-Update configure template to autoconf 2.68

-Upd configure to disable warning only when enable-debug option ain't selected. (thus if you wanna see more warnings compile with enable-debug)
-Add -Wconversion in configure.

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@17061 54d463be-8e91-2dee-dedb-b68131a5f0ec

2 files changed, 187 insertions, 160 deletions

diff --git a/configure b/configure
index 3c0eaaf41..20acd0458 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
-# From configure.in Revision: 16226 .
+# From configure.in Revision: 17060 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.67.
+# Generated by GNU Autoconf 2.68.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -90,6 +90,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -215,11 +216,18 @@ IFS=$as_save_IFS
   # We cannot yet assume a decent shell, so we have to provide a
 	# neutralization value for shells without unset; and this also
 	# works around shells that cannot unset nonexistent variables.
+	# Preserve -v and -x to the replacement shell.
 	BASH_ENV=/dev/null
 	ENV=/dev/null
 	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
 	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+	case $- in # ((((
+	  *v*x* | *x*v* ) as_opts=-vx ;;
+	  *v* ) as_opts=-v ;;
+	  *x* ) as_opts=-x ;;
+	  * ) as_opts= ;;
+	esac
+	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -1085,7 +1093,7 @@ Try \`$0 --help' for more information"
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
   esac
@@ -1406,7 +1414,7 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.67
+generated by GNU Autoconf 2.68
 
 Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
@@ -1452,7 +1460,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1489,7 +1497,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -1502,10 +1510,10 @@ fi
 ac_fn_c_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval "test \"\${$3+set}\"" = set; then :
+  if eval \${$3+:} false; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1568,7 +1576,7 @@ $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -1577,7 +1585,7 @@ eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_mongrel
 
@@ -1618,7 +1626,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -1632,7 +1640,7 @@ ac_fn_c_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1650,7 +1658,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_compile
 
@@ -1695,7 +1703,7 @@ fi
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
@@ -1708,7 +1716,7 @@ ac_fn_c_check_func ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1763,7 +1771,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
 cat >config.log <<_ACEOF
@@ -1771,7 +1779,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   $ $0 $@
 
@@ -2029,7 +2037,7 @@ $as_echo "$as_me: loading site script $ac_site_file" >&6;}
       || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -2142,7 +2150,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2182,7 +2190,7 @@ if test -z "$ac_cv_prog_CC"; then
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2235,7 +2243,7 @@ if test -z "$CC"; then
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2275,7 +2283,7 @@ if test -z "$CC"; then
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2334,7 +2342,7 @@ if test -z "$CC"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2378,7 +2386,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2433,7 +2441,7 @@ fi
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -2548,7 +2556,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -2591,7 +2599,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -2650,7 +2658,7 @@ $as_echo "$ac_try_echo"; } >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
@@ -2661,7 +2669,7 @@ rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2702,7 +2710,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -2712,7 +2720,7 @@ OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2749,7 +2757,7 @@ ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -2827,7 +2835,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -2935,7 +2943,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -3051,7 +3059,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -3063,7 +3071,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then :
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -3126,7 +3134,7 @@ $as_echo "$ac_cv_path_GREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then :
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -3193,7 +3201,7 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then :
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3322,7 +3330,7 @@ done
 
 
   ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
-if test "x$ac_cv_header_minix_config_h" = x""yes; then :
+if test "x$ac_cv_header_minix_config_h" = xyes; then :
   MINIX=yes
 else
   MINIX=
@@ -3344,7 +3352,7 @@ $as_echo "#define _MINIX 1" >>confdefs.h
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5
 $as_echo_n "checking whether it is safe to define __EXTENSIONS__... " >&6; }
-if test "${ac_cv_safe_to_define___extensions__+set}" = set; then :
+if ${ac_cv_safe_to_define___extensions__+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3397,7 +3405,7 @@ if test "${enable_manager+set}" = set; then :
 			"dmalloc");;
 			"gcollect");;
 			"bcheck");;
-			*) as_fn_error $? "unknown memory manager '$enableval'... stopping" "$LINENO" 5 ;;
+			*) as_fn_error $? "unknown memory manager '$enableval'... stopping" "$LINENO" 5;;
 		esac
 
