2017-06-12 104 views
0

我正在开发一个Android NDK项目,并且我想使用libcurl库从C++下载资源。我正在使用NDK的内置ndk-build工具。在生成过程中,我得到以下错误:在Android NDK中使用libcurl

Build command failed. 
Error while executing process /Users/afarm/Library/Android/sdk/ndk-bundle/ndk-build with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=/Users/afarm/AndroidStudioProjects/NativeOpenGL/engine/Android.mk APP_ABI=armeabi NDK_ALL_ABIS=armeabi NDK_DEBUG=1 APP_PLATFORM=android-15 NDK_OUT=/Users/afarm/AndroidStudioProjects/NativeOpenGL/engine/build/intermediates/ndkBuild/debug/obj NDK_LIBS_OUT=/Users/afarm/AndroidStudioProjects/NativeOpenGL/engine/build/intermediates/ndkBuild/debug/lib APP_SHORT_COMMANDS=false LOCAL_SHORT_COMMANDS=false -B -n} 
Android NDK: /Users/afarm/AndroidStudioProjects/NativeOpenGL/engine/Android.mk: Cannot find module with tag 'libcurl' in import path  
Android NDK: Are you sure your NDK_MODULE_PATH variable is properly defined ?  
Android NDK: The following directories were searched:  
Android NDK: 

这里是我的Android.mk:

LOCAL_PATH := $(call my-dir) 

include $(CLEAR_VARS) 

LOCAL_MODULE := engine-core 
LOCAL_CFLAGS := -Wall -Wextra 
APP_CPPFLAGS := -std=c++11 
APP_STL := gnustl_static 
NDK_TOOLCHAIN_VERSION := clang 
LOCAL_SRC_FILES := src/main/cpp/rendererwrapper.cpp \ 
        src/main/cpp/renderer.cpp \ 
        src/main/cpp/ShaderProgram.cpp \ 
        src/main/cpp/SimpleShaderProgram.cpp \ 
        src/main/cpp/NativeOpenGLShaderPrograms.c 
LOCAL_STATIC_LIBRARIES := libcurl 
LOCAL_LDLIBS := -llog -lGLESv2 -landroid 

include $(BUILD_SHARED_LIBRARY) 

$(call import-add-path,src/main/cpp) 
$(call import-module,libcurl) 

我已经下载了卷曲/ libcurl的版本,把它在src /主/ CPP /目录。我正在寻找一种将libcurl包含在项目中的方法。要清楚,我想使用官方的libcurl版本(不是移植版本)。

回答

0

我没有成功从源代码编译libcurl,但我确实发现了this link,其中包含为Android预先构建的静态libcurl二进制文件(还包括iOS二进制文件)。

对于后人,这里是(部分)我的新Android.mk:

LOCAL_PATH := $(call my-dir) 

################################ 
# Prepare libcurl 

include $(CLEAR_VARS) 

LOCAL_MODULE := libcurl 
LOCAL_SRC_FILES := libs/libcurl/$(TARGET_ARCH_ABI)/libcurl.a 
LOCAL_EXPORT_C_INCLUDES := libs/libcurl/include 

include $(PREBUILT_STATIC_LIBRARY) 

################################ 

################################ 
# Build engine 

include $(CLEAR_VARS) 

LOCAL_MODULE := engine-core 
LOCAL_CFLAGS := -Wall -Wextra 
LOCAL_CPPFLAGS := -std=c++11 
LOCAL_SRC_FILES := src/main/cpp/rendererwrapper.cpp \ 
        src/main/cpp/renderer.cpp \ 
        src/main/cpp/ShaderProgram.cpp \ 
        src/main/cpp/SimpleShaderProgram.cpp \ 
        src/main/cpp/NativeOpenGLShaderPrograms.c 
LOCAL_STATIC_LIBRARIES := libcurl 
LOCAL_LDLIBS := -llog -lGLESv2 -landroid 

include $(BUILD_SHARED_LIBRARY) 

################################