diff --git a/devel/ocaml-findlib/Makefile b/devel/ocaml-findlib/Makefile
index 047ea5c78bd5..e9d8817fd437 100644
--- a/devel/ocaml-findlib/Makefile
+++ b/devel/ocaml-findlib/Makefile
@@ -1,60 +1,68 @@
 # Created by: ijliao
 
 PORTNAME=	findlib
-PORTVERSION=	1.7.1
+PORTVERSION=	1.7.3
 CATEGORIES=	devel
 MASTER_SITES=	http://download.camlcity.org/download/
 PKGNAMEPREFIX=	ocaml-
 
 MAINTAINER=	hrs@FreeBSD.org
 COMMENT=	OCaml package manager
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		gmake
 USE_OCAML=	yes
 USE_OCAML_CAMLP4=yes
 USE_OCAML_FINDLIB=yes
 OCAMLFIND_DEPEND=	# Avoid dependency loop
 HAS_CONFIGURE=	yes
 CONFIGURE_ARGS=	-bindir "${PREFIX}/bin" -mandir "${PREFIX}/man" \
 		-sitelib "${PREFIX}/${OCAML_SITELIBDIR}" \
 		-config "${PREFIX}/etc/findlib.conf"
 MAKE_ENV=	OCAML_LIBDIR="${PREFIX}/${OCAML_LIBDIR}"
 ALL_TARGET=	all opt
 MAKE_JOBS_UNSAFE=	yes
 DOCSDIR=	${PREFIX}/share/doc/ocaml/${PORTNAME}
 PORTDOCS=	*
 
+# Num library is not part of OCaml core since v4.06
+.if exists(${LOCALBASE}/lib/ocaml/num.cmi)
+PLIST_SUB+=	NUM=""
+.else
+PLIST_SUB+=	NUM="@comment "
+.endif
+
 OPTIONS_DEFINE=	TOOLBOX DOCS
 OPTIONS_DEFAULT=TOOLBOX
 OPTIONS_SUB=	yes
+
 TOOLBOX_DESC=	Include toolbox interface (requires OCaml with TK)
 TOOLBOX_CONFIGURE_ON=	-with-toolbox
 TOOLBOX_RUN_DEPENDS=	labltk:x11-toolkits/ocaml-labltk
 TOOLBOX_BUILD_DEPENDS=	${TOOLBOX_RUN_DEPENDS}
 
 .include <bsd.port.pre.mk>
 
 post-install:
 	cd ${STAGEDIR}${PREFIX} && \
 	    ${STRIP_CMD} bin/ocamlfind \
 	    ${OCAML_SITELIBDIR}/findlib/findlib.cmxs \
 	    ${OCAML_SITELIBDIR}/findlib/findlib_dynload.cmxs \
 	    ${OCAML_SITELIBDIR}/findlib/findlib_top.cmxs
 # Spacetime profiling is only available for native code on 64-bit targets
 .if ${ARCH} == armv7 || ${ARCH} == i386 || ${ARCH} == powerpc || ${ARCH} == powerpcspe
 	@${REINPLACE_CMD} -e '/raw_spacetime/d' ${TMPPLIST}
 .endif
 
 post-install-TOOLBOX-on:
 	${CHMOD} 755 ${STAGEDIR}${PREFIX}/bin/ocamlfind \
 	    ${STAGEDIR}${PREFIX}/${OCAML_SITELIBDIR}/findlib/make_wizard
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/doc && ${COPYTREE_SHARE} \* ${STAGEDIR}${DOCSDIR} \
 	    "! -regex .*ref-man.*"
 
