diff --git a/client/Makefile.am b/client/Makefile.am
index 98f9dd019b5..4d089b4b5b4 100644
--- a/client/Makefile.am
+++ b/client/Makefile.am
@@ -21,14 +21,21 @@ if HAVE_YASSL
 else
   yassl_dummy_link_fix=
 endif
+
+if THREAD_SAFE_CLIENT
+LIBMYSQLCLIENT_LA =		$(top_builddir)/libmysql_r/libmysqlclient_r.la
+else
+LIBMYSQLCLIENT_LA =		$(top_builddir)/libmysql/libmysqlclient.la
+endif
+
 #AUTOMAKE_OPTIONS =              nostdinc
 INCLUDES =			-I$(top_builddir)/include \
 				-I$(top_srcdir)/include \
 				-I$(top_srcdir)/regex \
-                                $(openssl_includes) $(yassl_includes) 
+				$(openssl_includes) $(yassl_includes) 
 LIBS =				@CLIENT_LIBS@
 LDADD=				@CLIENT_EXTRA_LDFLAGS@ $(CLIENT_THREAD_LIBS) \
-                                $(top_builddir)/libmysql/libmysqlclient.la
+				$(top_builddir)/libmysql/libmysqlclient.la
 bin_PROGRAMS =			mysql mysqladmin mysqlcheck mysqlshow \
 				mysqldump mysqlimport mysqltest mysqlbinlog \
 				mysqltestmanagerc mysqltestmanager-pwgen \
@@ -38,8 +45,8 @@ noinst_HEADERS =		sql_string.h completion_hash.h my_readline.h \
 mysql_SOURCES =			mysql.cc readline.cc sql_string.cc completion_hash.cc
 mysqladmin_SOURCES =		mysqladmin.cc
 mysql_LDADD =			@readline_link@ @TERMCAP_LIB@ $(LDADD) $(CXXLDFLAGS)
-mysqltest_SOURCES=              mysqltest.c $(top_srcdir)/mysys/my_getsystime.c \
-                                $(yassl_dummy_link_fix)
+mysqltest_SOURCES=		mysqltest.c $(top_srcdir)/mysys/my_getsystime.c \
+				$(yassl_dummy_link_fix)
 mysqltest_LDADD =		$(top_builddir)/regex/libregex.a $(LDADD)
 mysqlbinlog_SOURCES =		mysqlbinlog.cc $(top_srcdir)/mysys/mf_tempdir.c \
 				$(top_srcdir)/mysys/my_new.cc \
@@ -50,20 +57,20 @@ mysqlbinlog_SOURCES =		mysqlbinlog.cc $(top_srcdir)/mysys/mf_tempdir.c \
 mysqlbinlog_LDADD =		$(LDADD) $(CXXLDFLAGS)
 mysqlslap_LDADD =		$(CXXLDFLAGS) $(CLIENT_THREAD_LIBS) \
 				@CLIENT_EXTRA_LDFLAGS@ \
-                                $(top_builddir)/libmysql_r/libmysqlclient_r.la \
+				$(LIBMYSQLCLIENT_LA) \
 				$(top_builddir)/mysys/libmysys.a 
 mysqlimport_LDADD =		$(CXXLDFLAGS) $(CLIENT_THREAD_LIBS) \
 				@CLIENT_EXTRA_LDFLAGS@ \
-                                $(top_builddir)/libmysql_r/libmysqlclient_r.la \
+				$(LIBMYSQLCLIENT_LA) \
 				$(top_builddir)/mysys/libmysys.a 
-mysqltestmanager_pwgen_SOURCES =   mysqlmanager-pwgen.c 
-mysqltestmanagerc_SOURCES=      mysqlmanagerc.c $(yassl_dummy_link_fix)
-mysqlcheck_SOURCES=             mysqlcheck.c $(yassl_dummy_link_fix)
-mysqlshow_SOURCES=              mysqlshow.c $(yassl_dummy_link_fix)
-mysqlslap_SOURCES=              mysqlslap.c \
+mysqltestmanager_pwgen_SOURCES = mysqlmanager-pwgen.c 
+mysqltestmanagerc_SOURCES=	mysqlmanagerc.c $(yassl_dummy_link_fix)
+mysqlcheck_SOURCES=		 mysqlcheck.c $(yassl_dummy_link_fix)
+mysqlshow_SOURCES=		mysqlshow.c $(yassl_dummy_link_fix)
+mysqlslap_SOURCES=		mysqlslap.c \
 				$(yassl_dummy_link_fix)
-mysqldump_SOURCES=              mysqldump.c my_user.c $(yassl_dummy_link_fix)
-mysqlimport_SOURCES=            mysqlimport.c \
+mysqldump_SOURCES=		mysqldump.c my_user.c $(yassl_dummy_link_fix)
+mysqlimport_SOURCES=		mysqlimport.c \
 				$(yassl_dummy_link_fix)
 sql_src=log_event.h mysql_priv.h log_event.cc my_decimal.h my_decimal.cc
 strings_src=decimal.c
diff --git a/configure.in b/configure.in
index 2d914d8f90c..49b94f1e1e3 100644
--- a/configure.in
+++ b/configure.in
@@ -589,10 +589,10 @@ AC_ARG_WITH(named-curses-libs,
 
 # Make thread safe client
 AC_ARG_ENABLE(thread-safe-client,
-    [  --enable-thread-safe-client   
-                          Compile the client with threads.],
+    [  --disable-thread-safe-client   
+                          Compile the client without threads.],
     [ THREAD_SAFE_CLIENT=$enableval ],
-    [ THREAD_SAFE_CLIENT=no ]
+    [ THREAD_SAFE_CLIENT=yes ]
     )
 
 # compile with strings functions in assembler
@@ -1564,7 +1564,8 @@ then
 fi
 
 AC_ARG_WITH(debug,
-    [  --without-debug         Build a production version without debugging code],
+    [  --with-debug            Add debug code
+  --with-debug=full       Add debug code (adds memory checker, very slow)],
     [with_debug=$withval],
     [with_debug=no])
 if test "$with_debug" = "yes"
@@ -2472,6 +2473,8 @@ dnl client is just using plain-old libs.
 sql_client_dirs="strings regex mysys libmysql client"
 linked_client_targets="linked_libmysql_sources"
 
+AM_CONDITIONAL(THREAD_SAFE_CLIENT, test "$THREAD_SAFE_CLIENT" != "no")
+
 if test "$THREAD_SAFE_CLIENT" != "no"
 then
   sql_client_dirs="libmysql_r $sql_client_dirs"