Compiler error

2011 4 9
4 个回答
2 次查看（30 天）

1 个投票

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

0 个投票

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.

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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

0 个投票

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 2011-4-18
The above thread helped in resolving mexopt.bat error.
Thanx to Chirag Gupta.
Now there is a make error. Any one know what this is all about.
Kamran
Walter Roberson
Walter Roberson 2011-4-18
Please post more information about the make error.
Kamran
Kamran 2011-4-20
Well its a little long ill try to make it readable though
"Making simulation target "untitled_sfun", ...
C:\Users\Kamran\Documents\MATLAB\slprj\_sfprj\untitled\_self\sfun\src>call "mexopts.bat"
Microsoft (R) Program Maintenance Utility Version 10.00.30319.01
Copyright (C) Microsoft Corporation. All rights reserved.
### Compiling "untitled_sfun.c"
cl.exe /c /Zp8 /GR /W3 /EHs /D_CRT_SECURE_NO_DEPRECATE/D_SCL_SECURE_NO_DEPRECATE /D_SECURE_SCL=0 /DMATLAB_MEX_FILE /nologo /MD /MD /I "d:\installed software\matlab\extern\include" /I "d:\installed software\matlab\simulink\include" /I
"d:\installed software\matlab\stateflow\c\mex\include" /I
"d:\installed software\matlab\stateflow\c\debugger\include"
"untitled_sfun.c"
untitled_sfun.c
d:\installed software\matlab\extern\include\tmwtypes.h(43) :
fatal error C1083: Cannot open include file: 'limits.h': No such
file or directory
NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64\cl.exe"' : return code '0x2'
Stop."
Hope its what you wanted.
Kamran
Arnaud Miege
Arnaud Miege 2011-4-20
What code are you using in your Embedded MATLAB Function block?
Kaustubha Govind
Kaustubha Govind 2011-4-20
Do you see limits.h present in C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\include\? If not, your MSVC installation might be corrupt.
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

0 个投票

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

0 个投票

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 :)

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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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Kamran
2011-4-9

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