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  4. 作为Qt新手,一些基础的问题求指教
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作为Qt新手,一些基础的问题求指教

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  • L Offline
    L Offline
    liguoqiang
    wrote on last edited by
    #1

    关于站点上的离线安装包,我看到有很多种,linux的安装包有32位和64位的区分,请问这两个安装包具体有什么方面的不同?我是64位的linux的话,是要两个都安装,还是仅仅安装64位的? 还有linux下android的安装包我也想了解下,貌似也分为32位和64位。
    谢谢!

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    • V Offline
      V Offline
      Vincent007
      wrote on last edited by
      #2

      仅仅安装64位的,就可以.

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      • L Offline
        L Offline
        liguoqiang
        wrote on last edited by
        #3

        谢谢。我想问下32位的版本和64位的版本有些什么大致的区别?另外,如果我使用64位编译的程序能否在32位平台下运行?谢谢。
        [quote author="Vincent007" date="1397987995"]仅仅安装64位的,就可以.[/quote]

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        • V Offline
          V Offline
          Vincent007
          wrote on last edited by
          #4

          主要分別是可使用的記憶體量, 64位的版本 比 32位的版本 多很多.

          使用64位编译的程序應該不能在32位平台下运行. 反過來就可以, 即是 使用32位编译的程序能在64位平台下运行.

          "Lessons on development of 64-bit C/C++ applications":http://www.viva64.com/en/l/

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          • L Offline
            L Offline
            liguoqiang
            wrote on last edited by
            #5

            那么,我如果想要让编译的程序可以支持32位平台,还需要装32位版本的Qt,是吧?
            [quote author="Vincent007" date="1397998053"]主要分別是可使用的記憶體量, 64位的版本 比 32位的版本 多很多. 使用64位编译的程序應該不能在32位平台下运行. 反過來就可以, 即是 使用32位编译的程序能在64位平台下运行. "Lessons on development of 64-bit C/C++ applications":http://www.viva64.com/en/l/[/quote]

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            • V Offline
              V Offline
              Vincent007
              wrote on last edited by
              #6

              單安装32位版本的Qt就可以了.

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              • L Offline
                L Offline
                liguoqiang
                wrote on last edited by
                #7

                那我64位的creator如果采用32位的gcc编译器以及qmake,是否也可以开发基于32位平台的程序?

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                • L Offline
                  L Offline
                  liguoqiang
                  wrote on last edited by
                  #8

                  那我64位的creator如果采用32位的gcc编译器以及qmake,是否也可以开发基于32位平台的程序?
                  [quote author="Vincent007" date="1398001697"]單安装32位版本的Qt就可以了.[/quote]

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                  • V Offline
                    V Offline
                    Vincent007
                    wrote on last edited by
                    #9

                    你試一下不就知道嗎?

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                    • J Offline
                      J Offline
                      jiangcaiyang
                      wrote on last edited by
                      #10

                      Linux版本的就安装64位的,Android的现在一般是32位的,只有高大上的苹果系统才会采用64位。

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                      • M Offline
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                        maatong
                        wrote on last edited by
                        #11

                        据我的经验,可以安装64位的,如果之后需要32位的东西,那么再安装一下32位的库
                        sudo apt-get install ia32-libs

                        https://www.linkedin.com/pub/yini-guo/71/4b3/4a0

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                        • L Offline
                          L Offline
                          liguoqiang
                          wrote on last edited by
                          #12

                          嗯 明白了,谢谢。
                          [quote author="jiangcaiyang" date="1398099369"]Linux版本的就安装64位的,Android的现在一般是32位的,只有高大上的苹果系统才会采用64位。[/quote]

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                          • L Offline
                            L Offline
                            liguoqiang
                            wrote on last edited by
                            #13

                            嗯 这样应该是可以的。
                            [quote author="maatong" date="1398104864"]据我的经验,可以安装64位的,如果之后需要32位的东西,那么再安装一下32位的库 sudo apt-get install ia32-libs[/quote]

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