From 399a057630f4aadf9a1d3a4b897c21e7e4c44932 Mon Sep 17 00:00:00 2001
From: Kaleb Keithley <kaleb@freedesktop.org>
Date: Mon, 17 Nov 2003 19:03:18 +0000
Subject: merge XFree86 4.3.0.1 to -CURRENT

---
 cppsetup.c     |  49 ++--
 def.h          |  81 ++++--
 ifparser.c     | 197 +++++++++------
 ifparser.h     |  21 +-
 imakemdep.h    | 769 ++++++++++++++++++++++++++++++++++++++++++++++++++-------
 include.c      | 157 ++++++------
 main.c         | 398 ++++++++++++++++++-----------
 makedepend.man |  20 +-
 parse.c        | 183 ++++++++------
 pr.c           |  25 +-
 10 files changed, 1354 insertions(+), 546 deletions(-)

diff --git a/cppsetup.c b/cppsetup.c
index b25d2ce..49a746a 100644
--- a/cppsetup.c
+++ b/cppsetup.c
@@ -24,6 +24,7 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
+/* $XFree86: xc/config/makedepend/cppsetup.c,v 3.11 2001/12/17 20:52:22 dawes Exp $ */
 
 #include "def.h"
 
@@ -39,7 +40,7 @@ in this Software without prior written authorization from The Open Group.
 #define QB 16
 #define WB 32
 #define SALT '#'
-#if pdp11 | vax | ns16000 | mc68000 | ibm032
+#if defined(pdp11) || defined(vax) || defined(ns16000) || defined(mc68000) || defined(ibm032)
 #define COFF 128
 #else
 #define COFF 0
@@ -58,12 +59,10 @@ extern char	slotab[];
 struct filepointer	*currentfile;
 struct inclist		*currentinc;
 
-cppsetup(line, filep, inc)
-	register char	*line;
-	register struct filepointer	*filep;
-	register struct inclist		*inc;
+int
+cppsetup(char *line, struct filepointer *filep, struct inclist *inc)
 {
-	register char *p, savec;
+	char *p, savec;
 	static boolean setupdone = FALSE;
 	boolean	value;
 
@@ -132,10 +131,7 @@ struct _parse_data {
 };
 
 static const char *
-my_if_errors (ip, cp, expecting)
-    IfParser *ip;
-    const char *cp;
-    const char *expecting;
+my_if_errors (IfParser *ip, const char *cp, const char *expecting)
 {
     struct _parse_data *pd = (struct _parse_data *) ip->data;
     int lineno = pd->filep->f_line;
@@ -162,10 +158,7 @@ my_if_errors (ip, cp, expecting)
 #define MAXNAMELEN 256
 
 static struct symtab **
-lookup_variable (ip, var, len)
-    IfParser *ip;
-    const char *var;
-    int len;
+lookup_variable (IfParser *ip, const char *var, int len)
 {
     char tmpbuf[MAXNAMELEN + 1];
     struct _parse_data *pd = (struct _parse_data *) ip->data;
@@ -180,10 +173,7 @@ lookup_variable (ip, var, len)
 
 
 static int
-my_eval_defined (ip, var, len)
-    IfParser *ip;
-    const char *var;
-    int len;
+my_eval_defined (IfParser *ip, const char *var, int len)
 {
     if (lookup_variable (ip, var, len))
 	return 1;
@@ -194,11 +184,9 @@ my_eval_defined (ip, var, len)
 #define isvarfirstletter(ccc) (isalpha(ccc) || (ccc) == '_')
 
 static long
-my_eval_variable (ip, var, len)
-    IfParser *ip;
-    const char *var;
-    int len;
+my_eval_variable (IfParser *ip, const char *var, int len)
 {
+    long val;
     struct symtab **s;
 
     s = lookup_variable (ip, var, len);
@@ -206,20 +194,21 @@ my_eval_variable (ip, var, len)
 	return 0;
     do {
 	var = (*s)->s_value;
-	if (!isvarfirstletter(*var))
+	if (!isvarfirstletter(*var) || !strcmp((*s)->s_name, var))
 	    break;
 	s = lookup_variable (ip, var, strlen(var));
     } while (s);
 
-    return strtol(var, NULL, 0);
+    var = ParseIfExpression(ip, var, &val);
+    if (var && *var) debug(4, ("extraneous: '%s'\n", var));
+    return val;
 }
 
-
-cppsetup(filename, line, filep, inc)
-	register char	*filename;
-	register char	*line;
-	register struct filepointer	*filep;
-	register struct inclist		*inc;
+int
+cppsetup(char *filename,
+	 char *line,
+	 struct filepointer *filep,
+	 struct inclist *inc)
 {
     IfParser ip;
     struct _parse_data pd;
diff --git a/def.h b/def.h
index 63f6bd0..f80c9d2 100644
--- a/def.h
+++ b/def.h
@@ -24,22 +24,28 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
+/* $XFree86: xc/config/makedepend/def.h,v 3.14 2003/01/17 17:09:49 tsi Exp $ */
 
 #include "Xos.h"
 #include "Xfuncproto.h"
+#include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <ctype.h>
+#if 0
 #ifndef X_NOT_POSIX
 #ifndef _POSIX_SOURCE
 #define _POSIX_SOURCE
 #endif
 #endif
+#endif
 #include <sys/types.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 
 #define MAXDEFINES	512
 #define MAXFILES	1024
+#define MAXINCFILES	128	/* "-include" files */
 #define MAXDIRS		64
 #define SYMTABINC	10	/* must be > 1 for define() to work right */
 #define	TRUE		1
@@ -61,12 +67,14 @@ in this Software without prior written authorization from The Open Group.
 #define SCCS            12
 #define ELIF            13
 #define EJECT           14
-#define WARNING		15
-#define IFFALSE         16     /* pseudo value --- never matched */
-#define ELIFFALSE       17     /* pseudo value --- never matched */
-#define INCLUDEDOT      18     /* pseudo value --- never matched */
-#define IFGUESSFALSE    19     /* pseudo value --- never matched */
-#define ELIFGUESSFALSE  20     /* pseudo value --- never matched */
+#define WARNING         15
+#define INCLUDENEXT     16
+#define IFFALSE         17     /* pseudo value --- never matched */
+#define ELIFFALSE       18     /* pseudo value --- never matched */
+#define INCLUDEDOT      19     /* pseudo value --- never matched */
+#define IFGUESSFALSE    20     /* pseudo value --- never matched */
+#define ELIFGUESSFALSE  21     /* pseudo value --- never matched */
+#define INCLUDENEXTDOT  22     /* pseudo value --- never matched */
 
 #ifdef DEBUG
 extern int	_debugmask;
@@ -113,35 +121,62 @@ struct	inclist {
 };
 
 struct filepointer {
+	char	*f_name;
 	char	*f_p;
 	char	*f_base;
 	char	*f_end;
 	long	f_len;
 	long	f_line;
+	long	cmdinc_count;
+	char	**cmdinc_list;
+	long	cmdinc_line;
 };
 
-#ifndef X_NOT_STDC_ENV
 #include <stdlib.h>
 #if defined(macII) && !defined(__STDC__)  /* stdlib.h fails to define these */
 char *malloc(), *realloc();
 #endif /* macII */
-#else
-char			*malloc();
-char			*realloc();
-#endif
 
-char			*copy();
-char			*base_name();
-char			*getline();
-struct symtab		**slookup();
-struct symtab		**isdefined();
-struct symtab		**fdefined();
-struct filepointer	*getfile();
-struct inclist		*newinclude();
-struct inclist		*inc_path();
-
-#if NeedVarargsPrototypes
+char			*copy(char *str);
+int                     match(char *str, char **list);
+char			*base_name(char *file);
+char			*getnextline(struct filepointer *fp);
+struct symtab		**slookup(char *symbol, struct inclist *file);
+struct symtab		**isdefined(char *symbol, struct inclist *file,
+				    struct inclist **srcfile);
+struct symtab		**fdefined(char *symbol, struct inclist *file,
+				   struct inclist **srcfile);
+struct filepointer	*getfile(char *file);
+void                    included_by(struct inclist *ip, 
+				    struct inclist *newfile);
+struct inclist		*newinclude(char *newfile, char *incstring);
+void                    inc_clean (void);
+struct inclist		*inc_path(char *file, char *include, int type);
+
+void                    freefile(struct filepointer *fp);
+
+void                    define2(char *name, char *val, struct inclist *file);
+void                    define(char *def, struct inclist *file);
+void                    undefine(char *symbol, struct inclist *file);
+int                     find_includes(struct filepointer *filep, 
+				      struct inclist *file, 
+				      struct inclist *file_red, 
+				      int recursion, boolean failOK);
+
+void                    recursive_pr_include(struct inclist *head, 
+					     char *file, char *base);
+void                    add_include(struct filepointer *filep, 
+				    struct inclist *file, 
+				    struct inclist *file_red, 
+				    char *include, int type,
+				    boolean failOK);
+
+int                     cppsetup(char *filename,
+				 char *line,
+				 struct filepointer *filep,
+				 struct inclist *inc);
+
+
 extern void fatalerr(char *, ...);
 extern void warning(char *, ...);
 extern void warning1(char *, ...);
-#endif
diff --git a/ifparser.c b/ifparser.c
index c91c236..d8d9e76 100644
--- a/ifparser.c
+++ b/ifparser.c
@@ -31,10 +31,13 @@
  * 
  *     EXPRESSION	:=	VALUE
  * 			 |	VALUE  BINOP	EXPRESSION
+ *			 |	VALUE	'?'	EXPRESSION ':'	EXPRESSION
  * 
  *     VALUE		:=	'('  EXPRESSION  ')'
  * 			 |	'!'  VALUE
  * 			 |	'-'  VALUE
+ * 			 |	'+'  VALUE
+ *			 |	'~'  VALUE
  * 			 |	'defined'  '('  variable  ')'
  * 			 |	'defined'  variable
  *			 |	# variable '(' variable-list ')'
@@ -46,19 +49,22 @@
  * 			 |	'<<'	|  '>>'
  * 			 |	'<'	|  '>'	|  '<='  |  '>='
  * 			 |	'=='	|  '!='
- * 			 |	'&'	|  '|'
+ * 			 |	'&'	|  '^'  |  '|'
  * 			 |	'&&'	|  '||'
  * 
- * The normal C order of precidence is supported.
+ * The normal C order of precedence is supported.
  * 
  * 
  * External Entry Points:
  * 
  *     ParseIfExpression		parse a string for #if
  */
+/* $XFree86: xc/config/makedepend/ifparser.c,v 3.11 2002/09/23 01:48:08 tsi Exp $ */
 
 #include "ifparser.h"
 #include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
 
 /****************************************************************************
 		   Internal Macros and Utilities for Parser
@@ -71,10 +77,7 @@
 
 
 static const char *
-parse_variable (g, cp, varp)
-    IfParser *g;
-    const char *cp;
-    const char **varp;
+parse_variable (IfParser *g, const char *cp, const char **varp)
 {
     SKIPSPACE (cp);
 
@@ -89,32 +92,55 @@ parse_variable (g, cp, varp)
 
 
 static const char *
-parse_number (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_number (IfParser *g, const char *cp, long *valp)
 {
+    long base = 10;
     SKIPSPACE (cp);
 
     if (!isdigit(*cp))
 	return CALLFUNC(g, handle_error) (g, cp, "number");
 
-    *valp = strtol(cp, &cp, 0);
-    /* skip trailing qualifiers */
+    *valp = 0;
+
+    if (*cp == '0') {
+	cp++;
+	if ((*cp == 'x') || (*cp == 'X')) {
+	    base = 16;
+	    cp++;
+	} else {
+	    base = 8;
+	}
+    }
+
+    /* Ignore overflows and assume ASCII, what source is usually written in */
+    while (1) {
+	int increment = -1;
+	if (base == 8) {
+	    if ((*cp >= '0') && (*cp <= '7'))
+		increment = *cp++ - '0';
+	} else if (base == 16) {
+	    if ((*cp >= '0') && (*cp <= '9'))
+		increment = *cp++ - '0';
+	    else if ((*cp >= 'A') &&  (*cp <= 'F'))
+		increment = *cp++ - ('A' - 10);
+	    else if ((*cp >= 'a') && (*cp <= 'f'))
+		increment = *cp++ - ('a' - 10);
+	} else {	/* Decimal */
+	    if ((*cp >= '0') && (*cp <= '9'))
+		increment = *cp++ - '0';
+	}
+	if (increment < 0)
+	    break;
+	*valp = (*valp * base) + increment;
+    }
+
+    /* Skip trailing qualifiers */
     while (*cp == 'U' || *cp == 'u' || *cp == 'L' || *cp == 'l') cp++;
-#if 0
-    *valp = atoi (cp);
-    /* EMPTY */
-    for (cp++; isdigit(*cp); cp++) ;
-#endif
     return cp;
 }
 
 static const char *
-parse_character (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_character (IfParser *g, const char *cp, long *valp)
 {
     char val;
 
@@ -143,12 +169,9 @@ parse_character (g, cp, valp)
 }
 
 static const char *
-parse_value (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_value (IfParser *g, const char *cp, long *valp)
 {
-    const char *var;
+    const char *var, *varend;
 
