创建引用libmongoc的dylib，@ rpath错误

问题描述

我对c不熟悉。但是目前，我需要构建一个引用MongoDB c驱动程序的动态库。

这是我的cmake文件。

cmake_minimum_required(VERSION 3.14)
project(MongocWrapper VERSION 1.0.0 LANGUAGES C)

set(CMAKE_C_STANDARD 99)

find_package (libmongoc-1.0 1.7 REQUIRED)
#
message ("--   mongoc found version \"${MONGOC_VERSION}\"")
message ("--   mongoc include path \"${MONGOC_INCLUDE_DIRS}\"")
message ("--   mongoc libraries \"${MONGOC_LIBRARIES}\"")

# lets try with project name
#add_executable(MongocTest library.c)
add_library(MongocWrapper SHARED library.c library.def)

target_include_directories (MongocWrapper PUBLIC "${MONGOC_INCLUDE_DIRS}")
target_link_libraries (MongocWrapper PUBLIC "${MONGOC_LIBRARIES}")
target_compile_definitions (MongocWrapper PUBLIC "${MONGOC_DEFINITIONS}")

set_target_properties(MongocWrapper PROPERTIES PUBLIC_HEADER library.h)
set_target_properties(MongocWrapper PROPERTIES VERSION ${PROJECT_VERSION})
set_target_properties(MongocWrapper PROPERTIES SOVERSION 1)
set_target_properties(MongocWrapper PROPERTIES OUTPUT_NAME "mongocWrapper")

创建dylib后，我尝试使用该库，出现错误

Failed to load dynamic library (dlopen(./libmongocWrapper.1.0.0.dylib,1): Library not loaded: @rpath/libbson-1.0.0.dylib
  Referenced from: /usr/local/opt/mongo-c-driver/lib/libmongoc-1.0.0.dylib
  Reason: image not found)

我尝试使用otools查找对我的lib和mongoc lib的依赖：

otool -L libmongoc-1.0.dylib
libmongoc-1.0.dylib:
    /usr/local/opt/mongo-c-driver/lib/libmongoc-1.0.0.dylib (compatibility version 0.0.0,current version 0.0.0)
    /usr/lib/libsasl2.2.dylib (compatibility version 3.0.0,current version 3.15.0)
    /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0,current version 1673.126.0)
    /System/Library/Frameworks/Security.framework/Versions/A/Security (compatibility version 1.0.0,current version 59306.41.2)
    /usr/lib/libresolv.9.dylib (compatibility version 1.0.0,current version 1.0.0)
    /usr/lib/libz.1.dylib (compatibility version 1.0.0,current version 1.2.11)
    @rpath/libbson-1.0.0.dylib (compatibility version 0.0.0,current version 0.0.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0,current version 1281.0.0)

所以我想可能是@rpath问题。如何正确设置@rpath以便可以使用库？

解决方法

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