diff --git a/cmake/dotnet.cmake b/cmake/dotnet.cmake
index a492ede071..5341c72d2e 100644
--- a/cmake/dotnet.cmake
+++ b/cmake/dotnet.cmake
@@ -2,9 +2,68 @@ if(NOT BUILD_DOTNET)
   return()
 endif()
 
+if(NOT TARGET ortools::ortools)
+  message(FATAL_ERROR "Java: missing ortools TARGET")
+endif()
+
 find_package(SWIG)
+include(UseSWIG)
+
+# Generate Protobuf .Net sources
+set(PROTO_DOTNETS)
+file(GLOB_RECURSE proto_dotnet_files RELATIVE ${PROJECT_SOURCE_DIR}
+  "ortools/constraint_solver/*.proto"
+  "ortools/linear_solver/*.proto"
+  "ortools/sat/*.proto"
+  "ortools/util/*.proto"
+  )
+list(REMOVE_ITEM proto_dotnet_files "ortools/constraint_solver/demon_profiler.proto")
+foreach(PROTO_FILE ${proto_dotnet_files})
+  #message(STATUS "protoc proto(dotnet): ${PROTO_FILE}")
+  get_filename_component(PROTO_DIR ${PROTO_FILE} DIRECTORY)
+  get_filename_component(PROTO_NAME ${PROTO_FILE} NAME_WE)
+  set(PROTO_DOTNET ${PROJECT_BINARY_DIR}/${PROTO_DIR}/${PROTO_NAME}.pb.cs)
+  #message(STATUS "protoc dotnet: ${PROTO_DOTNET}")
+  add_custom_command(
+    OUTPUT ${PROTO_DOTNET}
+    COMMAND protobuf::protoc
+    "--proto_path=${PROJECT_SOURCE_DIR}"
+    "--csharp_out=${PROJECT_BINARY_DIR}"
+    "--csharp_opt=file_extension=.pb.cs"
+    ${PROTO_FILE}
+    DEPENDS ${PROTO_FILE} protobuf::protoc
+    COMMENT "Running C++ protocol buffer compiler on ${PROTO_FILE}"
+    VERBATIM)
+  list(APPEND PROTO_DOTNETS ${PROTO_DOTNET})
+endforeach()
+add_custom_target(Dotnet${PROJECT_NAME}_proto DEPENDS ${PROTO_DOTNETS} ortools::ortools)
+
+# Setup Dotnet
 find_program (DOTNET_CLI NAMES dotnet)
 
+# CMake will remove all '-D' prefix (i.e. -DUSE_FOO become USE_FOO)
+#get_target_property(FLAGS ortools::ortools COMPILE_DEFINITIONS)
+set(FLAGS -DUSE_BOP -DUSE_GLOP -DABSL_MUST_USE_RESULT)
+if(USE_COINOR)
+  list(APPEND FLAGS
+     "-DUSE_CBC"
+     "-DUSE_CLP"
+  )
+endif()
+list(APPEND CMAKE_SWIG_FLAGS ${FLAGS} "-I${PROJECT_SOURCE_DIR}")
+
+foreach(SUBPROJECT constraint_solver linear_solver sat graph algorithms data)
+  #add_subdirectory(ortools/${SUBPROJECT}/csharp)
+endforeach()
+
+# Main Target
+add_custom_target(dotnet_package ALL
+  DEPENDS ${PROJECT_NAME}.csproj
+  COMMAND ${CMAKE_COMMAND} -E remove_directory packages
+  COMMAND ${DOTNET_CLI} package ${PROJECT_NAME}.csproj
+  )
+
+# Test
 if(BUILD_TESTING)
   add_subdirectory(examples/dotnet)
 endif()
diff --git a/cmake/java.cmake b/cmake/java.cmake
index 39619dbd87..0020729268 100644
--- a/cmake/java.cmake
+++ b/cmake/java.cmake
@@ -2,14 +2,68 @@ if(NOT BUILD_JAVA)
   return()
 endif()
 
-find_package(SWIG REQUIRED)
-find_package(JAVA REQUIRED)
-find_package(JNI REQUIRED)
-
 if(NOT TARGET ortools::ortools)
   message(FATAL_ERROR "Java: missing ortools TARGET")
 endif()
 
