[bug #56764] Different behavior of printf command executed from Makefile and from shell.

[Paul D. Smith]

Update of bug #56764 (project make):

                  Status:                    None => Not A Bug              
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #2:

The problem is you're using a non-standard argument to the printf function.

When you run it from your command line, you're using the printf "utility"
which is a built-in of the bash shell.  That version of printf supports the
non-standard enhancement of \xHH where HH are hexadecimal digits.

When make invokes printf it's assuming a POSIX shell, and running the
/usr/bin/printf executable not the bash builtin.

That utility apparently doesn't provide this extension and only supports the
standard POSIX printf definition, which you can find here:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/printf.html

If you want to print binary values, you should use the standard octal format
\OOO where O are octal digits.  That will work in both situations.

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