Add www/node module for packaging nodejs libraries that are typically

installed via npm install.

OK sthen@, Aaron Bieber (www/node MAINTAINER)

www/node/node.port.mk

@@ -0,0 +1,84 @@
+# $OpenBSD: node.port.mk,v 1.1 2012/04/03 18:32:12 jeremy Exp $
+
+# node module
+
+CATEGORIES +=	www/node
+
+BUILD_DEPENDS +=	www/node
+RUN_DEPENDS += 		www/node
+
+.if ${CONFIGURE_STYLE:L:Mnpm}
+.  if ${CONFIGURE_STYLE:L:Mext}
+# Node C++ extensions are specific to an arch and are loaded as
+# shared libraries, so set SHARED_ONLY and make sure PKG_ARCH=* is
+# not set.
+.    if defined(PKG_ARCH) && ${PKG_ARCH} == *
+ERRORS +=	"Fatal: Should not have PKG_ARCH=* when compiling extensions"
+.    endif
+SHARED_ONLY =	Yes
+# All node extensions appear to link against these two libraries
+WANTLIB +=	m stdc++
+.  else
+# Node libraries that don't contain C++ extensions should run on
+# any arch.
+PKG_ARCH ?=	*
+.  endif
+
+# The npm package repository separates packages in different directories,
+# so to eliminate duplication, you need to set the NPM_NAME and VERSION
+# variables so it can use the correct DISTNAME and MASTER_SITES.
+# The NPM_NAME is required anyway during the install tasks, so it may as
+# well be used here.
+DISTNAME ?=	${NPM_NAME}-${VERSION}
+MASTER_SITES ?=	${MASTER_SITE_NPM}${NPM_NAME}/-/
+EXTRACT_SUFX ?=	.tgz
+PKGNAME ?=	node-${DISTNAME}
+
+MODNODE_BIN_NPM =	${LOCALBASE}/bin/npm
+NPM_INSTALL_FILE =	${WRKDIR}/${DISTNAME}.tgz
+NPM_TAR_DIR =		package
+WRKDIST =		${WRKDIR}/${NPM_TAR_DIR}
+
+NO_REGRESS ?= Yes
+
+# List of npm package names to depend on.  Only necessary
+# if the current port depends on other node ports.
+MODNODE_DEPENDS ?=		
+
+# Link all dependencies first so that npm will install without complaining.
+# Then rebuild the distfile, since it may contain local patches.
+# Then use npm install to install the package to a local node_modules dir.
+MODNODE_BUILD_TARGET = \
+	cd ${WRKDIST} && find . -type f -name '*.orig'  -print0 | \
+		xargs -r0 rm; \
+	for dep in ${MODNODE_DEPENDS}; do \
+		cd ${WRKDIR} && ${MODNODE_BIN_NPM} link $$dep; \
+	done; \
+	cd ${WRKDIR} && tar -zcf ${NPM_INSTALL_FILE} ${NPM_TAR_DIR}; \
+	cd ${WRKDIR} && HOME=${WRKDIR} ${MODNODE_BIN_NPM} install \
+		${NPM_INSTALL_FILE}
+
+# Move just this package from the local node_modules dir to the global
+# node_modules dir.  If there are any binaries in the package, create
+# symlinks in the default PATH that point to them.
+MODNODE_INSTALL_TARGET = \
+	mkdir ${PREFIX}/lib/node_modules; \
+	mv ${WRKDIR}/node_modules/${NPM_NAME} ${PREFIX}/lib/node_modules; \
+	chown -R ${SHAREOWN}:${SHAREGRP} ${PREFIX}/lib/node_modules; \
+	if [ -d ${PREFIX}/lib/node_modules/${NPM_NAME}/bin ]; then \
+		cd ${PREFIX}/lib/node_modules/${NPM_NAME}/bin && \
+		for bin in *; do \
+			ln -s ${TRUEPREFIX}/lib/node_modules/${NPM_NAME}/bin/$$bin \
+				${PREFIX}/bin/$${bin%.js}; \
+		done; \
+	fi;
+
+.  if !target(do-build)
+do-build: 
+	${MODNODE_BUILD_TARGET}
+.  endif
+.  if !target(do-install)
+do-install: 
+	${MODNODE_INSTALL_TARGET}
+.  endif
+.endif