DESTDIR=/usr/local
MANEXT=1
BINDIR=$(DESTDIR)/bin
LIBDIR=$(DESTDIR)/lib/a2ac
MANDIR=$(DESTDIR)/man/man$(MANEXT)
TEXFONTDIR=$(DESTDIR)/share/texmf/fonts

CC=cc
INSTALL=install
MKDIR=mkdir -p
INSTPROGFLAGS=-s -m755
INSTEXECFLAGS=-m755
INSTDATAFLAGS=-m644

CFLAGS=-O
LFLAGS=-lm

all: a2ac mkfnt a2ac.$(MANEXT)

a2ac: a2ac.c
	$(CC) $(CFLAGS) $? -o $@ $(LFLAGS)

mkfnt: mkfnt.sh
	sed -e "s|@BINDIR@|$(BINDIR)|;\
		s|@LIBDIR@|$(LIBDIR)|;\
		s|@MANDIR@|$(MANDIR)|;\
		s|@MANEXT@|$(MANEXT)|;\
		s|@TEXFONTDIR@|$(TEXFONTDIR)|" mkfnt.sh > mkfnt;
	chmod a+x mkfnt

install: all install.man
	@if [ -d $(BINDIR) ]; then \
		set +x; else (set -x; $(MKDIR) $(BINDIR)); fi
	$(INSTALL) $(INSTPROGFLAGS) a2ac $(BINDIR)/a2ac
	@if [ -d $(LIBDIR) ]; then \
		set +x; else (set -x; $(MKDIR) $(LIBDIR)); fi
	for m in a2ac-cz.txt a2ac-eng.txt cscorr.tab* test8z.tex *.enc; do \
		$(INSTALL) $(INSTDATAFLAGS) $$m $(LIBDIR)/$$m; \
	done
	for m in mkfnt mkallfnt; do \
		$(INSTALL) $(INSTEXECLAGS) $$m $(LIBDIR)/$$m; \
	done

a2ac.$(MANEXT): a2ac.man
	sed -e "s|@BINDIR@|$(BINDIR)|;\
		s|@LIBDIR@|$(LIBDIR)|;\
		s|@MANDIR@|$(MANDIR)|;\
		s|@MANEXT@|$(MANEXT)|" a2ac.man > a2ac.$(MANEXT)

install.man: a2ac.$(MANEXT)
	@if [ -d $(MANDIR) ]; then \
		set +x; else (set -x; $(MKDIR) $(MANDIR)); fi
	$(INSTALL) $(INSTDATAFLAGS) a2ac.$(MANEXT) $(MANDIR)/a2ac.$(MANEXT)

clean:
	rm -f *.o *~ *.bak core a.out a2ac a2ac.$(MANEXT) mkfnt