rm bin/sh usr.bin/make: utilities provided by other packages

1 files changed, 0 insertions, 1641 deletions

diff --git a/usr.bin/make/meta.c b/usr.bin/make/meta.c
deleted file mode 100644
index 4a3f41d..0000000
--- a/usr.bin/make/meta.c
+++ /dev/null
@@ -1,1641 +0,0 @@
-/*      $NetBSD: meta.c,v 1.70 2018/02/13 19:37:30 sjg Exp $ */
-
-/*
- * Implement 'meta' mode.
- * Adapted from John Birrell's patches to FreeBSD make.
- * --sjg
- */
-/*
- * Copyright (c) 2009-2016, Juniper Networks, Inc.
- * Portions Copyright (c) 2009, John Birrell.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.  
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-#if defined(USE_META)
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <libgen.h>
-#include <errno.h>
-#if !defined(HAVE_CONFIG_H) || defined(HAVE_ERR_H)
-#include <err.h>
-#endif
-
-#include "make.h"
-#include "job.h"
-
-#ifdef HAVE_FILEMON_H
-# include <filemon.h>
-#endif
-#if !defined(USE_FILEMON) && defined(FILEMON_SET_FD)
-# define USE_FILEMON
-#endif
-
-static BuildMon Mybm;			/* for compat */
-static Lst metaBailiwick;		/* our scope of control */
-static char *metaBailiwickStr;		/* string storage for the list */
-static Lst metaIgnorePaths;		/* paths we deliberately ignore */
-static char *metaIgnorePathsStr;	/* string storage for the list */
-
-#ifndef MAKE_META_IGNORE_PATHS
-#define MAKE_META_IGNORE_PATHS ".MAKE.META.IGNORE_PATHS"
-#endif
-#ifndef MAKE_META_IGNORE_PATTERNS
-#define MAKE_META_IGNORE_PATTERNS ".MAKE.META.IGNORE_PATTERNS"
-#endif
-#ifndef MAKE_META_IGNORE_FILTER
-#define MAKE_META_IGNORE_FILTER ".MAKE.META.IGNORE_FILTER"
-#endif
-
-Boolean useMeta = FALSE;
-static Boolean useFilemon = FALSE;
-static Boolean writeMeta = FALSE;
-static Boolean metaMissing = FALSE;	/* oodate if missing */
-static Boolean filemonMissing = FALSE;	/* oodate if missing */
-static Boolean metaEnv = FALSE;		/* don't save env unless asked */
-static Boolean metaVerbose = FALSE;
-static Boolean metaIgnoreCMDs = FALSE;	/* ignore CMDs in .meta files */
-static Boolean metaIgnorePatterns = FALSE; /* do we need to do pattern matches */
-static Boolean metaIgnoreFilter = FALSE;   /* do we have more complex filtering? */
-static Boolean metaCurdirOk = FALSE;	/* write .meta in .CURDIR Ok? */
-static Boolean metaSilent = FALSE;	/* if we have a .meta be SILENT */
-
-extern Boolean forceJobs;
-extern Boolean comatMake;
-extern char    **environ;
-
-#define	MAKE_META_PREFIX	".MAKE.META.PREFIX"
-
-#ifndef N2U
-# define N2U(n, u)   (((n) + ((u) - 1)) / (u))
-#endif
-#ifndef ROUNDUP
-# define ROUNDUP(n, u)   (N2U((n), (u)) * (u))
-#endif
-
-#if !defined(HAVE_STRSEP)
-# define strsep(s, d) stresep((s), (d), 0)
-#endif
-
-/*
- * Filemon is a kernel module which snoops certain syscalls.
- *
- * C chdir
- * E exec
- * F [v]fork
- * L [sym]link
- * M rename
- * R read
- * W write
- * S stat
- *
- * See meta_oodate below - we mainly care about 'E' and 'R'.
- *
- * We can still use meta mode without filemon, but 
- * the benefits are more limited.
- */
-#ifdef USE_FILEMON
-# ifndef _PATH_FILEMON
-#   define _PATH_FILEMON "/dev/filemon"
-# endif
-
-/*
- * Open the filemon device.
- */
-static void
-filemon_open(BuildMon *pbm)
-{
-    int retry;
-    
-    pbm->mon_fd = pbm->filemon_fd = -1;
-    if (!useFilemon)
-	return;
-
-    for (retry = 5; retry >= 0; retry--) {
-	if ((pbm->filemon_fd = open(_PATH_FILEMON, O_RDWR)) >= 0)
-	    break;
-    }
-
-    if (pbm->filemon_fd < 0) {
-	useFilemon = FALSE;
-	warn("Could not open %s", _PATH_FILEMON);
-	return;
-    }
-
-    /*
-     * We use a file outside of '.'
-     * to avoid a FreeBSD kernel bug where unlink invalidates
-     * cwd causing getcwd to do a lot more work.
-     * We only care about the descriptor.
-     */
-    pbm->mon_fd = mkTempFile("filemon.XXXXXX", NULL);
-    if (ioctl(pbm->filemon_fd, FILEMON_SET_FD, &pbm->mon_fd) < 0) {
-	err(1, "Could not set filemon file descriptor!");
-    }
-    /* we don't need these once we exec */
-    (void)fcntl(pbm->mon_fd, F_SETFD, FD_CLOEXEC);
-    (void)fcntl(pbm->filemon_fd, F_SETFD, FD_CLOEXEC);
-}
-
-/*
- * Read the build monitor output file and write records to the target's
- * metadata file.
- */
-static int
-filemon_read(FILE *mfp, int fd)
-{
-    char buf[BUFSIZ];
-    int n;
-    int error;
-
-    /* Check if we're not writing to a meta data file.*/
-    if (mfp == NULL) {
-	if (fd >= 0)
-	    close(fd);			/* not interested */
-	return 0;
-    }
-    /* rewind */
-    (void)lseek(fd, (off_t)0, SEEK_SET);
-
-    error = 0;
-    fprintf(mfp, "\n-- filemon acquired metadata --\n");
-
-    while ((n = read(fd, buf, sizeof(buf))) > 0) {
-	if ((int)fwrite(buf, 1, n, mfp) < n)
-	    error = EIO;
-    }
-    fflush(mfp);
-    if (close(fd) < 0)
-	error = errno;
-    return error;
-}
-#endif
-
-/*
- * when realpath() fails,
- * we use this, to clean up ./ and ../
- */
-static void
-eat_dots(char *buf, size_t bufsz, int dots)
-{
-    char *cp;
-    char *cp2;
-    const char *eat;
-    size_t eatlen;
-
-    switch (dots) {
-    case 1:
-	eat = "/./";
-	eatlen = 2;
-	break;
-    case 2:
-	eat = "/../";
-	eatlen = 3;
-	break;
-    default:
-	return;
-    }
-    
-    do {
-	cp = strstr(buf, eat);
-	if (cp) {
-	    cp2 = cp + eatlen;
-	    if (dots == 2 && cp > buf) {
-		do {
-		    cp--;
-		} while (cp > buf && *cp != '/');
-	    }
-	    if (*cp == '/') {
-		strlcpy(cp, cp2, bufsz - (cp - buf));
-	    } else {
-		return;			/* can't happen? */
-	    }
-	}
-    } while (cp);
-}
-
-static char *
-meta_name(struct GNode *gn, char *mname, size_t mnamelen,
-	  const char *dname,
-	  const char *tname,
-	  const char *cwd)
-{
-    char buf[MAXPATHLEN];
-    char *rp;
-    char *cp;
-    char *tp;
-    char *dtp;
-    size_t ldname;
-
-    /*
-     * Weed out relative paths from the target file name.