 else
@@ -3431,7 +3439,7 @@ if test "${enable_debug+set}" = set; then :
 			"no");;
 			"yes");;
 			"gdb");;
-			*) as_fn_error $? "invalid argument --enable-debug=$enableval... stopping" "$LINENO" 5 ;;
+			*) as_fn_error $? "invalid argument --enable-debug=$enableval... stopping" "$LINENO" 5;;
 		esac
 
 else
@@ -3450,7 +3458,7 @@ if test "${enable_buildbot+set}" = set; then :
 		case $enableval in
 			"no");;
 			"yes");;
-			*) as_fn_error $? "invalid argument --enable-buildbot=$enableval... stopping" "$LINENO" 5 ;;
+			*) as_fn_error $? "invalid argument --enable-buildbot=$enableval... stopping" "$LINENO" 5;;
 		esac
 
 else
@@ -3483,7 +3491,7 @@ if test "${enable_profiler+set}" = set; then :
 		case $enableval in
 			"no");;
 			"gprof");;
-			*) as_fn_error $? "invalid argument --enable-profiler=$enableval... stopping" "$LINENO" 5 ;;
+			*) as_fn_error $? "invalid argument --enable-profiler=$enableval... stopping" "$LINENO" 5;;
 		esac
 
 else
@@ -3503,7 +3511,7 @@ if test "${enable_64bit+set}" = set; then :
 		case $enableval in
 			"no");;
 			"yes");;
-			*) as_fn_error $? "invalid argument --enable-64bit=$enableval... stopping" "$LINENO" 5 ;;
+			*) as_fn_error $? "invalid argument --enable-64bit=$enableval... stopping" "$LINENO" 5;;
 		esac
 
 else
@@ -3523,7 +3531,7 @@ if test "${enable_lto+set}" = set; then :
         case $enableval in
             "no");;
             "yes");;
-            *) as_fn_error $? "invalid argument --enable-lto=$disableval... stopping" "$LINENO" 5 ;;
+            *) as_fn_error $? "invalid argument --enable-lto=$disableval... stopping" "$LINENO" 5;;
         esac
 
 else
@@ -3671,7 +3679,7 @@ fi
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\"" = set; then :
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -3708,7 +3716,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3748,7 +3756,7 @@ if test -z "$ac_cv_prog_CC"; then
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3801,7 +3809,7 @@ if test -z "$CC"; then
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3841,7 +3849,7 @@ if test -z "$CC"; then
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3900,7 +3908,7 @@ if test -z "$CC"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3944,7 +3952,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3999,7 +4007,7 @@ fi
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -4028,7 +4036,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4065,7 +4073,7 @@ ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -4143,7 +4151,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -4250,7 +4258,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then :
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -4366,7 +4374,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -4379,7 +4387,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 set dummy ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_AR+set}" = set; then :
+if ${ac_cv_path_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $AR in
@@ -4423,13 +4431,13 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wno-sign-compare"
+CFLAGS="$CFLAGS -pipe -ffast-math -Wall"
 CPPFLAGS="$CPPFLAGS -I../common"
 
 
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
-if test "${ac_cv_c_bigendian+set}" = set; then :
+if ${ac_cv_c_bigendian+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_bigendian=unknown
@@ -4637,7 +4645,7 @@ fi
 $as_echo "$ac_cv_c_bigendian" >&6; }
  case $ac_cv_c_bigendian in #(
    yes)
-     as_fn_error $? "bigendian is not supported... stopping" "$LINENO" 5 ;; #(
+     as_fn_error $? "bigendian is not supported... stopping" "$LINENO" 5;; #(
    no)
       ;; #(
    universal)
@@ -4749,7 +4757,7 @@ if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5 ; }
+See \`config.log' for more details" "$LINENO" 5; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4790,17 +4798,18 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 int foo;
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 else
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-		CFLAGS="$OLD_CFLAGS"
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+		PROD_WARN="$PROD_WARN -Wno-unused-parameter"
 
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+CFLAGS="$OLD_CFLAGS"
 
 
 #
@@ -4877,13 +4886,12 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-				CFLAGS="$OLD_CFLAGS -Wno-pointer-sign"
+				PROD_WARN="$PROD_WARN -Wno-pointer-sign"
 
 else
 
 				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-				CFLAGS="$OLD_CFLAGS"
 
 
 fi
@@ -4893,11 +4901,11 @@ else
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-		CFLAGS="$OLD_CFLAGS"
 
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+CFLAGS="$OLD_CFLAGS"
 
