On 2005-04-12 12:36 PM, Greg Kilfoyle wrote:
I have implemented dependency generation based on the information from
this web page: http://make.paulandlesley.org/autodep.html
[...]
Let's say I have just done a complete build and everything is up-to-
date. I then manually remove a dependency file for a particular .c file
and update a header file that the .c file is dependent on. If I then run
make, the .c file is not rebuilt.
Dependency files cache information that this technique needs;
it breaks if you remove them. Make won't recreate them when
that happens--they're created only as a side effect of the .o
rule. But you could guard against that by executing
for z in *.o; { [ ! -e ${z%.o}.d ] && rm $z }
to remove any .o file whose .d file is gone.
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