readline: fixed reinstall when the shell already depends on readline.

base/readline/fix-install.patch

@@ -0,0 +1,50 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: package/.../readline/fix-install.patch
+# Copyright (C) 2016 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This patch file is dual-licensed. It is available under the license the
+# patched project is licensed under, as long as it is an OpenSource license
+# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
+# of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+--- ./support/shlib-install.orig	2016-05-09 15:43:49.716808655 +0300
++++ ./support/shlib-install	2016-05-09 15:48:01.368808655 +0300
+@@ -44,7 +44,7 @@
+ OLDSUFF=old
+ MV=mv
+ RM="rm -f"
+-LN="ln -s"
++LN="ln -sf"
+ 
+ # pre-install
+ 
+@@ -73,7 +73,7 @@
+ case "$host_os" in
+ hpux*|darwin*|macosx*|linux*|solaris2*)
+ 	if [ -z "$uninstall" ]; then
+-		chmod 555 ${INSTALLDIR}/${LIBNAME}
++		chmod 644 ${INSTALLDIR}/${LIBNAME}
+ 	fi ;;
+ cygwin*|mingw*)
+ 	IMPLIBNAME=`echo ${LIBNAME} \
+@@ -120,13 +120,11 @@
+ case "$host_os-$host_vendor" in
+ *linux*|freebsd*-gentoo)
+ 	# libname.so.M -> libname.so.M.N
+-	${echo} ${RM} ${INSTALLDIR}/$LINK2
+ 	if [ -z "$uninstall" ]; then
+ 		eval $INSTALL_LINK2
+ 	fi
+ 
+ 	# libname.so -> libname.so.M
+-	${echo} ${RM} ${INSTALLDIR}/$LINK1
+ 	if [ -z "$uninstall" ]; then
+ 		${echo} cd $INSTALLDIR && ${echo} ${LN} $LINK2 $LINK1
+ 	fi

base/readline/readline.conf

@@ -18,6 +18,11 @@ var_remove confopt " " "--disable-shared"
 var_remove confopt " " "--disable-static"
 hook_add postmake 5 "cp -rv examples/ $root/$docdir"
 
+if pkginstalled -f ncurses; then
+	var_append makeopt ' ' 'SHLIB_LIBS=-lncurses'
+	var_append makeinstopt ' ' 'SHLIB_LIBS=-lncurses'
+fi
+
 pkg_readline_preconf() {
 	for x in $(match_source_file -p patch) ; do
 		echo "Applying patch ${x##*/} ..."