bc: add readline support, arch patches.

srcpkgs/bc/bc.rshlibs

@@ -1 +1,2 @@
 libc.so.6
+libreadline.so.6

srcpkgs/bc/patches/bc-1.06-info-dir-entry_from_arch.patch

@@ -0,0 +1,11 @@
+--- doc/bc.info.info-dir-entry	2000-10-03 20:36:31.000000000 +0200
++++ doc/bc.info	2003-01-06 14:07:40.000000000 +0100
+@@ -1,5 +1,8 @@
+ This is bc.info, produced by makeinfo version 4.0 from bc.texi.
+ 
++START-INFO-DIR-ENTRY
++* bc: (bc).                   Arbritrary precision calculator language.
++END-INFO-DIR-ENTRY
+ 
+ File: bc.info,  Node: Top,  Next: Introduction,  Prev: (dir),  Up: (dir)
+ 

srcpkgs/bc/patches/build-fix_from_arch.patch

@@ -0,0 +1,13 @@
+diff -wbBur bc-1.06/bc/scan.l bc-1.06.my/bc/scan.l
+--- bc/scan.l   2000-09-13 22:25:47 +0400
++++ bc/scan.l    2006-12-25 12:39:34 +0300
+@@ -143,7 +143,9 @@
+
+ /* Definitions for readline access. */
+ extern FILE *rl_instream;
++#if 0
+ _PROTOTYPE(char *readline, (char *));
++#endif
+
+ /* rl_input puts upto MAX characters into BUF with the number put in
+    BUF placed in *RESULT.  If the yy input file is the same as

srcpkgs/bc/template

@@ -1,8 +1,10 @@
 # Template file for 'bc'
 pkgname=bc
 version=1.06
+revision=1
 distfiles="${GNU_SITE}/${pkgname}/${pkgname}-${version}.tar.gz"
 build_style=gnu-configure
+configure_args="--with-readline"
 short_desc="An arbitrary precision numeric processing language."
 maintainer="davehome <davehome@redthumb.info.tm>"
 homepage="http://www.gnu.org/software/${pkgname}/"
@@ -21,3 +23,9 @@ long_desc="
  language."
 
 Add_dependency build flex
+Add_dependency build readline-devel
+
+do_build()
+{
+	make ${makejobs} LEX="flex -I"
+}