Reverting SVN r17061

Making --enable-debug useful once again. in r17061 lighta made --enable-debug enforce -wconversion, -Wno-switch, and other options (instead of making them optional) and by doing that lighta cluttered --enable-debug output making it incredibly hard to find important errors

Signed-off-by: shennetsind <ind@henn.et>

2 files changed, 160 insertions, 187 deletions

diff --git a/configure b/configure
index 20acd0458..3c0eaaf41 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
-# From configure.in Revision: 17060 .
+# From configure.in Revision: 16226 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.68.
+# Generated by GNU Autoconf 2.67.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -90,7 +90,6 @@ 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=$PATH_SEPARATOR
@@ -216,18 +215,11 @@ IFS=$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
-	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" ${1+"$@"}
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -1093,7 +1085,7 @@ 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
@@ -1414,7 +1406,7 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.68
+generated by GNU Autoconf 2.67
 
 Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
@@ -1460,7 +1452,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1497,7 +1489,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -1510,10 +1502,10 @@ fi
 ac_fn_c_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval \${$3+:} false; then :
+  if eval "test \"\${$3+set}\"" = set; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1576,7 +1568,7 @@ $as_echo "$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 \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -1585,7 +1577,7 @@ 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; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_header_mongrel
 
@@ -1626,7 +1618,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -1640,7 +1632,7 @@ 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 \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1658,7 +1650,7 @@ 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; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_header_compile
 
@@ -1703,7 +1695,7 @@ 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; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
@@ -1716,7 +1708,7 @@ 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 \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1771,7 +1763,7 @@ 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; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_func
 cat >config.log <<_ACEOF
@@ -1779,7 +1771,7 @@ 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 2.68.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   $ $0 $@
 
@@ -2037,7 +2029,7 @@ $as_echo "$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
 
@@ -2150,7 +2142,7 @@ 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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2190,7 +2182,7 @@ 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 ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2243,7 +2235,7 @@ 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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2283,7 +2275,7 @@ 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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2342,7 +2334,7 @@ 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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2386,7 +2378,7 @@ 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 ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2441,7 +2433,7 @@ 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
@@ -2556,7 +2548,7 @@ 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; }
@@ -2599,7 +2591,7 @@ 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
@@ -2658,7 +2650,7 @@ $as_echo "$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" "$LINENO" 5 ; }
     fi
   fi
 fi
@@ -2669,7 +2661,7 @@ rm -f conftest.$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 ${ac_cv_objext+:} false; then :
+if test "${ac_cv_objext+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2710,7 +2702,7 @@ 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.$ac_ext
 fi
@@ -2720,7 +2712,7 @@ OBJEXT=$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 ${ac_cv_c_compiler_gnu+:} false; then :
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2757,7 +2749,7 @@ 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 ${ac_cv_prog_cc_g+:} false; then :
+if test "${ac_cv_prog_cc_g+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -2835,7 +2827,7 @@ 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 ${ac_cv_prog_cc_c89+:} false; then :
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -2943,7 +2935,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
+  if test "${ac_cv_prog_CPP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -3059,7 +3051,7 @@ 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
@@ -3071,7 +3063,7 @@ 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 ${ac_cv_path_GREP+:} false; then :
+if test "${ac_cv_path_GREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -3134,7 +3126,7 @@ $as_echo "$ac_cv_path_GREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
+if test "${ac_cv_path_EGREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -3201,7 +3193,7 @@ $as_echo "$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 ${ac_cv_header_stdc+:} false; then :
+if test "${ac_cv_header_stdc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3330,7 +3322,7 @@ done
 