     *valp = 0;
 
@@ -175,6 +198,15 @@ parse_value (g, cp, valp)
 	*valp = -(*valp);
 	return cp;
 
+      case '+':
+	DO (cp = parse_value (g, cp + 1, valp));
+	return cp;
+
+      case '~':
+	DO (cp = parse_value (g, cp + 1, valp));
+	*valp = ~(*valp);
+	return cp;
+
       case '#':
 	DO (cp = parse_variable (g, cp + 1, &var));
 	SKIPSPACE (cp);
@@ -223,7 +255,24 @@ parse_value (g, cp, valp)
 	return CALLFUNC(g, handle_error) (g, cp, "variable or number");
     else {
 	DO (cp = parse_variable (g, cp, &var));
-	*valp = (*(g->funcs.eval_variable)) (g, var, cp - var);
+	varend = cp;
+	SKIPSPACE(cp);
+	if (*cp != '(') {
+	    *valp = (*(g->funcs.eval_variable)) (g, var, varend - var);
+	} else {
+	    do {
+		long dummy;
+		DO (cp = ParseIfExpression (g, cp + 1, &dummy));
+		SKIPSPACE(cp);
+		if (*cp == ')')
+		    break;
+		if (*cp != ',')
+		    return CALLFUNC(g, handle_error) (g, cp, ",");
+	    } while (1);
+
+	    *valp = 1;	/* XXX */
+	    cp++;
+	}
     }
     
     return cp;
@@ -232,10 +281,7 @@ parse_value (g, cp, valp)
 
 
 static const char *
-parse_product (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_product (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -263,10 +309,7 @@ parse_product (g, cp, valp)
 
 
 static const char *
-parse_sum (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_sum (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -289,10 +332,7 @@ parse_sum (g, cp, valp)
 
 
 static const char *
-parse_shift (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_shift (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -319,10 +359,7 @@ parse_shift (g, cp, valp)
 
 
 static const char *
-parse_inequality (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_inequality (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -355,10 +392,7 @@ parse_inequality (g, cp, valp)
 
 
 static const char *
-parse_equality (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_equality (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -385,10 +419,7 @@ parse_equality (g, cp, valp)
 
 
 static const char *
-parse_band (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_band (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -408,16 +439,31 @@ parse_band (g, cp, valp)
 
 
 static const char *
-parse_bor (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_bxor (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
     DO (cp = parse_band (g, cp, valp));
     SKIPSPACE (cp);
 
+    switch (*cp) {
+      case '^':
+	DO (cp = parse_bxor (g, cp + 1, &rightval));
+	*valp = (*valp ^ rightval);
+	break;
+    }
+    return cp;
+}
+
+
+static const char *
+parse_bor (IfParser *g, const char *cp, long *valp)
+{
+    long rightval;
+
+    DO (cp = parse_bxor (g, cp, valp));
+    SKIPSPACE (cp);
+
     switch (*cp) {
       case '|':
 	if (cp[1] != '|') {
@@ -431,10 +477,7 @@ parse_bor (g, cp, valp)
 
 
 static const char *
-parse_land (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_land (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -454,10 +497,7 @@ parse_land (g, cp, valp)
 
 
 static const char *
-parse_lor (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+parse_lor (IfParser *g, const char *cp, long *valp)
 {
     long rightval;
 
@@ -476,17 +516,34 @@ parse_lor (g, cp, valp)
 }
 
 
+static const char *
+parse_cond(IfParser *g, const char *cp, long *valp)
+{
+    long trueval, falseval;
+
+    DO (cp = parse_lor (g, cp, valp));
+    SKIPSPACE (cp);
+
+    switch (*cp) {
+      case '?':
+	DO (cp = parse_cond (g, cp + 1, &trueval));
+	SKIPSPACE (cp);
+	if (*cp != ':')
+	    return CALLFUNC(g, handle_error) (g, cp, ":");
+	DO (cp = parse_cond (g, cp + 1, &falseval));
+	*valp = (*valp ? trueval : falseval);
+	break;
+    }
+    return cp;
+}
+
+
 /****************************************************************************
 			     External Entry Points
  ****************************************************************************/
 
 const char *
-ParseIfExpression (g, cp, valp)
-    IfParser *g;
-    const char *cp;
-    long *valp;
+ParseIfExpression (IfParser *g, const char *cp, long *valp)
 {
-    return parse_lor (g, cp, valp);
+    return parse_cond (g, cp, valp);
 }
-
-
diff --git a/ifparser.h b/ifparser.h
index 2b10266..89d2a2f 100644
--- a/ifparser.h
+++ b/ifparser.h
@@ -31,10 +31,12 @@
  * 
  *     EXPRESSION	:=	VALUE
  * 			 |	VALUE  BINOP	EXPRESSION
+ *			 |	VALUE	'?'	EXPRESSION ':'	EXPRESSION
  * 
  *     VALUE		:=	'('  EXPRESSION  ')'
  * 			 |	'!'  VALUE
  * 			 |	'-'  VALUE
+ *			 |	'~'  VALUE
  * 			 |	'defined'  '('  variable  ')'
  * 			 |	variable
  * 			 |	number
@@ -44,10 +46,10 @@
  * 			 |	'<<'	|  '>>'
  * 			 |	'<'	|  '>'	|  '<='  |  '>='
  * 			 |	'=='	|  '!='
- * 			 |	'&'	|  '|'
+ * 			 |	'&'	|  '^'  |  '|'
  * 			 |	'&&'	|  '||'
  * 
- * The normal C order of precidence is supported.
+ * The normal C order of precedence is supported.
  * 
  * 
  * External Entry Points:
@@ -55,28 +57,27 @@
  *     ParseIfExpression		parse a string for #if
  */
 
+/* $XFree86: xc/config/makedepend/ifparser.h,v 3.5 2001/07/25 15:04:40 dawes Exp $ */
+
 #include <stdio.h>
 
-#define const /**/
 typedef int Bool;
 #define False 0
 #define True 1
 
 typedef struct _if_parser {
     struct {				/* functions */
-	char *(*handle_error) (/* struct _if_parser *, const char *,
-				 const char * */);
-	long (*eval_variable) (/* struct _if_parser *, const char *, int */);
-	int (*eval_defined) (/* struct _if_parser *, const char *, int */);
+	const char *(*handle_error) (struct _if_parser *, const char *,
+				     const char *);
+	long (*eval_variable) (struct _if_parser *, const char *, int);
+	int (*eval_defined) (struct _if_parser *, const char *, int);
     } funcs;
     char *data;
 } IfParser;
 
-char *ParseIfExpression (
-#ifdef __STDC__
+const char *ParseIfExpression (
     IfParser *, 
     const char *, 
     long *
-#endif
 );
 
diff --git a/imakemdep.h b/imakemdep.h
index b6ebd42..c31a000 100644
--- a/imakemdep.h
+++ b/imakemdep.h
@@ -24,6 +24,7 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
+/* $XFree86: xc/config/imake/imakemdep.h,v 3.68 2002/12/24 17:42:58 tsi Exp $ */
 
 
 /* 
@@ -39,6 +40,10 @@ in this Software without prior written authorization from The Open Group.
  *     These will be passed to the compile along with the contents of the
  *     make variable BOOTSTRAPCFLAGS.
  */
+#if defined(clipper) || defined(__clipper__)
+#define imake_ccflags "-O -DSYSV -DBOOTSTRAPCFLAGS=-DSYSV"
+#endif
+
 #ifdef hpux
 #ifdef hp9000s800
 #define imake_ccflags "-DSYSV"
@@ -64,7 +69,7 @@ in this Software without prior written authorization from The Open Group.
 #ifdef imake_ccflags
 #undef imake_ccflags
 #endif
-#define imake_ccflags "-Dsco"
+#define imake_ccflags "-Dsco -DSYSV -DSCO -DSCO325"
 #endif
 
 #ifdef sony
@@ -81,7 +86,6 @@ in this Software without prior written authorization from The Open Group.
 #endif
 #endif
 #endif
-
 #ifdef _CRAY
 #define imake_ccflags "-DSYSV -DUSG"
 #endif
@@ -122,6 +126,10 @@ in this Software without prior written authorization from The Open Group.
 # endif
 #endif
 
+#if defined(Lynx) || defined(__Lynx__)
+#define imake_ccflags "-DLynx"
+#endif /* Lynx */
+
 #ifdef __convex__
 #define imake_ccflags "-fn -tm c1"
 #endif
@@ -162,15 +170,23 @@ in this Software without prior written authorization from The Open Group.
 #define imake_ccflags "-DSVR4"
 #endif
 
-#ifdef  MACH
+#if defined(MACH) && !defined(__GNU__)
 #define imake_ccflags "-DNOSTDHDRS"
 #endif
 
-/* this is for OS/2 under EMX. This won't work with DOS */
-#if defined(__EMX__)
+/* this is for OS/2 under UNIXOS2. This won't work with DOS */
+#if defined(__UNIXOS2__)
 #define imake_ccflags "-DBSD43"
 #endif
 
+#if defined(__QNX__) && !defined(__QNXNTO__)
+#define imake_ccflags "-D__QNX__ -D_i386"
+#endif
+
+#if defined(__QNXNTO__)
+#define imake_ccflags "-D__QNXNTO__"
+#endif
+
 #else /* not CCIMAKE */
 #ifndef MAKEDEPEND
 /*
@@ -187,14 +203,14 @@ in this Software without prior written authorization from The Open Group.
 
 /*
  * Step 3:  FIXUP_CPP_WHITESPACE
- *     If your cpp collapses tabs macro expansions into a single space and
+ *     If your cpp collapses tabs in macro expansions into a single space and
  *     replaces escaped newlines with a space, define this symbol.  This will
  *     cause imake to attempt to patch up the generated Makefile by looking
  *     for lines that have colons in them (this is why the rules file escapes
  *     all colons).  One way to tell if you need this is to see whether or not
  *     your Makefiles have no tabs in them and lots of @@ strings.
  */
-#if defined(sun) || defined(SYSV) || defined(SVR4) || defined(hcx) || defined(WIN32) || defined(sco) || (defined(AMOEBA) && defined(CROSS_COMPILE))
+#if defined(sun) || defined(SYSV) || defined(SVR4) || defined(hcx) || defined(WIN32) || defined(sco) || (defined(AMOEBA) && defined(CROSS_COMPILE)) || defined(__QNX__) || defined(__sgi) || defined(__UNIXOS2__)
 #define FIXUP_CPP_WHITESPACE
 #endif
 #ifdef WIN32
@@ -202,6 +218,18 @@ in this Software without prior written authorization from The Open Group.
 #define INLINE_SYNTAX
 #define MAGIC_MAKE_VARS
 #endif
+#ifdef __minix_vmd
+#define FIXUP_CPP_WHITESPACE
+#endif
+
+#if defined(Lynx)
+/* On LynxOS 2.4.0 imake gets built with the old "legacy"
+ * /bin/cc which has a rather pedantic builtin preprocessor.
+ * Using a macro which is not #defined (as in Step 5
+ * below) flags an *error*
+ */
+#define __NetBSD_Version__ 0
+#endif
 
 /*
  * Step 4:  USE_CC_E, DEFAULT_CC, DEFAULT_CPP
@@ -209,6 +237,16 @@ in this Software without prior written authorization from The Open Group.
  *     If use cc -E but want a different compiler, define DEFAULT_CC.
  *     If the cpp you need is not in /lib/cpp, define DEFAULT_CPP.
  */
+#if !defined (CROSSCOMPILE) || defined (CROSSCOMPILE_CPP) 
+
+#if defined(__APPLE__)
+#define DEFAULT_CPP "/usr/bin/cpp"
+#define DEFAULT_CC "cc"
+#endif
+#if defined(Lynx) || defined(__Lynx__)
+#define DEFAULT_CC "gcc"
+#define USE_CC_E
+#endif
 #ifdef hpux
 #define USE_CC_E
 #endif
@@ -219,6 +257,9 @@ in this Software without prior written authorization from The Open Group.
 #ifdef apollo
 #define DEFAULT_CPP "/usr/lib/cpp"
 #endif
+#if defined(clipper) || defined(__clipper__)
+#define DEFAULT_CPP "/usr/lib/cpp"
+#endif
 #if defined(_IBMR2) && !defined(DEFAULT_CPP)
 #define DEFAULT_CPP "/usr/ccs/lib/cpp"
 #endif
@@ -237,23 +278,44 @@ in this Software without prior written authorization from The Open Group.
 #ifdef _CRAY
 #define DEFAULT_CPP "/lib/pcpp"
 #endif
-#if defined(__386BSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
+#if defined(__386BSD__)
 #define DEFAULT_CPP "/usr/libexec/cpp"
 #endif
+#if defined(__FreeBSD__)  || defined(__NetBSD__) || defined(__OpenBSD__)
+#define USE_CC_E
+#endif
 #if defined(__sgi) && defined(__ANSI_CPP__)
 #define USE_CC_E
 #endif
-#ifdef  MACH
+#if defined(MACH) && !defined(__GNU__)
 #define USE_CC_E
 #endif
 #ifdef __minix_vmd
 #define DEFAULT_CPP "/usr/lib/cpp"
 #endif
-#if defined(__EMX__)
+#if defined(__UNIXOS2__)
 /* expects cpp in PATH */
 #define DEFAULT_CPP "cpp"
 #endif
+#ifdef __CYGWIN__
+#define DEFAULT_CC "gcc"
+#define DEFAULT_CPP "/usr/bin/cpp"
+#endif
+#if defined (__QNX__)
+#ifdef __QNXNTO__
+#define DEFAULT_CPP "/usr/bin/cpp"
+#else
+#define DEFAULT_CPP "/usr/X11R6/bin/cpp"
+#endif
+#endif
+#if defined(__GNUC__) && !defined(USE_CC_E)
+#define USE_CC_E
+#ifndef DEFAULT_CC
+#define DEFAULT_CC "gcc"
+#endif
+#endif
 
