turn on shell tracing of a makefile


 
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# 1  
Old 12-12-2008
turn on shell tracing of a makefile

hey, within a shell script file I know how to turn on tracing using "-x"
#!/bin/bash -x

now I have a complicated makefile which contains lots of `command`, and i would like to trace these `command`, where shall i put the option "-x"?

thanks!
# 2  
Old 12-12-2008
make -d
will gives lots of debug information generated by `make`. however the variable expansion is not shown in the output.
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