Fix Go cmake

CMakeLists.txt

@@ -130,14 +130,37 @@ if(WITH_GPU)
 endif(WITH_GPU)
 
 add_subdirectory(proto)
-add_subdirectory(paddle)
-add_subdirectory(python)
 
+# "add_subdirectory(paddle)" and "add_subdirectory(python)" should be
+# placed after this block, because they depends on it.
 if(WITH_GOLANG)
-    #TODO (add go/master/c back when fixed)
+  # we need to symlink Paddle directory into GOPATH. If we
+  # don't do it and we have code that depends on Paddle, go
+  # get ./... will download a new Paddle repo from Github,
+  # without the changes in our current Paddle repo that we
+  # want to build.
+  set(GOPATH "${CMAKE_CURRENT_BINARY_DIR}/go")
+  file(MAKE_DIRECTORY ${GOPATH})
+  set(PADDLE_IN_GOPATH "${GOPATH}/src/github.com/PaddlePaddle/Paddle")
+  add_custom_target(go_path)
+  add_custom_command(TARGET go_path
+    # Symlink Paddle directory into GOPATH
+    COMMAND mkdir -p ${PADDLE_IN_GOPATH}
+    COMMAND rm -rf ${PADDLE_IN_GOPATH}
+    COMMAND ln -sf ${CMAKE_SOURCE_DIR} ${PADDLE_IN_GOPATH}
+    # Automatically get all dependencies specified in the source code
+    # We can't run `go get -d ./...` for every target, because
+    # multiple `go get` can not run concurrently, but make need to be
+    # able to run with multiple jobs.
+    COMMAND env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} get -d ./go/...
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+  )
+  add_subdirectory(go/master/c)
   add_subdirectory(go/pserver/cclient)
 endif(WITH_GOLANG)
 
+add_subdirectory(paddle)
+add_subdirectory(python)
 if(WITH_DOC)
     add_subdirectory(doc)
 endif()

cmake/generic.cmake

@@ -253,10 +253,6 @@ function(nv_test TARGET_NAME)
   endif()
 endfunction(nv_test)
 
-set(GOPATH "${CMAKE_CURRENT_BINARY_DIR}/go")
-file(MAKE_DIRECTORY ${GOPATH})
-set(PADDLE_IN_GOPATH "${GOPATH}/src/github.com/PaddlePaddle/Paddle")
-
 function(go_library TARGET_NAME)
   set(options STATIC static SHARED shared)
   set(oneValueArgs "")
@@ -265,10 +261,10 @@ function(go_library TARGET_NAME)
 
   if (go_library_SHARED OR go_library_shared)
     set(BUILD_MODE "-buildmode=c-shared")
-    set(LIB_NAME "${CMAKE_SHARED_LIBRARY_PREFIX}${TARGET_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}")
+    set(${TARGET_NAME}_LIB_NAME "${CMAKE_SHARED_LIBRARY_PREFIX}${TARGET_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}" CACHE STRING "output library name for target ${TARGET_NAME}")
   else()
     set(BUILD_MODE "-buildmode=c-archive")
-    set(LIB_NAME "${CMAKE_STATIC_LIBRARY_PREFIX}${TARGET_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}")
+    set(${TARGET_NAME}_LIB_NAME "${CMAKE_STATIC_LIBRARY_PREFIX}${TARGET_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}" CACHE STRING "output library name for target ${TARGET_NAME}")
   endif()
 
   # Add dummy code to support `make target_name` under Terminal Command
@@ -283,25 +279,17 @@ function(go_library TARGET_NAME)
     add_dependencies(${TARGET_NAME} ${go_library_DEPS})
   endif(go_library_DEPS)
 
-  # we need to symlink Paddle directory into GOPATH. If we
-  # don't do it and we have code that depends on Paddle, go
-  # get ./... will download a new Paddle repo from Github,
-  # without the changes in our current Paddle repo that we
-  # want to build.
+  set(${TARGET_NAME}_LIB_PATH "${CMAKE_CURRENT_BINARY_DIR}/${${TARGET_NAME}_LIB_NAME}" CACHE STRING "output library path for target ${TARGET_NAME}")
+
   file(GLOB GO_SOURCE RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "*.go")
   add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
-    COMMAND rm "${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME}"
-    # Symlink Paddle directory into GOPATH
-    COMMAND mkdir -p ${PADDLE_IN_GOPATH}
-    COMMAND rm -rf ${PADDLE_IN_GOPATH}                                                                                                                                         
-    COMMAND ln -sf ${CMAKE_SOURCE_DIR} ${PADDLE_IN_GOPATH}
-    # Automatically get all dependencies specified in the source code                                                                                                                                 
-    COMMAND env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} get -d ./...
+    COMMAND rm "${${TARGET_NAME}_LIB_PATH}"
     # Golang build source code
     COMMAND env GOPATH=${GOPATH} ${CMAKE_Go_COMPILER} build ${BUILD_MODE}
-    -o "${CMAKE_CURRENT_BINARY_DIR}/${LIB_NAME}"
+    -o "${${TARGET_NAME}_LIB_PATH}"
     ${GO_SOURCE}
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+  add_dependencies(${TARGET_NAME} go_path)
 endfunction(go_library)
 
 function(go_binary TARGET_NAME)

go/master/c/CMakeLists.txt

 cmake_minimum_required(VERSION 3.0)
 
