add tty-clock package (#481)

packages/tty-clock/build.sh

@@ -0,0 +1,16 @@
+TERMUX_PKG_HOMEPAGE=https://github.com/xorg62/tty-clock
+TERMUX_PKG_DESCRIPTION="tty-clock is a simple ncurses-based clock that shows the time and date using a large display. It has a few commandline options to customize the output."
+TERMUX_PKG_VERSION=0.1.20160928
+# The current tagged release is a few years older than the latest commit and has many problems
+_COMMIT=516afbf9f96101c0bed1c366f80d7ca087b0557d
+TERMUX_PKG_MAINTAINER="Oliver Schmidhauser @Neo-Oli"
+TERMUX_PKG_SRCURL=https://github.com/xorg62/tty-clock/archive/${_COMMIT}.tar.gz
+TERMUX_PKG_FOLDERNAME=tty-clock-${_COMMIT}
+TERMUX_PKG_DEPENDS="ncurses"
+TERMUX_PKG_BUILD_IN_SRC=yes
+
+termux_step_pre_make () {
+	LDFLAGS+=" -lncurses"
+	CFLAGS+=" $CPPFLAGS"
+}
+