我目前正在尝试将C++lib与SWIG集成,SWIG是各种语言(UseSWIG)的包装器生成器。我想集成到golang中,为此,我正在使用cmake轻松构建它。
我的 cmake 在我构建时正在工作,它会生成包装器文件和 go 文件,用于我的 go 模块。
但在 MSVC 中,我从生成的文件中收到一些错误。我还尝试直接调用我的go模块(通过go run...),但它缺少libs,这就是为什么我选择首先使用Cmake构建它(链接ext libs等),例如链接哪个是通过cmake中的vcpkg获得的。<fmt/format.h>
CMakeLists:
...
...
# SWIG integration
find_package(SWIG 4.0.2)
if(SWIG_FOUND)
message("Swig integration")
include (UseSWIG)
set(IPATH "go-integration/basic_host")
set (SWIG_FILE "basic_host.i")
set_source_files_properties(${IPATH}/${SWIG_FILE} PROPERTIES CPLUSPLUS ON)
#library for Go
find_program(GO_EXECUTABLE go)
if (GO_EXECUTABLE)
message("Bindings for Go will be generated using ${GO_EXECUTABLE}")
set(SWIG_MODULE_NAME "bhost-go")
set(CMAKE_SWIG_FLAGS -c++ -go -cgo -intgosize 64)
message("CMAKE_SWIG_FLAGS: ${CMAKE_SWIG_FLAGS}")
swig_add_library(${SWIG_MODULE_NAME}
TYPE SHARED
LANGUAGE go
OUTPUT_DIR basic_host
SOURCES ${IPATH}/${SWIG_FILE}
)
target_include_directories(${SWIG_MODULE_NAME} PRIVATE ${HIDAPI_INCLUDE_DIR})
swig_link_libraries(${SWIG_MODULE_NAME} PUBLIC stduuid)
swig_link_libraries(${SWIG_MODULE_NAME} PUBLIC fmt::fmt-header-only)
swig_link_libraries(${SWIG_MODULE_NAME} PUBLIC nlohmann_json nlohmann_json::nlohmann_json)
set_target_properties(${SWIG_MODULE_NAME} PROPERTIES SWIG_USE_TARGET_INCLUDE_DIRECTORIES TRUE)
else()
message("Go executable not found, golang integration not done")
endif()
else()
message("Swig not found, integration not done")
endif()
basic_host.i
%module basic_host
%{
#include <atomic>
#include <map>
#include <memory>
#include <iostream>
#include <fmt/format.h>
#include "../../examples/basic_host/command_line.h"
#include "../../examples/basic_host/command_line.cpp"
%}
%include <std_string.i>
%include "../../examples/basic_host/command_line.h"
basic_host.go
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