Add sscalc 1.0, a sunrise/sunset time calculator ported to C from

Javascript (uh, yeah).  Too bad you have to hardcode your long/lat into
the program, perhaps some kind soul will inflict getopt() on this prog.

PR:		23245
Submitted by:	Keith Walker <kew@icehouse.net>

astro/Makefile

@@ -13,6 +13,7 @@
     SUBDIR += sattrack
     SUBDIR += seti_applet
     SUBDIR += setiathome
+    SUBDIR += sscalc
     SUBDIR += stars
     SUBDIR += sunclock
     SUBDIR += tkseti

astro/sscalc/Makefile

@@ -0,0 +1,28 @@
+# New ports collection makefile for: 	sscalc
+# Date created:				Wed Nov 29 15:08:00 PST 2000
+# Whom:					Keith Walker <kew@icehouse.net>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	sscalc
+PORTVERSION=	1.0
+CATEGORIES=	astro
+MASTER_SITES=	http://www.icehouse.net/kew/
+
+MAINTAINER=	kew@icehouse.net
+
+pre-fetch:
+.if !defined(LAT)
+	@${ECHO_MSG} "Type \"make LAT=<nnn.nn> LON=<nnn.nn>\" to hardwire your site"
+.else
+	@${ECHO_MSG} "Compiling in lat/longs"
+.endif
+
+post-install:
+	@strip ${PREFIX}/bin/sscalc
+	@${MKDIR} ${PREFIX}/share/doc/sscalc
+	${INSTALL_DATA} ${WRKSRC}/cities.txt ${PREFIX}/share/doc/sscalc
+	${INSTALL_DATA} ${WRKSRC}/README ${PREFIX}/share/doc/sscalc
+
+.include <bsd.port.mk>

astro/sscalc/distinfo

@@ -0,0 +1 @@
+MD5 (sscalc-1.0.tar.gz) = e3777b9b3031af7215c514fc3c0665b3

astro/sscalc/pkg-comment

@@ -0,0 +1 @@
+A sunrise/sunset time calculator

astro/sscalc/pkg-descr

@@ -0,0 +1,9 @@
+This is sscalc, a sunrise/sunset time calculator, ported to C.
+You can find the sunrise and sunset times for anywhere in the world
+as long as you know the latitude and longitude of the location.
+
+The program is a port of the Javascript program located at
+http://www.srrb.noaa.gov/highlights/sunrise/gen.html
+
+The page was written by Aaron Horiuchi, Chris Lehman and Chris
+Cornwall.

astro/sscalc/pkg-plist

@@ -0,0 +1,4 @@
+bin/sscalc
+share/doc/sscalc/cities.txt
+share/doc/sscalc/README
+@dirrm share/doc/sscalc