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Takes long duration for compilation
- 11-08-2006
- karthikbg
November 8, 2006, 12:10 pm
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Hi,
I have pretty big makefile for a embedded project with large number of
big modules . I find that it is taking hours to get compiled in linux
environment. How to get this done in few minutes as it is difficult
while debugging ?
I find that the Codewarrior Compiler compiles the same embedded
application in less than a minute.
Apart from changes in compiler dependent stuffs (assembly and other
conventions) in Codewarrior, the same code is used in linux
environment also.
Kindly share your views regarding this .
Tonnes of Thx in advans,
Karthik Balaguru
I have pretty big makefile for a embedded project with large number of
big modules . I find that it is taking hours to get compiled in linux
environment. How to get this done in few minutes as it is difficult
while debugging ?
I find that the Codewarrior Compiler compiles the same embedded
application in less than a minute.
Apart from changes in compiler dependent stuffs (assembly and other
conventions) in Codewarrior, the same code is used in linux
environment also.
Kindly share your views regarding this .
Tonnes of Thx in advans,
Karthik Balaguru
Re: Takes long duration for compilation
How big are we talking here? I consider the linux kernel Makefile
pretty big at 50k.
Have you tried compiling a single file manually, to see if it's
the compiler or your makefile taking longer time?
regards,
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Re: Takes long duration for compilation
hmmm, Obviously, the makefile is the culprit . Gcc is perfectly fast.
(No issues w.r.t it)
I am also aware of it.
Based on your feedback, I think the question should be reframed .
So, i should have askd the question like this - "Why linux environment
compilation & linking
takes long duration ? "
(Regarding Size - It is smaller than linux :) )
The project is having large number of directories & subdirectories.
Earlier i faced system resources problem . So, the sources (C and C++
are put separately)
are put in respective directories, headers in another directory with
libraries in other respective
separate dirctories etc.
But, since it has to refer lot of libraries /headers. i think, it is
taking time.
But, how is it possible that the Codewarrior compiler compiles in few
minutes for the
same set of source-code. It also internally uses makefile concepts
only.
And why mine is consuming such a long time ??
Where could be the problem ???
Thx in advans,
Karthik Balaguru
Re: Takes long duration for compilation
No offence, but it's a pretty silly question. Tell us how long it is
taking to compile, and what kind of machine you are running with (CPU,
memory etc).
On my two-way SMP machine the Linux 2.4.20 kernel compiles in about a
minute using a parallel compile.
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