How can I modify the build information for mex code generation with the codegen function?
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I would like to define a custom toolchain that I can use to set compiler and linker options, among other settings. However, after performing the command:
>> cfg = coder.config('mex')
I do not see any such option.
I would like to specify compiler and linker flags, or otherwise edit the build configuration using the codegen command. How can I do this without manually editing the makefile for mex code generation?
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MathWorks Support Team
2021-3-9
编辑：MathWorks Support Team
2021-3-9
Codegen('mex') does not support custom toolchains, as noted in the documentation at the following link:
Compiler settings are inherited from the "mex -setup" command.
Instead, you can use the Post-Code-generation command to pass a custom Build Information Object to the "codegen" command.
For example, you could add a link flag with the following function:
function setbuildargs(buildInfo)
linkFlags = {'-lpthread'};
buildInfo.addLinkFlags(linkFlags);
cfg = coder.config('mex');
end
That function can then be used to pass the build information object via the PostCodeGenCommand:
>> cfg.PostCodeGenCommand = 'setbuildargs(buildInfo)';
More information and further examples can be found in the documentation at the following link:
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2021-3-9
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