 
   ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default"
-if test "x$ac_cv_header_minix_config_h" = xyes; then :
+if test "x$ac_cv_header_minix_config_h" = x""yes; then :
   MINIX=yes
 else
   MINIX=
@@ -3352,7 +3344,7 @@ $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 ${ac_cv_safe_to_define___extensions__+:} false; then :
+if test "${ac_cv_safe_to_define___extensions__+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3405,7 +3397,7 @@ 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
@@ -3439,7 +3431,7 @@ 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
@@ -3458,7 +3450,7 @@ 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
@@ -3491,7 +3483,7 @@ 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
@@ -3511,7 +3503,7 @@ 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
@@ -3531,7 +3523,7 @@ 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
@@ -3679,7 +3671,7 @@ fi
 $as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
 set x ${MAKE-make}
 ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
-if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
+if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat >conftest.make <<\_ACEOF
@@ -3716,7 +3708,7 @@ if test -n "$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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3756,7 +3748,7 @@ 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 ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -3809,7 +3801,7 @@ 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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3849,7 +3841,7 @@ 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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3908,7 +3900,7 @@ 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 ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -3952,7 +3944,7 @@ 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 ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -4007,7 +3999,7 @@ 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
@@ -4036,7 +4028,7 @@ 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 ${ac_cv_c_compiler_gnu+:} false; then :
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -4073,7 +4065,7 @@ 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 ${ac_cv_prog_cc_g+:} false; then :
+if test "${ac_cv_prog_cc_g+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -4151,7 +4143,7 @@ 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 ${ac_cv_prog_cc_c89+:} false; then :
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -4258,7 +4250,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
+  if test "${ac_cv_prog_CPP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -4374,7 +4366,7 @@ 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
@@ -4387,7 +4379,7 @@ 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 ${ac_cv_path_AR+:} false; then :
+if test "${ac_cv_path_AR+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $AR in
@@ -4431,13 +4423,13 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-CFLAGS="$CFLAGS -pipe -ffast-math -Wall"
+CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wno-sign-compare"
 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 ${ac_cv_c_bigendian+:} false; then :
+if test "${ac_cv_c_bigendian+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_bigendian=unknown
@@ -4645,7 +4637,7 @@ 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)
@@ -4757,7 +4749,7 @@ 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.  */
@@ -4798,18 +4790,17 @@ 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: no" >&5
-$as_echo "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 else
 
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-		PROD_WARN="$PROD_WARN -Wno-unused-parameter"
+		{ $as_echo "$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"
 
 
 #
@@ -4886,12 +4877,13 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-				PROD_WARN="$PROD_WARN -Wno-pointer-sign"
+				CFLAGS="$OLD_CFLAGS -Wno-pointer-sign"
 
 else
 
 				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
+				CFLAGS="$OLD_CFLAGS"
 
 
 fi
@@ -4901,11 +4893,11 @@ 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 $CC supports -Wno-switch" >&5
@@ -4917,19 +4909,18 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 int foo;
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
-  	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+  { $as_echo "$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 $CC supports -fPIC... " >&6; }
@@ -4991,7 +4982,7 @@ rm -f core conftest.err conftest.$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$ac_cv_func_setrlimit" = xyes; then :
+if test "x$ac_cv_func_setrlimit" = x""yes; then :
   CFLAGS="$CFLAGS -DHAVE_SETRLIMIT"
 fi
 
@@ -5001,7 +4992,7 @@ 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" = xyes; then :
+if test "x$ac_cv_func_strnlen" = x""yes; then :
   CFLAGS="$CFLAGS -DHAVE_STRNLEN"
 fi
 
@@ -5010,7 +5001,7 @@ 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" = xyes; then :
+if test "x$ac_cv_func_uselocale" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_USELOCALE 1
 _ACEOF
@@ -5021,7 +5012,7 @@ done
 for ac_func in newlocale
 do :
   ac_fn_c_check_func "$LINENO" "newlocale" "ac_cv_func_newlocale"
-if test "x$ac_cv_func_newlocale" = xyes; then :
+if test "x$ac_cv_func_newlocale" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_NEWLOCALE 1
 _ACEOF
@@ -5032,7 +5023,7 @@ 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" = xyes; then :
+if test "x$ac_cv_func_freelocale" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_FREELOCALE 1
 _ACEOF
@@ -5043,7 +5034,7 @@ done
 for ac_header in xlocale.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "xlocale.h" "ac_cv_header_xlocale_h" "$ac_includes_default"
-if test "x$ac_cv_header_xlocale_h" = xyes; then :
+if test "x$ac_cv_header_xlocale_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_XLOCALE_H 1
 _ACEOF
@@ -5066,7 +5057,7 @@ 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$ac_cv_header_memwatch_h" = xyes; then :
+if test "x$ac_cv_header_memwatch_h" = x""yes; then :
 