 .include <bsd.port.post.mk>
diff --git a/devel/ocaml-findlib/distinfo b/devel/ocaml-findlib/distinfo
index bf3555519a1e..967f18478c77 100644
--- a/devel/ocaml-findlib/distinfo
+++ b/devel/ocaml-findlib/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1484407844
-SHA256 (findlib-1.7.1.tar.gz) = 5d4b9a79e9abf8be0b509f6b8cf5696221cbe14fa2fbb2bb352342755fd15eef
-SIZE (findlib-1.7.1.tar.gz) = 256883
+TIMESTAMP = 1496673173
+SHA256 (findlib-1.7.3.tar.gz) = d196608fa23c36c2aace27d5ef124a815132a5fcea668d41fa7d6c1ca246bd8b
+SIZE (findlib-1.7.3.tar.gz) = 257703
diff --git a/devel/ocaml-findlib/files/patch-Makefile b/devel/ocaml-findlib/files/patch-Makefile
index 95459974581b..55fa741e5c06 100644
--- a/devel/ocaml-findlib/files/patch-Makefile
+++ b/devel/ocaml-findlib/files/patch-Makefile
@@ -1,64 +1,64 @@
 --- Makefile.orig	2016-11-18 13:04:45 UTC
 +++ Makefile
 @@ -17,14 +17,14 @@ opt:
  	for p in $(PARTS); do ( cd src/$$p; $(MAKE) opt ) || exit; done
  
  install:
 -	mkdir -p "$(prefix)$(OCAMLFIND_BIN)"
 -	mkdir -p "$(prefix)$(OCAMLFIND_MAN)"
 +	mkdir -p "$(DESTDIR)$(prefix)$(OCAMLFIND_BIN)"
 +	mkdir -p "$(DESTDIR)$(prefix)$(OCAMLFIND_MAN)"
  	$(MAKE) install-config
  	for p in $(PARTS); do ( cd src/$$p; $(MAKE) install ); done
  	$(MAKE) install-meta
- 	cd src/findlib; $(MAKE) install-num-top
+ 	test -z "$(NUMTOP)" || { cd src/findlib; $(MAKE) install-num-top; }
  	if [ $(INSTALL_CAMLP4) -eq 1 ]; then \
 -		cp tools/safe_camlp4 "$(prefix)$(OCAMLFIND_BIN)"; \
-+		${BSD_INSTALL_SCRIPT}  tools/safe_camlp4 "$(DESTDIR)$(prefix)$(OCAMLFIND_BIN)"; \
++		${BSD_INSTALL_SCRIPT} tools/safe_camlp4 "$(DESTDIR)$(prefix)$(OCAMLFIND_BIN)"; \
  	fi
  	$(MAKE) install-doc
  
 @@ -55,7 +55,7 @@ findlib.conf: findlib.conf.in
  	USE_CYGPATH="$(USE_CYGPATH)"; \
  	export USE_CYGPATH; \
  	cat findlib.conf.in | \
--		tools/patch '@SITELIB@' '$(OCAML_SITELIB)' >findlib.conf
-+		tools/patch '@SITELIB@' '$(OCAML_SITELIB):$(OCAML_LIBDIR)' >findlib.conf
+-	    $(SH) tools/patch '@SITELIB@' '$(OCAML_SITELIB)' >findlib.conf
++	    $(SH) tools/patch '@SITELIB@' '$(OCAML_SITELIB):$(OCAML_LIBDIR)' >findlib.conf
  	if ./tools/cmd_from_same_dir ocamlc; then \
  		echo 'ocamlc="ocamlc.opt"' >>findlib.conf; \
  	fi
 @@ -71,9 +71,9 @@ findlib.conf: findlib.conf.in
  
  .PHONY: install-doc
  install-doc:
 -	mkdir -p "$(prefix)$(OCAMLFIND_MAN)/man1" "$(prefix)$(OCAMLFIND_MAN)/man3" "$(prefix)$(OCAMLFIND_MAN)/man5"
 -	-cp doc/ref-man/ocamlfind.1 "$(prefix)$(OCAMLFIND_MAN)/man1"
 -	-cp doc/ref-man/META.5 doc/ref-man/site-lib.5 doc/ref-man/findlib.conf.5 "$(prefix)$(OCAMLFIND_MAN)/man5"
 +	mkdir -p "$(DESTDIR)$(prefix)$(OCAMLFIND_MAN)/man1" "$(DESTDIR)$(prefix)$(OCAMLFIND_MAN)/man3" "$(DESTDIR)$(prefix)$(OCAMLFIND_MAN)/man5"
 +	-cp doc/ref-man/ocamlfind.1 "$(DESTDIR)$(prefix)$(OCAMLFIND_MAN)/man1"
 +	-cp doc/ref-man/META.5 doc/ref-man/site-lib.5 doc/ref-man/findlib.conf.5 "$(DESTDIR)$(prefix)$(OCAMLFIND_MAN)/man5"
  
