Enable the zile package

The zile package no longer crashes after @iainnicol finding out
that the issue was rpl_malloc, so enable it.

See https://github.com/termux/termux-packages/pull/56

disabled-packages/zile/build.sh

@@ -1,16 +0,0 @@
-# NOTE: Zile currently segfaults. According to gdb, the crash is somewhere
-# in GC_realloc. So it's maybe not zile's fault, but instead libgc's fault.
-
-TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/zile/
-TERMUX_PKG_DESCRIPTION="Lightweight clone of the Emacs text editor"
-TERMUX_PKG_VERSION=2.4.11
-TERMUX_PKG_SRCURL=https://ftp.gnu.org/gnu/zile/zile-${TERMUX_PKG_VERSION}.tar.gz
-TERMUX_PKG_DEPENDS="libgc, ncurses"
-
-# Host build for man pages generated by help2man, see patch:
-TERMUX_PKG_HOSTBUILD=yes
-TERMUX_PKG_BUILD_IN_SRC=yes
-termux_step_pre_configure () {
-        # Required because patch modifies a Makefile.am.
-        autoreconf
-}

disabled-packages/zile/help2man.patch

@@ -1,19 +0,0 @@
-Use man pages generated by help2man in the host build.
-
-diff -u -r  ../zile-2.4.11/doc/Makefile.am ./doc/Makefile.am
---- ../zile-2.4.11/doc/Makefile.am	2014-02-24 21:42:16.000000000 +0000
-+++ ./doc/Makefile.am	2015-11-14 19:40:13.163834200 +0000
-@@ -27,11 +27,8 @@
- EXTRA_DIST += doc/man-extras doc/zile.1.in
- man_MANS = doc/zile.1
- 
--doc/zile.1: $(srcdir)/doc/zile.1.in doc/Makefile.am config.status
--	@test -d doc || mkdir doc
--	rm -f $@ $@.tmp
--	$(edit) $(abs_srcdir)/doc/zile.1.in >$@.tmp
--	mv $@.tmp $@
-+doc/zile.1:
-+	cp $(top_srcdir)/../host-build/$@ $@
- 
- $(srcdir)/doc/zile.1.in: doc/man-extras build-aux/zile-help2man-wrapper configure.ac $(builddir)/src/zile$(EXEEXT)
- 	@test -d doc || mkdir doc

packages/zile/build.sh

@@ -0,0 +1,13 @@
+TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/zile/
+TERMUX_PKG_DESCRIPTION="Lightweight clone of the Emacs text editor"
+TERMUX_PKG_VERSION=2.4.11
+TERMUX_PKG_SRCURL=https://ftp.gnu.org/gnu/zile/zile-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_DEPENDS="libgc, ncurses"
+TERMUX_PKG_BUILD_IN_SRC=yes
+
+termux_step_pre_make () {
+	# zile uses help2man to build the zile.1 man page, which would require
+	# a host build. To avoid that just copy a pre-built man page.
+	cp $TERMUX_PKG_BUILDER_DIR/zile.1 $TERMUX_PKG_BUILDDIR/doc/zile.1
+	$TERMUX_TOUCH -d "next hour" $TERMUX_PKG_BUILDDIR/doc/zile.1*
+}

packages/zile/zile.1

@@ -0,0 +1,59 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.45.1.
+.TH ZILE "1" "April 2014" "Zile 2.4.11" "User Commands"
+.SH NAME
+Zile \- Zile Is Lossy Emacs
+.SH SYNOPSIS
+.B zile
+[\fI\,OPTION-OR-FILENAME\/\fR]...
+.SH DESCRIPTION
+Zile is a lightweight Emacs clone that provides a subset of Emacs's
+functionality suitable for basic editing.
+.PP
+Run Zile, the lightweight Emacs clone.
+.PP
+Initialization options:
+.TP
+\fB\-\-no\-init\-file\fR, \fB\-q\fR
+do not load ~/.zile
+.TP
+\fB\-\-funcall\fR, \fB\-f\fR FUNC
+call Zile Lisp function FUNC with no arguments
+.TP
+\fB\-\-load\fR, \fB\-l\fR FILE
+load Zile Lisp FILE using the load function
+.TP
+\fB\-\-help\fR
+display this help message and exit
+.TP
+\fB\-\-version\fR
+display version information and exit
+.PP
+Action options:
+.TP
+FILE
+visit FILE using find\-file
+.TP
++LINE FILE
+visit FILE using find\-file, then go to line LINE
+.PP
+Exit status is 0 if OK, 1 if it cannot start up, for example because
+of an invalid command-line argument, and 2 if it crashes or runs out
+of memory.
+.SH FILES
+~/.zile \(em user's Zile init file
+.PP
+$PREFIX/share/zile/dotzile.sample \(em which contains some useful
+code for the init file.
+.SH AUTHOR
+Zile was written by Sandro Sigala, David A. Capello and Reuben Thomas.
+The Lisp interpreter is based on code by Scott Lawrence.
+.SH "REPORTING BUGS"
+Report bugs to bug\-zile@gnu.org.
+.SH COPYRIGHT
+Copyright \(co 2014 Free Software Foundation, Inc.
+GNU Zile comes with ABSOLUTELY NO WARRANTY.
+You may redistribute copies of Zile
+under the terms of the GNU General Public License.
+For more information about these matters, see the file named COPYING.
+.SH "SEE ALSO"
+.BR emacs (1)