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -Wno-switch" >&5
@@ -4909,18 +4917,19 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 int foo;
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+  	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		PROD_WARN="$PROD_WARN -Wno-switch"
+
 else
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-		CFLAGS="$OLD_CFLAGS"
 
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
+CFLAGS="$OLD_CFLAGS"
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fPIC" >&5
 $as_echo_n "checking whether $CC supports -fPIC... " >&6; }
@@ -4982,7 +4991,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 # setrlimit - used to set the socket limit
 #
 ac_fn_c_check_func "$LINENO" "setrlimit" "ac_cv_func_setrlimit"
-if test "x$ac_cv_func_setrlimit" = x""yes; then :
+if test "x$ac_cv_func_setrlimit" = xyes; then :
   CFLAGS="$CFLAGS -DHAVE_SETRLIMIT"
 fi
 
@@ -4992,7 +5001,7 @@ fi
 # strnlen - string length with upper scan bound
 #
 ac_fn_c_check_func "$LINENO" "strnlen" "ac_cv_func_strnlen"
-if test "x$ac_cv_func_strnlen" = x""yes; then :
+if test "x$ac_cv_func_strnlen" = xyes; then :
   CFLAGS="$CFLAGS -DHAVE_STRNLEN"
 fi
 
@@ -5001,7 +5010,7 @@ fi
 for ac_func in uselocale
 do :
   ac_fn_c_check_func "$LINENO" "uselocale" "ac_cv_func_uselocale"
-if test "x$ac_cv_func_uselocale" = x""yes; then :
+if test "x$ac_cv_func_uselocale" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_USELOCALE 1
 _ACEOF
@@ -5012,7 +5021,7 @@ done
 for ac_func in newlocale
 do :
   ac_fn_c_check_func "$LINENO" "newlocale" "ac_cv_func_newlocale"
-if test "x$ac_cv_func_newlocale" = x""yes; then :
+if test "x$ac_cv_func_newlocale" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_NEWLOCALE 1
 _ACEOF
@@ -5023,7 +5032,7 @@ done
 for ac_func in freelocale
 do :
   ac_fn_c_check_func "$LINENO" "freelocale" "ac_cv_func_freelocale"
-if test "x$ac_cv_func_freelocale" = x""yes; then :
+if test "x$ac_cv_func_freelocale" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_FREELOCALE 1
 _ACEOF
@@ -5034,7 +5043,7 @@ done
 for ac_header in xlocale.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "xlocale.h" "ac_cv_header_xlocale_h" "$ac_includes_default"
-if test "x$ac_cv_header_xlocale_h" = x""yes; then :
+if test "x$ac_cv_header_xlocale_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_XLOCALE_H 1
 _ACEOF
@@ -5057,7 +5066,7 @@ case $enable_manager in
 	"memwatch")
 		CFLAGS="$CFLAGS -DMEMWATCH"
 		ac_fn_c_check_header_mongrel "$LINENO" "memwatch.h" "ac_cv_header_memwatch_h" "$ac_includes_default"
-if test "x$ac_cv_header_memwatch_h" = x""yes; then :
+if test "x$ac_cv_header_memwatch_h" = xyes; then :
 
 else
   as_fn_error $? "memwatch header not found... stopping" "$LINENO" 5
@@ -5069,7 +5078,7 @@ fi
 		CFLAGS="$CFLAGS -DDMALLOC -DDMALLOC_FUNC_CHECK"
 		LIBS="$LIBS -ldmalloc"
 		ac_fn_c_check_header_mongrel "$LINENO" "dmalloc.h" "ac_cv_header_dmalloc_h" "$ac_includes_default"
-if test "x$ac_cv_header_dmalloc_h" = x""yes; then :
+if test "x$ac_cv_header_dmalloc_h" = xyes; then :
 
 else
   as_fn_error $? "dmalloc header not found... stopping" "$LINENO" 5
@@ -5081,7 +5090,7 @@ fi
 		CFLAGS="$CFLAGS -DGCOLLECT"
 		LIBS="$LIBS -lgc"
 		ac_fn_c_check_header_mongrel "$LINENO" "gc.h" "ac_cv_header_gc_h" "$ac_includes_default"
-if test "x$ac_cv_header_gc_h" = x""yes; then :
+if test "x$ac_cv_header_gc_h" = xyes; then :
 
