Michael Marsh wrote:
> On 12/14/05, H. S. <[EMAIL PROTECTED]> wrote:
>
>>I am trying to make a makefile to convert PDFs in a directory to 4-up
>>PDFs using psnup but I am not able to.
>
>
> Off hand, I'd probably use something like:
>
> #### BEGIN MAKEFILE ####
> SRCS := $(filter-out %-4up.pdf,$(wildcard *.pdf))
> DESTS := $(patsubst %.pdf,%-4up.pdf,$(SRCS))
>
> default : $(DESTS)
>
> %.ps : %.pdf
> acroread -toPostScript $<
>
> %-4up.ps : %.ps
> psnup -m0.5cm -l -Pletter -pletter -4 $< > $@
>
> %-4up.pdf : %-4up.ps
> ps2pdf $<
>
> #### END MAKEFILE ####
>
> Remember to change the spaces to tabs for the action lines. Gmail
> won't let me enter a tab by hand. There's a circular dependency, but
> it doesn't seem to cause problems. Since you have tighter naming
> rules, you can probably change
>
> %.ps : %.pdf
>
> to
>
> %N.ps : %N.pdf
>
That gave me a start. The circular dependency was a problem. Had to
change a few things to arrive at the following makefile which works
(tried "make -n" and all commands seem to work as expected):
############ start ############################################
SRCS:= $(filter-out %-4up.pdf,$(wildcard *.pdf))
DESTS:= $(patsubst %N.pdf,%N-4up.pdf,$(SRCS))
.SUFFIXES:
.SUFFIXES: .pdf .ps N.ps N.pdf N-4up.pdf N-4up.ps
default : $(DESTS)
P:
echo $(DESTS)
%N.ps: %N.pdf
# echo "First Step: making PS of $<"
acroread -toPostScript $<
%N-4up.ps : %N.ps
# echo "Second Step: Makaing psnup of $<"
psnup -m0.5cm -l -Pletter -pletter -4 $< > $@
%N-4up.pdf : %N-4up.ps
# echo "Third Step: making PDF of psnup"
ps2pdf $<
############ end ############################################
Defining the suffixes was important. And the restrictions on the output
filenames (*N.pdf and *N-4up.pdf) actually helped in resolving the
circular dependencies.
Thanks,
->HS
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