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-rw-r--r--backends/s390_initreg.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/backends/s390_initreg.c b/backends/s390_initreg.c
index b4c4b67c..011305ce 100644
--- a/backends/s390_initreg.c
+++ b/backends/s390_initreg.c
@@ -32,7 +32,7 @@
#include "system.h"
#include <assert.h>
-#ifdef __s390__
+#if defined(__s390__) && defined(__linux__)
# include <sys/user.h>
# include <asm/ptrace.h>
# include <sys/ptrace.h>
@@ -46,7 +46,7 @@ s390_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
ebl_tid_registers_t *setfunc __attribute__ ((unused)),
void *arg __attribute__ ((unused)))
{
-#ifndef __s390__
+#if !defined(__s390__) || !defined(__linux__)
return false;
#else /* __s390__ */
struct user user_regs;