blocks|key|2064007|text|一些最后版本的Ubuntu默认安装Python3.4，来自Ubuntu+(2.8)的CMake版本只搜索Python3.3。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2064008|尝试在set(Python_ADDITIONAL_VERSIONS+3.4)语句之前添加find_package。|offset|length|style|CODE|2064009|记住也要清洁CMakeCache.txt。|2064010|entityMap^0|0|3|Z|18|C|0|6|E|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]|$D|P|E|Q|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@$D|S|E|T|F|G]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|U|8|@]|9|@]|A|$]]]|K|$]]

Some last version of Ubuntu installs Python 3.4 by default and the CMake version from Ubuntu (2.8) only searches up to Python 3.3.

Try to add <code>set(Python_ADDITIONAL_VERSIONS 3.4)</code> before the <code>find_package</code> statement.

Remember to clean <code>CMakeCache.txt</code> too.

blocks|key|2064012|text|对我来说，这是有帮助的：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2064013|#+if+using+python2
apt-get+install+python-dev

#+if+using+python3
apt-get+install+python3-dev|code-block|syntax|javascript|2064014|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For me this is helpful:
<pre><code># if using python2
apt-get install python-dev

# if using python3
apt-get install python3-dev
</code></pre>

blocks|key|2064029|text|我碰到了同样的问题，发现错误消息给出了错误的变量名。尝试设置以下内容(单数而不是复数)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2064030|PYTHON_INCLUDE_DIR=/usr/include/python2.7+
PYTHON_LIBRARY=/usr/lib/python2.7/config/libpython2.7.so|code-block|syntax|javascript|2064031|您看到错误消息的(复数)变量是PythonLibs在正确初始化时设置的值。|2064032|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I hit the same issue,and discovered the error message gives misleading variable names. Try setting the following (singular instead of plural):

<pre><code>PYTHON_INCLUDE_DIR=/usr/include/python2.7 
PYTHON_LIBRARY=/usr/lib/python2.7/config/libpython2.7.so
</code></pre>

The (plural) variables you see error messages about are values that the PythonLibs sets up when it is initialised correctly.

blocks|key|63178|text|当我试图在Xubuntu14.04推力Tahr系统上编译OpenCV+3时，我遇到了这个问题。安装了Python的所有dev包后，配置过程总是返回消息：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|63179|Could+NOT+found+PythonInterp:+/usr/bin/python2.7+(found+suitable+version+"2.7.6",+minimum+required+is+"2.7")
Could+NOT+find+PythonLibs+(missing:+PYTHON_INCLUDE_DIRS)+(found+suitable+exact+version+"2.7.6")
Found+PythonInterp:+/usr/bin/python3.4+(found+suitable+version+"3.4",+minimum+required+is+"3.4")
Could+NOT+find+PythonLibs+(missing:+PYTHON_LIBRARIES)+(Required+is+exact+version+"3.4.0")|code-block|syntax|javascript|63180|推力Tahr存储库上可用的CMake版本为2.8。一些帖子激励我升级CMake。我添加了一个PPA+CMake存储库，它安装了CMake版本3.2。|63181|升级后，一切运行顺利，编译成功。|63182|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

I was facing this problem while trying to compile OpenCV 3 on a Xubuntu 14.04 Thrusty Tahr system.
With all the dev packages of Python installed, the configuration process was always returning the message:

<pre><code>Could NOT found PythonInterp: /usr/bin/python2.7 (found suitable version "2.7.6", minimum required is "2.7")
Could NOT find PythonLibs (missing: PYTHON_INCLUDE_DIRS) (found suitable exact version "2.7.6")
Found PythonInterp: /usr/bin/python3.4 (found suitable version "3.4", minimum required is "3.4")
Could NOT find PythonLibs (missing: PYTHON_LIBRARIES) (Required is exact version "3.4.0")
</code></pre>

The CMake version available on Thrusty Tahr repositories is 2.8.
Some posts inspired me to upgrade CMake.
I've added a PPA CMake repository which installs CMake version 3.2.