  .PHONY: uninstall-doc
  uninstall-doc:
 @@ -86,7 +86,7 @@ uninstall-doc:
  
  .PHONY: install-meta
  install-meta:
 -	for x in `ls site-lib-src`; do if [ -f "site-lib-src/$$x/META" ]; then mkdir -p "$(prefix)$(OCAML_SITELIB)/$$x"; cp site-lib-src/$$x/META "$(prefix)$(OCAML_SITELIB)/$$x"; fi; done
 +	for x in `ls site-lib-src`; do if [ -f "site-lib-src/$$x/META" ]; then mkdir -p "$(DESTDIR)$(prefix)$(OCAML_SITELIB)/$$x"; cp site-lib-src/$$x/META "$(DESTDIR)$(prefix)$(OCAML_SITELIB)/$$x"; fi; done
  
  .PHONY: uninstall-meta
  uninstall-meta:
 @@ -94,9 +94,9 @@ uninstall-meta:
  
  .PHONY: install-config
  install-config:
 -	mkdir -p "`dirname \"$(prefix)$(OCAMLFIND_CONF)\"`"
 -	@if [ -f "$(prefix)$(OCAMLFIND_CONF)" ]; then echo "!!! Keeping old $(prefix)$(OCAMLFIND_CONF) !!!"; fi
 -	test -f "$(prefix)$(OCAMLFIND_CONF)" || cp findlib.conf "$(prefix)$(OCAMLFIND_CONF)"
 +	mkdir -p "`dirname \"$(DESTDIR)$(prefix)$(OCAMLFIND_CONF)\"`"
 +	@if [ -f "$(DESTDIR)$(prefix)$(OCAMLFIND_CONF)" ]; then echo "!!! Keeping old $(DESTDIR)$(prefix)$(OCAMLFIND_CONF) !!!"; fi
-+	test -f "$(DESTDIR)$(prefix)$(OCAMLFIND_CONF)" || ${BSD_INSTALL_DATA}  findlib.conf "$(DESTDIR)$(prefix)$(OCAMLFIND_CONF)"
++	test -f "$(DESTDIR)$(prefix)$(OCAMLFIND_CONF)" || ${BSD_INSTALL_DATA} findlib.conf "$(DESTDIR)$(prefix)$(OCAMLFIND_CONF)"
  
  .PHONY: uninstall-config
  uninstall-config:
diff --git a/devel/ocaml-findlib/files/patch-configure b/devel/ocaml-findlib/files/patch-configure
new file mode 100644
index 000000000000..4b41a7aba575
--- /dev/null
+++ b/devel/ocaml-findlib/files/patch-configure
@@ -0,0 +1,12 @@
+--- configure.orig	2016-11-18 13:04:45 UTC
++++ configure
+@@ -516,7 +516,8 @@ fi
+ 
+ # bytes?
+ 
+-if [ -f "${ocaml_core_stdlib}/bytes.cmi" ]; then
++if [ -f "${ocaml_core_stdlib}/bytes.cmi" -o \
++     -f "${ocaml_core_stdlib}/stdlib__bytes.cmi" ]; then
+     echo "bytes: found, installing fake library"
+     lbytes="bytes"
+     cbytes=0
diff --git a/devel/ocaml-findlib/files/patch-src_findlib_Makefile b/devel/ocaml-findlib/files/patch-src_findlib_Makefile
index 1f91a4d5ba77..ed355991105d 100644
--- a/devel/ocaml-findlib/files/patch-src_findlib_Makefile
+++ b/devel/ocaml-findlib/files/patch-src_findlib_Makefile
@@ -1,42 +1,42 @@
 --- src/findlib/Makefile.orig	2016-11-18 13:04:46 UTC
 +++ src/findlib/Makefile
 @@ -19,6 +19,7 @@ OCAMLDEP = ocamldep
  OCAMLLEX = ocamllex
  #CAMLP4O =  camlp4 pa_o.cmo pa_op.cmo pr_o.cmo --
  #CAMLP4O =  camlp4 pa_o.cmo pa_op.cmo pr_dump.cmo --
 +OCAML_LIBBIN=${PREFIX}/lib/ocaml
  
