bzr commit into mysql-5.0 branch (joerg:2780) Bug#42213

[Joerg Bruehe]

#At file:///MySQL/REPO/V50/push-5.0/ based on revid:joerg@stripped

 2780 Joerg Bruehe	2009-07-30 [merge]
      Merge the fix for bug#42213 into 5.0-build.

    modified:
      config/ac-macros/misc.m4
=== modified file 'config/ac-macros/misc.m4'
--- a/config/ac-macros/misc.m4	2009-03-11 15:46:21 +0000
+++ b/config/ac-macros/misc.m4	2009-07-30 14:12:26 +0000
@@ -583,6 +583,10 @@ fi
 AC_DEFUN([MYSQL_STACK_DIRECTION],
  [AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
  [AC_TRY_RUN([#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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