How do I get rid of "gmake: *** [main.obj] Error 1" when using MATLAB Coder?

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TyMcMe
TyMcMe 2020-7-31
回答： Nipun Katyal 2020-8-10
I am following the "Generating Standalone C/C++ Executables from MATLAB Code" found here: https://www.mathworks.com/help/coder/ug/standalone-c-c-executables-from-matlab-code.html
I execute the following commands in the Command Window:
cfg = coder.config('exe');
cfg.CustomSource = 'main.c';
cfg.CustomInclude = 'c:\myfiles';
codegen -config cfg coderand
Upon execution I get the following error message:
------------------------------------------------------------------------
"C:\PROGRA~3\MATLAB\SUPPOR~1\R2020a\3P778C~1.INS\MINGW_~1.INS\bin/gcc" -c -fwrapv -m64 -O3 -fno-loop-optimize -fno-aggressive-loop-optimizations -D__USE_MINGW_ANSI_STDIO=1 -DMODEL=coderand -DMODEL=coderand @coderand_rtw_comp.rsp -o "main.obj" "C:/myfiles/main.c"
gmake: *** [main.obj] Error 1
The make command returned an error of 2
Error(s) encountered while building "coderand":
### Failed to generate all binary outputs.
------------------------------------------------------------------------
??? Build error: C compiler produced errors. See the Build Log for further details.
More information
Code generation failed: View Error Report
Error using codegen
Any help on this issue would be greatly appreciated.

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回答（1 个）

Nipun Katyal
Nipun Katyal 2020-8-10
After the generation of code you will find the main function in “/codegen/lib/coderand/examples” folder. Create another folder “myfiles” in “/codegen/lib/coderand/” directory and copy the “main.c “ and “main.h” file to those directory. Apply the modifications mentioned in the documentation. Go to the directory containing the “coderand.m” function and execute the following commands.
cfg = coder.config('exe');
cfg.CustomSource = '.\codegen\lib\coderand\myfiles\main.c';
cfg.CustomInclude = '.\codegen\lib\coderand\myfiles';
codegen -config cfg coderand
The executable will be generated in the same directory, which can be executed using the system command.
system('coderand')

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