C++ CMake can'；找不到cpp netlib库

我最近开始学习CMake，并决定将其用于我正在从事的一个老项目。该项目将cpp netlib、boost和Openssl作为依赖项。 这是我找到的正在工作的CMakeLists.txt文件

CMAKE_MINIMUM_REQUIRED(VERSION 3.4.1)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
PROJECT(MangaMe)
INCLUDE_DIRECTORIES(includes)
ADD_EXECUTABLE(mangaMe src/mangaMe.cpp)

set(Boost_USE_MULTITHREADED ON)
FIND_PACKAGE(Boost 1.59.0 REQUIRED COMPONENTS system thread filesystem)
INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS})
TARGET_LINK_LIBRARIES(mangaMe ${Boost_LIBRARIES})

SET(OPENSSL_LIB_DIR /usr/local/Cellar/openssl/1.0.2e/lib)
INCLUDE_DIRECTORIES(/usr/local/Cellar/openssl/1.0.2e/include)
TARGET_LINK_LIBRARIES(mangaMe ${OPENSSL_LIB_DIR}/libcrypto.dylib ${OPENSSL_LIB_DIR}/libssl.dylib)

#WHY DOESNT THIS WORK!?!??!!?
#FIND_PACKAGE(cppnetlib 0.11 REQUIRED COMPONENTS client-connections server-parsers uri)
#INCLUDE_DIRECTORIES(${cppnetlib_INCLUDE_DIRS})
#TARGET_LINK_LIBRARIES(mangaMe ${cppnetlib_LIBRARIES})

SET(CPPNETLIB_LIB_DIR /usr/local/Cellar/cpp-netlib/0.11.2/lib)
INCLUDE_DIRECTORIES(/usr/local/Cellar/cpp-netlib/0.11.2/include)
TARGET_LINK_LIBRARIES(mangaMe ${CPPNETLIB_LIB_DIR}/libcppnetlib-client-connections.a ${CPPNETLIB_LIB_DIR}/libcppnetlib-server-parsers.a ${CPPNETLIB_LIB_DIR}/libcppnetlib-uri.a)

我想知道是否有人知道为什么使用FIND_包查找cppnetlib的注释部分不起作用？我使用自制软件安装cpp netlib，当我运行if（cppnetlib_FOUND）时，我知道它找到了包，但似乎找不到库，因此当我尝试制作项目时，它会出错，说它缺少cpp netlib中的库。我还注意到，当我在FIND_包中将版本设置为0.11.2（当前安装的版本）时，我收到一条消息，说

-- Boost version: 1.59.0
-- Found the following Boost libraries:
--   system
--   thread
--   filesystem
CMake Error at CMakeLists.txt:16 (FIND_PACKAGE):
  Could not find a configuration file for package "cppnetlib" that is
  compatible with requested version "0.11.2".

  The following configuration files were considered but not accepted:

    /usr/local/lib/cmake/cppnetlib/cppnetlibConfig.cmake, version: 0.11.1
    /usr/local/lib/cmake/cppnetlib/cppnetlibConfig.cmake, version: 0.11.1



-- Configuring incomplete, errors occurred!
See also "/Users/LittleNewt/gitness/mangaMe/build/CMakeFiles/CMakeOutput.log".

---

这没什么大不了的，因为当我明确指定目录时，它就起作用了，但我仍然想知道为什么我不能只使用FIND_包。

尝试将

cppnetlib_INCLUDE_DIRS

更改为

cppnetlib_INCLUDE_DIRS

和

cppnetlib_库

---

前缀不是由包名决定的，而是由包的CMake文件中导出的内容决定的。以下是使用大写字母的源代码：

感谢abunch，它确实起了作用。我假设它将使用指定的包名cppnetlib作为每个变量的第一部分。