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From: "Simon J. Gerraty" <sjg@FreeBSD.org>
Date: Thu, 20 Apr 2017 23:12:37 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-vendor@freebsd.org
Subject: svn commit: r317232 - in vendor/NetBSD/bmake/dist: . mk
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Author: sjg
Date: Thu Apr 20 23:12:37 2017
New Revision: 317232
URL: https://svnweb.freebsd.org/changeset/base/317232

Log:
  Import bmake-20170420
  
  Only use -C arg "as is" if it contains no relative component.
  Fix Main_SetObjdir() for relative paths (eg obj).
  Fix a number of coverity complaints.

Modified:
  vendor/NetBSD/bmake/dist/ChangeLog
  vendor/NetBSD/bmake/dist/Makefile
  vendor/NetBSD/bmake/dist/arch.c
  vendor/NetBSD/bmake/dist/cond.c
  vendor/NetBSD/bmake/dist/dir.c
  vendor/NetBSD/bmake/dist/for.c
  vendor/NetBSD/bmake/dist/job.c
  vendor/NetBSD/bmake/dist/main.c
  vendor/NetBSD/bmake/dist/make_malloc.c
  vendor/NetBSD/bmake/dist/mk/ChangeLog
  vendor/NetBSD/bmake/dist/mk/auto.obj.mk
  vendor/NetBSD/bmake/dist/mk/install-mk
  vendor/NetBSD/bmake/dist/parse.c
  vendor/NetBSD/bmake/dist/suff.c
  vendor/NetBSD/bmake/dist/targ.c
  vendor/NetBSD/bmake/dist/var.c

Modified: vendor/NetBSD/bmake/dist/ChangeLog
==============================================================================
--- vendor/NetBSD/bmake/dist/ChangeLog	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/ChangeLog	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,3 +1,29 @@
+2017-04-20  Simon J. Gerraty  <sjg@bad.crufty.net>
+
+	* Makefile (_MAKE_VERSION): 20170420
+	  Merge with NetBSD make, pick up
+	  o main.c: only use -C arg "as is" if it contains no 
+	    relative component.
+
+2017-04-18  Simon J. Gerraty  <sjg@bad.crufty.net>
+
+	* Makefile (_MAKE_VERSION): 20170418
+	  Merge with NetBSD make, pick up
+	  o main.c: fix Main_SetObjdir() for relative paths (eg obj).
+
+2017-04-17  Simon J. Gerraty  <sjg@bad.crufty.net>
+
+	* Makefile (_MAKE_VERSION): 20170417
+	  Merge with NetBSD make, pick up
+	  o fixes a number of coverity complaints
+	    - check return value of fseek, fcntl
+	    - plug memory leak in Dir_FindFile, Var_LoopExpand,
+	      JobPrintCommand, ParseTraditionalInclude
+	    - use bmake_malloc() where NULL is not tollerated
+	    - use MAKE_ATTR_UNUSED rather that kludges like 
+	      return(unused ? 0 : 0)
+	    - use purge_cached_realpaths() rather than abuse cached_realpath()
+
 2017-04-13  Simon J. Gerraty  <sjg@bad.crufty.net>
 
 	* Makefile (_MAKE_VERSION): 20170413

Modified: vendor/NetBSD/bmake/dist/Makefile
==============================================================================
--- vendor/NetBSD/bmake/dist/Makefile	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/Makefile	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,7 +1,7 @@
-#	$Id: Makefile,v 1.85 2017/04/13 16:29:40 sjg Exp $
+#	$Id: Makefile,v 1.88 2017/04/20 14:51:14 sjg Exp $
 
