Geoffrey Young wrote:
the leading '-' tells make to ignore any errors. removing it makes the
error fatal.
- print $fh "$dir-$targ:\n\t-cd $dir && \$(MAKE) $targ\n\n";
+ print $fh "$dir-$targ:\n\tcd $dir && \$(MAKE) $targ\n\n";
I always thought that the - only applied to the cd command (in this case)
and wouldn't distribute across the &&. but make certainly isn't one of my
better areas.
Command line prefixes always apply to the whole line so you can read them
as:
-(cd $dir && \$(MAKE) $targ)
like in verbosity level:
@cd $dir && \$(MAKE) $targ
but I had no idea that '-' makes things non-fatal ;)
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