+#endif /* !defined (CROSSCOMPILE) || defined (CROSSCOMPILE_CPP) */
 /*
  * Step 5:  cpp_argv
  *     The following table contains the flags that should be passed
@@ -261,7 +323,7 @@ in this Software without prior written authorization from The Open Group.
  *     doesn't predefine any unique symbols, choose one and add it to the
  *     end of this table.  Then, do the following:
  * 
- *         a.  Use this symbol in Imake.tmpl when setting MacroFile.
+ *         a.  Use this symbol in Imake.cf when setting MacroFile.
  *         b.  Put this symbol in the definition of BootstrapCFlags in your
  *             <platform>.cf file.
  *         c.  When doing a make World, always add "BOOTSTRAPCFLAGS=-Dsymbol" 
@@ -272,15 +334,74 @@ in this Software without prior written authorization from The Open Group.
  */
 
 #define	ARGUMENTS 50	/* number of arguments in various arrays */
+#if !defined (CROSSCOMPILE) || defined (CROSSCOMPILE_CPP) 
 char *cpp_argv[ARGUMENTS] = {
 	"cc",		/* replaced by the actual program to exec */
 	"-I.",		/* add current directory to include path */
+#if !defined(__NetBSD_Version__) || __NetBSD_Version__ < 103080000
 #ifdef unix
 	"-Uunix",	/* remove unix symbol so that filename unix.c okay */
 #endif
-#if defined(__386BSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(MACH)
+#endif
+#if defined(__386BSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \
+    defined(__FreeBSD__) || defined(MACH) || defined(linux) || \
+    defined(__GNU__) || defined(__bsdi__) || defined(__GNUC__)
 # ifdef __i386__
 	"-D__i386__",
+#  if defined(__GNUC__) && (__GNUC__ >= 3)
+	"-m32",
+#  endif
+# endif
+# ifdef __i486__
+	"-D__i486__",
+# endif
+# ifdef __i586__
+	"-D__i586__",
+# endif
+# ifdef __i686__
+	"-D__i686__",
+# endif
+# ifdef __k6__
+	"-D__k6__",
+# endif
+# ifdef __ia64__
+	"-D__ia64__",
+# endif
+# ifdef __x86_64__
+	"-D__x86_64__",
+# endif
+# ifdef __s390__
+	"-D__s390__",
+# endif
+# ifdef __alpha__
+	"-D__alpha__",
+# endif
+# ifdef __arm__
+	"-D__arm__",
+# endif
+# ifdef __s390x__
+       "-D__s390x__",
+# endif
+# ifdef __sparc__
+	"-D__sparc__",
+# endif
+# ifdef __m68k__
+	"-D__m68k__",
+# endif
+# ifdef __sh__
+	"-D__sh__",
+# endif
+# ifdef __sh3__
+	"-D__sh3__",
+# endif
+# ifdef __SH3__
+	"-D__SH3__",
+# endif
+# ifdef __SH4__
+	"-D__SH4__",
+# endif
+# ifdef __SH4NOFPU__
+	"-D__SH4_NOFPU__",
 # endif
 # ifdef __GNUC__
 	"-traditional",
@@ -356,9 +477,7 @@ char *cpp_argv[ARGUMENTS] = {
 #endif /* MOTOROLA */
 #if defined(M_UNIX) || defined(sco)
 	"-Dsco",
-# if defined(sco324)
-	"-Dsco324",
-# endif
+	"-DSYSV",
 #endif
 #ifdef i386
 	"-Di386",
@@ -385,59 +504,56 @@ char *cpp_argv[ARGUMENTS] = {
 #  endif
 #  ifdef SCO
 	"-DSCO",
-#   ifdef SCO324
-	"-DSCO324",
+#   ifdef _SCO_DS
+    "-DSCO325",
 #   endif
 #  endif
-#  ifdef ESIX
+# endif
+# ifdef ESIX
 	"-DESIX",
-#  endif
-#  ifdef ATT
+# endif
+# ifdef ATT
 	"-DATT",
-#  endif
-#  ifdef DELL
+# endif
+# ifdef DELL
 	"-DDELL",
-#  endif
 # endif
 #endif
-#ifdef SYSV386		/* System V/386 folks, obsolete */
+#ifdef SYSV386           /* System V/386 folks, obsolete */
 	"-Di386",
 # ifdef SVR4
 	"-DSVR4",
 # endif
-# ifdef SYSV
-	"-DSYSV",
-#  ifdef ISC
+# ifdef ISC
 	"-DISC",
-#   ifdef ISC40
+#  ifdef ISC40
 	"-DISC40",       /* ISC 4.0 */
-#   else
-#    ifdef ISC202
+#  else
+#   ifdef ISC202
 	"-DISC202",      /* ISC 2.0.2 */
-#    else
-#     ifdef ISC30
+#   else
+#    ifdef ISC30
 	"-DISC30",       /* ISC 3.0 */
-#     else
+#    else
 	"-DISC22",       /* ISC 2.2.1 */
-#     endif
 #    endif
 #   endif
 #  endif
-#  ifdef SCO
+# endif
+# ifdef SCO
 	"-DSCO",
-#   ifdef SCO324
-	"-DSCO324",
-#   endif
+#  ifdef _SCO_DS
+	"-DSCO325",
 #  endif
-#  ifdef ESIX
+# endif
+# ifdef ESIX
 	"-DESIX",
-#  endif
-#  ifdef ATT
+# endif
+# ifdef ATT
 	"-DATT",
-#  endif
-#  ifdef DELL
+# endif
+# ifdef DELL
 	"-DDELL",
-#  endif
 # endif
 #endif
 #ifdef __osf__
@@ -448,6 +564,12 @@ char *cpp_argv[ARGUMENTS] = {
 # ifdef __alpha
 	"-D__alpha",
 # endif
+# ifdef __amiga__
+	"-D__amiga__",
+# endif
+# ifdef __alpha__
+	"-D__alpha__",
+# endif
 # ifdef __i386__
 	"-D__i386__",
 # endif
@@ -475,9 +597,28 @@ char *cpp_argv[ARGUMENTS] = {
 	"-DNCR",	/* NCR */
 #endif
 #ifdef linux
-        "-traditional",
         "-Dlinux",
 #endif
+#if defined(__CYGWIN__)
+        "-traditional",
+#endif
+#if defined(Lynx) || defined(__Lynx__)
+        "-traditional",
+#if 0
+        "-DLYNX",		/* do we really need this?? */
+#endif
+	"-DLynx",
+# ifdef ppc
+	"-Dppc",
+# endif
+# if defined(m68k)  || defined(M68k) || defined(m68040)
+	"-Dm68k",
+	"-DM68k",
+# endif
+# ifdef uSPARC1
+	"-Dsparc",
+# endif
+#endif
 #ifdef __uxp__
 	"-D__uxp__",
 #endif
@@ -492,13 +633,13 @@ char *cpp_argv[ARGUMENTS] = {
 # ifdef CROSS_COMPILE
 	"-DCROSS_COMPILE",
 #  ifdef CROSS_i80386
-	"-DCROSS_i80386",
+	"-Di80386",
 #  endif
 #  ifdef CROSS_sparc
-	"-DCROSS_sparc",
+	"-Dsparc",
 #  endif
 #  ifdef CROSS_mc68000
-	"-DCROSS_mc68000",
+	"-Dmc68000",
 #  endif
 # else
 #  ifdef i80386
@@ -519,76 +660,309 @@ char *cpp_argv[ARGUMENTS] = {
 	"-Dminix",
 #endif
 
-#if defined(__EMX__)
+#if defined(__UNIXOS2__)
 	"-traditional",
 	"-Demxos2",
 #endif
+#ifdef MetroLink
+	"-DMetroLink",
+# ifdef SVR4
+	"-DSVR4",
+# endif
+# ifdef __powerpc__
+	"-D__powerpc__",
+# endif
+# ifdef PowerMAX_OS
+	"-DPowerMAX_OS",
+# endif
+#endif
+#if defined (__QNX__) && !defined(__QNXNTO__)
+        "-traditional",
+        "-D__QNX__",
+#endif
 
+#if defined(__QNXNTO__)
+        "-traditional",
+        "-D__QNXNTO__",
+#if defined(i386)
+        "-Di386",
+#endif
+#if defined(__i386__)
+        "-D__i386__",
+#endif
+#if defined(PPC)
+        "-DPPC",
+#endif
+#if defined(MIPS)
+        "-DMIPS",
+#endif
+#endif
+
+#if defined(__APPLE__)
+        "-D__APPLE__",
+        "-D__DARWIN__",
+# ifdef __ppc__
+        "-D__ppc__",
+# endif
+# ifdef __i386__
+        "-D__i386__",
+# endif
+#endif
 };
+#endif /* CROSSCOMPILE */
 
