系统环境：

$ lsb_release -a
LSB Version:    :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID:    CentOS
Description:    CentOS release 6.8 (Final)
Release:    6.8
Codename:    Final
$ getconf LONG_BIT
64
$ which cmake
/usr/bin/cmake
$ cmake --version
cmake version 2.8.12.2
$ which ninja
/usr/bin/ninja
$ ninja --version
1.7.1

 

问题：使用cmake工具且选用Ninja作为编译工具（build program）时，报错，找不到Ninja的程序，具体信息如下：

 1 CMake Error: CMake was unable to find a build program corresponding to "Ninja".  CMAKE_MAKE_PROGRAM is not set.  You probably need to select a different build tool.
 2 CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.
 3 Missing variable is:
 4 CMAKE_C_COMPILER
 5 CMake Error: Could not find cmake module file: /home/jgeng/avs2-build/CMakeFiles/2.8.12.2/CMakeCCompiler.cmake
 6 CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.
 7 Missing variable is:
 8 CMAKE_CXX_COMPILER_ENV_VAR
 9 CMake Error: Error required internal CMake variable not set, cmake may be not be built correctly.
10 Missing variable is:
11 CMAKE_CXX_COMPILER
12 CMake Error: Could not find cmake module file: /home/jgeng/avs2-build/CMakeFiles/2.8.12.2/CMakeCXXCompiler.cmake
13 -- Configuring incomplete, errors occurred!

 

解决方法：

# ln -s /usr/bin/ninja /usr/bin/ninja-build
# strace cmake -GNinja .. | grep -i ninja
access("ninja-build", R_OK)             = -1 ENOENT (No such file or directory)
access("/usr/local/sbin/ninja-build", R_OK) = -1 ENOENT (No such file or directory)
access("/usr/local/bin/ninja-build", R_OK) = -1 ENOENT (No such file or directory)
access("/sbin/ninja-build", R_OK)       = -1 ENOENT (No such file or directory)
access("/bin/ninja-build", R_OK)        = -1 ENOENT (No such file or directory)
access("/usr/sbin/ninja-build", R_OK)   = -1 ENOENT (No such file or directory)
access("/usr/bin/ninja-build", R_OK)    = -1 ENOENT (No such file or directory)

cmake 在设置build program的时候找的是ninja-build程序，而不是ninja程序。

参考：https://stackoverflow.com/questions/38658014/ninja-not-found-by-cmake

 

转载于:https://www.cnblogs.com/xlmeng1988/p/cmake_ninja_error.html

GitHub 加速计划 / ni / ninja
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a small build system with a focus on speed
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