diff --git a/build/Jamfile.v2 b/build/Jamfile.v2
index 5bb222a..fb6bcf0 100644
--- a/build/Jamfile.v2
+++ b/build/Jamfile.v2
@@ -482,6 +482,17 @@ alias asm_sources
      <toolset>gcc
    ;
 
+alias asm_sources
+   : asm/make_s390x_sysv_elf_gas.S
+     asm/jump_s390x_sysv_elf_gas.S
+     asm/ontop_s390x_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>s390x
+     <binary-format>elf
+     <toolset>clang
+   ;
+
 # X86
 # X86/SYSV/ELF
 alias asm_sources