On 6/5/2011 11:28 PM, jianhua wrote:
Hi Neundorf;
Thanks for your kindly response on this issue.
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 ?
I try to build a lib based on about 300 source files.
OS: Ubuntu 10.04 based on Oracle VM VirtualBox.
CMKAE: V 2.8.3
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.
Now I use make mylib/fast to go on, otherwise it will block undergoing process.
My question: which factors will cause it so low?
a) Bad design, header files dependency so much.
b) CMake INCLUDE_DIRECTORIES, too many include?
d) ...
Thanks for your help.
You should look at ./CMakeFiles/YourLib.dir/depend.make. What is in
that file? You can also do a make VERBOSE=1, and see exactly which part
of the process is taking a long time.
-Bill
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