 else
   as_fn_error $? "memwatch header not found... stopping" "$LINENO" 5
@@ -5078,7 +5069,7 @@ 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$ac_cv_header_dmalloc_h" = xyes; then :
+if test "x$ac_cv_header_dmalloc_h" = x""yes; then :
 
 else
   as_fn_error $? "dmalloc header not found... stopping" "$LINENO" 5
@@ -5090,7 +5081,7 @@ 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$ac_cv_header_gc_h" = xyes; then :
+if test "x$ac_cv_header_gc_h" = x""yes; then :
 
 else
   as_fn_error $? "gcollect header not found... stopping" "$LINENO" 5
@@ -5118,10 +5109,10 @@ fi
 case $enable_debug in
 	"no")
 		# default value
-		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses $PROD_WARN"
+		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses"
 		;;
 	"yes")
-		CFLAGS="$CFLAGS -g -DDEBUG -Wconversion"
+		CFLAGS="$CFLAGS -g -DDEBUG"
 		;;
 	"gdb")
 		CFLAGS="$CFLAGS -ggdb -DDEBUG"
@@ -5176,7 +5167,7 @@ if test -n "${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 ${ac_cv_lib_z_inflateEnd+:} false; then :
+if test "${ac_cv_lib_z_inflateEnd+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5210,7 +5201,7 @@ 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$ac_cv_lib_z_inflateEnd" = xyes; then :
+if test "x$ac_cv_lib_z_inflateEnd" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBZ 1
 _ACEOF
@@ -5222,7 +5213,7 @@ else
 fi
 
 ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_zlib_h" = xyes; then :
+if test "x$ac_cv_header_zlib_h" = x""yes; then :
 
 else
   as_fn_error $? "zlib header not found, please specify the correct path with --with-zlib=DIR... stopping" "$LINENO" 5
@@ -5236,7 +5227,7 @@ fi
 #
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sqrt" >&5
 $as_echo_n "checking for library containing sqrt... " >&6; }
-if ${ac_cv_search_sqrt+:} false; then :
+if test "${ac_cv_search_sqrt+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5270,11 +5261,11 @@ for ac_lib in '' m; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_sqrt+:} false; then :
+  if test "${ac_cv_search_sqrt+set}" = set; then :
   break
 fi
 done
-if ${ac_cv_search_sqrt+:} false; then :
+if test "${ac_cv_search_sqrt+set}" = set; then :
 
 else
   ac_cv_search_sqrt=no
@@ -5299,7 +5290,7 @@ 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 ${ac_cv_search_clock_gettime+:} false; then :
+if test "${ac_cv_search_clock_gettime+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
@@ -5333,11 +5324,11 @@ for ac_lib in '' rt; do
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext
-  if ${ac_cv_search_clock_gettime+:} false; then :
+  if test "${ac_cv_search_clock_gettime+set}" = set; then :
   break
 fi
 done
-if ${ac_cv_search_clock_gettime+:} false; then :
+if test "${ac_cv_search_clock_gettime+set}" = set; then :
 