 
 /*
  * Step 6: DEFAULT_OS_MAJOR_REV, DEFAULT_OS_MINOR_REV, DEFAULT_OS_TEENY_REV,
  *	and DEFAULT_OS_NAME.
- *	If your systems provides a way to generate the default major,
+ *	If your system provides a way to generate the default major,
  *	minor, teeny, or system names at runtime add commands below.
  *	The syntax of the _REV strings is 'f fmt' where 'f' is an argument
  *	you would give to uname, and "fmt" is a scanf() format string.
  *	Supported uname arguments are "snrvm", and if you specify multiple
  *	arguments they will be separated by spaces.  No more than 5 arguments
  *	may be given.  Unlike uname() order of arguments matters.
+ *
+ *	DEFAULT_OS_MAJOR_REV_FROB, DEFAULT_OS_MINOR_REV_FROB,
+ *	DEFAULT_OS_TEENY_REV_FROB, and DEFAULT_OS_NAME_FROB can be used to
+ *	modify the results of the use of the various strings.
  */
-#if defined(aix)
+#if !defined CROSSCOMPILE || defined CROSSCOMPILE_CPP
+# if defined(aix)
 /* uname -v returns "x" (e.g. "4"), and uname -r returns "y" (e.g. "1") */
-# define DEFAULT_OS_MAJOR_REV	"v %[0-9]"
-# define DEFAULT_OS_MINOR_REV	"r %[0-9]"
+#  define DEFAULT_OS_MAJOR_REV	"v %[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %[0-9]"
 /* No information available to generate default OSTeenyVersion value. */
-# define DEFAULT_OS_NAME	"srvm %[^\n]"
-#elif defined(sun) || defined(sgi) || defined(ultrix) || defined(__uxp__) || defined(linux) || defined(sony)
+#  define DEFAULT_OS_NAME	"srvm %[^\n]"
+# elif defined(sun) || defined(sgi) || defined(ultrix) || defined(__uxp__) || defined(sony)
 /* uname -r returns "x.y[.z]", e.g. "5.4" or "4.1.3" */
-# define DEFAULT_OS_MAJOR_REV	"r %[0-9]"
-# define DEFAULT_OS_MINOR_REV	"r %*d.%[0-9]"
-# define DEFAULT_OS_TEENY_REV	"r %*d.%*d.%[0-9]"
-# define DEFAULT_OS_NAME	"srvm %[^\n]"
-#elif defined(hpux)
+#  define DEFAULT_OS_MAJOR_REV	"r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV	"r %*d.%*d.%[0-9]"
+#  define DEFAULT_OS_NAME	"srvm %[^\n]"
+# elif defined(hpux)
 /* uname -r returns "W.x.yz", e.g. "B.10.01" */
-# define DEFAULT_OS_MAJOR_REV	"r %*[^.].%[0-9]"
-# define DEFAULT_OS_MINOR_REV	"r %*[^.].%*d.%1s"
-# define DEFAULT_OS_TEENY_REV	"r %*[^.].%*d.%*c%[0-9]"
-# define DEFAULT_OS_NAME	"srvm %[^\n]"
-#elif defined(USL) || defined(__USLC__)
+#  define DEFAULT_OS_MAJOR_REV	"r %*[^.].%[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %*[^.].%*d.%1s"
+#  define DEFAULT_OS_TEENY_REV	"r %*[^.].%*d.%*c%[0-9]"
+#  define DEFAULT_OS_NAME	"srvm %[^\n]"
+# elif defined(USL) || defined(__USLC__)
+/* uname -v returns "x.yz" or "x.y.z", e.g. "2.02" or "2.1.2". */
+#  define DEFAULT_OS_MAJOR_REV	"v %[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"v %*d.%1s"
+#  define DEFAULT_OS_TEENY_REV	"v %*d.%*c%[.0-9]"
+#  define DEFAULT_OS_NAME	"srvm %[^\n]"
+# elif defined(__APPLE__)
 /* uname -v returns "x.yz" or "x.y.z", e.g. "2.02" or "2.1.2". */
-# define DEFAULT_OS_MAJOR_REV	"v %[0-9]"
-# define DEFAULT_OS_MINOR_REV	"v %*d.%1s"
-# define DEFAULT_OS_TEENY_REV	"v %*d.%*c%[.0-9]"
-# define DEFAULT_OS_NAME	"srvm %[^\n]"
-#elif defined(__osf__)
+#  define DEFAULT_OS_MAJOR_REV	"r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV	"r %*d.%*d.%[0-9]" /* this will just get 0 */
+#  define DEFAULT_OS_NAME	"s %[^\n]"
+# elif defined(__osf__)
 /* uname -r returns "Wx.y", e.g. "V3.2" or "T4.0" */
-# define DEFAULT_OS_MAJOR_REV	"r %*[^0-9]%[0-9]"
-# define DEFAULT_OS_MINOR_REV	"r %*[^.].%[0-9]"
-# define DEFAULT_OS_NAME	"srvm %[^\n]"
-#elif defined(__uxp__)
+#  define DEFAULT_OS_MAJOR_REV	"r %*[^0-9]%[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %*[^.].%[0-9]"
+#  define DEFAULT_OS_NAME	"srvm %[^\n]"
+# elif defined(__uxp__)
 /* NOTE: "x.y[.z]" above handles UXP/DF.  This is a sample alternative. */
 /* uname -v returns "VxLy Yzzzzz ....", e.g. "V20L10 Y95021 Increment 5 ..." */
-# define DEFAULT_OS_MAJOR_REV	"v V%[0-9]"
-# define DEFAULT_OS_MINOR_REV	"v V%*dL%[0-9]"
-# define DEFAULT_OS_NAME	"srvm %[^\n]"
-#elif defined(__FreeBSD__)
-/* NetBSD, OpenBSD, 386BSD, and BSD/OS too? */
+#  define DEFAULT_OS_MAJOR_REV	"v V%[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"v V%*dL%[0-9]"
+#  define DEFAULT_OS_NAME	"srvm %[^\n]"
+# elif defined(linux) || defined(__bsdi__)
+#  define DEFAULT_OS_MAJOR_REV	"r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV	"r %*d.%*d.%[0-9]"
+#  define DEFAULT_OS_NAME	"srm %[^\n]"
+#  if defined(linux) && defined  (CROSSCOMPILE_CPP)
+#   define CROSS_UTS_SYSNAME "Linux"
+#   include <linux/version.h>
+#   define CROSS_UTS_RELEASE UTS_RELEASE
+# endif
+# elif defined(__CYGWIN__)
+#  define DEFAULT_OS_MAJOR_REV	"r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV	"r %*d.%*d.%[0-9]"
+#  define DEFAULT_OS_NAME	"srm %[^\n]"
+#  if defined(__CYGWIN__) && defined  (CROSSCOMPILE_CPP)
+#   define CROSS_UTS_SYSNAME "Cygwin"
+#   include <cygwin/version.h>
+#   define CROSS_UTS_RELEASE "1.3.12"
+#  endif
+# elif defined(__GNU__)
+#  define DEFAULT_OS_MAJOR_REV	"r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"r %*d.%[0-9]"
+#  define DEFAULT_OS_NAME	"srm %[^\n]"
+# elif defined(ISC)
+/* ISC all Versions ? */
+/* uname -r returns "x.y", e.g. "3.2" ,uname -v returns "x" e.g. "2" */
+#  define DEFAULT_OS_MAJOR_REV   "r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV   "r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV   "v %[0-9]" 
+/* # define DEFAULT_OS_NAME        "srm %[^\n]" */ /* Not useful on ISC */
+# elif defined(__FreeBSD__) || defined(__OpenBSD__)
+/* BSD/OS too? */
 /* uname -r returns "x.y[.z]-mumble", e.g. "2.1.5-RELEASE" or "2.2-0801SNAP" */
-# define DEFAULT_OS_MAJOR_REV   "r %[0-9]"
-# define DEFAULT_OS_MINOR_REV   "r %*d.%[0-9]"
-# define DEFAULT_OS_TEENY_REV   "r %*d.%*d.%[0-9]" 
-# define DEFAULT_OS_NAME        "srm %[^\n]"
-#elif defined(_SEQUENT_)
+#  define DEFAULT_OS_MAJOR_REV   "r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV   "r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV   "r %*d.%*d.%[0-9]" 
+#  define DEFAULT_OS_NAME        "srm %[^\n]"
+#  if defined(__FreeBSD__)
+/* Use an alternate way to find the teeny version for -STABLE, -SNAP versions */
+#   ifndef CROSSCOMPILE_CPP
+#    define DEFAULT_OS_TEENY_REV_FROB(buf, size)			\
+      do {								\
+	if (*buf == 0) {						\
+		int __mib[2];						\
+		size_t __len;						\
+		int __osrel;						\
+									\
+		__mib[0] = CTL_KERN;					\
+		__mib[1] = KERN_OSRELDATE;				\
+		__len = sizeof(__osrel);				\
+		sysctl(__mib, 2, &__osrel, &__len, NULL, 0);		\
+		if (__osrel < 210000) {					\
+			if (__osrel < 199607)				\
+				buf[0] = '0';				\
+			else if (__osrel < 199612)			\
+				buf[0] = '5';				\
+			else if (__osrel == 199612)			\
+				buf[0] = '6';				\
+			else						\
+				buf[0] = '8'; /* guess */		\
+		} else {						\
+			buf[0] = ((__osrel / 1000) % 10) + '0';		\
+		}							\
+		buf[1] = 0;						\
+	}								\
+     } while (0)
+#   endif
+#  else
+   /* OpenBSD - Add DEFAULT_MACHINE_ARCHITECTURE */
+#   define DEFAULT_MACHINE_ARCHITECTURE "m %[^\n]"
+#  endif
+# elif defined(__NetBSD__)
+/*
+ * uname -r returns "x.y([ABCD...]|_mumble)", e.g.:
+ *	1.2	1.2_BETA	1.2A	1.2B
+ *
+ * That means that we have to do something special to turn the
+ * TEENY revision into a form that we can use (i.e., a string of
+ * decimal digits).
+ *
+ * We also frob the name DEFAULT_OS_NAME so that it looks like the
+ * 'standard' NetBSD name for the version, e.g. "NetBSD/i386 1.2B" for
+ * NetBSD 1.2B on an i386.
+ */
+#  define DEFAULT_OS_MAJOR_REV   "r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV   "r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV   "r %*d.%*d%[A-Z]" 
+#  define DEFAULT_OS_TEENY_REV_FROB(buf, size)				\
+    do {								\
+	int	teeny = 0;						\
+	char	*ptr = (buf);						\
+									\
+	while (*ptr >= 'A' && *ptr <= 'Z') /* sanity check */		\
+	    teeny = teeny * 26 + (int)(*ptr++ - 'A');			\
+									\
+	snprintf((buf), (size), "%d", teeny + 1);			\
+    } while (0)
+#  define DEFAULT_OS_NAME        "smr %[^\n]"
+#  define DEFAULT_OS_NAME_FROB(buf, size)				\
+    do {								\
+	char *__sp;							\
+	if ((__sp = strchr((buf), ' ')) != NULL)			\
+		*__sp = '/';						\
+    } while (0)
+# elif defined(__Lynx__) || defined(Lynx)
+/* Lynx 2.4.0 /bin/cc doesn't like #elif */
+#  define DEFAULT_OS_MAJOR_REV   "r %[0-9]"
+#  define DEFAULT_OS_MINOR_REV   "r %*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV   "r %*d.%*d.%[0-9]" 
+#  define DEFAULT_OS_NAME        "srm %[^\n]"
+# elif defined(_SEQUENT_)
 /* uname -v returns 'Vx.y.z', e.g. 'V4.4.2' */
-# define DEFAULT_OS_MAJOR_REV	"v V%[0-9]"
-# define DEFAULT_OS_MINOR_REV	"v V%*d.%[0-9]"
-# define DEFAULT_OS_TEENY_REV	"v V%*d.%*d.%[0-9]"
-# define DEFAULT_OS_NAME	"s %[^\n]"
-#endif
+#  define DEFAULT_OS_MAJOR_REV	"v V%[0-9]"
+#  define DEFAULT_OS_MINOR_REV	"v V%*d.%[0-9]"
+#  define DEFAULT_OS_TEENY_REV	"v V%*d.%*d.%[0-9]"
+#  define DEFAULT_OS_NAME	"s %[^\n]"
+# endif
+#endif /* !defined CROSSCOMPILE || defined CROSSCOMPILE_CPP */
+
+# if defined (CROSSCOMPILE_CPP) 
+#  ifndef CROSS_UTS_SYSNAME
+char *cross_uts_sysname = "";
+#  else
+char *cross_uts_sysname = CROSS_UTS_SYSNAME;
+#  endif
+#  ifndef CROSS_UTS_RELEASE
+char* cross_uts_release = "";
+#  else
+char* cross_uts_release = CROSS_UTS_RELEASE;
+#  endif
+#  ifndef CROSS_UTS_MACHINE
+char *cross_uts_machine = "";
+#  else
+char *cross_uts_machine = CROSS_UTS_MACHINE;
+#  endif
+#  ifndef CROSS_UTS_VERSION
+char * cross_uts_version = "";
+#  else
+char * cross_uts_version = CROSS_UTS_VERSION;
+#  endif
+#  ifdef DEFAULT_OS_NAME
+char *defaultOsName = DEFAULT_OS_NAME;
+#  else 
+char *defaultOsName = NULL;
+# endif
+#  ifdef DEFAULT_OS_MAJOR_REV
+char *defaultOsMajorRev = DEFAULT_OS_MAJOR_REV;
+#  else 
+char *defaultOsMajorRev = NULL;
+# endif
+#  ifdef DEFAULT_OS_MINOR_REV
+char *defaultOsMinorRev = DEFAULT_OS_MINOR_REV;
+#  else 
+char *defaultOsMinorRev = NULL;
+#  endif
+#  ifdef DEFAULT_OS_TEENY_REV
+char *defaultOsTeenyRev = DEFAULT_OS_TEENY_REV;
+#  else 
+char *defaultOsTeenyRev = NULL;
+#  endif
+#  ifdef DEFAULT_MACHINE_ARCHITECTURE
+char *defaultMachineArchitecture = DEFAULT_MACHINE_ARCHITECTURE;
+#  else 
+char *defaultMachineArchitecture = NULL;
+#  endif
+# ifdef DEFAULT_OS_NAME_FROB
+void defaultOsNameFrob(char *buf, int size)
+{DEFAULT_OS_NAME_FROB(buf,size)}
+# else
+void (*defaultOsNameFrob)(char *buf, int size) = NULL;
+# endif
+# ifdef DEFAULT_OS_MAJOR_REV_FROB
+void defaultOsMajorRevFrob(char *buf, int size)
+{DEFAULT_OS_MAJOR_REV_FROB(buf,size)}
+# else
+void (*defaultOsMajorRevFrob)(char *buf, int size) = NULL;
+# endif
+# ifdef DEFAULT_OS_MINOR_REV_FROB
+void defaultOsMinorRevFrob(char *buf, int size)
+{DEFAULT_OS_MINOR_REV_FROB(buf,size)}
+# else
+void (*defaultOsMinorRevFrob)(char *buf, int size) = NULL;
+# endif
+# ifdef DEFAULT_OS_TEENY_REV_FROB
+void defaultOsTeenyRevFrob(char *buf, int size)
+{DEFAULT_OS_TEENY_REV_FROB(buf,size)}
+# else
+void (*defaultOsTeenyRevFrob)(char *buf, int size) = NULL;
+# endif
+# endif /* CROSSCOMPILE_CPP */
 
