On 2008-02-06 23:57Z, Adam Lichtl wrote:
> If possible, I'd like to preserve a class of files matching a pattern
> (such as all object files). I agree that I don't want them to be
> preserved if the build is interrupted. Would this do the trick?:
>
> OBJ := hello.o
>
> .SECONDARY: $(OBJ)
>
> Or is there some more suave trick where I don't have to compile a list
> of all of my object files?
Returning to your original example, which was:
all : hello.x
%.x: %.o
gcc $< -o $@
%.o: %.c
gcc -c $<
First add this line:
hello.x: hello.o
and the '.o' file won't routinely be removed.
Then you don't need to specify a prerequisite for the '%.x'
rule; and you might want to use '$^' there instead of '$<'
%.x:
gcc $^ -o $@
so that it'll work for another '.x' file built from several
source files, e.g.
hello_goodbye.x: hello.o goodbye.o
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