bzr commit into mysql-5.4 branch (joerg:2857) Bug#42213

[Joerg Bruehe]

#At file:///MySQL/REPO/V54/merge-5.4/ based on revid:alik@stripped

 2857 Joerg Bruehe	2009-08-07 [merge]
      Upmerge from 5.1 to 5.4 ("azalea"):
      10 merge changesets (no code change) plus
      the fix for bug#42213.

    modified:
      config/ac-macros/misc.m4
=== modified file 'config/ac-macros/misc.m4'
--- a/config/ac-macros/misc.m4	2009-03-25 13:27:59 +0000
+++ b/config/ac-macros/misc.m4	2009-08-07 12:22:39 +0000
@@ -619,6 +619,10 @@ AC_DEFUN([MYSQL_STACK_DIRECTION],[
        [AC_LANG_PROGRAM(
           [[
 	    #include <stdlib.h>
+ /* Prevent compiler optimization by HP's compiler, see bug#42213 */
+#if defined(__HP_cc) || defined (__HP_aCC) || defined (__hpux)
+#pragma noinline
+#endif
  int find_stack_direction ()
  {
    static char *addr = 0;


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