 #else /* else MAKEDEPEND */
+#if !defined (CROSSCOMPILE) || defined (CROSSCOMPILE_CPP) 
 /*
  * Step 7:  predefs
  *     If your compiler and/or preprocessor define any specific symbols, add
@@ -599,6 +973,12 @@ struct symtab	predefs[] = {
 #ifdef apollo
 	{"apollo", "1"},
 #endif
+#if defined(clipper) || defined(__clipper__)
+	{"clipper", "1"},
+	{"__clipper__", "1"},
+	{"clix", "1"},
+	{"__clix__", "1"},
+#endif
 #ifdef ibm032
 	{"ibm032", "1"},
 #endif
@@ -675,10 +1055,25 @@ struct symtab	predefs[] = {
 	{"mc68020", "1"},
 #endif
 #ifdef __GNUC__
+# if __GNUC__ == 1
 	{"__GNUC__", "1"},
+# elif __GNUC__ == 2
+	{"__GNUC__", "2"},
+# elif __GNUC__ == 3
+	{"__GNUC__", "3"},
+# endif
+#endif
+#ifdef __STRICT_ANSI__
+	{"__STRICT_ANSI__", "1"},
 #endif
-#if __STDC__
+#ifdef __STDC__
+# if __STDC__ == 0
+	{"__STDC__", "0"},
+# elif __STDC__ == 1
 	{"__STDC__", "1"},
+# elif __STDC__ == 2
+	{"__STDC__", "2"},
+# endif
 #endif
 #ifdef __HIGHC__
 	{"__HIGHC__", "1"},
@@ -713,6 +1108,12 @@ struct symtab	predefs[] = {
 #ifdef m68k
         {"m68k", "1"},
 #endif
+#ifdef M68k
+        {"M68k", "1"},
+#endif
+#ifdef __m68k__
+	{"__m68k__", "1"},
+#endif
 #ifdef m88k
         {"m88k", "1"},
 #endif
@@ -740,9 +1141,15 @@ struct symtab	predefs[] = {
 #ifdef __osf__
 	{"__osf__", "1"},
 #endif
+#ifdef __amiga__
+	{"__amiga__", "1"},
+#endif
 #ifdef __alpha
 	{"__alpha", "1"},
 #endif
+#ifdef __alpha__
+	{"__alpha__", "1"},
+#endif
 #ifdef __DECC
 	{"__DECC",  "1"},
 #endif
@@ -804,12 +1211,188 @@ struct symtab	predefs[] = {
 #ifdef __NetBSD__
 	{"__NetBSD__", "1"},
 #endif
-#ifdef __EMX__
-	{"__EMX__", "1"},
+#ifdef __GNU__
+	{"__GNU__", "1"},
+#endif
+#ifdef __ELF__
+	{"__ELF__", "1"},
+#endif
+#ifdef __UNIXOS2__
+	{"__UNIXOS2__", "1"},
+#endif
+#if defined(__QNX__)
+        {"__QNX__", "1"},
+#endif
+#ifdef __QNXNTO__
+        {"__QNXNTO__", "1"},
+#endif
+# ifdef __powerpc__
+	{"__powerpc__", "1"},
+# endif
+# ifdef PowerMAX_OS
+	{"PowerMAX_OS", "1"},
+# endif
+# ifdef ia64
+	{"ia64", "1"},
+# endif
+# ifdef __ia64__
+	{"__ia64__", "1"},
+# endif
+# ifdef x86_64
+	{"x86_64", "1"},
+# endif
+# ifdef __x86_64__
+	{"__x86_64__", "1"},
+# endif
+# ifdef __i386__
+	{"__i386__", "1"},
+# endif
+# ifdef __i486__
+	{"__i486__", "1"},
+# endif
+# ifdef __i586__
+	{"__i586__", "1"},
+# endif
+# ifdef __i686__
+	{"__i686__", "1"},
+# endif
+# ifdef __k6__
+	{"__k6__", "1"},
+# endif
+# ifdef i386
+	{"i386", "1"},
+# endif
+# ifdef i486
+	{"i486", "1"},
+# endif
+# ifdef i586
+	{"i586", "1"},
+# endif
+# ifdef i686
+	{ "i686", "1"},
+# endif
+# ifdef k6
+	{"k6", "1"},
+# endif
+# ifdef sparc
+	{"sparc", "1"},
+# endif
+# ifdef __sparc__
+	{"__sparc__", "1"},
+# endif
+# ifdef __s390__
+	{"__s390__", "1"},
+# endif
+# ifdef __sh__
+	{"__sh__", "1"},
+# endif
+# ifdef __sh3_
+	{"__sh3__", "1"},
+# endif
+# ifdef __SH3__
+	{"__SH3__", "1"},
+# endif
+# ifdef __SH4__
+	{"__SH4__", "1"},
+# endif
+# ifdef __SH4NOFPU__
+	{"__SH4NOFPU__", "1"},
+# endif
+#if defined(__ppc__)
+        {"__ppc__", "1"},
+#endif
+#if defined(__BIG_ENDIAN__)
+      {"__BIG_ENDIAN__", "1"},
+#endif
+#if defined(__LITTLE_ENDIAN__)
+      {"__LITTLE_ENDIAN__", "1"},
 #endif
+
+
 	/* add any additional symbols before this line */
 	{NULL, NULL}
 };
-
+#endif /* CROSSCOMPILE */
 #endif /* MAKEDEPEND */
+
+# ifndef MAKEDEPEND
+#  if  defined (CROSSCOMPILE_CPP) 
+#   ifdef USE_CC_E
+boolean crosscompile_use_cc_e = TRUE;
+#    ifdef DEFAULT_CC
+char* crosscompile_cpp = DEFAULT_CC;
+#    else
+char* crosscompile_cpp = "cc";
+#    endif
+#   else
+boolean crosscompile_use_cc_e = FALSE;
+#    ifdef DEFAULT_CPP
+char* crosscompile_cpp = DEFAULT_CPP;
+#    else
+char* crosscompile_cpp = "cpp";
+#    endif
+#   endif
+#   ifdef FIXUP_CPP_WHITESPACE
+boolean fixup_whitespace = TRUE;
+#   else
+boolean fixup_whitespace = FALSE;
+#   endif
+#   ifdef REMOVE_CPP_LEADSPACE
+boolean remove_cpp_leadspace = TRUE;
+#   else
+boolean remove_cpp_leadspace = FALSE;
+#   endif
+#   ifdef INLINE_SYNTAX
+boolean inline_syntax = TRUE;
+#   else
+boolean inline_syntax = FALSE;
+#   endif
+#   ifdef MAGIC_MAKE_VARS
+boolean magic_make_vars = TRUE;
+#   else
+boolean magic_make_vars = FALSE;
+#   endif
+
+typedef enum {
+  unknown,
+  freeBSD,
+  netBSD,
+  LinuX,
+  emx,
+  win32
+} System;
+
+#   ifdef linux
+System sys = LinuX;
+#   elif defined __FreeBSD__
+System sys = freebsd;
+#   elif defined __NetBSD__
+System sys = netBSD;
+#   elif defined __EMX__
+System sys = emx;
+#   elif defined WIN32
+System sys = win32;
+#   else
+System sys = unknown;
+#   endif
+
+#   if defined __GNUC__
+int gnu_c = __GNUC__;
+int gnu_c_minor = __GNUC_MINOR__;
+#   else 
+int gnu_c = 0;
+int gnu_c_minor = -1;
+#   endif
+#   if defined linux
+#    include <features.h>
+int glibc_major = __GLIBC__ + 4;
+int glibc_minor = __GLIBC_MINOR__;
+#   else
+int glibc_major = 0;
+int glibc_minor = -1;
+#   endif
+#  endif /* !CROSSCOMPILE || CROSSCOMPILE_CPP */
+
+# endif /* MAKEDEPEND */
+
 #endif /* CCIMAKE */
diff --git a/include.c b/include.c
index 4b74341..4e32800 100644
--- a/include.c
+++ b/include.c
@@ -24,38 +24,37 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
+/* $XFree86: xc/config/makedepend/include.c,v 3.7 2001/12/14 19:53:20 dawes Exp $ */
 
 
 #include "def.h"
 
 extern struct	inclist	inclist[ MAXFILES ],
-			*inclistp;
-extern char	*includedirs[ ];
+			*inclistp, *inclistnext;
+extern char	*includedirs[ ],
+		**includedirsnext;
 extern char	*notdotdot[ ];
 extern boolean show_where_not;
 extern boolean warn_multiple;
 
-boolean
-isdot(p)
-	register char	*p;
+static boolean
+isdot(char *p)
 {
 	if(p && *p++ == '.' && *p++ == '\0')
 		return(TRUE);
 	return(FALSE);
 }
 
-boolean
-isdotdot(p)
-	register char	*p;
+static boolean
+isdotdot(char *p)
 {
 	if(p && *p++ == '.' && *p++ == '.' && *p++ == '\0')
 		return(TRUE);
 	return(FALSE);
 }
 
-boolean
-issymbolic(dir, component)
-	register char	*dir, *component;
+static boolean
+issymbolic(char *dir, char *component)
 {
 #ifdef S_IFLNK
 	struct stat	st;
@@ -81,9 +80,8 @@ issymbolic(dir, component)
  * Any of the 'x/..' sequences within the name can be eliminated.
  * (but only if 'x' is not a symbolic link!!)
  */
-void
-remove_dotdot(path)
-	char	*path;
+static void
+remove_dotdot(char *path)
 {
 	register char	*end, *from, *to, **cp;
 	char		*components[ MAXFILES ],
@@ -154,8 +152,8 @@ remove_dotdot(path)
 /*
  * Add an include file to the list of those included by 'file'.
  */
-struct inclist *newinclude(newfile, incstring)
-	register char	*newfile, *incstring;
+struct inclist *
+newinclude(char *newfile, char *incstring)
 {
 	register struct inclist	*ip;
 
@@ -172,12 +170,12 @@ struct inclist *newinclude(newfile, incstring)
 	else
 		ip->i_incstring = copy(incstring);
 
+	inclistnext = inclistp;
 	return(ip);
 }
 
 void
-included_by(ip, newfile)
-	register struct inclist	*ip, *newfile;
+included_by(struct inclist *ip, struct inclist *newfile)
 {
 	register int i;
 
@@ -227,7 +225,7 @@ included_by(ip, newfile)
 }
 
 void
-inc_clean ()
+inc_clean (void)
 {
 	register struct inclist *ip;
 
@@ -236,84 +234,85 @@ inc_clean ()
 	}
 }
 
-struct inclist *inc_path(file, include, dot)
-	register char	*file,
-			*include;
-	boolean	dot;
+struct inclist *
+inc_path(char *file, char *include, int type)
 {
-	static char	path[ BUFSIZ ];
+	static char		path[ BUFSIZ ];
 	register char		**pp, *p;
 	register struct inclist	*ip;
-	struct stat	st;
-	boolean	found = FALSE;
+	struct stat		st;
 
 	/*
 	 * Check all previously found include files for a path that
 	 * has already been expanded.
 	 */
-	for (ip = inclist; ip->i_file; ip++)
-	    if ((strcmp(ip->i_incstring, include) == 0) &&
-		!(ip->i_flags & INCLUDED_SYM))
-	    {
-		found = TRUE;
-		break;
-	    }
+	if ((type == INCLUDE) || (type == INCLUDEDOT))
+		inclistnext = inclist;
+	ip = inclistnext;
+
+	for (; ip->i_file; ip++) {
+		if ((strcmp(ip->i_incstring, include) == 0) &&
+		    !(ip->i_flags & INCLUDED_SYM)) {
+			inclistnext = ip + 1;
+			return ip;
+		}
+	}
 
-	/*
-	 * If the path was surrounded by "" or is an absolute path,
-	 * then check the exact path provided.
-	 */
-	if (!found && (dot || *include == '/')) {
-		if (stat(include, &st) == 0) {
-			ip = newinclude(include, include);
-			found = TRUE;
+	if (inclistnext == inclist) {
+		/*
+		 * If the path was surrounded by "" or is an absolute path,
+		 * then check the exact path provided.
+		 */
+		if ((type == INCLUDEDOT) ||
+		    (type == INCLUDENEXTDOT) ||
+		    (*include == '/')) {
+			if (stat(include, &st) == 0)
+				return newinclude(include, include);
+			if (show_where_not)
+				warning1("\tnot in %s\n", include);
+		}
+
+		/*
+		 * If the path was surrounded by "" see if this include file is
+		 * in the directory of the file being parsed.
+		 */
+		if ((type == INCLUDEDOT) || (type == INCLUDENEXTDOT)) {
+			for (p=file+strlen(file); p>file; p--)
+				if (*p == '/')
+					break;
+			if (p == file) {
+				strcpy(path, include);
+			} else {
+				strncpy(path, file, (p-file) + 1);
+				path[ (p-file) + 1 ] = '\0';
+				strcpy(path + (p-file) + 1, include);
+			}
+			remove_dotdot(path);
+			if (stat(path, &st) == 0)
+				return newinclude(path, include);
+			if (show_where_not)
+				warning1("\tnot in %s\n", path);
 		}
-		else if (show_where_not)
-			warning1("\tnot in %s\n", include);
 	}
 
 	/*
-	 * If the path was surrounded by "" see if this include file is in the
-	 * directory of the file being parsed.
+	 * Check the include directories specified.  Standard include dirs
+	 * should be at the end.
 	 */
-	if (!found && dot) {
-		for (p=file+strlen(file); p>file; p--)
-			if (*p == '/')
-				break;
-		if (p == file)
-			strcpy(path, include);
-		else {
-			strncpy(path, file, (p-file) + 1);
-			path[ (p-file) + 1 ] = '\0';
-			strcpy(path + (p-file) + 1, include);
-		}
+	if ((type == INCLUDE) || (type == INCLUDEDOT))
+		includedirsnext = includedirs;
+	pp = includedirsnext;
+
+	for (; *pp; pp++) {
+		sprintf(path, "%s/%s", *pp, include);
 		remove_dotdot(path);
 		if (stat(path, &st) == 0) {
-			ip = newinclude(path, include);
-			found = TRUE;
+			includedirsnext = pp + 1;
+			return newinclude(path, include);
 		}
-		else if (show_where_not)
+		if (show_where_not)
 			warning1("\tnot in %s\n", path);
 	}
 
