Fix link flag check for static C++ libraries

Author: auriocus

configure.ac

@@ -29,6 +29,8 @@ AC_INIT([sample],[0.5])
 
 TEA_INIT()
 
+TEA_INIT_CXX
+
 AC_CONFIG_AUX_DIR(tclconfig)
 
 #--------------------------------------------------------------------

tclconfig/tcl.m4

@@ -3093,8 +3093,8 @@ AS_VAR_POPDEF([CACHEVAR])dnl
 ])dnl AX_CHECK_LINK_FLAGS
 
 # use AX_CHECK_LINK_FLAG to add a linker flag if it is available
-AC_DEFUN([AX_ADDTO_LINK_FLAG],
-[AX_CHECK_LINK_FLAGS([$1], [LDFLAGS="$LDFLAGS $1"], [])
+AC_DEFUN([AX_ADDTO_LINK_FLAGS],
+[AX_CHECK_LINK_FLAG([$1], [LDFLAGS="$LDFLAGS $1"], [])
 ])
 
 #------------------------------------------------------------------------