diff --git a/sysdeps/unix/sysv/sysv4/solaris2/sigstack.c b/sysdeps/unix/sysv/sysv4/solaris2/sigstack.c
new file mode 100644
index 0000000000..5aa73c8dcb
--- /dev/null
+++ b/sysdeps/unix/sysv/sysv4/solaris2/sigstack.c
@@ -0,0 +1,3 @@
+/* We can reuse the Linux implementation with some tricks.  */
+#define __NR_sigaltstack 1
+#include <sysdeps/unix/sysv/linux/sigstack.c>