diff --git a/gis/cgal4/Portfile b/gis/cgal4/Portfile
index f5f785e3d47..06871ac3d73 100644
--- a/gis/cgal4/Portfile
+++ b/gis/cgal4/Portfile
@@ -16,10 +16,8 @@ long_description    The goal of the ${description} is to provide easy access to\
                     molecular biology, medical imaging, robotics and\
                     motion planning, mesh generation, numerical methods...
 
-platforms           darwin
-
 github.setup        CGAL cgal 4.14.3 releases/CGAL-
-revision            2
+revision            3
 checksums           rmd160  c297a51c63a8161000d91128628d8c20ffdbf487 \
                     sha256  5bafe7abe8435beca17a1082062d363368ec1e3f0d6581bb0da8b010fb389fe4 \
                     size    15618196
@@ -33,7 +31,13 @@ maintainers         {vince @Veence}
 use_xz              yes
 distname            CGAL-${version}
 
-homepage            http://www.cgal.org/
+homepage            https://www.cgal.org
+
+# Backport a compile fix from CGAL 5.5.5 to CGAL 4.14
+# https://trac.macports.org/ticket/73166
+# https://github.com/CGAL/cgal/issues/8313
+patchfiles-append   patch-CGAL_4_14_3_boost_graph_iterator_h.diff
+patch.pre_args      -p1
 
 boost.version       1.76
 
diff --git a/gis/cgal4/files/patch-CGAL_4_14_3_boost_graph_iterator_h.diff b/gis/cgal4/files/patch-CGAL_4_14_3_boost_graph_iterator_h.diff
new file mode 100644
index 00000000000..295f30ccd45
--- /dev/null
+++ b/gis/cgal4/files/patch-CGAL_4_14_3_boost_graph_iterator_h.diff
@@ -0,0 +1,63 @@
+# Backport a compile fix from CGAL 5.5.5 to CGAL 4.14
+# https://trac.macports.org/ticket/73166
+# https://github.com/CGAL/cgal/issues/8313
+
+--- CGAL-4.14.3/include/CGAL/boost/graph/iterator.h.orig	2020-02-22 13:04:12
++++ CGAL-4.14.3/include/CGAL/boost/graph/iterator.h	2025-12-23 12:28:16
+@@ -222,18 +222,6 @@
+   {}
+ 
+ #ifndef DOXYGEN_RUNNING
+-  // design patter: "safe bool"
+-  // will be replaced by explicit operator bool with C++11
+-  typedef void (Halfedge_around_source_iterator::*bool_type)() const;
+-
+-  void this_type_does_not_support_comparisons() const {}
+-
+-  operator bool_type() const
+-  {
+-    return (! (this->base() == NULL)) ?
+-      &Halfedge_around_source_iterator::this_type_does_not_support_comparisons : 0;
+-  }
+-
+   bool operator==( const Self& i) const {
+     CGAL_assertion( anchor == anchor);
+     return  ( g == i.g) && ( pos == i.pos) && ( winding == i.winding);
+@@ -322,18 +310,6 @@
+   {}
+ 
+ #ifndef DOXYGEN_RUNNING
+-  // design patter: "safe bool"
+-  // will be replaced by explicit operator bool with C++11
+-  typedef void (Halfedge_around_target_iterator::*bool_type)() const;
+-
+-  void this_type_does_not_support_comparisons() const {}
+-
+-  operator bool_type() const
+-  {
+-    return (! (this->base() == NULL)) ?
+-      &Halfedge_around_target_iterator::this_type_does_not_support_comparisons : 0;
+-  }
+-
+   bool operator==( const Self& i) const {
+     CGAL_assertion( anchor == anchor);
+     return  ( g == i.g) && ( pos == i.pos) && ( winding == i.winding);
+@@ -421,18 +397,6 @@
+   pointer           operator -> ( )       { return &pos; }
+   const value_type* operator -> ( ) const { return &pos; }
+ 
+-  // design patter: "safe bool"
+-  // will be replaced by explicit operator bool with C++11
+-  typedef void (Halfedge_around_face_iterator::*bool_type)() const;
+-
+-  void this_type_does_not_support_comparisons() const {}
+-
+-  operator bool_type() const
+-  {
+-    return (! (this->base() == NULL)) ?
+-      &Halfedge_around_face_iterator::this_type_does_not_support_comparisons : 0;
+-  }
+-
+   bool operator==( const Self& i) const {
+     CGAL_assertion( anchor == anchor);
+     return  ( g == i.g) && ( pos == i.pos) && ( winding == i.winding);