Hi!
Does anyone have an elegant method to include the time of
build (really, time of final link stage) automatically into
a program target?
It would be easy to just prepend a phony target as prerequisite
which creates a build_time.h or so.
However, I want it to capture the time and re-link only when
any of the main target's prerequisites has changed.
What I have now is:
program: $(OBJECTS)
echo "const char build_time[] = \"`date`\";" > build.c
$(CC) -c build.c
$(CC) -o $@ $(OBJECTS) build.o
However, with this approach, I have to use an explicit
compiler call to compile build.c - it would be nicer if I could
let a pattern rule force compilation of build.c.
Is there a better way to do this?
--
Martin
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