After the upgrade everything ran smoothly and the compilation was successful.

blocks|key|62584|text|此问题也可能发生在Windows中。Cmake查看注册表，有时未设置python值。对于有类似问题的人：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|62585|http://ericsilva.org/2012/10/11/restoring-your-python-registry-in-windows/|offset|length|62586|只需创建一个.reg文件来设置必要的键，并相应地进行编辑以匹配您的设置。|62587|Windows+Registry+Editor+Version+5.00

[HKEY_CURRENT_USER\Software\Python]

[HKEY_CURRENT_USER\Software\Python\Pythoncore]

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.6]

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.6\InstallPath]
@="C:\\python26"

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.6\PythonPath]
@="C:\\python26;C:\\python26\\Lib\\;C:\\python26\\DLLs\\"

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.7]

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.7\InstallPath]
@="C:\\python27"

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.7\PythonPath]
@="C:\\python27;C:\\python27\\Lib\\;C:\\python27\\DLLs\\"|code-block|syntax|javascript|62588|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|22|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@$D|V|E|W|1|X]]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|Z|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|C]]]]

This problem can also happen in Windows. Cmake looks into the registry and sometimes python values are not set. For those with similar problem:

<a href="http://ericsilva.org/2012/10/11/restoring-your-python-registry-in-windows/" rel="noreferrer">http://ericsilva.org/2012/10/11/restoring-your-python-registry-in-windows/</a>

Just create a .reg file to set the necessary keys and edit accordingly to match your setup.

<pre><code>Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Python]

[HKEY_CURRENT_USER\Software\Python\Pythoncore]

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.6]

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.6\InstallPath]
@="C:\\python26"

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.6\PythonPath]
@="C:\\python26;C:\\python26\\Lib\\;C:\\python26\\DLLs\\"

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.7]

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.7\InstallPath]
@="C:\\python27"

[HKEY_CURRENT_USER\Software\Python\Pythoncore\2.7\PythonPath]
@="C:\\python27;C:\\python27\\Lib\\;C:\\python27\\DLLs\\"
</code></pre>

blocks|key|63190|text|您可以通过在cmake命令中附加填充相应文件夹的-DPYTHON_LIBRARY和-DPYTHON_INCLUDE_DIR标志来修复错误。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|63191|因此，诀窍是用python解释器返回的信息填充这些参数，这是最可靠的。这可能独立于您的python位置/版本(也适用于Anaconda用户)：|63192|$+cmake+..+\
-DPYTHON_INCLUDE_DIR=$(python+-c+"from+distutils.sysconfig+import+get_python_inc;+print(get_python_inc())")++\
-DPYTHON_LIBRARY=$(python+-c+"import+distutils.sysconfig+as+sysconfig;+print(sysconfig.get_config_var('LIBDIR'))")|code-block|syntax|javascript|63193|如果您希望链接到cmake的python版本是Python3.X，并且默认的python符号链接指向Python2.X，则可以使用python3+-c+...而不是python+-c+...。|63194|如果错误仍然存在，您可能需要按照@pdpcosta的说明将cmake更新为更高的版本，并再次重复该过程。|63195|entityMap^0|6|5|O|G|15|K|0|0|0|1T|E|2A|D|0|T|5|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Z|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|10|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|11|8|@$9|12|A|13|B|C]|$9|14|A|15|B|C]]|D|@]|E|$]]|$1|O|3|P|5|6|7|16|8|@$9|17|A|18|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|R|$]]

You can fix the errors by appending to the <code>cmake</code> command the <code>-DPYTHON_LIBRARY</code> and <code>-DPYTHON_INCLUDE_DIR</code> flags filled with the respective folders.

Thus, the trick is to fill those parameters with the returned information from the python interpreter, which is the most reliable. This may work independently of your python location/version (also for Anaconda users):

<pre><code>$ cmake .. \
-DPYTHON_INCLUDE_DIR=$(python -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \
-DPYTHON_LIBRARY=$(python -c "import distutils.sysconfig as sysconfig; print(sysconfig.get_config_var('LIBDIR'))")
</code></pre>

If the version of python that you want to link against cmake is Python3.X and the default python symlink points to Python2.X, <code>python3 -c ...</code> can be used instead of <code>python -c ...</code>.