 # Base version on src date
-_MAKE_VERSION= 20170413
+_MAKE_VERSION= 20170420
 
 PROG=	bmake
 

Modified: vendor/NetBSD/bmake/dist/arch.c
==============================================================================
--- vendor/NetBSD/bmake/dist/arch.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/arch.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: arch.c,v 1.69 2016/04/06 09:57:00 gson Exp $	*/
+/*	$NetBSD: arch.c,v 1.70 2017/04/16 20:49:09 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: arch.c,v 1.69 2016/04/06 09:57:00 gson Exp $";
+static char rcsid[] = "$NetBSD: arch.c,v 1.70 2017/04/16 20:49:09 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)arch.c	8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: arch.c,v 1.69 2016/04/06 09:57:00 gson Exp $");
+__RCSID("$NetBSD: arch.c,v 1.70 2017/04/16 20:49:09 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -726,7 +726,8 @@ ArchStatMember(char *archive, char *memb
 		if (fread(memName, elen, 1, arch) != 1)
 			goto badarch;
 		memName[elen] = '\0';
-		fseek(arch, -elen, SEEK_CUR);
+		if (fseek(arch, -elen, SEEK_CUR) != 0)
+			goto badarch;
 		if (DEBUG(ARCH) || DEBUG(MAKE)) {
 		    fprintf(debug_file, "ArchStat: Extended format entry for %s\n", memName);
 		}
@@ -737,7 +738,8 @@ ArchStatMember(char *archive, char *memb
 	    Hash_SetValue(he, bmake_malloc(sizeof(struct ar_hdr)));
 	    memcpy(Hash_GetValue(he), &arh, sizeof(struct ar_hdr));
 	}
-	fseek(arch, (size + 1) & ~1, SEEK_CUR);
+	if (fseek(arch, (size + 1) & ~1, SEEK_CUR) != 0)
+	    goto badarch;
     }
 
     fclose(arch);
@@ -956,7 +958,10 @@ ArchFindMember(char *archive, char *memb
 		 * the file at the actual member, rather than its header, but
 		 * not here...
 		 */
-		fseek(arch, -sizeof(struct ar_hdr), SEEK_CUR);
+		if (fseek(arch, -sizeof(struct ar_hdr), SEEK_CUR) != 0) {
+		    fclose(arch);
+		    return NULL;
+		}
 		return (arch);
 	    }
 	} else
@@ -986,10 +991,17 @@ ArchFindMember(char *archive, char *memb
 		}
 		if (strncmp(ename, member, len) == 0) {
 			/* Found as extended name */
-			fseek(arch, -sizeof(struct ar_hdr) - elen, SEEK_CUR);
+			if (fseek(arch, -sizeof(struct ar_hdr) - elen,
+				SEEK_CUR) != 0) {
+			    fclose(arch);
+			    return NULL;
+			}
 			return (arch);
 		}
-		fseek(arch, -elen, SEEK_CUR);
+		if (fseek(arch, -elen, SEEK_CUR) != 0) {
+		    fclose(arch);
+		    return NULL;
+		}
 		goto skip;
 	} else
 #endif
@@ -1002,9 +1014,12 @@ skip:
 	     * extract the size of the file from the 'size' field of the
 	     * header and round it up during the seek.
 	     */
-	    arhPtr->ar_size[sizeof(arhPtr->AR_SIZE)-1] = '\0';
+	    arhPtr->AR_SIZE[sizeof(arhPtr->AR_SIZE)-1] = '\0';
 	    size = (int)strtol(arhPtr->AR_SIZE, NULL, 10);
-	    fseek(arch, (size + 1) & ~1, SEEK_CUR);
+	    if (fseek(arch, (size + 1) & ~1, SEEK_CUR) != 0) {
+		fclose(arch);
+		return NULL;
+	    }
 	}
     }
 

Modified: vendor/NetBSD/bmake/dist/cond.c
==============================================================================
--- vendor/NetBSD/bmake/dist/cond.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/cond.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: cond.c,v 1.74 2016/02/18 18:29:14 christos Exp $	*/
+/*	$NetBSD: cond.c,v 1.75 2017/04/16 20:59:04 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -70,14 +70,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: cond.c,v 1.74 2016/02/18 18:29:14 christos Exp $";
+static char rcsid[] = "$NetBSD: cond.c,v 1.75 2017/04/16 20:59:04 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)cond.c	8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: cond.c,v 1.74 2016/02/18 18:29:14 christos Exp $");
+__RCSID("$NetBSD: cond.c,v 1.75 2017/04/16 20:59:04 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -91,6 +91,7 @@ __RCSID("$NetBSD: cond.c,v 1.74 2016/02/
  *
  */
 
+#include    <assert.h>
 #include    <ctype.h>
 #include    <errno.h>    /* For strtoul() error checking */
 
@@ -1174,8 +1175,9 @@ Cond_EvalExpression(const struct If *inf
 		break;
 	dflt_info = info;
     }
+    assert(info != NULL);
 
-    if_info = info != NULL ? info : ifs + 4;
+    if_info = info;
     condExpr = line;
     condPushBack = TOK_NONE;
 

