我在编写与音频相关的应用程序时遇到了这个问题:
Build command failed.
Error while executing process C:\Android_SDK\cmake\3.6.4111459\bin\cmake.exe with arguments {--build D:\workspace\AndroidAudioNDK\app\.externalNativeBuild\cmake\debug\x86_64 --target native-lib}
[1/1] Linking CXX shared library ..\..\..\..\build\intermediates\cmake\debug\obj\x86_64\libnative-lib.so
FAILED: cmd.exe /C "cd . && C:\android-ndk-r15c\toolchains\llvm\prebuilt\windows-x86_64\bin\clang++.exe --target=x86_64-none-linux-android --gcc-toolchain=C:/android-ndk-r15c/toolchains/x86_64-4.9/prebuilt/windows-x86_64 --sysroot=C:/android-ndk-r15c/sysroot -fPIC -isystem C:/android-ndk-r15c/sysroot/usr/include/x86_64-linux-android -D__ANDROID_API__=21 -g -DANDROID -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -Wa,--noexecstack -Wformat -Werror=format-security -std=c++11 -fexceptions -O0 -fno-limit-debug-info -Wl,--exclude-libs,libgcc.a --sysroot C:/android-ndk-r15c/platforms/android-21/arch-x86_64 -Wl,--build-id -Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--no-undefined -Wl,-z,noexecstack -Qunused-arguments -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libnative-lib.so -o ..\..\..\..\build\intermediates\cmake\debug\obj\x86_64\libnative-lib.so CMakeFiles/native-lib.dir/src/main/cpp/native-lib.cpp.o -llog -lm "C:/android-ndk-r15c/sources/cxx-stl/gnu-libstdc++/4.9/libs/x86_64/libgnustl_static.a" && cd ."
D:\workspace\AndroidAudioNDK\app\src\main\cpp/native-lib.cpp:35: error: undefined reference to 'AAssetManager_fromJava'
D:\workspace\AndroidAudioNDK\app\src\main\cpp/native-lib.cpp:35: error: undefined reference to 'AAssetManager_open'
D:\workspace\AndroidAudioNDK\app\src\main\cpp/native-lib.cpp:35: error: undefined reference to 'AAsset_openFileDescriptor'
D:\workspace\AndroidAudioNDK\app\src\main\cpp/native-lib.cpp:44: error: undefined reference to 'AMediaExtractor_new'
...
我找到了解决这个问题的方法:
adding the
android
lib to
LOCAL_LDLIBS
但是
怎么
要在最新的Android Studio(3.1.3)中执行此操作吗?在这个答案下,我尝试过其他的解决方案,但它们都不适用于我:构建错误仍然存在。