configure.in remove some stray warning messages for failed tests

safe_mysqld.sh	remove some stray warning messages for failed tests

configure.in

@@ -341,13 +341,13 @@ AC_PATH_PROG(KILL, kill, kill)
 AC_MSG_CHECKING("for kill switches")
 if $ac_cv_path_KILL -0 $$
 then
-  CHECK_PID="$ac_cv_path_KILL -0 \$\$PID"
+  CHECK_PID="$ac_cv_path_KILL -0 \$\$PID > /dev/null 2>&1"
 elif kill -s 0 $$
 then
-  CHECK_PID="$ac_cv_path_KILL -s 0 \$\$PID"
+  CHECK_PID="$ac_cv_path_KILL -s 0 \$\$PID > /dev/null 2>&1"
 else
   AC_MSG_WARN([kill -0 to check for pid seems to fail])
-    CHECK_PID="$ac_cv_path_KILL -s SIGCONT \$\$PID"
+    CHECK_PID="$ac_cv_path_KILL -s SIGCONT \$\$PID > /dev/null 2>&1"
 fi
 AC_SUBST(CHECK_PID)
 AC_MSG_RESULT("$CHECK_PID")

scripts/safe_mysqld.sh

@@ -88,11 +88,11 @@ then
 fi
 
 
-NOHUP_NICENESS=`nohup nice`
-if test $? -ne 0 || test x"$NOHUP_NICENESS" = x0 || test ! nice --1 echo foo > /dev/null 2>&1; then
-  NOHUP_NICENESS="nohup"
-else
+NOHUP_NICENESS=`nohup nice 2>&1`
+if test $? -eq 0 && test x"$NOHUP_NICENESS" != x0 && nice --1 echo foo > /dev/null 2>&1; then
   NOHUP_NICENESS="nice --$NOHUP_NICENESS nohup"
+else
+  NOHUP_NICENESS="nohup"
 fi
 
 export MYSQL_UNIX_PORT