Modified: vendor/NetBSD/bmake/dist/dir.c
==============================================================================
--- vendor/NetBSD/bmake/dist/dir.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/dir.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: dir.c,v 1.69 2017/01/31 06:54:23 sjg Exp $	*/
+/*	$NetBSD: dir.c,v 1.71 2017/04/16 21:14:47 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -70,14 +70,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: dir.c,v 1.69 2017/01/31 06:54:23 sjg Exp $";
+static char rcsid[] = "$NetBSD: dir.c,v 1.71 2017/04/16 21:14:47 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)dir.c	8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: dir.c,v 1.69 2017/01/31 06:54:23 sjg Exp $");
+__RCSID("$NetBSD: dir.c,v 1.71 2017/04/16 21:14:47 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -803,11 +803,11 @@ DirExpandInt(const char *word, Lst path,
  *-----------------------------------------------------------------------
  */
 static int
-DirPrintWord(void *word, void *dummy)
+DirPrintWord(void *word, void *dummy MAKE_ATTR_UNUSED)
 {
     fprintf(debug_file, "%s ", (char *)word);
 
-    return(dummy ? 0 : 0);
+    return 0;
 }
 
 /*-
@@ -1315,8 +1315,14 @@ Dir_FindFile(const char *name, Lst path)
 	    fprintf(debug_file, "   Trying exact path matches...\n");
 	}
 
-	if (!hasLastDot && cur && (file = DirLookupAbs(cur, name, cp)) != NULL)
-	    return *file?file:NULL;
+	if (!hasLastDot && cur && ((file = DirLookupAbs(cur, name, cp))
+		!= NULL)) {
+	    if (file[0] == '\0') {
+		free(file);
+		return NULL;
+	    }
+	    return file;
+	}
 
 	(void)Lst_Open(path);
 	while ((ln = Lst_Next(path)) != NULL) {
@@ -1325,13 +1331,23 @@ Dir_FindFile(const char *name, Lst path)
 		continue;
 	    if ((file = DirLookupAbs(p, name, cp)) != NULL) {
 		Lst_Close(path);
-		return *file?file:NULL;
+		if (file[0] == '\0') {
+		    free(file);
+		    return NULL;
+		}
+		return file;
 	    }
 	}
 	Lst_Close(path);
 
-	if (hasLastDot && cur && (file = DirLookupAbs(cur, name, cp)) != NULL)
-	    return *file?file:NULL;
+	if (hasLastDot && cur && ((file = DirLookupAbs(cur, name, cp))
+		!= NULL)) {
+	    if (file[0] == '\0') {
+		free(file);
+		return NULL;
+	    }
+	    return file;
+	}
     }
 
     /*
@@ -1851,10 +1867,10 @@ Dir_PrintDirectories(void)
 }
 
 static int
-DirPrintDir(void *p, void *dummy)
+DirPrintDir(void *p, void *dummy MAKE_ATTR_UNUSED)
 {
     fprintf(debug_file, "%s ", ((Path *)p)->name);
-    return (dummy ? 0 : 0);
+    return 0;
 }
 
 void

Modified: vendor/NetBSD/bmake/dist/for.c
==============================================================================
--- vendor/NetBSD/bmake/dist/for.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/for.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: for.c,v 1.52 2016/02/18 18:29:14 christos Exp $	*/
+/*	$NetBSD: for.c,v 1.53 2017/04/16 21:04:44 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1992, The Regents of the University of California.
@@ -30,14 +30,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: for.c,v 1.52 2016/02/18 18:29:14 christos Exp $";
+static char rcsid[] = "$NetBSD: for.c,v 1.53 2017/04/16 21:04:44 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)for.c	8.1 (Berkeley) 6/6/93";
 #else
-__RCSID("$NetBSD: for.c,v 1.52 2016/02/18 18:29:14 christos Exp $");
+__RCSID("$NetBSD: for.c,v 1.53 2017/04/16 21:04:44 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -427,7 +427,7 @@ For_Iterate(void *v_arg, size_t *ret_len
     for (cp = cmd_cp; (cp = strchr(cp, '$')) != NULL;) {
 	char ech;
 	ch = *++cp;
-	if ((ch == '(' && (ech = ')')) || (ch == '{' && (ech = '}'))) {
+	if ((ch == '(' && (ech = ')', 1)) || (ch == '{' && (ech = '}', 1))) {
 	    cp++;
 	    /* Check variable name against the .for loop variables */
 	    STRLIST_FOREACH(var, &arg->vars, i) {

