[GitHub] ccollins476ad opened a new issue #149: [Windows] Command line length exceeded for split images

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ccollins476ad opened a new issue #149: [Windows] Command line length exceeded for split images
URL: https://github.com/apache/mynewt-newt/issues/149
 
 
   When building a split image in Windows, newt will likely fail witha message similar to the following:
   ```
   Error: fork/exec C:\Program Files (x86)\GNU Tools ARM Embedded\7.0 2017q4\bin\arm-none-eabi-objcopy.exe: The filename or extension is too long.
   ```
   
   It seems Windows 7+ limits the command line length to 32767 characters [1].  The objcopy command that elicited the above error is 80819 characters long, well in excess of the maximum.
   
   Normally, the objcopy command isn't so massive.  However, for split images, target is a split image, newt needs to specify which symbols go in which image (loader or app).  Newt does this by explicitly specifying each symbol to keep usingthe `-K <symbol>` syntax.
   
   [1] https://blogs.msdn.microsoft.com/oldnewthing/20031210-00/?p=41553

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