Add new Ocaml port: lang/js_of_ocaml

The initial version submitted in the PR was augmented by later changes
seen in pkgsrc where the counterpart is maintained by the submitter.

==
Js_of_ocaml is a compiler of OCaml bytecode to Javascript. It makes it
possible to run Ocaml programs in a Web browser.

WWW: http://ocsigen.org/js_of_ocaml/
==

PR:		ports/176163
Submitted by:	Jaap Boender
Maintainer:	Jaap Boender
Stage support:	Taken from pkgsrc

lang/Makefile

@@ -130,6 +130,7 @@
     SUBDIR += jakarta-commons-jelly
     SUBDIR += jimtcl
     SUBDIR += jruby
+    SUBDIR += js_of_ocaml
     SUBDIR += jython
     SUBDIR += kawa
     SUBDIR += klone

lang/js_of_ocaml/Makefile

@@ -0,0 +1,31 @@
+# Created by: Jaap Boender <jaapb@kerguelen.org>
+# $FreeBSD$
+
+PORTNAME=	js_of_ocaml
+PORTVERSION=	1.3.2
+CATEGORIES=	lang
+MASTER_SITES=	http://ocsigen.org/download/
+
+MAINTAINER=	jaapb@kerguelen.org
+COMMENT=	OCaml to JavaScript compiler
+
+BUILD_DEPENDS=	ocaml-lwt>=2.3.0:${PORTSDIR}/devel/ocaml-lwt \
+		${SA_DIR}/deriving-ocsigen/deriving.a:${PORTSDIR}/devel/ocaml-deriving-ocsigen
+RUN_DEPENDS=	ocaml-lwt>=2.3.0:${PORTSDIR}/devel/ocaml-lwt \
+		${SA_DIR}/deriving-ocsigen/deriving.a:${PORTSDIR}/devel/ocaml-deriving-ocsigen
+
+SA_DIR=		${PREFIX}/${OCAML_SITELIBDIR}
+
+USES=			gmake
+USE_OCAML=		yes
+USE_OCAML_FINDLIB=	yes
+USE_OCAML_LDCONFIG=	yes
+USE_OCAMLFIND_PLIST=	yes
+
+PLIST_FILES+=		bin/js_of_ocaml
+
+MAKE_ENV+=		BINDIR=${STAGEDIR}${PREFIX}/bin \
+			DESTDIR=${STAGEDIR} \
+			OCAML_SITELIBDIR=${PREFIX}/lib/ocaml/site-lib
+
+.include <bsd.port.mk>

lang/js_of_ocaml/distinfo

@@ -0,0 +1,2 @@
+SHA256 (js_of_ocaml-1.3.2.tar.gz) = 5996d2a9bc32121186e1964af557bb411eb5a27aa155d2c6a8a144ee5f3d0c36
+SIZE (js_of_ocaml-1.3.2.tar.gz) = 1901593

lang/js_of_ocaml/files/patch-Makefile

@@ -0,0 +1,14 @@
+$NetBSD: patch-Makefile,v 1.2 2012/12/14 14:40:24 jaapb Exp $
+
+Install to DESTDIR
+--- Makefile.orig	2012-12-07 19:39:02.000000000 +0000
++++ Makefile
+@@ -31,7 +31,7 @@ include Makefile.filelist
+ 
+ VERSION := $(shell head -n 1 VERSION)
+ install:
+-	ocamlfind install -patch-version ${VERSION} $(LIBRARY) lib/META $(INTF) $(IMPL) $(OTHERS) $(DOC)
++	ocamlfind install -ldconf ignore -destdir ${DESTDIR}${OCAML_SITELIBDIR} -patch-version ${VERSION} $(LIBRARY) lib/META $(INTF) $(IMPL) $(OTHERS) $(DOC)
+ 	install -d -m 755 $(BINDIR)
+ 	install $(BIN) $(BINDIR)
+ 

lang/js_of_ocaml/files/patch-Makefile.conf

@@ -0,0 +1,13 @@
+$NetBSD: patch-Makefile.conf,v 1.1 2012/07/11 15:35:06 wiz Exp $
+
+Have BINDIR be determined from package Makefile
+--- Makefile.conf.orig	2011-11-30 14:25:06.000000000 +0000
++++ Makefile.conf
+@@ -1,6 +1,6 @@
+ 
+ # Where binaries are installed:
+-BINDIR := /usr/local/bin
++# BINDIR := /usr/local/bin
+ 
+ ####
+ 

lang/js_of_ocaml/pkg-descr

@@ -0,0 +1,4 @@
+Js_of_ocaml is a compiler of OCaml bytecode to Javascript. It makes it
+possible to run Ocaml programs in a Web browser.
+
+WWW: http://ocsigen.org/js_of_ocaml/