-     * We have to be careful though since if target is a
-     * symlink, the result will be unstable.
-     * So we use realpath() just to get the dirname, and leave the
-     * basename as given to us.
-     */
-    if ((cp = strrchr(tname, '/'))) {
-	if (cached_realpath(tname, buf)) {
-	    if ((rp = strrchr(buf, '/'))) {
-		rp++;
-		cp++;
-		if (strcmp(cp, rp) != 0)
-		    strlcpy(rp, cp, sizeof(buf) - (rp - buf));
-	    }
-	    tname = buf;
-	} else {
-	    /*
-	     * We likely have a directory which is about to be made.
-	     * We pretend realpath() succeeded, to have a chance
-	     * of generating the same meta file name that we will
-	     * next time through.
-	     */
-	    if (tname[0] == '/') {
-		strlcpy(buf, tname, sizeof(buf));
-	    } else {
-		snprintf(buf, sizeof(buf), "%s/%s", cwd, tname);
-	    }
-	    eat_dots(buf, sizeof(buf), 1);	/* ./ */
-	    eat_dots(buf, sizeof(buf), 2);	/* ../ */
-	    tname = buf;
-	}
-    }
-    /* on some systems dirname may modify its arg */
-    tp = bmake_strdup(tname);
-    dtp = dirname(tp);
-    if (strcmp(dname, dtp) == 0)
-	snprintf(mname, mnamelen, "%s.meta", tname);
-    else {
-	ldname = strlen(dname);
-	if (strncmp(dname, dtp, ldname) == 0 && dtp[ldname] == '/')
-	    snprintf(mname, mnamelen, "%s/%s.meta", dname, &tname[ldname+1]);
-	else
-	    snprintf(mname, mnamelen, "%s/%s.meta", dname, tname);
-
-	/*
-	 * Replace path separators in the file name after the
-	 * current object directory path.
-	 */
-	cp = mname + strlen(dname) + 1;
-
-	while (*cp != '\0') {
-	    if (*cp == '/')
-		*cp = '_';
-	    cp++;
-	}
-    }
-    free(tp);
-    return (mname);
-}
-
-/*
- * Return true if running ${.MAKE}
- * Bypassed if target is flagged .MAKE
- */
-static int
-is_submake(void *cmdp, void *gnp)
-{
-    static char *p_make = NULL;
-    static int p_len;
-    char  *cmd = cmdp;
-    GNode *gn = gnp;
-    char *mp = NULL;
-    char *cp;
-    char *cp2;
-    int rc = 0;				/* keep looking */
-
-    if (!p_make) {
-	p_make = Var_Value(".MAKE", gn, &cp);
-	p_len = strlen(p_make);
-    }
-    cp = strchr(cmd, '$');
-    if ((cp)) {
-	mp = Var_Subst(NULL, cmd, gn, VARF_WANTRES);
-	cmd = mp;
-    }
-    cp2 = strstr(cmd, p_make);
-    if ((cp2)) {
-	switch (cp2[p_len]) {
-	case '\0':
-	case ' ':
-	case '\t':
-	case '\n':
-	    rc = 1;
-	    break;
-	}
-	if (cp2 > cmd && rc > 0) {
-	    switch (cp2[-1]) {
-	    case ' ':
-	    case '\t':
-	    case '\n':
-		break;
-	    default:
-		rc = 0;			/* no match */
-		break;
-	    }
-	}
-    }
-    free(mp);
-    return (rc);
-}
-
-typedef struct meta_file_s {
-    FILE *fp;
-    GNode *gn;
-} meta_file_t;
-
-static int
-printCMD(void *cmdp, void *mfpp)
-{
-    meta_file_t *mfp = mfpp;
-    char *cmd = cmdp;
-    char *cp = NULL;
-
-    if (strchr(cmd, '$')) {
-	cmd = cp = Var_Subst(NULL, cmd, mfp->gn, VARF_WANTRES);
-    }
-    fprintf(mfp->fp, "CMD %s\n", cmd);
-    free(cp);
-    return 0;
-}
-
-/*
- * Certain node types never get a .meta file
- */
-#define SKIP_META_TYPE(_type) do { \
-    if ((gn->type & __CONCAT(OP_, _type))) {	\
-	if (verbose) { \
-	    fprintf(debug_file, "Skipping meta for %s: .%s\n", \
-		    gn->name, __STRING(_type));		       \
-	} \
-	return FALSE; \
-    } \
-} while (0)
-
-
-/*
- * Do we need/want a .meta file ?
