diff -up tigervnc-1.0.90-20091221svn3929/common/jpeg/simd/jsimdext.inc.noexecstack tigervnc-1.0.90-20091221svn3929/common/jpeg/simd/jsimdext.inc
--- tigervnc-1.0.90-20091221svn3929/common/jpeg/simd/jsimdext.inc.noexecstack	2010-01-22 10:52:35.968632745 +0100
+++ tigervnc-1.0.90-20091221svn3929/common/jpeg/simd/jsimdext.inc	2010-01-22 10:56:50.877629306 +0100
@@ -53,6 +53,9 @@
 ; * *BSD family Unix using elf format
 ; * Unix System V, including Solaris x86, UnixWare and SCO Unix
 
+; mark stack as non-executable
+section .note.GNU-stack noalloc noexec nowrite progbits
+
 ; -- segment definition --
 ;
 %ifdef __x86_64__