Index: www/node/Makefile
===================================================================
--- www/node/Makefile
+++ www/node/Makefile
@@ -3,6 +3,7 @@
 PORTNAME=	node
 PORTVERSION=	14.12.0
 DISTVERSIONPREFIX=	v
+PORTREVISION=	1
 CATEGORIES=	www
 MASTER_SITES=	http://nodejs.org/dist/v${PORTVERSION}/
 
@@ -16,8 +17,8 @@
 BROKEN_SSL_REASON=	Node.js 14.x requires OpenSSL 1.1.x or the BUNDLED_SSL option enabled
 ONLY_FOR_ARCHS=		aarch64 amd64 armv6 armv7 i386 powerpc64 powerpc64le
 
-OPTIONS_DEFINE=		BUNDLED_SSL DOCS NLS DTRACE
-OPTIONS_DEFAULT=	DTRACE
+OPTIONS_DEFINE=		BUNDLED_SSL DOCS NLS DTRACE SHARED
+OPTIONS_DEFAULT=	DTRACE SHARED
 OPTIONS_DEFAULT_FreeBSD_11=	BUNDLED_SSL
 OPTIONS_DEFAULT+=	${OPTIONS_DEFAULT_${OPSYS}_${OSREL:R}}
 OPTIONS_SUB=		yes
@@ -43,6 +44,14 @@
 
 DTRACE_CONFIGURE_ON=	--with-dtrace
 
+# Node.js uses their module version as the shared library version suffix. The
+# value here must be updated whenever upstream changes. 
+NODE_MODULE_VERSION=	83
+SHARED_DESC=		Build and install libnode.so
+SHARED_CONFIGURE_ON=	--shared
+SHARED_USE_LDCONFIG=	yes
+SHARED_PLIST_SUB+=	NODE_MODULE_VERSION=${NODE_MODULE_VERSION}
+
 USES=		compiler:c++11-lib gmake python:build pkgconfig \
 		localbase shebangfix
 
@@ -97,6 +106,21 @@
 CONFIGURE_ARGS+=--openssl-no-asm
 .endif
 
+post-extract:
+	# Fail the build if NODE_MODULE_VERSION from the upstream packages does
+	# match the value defined above. The value above needs to be updated
+	# and an entry added to UPDATING to give users notice of the shared
+	# library version change and how to rebuild all dependent ports.
+	@( \
+		VALUE=$$(${AWK} '/^#define NODE_MODULE_VERSION/ { print $$3 }' \
+			${WRKSRC}/src/node_version.h \
+		); \
+		test ${NODE_MODULE_VERSION} -eq $$VALUE || { \
+			echo "NODE_MODULE_VERSION mismatch! Expected ${NODE_MODULE_VERSION}, got $$VALUE"; \
+			exit 1; \
+		} \
+	)
+
 post-patch:
 	@${REINPLACE_CMD} -e 's|/usr/local|${LOCALBASE}|' \
 		${WRKSRC}/tools/v8_gypfiles/v8.gyp
@@ -113,5 +137,9 @@
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/node
+.if ${PORT_OPTIONS:MSHARED}
+	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libnode.so.${NODE_MODULE_VERSION}
+	${LN} -fs libnode.so.${NODE_MODULE_VERSION} ${STAGEDIR}${PREFIX}/lib/libnode.so
+.endif
 
 .include <bsd.port.mk>
Index: www/node/files/patch-tools_install.py
===================================================================
--- /dev/null
+++ www/node/files/patch-tools_install.py
@@ -0,0 +1,38 @@
+--- tools/install.py.orig	2020-09-10 04:57:37 UTC
++++ tools/install.py
+@@ -121,26 +121,23 @@ def subdir_files(path, dest, action):
+ 
+ def files(action):
+   is_windows = sys.platform == 'win32'
+-  output_file = 'node'
+   output_prefix = 'out/Release/'
+ 
+-  if 'false' == variables.get('node_shared'):
++  output_file = 'node'
++  if is_windows:
++    output_file += '.exe'
++  action([output_prefix + output_file], 'bin/' + output_file)
++
++  if 'true' == variables.get('node_shared'):
+     if is_windows:
+-      output_file += '.exe'
+-  else:
+-    if is_windows:
+-      output_file += '.dll'
++      output_lib = 'node.dll'
+     else:
+-      output_file = 'lib' + output_file + '.' + variables.get('shlib_suffix')
++      output_lib = 'lib' + output_file + '.' + variables.get('shlib_suffix')
+       # GYP will output to lib.target except on OS X, this is hardcoded
+       # in its source - see the _InstallableTargetInstallPath function.
+       if sys.platform != 'darwin':
+         output_prefix += 'lib.target/'
+-
+-  if 'false' == variables.get('node_shared'):
+-    action([output_prefix + output_file], 'bin/' + output_file)
+-  else:
+-    action([output_prefix + output_file], 'lib/' + output_file)
++    action([output_prefix + output_lib], 'lib/' + output_lib)
+ 
+   if 'true' == variables.get('node_use_dtrace'):
+     action(['out/Release/node.d'], 'lib/dtrace/node.d')
Index: www/node/pkg-plist
===================================================================
--- www/node/pkg-plist
+++ www/node/pkg-plist
@@ -496,6 +496,8 @@
 include/node/v8.h
 include/node/v8config.h
 %%DTRACE%%lib/dtrace/node.d
+%%SHARED%%lib/libnode.so
+%%SHARED%%lib/libnode.so.%%NODE_MODULE_VERSION%%
 @(,,444) man/man1/node.1.gz
 %%PORTDOCS%%%%DOCSDIR%%/gdbinit
 %%PORTDOCS%%%%DOCSDIR%%/lldb_commands.py