-	/*
-	 * Check the include directories specified. (standard include dir
-	 * should be at the end.)
-	 */
-	if (!found)
-		for (pp = includedirs; *pp; pp++) {
-			sprintf(path, "%s/%s", *pp, include);
-			remove_dotdot(path);
-			if (stat(path, &st) == 0) {
-				ip = newinclude(path, include);
-				found = TRUE;
-				break;
-			}
-			else if (show_where_not)
-				warning1("\tnot in %s\n", path);
-		}
-
-	if (!found)
-		ip = NULL;
-	return(ip);
+	return NULL;
 }
diff --git a/main.c b/main.c
index bfb6d26..73b30b0 100644
--- a/main.c
+++ b/main.c
@@ -24,6 +24,7 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
+/* $XFree86: xc/config/makedepend/main.c,v 3.31 2003/01/17 17:09:49 tsi Exp $ */
 
 #include "def.h"
 #ifdef hpux
@@ -44,14 +45,26 @@ in this Software without prior written authorization from The Open Group.
 #endif
 #endif
 
-#if NeedVarargsPrototypes
 #include <stdarg.h>
+
+#ifdef MINIX
+#define USE_CHMOD	1
 #endif
 
 #ifdef DEBUG
 int	_debugmask;
 #endif
 
+/* #define DEBUG_DUMP */
+#ifdef DEBUG_DUMP
+#define DBG_PRINT(args...)   fprintf(args)
+#else
+#define DBG_PRINT(args...)   /* empty */
+#endif
+
+#define DASH_INC_PRE    "#include \""
+#define DASH_INC_POST   "\""
+
 char *ProgramName;
 
 char	*directives[] = {
@@ -71,6 +84,7 @@ char	*directives[] = {
 	"elif",
 	"eject",
 	"warning",
+	"include_next",
 	NULL
 };
 
@@ -80,28 +94,28 @@ char	*directives[] = {
 
 struct	inclist inclist[ MAXFILES ],
 		*inclistp = inclist,
+		*inclistnext = inclist,
 		maininclist;
 
-char	*filelist[ MAXFILES ];
-char	*includedirs[ MAXDIRS + 1 ];
-char	*notdotdot[ MAXDIRS ];
-char	*objprefix = "";
-char	*objsuffix = OBJSUFFIX;
-char	*startat = "# DO NOT DELETE";
-int	width = 78;
-boolean	append = FALSE;
-boolean	printed = FALSE;
-boolean	verbose = FALSE;
-boolean	show_where_not = FALSE;
-boolean warn_multiple = FALSE;	/* Warn on multiple includes of same file */
-
-void freefile();
-void redirect();
-#if !NeedVarargsPrototypes
-void fatalerr();
-void warning();
-void warning1();
-#endif
+static char	*filelist[ MAXFILES ];
+char		*includedirs[ MAXDIRS + 1 ],
+		**includedirsnext = includedirs;
+char		*notdotdot[ MAXDIRS ];
+static int	cmdinc_count = 0;
+static char	*cmdinc_list[ 2 * MAXINCFILES ];
+char		*objprefix = "";
+char		*objsuffix = OBJSUFFIX;
+static char	*startat = "# DO NOT DELETE";
+int		width = 78;
+static boolean	append = FALSE;
+boolean		printed = FALSE;
+boolean		verbose = FALSE;
+boolean		show_where_not = FALSE;
+/* Warn on multiple includes of same file */
+boolean 	warn_multiple = FALSE;
+
+static void setfile_cmdinc(struct filepointer *filep, long count, char **list);
+static void redirect(char *line, char *makefile);
 
 static
 #ifdef SIGNALRETURNSINT
@@ -109,19 +123,18 @@ int
 #else
 void
 #endif
-catch (sig)
-    int sig;
+catch (int sig)
 {
 	fflush (stdout);
 	fatalerr ("got signal %d\n", sig);
 }
 
-#if defined(USG) || (defined(i386) && defined(SYSV)) || defined(WIN32)
+#if defined(USG) || (defined(i386) && defined(SYSV)) || defined(WIN32) || defined(__UNIXOS2__) || defined(Lynx_22) || defined(__CYGWIN__)
 #define USGISH
 #endif
 
 #ifndef USGISH
-#ifndef _POSIX_SOURCE
+#ifdef X_NOT_POSIX
 #define sigaction sigvec
 #define sa_handler sv_handler
 #define sa_mask sv_mask
@@ -130,19 +143,20 @@ catch (sig)
 struct sigaction sig_act;
 #endif /* USGISH */
 
-main(argc, argv)
-	int	argc;
-	char	**argv;
+int
+main(int argc, char *argv[])
 {
-	register char	**fp = filelist;
-	register char	**incp = includedirs;
-	register char	*p;
-	register struct inclist	*ip;
+	char	**fp = filelist;
+	char	**incp = includedirs;
+	char	*p;
+	struct inclist	*ip;
 	char	*makefile = NULL;
 	struct filepointer	*filecontent;
 	struct symtab *psymp = predefs;
 	char *endmarker = NULL;
 	char *defincdir = NULL;
+	char **undeflist = NULL;
+	int numundefs = 0, i;
 
 	ProgramName = argv[0];
 
@@ -237,6 +251,20 @@ main(argc, argv)
 				argc--;
 			}
 			break;
+		case 'U':
+			/* Undef's override all -D's so save them up */
+			numundefs++;
+			if (numundefs == 1)
+			    undeflist = malloc(sizeof(char *));
+			else
+			    undeflist = realloc(undeflist,
+						numundefs * sizeof(char *));
+			if (argv[0][2] == '\0') {
+				argv++;
+				argc--;
+			}
+			undeflist[numundefs - 1] = argv[0] + 2;
+			break;
 		case 'Y':
 			defincdir = argv[0]+2;
 			break;
@@ -310,21 +338,76 @@ main(argc, argv)
 		case 'O':
 		case 'g':
 			break;
+		case 'i':
+			if (strcmp(&argv[0][1],"include") == 0) {
+				char *buf;
+				if (argc<2)
+					fatalerr("option -include is a "
+						 "missing its parameter\n");
+				if (cmdinc_count >= MAXINCFILES)
+					fatalerr("Too many -include flags.\n");
+				argc--;
+				argv++;
+				buf = malloc(strlen(DASH_INC_PRE) +
+					     strlen(argv[0]) +
+					     strlen(DASH_INC_POST) + 1);
+                		if(!buf)
+					fatalerr("out of memory at "
+						 "-include string\n");
+				cmdinc_list[2 * cmdinc_count + 0] = argv[0];
+				cmdinc_list[2 * cmdinc_count + 1] = buf;
+				cmdinc_count++;
+				break;
+			}
+			/* intentional fall through */
 		default:
 			if (endmarker) break;
 	/*		fatalerr("unknown opt = %s\n", argv[0]); */
 			warning("ignoring option %s\n", argv[0]);
 		}
 	}
+	/* Now do the undefs from the command line */
+	for (i = 0; i < numundefs; i++)
+	    undefine(undeflist[i], &maininclist);
+	if (numundefs > 0)
+	    free(undeflist);
+
 	if (!defincdir) {
 #ifdef PREINCDIR
 	    if (incp >= includedirs + MAXDIRS)
 		fatalerr("Too many -I flags.\n");
 	    *incp++ = PREINCDIR;
 #endif
+#ifdef __UNIXOS2__
+	    {
+		char *emxinc = getenv("C_INCLUDE_PATH");
+		/* can have more than one component */
+		if (emxinc) {
+		    char *beg, *end;
+		    beg= (char*)strdup(emxinc);
+		    for (;;) {
+			end = (char*)strchr(beg,';');
+			if (end) *end = 0;
+		    	if (incp >= includedirs + MAXDIRS)
+				fatalerr("Too many include dirs\n");
+			*incp++ = beg;
+			if (!end) break;
+			beg = end+1;
+		    }
+		}
+	    }
+#else /* !__UNIXOS2__, does not use INCLUDEDIR at all */
 	    if (incp >= includedirs + MAXDIRS)
 		fatalerr("Too many -I flags.\n");
 	    *incp++ = INCLUDEDIR;
+#endif
+
+#ifdef EXTRAINCDIR
+	    if (incp >= includedirs + MAXDIRS)
+		fatalerr("Too many -I flags.\n");
+	    *incp++ = EXTRAINCDIR;
+#endif
+
 #ifdef POSTINCDIR
 	    if (incp >= includedirs + MAXDIRS)
 		fatalerr("Too many -I flags.\n");
@@ -360,7 +443,7 @@ main(argc, argv)
 #endif
 #else
 	sig_act.sa_handler = catch;
-#ifdef _POSIX_SOURCE
+#if defined(_POSIX_SOURCE) || !defined(X_NOT_POSIX)
 	sigemptyset(&sig_act.sa_mask);
 	sigaddset(&sig_act.sa_mask, SIGINT);
 	sigaddset(&sig_act.sa_mask, SIGQUIT);
@@ -407,7 +490,9 @@ main(argc, argv)
 	 * now peruse through the list of files.
 	 */
 	for(fp=filelist; *fp; fp++) {
+		DBG_PRINT(stderr,"file: %s\n",*fp);
 		filecontent = getfile(*fp);
+		setfile_cmdinc(filecontent, cmdinc_count, cmdinc_list);
 		ip = newinclude(*fp, (char *)NULL);
 
 		find_includes(filecontent, ip, ip, 0, FALSE);
@@ -417,17 +502,34 @@ main(argc, argv)
 	}
 	if (printed)
 		printf("\n");
-	exit(0);
+	return 0;
 }
 
-struct filepointer *getfile(file)
-	char	*file;
+#ifdef __UNIXOS2__
+/*
+ * eliminate \r chars from file
+ */
+static int 
+elim_cr(char *buf, int sz)
+{
+	int i,wp;
+	for (i= wp = 0; i<sz; i++) {
+		if (buf[i] != '\r')
+			buf[wp++] = buf[i];
+	}
+	return wp;
+}
+#endif
+
+struct filepointer *
+getfile(char *file)
 {
-	register int	fd;
+	int	fd;
 	struct filepointer	*content;
 	struct stat	st;
 
 	content = (struct filepointer *)malloc(sizeof(struct filepointer));
+	content->f_name = file;
 	if ((fd = open(file, O_RDONLY)) < 0) {
 		warning("cannot open \"%s\"\n", file);
 		content->f_p = content->f_base = content->f_end = (char *)malloc(1);
@@ -440,36 +542,48 @@ struct filepointer *getfile(file)
 		fatalerr("cannot allocate mem\n");
 	if ((st.st_size = read(fd, content->f_base, st.st_size)) < 0)
 		fatalerr("failed to read %s\n", file);
+#ifdef __UNIXOS2__
+	st.st_size = elim_cr(content->f_base,st.st_size);
+#endif
 	close(fd);
 	content->f_len = st.st_size+1;
 	content->f_p = content->f_base;
 	content->f_end = content->f_base + st.st_size;
 	*content->f_end = '\0';
 	content->f_line = 0;
+	content->cmdinc_count = 0;
+	content->cmdinc_list = NULL;
+	content->cmdinc_line = 0;
 	return(content);
 }
 
 void
-freefile(fp)
-	struct filepointer	*fp;
+setfile_cmdinc(struct filepointer* filep, long count, char** list)
+{
+	filep->cmdinc_count = count;
+	filep->cmdinc_list = list;
+	filep->cmdinc_line = 0;
+}
+
+void
+freefile(struct filepointer *fp)
 {
 	free(fp->f_base);
 	free(fp);
 }
 
-char *copy(str)
-	register char	*str;
+char *copy(char *str)
 {
-	register char	*p = (char *)malloc(strlen(str) + 1);
+	char	*p = (char *)malloc(strlen(str) + 1);
 
 	strcpy(p, str);
 	return(p);
 }
 
-match(str, list)
-	register char	*str, **list;
+int
+match(char *str, char **list)
 {
-	register int	i;
+	int	i;
 
 	for (i=0; *list; i++, list++)
 		if (strcmp(str, *list) == 0)
@@ -481,13 +595,26 @@ match(str, list)
  * Get the next line.  We only return lines beginning with '#' since that
  * is all this program is ever interested in.
  */
-char *getline(filep)
-	register struct filepointer	*filep;
+char *getnextline(struct filepointer *filep)
 {
-	register char	*p,	/* walking pointer */
-			*eof,	/* end of file pointer */
-			*bol;	/* beginning of line pointer */
-	register int	lineno;	/* line number */
+	char	*p,	/* walking pointer */
+		*eof,	/* end of file pointer */
+		*bol;	/* beginning of line pointer */
+	int	lineno;	/* line number */
+	boolean whitespace = FALSE;
+
+	/*
+	 * Fake the "-include" line files in form of #include to the
+	 * start of each file.
+	 */
+	if (filep->cmdinc_line < filep->cmdinc_count) {
+		char *inc = filep->cmdinc_list[2 * filep->cmdinc_line + 0];
+		char *buf = filep->cmdinc_list[2 * filep->cmdinc_line + 1];
+		filep->cmdinc_line++;
+		sprintf(buf,"%s%s%s",DASH_INC_PRE,inc,DASH_INC_POST);
+		DBG_PRINT(stderr,"%s\n",buf);
+		return(buf);
+	}
 
 	p = filep->f_p;
 	eof = filep->f_end;
@@ -495,86 +622,103 @@ char *getline(filep)
 		return((char *)NULL);
 	lineno = filep->f_line;
 
