add a module primarily for erlang modules

lang/erlang/erlang.port.mk

@@ -0,0 +1,67 @@
+# $OpenBSD: erlang.port.mk,v 1.1 2013/03/10 19:16:16 jasper Exp $
+#
+# Module for Erlang-based ports or modules
+
+CATEGORIES +=		lang/erlang
+
+USE_GMAKE ?=		Yes
+
+SUBST_VARS +=		VERSION
+
+.if defined(CONFIGURE_STYLE) && ${CONFIGURE_STYLE:L} == "rebar"
+MODERL_BUILD_DEPENDS +=	devel/rebar
+REBAR_BIN ?=		${LOCALBASE}/bin/rebar
+
+# Some modules bundle their own rebar escript, force them to use the system
+# rebar instead.
+# While here, remove the deps{} block from rebar.config, we cannot download
+# dependencies on the fly (blocked by systrace) and it obfuscates dependency
+# management from the ports' Makefile.
+.  if ! target(pre-build)
+pre-build:
+	@cp /usr/local/bin/rebar ${WRKSRC}
+	@perl -pi -e 'BEGIN{undef $/;} s/{deps,.*?]}.//smg' ${WRKSRC}/rebar.config
+.  endif
+.endif
+
+# Root directory of all Erlang libraries.
+ERL_LIBROOT ?=	${PREFIX}/lib/erlang/lib/
+
+# Standard directory into which a module/library gets installed.
+ERL_LIBDIR ?=	${ERL_LIBROOT}${DISTNAME}
+
+# A lot (if not all) of the Erlang modules comes from GitHub, so to ensure the
+# tarballs are extracted correctly, use GNU tar.
+MODERL_BUILD_DEPENDS += archivers/gtar
+TAR ?=			${LOCALBASE}/bin/gtar
+
+MODERL_RUN_DEPENDS +=	lang/erlang
+
+.if defined(MODERL_BUILD_DEPENDS)
+BUILD_DEPENDS +=	${MODERL_BUILD_DEPENDS}
+.endif
+
+.if defined(MODERL_RUN_DEPENDS)
+RUN_DEPENDS +=		${MODERL_RUN_DEPENDS}
+.endif
+
+# Regression test handing:
+# If nothing is explicitly set, then MODERL_REGRESS=Yes and default
+# target 'test' is used. Otherwise, if MODERL_REGRESS=eunit, then
+# REGRESS_TARGET=eunit
+.if defined(NO_REGRESS) && ${NO_REGRESS:L:Mno}
+.  if ! defined(MODERL_REGRESS) || \
+     defined(MODERL_REGRESS) && ${MODERL_REGRESS:L:Myes}
+         REGRESS_TARGET ?= test
+.  elif defined(MODERL_REGRESS) && ${MODERL_REGRESS:L:Mno}
+     NO_REGRESS = yes
+.  elif defined(MODERL_REGRESS) && ${MODERL_REGRESS:L:Meunit}
+     REGRESS_TARGET ?= eunit
+.endif
+.endif
+
+# Helper target for testing code coverage.
+.if ! target(dialyzer)
+dialyzer:
+	cd ${WRKSRC} && ${REBAR_BIN} dialyzer
+.endif