1 files changed, 130 insertions, 0 deletions
diff --git a/xc/extras/regex/Makefile b/xc/extras/regex/Makefile
new file mode 100644
index 000000000..3882b3786
--- /dev/null
+++ b/xc/extras/regex/Makefile
@@ -0,0 +1,130 @@
+# You probably want to take -DREDEBUG out of CFLAGS, and put something like
+# -O in, *after* testing (-DREDEBUG strengthens testing by enabling a lot of
+# internal assertion checking and some debugging facilities).
+# Put -Dconst= in for a pre-ANSI compiler.
+# Do not take -DPOSIX_MISTAKE out.
+# REGCFLAGS isn't important to you (it's for my use in some special contexts).
+CFLAGS=-I. -DPOSIX_MISTAKE -DREDEBUG $(REGCFLAGS)
+
+# If you have a pre-ANSI compiler, put -o into MKHFLAGS.  If you want
+# the Berkeley __P macro, put -b in.
+MKHFLAGS=
+
+# Flags for linking but not compiling, if any.
+LDFLAGS=
+
+# Extra libraries for linking, if any.
+LIBS=
+
+# Internal stuff, should not need changing.
+OBJPRODN=regcomp.o regexec.o regerror.o regfree.o
+OBJS=$(OBJPRODN) split.o debug.o main.o
+H=cclass.h cname.h regex2.h utils.h
+REGSRC=regcomp.c regerror.c regexec.c regfree.c
+ALLSRC=$(REGSRC) engine.c debug.c main.c split.c
+
+# Stuff that matters only if you're trying to lint the package.
+LINTFLAGS=-I. -Dstatic= -Dconst= -DREDEBUG
+LINTC=regcomp.c regexec.c regerror.c regfree.c debug.c main.c
+JUNKLINT=possible pointer alignment|null effect
+
+# arrangements to build forward-reference header files
+.SUFFIXES:	.ih .h
+.c.ih:
+	sh ./mkh $(MKHFLAGS) -p $< >$@
+
+default:	r
+
+lib:	purge $(OBJPRODN)
+	rm -f libregex.a
+	ar crv libregex.a $(OBJPRODN)
+
+purge:
+	rm -f *.o
+
+# stuff to build regex.h
+REGEXH=regex.h
+REGEXHSRC=regex2.h $(REGSRC)
+$(REGEXH):	$(REGEXHSRC) mkh
+	sh ./mkh $(MKHFLAGS) -i _REGEX_H_ $(REGEXHSRC) >regex.tmp
+	cmp -s regex.tmp regex.h 2>/dev/null || cp regex.tmp regex.h
+	rm -f regex.tmp
+
+# dependencies
+$(OBJPRODN) debug.o:	utils.h regex.h regex2.h
+regcomp.o:	cclass.h cname.h regcomp.ih
+regexec.o:	engine.c engine.ih
+regerror.o:	regerror.ih
+debug.o:	debug.ih
+main.o:	main.ih
+
+# tester
+re:	$(OBJS)
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
+
+# regression test
+r:	re tests
+	./re <tests
+	./re -el <tests
+	./re -er <tests
+
+# 57 variants, and other stuff, for development use -- not useful to you
+ra:	./re tests
+	-./re <tests
+	-./re -el <tests
+	-./re -er <tests
+
+rx:	./re tests
+	./re -x <tests
+	./re -x -el <tests
+	./re -x -er <tests
+
+t:	./re tests
+	-time ./re <tests
+	-time ./re -cs <tests
+	-time ./re -el <tests
+	-time ./re -cs -el <tests
+
+l:	$(LINTC)
+	lint $(LINTFLAGS) -h $(LINTC) 2>&1 | egrep -v '$(JUNKLINT)' | tee lint
+
+fullprint:
+	ti README WHATSNEW notes todo | list
+	ti *.h | list
+	list *.c
+	list regex.3 regex.7
+
+print:
+	ti README WHATSNEW notes todo | list
+	ti *.h | list
+	list reg*.c engine.c
+
+
+mf.tmp:	Makefile
+	sed '/^REGEXH=/s/=.*/=regex.h/' Makefile | sed '/#DEL$$/d' >$@
+
+DTRH=cclass.h cname.h regex2.h utils.h
+PRE=COPYRIGHT README WHATSNEW
+POST=mkh regex.3 regex.7 tests $(DTRH) $(ALLSRC) fake/*.[ch]
+FILES=$(PRE) Makefile $(POST)
+DTR=$(PRE) Makefile=mf.tmp $(POST)
+dtr:	$(FILES) mf.tmp
+	makedtr $(DTR) >$@
+	rm mf.tmp
+
+cio:	$(FILES)
+	cio $(FILES)
+
+rdf:	$(FILES)
+	rcsdiff -c $(FILES) 2>&1 | p
+
+# various forms of cleanup
+tidy:
+	rm -f junk* core core.* *.core dtr *.tmp lint
+
+clean:	tidy
+	rm -f *.o *.s *.ih re libregex.a
+
+# don't do this one unless you know what you're doing
+spotless:	clean
+	rm -f mkh regex.h