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bsd make and .IMPSRC - incomplete documentation?
Hi. May be I missed something important but the following Makefile
doesn't work as it is documented.
man make says
.IMPSRC The name/path of the source from which the target
is to be transformed (the ``implied'' source);
also known as `<'.
.IMPSRC is expanded to the empty string. What's wrong?
~> cat Makefile
file.ext : file.src
cp ${.IMPSRC} ${.TARGET}
~> touch file.src
~> make file.ext
cp file.ext
usage: cp [-R [-H | -L | -P]] [-f | -i] [-pv] src target
cp [-R [-H | -L | -P]] [-f | -i] [-pv] src1 ... srcN directory
*** Error code 1
Stop.
make: stopped in /home/cheusov
~>
--
Best regards, Aleksey Cheusov.
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