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| R2012a Documentation → MATLAB Compiler | |
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CTF data is automatically embedded directly in the C/C++, main and Winmain, shared libraries and standalones by default. It is also extracted by default to a temporary folder.
Automatic embedding enables usage of MCR Component Cache features through environment variables.
These variables allow you to specify the following:
Define the default location where you want the CTF archive to be automatically extracted
Add diagnostic error printing options that can be used when automatically extracting the CTF, for troubleshooting purposes
Tuning the MCR component cache size for performance reasons.
Use the following environment variables to change these settings.
| Environment Variable | Purpose | Notes |
|---|---|---|
| MCR_CACHE_ROOT | When set to the location of where you want the CTF archive to be extracted, this variable overrides the default per-user component cache location. | Does not apply |
| MCR_CACHE_VERBOSE | When set to any value, this variable prints logging details about the component cache for diagnostic reasons. This can be very helpful if problems are encountered during CTF archive extraction. | Logging details are turned off by default (for example, when this variable has no value). |
| MCR_CACHE_SIZE | When set, this variable overrides the default component cache size. | The initial limit for this variable is 32M (megabytes). This may, however, be changed after you have set the variable the first time. Edit the file .max_size, which resides in the file designated by running the mcrcachedir command, with the desired cache size limit. |
You can override this automatic embedding and extraction behavior by compiling with the -C option. See Overriding Default Behavior for more information.
Caution If you run mcc specifying conflicting wrapper and target types, the CTF will not be embedded into the generated component. For example, if you run: mcc -W lib:myLib -T link:exe test.m test.c the generated test.exe will not have the CTF embedded in it, as if you had specified a -C option to the command line. |
To extract the CTF archive in a manner prior to R2008a, alongside the compiled shared library or executable, compile using the option -C Do Not Embed CTF Archive by Default.
You can also implement this override by checking the appropriate Option in the Deployment Tool.
You might want to use this option to troubleshoot problems with the CTF archive, for example, as the log and diagnostic messages are much more visible.
For more information about the CTF archive, see Component Technology File (CTF Archive).
 | Invoke MATLAB Build Options | Explicitly Including a File for Compilation Using the %#function Pragma |  |
Learn how to build standalone executables and C/C++ shared libraries from MATLAB code.
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