  
  OBJECTS        = findlib_config.cmo fl_split.cmo fl_metatoken.cmo fl_meta.cmo \
 @@ -119,23 +120,23 @@ clean:
  	  ocamlfind$(EXEC_SUFFIX) ocamlfind_opt$(EXEC_SUFFIX)
  
  install: all
 -	mkdir -p "$(prefix)$(OCAML_SITELIB)/$(NAME)"
 -	mkdir -p "$(prefix)$(OCAMLFIND_BIN)"
 -	test $(INSTALL_TOPFIND) -eq 0 || cp topfind "$(prefix)$(OCAML_CORE_STDLIB)"
 +	mkdir -p "$(DESTDIR)$(prefix)$(OCAML_SITELIB)/$(NAME)"
 +	mkdir -p "$(DESTDIR)$(prefix)$(OCAMLFIND_BIN)"
 +	test $(INSTALL_TOPFIND) -eq 0 || cp topfind "$(DESTDIR)$(prefix)$(OCAML_CORE_STDLIB)"
- 	files=`$(TOP)/tools/collect_files $(TOP)/Makefile.config findlib.cmi findlib.mli findlib.cma findlib.cmxa findlib.a findlib.cmxs topfind.cmi topfind.mli fl_package_base.mli fl_package_base.cmi fl_metascanner.mli fl_metascanner.cmi fl_metatoken.cmi findlib_top.cma findlib_top.cmxa findlib_top.a findlib_top.cmxs findlib_dynload.cma findlib_dynload.cmxa findlib_dynload.a findlib_dynload.cmxs fl_dynload.mli fl_dynload.cmi META` && \
+ 	files=`$(SH) $(TOP)/tools/collect_files $(TOP)/Makefile.config findlib.cmi findlib.mli findlib.cma findlib.cmxa findlib.a findlib.cmxs topfind.cmi topfind.mli fl_package_base.mli fl_package_base.cmi fl_metascanner.mli fl_metascanner.cmi fl_metatoken.cmi findlib_top.cma findlib_top.cmxa findlib_top.a findlib_top.cmxs findlib_dynload.cma findlib_dynload.cmxa findlib_dynload.a findlib_dynload.cmxs fl_dynload.mli fl_dynload.cmi META` && \
 -	cp $$files "$(prefix)$(OCAML_SITELIB)/$(NAME)"
 +	cp $$files "$(DESTDIR)$(prefix)$(OCAML_SITELIB)/$(NAME)"
  	f="ocamlfind$(EXEC_SUFFIX)"; { test -f ocamlfind_opt$(EXEC_SUFFIX) && f="ocamlfind_opt$(EXEC_SUFFIX)"; }; \
 -	cp $$f "$(prefix)$(OCAMLFIND_BIN)/ocamlfind$(EXEC_SUFFIX)"
 +	cp $$f "$(DESTDIR)$(prefix)$(OCAMLFIND_BIN)/ocamlfind$(EXEC_SUFFIX)"
  	# the following "if" block is only needed for 4.00beta2
  	if [ $(OCAML_REMOVE_DIRECTORY) -eq 0 -a -f "$(OCAML_CORE_STDLIB)/compiler-libs/topdirs.cmi" ]; then \
  	    cd "$(OCAML_CORE_STDLIB)/compiler-libs/"; \
 -	    cp topdirs.cmi toploop.cmi "$(prefix)$(OCAML_SITELIB)/$(NAME)/"; \
 +	    cp topdirs.cmi toploop.cmi "$(DESTDIR)$(prefix)$(OCAML_SITELIB)/$(NAME)/"; \
  	fi
  
  install-num-top:
 -	mkdir -p "$(prefix)$(OCAML_SITELIB)/num-top"
 +	mkdir -p "$(DESTDIR)$(prefix)$(OCAML_SITELIB)/num-top"
  	cp num_top.cma num_top.cmi num_top_printers.cmi \
 -		"$(prefix)$(OCAML_SITELIB)/num-top"
 +		"$(DESTDIR)$(prefix)$(OCAML_SITELIB)/num-top"
  