Modified: vendor/NetBSD/bmake/dist/job.c
==============================================================================
--- vendor/NetBSD/bmake/dist/job.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/job.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: job.c,v 1.188 2016/08/26 23:28:39 dholland Exp $	*/
+/*	$NetBSD: job.c,v 1.190 2017/04/16 21:23:43 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -70,14 +70,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: job.c,v 1.188 2016/08/26 23:28:39 dholland Exp $";
+static char rcsid[] = "$NetBSD: job.c,v 1.190 2017/04/16 21:23:43 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)job.c	8.2 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: job.c,v 1.188 2016/08/26 23:28:39 dholland Exp $");
+__RCSID("$NetBSD: job.c,v 1.190 2017/04/16 21:23:43 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -427,7 +427,7 @@ static void JobSigUnlock(sigset_t *omask
 static void
 JobCreatePipe(Job *job, int minfd)
 {
-    int i, fd;
+    int i, fd, flags;
 
     if (pipe(job->jobPipe) == -1)
 	Punt("Cannot create pipe: %s", strerror(errno));
@@ -442,8 +442,10 @@ JobCreatePipe(Job *job, int minfd)
     }
     
     /* Set close-on-exec flag for both */
-    (void)fcntl(job->jobPipe[0], F_SETFD, FD_CLOEXEC);
-    (void)fcntl(job->jobPipe[1], F_SETFD, FD_CLOEXEC);
+    if (fcntl(job->jobPipe[0], F_SETFD, FD_CLOEXEC) == -1)
+	Punt("Cannot set close-on-exec: %s", strerror(errno));
+    if (fcntl(job->jobPipe[1], F_SETFD, FD_CLOEXEC) == -1)
+	Punt("Cannot set close-on-exec: %s", strerror(errno));
 
     /*
      * We mark the input side of the pipe non-blocking; we poll(2) the
@@ -451,8 +453,12 @@ JobCreatePipe(Job *job, int minfd)
      * race for the token when a new one becomes available, so the read 
      * from the pipe should not block.
      */
-    fcntl(job->jobPipe[0], F_SETFL, 
-	fcntl(job->jobPipe[0], F_GETFL, 0) | O_NONBLOCK);
+    flags = fcntl(job->jobPipe[0], F_GETFL, 0);
+    if (flags == -1)
+	Punt("Cannot get flags: %s", strerror(errno));
+    flags |= O_NONBLOCK;
+    if (fcntl(job->jobPipe[0], F_SETFL, flags) == -1)
+	Punt("Cannot set flags: %s", strerror(errno));
 }
 
 /*-
@@ -754,6 +760,7 @@ JobPrintCommand(void *cmdp, void *jobp)
 		 * but this one needs to be - use compat mode just for it.
 		 */
 		CompatRunCommand(cmdp, job->node);
+		free(cmdStart);
 		return 0;
 	    }
 	    break;
@@ -1382,15 +1389,27 @@ JobExec(Job *job, char **argv)
 	    execError("dup2", "job->cmdFILE");
 	    _exit(1);
 	}
-	(void)fcntl(0, F_SETFD, 0);
-	(void)lseek(0, (off_t)0, SEEK_SET);
+	if (fcntl(0, F_SETFD, 0) == -1) {
+	    execError("fcntl clear close-on-exec", "stdin");
+	    _exit(1);
+	}
+	if (lseek(0, (off_t)0, SEEK_SET) == -1) {
+	    execError("lseek to 0", "stdin");
+	    _exit(1);
+	}
 
 	if (job->node->type & (OP_MAKE | OP_SUBMAKE)) {
 		/*
 		 * Pass job token pipe to submakes.
 		 */
-		fcntl(tokenWaitJob.inPipe, F_SETFD, 0);
-		fcntl(tokenWaitJob.outPipe, F_SETFD, 0);		
+		if (fcntl(tokenWaitJob.inPipe, F_SETFD, 0) == -1) {
+		    execError("clear close-on-exec", "tokenWaitJob.inPipe");
+		    _exit(1);
+		}
+		if (fcntl(tokenWaitJob.outPipe, F_SETFD, 0) == -1) {
+		    execError("clear close-on-exec", "tokenWaitJob.outPipe");
+		    _exit(1);
+		}
 	}
 	
 	/*
@@ -1407,7 +1426,10 @@ JobExec(Job *job, char **argv)
 	 * it before routing the shell's error output to the same place as
 	 * its standard output.
 	 */
-	(void)fcntl(1, F_SETFD, 0);
+	if (fcntl(1, F_SETFD, 0) == -1) {
+	    execError("clear close-on-exec", "stdout");
+	    _exit(1);
+	}
 	if (dup2(1, 2) == -1) {
 	    execError("dup2", "1, 2");
 	    _exit(1);

