在Cloud9上安装亚马逊C++软件开发工具包时出现问题

Question

我正在尝试在我的Cloud9环境(m4.Large)上安装亚马逊网络服务软件开发工具包( C++ SDK )。我遵循了this教程中的步骤。

我的步骤：

sudo yum -y install libcurl-devel openssl-devel libuuid-devel cmake3


wget https://github.com/aws/aws-sdk-cpp/archive/master.zip
unzip master.zip
rm master.zip

mkdir sdk_build && cd sdk_build

cmake3 ../aws-sdk-cpp-master -DBUILD_ONLY="dynamodb" //I changed s3 to dynamodb

make && cd ..

在文件dynamodb-demo.cpp中

#include <aws/core/Aws.h>

int main(){ return 0;}

在CMakeLists.txt中

cmake_minimum_required(VERSION 2.8)

project(dynamodb-demo)

find_package(aws-sdk-cpp)
add_definitions(-DUSE_IMPORT_EXPORT)
add_executable(dynamodb-demo dynamodb-demo.cpp)
target_link_libraries(dynamodb-demo aws-cpp-sdk-dynamodb)

问题似乎出在这里，这个命令并没有抛出错误，而是抛出了一个警告：

cmake3 -Daws-sdk-cpp_DIR=sdk_build .

输出：

    CMake Warning at /usr/share/cmake3/Modules/CMakeFindDependencyMacro.cmake:65 (find_package):
  By not providing "Findaws-c-event-stream.cmake" in CMAKE_MODULE_PATH this
  project has asked CMake to find a package configuration file provided by
  "aws-c-event-stream", but CMake did not find one.

  Could not find a package configuration file provided by
  "aws-c-event-stream" with any of the following names:

    aws-c-event-streamConfig.cmake
    aws-c-event-stream-config.cmake

  Add the installation prefix of "aws-c-event-stream" to CMAKE_PREFIX_PATH or
  set "aws-c-event-stream_DIR" to a directory containing one of the above
  files.  If "aws-c-event-stream" provides a separate development package or
  SDK, be sure it has been installed.
Call Stack (most recent call first):
  sdk_build/aws-cpp-sdk-core/aws-cpp-sdk-core-config.cmake:2 (find_dependency)
  sdk_build/aws-sdk-cpp-config.cmake:1 (include)
  CMakeLists.txt:14 (find_package)


CMake Warning at CMakeLists.txt:14 (find_package):
  Found package configuration file:

    /home/ec2-user/environment/sdk_build/aws-sdk-cpp-config.cmake

  but it set aws-sdk-cpp_FOUND to FALSE so package "aws-sdk-cpp" is
  considered to be NOT FOUND.  Reason given by package:

  aws-sdk-cpp could not be found because dependency aws-c-event-stream could
  not be found.



-- Configuring done
-- Generating done
-- Build files have been written to: /home/ec2-user/environment

因此，make命令抛出fatal error: aws/core/Aws.h: No such file or directory，我可以理解，所以我猜错误应该在上面的命令中。

我还没有配置我的AWS凭证，但我认为这不会抛出这些错误。这个问题似乎与cmake有关。

一些研究表明，aws-c-event-stream-config.cmake应该位于它所在的/home/ec2-user/environment/sdk_build/.deps/install/lib64/aws-c-event-stream/cmake。

也许解决方案很简单，但我对cmake只有基本的了解。

Answer 1

在Tsyvarev's的帮助下，项目可以进行以下配置：

cmake3 -DCMAKE_PREFIX_PATH=/home/ec2-user/environment/sdk_build/.deps/install/lib64/aws-checksums/cmake\;/home/ec2-user/environment/sdk_build/.deps/install/lib64/aws-c-common/cmake\;/home/ec2-user/environment/sdk_build/.deps/install/lib64/aws-c-event-stream/cmake\;/home/ec2-user/environment/sdk_build .

我也需要改变一些事情：

构建AWS核心(不确定是否需要)：

cmake3 ../aws-sdk-cpp-master -DBUILD_ONLY="core;dynamodb"

将此代码添加到您的CMakeLists.txt

target_link_libraries(dynamodb-demo aws-cpp-sdk-core)

并将标准设置为C++ 11：

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)