  # Note: uninstall-num-top is part of the removal of the META files.
  
diff --git a/devel/ocaml-findlib/pkg-plist b/devel/ocaml-findlib/pkg-plist
index 8d0cad0e5353..f9614c2d3703 100644
--- a/devel/ocaml-findlib/pkg-plist
+++ b/devel/ocaml-findlib/pkg-plist
@@ -1,53 +1,53 @@
 bin/ocamlfind
 bin/safe_camlp4
 %%ETCDIR%%.conf
 %%OCAML_SITELIBDIR%%/bigarray/META
 %%OCAML_SITELIBDIR%%/bytes/META
 %%OCAML_SITELIBDIR%%/camlp4/META
 %%OCAML_SITELIBDIR%%/compiler-libs/META
 %%OCAML_SITELIBDIR%%/dynlink/META
 %%OCAML_SITELIBDIR%%/findlib/META
 %%OCAML_SITELIBDIR%%/findlib/Makefile.config
 %%OCAML_SITELIBDIR%%/findlib/findlib.a
 %%OCAML_SITELIBDIR%%/findlib/findlib.cma
 %%OCAML_SITELIBDIR%%/findlib/findlib.cmi
 %%OCAML_SITELIBDIR%%/findlib/findlib.cmxa
 %%OCAML_SITELIBDIR%%/findlib/findlib.cmxs
 %%OCAML_SITELIBDIR%%/findlib/findlib.mli
 %%OCAML_SITELIBDIR%%/findlib/findlib_dynload.a
 %%OCAML_SITELIBDIR%%/findlib/findlib_dynload.cma
 %%OCAML_SITELIBDIR%%/findlib/findlib_dynload.cmxa
 %%OCAML_SITELIBDIR%%/findlib/findlib_dynload.cmxs
 %%OCAML_SITELIBDIR%%/findlib/findlib_top.a
 %%OCAML_SITELIBDIR%%/findlib/findlib_top.cma
 %%OCAML_SITELIBDIR%%/findlib/findlib_top.cmxa
 %%OCAML_SITELIBDIR%%/findlib/findlib_top.cmxs
 %%OCAML_SITELIBDIR%%/findlib/fl_dynload.cmi
 %%OCAML_SITELIBDIR%%/findlib/fl_dynload.mli
 %%OCAML_SITELIBDIR%%/findlib/fl_metascanner.cmi
 %%OCAML_SITELIBDIR%%/findlib/fl_metascanner.mli
 %%OCAML_SITELIBDIR%%/findlib/fl_metatoken.cmi
 %%OCAML_SITELIBDIR%%/findlib/fl_package_base.cmi
 %%OCAML_SITELIBDIR%%/findlib/fl_package_base.mli
 %%TOOLBOX%%%%OCAML_SITELIBDIR%%/findlib/make_wizard
 %%TOOLBOX%%%%OCAML_SITELIBDIR%%/findlib/make_wizard.pattern
 %%OCAML_SITELIBDIR%%/findlib/topfind.cmi
 %%OCAML_SITELIBDIR%%/findlib/topfind.mli
 %%OCAML_SITELIBDIR%%/graphics/META
 %%TOOLBOX%%%%OCAML_SITELIBDIR%%/labltk/META
-%%OCAML_SITELIBDIR%%/num-top/META
-%%OCAML_SITELIBDIR%%/num-top/num_top.cma
-%%OCAML_SITELIBDIR%%/num-top/num_top.cmi
-%%OCAML_SITELIBDIR%%/num-top/num_top_printers.cmi
-%%OCAML_SITELIBDIR%%/num/META
+%%NUM%%%%OCAML_SITELIBDIR%%/num-top/META
+%%NUM%%%%OCAML_SITELIBDIR%%/num-top/num_top.cma
+%%NUM%%%%OCAML_SITELIBDIR%%/num-top/num_top.cmi
+%%NUM%%%%OCAML_SITELIBDIR%%/num-top/num_top_printers.cmi
+%%NUM%%%%OCAML_SITELIBDIR%%/num/META
 %%OCAML_SITELIBDIR%%/ocamldoc/META
 %%OCAML_SITELIBDIR%%/raw_spacetime/META
 %%OCAML_SITELIBDIR%%/stdlib/META
 %%OCAML_SITELIBDIR%%/str/META
 %%OCAML_SITELIBDIR%%/threads/META
 %%OCAML_SITELIBDIR%%/unix/META
 lib/ocaml/topfind
 man/man1/ocamlfind.1.gz
 man/man5/META.5.gz
 man/man5/findlib.conf.5.gz
 man/man5/site-lib.5.gz