Makefile: break apart steps in make clean
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The `make clean` target consists of a single `rm` call that passes every generated file, object file, and dependency directory. This results in a command line that's around 53,800 characters long. On Linux, the maximum length of a command line is 131,072 or 262,144 characters, however on Windows the limit is 32,768. The 53,800 character command simply fails to run on Windows, which is a problem when the first command that gets run is `make clean`. Break this target into steps, first removing the output files, then the object files, then any generated garbage, and then the object depedency directories. This fixes `make clean` (and as a result yosys) on Windows. Signed-off-by: Sean Cross <[email protected]>
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Re-creating this PR here since it's grown quite stale at berkeley-abc#54
The
make cleantarget consists of a singlermcall that passes everygenerated file, object file, and dependency directory. This results in
a command line that's around 53,800 characters long.
On Linux, the maximum length of a command line is 131,072 or 262,144
characters, however on Windows the limit is 32,768.
The 53,800 character command simply fails to run on Windows, which is a
problem when the first command that gets run is
make clean.Break this target into steps, first removing the output files, then the
object files, then any generated garbage, and then the object depedency
directories.
This fixes
make clean(and as a result yosys) on Windows.