- */
-static Boolean
-meta_needed(GNode *gn, const char *dname, const char *tname,
-	     char *objdir, int verbose)
-{
-    struct stat fs;
-
-    if (verbose)
-	verbose = DEBUG(META);
-    
-    /* This may be a phony node which we don't want meta data for... */
-    /* Skip .meta for .BEGIN, .END, .ERROR etc as well. */
-    /* Or it may be explicitly flagged as .NOMETA */
-    SKIP_META_TYPE(NOMETA);
-    /* Unless it is explicitly flagged as .META */
-    if (!(gn->type & OP_META)) {
-	SKIP_META_TYPE(PHONY);
-	SKIP_META_TYPE(SPECIAL);
-	SKIP_META_TYPE(MAKE);
-    }
-
-    /* Check if there are no commands to execute. */
-    if (Lst_IsEmpty(gn->commands)) {
-	if (verbose)
-	    fprintf(debug_file, "Skipping meta for %s: no commands\n",
-		    gn->name);
-	return FALSE;
-    }
-    if ((gn->type & (OP_META|OP_SUBMAKE)) == OP_SUBMAKE) {
-	/* OP_SUBMAKE is a bit too aggressive */
-	if (Lst_ForEach(gn->commands, is_submake, gn)) {
-	    if (DEBUG(META))
-		fprintf(debug_file, "Skipping meta for %s: .SUBMAKE\n",
-			gn->name);
-	    return FALSE;
-	}
-    }
-
-    /* The object directory may not exist. Check it.. */
-    if (cached_stat(dname, &fs) != 0) {
-	if (verbose)
-	    fprintf(debug_file, "Skipping meta for %s: no .OBJDIR\n",
-		    gn->name);
-	return FALSE;
-    }
-
-    /* make sure these are canonical */
-    if (cached_realpath(dname, objdir))
-	dname = objdir;
-
-    /* If we aren't in the object directory, don't create a meta file. */
-    if (!metaCurdirOk && strcmp(curdir, dname) == 0) {
-	if (verbose)
-	    fprintf(debug_file, "Skipping meta for %s: .OBJDIR == .CURDIR\n",
-		    gn->name);
-	return FALSE;
-    }
-    return TRUE;
-}
-
-    
-static FILE *
-meta_create(BuildMon *pbm, GNode *gn)
-{
-    meta_file_t mf;
-    char buf[MAXPATHLEN];
-    char objdir[MAXPATHLEN];
-    char **ptr;
-    const char *dname;
-    const char *tname;
-    char *fname;
-    const char *cp;
-    char *p[4];				/* >= possible uses */
-    int i;
-
-    mf.fp = NULL;
-    i = 0;
-
-    dname = Var_Value(".OBJDIR", gn, &p[i++]);
-    tname = Var_Value(TARGET, gn, &p[i++]);
-
-    /* if this succeeds objdir is realpath of dname */
-    if (!meta_needed(gn, dname, tname, objdir, TRUE))
-	goto out;
-    dname = objdir;
-
-    if (metaVerbose) {
-	char *mp;
-
-	/* Describe the target we are building */
-	mp = Var_Subst(NULL, "${" MAKE_META_PREFIX "}", gn, VARF_WANTRES);
-	if (*mp)
-	    fprintf(stdout, "%s\n", mp);
-	free(mp);
-    }
-    /* Get the basename of the target */
-    if ((cp = strrchr(tname, '/')) == NULL) {
-	cp = tname;
-    } else {
-	cp++;
-    }
-
-    fflush(stdout);
-
-    if (!writeMeta)
-	/* Don't create meta data. */
-	goto out;
-
-    fname = meta_name(gn, pbm->meta_fname, sizeof(pbm->meta_fname),
-		      dname, tname, objdir);
-
-#ifdef DEBUG_META_MODE
-    if (DEBUG(META))
-	fprintf(debug_file, "meta_create: %s\n", fname);
-#endif
-
-    if ((mf.fp = fopen(fname, "w")) == NULL)
-	err(1, "Could not open meta file '%s'", fname);
-
-    fprintf(mf.fp, "# Meta data file %s\n", fname);
-
-    mf.gn = gn;
-
-    Lst_ForEach(gn->commands, printCMD, &mf);
-
-    fprintf(mf.fp, "CWD %s\n", getcwd(buf, sizeof(buf)));
-    fprintf(mf.fp, "TARGET %s\n", tname);
-
-    if (metaEnv) {
-	for (ptr = environ; *ptr != NULL; ptr++)
-	    fprintf(mf.fp, "ENV %s\n", *ptr);
-    }
-
-    fprintf(mf.fp, "-- command output --\n");
-    fflush(mf.fp);
-
-    Var_Append(".MAKE.META.FILES", fname, VAR_GLOBAL);
-    Var_Append(".MAKE.META.CREATED", fname, VAR_GLOBAL);
-
-    gn->type |= OP_META;		/* in case anyone wants to know */
-    if (metaSilent) {
-	    gn->type |= OP_SILENT;
-    }
- out:
-    for (i--; i >= 0; i--) {
-	free(p[i]);
-    }
-
-    return (mf.fp);
-}
-
-static Boolean
-boolValue(char *s)
-{
-    switch(*s) {
-    case '0':
-    case 'N':
-    case 'n':
-    case 'F':
-    case 'f':
-	return FALSE;
-    }
-    return TRUE;
-}
-
-/*
- * Initialization we need before reading makefiles.
- */
-void
-meta_init(void)
-{
-#ifdef USE_FILEMON
-	/* this allows makefiles to test if we have filemon support */
-	Var_Set(".MAKE.PATH_FILEMON", _PATH_FILEMON, VAR_GLOBAL, 0);
-#endif
-}
-
-
-#define get_mode_bf(bf, token) \
-    if ((cp = strstr(make_mode, token))) \
-	bf = boolValue(&cp[sizeof(token) - 1])
-
-/*
- * Initialization we need after reading makefiles.
- */
-void
-meta_mode_init(const char *make_mode)
-{
-    static int once = 0;
-    char *cp;
-
-    useMeta = TRUE;
-    useFilemon = TRUE;
-    writeMeta = TRUE;
-
-    if (make_mode) {
-	if (strstr(make_mode, "env"))
-	    metaEnv = TRUE;
-	if (strstr(make_mode, "verb"))
-	    metaVerbose = TRUE;
-	if (strstr(make_mode, "read"))
-	    writeMeta = FALSE;
-	if (strstr(make_mode, "nofilemon"))
-	    useFilemon = FALSE;
-	if (strstr(make_mode, "ignore-cmd"))
-	    metaIgnoreCMDs = TRUE;
-	if (useFilemon)
-	    get_mode_bf(filemonMissing, "missing-filemon=");
-	get_mode_bf(metaCurdirOk, "curdirok=");
-	get_mode_bf(metaMissing, "missing-meta=");
-	get_mode_bf(metaSilent, "silent=");
-    }
-    if (metaVerbose && !Var_Exists(MAKE_META_PREFIX, VAR_GLOBAL)) {
-	/*
-	 * The default value for MAKE_META_PREFIX
-	 * prints the absolute path of the target.
-	 * This works be cause :H will generate '.' if there is no /
-	 * and :tA will resolve that to cwd.