 else
   as_fn_error $? "gcollect header not found... stopping" "$LINENO" 5
@@ -5109,10 +5118,10 @@ fi
 case $enable_debug in
 	"no")
 		# default value
-		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses"
+		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses $PROD_WARN"
 		;;
 	"yes")
-		CFLAGS="$CFLAGS -g -DDEBUG"
+		CFLAGS="$CFLAGS -g -DDEBUG -Wconversion"
 		;;
 	"gdb")
 		CFLAGS="$CFLAGS -ggdb -DDEBUG"
@@ -5167,7 +5176,7 @@ if test -n "${ZLIB_HOME}" ; then
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inflateEnd in -lz" >&5
 $as_echo_n "checking for inflateEnd in -lz... " >&6; }
-if test "${ac_cv_lib_z_inflateEnd+set}" = set; then :
+if ${ac_cv_lib_z_inflateEnd+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5201,7 +5210,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_inflateEnd" >&5
 $as_echo "$ac_cv_lib_z_inflateEnd" >&6; }
-if test "x$ac_cv_lib_z_inflateEnd" = x""yes; then :
+if test "x$ac_cv_lib_z_inflateEnd" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBZ 1
 _ACEOF
@@ -5213,7 +5222,7 @@ else
 fi
 
 ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_zlib_h" = x""yes; then :
+if test "x$ac_cv_header_zlib_h" = xyes; then :
 
 else
   as_fn_error $? "zlib header not found, please specify the correct path with --with-zlib=DIR... stopping" "$LINENO" 5
@@ -5227,7 +5236,7 @@ fi
 #
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sqrt" >&5
 $as_echo_n "checking for library containing sqrt... " >&6; }
-if test "${ac_cv_search_sqrt+set}" = set; then :
+if ${ac_cv_search_sqrt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5261,11 +5270,11 @@ for ac_lib in '' m; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_sqrt+set}" = set; then :
+  if ${ac_cv_search_sqrt+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_sqrt+set}" = set; then :
+if ${ac_cv_search_sqrt+:} false; then :
 
 else
   ac_cv_search_sqrt=no
@@ -5290,7 +5299,7 @@ fi
 #
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
 $as_echo_n "checking for library containing clock_gettime... " >&6; }
-if test "${ac_cv_search_clock_gettime+set}" = set; then :
+if ${ac_cv_search_clock_gettime+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5324,11 +5333,11 @@ for ac_lib in '' rt; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if test "${ac_cv_search_clock_gettime+set}" = set; then :
+  if ${ac_cv_search_clock_gettime+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_clock_gettime+set}" = set; then :
+if ${ac_cv_search_clock_gettime+:} false; then :
 