+find_package(SWIG REQUIRED)
+include(UseSWIG)
+
+# Generate Protobuf java sources
+set(PROTO_JAVAS)
+file(GLOB_RECURSE proto_java_files RELATIVE ${PROJECT_SOURCE_DIR}
+  "ortools/constraint_solver/*.proto"
+  "ortools/linear_solver/*.proto"
+  "ortools/sat/*.proto"
+  "ortools/util/*.proto"
+  )
+list(REMOVE_ITEM proto_java_files "ortools/constraint_solver/demon_profiler.proto")
+foreach(PROTO_FILE ${proto_java_files})
+  #message(STATUS "protoc proto(java): ${PROTO_FILE}")
+  get_filename_component(PROTO_DIR ${PROTO_FILE} DIRECTORY)
+  get_filename_component(PROTO_NAME ${PROTO_FILE} NAME_WE)
+  set(PROTO_JAVA ${PROJECT_BINARY_DIR}/java/com/google/${PROTO_DIR}/${PROTO_NAME}.java)
+  #message(STATUS "protoc java: ${PROTO_JAVA}")
+  add_custom_command(
+    OUTPUT ${PROTO_JAVA}
+    COMMAND protobuf::protoc
+    "--proto_path=${PROJECT_SOURCE_DIR}"
+    "--java_out=${PROJECT_BINARY_DIR}/java"
+    ${PROTO_FILE}
+    DEPENDS ${PROTO_FILE} protobuf::protoc
+    COMMENT "Running C++ protocol buffer compiler on ${PROTO_FILE}"
+    VERBATIM)
+  list(APPEND PROTO_JAVAS ${PROTO_JAVA})
+endforeach()
+add_custom_target(Java${PROJECT_NAME}_proto DEPENDS ${PROTO_JAVAS} ortools::ortools)
+
+# Setup Java
+find_package(JAVA 1.8 REQUIRED COMPONENTS Development)
+find_package(JNI REQUIRED)
+
+# CMake will remove all '-D' prefix (i.e. -DUSE_FOO become USE_FOO)
+#get_target_property(FLAGS ortools::ortools COMPILE_DEFINITIONS)
+set(FLAGS -DUSE_BOP -DUSE_GLOP -DABSL_MUST_USE_RESULT)
+if(USE_COINOR)
+  list(APPEND FLAGS
+     "-DUSE_CBC"
+     "-DUSE_CLP"
+  )
+endif()
+list(APPEND CMAKE_SWIG_FLAGS ${FLAGS} "-I${PROJECT_SOURCE_DIR}")
+
+foreach(SUBPROJECT constraint_solver linear_solver sat graph algorithms data)
+  #add_subdirectory(ortools/${SUBPROJECT}/java)
+endforeach()
+
+# Main Target
+add_custom_target(java_package ALL
+  DEPENDS pom.xml
+  COMMAND ${CMAKE_COMMAND} -E remove_directory dist
+  COMMAND ${Java_JAVAC_EXECUTABLE} pom.xml
+  )
+
+# Test
 if(BUILD_TESTING)
   add_subdirectory(examples/java)
 endif()
diff --git a/cmake/python.cmake b/cmake/python.cmake
index 083558263e..a3f345d12a 100644
--- a/cmake/python.cmake
+++ b/cmake/python.cmake
@@ -53,7 +53,13 @@ endif()
 
 # CMake will remove all '-D' prefix (i.e. -DUSE_FOO become USE_FOO)
 #get_target_property(FLAGS ortools::ortools COMPILE_DEFINITIONS)
-set(FLAGS -DUSE_BOP -DUSE_GLOP -DUSE_CBC -DUSE_CLP -DMUST_USE_RESULT)
+set(FLAGS -DUSE_BOP -DUSE_GLOP -DABSL_MUST_USE_RESULT)
+if(USE_COINOR)
+  list(APPEND FLAGS
+     "-DUSE_CBC"
+     "-DUSE_CLP"
+  )
+endif()
 list(APPEND CMAKE_SWIG_FLAGS ${FLAGS} "-I${PROJECT_SOURCE_DIR}")
 
 foreach(SUBPROJECT constraint_solver linear_solver sat graph algorithms data)
@@ -167,10 +173,11 @@ function(search_python_module MODULE_NAME)
 endfunction()
 
 # Look for python module wheel
+search_python_module(setuptools)
 search_python_module(wheel)
 
 # Main Target
-add_custom_target(bdist ALL
+add_custom_target(python_package ALL
   DEPENDS setup.py Py${PROJECT_NAME}_proto
   COMMAND ${CMAKE_COMMAND} -E remove_directory dist
   COMMAND ${PYTHON_EXECUTABLE} setup.py bdist bdist_wheel
@@ -189,7 +196,7 @@ if(BUILD_TESTING)
     set(VENV_BIN_DIR ${VENV_DIR}/bin)
   endif()
   # make a virtualenv to install our python package in it
-  add_custom_command(TARGET bdist POST_BUILD
+  add_custom_command(TARGET python_package POST_BUILD
     COMMAND ${VENV_EXECUTABLE} -p ${PYTHON_EXECUTABLE} ${VENV_DIR}
     COMMAND ${VENV_BIN_DIR}/python setup.py install
     COMMAND ${CMAKE_COMMAND} -E copy
diff --git a/ortools/constraint_solver/python/CMakeLists.txt b/ortools/constraint_solver/python/CMakeLists.txt
index ee66551a53..da2ae8a4aa 100644
--- a/ortools/constraint_solver/python/CMakeLists.txt
+++ b/ortools/constraint_solver/python/CMakeLists.txt
@@ -1,10 +1,4 @@
-# Setup SWIG
-find_package(SWIG REQUIRED)
-include(UseSWIG)
-
-# Setup Python
-find_package(PythonInterp REQUIRED)
-find_package(PythonLibs REQUIRED)
+# depends on cmake/python.cmake
 
 set_property(SOURCE routing.i PROPERTY CPLUSPLUS ON)
 list(APPEND CMAKE_SWIG_FLAGS "-module;pywrapcp")