-	 */
-	Var_Set(MAKE_META_PREFIX, "Building ${.TARGET:H:tA}/${.TARGET:T}", VAR_GLOBAL, 0);
-    }
-    if (once)
-	return;
-    once = 1;
-    memset(&Mybm, 0, sizeof(Mybm));
-    /*
-     * We consider ourselves master of all within ${.MAKE.META.BAILIWICK}
-     */
-    metaBailiwick = Lst_Init(FALSE);
-    metaBailiwickStr = Var_Subst(NULL, "${.MAKE.META.BAILIWICK:O:u:tA}",
-	VAR_GLOBAL, VARF_WANTRES);
-    if (metaBailiwickStr) {
-	str2Lst_Append(metaBailiwick, metaBailiwickStr, NULL);
-    }
-    /*
-     * We ignore any paths that start with ${.MAKE.META.IGNORE_PATHS}
-     */
-    metaIgnorePaths = Lst_Init(FALSE);
-    Var_Append(MAKE_META_IGNORE_PATHS,
-	       "/dev /etc /proc /tmp /var/run /var/tmp ${TMPDIR}", VAR_GLOBAL);
-    metaIgnorePathsStr = Var_Subst(NULL,
-		   "${" MAKE_META_IGNORE_PATHS ":O:u:tA}", VAR_GLOBAL,
-		   VARF_WANTRES);
-    if (metaIgnorePathsStr) {
-	str2Lst_Append(metaIgnorePaths, metaIgnorePathsStr, NULL);
-    }
-
-    /*
-     * We ignore any paths that match ${.MAKE.META.IGNORE_PATTERNS}
-     */
-    cp = NULL;
-    if (Var_Value(MAKE_META_IGNORE_PATTERNS, VAR_GLOBAL, &cp)) {
-	metaIgnorePatterns = TRUE;
-	free(cp);
-    }
-    cp = NULL;
-    if (Var_Value(MAKE_META_IGNORE_FILTER, VAR_GLOBAL, &cp)) {
-	metaIgnoreFilter = TRUE;
-	free(cp);
-    }
-}
-
-/*
- * In each case below we allow for job==NULL
- */
-void
-meta_job_start(Job *job, GNode *gn)
-{
-    BuildMon *pbm;
-
-    if (job != NULL) {
-	pbm = &job->bm;
-    } else {
-	pbm = &Mybm;
-    }
-    pbm->mfp = meta_create(pbm, gn);
-#ifdef USE_FILEMON_ONCE
-    /* compat mode we open the filemon dev once per command */
-    if (job == NULL)
-	return;
-#endif
-#ifdef USE_FILEMON
-    if (pbm->mfp != NULL && useFilemon) {
-	filemon_open(pbm);
-    } else {
-	pbm->mon_fd = pbm->filemon_fd = -1;
-    }
-#endif
-}
-
-/*
- * The child calls this before doing anything.
- * It does not disturb our state.
- */
-void
-meta_job_child(Job *job)
-{
-#ifdef USE_FILEMON
-    BuildMon *pbm;
-
-    if (job != NULL) {
-	pbm = &job->bm;
-    } else {
-	pbm = &Mybm;
-    }
-    if (pbm->mfp != NULL) {
-	close(fileno(pbm->mfp));
-	if (useFilemon) {
-	    pid_t pid;
-
-	    pid = getpid();
-	    if (ioctl(pbm->filemon_fd, FILEMON_SET_PID, &pid) < 0) {
-		err(1, "Could not set filemon pid!");
-	    }
-	}
-    }
-#endif
-}
-
-void
-meta_job_error(Job *job, GNode *gn, int flags, int status)
-{
-    char cwd[MAXPATHLEN];
-    BuildMon *pbm;
-
-    if (job != NULL) {
-	pbm = &job->bm;
-	if (!gn)
-	    gn = job->node;
-    } else {
-	pbm = &Mybm;
-    }
-    if (pbm->mfp != NULL) {
-	fprintf(pbm->mfp, "\n*** Error code %d%s\n",
-		status,
-		(flags & JOB_IGNERR) ?
-		"(ignored)" : "");
-    }
-    if (gn) {
-	Var_Set(".ERROR_TARGET", gn->path ? gn->path : gn->name, VAR_GLOBAL, 0);
-    }
-    getcwd(cwd, sizeof(cwd));
-    Var_Set(".ERROR_CWD", cwd, VAR_GLOBAL, 0);
-    if (pbm->meta_fname[0]) {
-	Var_Set(".ERROR_META_FILE", pbm->meta_fname, VAR_GLOBAL, 0);
-    }
-    meta_job_finish(job);
-}
-
-void
-meta_job_output(Job *job, char *cp, const char *nl)
-{
-    BuildMon *pbm;
-    
-    if (job != NULL) {
-	pbm = &job->bm;
-    } else {
-	pbm = &Mybm;
-    }
-    if (pbm->mfp != NULL) {
-	if (metaVerbose) {
-	    static char *meta_prefix = NULL;
-	    static int meta_prefix_len;
-
-	    if (!meta_prefix) {
-		char *cp2;
-
-		meta_prefix = Var_Subst(NULL, "${" MAKE_META_PREFIX "}",
-					VAR_GLOBAL, VARF_WANTRES);
-		if ((cp2 = strchr(meta_prefix, '$')))
-		    meta_prefix_len = cp2 - meta_prefix;
-		else
-		    meta_prefix_len = strlen(meta_prefix);
-	    }
-	    if (strncmp(cp, meta_prefix, meta_prefix_len) == 0) {
-		cp = strchr(cp+1, '\n');
-		if (!cp++)
-		    return;
-	    }
-	}
-	fprintf(pbm->mfp, "%s%s", cp, nl);
-    }
-}
-
-int
-meta_cmd_finish(void *pbmp)
-{
-    int error = 0;
-    BuildMon *pbm = pbmp;
-#ifdef USE_FILEMON
-    int x;
-#endif
-
-    if (!pbm)
-	pbm = &Mybm;
-
-#ifdef USE_FILEMON
-    if (pbm->filemon_fd >= 0) {
-	if (close(pbm->filemon_fd) < 0)
-	    error = errno;
-	x = filemon_read(pbm->mfp, pbm->mon_fd);
-	if (error == 0 && x != 0)
-	    error = x;
-	pbm->filemon_fd = pbm->mon_fd = -1;
-    } else
-#endif
-	fprintf(pbm->mfp, "\n");	/* ensure end with newline */
-    return error;
-}
-
-int
-meta_job_finish(Job *job)
-{
-    BuildMon *pbm;
-    int error = 0;
-    int x;
-
-    if (job != NULL) {
-	pbm = &job->bm;
-    } else {
-	pbm = &Mybm;
-    }
-    if (pbm->mfp != NULL) {
-	error = meta_cmd_finish(pbm);
-	x = fclose(pbm->mfp);
-	if (error == 0 && x != 0)
-	    error = errno;
-	pbm->mfp = NULL;
-	pbm->meta_fname[0] = '\0';
-    }
-    return error;
-}
-
-void
-meta_finish(void)
-{
-    Lst_Destroy(metaBailiwick, NULL);
-    free(metaBailiwickStr);
-    Lst_Destroy(metaIgnorePaths, NULL);
-    free(metaIgnorePathsStr);
-}
-
-/*
- * Fetch a full line from fp - growing bufp if needed
- * Return length in bufp.
- */
-static int 
-fgetLine(char **bufp, size_t *szp, int o, FILE *fp)
-{
-    char *buf = *bufp;
-    size_t bufsz = *szp;
-    struct stat fs;
-    int x;
-
-    if (fgets(&buf[o], bufsz - o, fp) != NULL) {
-    check_newline:
-	x = o + strlen(&buf[o]);
-	if (buf[x - 1] == '\n')
-	    return x;
-	/*
-	 * We need to grow the buffer.
