<pre>Hi Neundorf; <br><br>Thanks for your kindly response on this issue. <br><br>>Usually it is not that slow.<br>>Can you give us some more information ?<br>>Of how many files consists your target approximately ?<br>>Under which operating system ?<br>>Is it maybe on NFS or samba ?<br><br><br>I try to build a lib based on about 300 source files.<br>OS: Ubuntu 10.04 based on Oracle VM VirtualBox. <br>CMKAE: V 2.8.3 <br><br>I use NFS, files share between WinXP and VM VirtualBox, but I don't think it is root cause here, since if only using native Linux Ext3, the same, very slow to scan dependency. <br><br>Now I use make mylib/fast to go on, otherwise it will block undergoing process. <br></pre>My question: which factors will cause it so low? <br><div></div><pre>a) Bad design, header files dependency so much. <br>b) CMake INCLUDE_DIRECTORIES, too many include? <br>d) ...<br><br>Thanks for your help. <br><br><br><br>At 2011-06-03 13:11:05£¬"Alexander Neundorf" <a.neundorf-work@gmx.net> wrote:
>On Friday, June 03, 2011 04:01:54 AM jianhua wrote:
>> Hey all;
>>
>> I am a new bible of CMAKE, I just use cmake to rewrite my previous project,
>> the problem is that the process "Scanning dependencies of target " is
>> really very slow, it will always take more than 20 to 30 minutes for
>> scanning. What does CMAKE do to scan dependencies of target? Why so
>> slow? Is it my project source files dependency issue? If yes, how do I
>> improve it? Could you give me some guidence?
>
>Usually it is not that slow.
>Can you give us some more information ?
>Of how many files consists your target approximately ?
>Under which operating system ?
>Is it maybe on NFS or samba ?
>
>Alex
</pre><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>