mex C compiler cannot find .c file

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Kelsie Zhao
Kelsie Zhao 2015-5-6
评论： James Tursa 2015-5-6
I am using 64bit matlab 2013a, have installed windows SDK 7.1 and used mex -setup to locate that c compiler.
However, when I tried to use it by compiling the example .c file,
cd([matlabroot '\extern\examples\mex'])
mex yprime.c
it prompts me, ...\BIN\MEX.PL: Error: 'yprime.c' not found .
But the file is just inside the directory.
I doubt it is the C compiler problem so I uninstalled and installed it again but the program retains.
Another confusing part is that, when I did "mex -setup", the located Microsoft SDK 7.1 is in " C:\Program Files (x86)\Microsoft Visual Studio 10.0", which seems to suggest it is in 32bit directory.
But I download SDK 7.1 installer from the website suggested for Windows 64bit..
I am completely confused. Any suggestion is gratefully welcomed!

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回答（1 个）

James Tursa
James Tursa 2015-5-6
What do you get whey you type:
dir yprime.c
Also, as a general rule you should copy source files from their original directories into your working directory and compile them there, rather than compiling them in the source directory.
  2 个评论
Kelsie Zhao
Kelsie Zhao 2015-5-6
Hi Thanks for the suggestions. Before I saw your response I reinstalled Matlab, so right now it is giving me a different error. When I type
mex yprime.c
it gives me
Building with 'Microsoft Windows SDK 7.1 (C)'.
Error using mex_
Creating library yprime.lib and object yprime.exp
I then re-installed Matlab 32 bit, it gives a similar error.
Do you have any idea what this is?
James Tursa
James Tursa 2015-5-6
Do you have "write" privilege in the directory you are using? The error message looks like it can't create the files.

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