-	 * The meta file can give us a clue.
-	 */
-	if (fstat(fileno(fp), &fs) == 0) {
-	    size_t newsz;
-	    char *p;
-
-	    newsz = ROUNDUP((fs.st_size / 2), BUFSIZ);
-	    if (newsz <= bufsz)
-		newsz = ROUNDUP(fs.st_size, BUFSIZ);
-	    if (newsz <= bufsz)
-		return x;		/* truncated */
-	    if (DEBUG(META)) 
-		fprintf(debug_file, "growing buffer %zu -> %zu\n",
-			bufsz, newsz);
-	    p = bmake_realloc(buf, newsz);
-	    if (p) {
-		*bufp = buf = p;
-		*szp = bufsz = newsz;
-		/* fetch the rest */
-		if (!fgets(&buf[x], bufsz - x, fp))
-		    return x;		/* truncated! */
-		goto check_newline;
-	    }
-	}
-    }
-    return 0;
-}
-
-/* Lst_ForEach wants 1 to stop search */
-static int
-prefix_match(void *p, void *q)
-{
-    const char *prefix = p;
-    const char *path = q;
-    size_t n = strlen(prefix);
-
-    return (0 == strncmp(path, prefix, n));
-}
-
-/*
- * looking for exact or prefix/ match to
- * Lst_Find wants 0 to stop search
- */
-static int
-path_match(const void *p, const void *q)
-{
-    const char *prefix = q;
-    const char *path = p;
-    size_t n = strlen(prefix);
-    int rc;
-
-    if ((rc = strncmp(path, prefix, n)) == 0) {
-	switch (path[n]) {
-	case '\0':
-	case '/':
-	    break;
-	default:
-	    rc = 1;
-	    break;
-	}
-    }
-    return rc;
-}
-
-/* Lst_Find wants 0 to stop search */
-static int
-string_match(const void *p, const void *q)
-{
-    const char *p1 = p;
-    const char *p2 = q;
-
-    return strcmp(p1, p2);
-}
-
-
-static int
-meta_ignore(GNode *gn, const char *p)
-{
-    char fname[MAXPATHLEN];
-
-    if (p == NULL)
-	return TRUE;
-
-    if (*p == '/') {
-	cached_realpath(p, fname); /* clean it up */
-	if (Lst_ForEach(metaIgnorePaths, prefix_match, fname)) {
-#ifdef DEBUG_META_MODE
-	    if (DEBUG(META))
-		fprintf(debug_file, "meta_oodate: ignoring path: %s\n",
-			p);
-#endif
-	    return TRUE;
-	}
-    }
-
-    if (metaIgnorePatterns) {
-	char *pm;
-
-	Var_Set(".p.", p, gn, 0);
-	pm = Var_Subst(NULL,
-		       "${" MAKE_META_IGNORE_PATTERNS ":@m@${.p.:M$m}@}",
-		       gn, VARF_WANTRES);
-	if (*pm) {
-#ifdef DEBUG_META_MODE
-	    if (DEBUG(META))
-		fprintf(debug_file, "meta_oodate: ignoring pattern: %s\n",
-			p);
-#endif
-	    free(pm);
-	    return TRUE;
-	}
-	free(pm);
-    }
-
-    if (metaIgnoreFilter) {
-	char *fm;
-
-	/* skip if filter result is empty */
-	snprintf(fname, sizeof(fname),
-		 "${%s:L:${%s:ts:}}",
-		 p, MAKE_META_IGNORE_FILTER);
-	fm = Var_Subst(NULL, fname, gn, VARF_WANTRES);
-	if (*fm == '\0') {
-#ifdef DEBUG_META_MODE
-	    if (DEBUG(META))
-		fprintf(debug_file, "meta_oodate: ignoring filtered: %s\n",
-			p);
-#endif
-	    free(fm);
-	    return TRUE;
-	}
-	free(fm);
-    }
-    return FALSE;
-}
-
-/*
- * When running with 'meta' functionality, a target can be out-of-date
- * if any of the references in its meta data file is more recent.
- * We have to track the latestdir on a per-process basis.
- */
-#define LCWD_VNAME_FMT ".meta.%d.lcwd"
-#define LDIR_VNAME_FMT ".meta.%d.ldir"
-
-/*
- * It is possible that a .meta file is corrupted,
- * if we detect this we want to reproduce it.
- * Setting oodate TRUE will have that effect.
- */
-#define CHECK_VALID_META(p) if (!(p && *p)) { \
-    warnx("%s: %d: malformed", fname, lineno); \
-    oodate = TRUE; \
-    continue; \
-    }
-
-#define DEQUOTE(p) if (*p == '\'') {	\
-    char *ep; \
-    p++; \
-    if ((ep = strchr(p, '\''))) \
-	*ep = '\0'; \
-    }
-
-Boolean
-meta_oodate(GNode *gn, Boolean oodate)
-{
-    static char *tmpdir = NULL;
-    static char cwd[MAXPATHLEN];
-    char lcwd_vname[64];
-    char ldir_vname[64];
-    char lcwd[MAXPATHLEN];
-    char latestdir[MAXPATHLEN];
-    char fname[MAXPATHLEN];
-    char fname1[MAXPATHLEN];
-    char fname2[MAXPATHLEN];
-    char fname3[MAXPATHLEN];
-    const char *dname;
-    const char *tname;
-    char *p;
-    char *cp;
-    char *link_src;
-    char *move_target;
-    static size_t cwdlen = 0;
-    static size_t tmplen = 0;
-    FILE *fp;
-    Boolean needOODATE = FALSE;
-    Lst missingFiles;
-    char *pa[4];			/* >= possible uses */
-    int i;
-    int have_filemon = FALSE;
-
-    if (oodate)
-	return oodate;		/* we're done */
-
-    i = 0;
-
-    dname = Var_Value(".OBJDIR", gn, &pa[i++]);
-    tname = Var_Value(TARGET, gn, &pa[i++]);
-
-    /* if this succeeds fname3 is realpath of dname */
-    if (!meta_needed(gn, dname, tname, fname3, FALSE))
-	goto oodate_out;
-    dname = fname3;
-
-    missingFiles = Lst_Init(FALSE);
-
-    /*
-     * We need to check if the target is out-of-date. This includes
-     * checking if the expanded command has changed. This in turn
-     * requires that all variables are set in the same way that they
-     * would be if the target needs to be re-built.
