CMake 错误：启用语言后未设置 CMAKE_C_COMPILER

Question

当我构建一个包含 ndk 代码的 android 项目时。我收到以下错误：

Build command failed. 
Error while executing process /home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/cmake with arguments {-H/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app -B/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/.externalNativeBuild/cmake/debug/armeabi -GAndroid Gradle - Ninja -DANDROID_ABI=armeabi -DANDROID_NDK=/home/gongzelong/Android/Sdk/ndk-bundle -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/build/intermediates/cmake/debug/obj/armeabi -DCMAKE_BUILD_TYPE=Debug -DCMAKE_MAKE_PROGRAM=/home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/ninja -DCMAKE_TOOLCHAIN_FILE=/home/gongzelong/Android/Sdk/ndk-bundle/build/cmake/android.toolchain.cmake -DANDROID_PLATFORM=android-14 -DCMAKE_CXX_FLAGS=} 
/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo 
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage 
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage 
-- Configuring incomplete, errors occurred! 
Build command failed. 
Error while executing process /home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/cmake with arguments {-H/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app -B/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/.externalNativeBuild/cmake/release/armeabi -GAndroid Gradle - Ninja -DANDROID_ABI=armeabi -DANDROID_NDK=/home/gongzelong/Android/Sdk/ndk-bundle -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/build/intermediates/cmake/release/obj/armeabi -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=/home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/ninja -DCMAKE_TOOLCHAIN_FILE=/home/gongzelong/Android/Sdk/ndk-bundle/build/cmake/android.toolchain.cmake -DANDROID_PLATFORM=android-14 -DCMAKE_CXX_FLAGS=} 
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage 
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage 
-- Configuring incomplete, errors occurred! 

我尝试找出原因。

我发现了以下内容：

gongzelong@gongzelong:~/Android/Sdk/cmake/3.6.4111459/bin$ cmake -version
CMake Error: Could not find CMAKE_ROOT !!!
CMake has most likely not been installed correctly.
Modules directory not found in
/home/gongzelong/Android/Sdk/cmake/3.6.4111459/share/cmake-3.5
cmake version 3.5.1

CMake suite maintained and supported by Kitware (kitware.com/cmake).

cmake好像有分别版本3.5和3.6。

有人能指出如何修复它并成功构建 android 项目吗？

更新：

我删除了cmake并在android studio sdk管理器中重新安装。

我还是明白了：

null    
Build command failed.   
Error while executing process /home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/cmake with arguments {-H/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app -B/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/.externalNativeBuild/cmake/debug/armeabi -GAndroid Gradle - Ninja -DANDROID_ABI=armeabi -DANDROID_NDK=/home/gongzelong/Android/Sdk/ndk-bundle -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/build/intermediates/cmake/debug/obj/armeabi -DCMAKE_BUILD_TYPE=Debug -DCMAKE_MAKE_PROGRAM=/home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/ninja -DCMAKE_TOOLCHAIN_FILE=/home/gongzelong/Android/Sdk/ndk-bundle/build/cmake/android.toolchain.cmake -DANDROID_PLATFORM=android-14 -DCMAKE_CXX_FLAGS=}    
/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo    
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage 
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage   
-- Configuring incomplete, errors occurred! 
Build command failed.   
Error while executing process /home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/cmake with arguments {-H/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app -B/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/.externalNativeBuild/cmake/release/armeabi -GAndroid Gradle - Ninja -DANDROID_ABI=armeabi -DANDROID_NDK=/home/gongzelong/Android/Sdk/ndk-bundle -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/media/gongzelong/TOSHIBA/Code/Code/ImageLoaderEncapsulation/ImageLoader/ImageLoaderDemo/app/build/intermediates/cmake/release/obj/armeabi -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=/home/gongzelong/Android/Sdk/cmake/3.6.4111459/bin/ninja -DCMAKE_TOOLCHAIN_FILE=/home/gongzelong/Android/Sdk/ndk-bundle/build/cmake/android.toolchain.cmake -DANDROID_PLATFORM=android-14 -DCMAKE_CXX_FLAGS=}  
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage 
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage   
-- Configuring incomplete, errors occurred! 

Answer 1

您使用的NDK版本似乎不再支持某些ABI（错误日志中的armeabi），因此您必须将build.gradle（项目：....）中的构建升级到最新版本

classpath 'com.android.tools.build:gradle:3.1.3'

在 gradle-wrapper.properties 中：

distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

最后，您必须在 build.gradle(Module:app) 的 android 块中添加 abiFilters，具体取决于您需要的 ABI：

android {
 ....
    defaultConfig {
        externalNativeBuild {
            cmake {
                abiFilters 'arm64-v8a', 'armeabi-v7a', 'x86', 'x86_64'
            }
        }
    }
 ....
}

Answer 2

就我而言，build.gradle（模块：app）中的以下更改对我有帮助。

原创

android {
 ....
    defaultConfig {
        externalNativeBuild {
            cmake {
                arguments '-DANDROID_STL=gnustl_static' ... [other args]
            }
        }
    }
 ....
}

随着我的改变

android {
 android.buildToolsVersion "28.0.3"
 ....
    defaultConfig {
        externalNativeBuild {
            cmake {
                '-DANDROID_STL=c++_static' ... [other args]
            }
        }
    }
 ....
}

Answer 3

我有同样的错误，我的 ndk-bundle 是最新的，即 ndk-r18b

CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage  CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage Configuring incomplete, errors occurred!

我使用android-ndk-r14b修复它，你可以在

local.properties

中指定它

ndk.dir=/Users/xxxx/Library/Android/sdk/android-ndk-r14b

当然要先下载r14b，解压到sdk文件夹下

Answer 4

我只是从 SDK 工具中卸载并重新安装 NDK。这对我有用。