13/libatomic.a','/usr/lib/gcc/aarch64-pc-linux-musl/14/libatomic.a')
+				#flag $when_first_existing('/usr/lib/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/6/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/7/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/8/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/9/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/10/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/11/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/12/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/13/libatomic.so','/usr/lib/gcc/aarch64-pc-linux-musl/14/libatomic.so')
 			}
 		}
 	}