 else
   ac_cv_search_clock_gettime=no
@@ -5413,7 +5404,7 @@ 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 ${ac_cv_lib_pthread_pthread_create+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5447,7 +5438,7 @@ 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$ac_cv_lib_pthread_pthread_create" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5460,7 +5451,7 @@ 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 ${ac_cv_lib_pthread_pthread_sigmask+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_sigmask+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5494,7 +5485,7 @@ 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$ac_cv_lib_pthread_pthread_sigmask" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_sigmask" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5507,7 +5498,7 @@ 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 ${ac_cv_lib_pthread_pthread_attr_init+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_attr_init+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5541,7 +5532,7 @@ 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$ac_cv_lib_pthread_pthread_attr_init" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_attr_init" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5554,7 +5545,7 @@ 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 ${ac_cv_lib_pthread_pthread_attr_setstacksize+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_attr_setstacksize+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5588,7 +5579,7 @@ 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$ac_cv_lib_pthread_pthread_attr_setstacksize" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_attr_setstacksize" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5601,7 +5592,7 @@ 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 ${ac_cv_lib_pthread_pthread_attr_destroy+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_attr_destroy+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5635,7 +5626,7 @@ 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$ac_cv_lib_pthread_pthread_attr_destroy" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_attr_destroy" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5648,7 +5639,7 @@ 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 ${ac_cv_lib_pthread_pthread_cancel+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_cancel+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5682,7 +5673,7 @@ 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$ac_cv_lib_pthread_pthread_cancel" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_cancel" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5695,7 +5686,7 @@ 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 ${ac_cv_lib_pthread_pthread_join+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_join+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5729,7 +5720,7 @@ 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$ac_cv_lib_pthread_pthread_join" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_join" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5753,7 +5744,7 @@ 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 ${ac_cv_path_MYSQL_CONFIG_HOME+:} false; then :
+if test "${ac_cv_path_MYSQL_CONFIG_HOME+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $MYSQL_CONFIG_HOME in
@@ -5808,7 +5799,7 @@ MYSQL_OLD_LDFLAGS="$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 ${ac_cv_lib_mysqlclient_mysql_init+:} false; then :
+if test "${ac_cv_lib_mysqlclient_mysql_init+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5842,12 +5833,12 @@ 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$ac_cv_lib_mysqlclient_mysql_init" = xyes; then :
+if test "x$ac_cv_lib_mysqlclient_mysql_init" = x""yes; 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$ac_cv_header_mysql_h" = xyes; then :
+if test "x$ac_cv_header_mysql_h" = x""yes; then :
 
 else
   HAVE_MYSQL=""
@@ -5888,7 +5879,7 @@ 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 ${ac_cv_lib_pcre_pcre_study+:} false; then :
+if test "${ac_cv_lib_pcre_pcre_study+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5922,7 +5913,7 @@ 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$ac_cv_lib_pcre_pcre_study" = xyes; then :
+if test "x$ac_cv_lib_pcre_pcre_study" = x""yes; then :
   HAVE_PCRE="yes"
 fi
 
@@ -5934,7 +5925,7 @@ 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 ${ac_cv_lib_pcre_pcre_compile+:} false; then :
+if test "${ac_cv_lib_pcre_pcre_compile+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5968,7 +5959,7 @@ 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$ac_cv_lib_pcre_pcre_compile" = xyes; then :
+if test "x$ac_cv_lib_pcre_pcre_compile" = x""yes; then :
   HAVE_PCRE="yes"
 fi
 
@@ -6047,10 +6038,8 @@ 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
@@ -6116,21 +6105,10 @@ $as_echo "$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 "$cache_file"; then
-    if test "x$cache_file" != "x/dev/null"; then
+    test "x$cache_file" != "x/dev/null" &&
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-      if test ! -f "$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
+    cat confcache >$cache_file
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -6199,7 +6177,7 @@ LTLIBOBJS=$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"
@@ -6300,7 +6278,6 @@ 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=$PATH_SEPARATOR
@@ -6608,7 +6585,7 @@ cat >>$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 2.68.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -6661,7 +6638,7 @@ cat >>$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 2.68,
+configured by $0, generated by GNU Autoconf 2.67,
   with options \\"\$ac_cs_config\\"
 
 Copyright (C) 2010 Free Software Foundation, Inc.
@@ -6780,7 +6757,7 @@ 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
 
