* Makefile.in (VPATH): Add regex directory.

(NM): new variable.
(OBSOLETE_FUNCTIONS): Ditto.
(NEW_FUNCTIONS): Ditto.
(install-headers): Install regex.h.
(install-man): New target.
(install): Use new target.
(DLL_OFILES): Add v8_reg* stuff.
(new-cygwin1.dll): Eliminate stamp-cygwin-lib creation.
(libcygwin.a): Remove obsolete functions from import lib.  Add new functions.
* configure.in: Detect 'nm' tool.
* configure: Regenerate.
* cygwin.din: Export posix_reg* functions.  Eliminate export of v8 reg*
functions.  This is now handled in object files themselves.
* regex/*: New files.
* regexp/v8_*.c: New files, renamed from non v8_ equivalents.

winsup/cygwin/regex/regex.h

@@ -0,0 +1,83 @@
+#ifndef _REGEX_H_
+#define	_REGEX_H_	/* never again */
+#include <sys/types.h>
+/* ========= begin header generated by ./mkh ========= */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __INSIDE_CYGWIN__
+#define regcomp posix_regcomp
+#define regerror posix_regerror
+#define regexec posix_regexec
+#define regfree posix_regfree
+#endif
+
+/* === regex2.h === */
+typedef off_t regoff_t;
+typedef struct {
+	int re_magic;
+	size_t re_nsub;		/* number of parenthesized subexpressions */
+	const char *re_endp;	/* end pointer for REG_PEND */
+	struct re_guts *re_g;	/* none of your business :-) */
+} regex_t;
+typedef struct {
+	regoff_t rm_so;		/* start of match */
+	regoff_t rm_eo;		/* end of match */
+} regmatch_t;
+
+
+/* === regcomp.c === */
+extern int regcomp(regex_t *, const char *, int);
+#define	REG_BASIC	0000
+#define	REG_EXTENDED	0001
+#define	REG_ICASE	0002
+#define	REG_NOSUB	0004
+#define	REG_NEWLINE	0010
+#define	REG_NOSPEC	0020
+#define	REG_PEND	0040
+#define	REG_DUMP	0200
+
+
+/* === regerror.c === */
+#define	REG_OKAY	 0
+#define	REG_NOMATCH	 1
+#define	REG_BADPAT	 2
+#define	REG_ECOLLATE	 3
+#define	REG_ECTYPE	 4
+#define	REG_EESCAPE	 5
+#define	REG_ESUBREG	 6
+#define	REG_EBRACK	 7
+#define	REG_EPAREN	 8
+#define	REG_EBRACE	 9
+#define	REG_BADBR	10
+#define	REG_ERANGE	11
+#define	REG_ESPACE	12
+#define	REG_BADRPT	13
+#define	REG_EMPTY	14
+#define	REG_ASSERT	15
+#define	REG_INVARG	16
+#define	REG_ATOI	255	/* convert name to number (!) */
+#define	REG_ITOA	0400	/* convert number to name (!) */
+extern size_t regerror(int, const regex_t *, char *, size_t);
+
+
+/* === regexec.c === */
+extern int regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
+#define	REG_NOTBOL	00001
+#define	REG_NOTEOL	00002
+#define	REG_STARTEND	00004
+#define	REG_TRACE	00400	/* tracing of execution */
+#define	REG_LARGE	01000	/* force large representation */
+#define	REG_BACKR	02000	/* force use of backref code */
+
+
+/* === regfree.c === */
+extern void regfree(regex_t *);
+
+
+#ifdef __cplusplus
+}
+#endif
+/* ========= end header generated by ./mkh ========= */
+#endif