vdso_32_inc = gen_vdso.process('vdso-32.so', extra_args: ['-r', '__vdso_rt_sigreturn']) vdso_64_inc = gen_vdso.process('vdso-64.so', extra_args: ['-r', '__vdso_rt_sigreturn']) linux_user_ss.add(when: 'TARGET_RISCV32', if_true: vdso_32_inc) linux_user_ss.add(when: 'TARGET_RISCV64', if_true: vdso_64_inc)