--- src/Makevars.in	2023-03-27 13:03:13.000000000 +0800
+++ src/Makevars.in	2024-05-18 08:50:43.000000000 +0800
@@ -1,5 +1,5 @@
 PKG_CPPFLAGS=-DRCPP_USE_UNWIND_PROTECT -DRCPP_NO_RTTI -DRCPP_NO_SUGAR -I. @ZSTD_INCLUDE_PATH@ @LZ4_INCLUDE_PATH@ @SIMD_FLAG@
-PKG_LIBS=-L. -lpthread @COMPILER_SPECIFIC_LIBS@ @ZSTD_LIBS@ @LZ4_LIBS@
+PKG_LIBS=-L. -lpthread @COMPILER_SPECIFIC_LIBS@ @ZSTD_LIBS@ @LZ4_LIBS@ -latomic
 
 LIBZSTD = ZSTD/zstd.o
 LIBLZ4  = LZ4/lz4.o LZ4/lz4hc.o