Modified: vendor/NetBSD/bmake/dist/main.c
==============================================================================
--- vendor/NetBSD/bmake/dist/main.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/main.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: main.c,v 1.260 2017/04/13 13:55:23 christos Exp $	*/
+/*	$NetBSD: main.c,v 1.264 2017/04/20 03:57:27 sjg Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,7 +69,7 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: main.c,v 1.260 2017/04/13 13:55:23 christos Exp $";
+static char rcsid[] = "$NetBSD: main.c,v 1.264 2017/04/20 03:57:27 sjg Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
@@ -81,7 +81,7 @@ __COPYRIGHT("@(#) Copyright (c) 1988, 19
 #if 0
 static char sccsid[] = "@(#)main.c	8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: main.c,v 1.260 2017/04/13 13:55:23 christos Exp $");
+__RCSID("$NetBSD: main.c,v 1.264 2017/04/20 03:57:27 sjg Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -187,6 +187,7 @@ static const char *	tracefile;
 static void		MainParseArgs(int, char **);
 static int		ReadMakefile(const void *, const void *);
 static void		usage(void) MAKE_ATTR_DEAD;
+static void		purge_cached_realpaths(void);
 
 static Boolean		ignorePWD;	/* if we use -C, PWD is meaningless */
 static char objdir[MAXPATHLEN + 1];	/* where we chdir'ed to */
@@ -336,7 +337,7 @@ parse_debug_options(const char *argvalue
 				goto debug_setbuf;
 			}
 			len = strlen(modules);
-			fname = malloc(len + 20);
+			fname = bmake_malloc(len + 20);
 			memcpy(fname, modules, len + 1);
 			/* Let the filename be modified by the pid */
 			if (strcmp(fname + len - 3, ".%d") == 0)
@@ -367,6 +368,32 @@ debug_setbuf:
 	}
 }
 
+/*
+ * does path contain any relative components
+ */
+static int
+is_relpath(const char *path)
+{
+	const char *cp;
+
+	if (path[0] != '/')
+		return TRUE;
+	cp = path;
+	do {
+		cp = strstr(cp, "/.");
+		if (!cp)
+			break;
+		cp += 2;
+		if (cp[0] == '/' || cp[0] == '\0')
+			return TRUE;
+		else if (cp[0] == '.') {
+			if (cp[1] == '/' || cp[1] == '\0')
+				return TRUE;
+		}
+	} while (cp);
+	return FALSE;
+}
+
 /*-
  * MainParseArgs --
  *	Parse a given argument vector. Called from main() and from
@@ -458,7 +485,7 @@ rearg:	
 				(void)fprintf(stderr, "%s: %s.\n", progname, strerror(errno));
 				exit(2);
 			}
-			if (argvalue[0] == '/' &&
+			if (!is_relpath(argvalue) &&
 			    stat(argvalue, &sa) != -1 &&
 			    stat(curdir, &sb) != -1 &&
 			    sa.st_ino == sb.st_ino &&
@@ -732,8 +759,10 @@ Main_SetObjdir(const char *fmt, ...)
 	va_end(ap);
 
 	if (path[0] != '/') {
-		snprintf(buf, MAXPATHLEN, "%s/%s", curdir, path);
-		path = buf;
+		char buf2[MAXPATHLEN + 1];
+		
+		snprintf(buf2, MAXPATHLEN, "%s/%s", curdir, path);
+		path = buf2;
 	}
 
 	/* look for the directory and try to chdir there */
@@ -746,7 +775,7 @@ Main_SetObjdir(const char *fmt, ...)
 			Var_Set(".OBJDIR", objdir, VAR_GLOBAL, 0);
 			setenv("PWD", objdir, 1);
 			Dir_InitDot();
-			cached_realpath(".OBJDIR", NULL); /* purge */
+			purge_cached_realpaths();
 			rc = TRUE;
 			if (enterFlag && strcmp(objdir, curdir) != 0)
 				enterFlagObj = TRUE;
@@ -1907,42 +1936,56 @@ usage(void)
 	exit(2);
 }
 
