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ccache

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  1. Installing ccache and using it is not as complicated as you might think .

    安装和使用ccache并不像您可能想像的那样复杂。

  2. You can improve compile times even more when using ccache in combination with distcc .

    组合使用ccache和distcc,您可以更进一步地改进编译时间。

  3. To download the latest version ( 2.4 ) of ccache , see the Resources section .

    要下载ccache的最新版本(2.4),请参考参考资料小节。

  4. The following are some of the environment variables you can use to customize the ccache setup

    下面是一些可用于自定义ccache安装的环境变量

  5. Use ccache to further speed up compilation

    使用ccache进一步提高编译速度

  6. CC sets the name of the C compiler to use in the first instance ( ccache ) .

    CC设置首先使用的C编译器的名称(ccache)。

  7. As previously mentioned , the effects of ccache won 't be felt on the first compilation .

    如前所述,在第一次编译时,ccache的影响不会为人所察觉。

  8. As mentioned above , ccache works by sitting between you and your normal compiler .

    如上所述,ccache在您与您的普通编译器之间进行工作。

  9. You can use ccache with or without distcc .

    使用ccache时,可以带有distcc,也可以不带。

  10. Here 's a ample make invocation with ccache and distcc

    下面是一个使用ccache和distcc的make调用示例

  11. CCACHE_TEMPDIR & Specifies the folder where ccache puts temporary files that it generates .

    CCACHETEMPDIR&指定放置ccache生成的临时文件的文件夹。

  12. The simplest usage of ccache is as follows : ccache g + + - o

    ccache最简单的用法如下:ccacheg++-o

  13. CCACHE_DIR specifies the location of the ccache directory .

    CCACHEDIR指定了高速缓存目录的位置。

  14. We need something meaty to compile , because ccache works best when it has cached the parsed header files .

    我们需要编译一个足够大的项目,因为ccache在高速缓存了解析过的头文件时运转效果最好。

  15. CCACHE_PREFIX & Adds a prefix to the command line that ccache uses to invoke the compiler proper .

    CCACHEPREFIX&向ccache用于完全调用编译器的命令行添加一个前缀。

  16. CCACHE_DIR & Specifies the folder where ccache stores the precompiled outputs .

    CCACHEDIR&指定ccache存储预编译输出的文件夹。

  17. CCACHE_LOGFILE & If set , tells ccache to record the hit and miss statistics from the cache in this file .

    CCACHELOGFILE&设置这个选项告诉ccache随机记录该文件在缓存中的统计信息。

  18. CCACHE_DISABLE & If set , tells ccache to invoke the compiler proper , bypassing the cache .

    CCACHEDISABLE&设置这个选项告诉ccache完全调用编译器,从而绕过缓存。

  19. By default , ccache uses a directory within the current user 's home directory ( $ HOME / . ccache ) to hold the cache information .

    默认情况下,ccache使用当前用户主目录中的一个目录($HOME/.ccache)来保持高速缓存信息。

  20. In this article , you 've seen how much of a speed improvement you can obtain from a relatively straightforward and easy-to-use tool such as ccache .

    在本文中,您已经了解了通过ccache等相当直观而且易用的工具可以获得怎样的速度上的提高。

  21. This is a common convention , but not a requirement as you can see from / usr / lib / ccache .

    这是一个常见的习惯,但是正如/usr/lib/ccache一样,不是必须要求。

  22. CCACHE_PREFIX defines a prefix to use when ccache calls the true compiler to compile the source ( after preprocessing ) .

    CCACHEPREFIX定义了当ccache调用真实的编译器来编译源文件(预处理之后)时所使用的前缀。

  23. If you are using ccache across a network of machines , make sure the directory you share is exported over NFS and mounted on each client .

    如果您是在网络中多台机器上使用ccache,那么要确保您共享的目录要通过NFS导出(export)并挂载到每一个客户机上。

  24. You can also use ccache , a tool that drastically reduces the time it takes to clean-build a system , often by a factor of5 to10 .

    还可以使用ccache,这个工具能大大减少编译清理时间(减少到原来的五分之一至十分之一)。

  25. This article has delved into the GNU make , distcc , and ccache tools , which can help you parallelize the build process .

    本文探讨了GNUmake、distcc和ccache,这些工具能够并行分布编译过程。

  26. If ccache isn 't installed in / usr / bin , verify that the ccache location is defined as part of the PATH environment variable .

    如果ccache没有安装在/usr/bin,则检查ccache的位置是否定义为PATH环境变量的一部分。

  27. To use distcc and ccache in this way , configure distcc on your hosts and distcc and ccache on your main development machine .

    要以这种方式来使用distcc和ccache,需要在主机上配置distcc,在主要的开发机器上配置distcc和ccache。

  28. Ccache makes the first check to decide whether the copy in the local cache suffices ; otherwise , it hands the baton to distcc for distributed compilation .

    ccache进行第一次检查,确定副本是否存在本地缓存中;如果不存在,就由distcc进行分布式编译。

  29. While recompiling , if ccache detects no changes in the preprocessed source and compiler options , it retrieves its cached copy of the previously compiled output .

    在重新编译时,如果ccache未在预处理源代码和编译器选项中检测到任何更改,它就检索以前编译输出的缓存副本。

  30. CCACHE_RECACHE & If set , tells ccache to ignore the existing entries in the cache and calls the compiler ; but for new entries , it caches the result .

    CCACHERECACHE&设置这个选项告诉ccache忽略缓存中现有的条目并调用编译器;但对于新的条目,则缓存结果。