In case that the error persists, you may need to update the <code>cmake</code> to a higher version as stated by @pdpcosta and repeat the process again.

blocks|key|455401|text|即使按照上面的建议添加了-DPYTHON_INCLUDE_DIR和-DPYTHON_LIBRARY，我仍然面临错误Could+NOT+find+PythonInterp。解决这个问题的方法是按照-DPYTHON_EXECUTABLE:FILEPATH=中的建议将cmake添加到https://github.com/pybind/pybind11/issues/99#issuecomment-182071479中。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|455402|cmake+..+\
-DPYTHON_INCLUDE_DIR=$(python+-c+"from+distutils.sysconfig+import+get_python_inc;+print(get_python_inc())")++\
-DPYTHON_LIBRARY=$(python+-c+"import+distutils.sysconfig+as+sysconfig;+print(sysconfig.get_config_var('LIBDIR'))")+\
-DPYTHON_EXECUTABLE:FILEPATH=`which+python`|code-block|syntax|javascript|455403|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/pybind/pybind11/issues/99#issuecomment-182071479^0|C|K|X|G|1L|R|2P|T|3N|5|3V|1V|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]|$9|11|A|12|B|C]]|D|@$9|13|A|14|1|15]]|E|$]]|$1|F|3|G|5|H|7|16|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|17|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

Even after adding <code>-DPYTHON_INCLUDE_DIR</code> and <code>-DPYTHON_LIBRARY</code> as suggested above, I was still facing the error <code>Could NOT find PythonInterp</code>. What solved it was adding <code>-DPYTHON_EXECUTABLE:FILEPATH=</code> to <code>cmake</code> as suggested in <a href="https://github.com/pybind/pybind11/issues/99#issuecomment-182071479" rel="noreferrer">https://github.com/pybind/pybind11/issues/99#issuecomment-182071479</a>:

<pre><code>cmake .. \
-DPYTHON_INCLUDE_DIR=$(python -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \
-DPYTHON_LIBRARY=$(python -c "import distutils.sysconfig as sysconfig; print(sysconfig.get_config_var('LIBDIR'))") \
-DPYTHON_EXECUTABLE:FILEPATH=`which python`
</code></pre>

blocks|key|455417|text|将其粘贴到CMakeLists.txt中：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|455418|#+find+python
execute_process(COMMAND+python-config+--prefix+OUTPUT_VARIABLE+PYTHON_SEARCH_PATH)
string(REGEX+REPLACE+"\n$"+""+PYTHON_SEARCH_PATH+"${PYTHON_SEARCH_PATH}")
file(GLOB_RECURSE+PYTHON_DY_LIBS+${PYTHON_SEARCH_PATH}/lib/libpython*.dylib+${PYTHON_SEARCH_PATH}/lib/libpython*.so)
if+(PYTHON_DY_LIBS)
++++list(GET+PYTHON_DY_LIBS+0+PYTHON_LIBRARY)
++++message("--+Find+shared+libpython:+${PYTHON_LIBRARY}")
else()
++++message(WARNING+"Cannot+find+shared+libpython,+try+find_package")
endif()

find_package(PythonInterp)
find_package(PythonLibs+${PYTHON_VERSION_STRING}+EXACT)|code-block|syntax|javascript|455419|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Paste this into your CMakeLists.txt:

<pre><code># find python
execute_process(COMMAND python-config --prefix OUTPUT_VARIABLE PYTHON_SEARCH_PATH)
string(REGEX REPLACE "\n$" "" PYTHON_SEARCH_PATH "${PYTHON_SEARCH_PATH}")
file(GLOB_RECURSE PYTHON_DY_LIBS ${PYTHON_SEARCH_PATH}/lib/libpython*.dylib ${PYTHON_SEARCH_PATH}/lib/libpython*.so)
if (PYTHON_DY_LIBS)
 list(GET PYTHON_DY_LIBS 0 PYTHON_LIBRARY)
 message("-- Find shared libpython: ${PYTHON_LIBRARY}")
else()
 message(WARNING "Cannot find shared libpython, try find_package")
endif()

find_package(PythonInterp)
find_package(PythonLibs ${PYTHON_VERSION_STRING} EXACT)
</code></pre>

blocks|key|455434|text|请注意，如果使用的是cMake版本3.12或更高版本，则变量PythonInterp和PythonLibs已更改为Python。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|455435|所以我们用：|455436|find_package(Python+${PY_VERSION}+REQUIRED)|455437|而不是：|455438|find_package(PythonInterp+${PY_VERSION}+REQUIRED)+find_package(PythonLibs+${PY_VERSION}+REQUIRED)|455439|详情请参见https://cmake.org/cmake/help/v3.12/module/FindPython.html。|455440|entityMap|0|LINK|mutability|MUTABLE|url|https://cmake.org/cmake/help/v3.12/module/FindPython.html^0|U|C|17|A|1L|6|0|0|0|17|0|0|0|1D|1E|1B|0|5|1L|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@$9|Y|A|Z|B|C]|$9|10|A|11|B|C]|$9|12|A|13|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|14|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|15|8|@$9|16|A|17|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|18|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|19|8|@$9|1A|A|1B|B|C]|$9|1C|A|1D|B|C]]|D|@]|E|$]]|$1|N|3|O|5|6|7|1E|8|@]|D|@$9|1F|A|1G|1|1H]]|E|$]]|$1|P|3|-4|5|6|7|1I|8|@]|D|@]|E|$]]]|Q|$R|$5|S|T|U|E|$V|W]]]]

Note that if you are using cMake version 3.12 or later, variable <code>PythonInterp</code> and <code>PythonLibs</code> has been changed into <code>Python</code>.

So we use:

<code>find_package(Python ${PY_VERSION} REQUIRED)</code>

instead of:

<code>find_package(PythonInterp ${PY_VERSION} REQUIRED)</code>
<code>find_package(PythonLibs ${PY_VERSION} REQUIRED)</code>

see <a href="https://cmake.org/cmake/help/v3.12/module/FindPython.html" rel="nofollow noreferrer">https://cmake.org/cmake/help/v3.12/module/FindPython.html</a> for details.

blocks|key|2064174|text|如果这可能有帮助，我找到了一个类似问题的解决办法，查看cmake：https://cmake.org/cmake/help/v3.0/module/FindPythonLibs.html。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2064175|您必须为cmake设置两个env以找到连贯的版本。不幸的是这不是一个通用的解决方案..。|2064176|cmake+-DPYTHON_LIBRARY=${HOME}/.pyenv/versions/3.8.0/lib/libpython3.8.a+-DPYTHON_INCLUDE_DIR=${HOME}/.pyenv/versions/3.8.0/include/python3.8/+cern_root/|code-block|syntax|javascript|2064177|entityMap|0|LINK|mutability|MUTABLE|url|https://cmake.org/cmake/help/v3.0/module/FindPythonLibs.html^0|X|1O|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

In case that might help, I found a workaround for a similar problem, looking at the cmake doc :
<a href="https://cmake.org/cmake/help/v3.0/module/FindPythonLibs.html" rel="nofollow noreferrer">https://cmake.org/cmake/help/v3.0/module/FindPythonLibs.html</a>

You must set two env vars for cmake to find coherent versions.
Unfortunately this is not a generic solution...