 else
   ac_cv_search_clock_gettime=no
@@ -5404,7 +5413,7 @@ fi
 #
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
 $as_echo_n "checking for pthread_create in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then :
+if ${ac_cv_lib_pthread_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5438,7 +5447,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_create" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5451,7 +5460,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_sigmask in -lpthread" >&5
 $as_echo_n "checking for pthread_sigmask in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_sigmask+set}" = set; then :
+if ${ac_cv_lib_pthread_pthread_sigmask+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5485,7 +5494,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_sigmask" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_sigmask" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_sigmask" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_sigmask" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5498,7 +5507,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_attr_init in -lpthread" >&5
 $as_echo_n "checking for pthread_attr_init in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_attr_init+set}" = set; then :
+if ${ac_cv_lib_pthread_pthread_attr_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5532,7 +5541,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_attr_init" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_attr_init" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_attr_init" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_attr_init" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5545,7 +5554,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_attr_setstacksize in -lpthread" >&5
 $as_echo_n "checking for pthread_attr_setstacksize in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_attr_setstacksize+set}" = set; then :
+if ${ac_cv_lib_pthread_pthread_attr_setstacksize+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5579,7 +5588,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_attr_setstacksize" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_attr_setstacksize" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_attr_setstacksize" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_attr_setstacksize" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5592,7 +5601,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_attr_destroy in -lpthread" >&5
 $as_echo_n "checking for pthread_attr_destroy in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_attr_destroy+set}" = set; then :
+if ${ac_cv_lib_pthread_pthread_attr_destroy+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5626,7 +5635,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_attr_destroy" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_attr_destroy" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_attr_destroy" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_attr_destroy" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5639,7 +5648,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_cancel in -lpthread" >&5
 $as_echo_n "checking for pthread_cancel in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_cancel+set}" = set; then :
+if ${ac_cv_lib_pthread_pthread_cancel+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5673,7 +5682,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_cancel" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_cancel" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_cancel" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_cancel" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5686,7 +5695,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join in -lpthread" >&5
 $as_echo_n "checking for pthread_join in -lpthread... " >&6; }
-if test "${ac_cv_lib_pthread_pthread_join+set}" = set; then :
+if ${ac_cv_lib_pthread_pthread_join+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5720,7 +5729,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_join" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_join" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_join" = x""yes; then :
+if test "x$ac_cv_lib_pthread_pthread_join" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5744,7 +5753,7 @@ if test -z "$MYSQL_CONFIG_HOME"; then
 set dummy mysql_config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_MYSQL_CONFIG_HOME+set}" = set; then :
+if ${ac_cv_path_MYSQL_CONFIG_HOME+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $MYSQL_CONFIG_HOME in
@@ -5799,7 +5808,7 @@ MYSQL_OLD_LDFLAGS="$LDFLAGS" ; LDFLAGS="$LDFLAGS $MYSQL_LIBS"
 MYSQL_OLD_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS="$CPPFLAGS $MYSQL_CFLAGS"
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mysql_init in -lmysqlclient" >&5
 $as_echo_n "checking for mysql_init in -lmysqlclient... " >&6; }
-if test "${ac_cv_lib_mysqlclient_mysql_init+set}" = set; then :
+if ${ac_cv_lib_mysqlclient_mysql_init+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5833,12 +5842,12 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mysqlclient_mysql_init" >&5
 $as_echo "$ac_cv_lib_mysqlclient_mysql_init" >&6; }
-if test "x$ac_cv_lib_mysqlclient_mysql_init" = x""yes; then :
+if test "x$ac_cv_lib_mysqlclient_mysql_init" = xyes; then :
   HAVE_MYSQL="yes"
 fi
 
 ac_fn_c_check_header_mongrel "$LINENO" "mysql.h" "ac_cv_header_mysql_h" "$ac_includes_default"
-if test "x$ac_cv_header_mysql_h" = x""yes; then :
+if test "x$ac_cv_header_mysql_h" = xyes; then :
 
 else
   HAVE_MYSQL=""
@@ -5879,7 +5888,7 @@ else
 	if test -z "$PCRE_HOME" ; then
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcre_study in -lpcre" >&5
 $as_echo_n "checking for pcre_study in -lpcre... " >&6; }
-if test "${ac_cv_lib_pcre_pcre_study+set}" = set; then :
+if ${ac_cv_lib_pcre_pcre_study+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5913,7 +5922,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcre_pcre_study" >&5
 $as_echo "$ac_cv_lib_pcre_pcre_study" >&6; }
-if test "x$ac_cv_lib_pcre_pcre_study" = x""yes; then :
+if test "x$ac_cv_lib_pcre_pcre_study" = xyes; then :
   HAVE_PCRE="yes"
 fi
 
@@ -5925,7 +5934,7 @@ fi
 		PCRE_OLD_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS="$CPPFLAGS -I$PCRE_HOME/include"
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcre_compile in -lpcre" >&5
 $as_echo_n "checking for pcre_compile in -lpcre... " >&6; }
-if test "${ac_cv_lib_pcre_pcre_compile+set}" = set; then :
+if ${ac_cv_lib_pcre_pcre_compile+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5959,7 +5968,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcre_pcre_compile" >&5
 $as_echo "$ac_cv_lib_pcre_pcre_compile" >&6; }
-if test "x$ac_cv_lib_pcre_pcre_compile" = x""yes; then :
+if test "x$ac_cv_lib_pcre_pcre_compile" = xyes; then :
   HAVE_PCRE="yes"
 fi
 
@@ -6038,8 +6047,10 @@ else
 $as_echo "no" >&6; }
 fi
 
-
-
+{ $as_echo "$as_me:${as_lineno-$LINENO}: PROD_WARN= $PROD_WARN" >&5
+$as_echo "$as_me: PROD_WARN= $PROD_WARN" >&6;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: Configure finish, CFLAG= $CFLAGS" >&5
+$as_echo "$as_me: Configure finish, CFLAG= $CFLAGS" >&6;}
 ###############################################################################
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
@@ -6105,10 +6116,21 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
+    if test "x$cache_file" != "x/dev/null"; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -6177,7 +6199,7 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -6278,6 +6300,7 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
+as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6585,7 +6608,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.67.  Invocation command line was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -6638,7 +6661,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.67,
+configured by $0, generated by GNU Autoconf 2.68,
   with options \\"\$ac_cs_config\\"
 
