Fix build on MacOS-X 10.14: missing Xerces include dir

This undoes most of the Xerces related part of the commits listed below.
The issue resolved here is that the Xerces include dir *is* set in the
CMakeLists.txt of src/Base, but it got removed from various App and Gui
dirs in src/Mod. If those now include a header from src/Base, which
itself includes xercesc, the build fails using Apple clang version 11.0.0
(clang-1100.0.33.17) on Mojave, configured using cmake 3.22.1, with
errors like the following:

In file included from .../src/Mod/Part/App/FeaturePartBoolean.cpp:34:
In file included from .../src/App/Application.h:33:
.../src/Base/Parameter.h:54:10: fatal error: 'xercesc/util/XercesDefs.hpp' file not found
 #include <xercesc/util/XercesDefs.hpp>
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

Finally, a full list of the commits that introduced this spurious include
dir optimization for reference:
- Drawing: commit f4411478d106ba9f4827754a50efa53bd7767a66
- Image: commit e3476815c04c571199779bd1e444b950e6398025
- Import: commit b7b264e52c8fd97e83987c4ce42ce563170c8918
- Inspection: commit 1f64d8b1b8fcabe983c6e5e624d65766b4429ea0
- Mesh: commit 5a8fed0720d681cdbb9fedc840d2532c4f2f6042
- Part: commit 26bb65f11f4b51e5e47b65b2d6049ece10705a83
- PartDesign: commit f4e49f2aecf08f2337e84510ed019b7fa4b685a3
- Path: commit e3d9cc98577d2073297d55ffd8de28dd50f8444c
- Points: commit 09f3e867cdccd31294cced4e3c73015d3add3f4a
- Raytracing: commit 7b92dedc53f09e2ce8365408f3003e5700aebfc8
- ReverseEnginering: commit eeacc51ad0cd82e5f17d63207f78f79eb20bf9a9
- Robot: commit 4d06684cbd0328e4f43c78b5dab7e7fcebab148d
- Sketcher: commit 079125665495a08a7e2e2a4f01da406128dca625
- Spreadsheet: commit 514097954e95c04a7ec9d7e8ec1afc3aac3dd8d
- Start: commit 2ea2bb0dc393d7b8b41e9137c6d4ae40ce29719d
- Surface: commit 272268dd6c0b460ae9aeecdf371495ea26aa044d
- TechDraw: commit c70fdc3e0aa6b409626a6fa6b7266d05f3338c6d
- Test: commit 49a07b121e08e9bf3fef0f414a8da5602533592e
- Web: commit a93a23d7e4da13b2d5c37ac087b2dcf41aae197d

src/Mod/Drawing/App/CMakeLists.txt

@@ -10,6 +10,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 link_directories(${OCC_LIBRARY_DIR})
 

src/Mod/Drawing/Gui/CMakeLists.txt

@@ -13,6 +13,7 @@ include_directories(
     ${PYTHON_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 link_directories(${OCC_LIBRARY_DIR})
 

src/Mod/Image/Gui/CMakeLists.txt

@@ -11,6 +11,7 @@ include_directories(
     ${OPENCV2_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 if(MSVC)

src/Mod/Import/App/CMakeLists.txt

@@ -8,11 +8,12 @@ endif(MSVC)
 include_directories(
     ${CMAKE_BINARY_DIR}
     ${CMAKE_CURRENT_BINARY_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
-    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/Import/Gui/CMakeLists.txt

@@ -12,6 +12,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${COIN3D_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
     ${PYTHON_INCLUDE_DIRS}
 )
 

src/Mod/Inspection/App/CMakeLists.txt

@@ -12,6 +12,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/Inspection/Gui/CMakeLists.txt

@@ -4,6 +4,7 @@ include_directories(
     ${Boost_INCLUDE_DIRS}
     ${COIN3D_INCLUDE_DIRS}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
 )
 

src/Mod/Mesh/App/CMakeLists.txt

@@ -8,6 +8,7 @@ include_directories(
     ${CMAKE_SOURCE_DIR}/src/3rdParty/libkdtree
     ${Boost_INCLUDE_DIRS}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${EIGEN3_INCLUDE_DIR}
 )

src/Mod/Mesh/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}/Inventor/annex
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 if(MSVC)

src/Mod/Part/App/CMakeLists.txt

@@ -17,6 +17,7 @@ include_directories(
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${FREETYPE_INCLUDE_DIRS}
 )

src/Mod/Part/Gui/CMakeLists.txt

@@ -13,6 +13,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
 )
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/PartDesign/App/CMakeLists.txt

