Add a check of libncursesw for support multibyte character in main-gcu

diff --git a/configure.ac b/configure.ac
index f1d3a29..07c8fba 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -56,11 +56,14 @@ fi
 
 dnl Checks for libraries.
 dnl Replace `main' with a function in -lncurses:
-AC_CHECK_LIB(ncurses, initscr, [AC_DEFINE(USE_GCU, 1, [Allow -mGCU environment]) AC_DEFINE(USE_NCURSES, 1, [Use ncurses]) LIBS="$LIBS -lncurses"])
-if test "$ac_cv_lib_ncurses_initscr" != yes; then
-  AC_CHECK_LIB(curses, initscr, [AC_DEFINE(USE_GCU, 1, [Allow -mGCU environment]) LIBS="$LIBS -lcurses"])
-  if test "$ac_cv_lib_curses_initscr" != yes; then
-    AC_CHECK_LIB(termcap, tgetent, [AC_DEFINE(USE_CAP, 1, [Allow -mCAP environment]) LIBS="$LIBS -ltermcap"])
+AC_CHECK_LIB(ncursesw, initscr, [AC_DEFINE(USE_GCU, 1, [Allow -mGCU environment]) AC_DEFINE(USE_NCURSES, 1, [Use ncurses]) LIBS="$LIBS -lncursesw"])
+if test "$ac_cv_lib_ncursesw_initscr" != yes; then
+  AC_CHECK_LIB(ncurses, initscr, [AC_DEFINE(USE_GCU, 1, [Allow -mGCU environment]) AC_DEFINE(USE_NCURSES, 1, [Use ncurses]) LIBS="$LIBS -lncurses"])
+  if test "$ac_cv_lib_ncurses_initscr" != yes; then
+    AC_CHECK_LIB(curses, initscr, [AC_DEFINE(USE_GCU, 1, [Allow -mGCU environment]) LIBS="$LIBS -lcurses"])
+    if test "$ac_cv_lib_curses_initscr" != yes; then
+      AC_CHECK_LIB(termcap, tgetent, [AC_DEFINE(USE_CAP, 1, [Allow -mCAP environment]) LIBS="$LIBS -ltermcap"])
+    fi
   fi
 fi