-     */
-    Make_DoAllVar(gn);
-
-    meta_name(gn, fname, sizeof(fname), dname, tname, dname);
-
-#ifdef DEBUG_META_MODE
-    if (DEBUG(META))
-	fprintf(debug_file, "meta_oodate: %s\n", fname);
-#endif
-
-    if ((fp = fopen(fname, "r")) != NULL) {
-	static char *buf = NULL;
-	static size_t bufsz;
-	int lineno = 0;
-	int lastpid = 0;
-	int pid;
-	int x;
-	LstNode ln;
-	struct stat fs;
-
-	if (!buf) {
-	    bufsz = 8 * BUFSIZ;
-	    buf = bmake_malloc(bufsz);
-	}
-
-	if (!cwdlen) {
-	    if (getcwd(cwd, sizeof(cwd)) == NULL)
-		err(1, "Could not get current working directory");
-	    cwdlen = strlen(cwd);
-	}
-	strlcpy(lcwd, cwd, sizeof(lcwd));
-	strlcpy(latestdir, cwd, sizeof(latestdir));
-
-	if (!tmpdir) {
-	    tmpdir = getTmpdir();
-	    tmplen = strlen(tmpdir);
-	}
-
-	/* we want to track all the .meta we read */
-	Var_Append(".MAKE.META.FILES", fname, VAR_GLOBAL);
-
-	ln = Lst_First(gn->commands);
-	while (!oodate && (x = fgetLine(&buf, &bufsz, 0, fp)) > 0) {
-	    lineno++;
-	    if (buf[x - 1] == '\n')
-		buf[x - 1] = '\0';
-	    else {
-		warnx("%s: %d: line truncated at %u", fname, lineno, x);
-		oodate = TRUE;
-		break;
-	    }
-	    link_src = NULL;
-	    move_target = NULL;
-	    /* Find the start of the build monitor section. */
-	    if (!have_filemon) {
-		if (strncmp(buf, "-- filemon", 10) == 0) {
-		    have_filemon = TRUE;
-		    continue;
-		}
-		if (strncmp(buf, "# buildmon", 10) == 0) {
-		    have_filemon = TRUE;
-		    continue;
-		}
-	    }		    
-
-	    /* Delimit the record type. */
-	    p = buf;
-#ifdef DEBUG_META_MODE
-	    if (DEBUG(META))
-		fprintf(debug_file, "%s: %d: %s\n", fname, lineno, buf);
-#endif
-	    strsep(&p, " ");
-	    if (have_filemon) {
-		/*
-		 * We are in the 'filemon' output section.
-		 * Each record from filemon follows the general form:
-		 *
-		 * <key> <pid> <data>
-		 *
-		 * Where:
-		 * <key> is a single letter, denoting the syscall.
-		 * <pid> is the process that made the syscall.
-		 * <data> is the arguments (of interest).
-		 */
-		switch(buf[0]) {
-		case '#':		/* comment */
-		case 'V':		/* version */
-		    break;
-		default:
-		    /*
-		     * We need to track pathnames per-process.
-		     *
-		     * Each process run by make, starts off in the 'CWD'
-		     * recorded in the .meta file, if it chdirs ('C')
-		     * elsewhere we need to track that - but only for
-		     * that process.  If it forks ('F'), we initialize
-		     * the child to have the same cwd as its parent.
-		     *
-		     * We also need to track the 'latestdir' of
-		     * interest.  This is usually the same as cwd, but
-		     * not if a process is reading directories.
-		     *
-		     * Each time we spot a different process ('pid')
-		     * we save the current value of 'latestdir' in a
-		     * variable qualified by 'lastpid', and
-		     * re-initialize 'latestdir' to any pre-saved
-		     * value for the current 'pid' and 'CWD' if none.
-		     */
-		    CHECK_VALID_META(p);
-		    pid = atoi(p);
-		    if (pid > 0 && pid != lastpid) {
-			char *ldir;
-			char *tp;
-		    
-			if (lastpid > 0) {
-			    /* We need to remember these. */
-			    Var_Set(lcwd_vname, lcwd, VAR_GLOBAL, 0);
-			    Var_Set(ldir_vname, latestdir, VAR_GLOBAL, 0);
-			}
-			snprintf(lcwd_vname, sizeof(lcwd_vname), LCWD_VNAME_FMT, pid);
-			snprintf(ldir_vname, sizeof(ldir_vname), LDIR_VNAME_FMT, pid);
-			lastpid = pid;
-			ldir = Var_Value(ldir_vname, VAR_GLOBAL, &tp);
-			if (ldir) {
-			    strlcpy(latestdir, ldir, sizeof(latestdir));
-			    free(tp);
-			}
-			ldir = Var_Value(lcwd_vname, VAR_GLOBAL, &tp);
-			if (ldir) {
-			    strlcpy(lcwd, ldir, sizeof(lcwd));
-			    free(tp);
-			}
-		    }
-		    /* Skip past the pid. */
-		    if (strsep(&p, " ") == NULL)
-			continue;
-#ifdef DEBUG_META_MODE
-		    if (DEBUG(META))
-			    fprintf(debug_file, "%s: %d: %d: %c: cwd=%s lcwd=%s ldir=%s\n",
-				    fname, lineno,
-				    pid, buf[0], cwd, lcwd, latestdir);
-#endif
-		    break;
-		}
-
-		CHECK_VALID_META(p);
-
-		/* Process according to record type. */
-		switch (buf[0]) {
-		case 'X':		/* eXit */
-		    Var_Delete(lcwd_vname, VAR_GLOBAL);
-		    Var_Delete(ldir_vname, VAR_GLOBAL);
-		    lastpid = 0;	/* no need to save ldir_vname */
-		    break;
-
-		case 'F':		/* [v]Fork */
-		    {
-			char cldir[64];
-			int child;
-
-			child = atoi(p);
-			if (child > 0) {
-			    snprintf(cldir, sizeof(cldir), LCWD_VNAME_FMT, child);
-			    Var_Set(cldir, lcwd, VAR_GLOBAL, 0);
-			    snprintf(cldir, sizeof(cldir), LDIR_VNAME_FMT, child);
-			    Var_Set(cldir, latestdir, VAR_GLOBAL, 0);
-#ifdef DEBUG_META_MODE
-			    if (DEBUG(META))
-				    fprintf(debug_file, "%s: %d: %d: cwd=%s lcwd=%s ldir=%s\n",
-					    fname, lineno,
-					    child, cwd, lcwd, latestdir);
-#endif
-			}
-		    }
-		    break;
-
-		case 'C':		/* Chdir */
-		    /* Update lcwd and latest directory. */
-		    strlcpy(latestdir, p, sizeof(latestdir));	
-		    strlcpy(lcwd, p, sizeof(lcwd));
-		    Var_Set(lcwd_vname, lcwd, VAR_GLOBAL, 0);
-		    Var_Set(ldir_vname, lcwd, VAR_GLOBAL, 0);
-#ifdef DEBUG_META_MODE
-		    if (DEBUG(META))
-			fprintf(debug_file, "%s: %d: cwd=%s ldir=%s\n", fname, lineno, cwd, lcwd);
-#endif
-		    break;
-
-		case 'M':		/* renaMe */
-		    /*
-		     * For 'M'oves we want to check
-		     * the src as for 'R'ead
-		     * and the target as for 'W'rite.