-
 /*
  * realpath(3) can get expensive, cache results...
  */
+static GNode *cached_realpaths = NULL;
+
+static GNode *
+get_cached_realpaths(void)
+{
+
+    if (!cached_realpaths) {
+	cached_realpaths = Targ_NewGN("Realpath");
+#ifndef DEBUG_REALPATH_CACHE
+	cached_realpaths->flags = INTERNAL;
+#endif
+    }
+
+    return cached_realpaths;
+}
+
+/* purge any relative paths */
+static void
+purge_cached_realpaths(void)
+{
+    GNode *cache = get_cached_realpaths();
+    Hash_Entry *he, *nhe;
+    Hash_Search hs;
+
+    he = Hash_EnumFirst(&cache->context, &hs);
+    while (he) {
+	nhe = Hash_EnumNext(&hs);
+	if (he->name[0] != '/') {
+	    if (DEBUG(DIR))
+		fprintf(stderr, "cached_realpath: purging %s\n", he->name);
+	    Hash_DeleteEntry(&cache->context, he);
+	}
+	he = nhe;
+    }
+}
+
 char *
 cached_realpath(const char *pathname, char *resolved)
 {
-    static GNode *cache;
+    GNode *cache;
     char *rp, *cp;
 
     if (!pathname || !pathname[0])
 	return NULL;
 
-    if (!cache) {
-	cache = Targ_NewGN("Realpath");
-#ifndef DEBUG_REALPATH_CACHE
-	cache->flags = INTERNAL;
-#endif
-    }
-    if (resolved == NULL && strcmp(pathname, ".OBJDIR") == 0) {
-	/* purge any relative paths */
-	Hash_Entry *he, *nhe;
-	Hash_Search hs;
-
-	he = Hash_EnumFirst(&cache->context, &hs);
-	while (he) {
-	    nhe = Hash_EnumNext(&hs);
-	    if (he->name[0] != '/') {
-		if (DEBUG(DIR))
-		    fprintf(stderr, "cached_realpath: purging %s\n", he->name);
-		Hash_DeleteEntry(&cache->context, he);
-	    }
-	    he = nhe;
-	}
-	return NULL;
-    }
+    cache = get_cached_realpaths();
+
     if ((rp = Var_Value(pathname, cache, &cp)) != NULL) {
 	/* a hit */
 	strlcpy(resolved, rp, MAXPATHLEN);

Modified: vendor/NetBSD/bmake/dist/make_malloc.c
==============================================================================
--- vendor/NetBSD/bmake/dist/make_malloc.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/make_malloc.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: make_malloc.c,v 1.10 2012/06/20 17:46:28 sjg Exp $	*/
+/*	$NetBSD: make_malloc.c,v 1.11 2017/04/16 20:20:24 dholland Exp $	*/
 
 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
@@ -28,7 +28,7 @@
 
 #ifdef MAKE_NATIVE
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: make_malloc.c,v 1.10 2012/06/20 17:46:28 sjg Exp $");
+__RCSID("$NetBSD: make_malloc.c,v 1.11 2017/04/16 20:20:24 dholland Exp $");
 #endif
 
 #include <stdio.h>
@@ -39,13 +39,13 @@ __RCSID("$NetBSD: make_malloc.c,v 1.10 2
 #include "make.h"
 
 #ifndef USE_EMALLOC
-static void enomem(void) MAKE_ATTR_DEAD;
+static MAKE_ATTR_DEAD void enomem(void);
 
 /*
  * enomem --
  *	die when out of memory.
  */
-static void
+static MAKE_ATTR_DEAD void
 enomem(void)
 {
 	(void)fprintf(stderr, "%s: %s.\n", progname, strerror(ENOMEM));

Modified: vendor/NetBSD/bmake/dist/mk/ChangeLog
==============================================================================
--- vendor/NetBSD/bmake/dist/mk/ChangeLog	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/mk/ChangeLog	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,3 +1,10 @@
+2017-04-18  Simon J. Gerraty  <sjg@bad.crufty.net>
+
+	* install-mk (MK_VERSION): 20170418
+
+	* auto.obj.mk: if using MAKEOBJDIRPREFIX check if it is a
+	  prefix match for .CURDIR - in which case .CURDIR *is* __objdir.
+
 2017-04-01  Simon J. Gerraty  <sjg@bad.crufty.net>
 