-	for(bol = p--; ++p < eof; ) {
-		if (*p == '/' && *(p+1) == '*') { /* consume comments */
-			*p++ = ' ', *p++ = ' ';
-			while (*p) {
-				if (*p == '*' && *(p+1) == '/') {
-					*p++ = ' ', *p = ' ';
+	for (bol = p--; ++p < eof; ) {
+		if ((bol == p) && ((*p == ' ') || (*p == '\t')))
+		{
+			/* Consume leading white-spaces for this line */
+			while (((p+1) < eof) && ((*p == ' ') || (*p == '\t')))
+			{
+				p++;
+				bol++;
+			}
+			whitespace = TRUE;
+		}
+        
+		if (*p == '/' && (p+1) < eof && *(p+1) == '*') {
+			/* Consume C comments */
+			*(p++) = ' ';
+			*(p++) = ' ';
+			while (p < eof && *p) {
+				if (*p == '*' && (p+1) < eof && *(p+1) == '/') {
+					*(p++) = ' ';
+					*(p++) = ' ';
 					break;
 				}
-				else if (*p == '\n')
+				if (*p == '\n')
 					lineno++;
-				*p++ = ' ';
+				*(p++) = ' ';
 			}
-			continue;
+			--p;
 		}
-		else if (*p == '/' && *(p+1) == '/') { /* consume comments */
-			*p++ = ' ', *p++ = ' ';
-
-			while (*p)
-			{
-				/* Comment continues on next line. */
-				if (*p == '\\' && *(p+1) == '\n')
-				{
-					*(p++) = ' ';
+		else if (*p == '/' && (p+1) < eof && *(p+1) == '/') {
+			/* Consume C++ comments */
+			*(p++) = ' ';
+			*(p++) = ' ';
+			while (p < eof && *p) {
+				if (*p == '\\' && (p+1) < eof &&
+				    *(p+1) == '\n') {
 					*(p++) = ' ';
 					lineno++;
 				}
-				else
-				if (*p == '\n')
-				{
-					/*
-					 * Decrement so that the next iteration
-					 * of the outter "for loop" will handle
-					 * the case of "*p == '\n'".
-					 */
-					--p;
-					break;
-				}
-				else
-				{
-					*p++ = ' ';
+				else if (*p == '?' && (p+3) < eof &&
+					 *(p+1) == '?' && 
+					 *(p+2) == '/' &&
+					 *(p+3) == '\n') {
+					*(p++) = ' ';
+					*(p++) = ' ';
+					*(p++) = ' ';
+					lineno++;
 				}
+				else if (*p == '\n')
+					break;	/* to process end of line */
+				*(p++) = ' ';
 			}
-
-			continue;
+			--p;
 		}
-#ifdef WIN32
-		else if (*p == '/' && *(p+1) == '/') { /* consume comments */
-			*p++ = ' ', *p++ = ' ';
-			while (*p && *p != '\n')
-				*p++ = ' ';
+		else if (*p == '\\' && (p+1) < eof && *(p+1) == '\n') {
+			/* Consume backslash line terminations */
+			*(p++) = ' ';
+			*p = ' ';
 			lineno++;
-			continue;
 		}
-#endif
-		else if (*p == '\\') {
-			if (*(p+1) == '\n') {
-				*p = ' ';
-				*(p+1) = ' ';
-				lineno++;
-			}
+		else if (*p == '?' && (p+3) < eof &&
+			 *(p+1) == '?' && *(p+2) == '/' && *(p+3) == '\n') {
+			/* Consume trigraph'ed backslash line terminations */
+			*(p++) = ' ';
+			*(p++) = ' ';
+			*(p++) = ' ';
+			*p = ' ';
+			lineno++;
 		}
 		else if (*p == '\n') {
 			lineno++;
 			if (*bol == '#') {
-				register char *cp;
+				char *cp;
 
-				*p++ = '\0';
+				*(p++) = '\0';
 				/* punt lines with just # (yacc generated) */
 				for (cp = bol+1; 
 				     *cp && (*cp == ' ' || *cp == '\t'); cp++);
 				if (*cp) goto done;
+				--p;
 			}
 			bol = p+1;
+			whitespace = FALSE;
 		}
 	}
 	if (*bol != '#')
 		bol = NULL;
 done:
+	if (bol && whitespace) {
+		warning("%s:  non-portable whitespace encountered at line %d\n",
+			filep->f_name, lineno);
+	}
 	filep->f_p = p;
 	filep->f_line = lineno;
+#ifdef DEBUG_DUMP
+	if (bol)
+		DBG_PRINT(stderr,"%s\n",bol);
+#endif
 	return(bol);
 }
 
@@ -582,10 +726,9 @@ done:
  * Strip the file name down to what we want to see in the Makefile.
  * It will have objprefix and objsuffix around it.
  */
-char *base_name(file)
-	register char	*file;
+char *base_name(char *file)
 {
-	register char	*p;
+	char	*p;
 
 	file = copy(file);
 	for(p=file+strlen(file); p>file && *p != '.'; p--) ;
@@ -595,9 +738,8 @@ char *base_name(file)
 	return(file);
 }
 
-#if defined(USG) && !defined(CRAY) && !defined(SVR4)
-int rename (from, to)
-    char *from, *to;
+#if defined(USG) && !defined(CRAY) && !defined(SVR4) && !defined(__UNIXOS2__) && !defined(clipper) && !defined(__clipper__)
+int rename (char *from, char *to)
 {
     (void) unlink (to);
     if (link (from, to) == 0) {
@@ -610,9 +752,7 @@ int rename (from, to)
 #endif /* USGISH */
 
 void
-redirect(line, makefile)
-	char	*line,
-		*makefile;
+redirect(char *line, char *makefile)
 {
 	struct stat	st;
 	FILE	*fdin, *fdout;
@@ -646,12 +786,12 @@ redirect(line, makefile)
 		fatalerr("cannot open \"%s\"\n", makefile);
 	sprintf(backup, "%s.bak", makefile);
 	unlink(backup);
-#ifdef WIN32
+#if defined(WIN32) || defined(__UNIXOS2__) || defined(__CYGWIN__)
 	fclose(fdin);
 #endif
 	if (rename(makefile, backup) < 0)
 		fatalerr("cannot rename %s to %s\n", makefile, backup);
-#ifdef WIN32
+#if defined(WIN32) || defined(__UNIXOS2__) || defined(__CYGWIN__)
 	if ((fdin = fopen(backup, "r")) == NULL)
 		fatalerr("cannot open \"%s\"\n", backup);
 #endif
@@ -674,7 +814,7 @@ redirect(line, makefile)
 	    }
 	}
 	fflush(fdout);
-#if defined(USGISH) || defined(_SEQUENT_)
+#if defined(USGISH) || defined(_SEQUENT_) || defined(USE_CHMOD)
 	chmod(makefile, st.st_mode);
 #else
         fchmod(fileno(fdout), st.st_mode);
@@ -682,65 +822,31 @@ redirect(line, makefile)
 }
 
 void
-#if NeedVarargsPrototypes
 fatalerr(char *msg, ...)
-#else
-/*VARARGS*/
-fatalerr(msg,x1,x2,x3,x4,x5,x6,x7,x8,x9)
-    char *msg;
-#endif
 {
-#if NeedVarargsPrototypes
 	va_list args;
-#endif
 	fprintf(stderr, "%s: error:  ", ProgramName);
-#if NeedVarargsPrototypes
 	va_start(args, msg);
 	vfprintf(stderr, msg, args);
 	va_end(args);
-#else
-	fprintf(stderr, msg,x1,x2,x3,x4,x5,x6,x7,x8,x9);
-#endif
 	exit (1);
 }
 
 void
-#if NeedVarargsPrototypes
 warning(char *msg, ...)
-#else
-/*VARARGS0*/
-warning(msg,x1,x2,x3,x4,x5,x6,x7,x8,x9)
-    char *msg;
-#endif
 {
-#if NeedVarargsPrototypes
 	va_list args;
-#endif
 	fprintf(stderr, "%s: warning:  ", ProgramName);
-#if NeedVarargsPrototypes
 	va_start(args, msg);
 	vfprintf(stderr, msg, args);
 	va_end(args);
-#else
-	fprintf(stderr, msg,x1,x2,x3,x4,x5,x6,x7,x8,x9);
-#endif
 }
 
 void
-#if NeedVarargsPrototypes
 warning1(char *msg, ...)
-#else
-/*VARARGS0*/
-warning1(msg,x1,x2,x3,x4,x5,x6,x7,x8,x9)
-    char *msg;
-#endif
 {
-#if NeedVarargsPrototypes
 	va_list args;
 	va_start(args, msg);
 	vfprintf(stderr, msg, args);
 	va_end(args);
-#else
-	fprintf(stderr, msg,x1,x2,x3,x4,x5,x6,x7,x8,x9);
-#endif
 }
diff --git a/makedepend.man b/makedepend.man
index 21a3faa..595c87e 100644
--- a/makedepend.man
+++ b/makedepend.man
@@ -22,7 +22,10 @@
 .\" be used in advertising or otherwise to promote the sale, use or other 
 .\" dealing in this Software without prior written authorization from The
 .\" Open Group.
-.TH MAKEDEPEND 1 "Release 6.4" "X Version 11"
+.\"
+.\" $XFree86: xc/config/makedepend/mkdepend.man,v 1.7 2002/12/14 02:39:45 dawes Exp $
+.\"
+.TH MAKEDEPEND 1 __xorgversion__
 .UC 4
 .SH NAME
 makedepend \- create dependencies in makefiles
@@ -41,6 +44,8 @@ makedepend \- create dependencies in makefiles
 ] [
 .BI \-f makefile
 ] [
+.BI \-include \ file
+] [
 .BI \-o objsuffix
 ] [
 .BI \-p objprefix
@@ -111,7 +116,7 @@ option.
 It first searches the makefile for
 the line
 .sp
-    # DO NOT DELETE THIS LINE \-\^\- make depend depends on it.
+\&    # DO NOT DELETE THIS LINE \-\^\- make depend depends on it.
 .sp
 or one provided with the
 .B \-s
@@ -199,6 +204,12 @@ can place its output.
 Specifying ``\-'' as the file name (i.e., \fB\-f\-\fP) sends the
 output to standard output instead of modifying an existing file.
 .TP 5
+.B \-include \fIfile\fP
+Process file as input, and include all the resulting output
+before processing the regular input file. This has the same
+affect as if the specified file is an include statement that
+appears before the very first line of the regular input file.
+.TP 5
 .B \-o\fIobjsuffix\fP
 Object file suffix.
 Some systems may have object files whose suffix is something other
@@ -342,9 +353,8 @@ to the list of dependencies for
 cc(1), make(1)
 .SH BUGS
 .B makedepend
-parses, but does not currently evaluate, the SVR4
-#predicate(token-list) preprocessor expression;
-such expressions are simply assumed to be true.
+parses, but does not currently evaluate, the SVR4 #predicate(token-list)
+preprocessor expression; such expressions are simply assumed to be true.
 This may cause the wrong
 .I #include
 directives to be evaluated.
diff --git a/parse.c b/parse.c
index 68fde6c..968d2c4 100644
--- a/parse.c
+++ b/parse.c
@@ -24,21 +24,32 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
+/* $XFree86: xc/config/makedepend/parse.c,v 1.12 2002/02/26 05:09:10 tsi Exp $ */
 
 #include "def.h"
 
 extern char	*directives[];
-extern struct inclist	maininclist;
-
-int
-gobble(filep, file, file_red)
-	register struct filepointer *filep;
-	struct inclist		*file, *file_red;
+extern struct inclist	inclist[ MAXFILES ],
+			*inclistnext,
+			maininclist;
+extern char	*includedirs[ ],
+		**includedirsnext;
+
+static int deftype (char *line, struct filepointer *filep,
+		    struct inclist *file_red, struct inclist *file,
+		    int parse_it);
+static int zero_value(char *filename, char *exp, struct filepointer *filep,
+		    struct inclist *file_red);
+static int merge2defines(struct inclist *file1, struct inclist *file2);
+
+static int
+gobble(struct filepointer *filep, struct inclist *file,
+       struct inclist *file_red)
 {
-	register char	*line;
-	register int	type;
+	char	*line;
+	int	type;
 
-	while ((line = getline(filep))) {
+	while ((line = getnextline(filep))) {
 		switch(type = deftype(line, filep, file_red, file, FALSE)) {
 		case IF:
 		case IFFALSE:
@@ -68,6 +79,8 @@ gobble(filep, file, file_red)
 		case SCCS:
 		case EJECT:
 		case WARNING:
+		case INCLUDENEXT:
+		case INCLUDENEXTDOT:
 			break;
 		case ELIF:
 		case ELIFFALSE:
@@ -88,14 +101,12 @@ gobble(filep, file, file_red)
 /*
  * Decide what type of # directive this line is.
  */
-int deftype (line, filep, file_red, file, parse_it)
-	register char	*line;
-	register struct filepointer *filep;
-	register struct inclist *file_red, *file;
-	int	parse_it;
+static int 
+deftype (char *line, struct filepointer *filep, 
+	     struct inclist *file_red, struct inclist *file, int parse_it)
 {
 	register char	*p;
-	char	*directive, savechar;
+	char	*directive, savechar, *q;
 	register int	ret;
 