-get_filename_component(PARENT_DIR ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
-get_filename_component(PARENT_DIR ${PARENT_DIR} DIRECTORY)
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PARENT_DIR}/cmake")
-
-project(cxx_go C Go)
-
-include(golang)
-include(flags)
-
-set(MASTER_LIB_NAME "paddle_master")
-go_library(${MASTER_LIB_NAME} SHARED)
-
-if(PROJ_ROOT)
-  add_custom_command(OUTPUT ${PROJ_ROOT}/python/paddle/v2/master/lib${MASTER_LIB_NAME}.so
-    COMMAND rm ${CMAKE_CURRENT_BINARY_DIR}/lib${MASTER_LIB_NAME}.h
-    COMMAND cp ${CMAKE_CURRENT_BINARY_DIR}/lib${MASTER_LIB_NAME}.so ${PROJ_ROOT}/python/paddle/v2/master/
-    DEPENDS ${MASTER_LIB_NAME})
-  add_custom_target(paddle_master_shared ALL DEPENDS ${PROJ_ROOT}/python/paddle/v2/master/lib${MASTER_LIB_NAME}.so)
-endif(PROJ_ROOT)
+go_library(paddle_master SHARED)

go/pserver/cclient/test/CMakeLists.txt

 
-cc_library(main SRCS main.c DEPS paddle_pserver_cclient)
+cc_binary(main SRCS main.c DEPS paddle_pserver_cclient)
 cc_test(test_cclient SRCS test_cclient.c DEPS paddle_pserver_cclient)

paddle/trainer/CMakeLists.txt

@@ -72,6 +72,6 @@ endif()
 
 if(WITH_GOLANG)
   add_dependencies(paddle_trainer_lib paddle_pserver_cclient)
-  target_link_libraries(paddle_trainer ${CMAKE_BINARY_DIR}/go/pserver/cclient/libpaddle_pserver_cclient.a)
-  target_link_libraries(paddle_trainer_lib ${CMAKE_BINARY_DIR}/go/pserver/cclient/libpaddle_pserver_cclient.a)
+  target_link_libraries(paddle_trainer paddle_pserver_cclient)
+  target_link_libraries(paddle_trainer_lib paddle_pserver_cclient)
 endif(WITH_GOLANG)

python/CMakeLists.txt

@@ -12,13 +12,21 @@ set(PY_FILES paddle/__init__.py
   ${UTILS_PY_FILES}
   ${V2_PY_FILES})
 
+add_custom_target(copy_paddle_master)
+if(WITH_GOLANG)
+  add_custom_command(TARGET copy_paddle_master
+    COMMAND cp ${paddle_master_LIB_PATH} ${PROJ_ROOT}/python/paddle/v2/master/
+    )
+  add_dependencies(copy_paddle_master paddle_master)
+endif(WITH_GOLANG)
+
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/setup.py.in
     ${CMAKE_CURRENT_BINARY_DIR}/setup.py)
 
 add_custom_command(OUTPUT ${OUTPUT_DIR}/.timestamp
     COMMAND env ${py_env} ${PYTHON_EXECUTABLE} setup.py bdist_wheel
     COMMAND ${CMAKE_COMMAND} -E touch ${OUTPUT_DIR}/.timestamp
-    DEPENDS gen_proto_py ${PY_FILES} ${external_project_dependencies})
+    DEPENDS gen_proto_py ${PY_FILES} ${external_project_dependencies} copy_paddle_master)
 
 add_custom_target(paddle_python ALL DEPENDS
     ${OUTPUT_DIR}/.timestamp)

python/paddle/v2/__init__.py

@@ -56,6 +56,7 @@ __all__ = [
     'plot',
     'evaluator',
     'image',
+    'master',
 ]
 
 

python/setup.py.in

@@ -8,6 +8,7 @@ packages=['paddle',
           'paddle.v2',
           'paddle.v2.dataset',
           'paddle.v2.reader',
+          'paddle.v2.master',
           'paddle.v2.plot']
 
 setup_requires=["requests",
@@ -25,6 +26,7 @@ setup(name='paddle',
       description='Parallel Distributed Deep Learning',
       install_requires=setup_requires,
       packages=packages,
+      package_data={'paddle.v2.master': ['${paddle_master_LIB_NAME}'], },
       package_dir={
           '': '${CMAKE_CURRENT_SOURCE_DIR}'
       },