 	* install-mk (MK_VERSION): 20170401

Modified: vendor/NetBSD/bmake/dist/mk/auto.obj.mk
==============================================================================
--- vendor/NetBSD/bmake/dist/mk/auto.obj.mk	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/mk/auto.obj.mk	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-# $Id: auto.obj.mk,v 1.13 2017/03/24 20:53:22 sjg Exp $
+# $Id: auto.obj.mk,v 1.14 2017/04/18 23:53:18 sjg Exp $
 #
 #	@(#) Copyright (c) 2004, Simon J. Gerraty
 #
@@ -41,6 +41,10 @@ MKOBJDIRS= auto
 # Use __objdir here so it is easier to tweak without impacting
 # the logic.
 .if !empty(MAKEOBJDIRPREFIX)
+.if ${.CURDIR:M${MAKEOBJDIRPREFIX}/*} != ""
+# we are already in obj tree!
+__objdir?= ${.CURDIR}
+.endif
 __objdir?= ${MAKEOBJDIRPREFIX}${.CURDIR}
 .endif
 __objdir?= ${MAKEOBJDIR:Uobj}

Modified: vendor/NetBSD/bmake/dist/mk/install-mk
==============================================================================
--- vendor/NetBSD/bmake/dist/mk/install-mk	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/mk/install-mk	Thu Apr 20 23:12:37 2017	(r317232)
@@ -55,7 +55,7 @@
 #       Simon J. Gerraty <sjg@crufty.net>
 
 # RCSid:
-#	$Id: install-mk,v 1.140 2017/04/03 21:04:09 sjg Exp $
+#	$Id: install-mk,v 1.141 2017/04/18 23:53:18 sjg Exp $
 #
 #	@(#) Copyright (c) 1994 Simon J. Gerraty
 #
@@ -70,7 +70,7 @@
 #	sjg@crufty.net
 #
 
-MK_VERSION=20170401
+MK_VERSION=20170418
 OWNER=
 GROUP=
 MODE=444

Modified: vendor/NetBSD/bmake/dist/parse.c
==============================================================================
--- vendor/NetBSD/bmake/dist/parse.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/parse.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: parse.c,v 1.218 2017/03/01 16:39:49 sjg Exp $	*/
+/*	$NetBSD: parse.c,v 1.225 2017/04/17 13:29:07 maya Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: parse.c,v 1.218 2017/03/01 16:39:49 sjg Exp $";
+static char rcsid[] = "$NetBSD: parse.c,v 1.225 2017/04/17 13:29:07 maya Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)parse.c	8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: parse.c,v 1.218 2017/03/01 16:39:49 sjg Exp $");
+__RCSID("$NetBSD: parse.c,v 1.225 2017/04/17 13:29:07 maya Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -130,6 +130,7 @@ __RCSID("$NetBSD: parse.c,v 1.218 2017/0
 #include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
+#include <stdint.h>
 
 #include "make.h"
 #include "hash.h"
@@ -539,7 +540,7 @@ loadfile(const char *path, int fd)
 		if (lf->buf != MAP_FAILED) {
 			/* succeeded */
 			if (lf->len == lf->maplen && lf->buf[lf->len - 1] != '\n') {
-				char *b = malloc(lf->len + 1);
+				char *b = bmake_malloc(lf->len + 1);
 				b[lf->len] = '\n';
 				memcpy(b, lf->buf, lf->len++);
 				munmap(lf->buf, lf->maplen);
@@ -560,9 +561,15 @@ loadfile(const char *path, int fd)
 	while (1) {
 		assert(bufpos <= lf->len);
 		if (bufpos == lf->len) {
+			if (lf->len > SIZE_MAX/2) {
+				errno = EFBIG;
+				Error("%s: file too large", path);
+				exit(1);
+			}
 			lf->len *= 2;
 			lf->buf = bmake_realloc(lf->buf, lf->len);
 		}
+		assert(bufpos < lf->len);
 		result = read(fd, lf->buf + bufpos, lf->len - bufpos);
 		if (result < 0) {
 			Error("%s: read error: %s", path, strerror(errno));
@@ -1099,15 +1106,15 @@ ParseDoSrc(int tOp, const char *src)
  *-----------------------------------------------------------------------
  */
 static int
-ParseFindMain(void *gnp, void *dummy)
+ParseFindMain(void *gnp, void *dummy MAKE_ATTR_UNUSED)
 {
     GNode   	  *gn = (GNode *)gnp;
     if ((gn->type & OP_NOTARGET) == 0) {
 	mainNode = gn;
 	Targ_SetMain(gn);
-	return (dummy ? 1 : 1);
+	return 1;
     } else {
-	return (dummy ? 0 : 0);
+	return 0;
     }
 }
 