-		     */
-		    cp = p;		/* save this for a second */
-		    /* now get target */
-		    if (strsep(&p, " ") == NULL)
-			continue;
-		    CHECK_VALID_META(p);
-		    move_target = p;
-		    p = cp;
-		    /* 'L' and 'M' put single quotes around the args */
-		    DEQUOTE(p);
-		    DEQUOTE(move_target);
-		    /* FALLTHROUGH */
-		case 'D':		/* unlink */
-		    if (*p == '/' && !Lst_IsEmpty(missingFiles)) {
-			/* remove any missingFiles entries that match p */
-			if ((ln = Lst_Find(missingFiles, p,
-					   path_match)) != NULL) {
-			    LstNode nln;
-			    char *tp;
-
-			    do {
-				nln = Lst_FindFrom(missingFiles, Lst_Succ(ln),
-						   p, path_match);
-				tp = Lst_Datum(ln);
-				Lst_Remove(missingFiles, ln);
-				free(tp);
-			    } while ((ln = nln) != NULL);
-			}
-		    }
-		    if (buf[0] == 'M') {
-			/* the target of the mv is a file 'W'ritten */
-#ifdef DEBUG_META_MODE
-			if (DEBUG(META))
-			    fprintf(debug_file, "meta_oodate: M %s -> %s\n",
-				    p, move_target);
-#endif
-			p = move_target;
-			goto check_write;
-		    }
-		    break;
-		case 'L':		/* Link */
-		    /*
-		     * For 'L'inks check
-		     * the src as for 'R'ead
-		     * and the target as for 'W'rite.
-		     */
-		    link_src = p;
-		    /* now get target */
-		    if (strsep(&p, " ") == NULL)
-			continue;
-		    CHECK_VALID_META(p);
-		    /* 'L' and 'M' put single quotes around the args */
-		    DEQUOTE(p);
-		    DEQUOTE(link_src);
-#ifdef DEBUG_META_MODE
-		    if (DEBUG(META))
-			fprintf(debug_file, "meta_oodate: L %s -> %s\n",
-				link_src, p);
-#endif
-		    /* FALLTHROUGH */
-		case 'W':		/* Write */
-		check_write:
-		    /*
-		     * If a file we generated within our bailiwick
-		     * but outside of .OBJDIR is missing,
-		     * we need to do it again. 
-		     */
-		    /* ignore non-absolute paths */
-		    if (*p != '/')
-			break;
-
-		    if (Lst_IsEmpty(metaBailiwick))
-			break;
-
-		    /* ignore cwd - normal dependencies handle those */
-		    if (strncmp(p, cwd, cwdlen) == 0)
-			break;
-
-		    if (!Lst_ForEach(metaBailiwick, prefix_match, p))
-			break;
-
-		    /* tmpdir might be within */
-		    if (tmplen > 0 && strncmp(p, tmpdir, tmplen) == 0)
-			break;
-
-		    /* ignore anything containing the string "tmp" */
-		    if ((strstr("tmp", p)))
-			break;
-
-		    if ((link_src != NULL && cached_lstat(p, &fs) < 0) ||
-			(link_src == NULL && cached_stat(p, &fs) < 0)) {
-			if (!meta_ignore(gn, p)) {
-			    if (Lst_Find(missingFiles, p, string_match) == NULL)
-				Lst_AtEnd(missingFiles, bmake_strdup(p));
-			}
-		    }
-		    break;
-		check_link_src:
-		    p = link_src;
-		    link_src = NULL;
-#ifdef DEBUG_META_MODE
-		    if (DEBUG(META))
-			fprintf(debug_file, "meta_oodate: L src %s\n", p);
-#endif
-		    /* FALLTHROUGH */
-		case 'R':		/* Read */
-		case 'E':		/* Exec */
-		    /*
-		     * Check for runtime files that can't
-		     * be part of the dependencies because
-		     * they are _expected_ to change.
-		     */
-		    if (meta_ignore(gn, p))
-			break;
-		    
-		    /*
-		     * The rest of the record is the file name.
-		     * Check if it's not an absolute path.
-		     */
-		    {
-			char *sdirs[4];
-			char **sdp;
-			int sdx = 0;
-			int found = 0;
-
-			if (*p == '/') {
-			    sdirs[sdx++] = p; /* done */
-			} else {
-			    if (strcmp(".", p) == 0)
-				continue;  /* no point */
-
-			    /* Check vs latestdir */
-			    snprintf(fname1, sizeof(fname1), "%s/%s", latestdir, p);
-			    sdirs[sdx++] = fname1;
-
-			    if (strcmp(latestdir, lcwd) != 0) {
-				/* Check vs lcwd */
-				snprintf(fname2, sizeof(fname2), "%s/%s", lcwd, p);
-				sdirs[sdx++] = fname2;
-			    }
-			    if (strcmp(lcwd, cwd) != 0) {
-				/* Check vs cwd */
-				snprintf(fname3, sizeof(fname3), "%s/%s", cwd, p);
-				sdirs[sdx++] = fname3;
-			    }
-			}
-			sdirs[sdx++] = NULL;
-
-			for (sdp = sdirs; *sdp && !found; sdp++) {
-#ifdef DEBUG_META_MODE
-			    if (DEBUG(META))
-				fprintf(debug_file, "%s: %d: looking for: %s\n", fname, lineno, *sdp);
-#endif
-			    if (cached_stat(*sdp, &fs) == 0) {
-				found = 1;
-				p = *sdp;
-			    }
-			}
-			if (found) {
-#ifdef DEBUG_META_MODE
-			    if (DEBUG(META))
-				fprintf(debug_file, "%s: %d: found: %s\n", fname, lineno, p);
-#endif
-			    if (!S_ISDIR(fs.st_mode) &&
-				fs.st_mtime > gn->mtime) {
-				if (DEBUG(META))
-				    fprintf(debug_file, "%s: %d: file '%s' is newer than the target...\n", fname, lineno, p);
-				oodate = TRUE;
-			    } else if (S_ISDIR(fs.st_mode)) {
-				/* Update the latest directory. */
-				cached_realpath(p, latestdir);
-			    }
-			} else if (errno == ENOENT && *p == '/' &&
-				   strncmp(p, cwd, cwdlen) != 0) {
-			    /*
-			     * A referenced file outside of CWD is missing.
-			     * We cannot catch every eventuality here...
