Cmake 编译OpenCV3.1.0过程中出现如下错误：
CMake Error: CMake was unable to find a build program corresponding to “MinGW Makefiles”. CMAKE_MAKE_PROGRAM is not set. You probably need to select a different build tool.
解决办法：MinGW没有找到，需要重新配置环境变量，指定Qt安装目录下MinGW位置，如…/Qt5.10.1/Tools/mingw530_32/bin/mingw32-make.exe，若是还是不行需要安装一下MinGW了。
Android NDK错误：Error: Unable to get the CMake verion located at 解决方案 Android NDK错误：
在我好不容易搭建完VS2019+QT5.13的环境之后，想要验证是否正确。 所以就信件GUI项目，但是跳出来这个： ![在这里插入图片描述][watermark_typ
配置MinGW环境变量： ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG
解决error: Unable to find vcvarsall.bat 执行命令 python setup.py build_ext --inplace
find\_file find_file (<VAR> name1 [path1 path2 ...]) find_file (
[https://blog.csdn.net/aiyun5666/article/details/101915628][https_blog.csdn.net_aiyun566
使用Ant编译openfire出现问题: build.xml:278: Unable to find a javac compiler; com.sun.tool
Cmake 编译OpenCV3.1.0过程中出现如下错误： CMake Error: CMake was unable to find a build program co
1.Environment win-7, Download install file from official site then install. 2.Usage
Unable to find a javac compiler; com.sun.tools.javac.Main is not on the classpath. P
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