@@ -14,6 +14,7 @@ include_directories(
     ${QT_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${QT_INCLUDE_DIR}
 )
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/PartDesign/Gui/CMakeLists.txt

@@ -13,6 +13,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${EIGEN3_INCLUDE_DIR}
 )
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/Path/App/CMakeLists.txt

@@ -18,6 +18,7 @@ include_directories(
     ${EIGEN3_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 link_directories(${OCC_LIBRARY_DIR})
 

src/Mod/Path/Gui/CMakeLists.txt

@@ -14,6 +14,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${EIGEN3_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/Points/App/CMakeLists.txt

@@ -8,6 +8,7 @@ include_directories(
     ${Boost_INCLUDE_DIRS}
     ${EIGEN3_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${CMAKE_BINARY_DIR}/src/3rdParty/libE57Format
     ${CMAKE_SOURCE_DIR}/src/3rdParty/libE57Format/include

src/Mod/Points/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ include_directories(
     ${EIGEN3_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 set(PointsGui_LIBS

src/Mod/Raytracing/App/CMakeLists.txt

@@ -11,6 +11,7 @@ include_directories(
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
 )
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/Raytracing/Gui/CMakeLists.txt

@@ -14,6 +14,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 link_directories(${OCC_LIBRARY_DIR})
 

src/Mod/ReverseEngineering/App/CMakeLists.txt

@@ -29,6 +29,7 @@ include_directories(
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${EIGEN3_INCLUDE_DIR}
     ${PCL_INCLUDE_DIRS}

src/Mod/ReverseEngineering/Gui/CMakeLists.txt

@@ -13,6 +13,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 link_directories(${OCC_LIBRARY_DIR})
 

src/Mod/Robot/App/CMakeLists.txt

@@ -15,6 +15,7 @@ include_directories(
     ${EIGEN3_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 link_directories(${OCC_LIBRARY_DIR})
 

src/Mod/Robot/Gui/CMakeLists.txt

@@ -16,6 +16,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${EIGEN3_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 link_directories(${OCC_LIBRARY_DIR})
 

src/Mod/Sketcher/App/CMakeLists.txt

@@ -24,6 +24,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${EIGEN3_INCLUDE_DIR}
 )
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/Sketcher/Gui/CMakeLists.txt

@@ -14,6 +14,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${PYTHON_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
     ${EIGEN3_INCLUDE_DIR}
 )
 link_directories(${OCC_LIBRARY_DIR})

src/Mod/Spreadsheet/App/CMakeLists.txt

@@ -8,6 +8,7 @@ include_directories(
     ${PYTHON_INCLUDE_DIRS}
     ${Boost_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 set(Spreadsheet_LIBS

src/Mod/Spreadsheet/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 generate_from_xml(ViewProviderSpreadsheetPy)

src/Mod/Start/Gui/CMakeLists.txt

@@ -4,6 +4,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 set(StartGui_LIBS

src/Mod/Surface/App/CMakeLists.txt

@@ -14,6 +14,7 @@ include_directories(
   ${OCC_INCLUDE_DIR}
   ${PYTHON_INCLUDE_DIRS}
   ${ZLIB_INCLUDE_DIR}
+  ${XercesC_INCLUDE_DIRS}
   ${FREETYPE_INCLUDE_DIRS}
 )
 

src/Mod/Surface/Gui/CMakeLists.txt

@@ -14,6 +14,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
 )
 

src/Mod/TechDraw/App/CMakeLists.txt

@@ -15,6 +15,7 @@ include_directories(
     ${OCC_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
     ${QT_QTCORE_INCLUDE_DIR}
 )
 

src/Mod/TechDraw/Gui/CMakeLists.txt

@@ -23,6 +23,7 @@ include_directories(
     ${PYTHON_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 if(BUILD_QT5)

src/Mod/Test/Gui/CMakeLists.txt

@@ -3,6 +3,7 @@ include_directories(
     ${CMAKE_SOURCE_DIR}/src
     ${Boost_INCLUDE_DIRS}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 set(TestGui_LIBS

src/Mod/Web/Gui/CMakeLists.txt

@@ -4,6 +4,7 @@ include_directories(
     ${COIN3D_INCLUDE_DIRS}
     ${ZLIB_INCLUDE_DIR}
     ${PYTHON_INCLUDE_DIRS}
+    ${XercesC_INCLUDE_DIRS}
 )
 
 if (Qt5WebEngineWidgets_FOUND)