diff --git a/contrib/hstore_plperl/Makefile b/contrib/hstore_plperl/Makefile
index 19a8ab4..603ef52 100644
--- a/contrib/hstore_plperl/Makefile
+++ b/contrib/hstore_plperl/Makefile
@@ -30,6 +30,10 @@ override CPPFLAGS += -DPLPERL_HAVE_UID_GID -Wno-comment
 SHLIB_LINK += ../hstore/libhstore.a $(wildcard ../../src/pl/plperl/libperl*.a)
 endif
 
+ifeq ($(PORTNAME), cygwin)
+SHLIB_LINK += -L../hstore -l hstore $(perl_embed_ldflags)
+endif
+
 # As with plperl we need to make sure that the CORE directory is included
 # last, probably because it sometimes contains some header files with names
 # that clash with some of ours, or with some that we include, notably on
diff --git a/contrib/hstore_plpython/Makefile b/contrib/hstore_plpython/Makefile
index 6ee434b..dfff0fd 100644
--- a/contrib/hstore_plpython/Makefile
+++ b/contrib/hstore_plpython/Makefile
@@ -28,6 +28,12 @@ ifeq ($(PORTNAME), win32)
 SHLIB_LINK += ../hstore/libhstore.a $(wildcard ../../src/pl/plpython/libpython*.a) $(wildcard ../../src/pl/plpython/libplpython*.a)
 endif
 
+ifeq ($(PORTNAME), cygwin)
+SHLIB_LINK += -L../hstore -lhstore -L../../src/pl/plpython \
+	-lplpython$(python_majorversion) $(python_libspec)
+endif
+
+
 REGRESS_OPTS += --load-extension=hstore
 ifeq ($(python_majorversion),2)
 REGRESS_OPTS += --load-extension=plpythonu --load-extension=hstore_plpythonu
diff --git a/contrib/ltree_plpython/Makefile b/contrib/ltree_plpython/Makefile
index 64ca127..423e302 100644
--- a/contrib/ltree_plpython/Makefile
+++ b/contrib/ltree_plpython/Makefile
@@ -28,6 +28,11 @@ ifeq ($(PORTNAME), win32)
 SHLIB_LINK += $(wildcard ../../src/pl/plpython/libpython*.a)
 endif
 
+ifeq ($(PORTNAME), cygwin)
+SHLIB_LINK += -L../ltree -lltree -L../../src/pl/plpython \
+	-lplpython$(python_majorversion) $(python_libspec)
+endif
+
 REGRESS_OPTS += --load-extension=ltree
 ifeq ($(python_majorversion),2)
 REGRESS_OPTS += --load-extension=plpythonu --load-extension=ltree_plpythonu