[mathgl] missing internal dep (#31013)

Co-authored-by: jimwang118 https://github.com/jimwang118

ports/mathgl/fix-include-property.patch

@@ -0,0 +1,14 @@
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index d44125c..1ad17a1 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -53,6 +53,9 @@ generate_export_header(mgl EXPORT_FILE_NAME ../include/mgl2/dllexport.h)
+ target_link_libraries(mgl ${MGL_DEP_LIBS})
+ target_link_libraries(mgl-static ${MGL_DEP_LIBS})
+ 
++target_include_directories(mgl PUBLIC $<INSTALL_INTERFACE:include>)
++target_include_directories(mgl-static PUBLIC $<INSTALL_INTERFACE:include>)
++
+ mgl_po_src(${mgl_src} ${mgl_hdr})
+ 
+ if(MGL_HAVE_MPI)

ports/mathgl/portfile.cmake

@@ -15,6 +15,7 @@ vcpkg_from_sourceforge(
         fix-format-specifiers.patch
         fix-glut.patch
         fix-mgllab.patch
+        fix-include-property.patch
 )
 file(REMOVE_RECURSE "${SOURCE_PATH}/addons/getopt")
 

ports/mathgl/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "mathgl",
   "version": "8.0.1",
+  "port-version": 1,
   "description": "MathGL is a free library of fast C++ routines for the plotting of the data varied in one or more dimensions",
   "license": "GPL-3.0-only",
   "supports": "!uwp",
@@ -98,7 +99,14 @@
     "png": {
       "description": "png module",
       "dependencies": [
-        "libpng"
+        "libpng",
+        {
+          "name": "mathgl",
+          "default-features": false,
+          "features": [
+            "zlib"
+          ]
+        }
       ]
     },
     "qt5": {

versions/baseline.json

@@ -5046,7 +5046,7 @@
     },
     "mathgl": {
       "baseline": "8.0.1",
-      "port-version": 0
+      "port-version": 1
     },
     "matio": {
       "baseline": "1.5.23",

versions/m-/mathgl.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "edd98363d2569c9ef358506313ce110045708f6a",
+      "version": "8.0.1",
+      "port-version": 1
+    },
     {
       "git-tree": "8fd2208b95f6ebc6f17a30cc79c3b57b1a8bcfb7",
       "version": "8.0.1",