diff --git a/cad/opencascade/Makefile b/cad/opencascade/Makefile
index 5a20e566f954..a15721f8194d 100644
--- a/cad/opencascade/Makefile
+++ b/cad/opencascade/Makefile
@@ -77,6 +77,12 @@ DOXYGEN_RUN_DEPENDS=	${LOCALBASE}/www/MathJax/MathJax.js:www/mathjax
 
 .include <bsd.port.options.mk>
 
+.if ${ARCH} == "i386"
+BITS=	32
+.else
+BITS=	64
+.endif
+
 pre-everything::
 	@${ECHO_MSG}
 	@${ECHO_MSG} "Warning: to build OpenCascade, you should have at least"
diff --git a/cad/opencascade/files/patch-inc_Standard__Time.hxx b/cad/opencascade/files/patch-inc_Standard__Time.hxx
new file mode 100644
index 000000000000..da5d643ee503
--- /dev/null
+++ b/cad/opencascade/files/patch-inc_Standard__Time.hxx
@@ -0,0 +1,19 @@
+--- inc/Standard_Time.hxx.orig	2016-11-25 09:52:28 UTC
++++ inc/Standard_Time.hxx
+@@ -26,11 +26,11 @@
+ // ------------------------------------------------------------------
+ // IsEqual : Returns Standard_True if two time values are equal
+ // ------------------------------------------------------------------
+-inline Standard_Boolean IsEqual (const Standard_Time theOne,
+-                                 const Standard_Time theTwo)
+-{
+-  return theOne == theTwo;
+-}
++//inline Standard_Boolean IsEqual (const Standard_Time theOne,
++//                                 const Standard_Time theTwo)
++//{
++//  return theOne == theTwo;
++//}
+ 
+ #endif
+ 
diff --git a/cad/opencascade/files/patch-src_Standard_Standard__Time.hxx b/cad/opencascade/files/patch-src_Standard_Standard__Time.hxx
new file mode 100644
index 000000000000..5c37426134c9
--- /dev/null
+++ b/cad/opencascade/files/patch-src_Standard_Standard__Time.hxx
@@ -0,0 +1,19 @@
+--- src/Standard/Standard_Time.hxx.orig	2016-11-25 09:52:28 UTC
++++ src/Standard/Standard_Time.hxx
+@@ -26,11 +26,11 @@
+ // ------------------------------------------------------------------
+ // IsEqual : Returns Standard_True if two time values are equal
+ // ------------------------------------------------------------------
+-inline Standard_Boolean IsEqual (const Standard_Time theOne,
+-                                 const Standard_Time theTwo)
+-{
+-  return theOne == theTwo;
+-}
++//inline Standard_Boolean IsEqual (const Standard_Time theOne,
++//                                 const Standard_Time theTwo)
++//{
++//  return theOne == theTwo;
++//}
+ 
+ #endif
+ 
diff --git a/cad/opencascade/pkg-plist b/cad/opencascade/pkg-plist
index 65cfd8cc11d9..0d72d96ef000 100644
--- a/cad/opencascade/pkg-plist
+++ b/cad/opencascade/pkg-plist
@@ -1,6 +1,6 @@
 %%OCCROOT%%/bin/DRAWEXE
 %%OCCROOT%%/bin/custom.sh
-%%OCCROOT%%/bin/custom_%%CC%%_64.sh
+%%OCCROOT%%/bin/custom_%%CC%%_%%BITS%%.sh
 %%OCCROOT%%/bin/draw.sh
 %%OCCROOT%%/bin/env.sh
 %%OCCROOT%%/data/iges/bearing.iges