 	/*
@@ -106,7 +117,7 @@ int deftype (line, filep, file_red, file, parse_it)
 		directive++;
 
 	p = directive;
-	while (*p >= 'a' && *p <= 'z')
+	while ((*p == '_') || (*p >= 'a' && *p <= 'z'))
 		p++;
 	savechar = *p;
 	*p = '\0';
@@ -152,6 +163,11 @@ int deftype (line, filep, file_red, file, parse_it)
 	 */
 	while (*p == ' ' || *p == '\t')
 		p++;
+	q = p + strlen(p);
+	do {
+		q--;
+	} while (*q == ' ' || *q == '\t');
+	q[1] = '\0';
 	switch (ret) {
 	case IF:
 		/*
@@ -174,13 +190,22 @@ int deftype (line, filep, file_red, file, parse_it)
 		*line = '\0';
 		break;
 	case INCLUDE:
-		debug(2,("%s, line %d: #include %s\n",
-			file->i_file, filep->f_line, p));
+	case INCLUDENEXT:
+		debug(2,("%s, line %d: #include%s %s\n",
+			file->i_file, filep->f_line,
+			(ret == INCLUDE) ? "" : "_next", p));
 
 		/* Support ANSI macro substitution */
-		{
-		    struct symtab **sym = isdefined(p, file_red, NULL);
-		    while (sym) {
+		while (1) {
+			struct symtab **sym;
+
+			if (!*p || *p == '"' || *p == '<')
+				break;
+
+		    	sym = isdefined(p, file_red, NULL);
+			if (!sym)
+				break;
+
 			p = (*sym)->s_value;
 			debug(3,("%s : #includes SYMBOL %s = %s\n",
 			       file->i_incstring,
@@ -188,8 +213,6 @@ int deftype (line, filep, file_red, file, parse_it)
 			       (*sym) -> s_value));
 			/* mark file as having included a 'soft include' */
 			file->i_flags |= INCLUDED_SYM; 
-			sym = isdefined(p, file_red, NULL);
-		    }
 		}
 
 		/*
@@ -200,7 +223,10 @@ int deftype (line, filep, file_red, file, parse_it)
 		if (! *p)
 			return(-2);
 		if (*p++ == '"') {
-			ret = INCLUDEDOT;
+			if (ret == INCLUDE)
+				ret = INCLUDEDOT;
+			else
+				ret = INCLUDENEXTDOT;
 			while (*p && *p != '"')
 				*line++ = *p++;
 		} else
@@ -222,6 +248,7 @@ int deftype (line, filep, file_red, file, parse_it)
 	case IDENT:
 	case SCCS:
 	case EJECT:
+	case WARNING:
 		debug(0,("%s, line %d: #%s\n",
 			file->i_file, filep->f_line, directives[ret]));
 		/*
@@ -232,34 +259,30 @@ int deftype (line, filep, file_red, file, parse_it)
 	return(ret);
 }
 
-struct symtab **fdefined(symbol, file, srcfile)
-	register char	*symbol;
-	struct inclist	*file;
-	struct inclist	**srcfile;
+struct symtab **
+fdefined(char *symbol, struct inclist *file, struct inclist **srcfile)
 {
-	register struct inclist	**ip;
-	register struct symtab	**val;
-	register int	i;
+	struct inclist	**ip;
+	struct symtab	**val;
+	int	i;
 	static int	recurse_lvl = 0;
 
 	if (file->i_flags & DEFCHECKED)
 		return(NULL);
+	debug(2,("Looking for %s in %s\n", symbol, file->i_file));
 	file->i_flags |= DEFCHECKED;
 	if ((val = slookup(symbol, file)))
 		debug(1,("%s defined in %s as %s\n",
 			 symbol, file->i_file, (*val)->s_value));
 	if (val == NULL && file->i_list)
-		{
+	{
 		for (ip = file->i_list, i=0; i < file->i_listlen; i++, ip++)
 			if (file->i_merged[i]==FALSE) {
 				val = fdefined(symbol, *ip, srcfile);
-				if ((*ip)->i_flags & FINISHED) {
-					merge2defines(file,*ip);
-					file->i_merged[i]=TRUE;
-				    }
+				file->i_merged[i]=merge2defines(file,*ip);
 				if (val!=NULL) break;
 			}
-		}
+	}
 	else if (val != NULL && srcfile != NULL) *srcfile = file;
 	recurse_lvl--;
 	file->i_flags &= ~DEFCHECKED;
@@ -267,12 +290,10 @@ struct symtab **fdefined(symbol, file, srcfile)
 	return(val);
 }
 
-struct symtab **isdefined(symbol, file, srcfile)
-	register char	*symbol;
-	struct inclist	*file;
-	struct inclist	**srcfile;
+struct symtab **
+isdefined(char *symbol, struct inclist *file, struct inclist **srcfile)
 {
-	register struct symtab	**val;
+	struct symtab	**val;
 
 	if ((val = slookup(symbol, &maininclist))) {
 		debug(1,("%s defined on command line\n", symbol));
@@ -288,12 +309,11 @@ struct symtab **isdefined(symbol, file, srcfile)
 /*
  * Return type based on if the #if expression evaluates to 0
  */
-int
-zero_value(filename, exp, filep, file_red)
-	register char   *filename;
-	register char	*exp;
-	register struct filepointer *filep;
-	register struct inclist *file_red;
+static int
+zero_value(char *filename,
+	   char *exp,
+	   struct filepointer *filep,
+	   struct inclist *file_red)
 {
 	if (cppsetup(filename, exp, filep, file_red))
 	    return(IFFALSE);
@@ -302,9 +322,7 @@ zero_value(filename, exp, filep, file_red)
 }
 
 void
-define2(name, val, file)
-	char	*name, *val;
-	struct inclist	*file;
+define2(char *name, char *val, struct inclist *file)
 {
     int first, last, below;
     register struct symtab **sp = NULL, **dest;
@@ -364,6 +382,8 @@ define2(name, val, file)
        just replace its s_value */
     if (sp != NULL)
     {
+	debug(1,("redefining %s from %s to %s in file %s\n",
+		name, (*sp)->s_value, val, file->i_file));
 	free((*sp)->s_value);
 	(*sp)->s_value = copy(val);
 	return;
@@ -380,15 +400,14 @@ define2(name, val, file)
     if (stab == NULL)
 	fatalerr("malloc()/realloc() failure in insert_defn()\n");
 
+    debug(1,("defining %s to %s in file %s\n", name, val, file->i_file));
     stab->s_name = copy(name);
     stab->s_value = copy(val);
     *sp = stab;
 }
 
 void
-define(def, file)
-	char	*def;
-	struct inclist	*file;
+define(char *def, struct inclist *file)
 {
     char *val;
 
@@ -406,9 +425,8 @@ define(def, file)
     define2(def, val, file);
 }
 
-struct symtab **slookup(symbol, file)
-	register char	*symbol;
-	register struct inclist	*file;
+struct symtab **
+slookup(char *symbol, struct inclist *file)
 {
 	register int first = 0;
 	register int last = file->i_ndefs - 1;
@@ -446,12 +464,20 @@ struct symtab **slookup(symbol, file)
 	return(NULL);
 }
 
-int merge2defines(file1, file2)
-	struct inclist	*file1;
-	struct inclist	*file2;
+static int 
+merge2defines(struct inclist *file1, struct inclist *file2)
 {
-	if ((file1!=NULL) && (file2!=NULL)) 
-        {
+	int i;
+
+	if ((file1==NULL) || (file2==NULL) ||
+	    !(file2->i_flags & FINISHED))
+		return 0;
+
+	for (i=0; i < file2->i_listlen; i++)
+		if (file2->i_merged[i]==FALSE)
+			return 0;
+
+	{
 		int first1 = 0;
 		int last1 = file1->i_ndefs - 1;
 
@@ -462,6 +488,9 @@ int merge2defines(file1, file2)
                 struct symtab** i_defs = NULL;
 		int deflen=file1->i_ndefs+file2->i_ndefs;
 
+		debug(2,("merging %s into %s\n",
+			file2->i_file, file1->i_file));
+
                 if (deflen>0)
                 { 
                 	/* make sure deflen % SYMTABINC == 0 is still true */
@@ -501,13 +530,10 @@ int merge2defines(file1, file2)
                 
 		return 1;
   	}
-	return 0;
 }
 
 void
-undefine(symbol, file)
-	char	*symbol;
-	register struct inclist	*file;
+undefine(char *symbol, struct inclist *file)
 {
 	register struct symtab **ptr;
 	struct inclist *srcfile;
@@ -520,17 +546,16 @@ undefine(symbol, file)
 }
 
 int
-find_includes(filep, file, file_red, recursion, failOK)
-	struct filepointer	*filep;
-	struct inclist		*file, *file_red;
-	int			recursion;
-	boolean			failOK;
+find_includes(struct filepointer *filep, struct inclist *file, 
+	      struct inclist *file_red, int recursion, boolean failOK)
 {
+	struct inclist	*inclistp;
+	char		**includedirsp;
 	register char	*line;
 	register int	type;
 	boolean recfailOK;
 
-	while ((line = getline(filep))) {
+	while ((line = getnextline(filep))) {
 		switch(type = deftype(line, filep, file_red, file, TRUE)) {
 		case IF:
 		doif:
@@ -614,12 +639,19 @@ find_includes(filep, file, file_red, recursion, failOK)
 			undefine(line, file_red);
 			break;
 		case INCLUDE:
-			add_include(filep, file, file_red, line, FALSE, failOK);
-			break;
 		case INCLUDEDOT:
-			add_include(filep, file, file_red, line, TRUE, failOK);
+		case INCLUDENEXT:
+		case INCLUDENEXTDOT:
+			inclistp = inclistnext;
+			includedirsp = includedirsnext;
+			debug(2,("%s, reading %s, includes %s\n",
+				file_red->i_file, file->i_file, line));
+			add_include(filep, file, file_red, line, type, failOK);
+			inclistnext = inclistp;
+			includedirsnext = includedirsp;
 			break;
 		case ERROR:
+		case WARNING:
 		    	warning("%s", file_red->i_file);
 			if (file_red != file)
 				warning1(" (reading %s)", file->i_file);
@@ -649,5 +681,6 @@ find_includes(filep, file, file_red, recursion, failOK)
 		}
 	}
 	file->i_flags |= FINISHED;
+	debug(2,("finished with %s\n", file->i_file));
 	return(-1);
 }
diff --git a/pr.c b/pr.c
index 8e6a32c..e864793 100644
--- a/pr.c
+++ b/pr.c
@@ -24,6 +24,7 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
 
 */
+/* $XFree86: xc/config/makedepend/pr.c,v 1.5 2001/12/14 19:53:21 dawes Exp $ */
 
 #include "def.h"
 
@@ -37,11 +38,9 @@ extern boolean	verbose;
 extern boolean	show_where_not;
 
 void
-add_include(filep, file, file_red, include, dot, failOK)
-	struct filepointer	*filep;
-	struct inclist	*file, *file_red;
-	char	*include;
-	boolean	dot;
+add_include(struct filepointer *filep, struct inclist *file, 
+	    struct inclist *file_red, char *include, int type,
+	    boolean failOK)
 {
 	register struct inclist	*newfile;
 	register struct filepointer	*content;
@@ -49,7 +48,7 @@ add_include(filep, file, file_red, include, dot, failOK)
 	/*
 	 * First decide what the pathname of this include file really is.
 	 */
-	newfile = inc_path(file->i_file, include, dot);
+	newfile = inc_path(file->i_file, include, type);
 	if (newfile == NULL) {
 		if (failOK)
 		    return;
@@ -60,7 +59,7 @@ add_include(filep, file, file_red, include, dot, failOK)
 			warning("%s, line %d: ", file->i_file, filep->f_line);
 		warning1("cannot find include file \"%s\"\n", include);
 		show_where_not = TRUE;
-		newfile = inc_path(file->i_file, include, dot);
+		newfile = inc_path(file->i_file, include, type);
 		show_where_not = FALSE;
 	}
 
@@ -75,10 +74,8 @@ add_include(filep, file, file_red, include, dot, failOK)
 	}
 }
 
-void
-pr(ip, file, base)
-	register struct inclist  *ip;
-	char	*file, *base;
+static void
+pr(struct inclist *ip, char *file, char *base)
 {
 	static char	*lastfile;
 	static int	current_len;
@@ -113,11 +110,9 @@ pr(ip, file, base)
 }
 
 void
-recursive_pr_include(head, file, base)
-	register struct inclist	*head;
-	register char	*file, *base;
+recursive_pr_include(struct inclist *head, char *file, char *base)
 {
-	register int	i;
+	int	i;
 
 	if (head->i_flags & MARKED)
 		return;
-- 
cgit v1.2.1