-			     */
-			    if (Lst_Find(missingFiles, p, string_match) == NULL)
-				    Lst_AtEnd(missingFiles, bmake_strdup(p));
-			}
-		    }
-		    if (buf[0] == 'E') {
-			/* previous latestdir is no longer relevant */
-			strlcpy(latestdir, lcwd, sizeof(latestdir));
-		    }
-		    break;
-		default:
-		    break;
-		}
-		if (!oodate && buf[0] == 'L' && link_src != NULL)
-		    goto check_link_src;
-	    } else if (strcmp(buf, "CMD") == 0) {
-		/*
-		 * Compare the current command with the one in the
-		 * meta data file.
-		 */
-		if (ln == NULL) {
-		    if (DEBUG(META))
-			fprintf(debug_file, "%s: %d: there were more build commands in the meta data file than there are now...\n", fname, lineno);
-		    oodate = TRUE;
-		} else {
-		    char *cmd = (char *)Lst_Datum(ln);
-		    Boolean hasOODATE = FALSE;
-
-		    if (strstr(cmd, "$?"))
-			hasOODATE = TRUE;
-		    else if ((cp = strstr(cmd, ".OODATE"))) {
-			/* check for $[{(].OODATE[:)}] */
-			if (cp > cmd + 2 && cp[-2] == '$')
-			    hasOODATE = TRUE;
-		    }
-		    if (hasOODATE) {
-			needOODATE = TRUE;
-			if (DEBUG(META))
-			    fprintf(debug_file, "%s: %d: cannot compare command using .OODATE\n", fname, lineno);
-		    }
-		    cmd = Var_Subst(NULL, cmd, gn, VARF_WANTRES|VARF_UNDEFERR);
-
-		    if ((cp = strchr(cmd, '\n'))) {
-			int n;
-
-			/*
-			 * This command contains newlines, we need to
-			 * fetch more from the .meta file before we
-			 * attempt a comparison.
-			 */
-			/* first put the newline back at buf[x - 1] */
-			buf[x - 1] = '\n';
-			do {
-			    /* now fetch the next line */
-			    if ((n = fgetLine(&buf, &bufsz, x, fp)) <= 0)
-				break;
-			    x = n;
-			    lineno++;
-			    if (buf[x - 1] != '\n') {
-				warnx("%s: %d: line truncated at %u", fname, lineno, x);
-				break;
-			    }
-			    cp = strchr(++cp, '\n');
-			} while (cp);
-			if (buf[x - 1] == '\n')
-			    buf[x - 1] = '\0';
-		    }
-		    if (!hasOODATE &&
-			!(gn->type & OP_NOMETA_CMP) &&
-			strcmp(p, cmd) != 0) {
-			if (DEBUG(META))
-			    fprintf(debug_file, "%s: %d: a build command has changed\n%s\nvs\n%s\n", fname, lineno, p, cmd);
-			if (!metaIgnoreCMDs)
-			    oodate = TRUE;
-		    }
-		    free(cmd);
-		    ln = Lst_Succ(ln);
-		}
-	    } else if (strcmp(buf, "CWD") == 0) {
-		/*
-		 * Check if there are extra commands now
-		 * that weren't in the meta data file.
-		 */
-		if (!oodate && ln != NULL) {
-		    if (DEBUG(META))
-			fprintf(debug_file, "%s: %d: there are extra build commands now that weren't in the meta data file\n", fname, lineno);
-		    oodate = TRUE;
-		}
-		if (strcmp(p, cwd) != 0) {
-		    if (DEBUG(META))
-			fprintf(debug_file, "%s: %d: the current working directory has changed from '%s' to '%s'\n", fname, lineno, p, curdir);
-		    oodate = TRUE;
-		}
-	    }
-	}
-
-	fclose(fp);
-	if (!Lst_IsEmpty(missingFiles)) {
-	    if (DEBUG(META))
-		fprintf(debug_file, "%s: missing files: %s...\n",
-			fname, (char *)Lst_Datum(Lst_First(missingFiles)));
-	    oodate = TRUE;
-	}
-	if (!oodate && !have_filemon && filemonMissing) {
-	    if (DEBUG(META))
-		fprintf(debug_file, "%s: missing filemon data\n", fname);
-	    oodate = TRUE;
-	}
-    } else {
-	if (writeMeta && metaMissing) {
-	    cp = NULL;
-
-	    /* if target is in .CURDIR we do not need a meta file */
-	    if (gn->path && (cp = strrchr(gn->path, '/')) && cp > gn->path) {
-		if (strncmp(curdir, gn->path, (cp - gn->path)) != 0) {
-		    cp = NULL;		/* not in .CURDIR */
-		}
-	    }
-	    if (!cp) {
-		if (DEBUG(META))
-		    fprintf(debug_file, "%s: required but missing\n", fname);
-		oodate = TRUE;
-		needOODATE = TRUE;	/* assume the worst */
-	    }
-	}
-    }
-
-    Lst_Destroy(missingFiles, (FreeProc *)free);
-
-    if (oodate && needOODATE) {
-	/*
-	 * Target uses .OODATE which is empty; or we wouldn't be here.
-	 * We have decided it is oodate, so .OODATE needs to be set.
-	 * All we can sanely do is set it to .ALLSRC.
-	 */
-	Var_Delete(OODATE, gn);
-	Var_Set(OODATE, Var_Value(ALLSRC, gn, &cp), gn, 0);
-	free(cp);
-    }
-
- oodate_out:
-    for (i--; i >= 0; i--) {
-	free(pa[i]);
-    }
-    return oodate;
-}
-
-/* support for compat mode */
-
-static int childPipe[2];
-
-void
-meta_compat_start(void)
-{
-#ifdef USE_FILEMON_ONCE
-    /*
-     * We need to re-open filemon for each cmd.
-     */
-    BuildMon *pbm = &Mybm;
-    
-    if (pbm->mfp != NULL && useFilemon) {
-	filemon_open(pbm);
-    } else {
-	pbm->mon_fd = pbm->filemon_fd = -1;
-    }
-#endif
-    if (pipe(childPipe) < 0)
-	Punt("Cannot create pipe: %s", strerror(errno));
-    /* Set close-on-exec flag for both */
-    (void)fcntl(childPipe[0], F_SETFD, FD_CLOEXEC);
-    (void)fcntl(childPipe[1], F_SETFD, FD_CLOEXEC);
-}
-
-void
-meta_compat_child(void)
-{
-    meta_job_child(NULL);
-    if (dup2(childPipe[1], 1) < 0 ||
-	dup2(1, 2) < 0) {
-	execError("dup2", "pipe");
-	_exit(1);
-    }
-}
-
-void
-meta_compat_parent(void)
-{
-    FILE *fp;
-    char buf[BUFSIZ];
-    
-    close(childPipe[1]);			/* child side */
-    fp = fdopen(childPipe[0], "r");
-    while (fgets(buf, sizeof(buf), fp)) {
-	meta_job_output(NULL, buf, "");
-	printf("%s", buf);
-	fflush(stdout);
-    }
-    fclose(fp);
-}
-
-#endif	/* USE_META */