procedures.sql: procedures.sql.in exchange_do_*.sql exchange_statistics_*.sql exchange_trigger_*.sql
	chmod +w $@ 2> /dev/null || true
	gcc -E -P -undef - < procedures.sql.in 2>/dev/null | sed -e "s/--.*//" | awk 'NF' - >$@
	chmod ugo-w $@

exchange-0002.sql: exchange-0002.sql.in 0002-*.sql
	chmod +w $@ 2> /dev/null || true
	gcc -E -P -undef - < exchange-0002.sql.in 2>/dev/null | sed -e "s/--.*//" | awk 'NF' - >$@
	chmod ugo-w $@

exchange-0003.sql: exchange-0003.sql.in 0003-*.sql
	chmod +w $@ 2> /dev/null || true
	gcc -E -P -undef - < exchange-0003.sql.in 2>/dev/null | sed -e "s/--.*//" | awk 'NF' - >$@
	chmod ugo-w $@

exchange-0004.sql: exchange-0004.sql.in 0004-*.sql
	chmod +w $@ 2> /dev/null || true
	gcc -E -P -undef - < exchange-0004.sql.in 2>/dev/null | sed -e "s/--.*//" | awk 'NF' - >$@
	chmod ugo-w $@

clean:
	rm procedures.sql
	rm exchange-0002.sql
	rm exchange-0003.sql
	rm exchange-0004.sql

all: procedures.sql exchange-0002.sql exchange-0003.sql exchange-0004.sql