ssk*_*ssk 3 android cmake android-ndk android-gradle-plugin
我有一个 Android NDK 项目,我正在尝试通过Gradle + CMake构建它。
构建.gradle:
apply plugin: 'com.android.library'
allprojects {
repositories {
jcenter()
google()
}
}
android {
compileSdkVersion 27
defaultConfig {
minSdkVersion 16
targetSdkVersion 27
versionCode 1
versionName "1.0"
externalNativeBuild {
cmake {
cppFlags "-std=c++11"
arguments "-DANDROID_ABI=armeabi-v7a",
"-DANDROID_PLATFORM=android-16",
"-DANDROID_STL=gnustl_static",
"-DANDROID_CPP_FEATURES=rtti exceptions",
"-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=libs"
}
}
}
buildTypes {
release {
ndk {
abiFilters "armeabi-v7a"
}
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
debug {
ndk {
abiFilters "armeabi-v7a"
}
}
}
externalNativeBuild {
cmake {
path 'CMakeLists.txt'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
}
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CMAKE 命令输出:
Executable : /Users/ssk/Library/Android/sdk/cmake/3.6.3155560/bin/cmake
arguments :
-H/Users/ssk/MyProject
-B/Users/ssk/MyProject/.externalNativeBuild/cmake/debug/armeabi-v7a
-DANDROID_ABI=armeabi-v7a
-DANDROID_PLATFORM=android-16
------> -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=/Users/ssk/MyProject/build/intermediates/cmake/debug/obj/armeabi-v7a
-DCMAKE_BUILD_TYPE=Debug
-DANDROID_NDK=/Users/ssk/Library/Android/sdk/ndk-bundle
-DCMAKE_CXX_FLAGS=-std=c++11
-DCMAKE_TOOLCHAIN_FILE=/Users/ssk/Library/Android/sdk/ndk-bundle/build/cmake/android.toolchain.cmake
-DCMAKE_MAKE_PROGRAM=/Users/ssk/Library/Android/sdk/cmake/3.6.3155560/bin/ninja
-GAndroid Gradle - Ninja
-DANDROID_STL=gnustl_static
-DANDROID_ABI=armeabi-v7a
-DANDROID_PLATFORM=android-16
-DANDROID_CPP_FEATURES=rtti exceptions
------> -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=libs
jvmArgs :
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我正在尝试使用 配置输出目录DCMAKE_LIBRARY_OUTPUT_DIRECTORY,但它不服从。
Gradle 在我的选项之前添加了一个默认前缀,如突出显示(------> 在 cmake 命令输出中)。
题:
我应该如何配置输出目录?
下面的代码片段将配置您的输出目录:
对于静态库输出目录,请尝试以下操作:
# copy out the static lib binary
set_target_properties(${STATIC_LIBRARY_NAME}
PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY "libs/${ANDROID_ABI}")
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对于共享库输出目录,请尝试以下操作:
# copy out the shared lib binary
set_target_properties(${SHARED_LIBRARY_NAME}
PROPERTIES
LIBRARY_OUTPUT_DIRECTORY "libs/${ANDROID_ABI}")
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说明:
ANDROID_ABI 是定义 Android ABI 的变量,例如 armeabi-v7a
关于 CMake 变量定义的参考:
CMake构建工具链中“strip”命令的Android NDK路径变量
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