<pre><code>cmake -DPYTHON_LIBRARY=${HOME}/.pyenv/versions/3.8.0/lib/libpython3.8.a -DPYTHON_INCLUDE_DIR=${HOME}/.pyenv/versions/3.8.0/include/python3.8/ cern_root/
</code></pre>

blocks|key|62665|text|如果上述所有方法都不起作用，那么下面的命令行可能对您有用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|62666|sudo+apt-get+install+cython+cython3|offset|length|style|CODE|62667|entityMap^0|0|0|Z|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

Maybe below command line works for you if all of above methods didn't work.
<code>sudo apt-get install cython cython3</code>

blocks|key|2064195|text|我在我的系统上升级到python3.8，并且安装不完整。通过安装3.8包的其余部分，设法修复了它：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2064196|sudo+apt-get+install+python3.8+python3.8-dev+python3.8-distutils+python3.8-venv|code-block|syntax|javascript|2064197|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I had upgraded to python3.8 on my system and had an incomplete install. Managed to fix it by installing the rest of the 3.8 packages:
<pre><code>sudo apt-get install python3.8 python3.8-dev python3.8-distutils python3.8-venv
</code></pre>

blocks|key|62681|text|至少在Ubuntu+20上，由于Python2.7是不推荐的，所以可以：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|62682|sudo+apt+install+python2.7-dev|code-block|syntax|javascript|62683|然后可以将PYTHON_INCLUDE_DIR设置为/usr/include/python2.7|offset|length|style|CODE|62684|entityMap^0|0|0|5|I|Q|M|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]|$I|T|J|U|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|N|$]]

On Ubuntu 20 at least, since Python 2.7 is deprecated, you can:
<pre class="lang-sh prettyprint-override"><code>sudo apt install python2.7-dev
</code></pre>
And then <code>PYTHON_INCLUDE_DIR</code> can be set to <code>/usr/include/python2.7</code>

blocks|key|62693|text|在Python3.2和以后的版本中，distutils.sysconfig被弃用于sysconfig。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|62694|要获取数据结构中的所有变量名并检查情况，可以使用路径函数。|62695|import+sysconfig
sysconfig.get_paths()|code-block|syntax|javascript|62696|它将返回一个dict，其中所有相关的变量名都作为键，相应的路径作为值。当我们知道钥匙时，我们就可以动态地得到这个值，|62697|>>>+sysconfig.get_path("include")
'C:\\Program+Files\\Python310\\Include'|62698|然而，对于这种情况，sysutils最方便的特性是它可以通过调用python+-m+sysconfig，同时从命令提示符中列出所有变量。|62699|$+python+-m+sysconfig

Platform:+"macosx-10.4-i386"
Python+version:+"3.2"
Current+installation+scheme:+"posix_prefix"

Paths:
++++++++data+=+"/usr/local"
++++++++include+=+"/Users/tarek/Dev/svn.python.org/py3k/Include"
++++++++platinclude+=+"."
++++++++platlib+=+"/usr/local/lib/python3.2/site-packages"
++++++++platstdlib+=+"/usr/local/lib/python3.2"
++++++++purelib+=+"/usr/local/lib/python3.2/site-packages"
++++++++scripts+=+"/usr/local/bin"
++++++++stdlib+=+"/usr/local/lib/python3.2"

Variables:
++++++++AC_APPLE_UNIVERSAL_BUILD+=+"0"
++++++++AIX_GENUINE_CPLUSPLUS+=+"0"
++++++++AR+=+"ar"
++++++++ARFLAGS+=+"rc"
++++++++...|62700|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.python.org/3/library/sysconfig.html#sysconfig.get_paths^0|I|J|15|9|0|O|2|0|0|0|6|4|0|0|A|8|W|J|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@$9|13|A|14|B|C]|$9|15|A|16|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|17|8|@]|D|@$9|18|A|19|1|1A]]|E|$]]|$1|H|3|I|5|J|7|1B|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|1C|8|@$9|1D|A|1E|B|C]]|D|@]|E|$]]|$1|O|3|P|5|J|7|1F|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|1G|8|@$9|1H|A|1I|B|C]|$9|1J|A|1K|B|C]]|D|@]|E|$]]|$1|S|3|T|5|J|7|1L|8|@]|D|@]|E|$K|L]]|$1|U|3|-4|5|6|7|1M|8|@]|D|@]|E|$]]]|V|$W|$5|X|Y|Z|E|$10|11]]]]

