Python working on Linux

CMakeLists.txt

@@ -119,8 +119,21 @@ elseif(NOT SKIP_PYTHON)
  set(SKIP_PYTHON OFF)
 endif()
 
-if (NOT SKIP_PYTHON)
+if (SKIP_PYTHON)
  message(STATUS "Building without Python")
+else()
+ ExternalProject_Add(
+ py-protobufs-external
+ DEPENDS ${protobuf_depends}
+ SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/py-protobuf
+ LOG_CONFIGURE ON
+ LOG_BUILD ON
+ LOG_INSTALL ON
+ INSTALL_COMMAND ""
+ CMAKE_ARGS
+ -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
+ -DProtobufs_SRC_DIR=${CMAKE_CURRENT_BINARY_DIR}/protobuf
+ )
 endif()
 
 ExternalProject_Add(

py-protobuf/CMakeLists.txt

@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.11)
+
+project(py-protobuf)
+
+find_package(protobuf REQUIRED PATHS "${CMAKE_INSTALL_PREFIX}/deps/protobuf/cmake" "${CMAKE_INSTALL_PREFIX}/deps/protobuf/lib/cmake")
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/../cmake")
+
+get_target_property(PROTOC_EXE protobuf::protoc LOCATION) 
+
+file(COPY "${PROTOC_EXE}" DESTINATION "${Protobufs_SRC_DIR}/src/")
+
+find_package(Python REQUIRED COMPONENTS Interpreter Development)
+
+get_target_property(PYTHON_EXE Python::Interpreter LOCATION)
+message(STATUS "PYTHON_EXE = ${PYTHON_EXE}")
+file(MAKE_DIRECTORY "${CMAKE_INSTALL_PREFIX}/bin/")
+if (NOT WIN32)
+ add_custom_target(${PROJECT_NAME} ALL 
+ COMMAND ${CMAKE_COMMAND} -E chdir "${Protobufs_SRC_DIR}/python" "${PYTHON_EXE}" setup.py build
+ COMMAND 
+ ${CMAKE_COMMAND} -E copy_directory ${Protobufs_SRC_DIR}/python/build/`ls ${Protobufs_SRC_DIR}/python/build/`/google/ "${CMAKE_INSTALL_PREFIX}/bin/google")
+endif()
+

src/api/python/src/cpp/CMakeLists.txt

@@ -18,7 +18,9 @@ set_source_files_properties("${CMAKE_CURRENT_LIST_DIR}/gravity_wrap.cpp" "${CMAK
 add_library(${LIB_NAME} SHARED ${SRCS})
 if (WIN32)
  set_target_properties(${LIB_NAME} PROPERTIES SUFFIX .pyd)
+else()
+ set_target_properties(${LIB_NAME} PROPERTIES PREFIX "")
 endif()
 target_link_libraries(${LIB_NAME} gravity Python::Python)
 gravity_add_dependency(${LIB_NAME})
-install(TARGETS ${LIB_NAME} RUNTIME DESTINATION bin/gravity)
+install(TARGETS ${LIB_NAME} LIBRARY DESTINATION bin/gravity RUNTIME DESTINATION bin/gravity)