Riccardo Manfrin <[email protected]> writes:
> and then mux their compiling process with rules like the following:
>
> %.o : %.cpp
> $(COMPILE) -c ... $< -o $@
Something like this?
$(OBJDIR)/%.o : %.cpp
$(COMPILE) -c ... $< -o $@
If subdirectories might not exist in OBJDIR, you can create them like
this:
.SECONDEXPANSION: # to expand $$(@D)/.DIR
$(OBJDIR)/%.o : %.cpp | $$(@D)/.DIR
$(COMPILE) -c ... $< -o $@
%/.DIR :
@mkdir -p $(@D)
@touch $@
An alternative is to invoke make from the build directory and use VPATH
to locate the source files, but that looks less natural from what you've
shown.
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