 Copyright (C) 2010 Free Software Foundation, Inc.
@@ -6757,7 +6780,7 @@ do
     "src/tool/Makefile") CONFIG_FILES="$CONFIG_FILES src/tool/Makefile" ;;
     "src/test/Makefile") CONFIG_FILES="$CONFIG_FILES src/test/Makefile" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5 ;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -6778,9 +6801,10 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -6788,12 +6812,13 @@ $debug ||
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
 } || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -6815,7 +6840,7 @@ else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -6843,7 +6868,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -6891,7 +6916,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -6923,7 +6948,7 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
   || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
@@ -6963,7 +6988,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5 ;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -6982,7 +7007,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -6991,7 +7016,7 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5 ;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -7017,8 +7042,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5  ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -7143,21 +7168,22 @@ s&@abs_builddir@&$ac_abs_builddir&;t t
 s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
   esac \
   || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
diff --git a/configure.in b/configure.in
index 5444be663..055b04e37 100644
--- a/configure.in
+++ b/configure.in
@@ -331,7 +331,7 @@ AC_PATH_PROG(AR, ar)
 AC_LANG([C])
 
 
-CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wno-sign-compare"
+CFLAGS="$CFLAGS -pipe -ffast-math -Wall"
 CPPFLAGS="$CPPFLAGS -I../common"
 
 
@@ -420,12 +420,13 @@ OLD_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -Wno-unused-parameter"
 AC_COMPILE_IFELSE(
 	[int foo;],
-	[AC_MSG_RESULT([yes])],
+	[AC_MSG_RESULT([no])],
 	[
-		AC_MSG_RESULT([no])
-		CFLAGS="$OLD_CFLAGS"
+		AC_MSG_RESULT([yes])
+		PROD_WARN="$PROD_WARN -Wno-unused-parameter"
 	]
 )
+CFLAGS="$OLD_CFLAGS"
 
 
 #
@@ -477,19 +478,18 @@ AC_COMPILE_IFELSE(
 			[int foo;],
 			[
 				AC_MSG_RESULT([yes])
-				CFLAGS="$OLD_CFLAGS -Wno-pointer-sign"
+				PROD_WARN="$PROD_WARN -Wno-pointer-sign"
 			],
 			[
 				AC_MSG_RESULT([no])
-				CFLAGS="$OLD_CFLAGS"
 			]
 		)
 	],
 	[
-		AC_MSG_RESULT([no])
-		CFLAGS="$OLD_CFLAGS"
+		AC_MSG_RESULT([no])		
 	]
 )
+CFLAGS="$OLD_CFLAGS"
 
 
 AC_MSG_CHECKING([whether $CC supports -Wno-switch])
@@ -497,13 +497,14 @@ OLD_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -Wno-switch"
 AC_COMPILE_IFELSE(
 	[int foo;],
-	[AC_MSG_RESULT([yes])],
+	[	AC_MSG_RESULT([yes])
+		PROD_WARN="$PROD_WARN -Wno-switch"
+	],
 	[
 		AC_MSG_RESULT([no])
-		CFLAGS="$OLD_CFLAGS"
 	]
 )
-
+CFLAGS="$OLD_CFLAGS"
 
 AC_MSG_CHECKING([whether $CC supports -fPIC])
 OLD_CFLAGS="$CFLAGS"
@@ -604,10 +605,10 @@ fi
 case $enable_debug in
 	"no")
 		# default value
-		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses"
+		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses $PROD_WARN"
 		;;
 	"yes")
-		CFLAGS="$CFLAGS -g -DDEBUG"
+		CFLAGS="$CFLAGS -g -DDEBUG -Wconversion"
 		;;
 	"gdb")
 		CFLAGS="$CFLAGS -ggdb -DDEBUG"
@@ -854,7 +855,7 @@ else
 	AC_MSG_RESULT([no])
 fi
 
-
-
+AC_MSG_NOTICE([PROD_WARN= $PROD_WARN])
+AC_MSG_NOTICE([Configure finish, CFLAG= $CFLAGS])
 ###############################################################################
 AC_OUTPUT