use devtoolset-1.1 for mysql/mariadb builds. avoids the dep on gcc 4.7 libstdc++.so

scripts/setup.mysql.bash

@@ -13,6 +13,7 @@ s3bucket=tokutek-mysql-build
 sleeptime=60
 builtins="mysqlbuild shutdown install startup s3bucket sleeptime"
 mysqld_args="--user=mysql --core-file --core-file-size=unlimited"
+sudo=/usr/bin/sudo
 defaultsfile=""
 if [ -f /etc/$(whoami).my.cnf ] ; then
     defaultsfile=/etc/$(whoami).my.cnf
@@ -92,13 +93,13 @@ fi
 # set ldpath
 ldpath=""
 if [ -d /usr/local/gcc-4.7/lib64 ] ; then
-    ldpath="export LD_LIBRARY_PATH=/usr/local/gcc-4.7/lib64:\$LD_LIBRARY_PATH;"
+    echo skip ldpath="export LD_LIBRARY_PATH=/usr/local/gcc-4.7/lib64:\$LD_LIBRARY_PATH;"
 fi
 
 # shutdown mysql
 if [ $shutdown -ne 0 ] ; then
     if [ -x /etc/init.d/mysql ] ; then
-        sudo setsid /etc/init.d/mysql stop
+        $sudo setsid /etc/init.d/mysql stop
     else
         /usr/local/mysql/bin/mysqladmin shutdown
     fi
@@ -123,7 +124,7 @@ fi
 
 if [ ! -d $mysqlbuild ] || [ $install -ne 0 ] ; then
     rm mysql
-    if [ -d $mysqlbuild ] ; then sudo rm -rf $mysqlbuild; fi
+    if [ -d $mysqlbuild ] ; then $sudo rm -rf $mysqlbuild; fi
 
     tar -x $compression -f $basedir/$mysqltarball
     if [ $? -ne 0 ] ; then exit 1; fi
@@ -137,8 +138,8 @@ if [ ! -d $mysqlbuild ] || [ $install -ne 0 ] ; then
         installdb=$mysqlbuild/scripts/mysql_install_db
     fi
 
-    sudo chown -R mysql $mysqlbuild/data
-    sudo chgrp -R mysql $mysqlbuild/data
+    $sudo chown -R mysql $mysqlbuild/data
+    $sudo chgrp -R mysql $mysqlbuild/data
 
     # 5.6 debug build needs this 
     if [ ! -f $mysqlbuild/bin/mysqld ] && [ -f $mysqlbuild/bin/mysqld-debug ] ; then
@@ -150,12 +151,14 @@ if [ ! -d $mysqlbuild ] || [ $install -ne 0 ] ; then
     else
         default_arg="--defaults-file=$defaultsfile"
     fi
-    sudo bash -c "$ldpath $installdb $default_arg --user=mysql --basedir=$PWD/$mysqlbuild --datadir=$PWD/$mysqlbuild/data"
+    $sudo bash -c "$ldpath $installdb $default_arg --user=mysql --basedir=$PWD/$mysqlbuild --datadir=$PWD/$mysqlbuild/data"
     if [ $? -ne 0 ] ; then exit 1; fi
 else
     # create link
+    rm /usr/local/mysql
     ln -s $mysqldir /usr/local/mysql
     if [ $? -ne 0 ] ; then exit 1; fi
+    rm /usr/local/$mysqlbuild
     ln -s $mysqldir /usr/local/$mysqlbuild
     if [ $? -ne 0 ] ; then exit 1; fi
 fi
@@ -170,14 +173,14 @@ if [ $startup -ne 0 ] ; then
     echo ulimit -n 10240 exitcode $exitcode
 
     if [ -x /etc/init.d/mysql ] ; then
-        sudo setsid /etc/init.d/mysql start
+        $sudo setsid /etc/init.d/mysql start
     else
         if [ -z "$defaultsfile" ] ; then
             default_arg=""
         else
             default_arg="--defaults-file=$defaultsfile"
         fi
-        sudo -b bash -c "$ldpath /usr/local/mysql/bin/mysqld_safe $default_arg $mysqld_args" >/dev/null 2>&1 &
+        $sudo -b bash -c "$ldpath /usr/local/mysql/bin/mysqld_safe $default_arg $mysqld_args" >/dev/null 2>&1 &
     fi
     sleep $sleeptime