+ compile with clang

src/Mod/Drawing/App/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}
     ${ZLIB_INCLUDE_DIR}

src/Mod/Drawing/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/Fem/App/CMakeLists.txt

@@ -10,6 +10,7 @@ endif(FREECAD_BUILD_FEM_NETGEN)
 
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_BINARY_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}

src/Mod/Fem/Gui/CMakeLists.txt

@@ -9,6 +9,7 @@ if(FREECAD_BUILD_FEM_NETGEN)
 endif(FREECAD_BUILD_FEM_NETGEN)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/Import/App/CMakeLists.txt

@@ -6,6 +6,7 @@ endif(MSVC)
 
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}

src/Mod/Import/Gui/CMakeLists.txt

@@ -6,6 +6,7 @@ endif(MSVC)
 
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}

src/Mod/Inspection/App/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_CURRENT_BINARY_DIR}
     ${CMAKE_CURRENT_SOURCE_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/MeshPart/Gui/CMakeLists.txt

@@ -13,6 +13,7 @@ if(FREECAD_BUILD_FEM_NETGEN)
 endif(FREECAD_BUILD_FEM_NETGEN)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/Part/App/CMakeLists.txt

@@ -9,6 +9,7 @@ if(FREETYPE_FOUND)
 endif(FREETYPE_FOUND)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_BINARY_DIR}/src
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}

src/Mod/Part/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_BINARY_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}

src/Mod/PartDesign/App/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${Boost_INCLUDE_DIRS}
     ${OCC_INCLUDE_DIR}

src/Mod/PartDesign/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/Raytracing/App/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/Raytracing/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_BINARY_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}

src/Mod/ReverseEngineering/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/Robot/App/CMakeLists.txt

@@ -6,6 +6,7 @@ endif(MSVC)
 
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_BINARY_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}

src/Mod/Robot/Gui/CMakeLists.txt

@@ -7,6 +7,7 @@ endif(MSVC)
 
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}
     ${Boost_INCLUDE_DIRS}

src/Mod/Sketcher/App/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_CURRENT_SOURCE_DIR}
     ${CMAKE_CURRENT_BINARY_DIR}

src/Mod/Sketcher/Gui/CMakeLists.txt

@@ -5,6 +5,7 @@ else(MSVC)
 endif(MSVC)
 
 include_directories(
+    ${CMAKE_BINARY_DIR}
     ${CMAKE_SOURCE_DIR}/src
     ${CMAKE_BINARY_DIR}/src
     ${CMAKE_CURRENT_BINARY_DIR}