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我正在研究 mlpack 库（C++ 机器学习库）。我在这里按照keon的步骤进行操作：构建mlpack，但是当我到达构建mlpack的最后一步时，在cmd中出现以下错误：

-- Building for: Visual Studio 14 2015
-- The C compiler identification is MSVC 19.0.24213.1
-- The CXX compiler identification is MSVC 19.0.24213.1
-- Check for working C compiler: F:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/bin/cl.exe
-- Check for working C compiler: F:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/bin/cl.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: F:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/bin/cl.exe
-- Check for working CXX compiler: F:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/bin/cl.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Warning (dev) at CMakeLists.txt:51 (if):
Policy CMP0054 is not set: Only interpret if() arguments as variables or
keywords when unquoted. Run "cmake --help-policy CMP0054" for policy
details. Use the cmake_policy command to set the policy and suppress this
warning.

Quoted variables like "MSVC" will no longer be dereferenced when the policy
is set to NEW. Since the policy is not set the OLD behavior will be used.
This warning is for project developers. Use -Wno-dev to suppress it.

CMake Warning (dev) at CMakeLists.txt:64 (if):
Policy CMP0054 is not set: Only interpret if() arguments as variables or
keywords when unquoted. Run "cmake --help-policy CMP0054" for policy
details. Use the cmake_policy command to set the policy and suppress this
warning.

Quoted variables like "MSVC" will no longer be dereferenced when the policy
is set to NEW. Since the policy is not set the OLD behavior will be used.
This warning is for project developers. Use -Wno-dev to suppress it.

CMake Error at CMake/FindArmadillo.cmake:326 (message):
ARMADILLO_INCLUDE_DIR-NOTFOUND/armadillo_bits/config.hpp not found! Cannot
determine what to link against.
Call Stack (most recent call first):
CMakeLists.txt:189 (find_package)
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1 回答 1

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你一定搞砸了你的犰狳安装，更具体地说，你没有指定犰狳包含目录。

根据这个更详细的说明，第 10 点：

指定库、dll 的路径并设置一些定义，详细信息可以在这里找到

因此，您可以尝试将这些行添加到您的 mlpack 的 CMakeLists.txt 中：

set(ARMADILLO_LIBRARY "C:/Users/yyyy/Qt/3rdLibs/armadillo/armadillo-5.600.2/vc2015_build/bin/vc2015_x86_amd64/release") set(ARMADILLO_INCLUDE_DIR "C:/Users/yyyy/Qt/3rdLibs/armadillo/armadillo-5.600.2/include")

于 2017-01-23T14:05:56.360 回答