@@ -6801,10 +6778,9 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp= ac_tmp=
+  tmp=
   trap 'exit_status=$?
-  : "${ac_tmp:=$tmp}"
-  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -6812,13 +6788,12 @@ $debug ||
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -d "$tmp"
+  test -n "$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.
@@ -6840,7 +6815,7 @@ else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -6868,7 +6843,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -6916,7 +6891,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -6948,7 +6923,7 @@ 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 < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
   || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
@@ -6988,7 +6963,7 @@ 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
@@ -7007,7 +6982,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$ac_tmp/stdin";;
+      -) ac_f="$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 $ac_f cannot contain `:'.
@@ -7016,7 +6991,7 @@ do
 	   [\\/$]*) 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'"
@@ -7042,8 +7017,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5  ;;
     esac
     ;;
   esac
@@ -7168,22 +7143,21 @@ 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" | $AWK -f "$ac_tmp/subs.awk" \
-  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+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
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { 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"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$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 "$ac_tmp/stdin"
+  rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
-  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
   esac \
   || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
diff --git a/configure.in b/configure.in
index 055b04e37..5444be663 100644
--- a/configure.in
+++ b/configure.in
@@ -331,7 +331,7 @@ AC_PATH_PROG(AR, ar)
 AC_LANG([C])
 
 
-CFLAGS="$CFLAGS -pipe -ffast-math -Wall"
+CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wno-sign-compare"
 CPPFLAGS="$CPPFLAGS -I../common"
 
 
@@ -420,13 +420,12 @@ OLD_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -Wno-unused-parameter"
 AC_COMPILE_IFELSE(
 	[int foo;],
-	[AC_MSG_RESULT([no])],
+	[AC_MSG_RESULT([yes])],
 	[
-		AC_MSG_RESULT([yes])
-		PROD_WARN="$PROD_WARN -Wno-unused-parameter"
+		AC_MSG_RESULT([no])
+		CFLAGS="$OLD_CFLAGS"
 	]
 )
-CFLAGS="$OLD_CFLAGS"
 
 
 #
@@ -478,18 +477,19 @@ AC_COMPILE_IFELSE(
 			[int foo;],
 			[
 				AC_MSG_RESULT([yes])
-				PROD_WARN="$PROD_WARN -Wno-pointer-sign"
+				CFLAGS="$OLD_CFLAGS -Wno-pointer-sign"
 			],
 			[
 				AC_MSG_RESULT([no])
+				CFLAGS="$OLD_CFLAGS"
 			]
 		)
 	],
 	[
-		AC_MSG_RESULT([no])		
+		AC_MSG_RESULT([no])
+		CFLAGS="$OLD_CFLAGS"
 	]
 )
-CFLAGS="$OLD_CFLAGS"
 
 
 AC_MSG_CHECKING([whether $CC supports -Wno-switch])
@@ -497,14 +497,13 @@ OLD_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -Wno-switch"
 AC_COMPILE_IFELSE(
 	[int foo;],
-	[	AC_MSG_RESULT([yes])
-		PROD_WARN="$PROD_WARN -Wno-switch"
-	],
+	[AC_MSG_RESULT([yes])],
 	[
 		AC_MSG_RESULT([no])
+		CFLAGS="$OLD_CFLAGS"
 	]
 )
-CFLAGS="$OLD_CFLAGS"
+
 
 AC_MSG_CHECKING([whether $CC supports -fPIC])
 OLD_CFLAGS="$CFLAGS"
@@ -605,10 +604,10 @@ fi
 case $enable_debug in
 	"no")
 		# default value
-		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses $PROD_WARN"
+		CFLAGS="$CFLAGS -Wno-unused -Wno-parentheses"
 		;;
 	"yes")
-		CFLAGS="$CFLAGS -g -DDEBUG -Wconversion"
+		CFLAGS="$CFLAGS -g -DDEBUG"
 		;;
 	"gdb")
 		CFLAGS="$CFLAGS -ggdb -DDEBUG"
@@ -855,7 +854,7 @@ else
 	AC_MSG_RESULT([no])
 fi
 
-AC_MSG_NOTICE([PROD_WARN= $PROD_WARN])
-AC_MSG_NOTICE([Configure finish, CFLAG= $CFLAGS])
+
+
 ###############################################################################
 AC_OUTPUT