.section .note.GNU-stack,"",%progbits
+
+#endif
+--- boost_1_61_0/libs/context/src/asm/ontop_i386_sysv_elf_gas.S.orig 2016-05-05 23:11:09.000000000 +0200
++++ boost_1_61_0/libs/context/src/asm/ontop_i386_sysv_elf_gas.S 2016-05-15 19:29:14.464562018 +0200
+@@ -17,6 +17,10 @@
+ * *
+ *****************************************************************************************/
+
++#ifdef __x86_64__
++#include "ontop_x86_64_sysv_elf_gas.S"
++#else
++
+ .text
+ .globl ontop_fcontext
+ .align 2
+@@ -59,3 +63,5 @@
+
+ /* Mark that we don't need executable stack. */
+ .section .note.GNU-stack,"",%progbits
++
++#endif