In Python 3.2 and onward <code>distutils.sysconfig</code> is deprecated in favor of <code>sysconfig</code>.
To get all the variable names in data structure and inspect the situation we can use <a href="https://docs.python.org/3/library/sysconfig.html#sysconfig.get_paths" rel="nofollow noreferrer">get_paths</a> function
<pre class="lang-py prettyprint-override"><code>import sysconfig
sysconfig.get_paths()
</code></pre>
which will return us a <code>dict</code> with all the relevant variable names as keys, and corresponding paths as values.
When we know the key we can get the value dynamically,
<pre class="lang-py prettyprint-override"><code>&gt;&gt;&gt; sysconfig.get_path(&quot;include&quot;)
'C:\\Program Files\\Python310\\Include'
</code></pre>
However, the most convenient feature of <code>sysutils</code> for this situation is that it can list all the variables at once from the command-prompt by invoking <code>python -m sysconfig</code>:
<pre class="lang-bash prettyprint-override"><code>$ python -m sysconfig

Platform: &quot;macosx-10.4-i386&quot;
Python version: &quot;3.2&quot;
Current installation scheme: &quot;posix_prefix&quot;

Paths:
 data = &quot;/usr/local&quot;
 include = &quot;/Users/tarek/Dev/svn.python.org/py3k/Include&quot;
 platinclude = &quot;.&quot;
 platlib = &quot;/usr/local/lib/python3.2/site-packages&quot;
 platstdlib = &quot;/usr/local/lib/python3.2&quot;
 purelib = &quot;/usr/local/lib/python3.2/site-packages&quot;
 scripts = &quot;/usr/local/bin&quot;
 stdlib = &quot;/usr/local/lib/python3.2&quot;

Variables:
 AC_APPLE_UNIVERSAL_BUILD = &quot;0&quot;
 AIX_GENUINE_CPLUSPLUS = &quot;0&quot;
 AR = &quot;ar&quot;
 ARFLAGS = &quot;rc&quot;
 ...
</code></pre>

Getting this error:

<pre><code>sudo: unable to resolve host coderw@ll
-- Could NOT find PythonLibs (missing: PYTHON_LIBRARIES PYTHON_INCLUDE_DIRS) 
CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:108 
(message):
Could NOT find PythonInterp (missing: PYTHON_EXECUTABLE)
Call Stack (most recent call first):
/usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:315 
(_FPHSA_FAILURE_MESSAGE)
/usr/share/cmake-2.8/Modules/FindPythonInterp.cmake:139 
(FIND_PACKAGE_HANDLE_STANDARD_ARGS)
Code/cmake/Modules/FindNumPy.cmake:10 (find_package)
CMakeLists.txt:114 (find_package)



-- Configuring incomplete, errors occurred!
See also "/home/coderwall/Desktop/rdkit/build/CMakeFiles/CMakeOutput.log".
See also "/home/coderwall/Desktop/rdkit/build/CMakeFiles/CMakeError.log".
</code></pre>

I have already installed:

<ol>
<li>sudo apt-get install python-dev</li>
<li>Environment variable are already set as follow:

<pre><code>PYTHON_INCLUDE_DIRS=/usr/include/python2.7 
PYTHON_LIBRARIES=/usr/lib/python2.7/config/libpython2.7.so
</code></pre></li>
</ol>

Location of <code>python.h</code> : <code>/usr/lib/include/python2.7/python.h</code>

Location of <code>python</code> libs: <code>/usr/lib/python2.7/</code>
How to solve this?

Cmake is not able to find Python-libraries

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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获取此错误：sudo: unable to resolve host coderw@ll-- Could NOT find PythonLibs (missing:  PYTHON_LIBRARIES PYTHON_INCLUDE_DIRS) CMake Error at /usr/share/cmake-2.8/Mo...

问Cmake无法找到Python库。
EN

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问Cmake无法找到Python库。EN