Compiler error

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Kamran
Kamran 2011-4-9
Hey,
I have this error on my pc when I try to work with a "Embedded Matlab function block"
"Unable to locate 'mexopts.bat', and therefore cannot determine which compiler to use for simulation builds. Use 'mex -setup' to select a supported compiler."
I am using Matlab verR2010a win 64 bit.Do let me know if additional information is required.
Kamran Qureshi

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回答（4 个）

Walter Roberson
Walter Roberson 2011-4-9
At the command line, have you typed
mex -setup
??
Which compiler do you have installed? There are only a few supported compilers for that version.
  1 个评论
Kamran
Kamran 2011-4-18
Sorry for very late reply
Select a compiler:
[1] Microsoft Visual C++ 2008 Express in D:\VC
[0] None
these are the compilers available and on trying to install the first one I get an error
*****************************************************************************
Error: Could not find the 64-bit compiler. This may indicate that the
"X64 Compilers and Tools" or the Microsoft Windows Software
Development Kit (SDK) is not installed. To build 64-bit binaries,
Microsoft Visual C++ 2008 Express Edition requires that these two
packages be properly installed.
*****************************************************************************
Trying to update options file: C:\Users\Kamran\AppData\Roaming\MathWorks\MATLAB\R2010a\compopts.bat
From template: D:\INSTAL~1\MATLAB~1\bin\win64\mbuildopts\msvc90freecompp.bat
Done . . .
Kamran

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Chirag Gupta
Chirag Gupta 2011-4-18
Hi Kamran,
You should try this solution: http://www.mathworks.com/support/solutions/en/data/1-6IJJ3L/?solution=1-6IJJ3L
On 64 bit systems, you need a 64 bit compiler. By default, MSVC does not install the 64 bit Compiler tools as indicated by the error message.
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Kamran
Kamran 2011-4-21
well I re-installed my Visual C as well but still the same error.Also the only thing is its not registered, I dont think it should prevent it from using the compiler.
Kamran
Kamran
Kamran 2011-4-21
One other thing I'd like to mention, I dont see include folder in VC 10. IS the path provided correct ?
Kamran

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Kamran
Kamran 2011-4-20
I am just inverting my input,
y = 1-u;
Also can any one clerify, if this is a Matlab error or the code error.
Kamran
Kamran
Kamran 2011-4-21
I copied and pasted this piece of code from the thread Chirag Gupta posted earlier
For example, to select the compiler and build the YPRIME.C example MEX-file,
mex -setup % Select Visual Studio 2008 Express Edition
copyfile(fullfile(matlabroot,'extern','examples','mex','yprime.c'))
mex -v yprime.c
yprime(1,1:4)
The final line should execute the MEX-file, and calculate the following output:
ans =
2.0000 8.9685 4.0000 -1.0947
The make error was eliminated :)
  1 个评论
Kaustubha Govind
Kaustubha Govind 2011-4-22
Do you mean the issue is resolved with the Embedded MATLAB Function as well?

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