From 8d083df3a8c10b3599e95a2a745c1fe8d4b715b0 Mon Sep 17 00:00:00 2001
From: "guilhem@mysql.com" <>
Date: Tue, 30 Sep 2003 00:08:12 +0200
Subject: A note that Valgrind does not give a good stacktrace when the problem
 is involving an assembly function. Testcase was BUG#1194 SELECT @a:=1; SELECT
 @a, @a:=1;

---
 BUILD/compile-pentium-valgrind-max | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'BUILD')

diff --git a/BUILD/compile-pentium-valgrind-max b/BUILD/compile-pentium-valgrind-max
index 14f57d24841..0201001c959 100755
--- a/BUILD/compile-pentium-valgrind-max
+++ b/BUILD/compile-pentium-valgrind-max
@@ -1,5 +1,17 @@
 #! /bin/sh
 
+echo "\
+********************************************************************************
+Note that by default BUILD/compile-pentium-valgrind-max calls 'configure' with
+--enable-assembler. When Valgrind detects an error involving an assembly
+function (for example an uninitialized value used as an argument of an assembly
+function), Valgrind will not print the stacktrace and 'valgrind
+--gdb-attach=yes' will not work either. If you need a stacktrace in those cases,
+you have to run BUILD/compile-pentium-valgrind-max with the --disable-assembler
+argument.
+********************************************************************************
+"
+
 path=`dirname $0`
 . "$path/SETUP.sh"
 
@@ -11,3 +23,15 @@ extra_configs="$pentium_configs $debug_configs"
 extra_configs="$extra_configs --with-berkeley-db --with-innodb --with-embedded-server --with-openssl"
 
 . "$path/FINISH.sh"
+
+echo "\
+********************************************************************************
+Note that by default BUILD/compile-pentium-valgrind-max calls 'configure' with
+--enable-assembler. When Valgrind detects an error involving an assembly
+function (for example an uninitialized value used as an argument of an assembly
+function), Valgrind will not print the stacktrace and 'valgrind
+--gdb-attach=yes' will not work either. If you need a stacktrace in those cases,
+you have to run BUILD/compile-pentium-valgrind-max with the --disable-assembler
+argument.
+********************************************************************************
+"
-- 
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