readline: build with ncurses.

to avoid possible symbol lookup error, like "libreadline.so.6: undefined symbol: UP".

component/readline/buildout.cfg

 [buildout]
+extends =
+  ../ncurses/buildout.cfg
+
 parts =
   readline5
   readline
@@ -40,6 +43,10 @@ patches =
   http://ftp.gnu.org/gnu/readline/readline-6.3-patches/readline63-006#71dc6ecce66d1489b96595f55d142a52
   http://ftp.gnu.org/gnu/readline/readline-6.3-patches/readline63-007#062a08ed60679d3c4878710b3d595b65
   http://ftp.gnu.org/gnu/readline/readline-6.3-patches/readline63-008#ee1c04072154826870848d8b218d7b04
+  ${:_profile_base_location_}/configure-ncurses.diff#c2bf0d0cb0ccd3d3c078ba124fffb7d2
 configure-options =
   --enable-multibyte
   --disable-static
+environment =
+  CPPFLAGS=-I${ncurses:location}/include/ncurses
+  LDFLAGS=-L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib

component/readline/configure-ncurses.diff

+diff -ur ../readline-6.3.orig/aclocal.m4 ./aclocal.m4
+--- ../readline-6.3.orig/aclocal.m4	2013-10-21 00:37:50.000000000 +0200
++++ ./aclocal.m4	2015-05-21 11:04:20.243591527 +0200
+@@ -958,10 +958,10 @@
+ fi
+ AC_CACHE_VAL(bash_cv_termcap_lib,
+ [AC_CHECK_FUNC(tgetent, bash_cv_termcap_lib=libc,
+-  [AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap,
+-    [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo,
++  [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses,
++    [AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap,
++      [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo,
+         [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses,
+-	    [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses,
+ 	        bash_cv_termcap_lib=gnutermcap)])])])])])
+ if test "X$_bash_needmsg" = "Xyes"; then
+ AC_MSG_CHECKING(which library has the termcap functions)
+Only in ./: aclocal.m4~
+Only in ./: autom4te.cache
+diff -ur ../readline-6.3.orig/configure ./configure
+--- ../readline-6.3.orig/configure	2013-03-13 15:14:53.000000000 +0100
++++ ./configure	2015-05-21 11:29:48.157514191 +0200
+@@ -5793,6 +5793,45 @@
+ if test "x$ac_cv_func_tgetent" = xyes; then :
+   bash_cv_termcap_lib=libc
+ else
++  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -lncurses" >&5
++$as_echo_n "checking for tgetent in -lncurses... " >&6; }
++if ${ac_cv_lib_ncurses_tgetent+:} false; then :
++  $as_echo_n "(cached) " >&6
++else
++  ac_check_lib_save_LIBS=$LIBS
++LIBS="-lncurses  $LIBS"
++cat confdefs.h - <<_ACEOF >conftest.$ac_ext
++/* end confdefs.h.  */
++
++/* Override any GCC internal prototype to avoid an error.
++   Use char because int might match the return type of a GCC
++   builtin and then its argument prototype would still apply.  */
++#ifdef __cplusplus
++extern "C"
++#endif
++char tgetent ();
++int
++main ()
++{
++return tgetent ();
++  ;
++  return 0;
++}
++_ACEOF
++if ac_fn_c_try_link "$LINENO"; then :
++  ac_cv_lib_ncurses_tgetent=yes
++else
++  ac_cv_lib_ncurses_tgetent=no
++fi
++rm -f core conftest.err conftest.$ac_objext \
++    conftest$ac_exeext conftest.$ac_ext
++LIBS=$ac_check_lib_save_LIBS
++fi
++{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ncurses_tgetent" >&5
++$as_echo "$ac_cv_lib_ncurses_tgetent" >&6; }
++if test "x$ac_cv_lib_ncurses_tgetent" = xyes; then :
++  bash_cv_termcap_lib=libncurses
++else
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -ltermcap" >&5
+ $as_echo_n "checking for tgetent in -ltermcap... " >&6; }
+ if ${ac_cv_lib_termcap_tgetent+:} false; then :
+@@ -5910,45 +5949,6 @@
+ if test "x$ac_cv_lib_curses_tgetent" = xyes; then :
+   bash_cv_termcap_lib=libcurses
+ else
+-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -lncurses" >&5
+-$as_echo_n "checking for tgetent in -lncurses... " >&6; }
+-if ${ac_cv_lib_ncurses_tgetent+:} false; then :
+-  $as_echo_n "(cached) " >&6
+-else
+-  ac_check_lib_save_LIBS=$LIBS
+-LIBS="-lncurses  $LIBS"
+-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+-/* end confdefs.h.  */
+-
+-/* Override any GCC internal prototype to avoid an error.
+-   Use char because int might match the return type of a GCC
+-   builtin and then its argument prototype would still apply.  */
+-#ifdef __cplusplus
+-extern "C"
+-#endif
+-char tgetent ();
+-int
+-main ()
+-{
+-return tgetent ();
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-if ac_fn_c_try_link "$LINENO"; then :
+-  ac_cv_lib_ncurses_tgetent=yes
+-else
+-  ac_cv_lib_ncurses_tgetent=no
+-fi
+-rm -f core conftest.err conftest.$ac_objext \
+-    conftest$ac_exeext conftest.$ac_ext
+-LIBS=$ac_check_lib_save_LIBS
+-fi
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ncurses_tgetent" >&5
+-$as_echo "$ac_cv_lib_ncurses_tgetent" >&6; }
+-if test "x$ac_cv_lib_ncurses_tgetent" = xyes; then :
+-  bash_cv_termcap_lib=libncurses
+-else
+   bash_cv_termcap_lib=gnutermcap
+ fi
+ 
+@@ -6322,10 +6322,7 @@
+   $as_echo_n "(cached) " >&6
+ else
+   if test "$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; }
++  bash_cv_wcwidth_broken=no
+ else
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+@@ -6409,6 +6406,7 @@
+ #	*curses*|*termcap*|*termlib*)	;;
+ #	*)			SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
+ #	esac
++        SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB"
+ 
+ 
+ 
+diff -ur ../readline-6.3.orig/configure.ac ./configure.ac
+--- ../readline-6.3.orig/configure.ac	2014-02-11 23:12:39.000000000 +0100
++++ ./configure.ac	2015-05-21 11:25:26.164610769 +0200
+@@ -222,6 +222,7 @@
+ #	*curses*|*termcap*|*termlib*)	;;
+ #	*)			SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
+ #	esac
++        SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB"
+ 	
+         AC_SUBST(SHOBJ_CC)
+         AC_SUBST(SHOBJ_CFLAGS)
+Only in ./: configure.ac~