# The default postprocessor can be changed automatically as described below.
# This default can be overridden by reading the appropriate configuration file
# into m4.

# Some of the steps could be simplified on many systems.

default:
	@echo "Usage:"
	@echo "  make psdefault"
	@echo "  make pgfdefault"
	@echo "  make gpicdefault"
	@echo "  make clean"
	@echo "  make clobber"

SH = sh
# SH = bash

#                                 To set the default postprocessor to
#                                 dpic -p with pstricks, type "make psdefault"
psdefault:
	echo '/define(`m4defaultprocessor/s%[a-z][a-z]*)%pstricks)%' \
      > x.sed
	ls *.m4 | sed -e 's%^ *\(.*\)$$%sed -f x.sed \1 > xxx; mv xxx \1%' | $(SH)
	@rm -f x.sed

#                                 To set the default postprocessor to
#                                 dpic -g with TikZ PGF, type "make pgfdefault"
pgfdefault:
	echo '/define(`m4defaultprocessor/s%[a-z][a-z]*)%pgf)%' > x.sed
	ls *.m4 | sed -e 's%^ *\(.*\)$$%sed -f x.sed \1 > xxx; mv xxx \1%' | $(SH)
	@rm -f x.sed

#                                 To set the default postprocessor to
#                                 gpic -t type "make gpicdefault"
gpicdefault:
	echo '/define(`m4defaultprocessor/s%[a-z][a-z]*)%gpic)%' > x.sed
	ls *.m4 | sed -e 's%^ *\(.*\)$$%sed -f x.sed \1 > xxx; mv xxx \1%' | $(SH)
	@rm -f x.sed

clean:
	rm -f `find . -name \*~ -print` x.sed xxx
	(cd doc; make clean)
	(cd examples; make clean)

clobber:
	rm -f `find . -name \*~ -print`
	(cd doc; make clobber)
	(cd examples; make clobber)