@@ -1145,10 +1152,10 @@ ParseAddDir(void *path, void *name)
  *-----------------------------------------------------------------------
  */
 static int
-ParseClearPath(void *path, void *dummy)
+ParseClearPath(void *path, void *dummy MAKE_ATTR_UNUSED)
 {
     Dir_ClearPath((Lst) path);
-    return(dummy ? 0 : 0);
+    return 0;
 }
 
 /*-
@@ -1685,10 +1692,12 @@ ParseDoDependency(char *line)
 	}
 	if (paths) {
 	    Lst_Destroy(paths, NULL);
+	    paths = NULL;
 	}
 	if (specType == ExPath)
 	    Dir_SetPATH();
     } else {
+	assert(paths == NULL);
 	while (*line) {
 	    /*
 	     * The targets take real sources, so we must beware of archive
@@ -1747,6 +1756,7 @@ ParseDoDependency(char *line)
     }
 
 out:
+    assert(paths == NULL);
     if (curTargs)
 	    Lst_Destroy(curTargs, NULL);
 }
@@ -2550,7 +2560,7 @@ ParseTraditionalInclude(char *line)
     if (*file == '\0') {
 	Parse_Error(PARSE_FATAL,
 		     "Filename missing from \"include\"");
-	return;
+	goto out;
     }
 
     for (file = all_files; !done; file = cp + 1) {
@@ -2565,6 +2575,7 @@ ParseTraditionalInclude(char *line)
 
 	Parse_include_file(file, FALSE, FALSE, silent);
     }
+out:
     free(all_files);
 }
 #endif
@@ -2615,6 +2626,7 @@ ParseGmakeExport(char *line)
      */
     value = Var_Subst(NULL, value, VAR_CMD, VARF_WANTRES);
     setenv(variable, value, 1);
+    free(value);
 }
 #endif
 

Modified: vendor/NetBSD/bmake/dist/suff.c
==============================================================================
--- vendor/NetBSD/bmake/dist/suff.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/suff.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: suff.c,v 1.84 2016/06/30 05:34:04 dholland Exp $	*/
+/*	$NetBSD: suff.c,v 1.86 2017/04/16 20:38:18 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: suff.c,v 1.84 2016/06/30 05:34:04 dholland Exp $";
+static char rcsid[] = "$NetBSD: suff.c,v 1.86 2017/04/16 20:38:18 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)suff.c	8.4 (Berkeley) 3/21/94";
 #else
-__RCSID("$NetBSD: suff.c,v 1.84 2016/06/30 05:34:04 dholland Exp $");
+__RCSID("$NetBSD: suff.c,v 1.86 2017/04/16 20:38:18 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -135,6 +135,7 @@ __RCSID("$NetBSD: suff.c,v 1.84 2016/06/
  *				order to find the node.
  */
 
+#include    	  <assert.h>
 #include    	  <stdio.h>
 #include	  "make.h"
 #include	  "hash.h"
@@ -762,12 +763,10 @@ Suff_AddTransform(char *line)
  *-----------------------------------------------------------------------
  */
 int
-Suff_EndTransform(void *gnp, void *dummy)
+Suff_EndTransform(void *gnp, void *dummy MAKE_ATTR_UNUSED)
 {
     GNode *gn = (GNode *)gnp;
 
-    (void)dummy;
-
     if ((gn->type & OP_DOUBLEDEP) && !Lst_IsEmpty (gn->cohorts))
 	gn = (GNode *)Lst_Datum(Lst_Last(gn->cohorts));
     if ((gn->type & OP_TRANSFORM) && Lst_IsEmpty(gn->commands) &&
@@ -1908,6 +1907,13 @@ SuffFindArchiveDeps(GNode *gn, Lst slst)
     eoarch = strchr(gn->name, '(');
     eoname = strchr(eoarch, ')');
 
+    /*
+     * Caller guarantees the format `libname(member)', via
+     * Arch_ParseArchive.
+     */
+    assert(eoarch != NULL);
+    assert(eoname != NULL);
+
     *eoname = '\0';	  /* Nuke parentheses during suffix search */
     *eoarch = '\0';	  /* So a suffix can be found */
 
@@ -2597,23 +2603,20 @@ Suff_End(void)
 
 /********************* DEBUGGING FUNCTIONS **********************/
 
-static int SuffPrintName(void *s, void *dummy)
+static int SuffPrintName(void *s, void *dummy MAKE_ATTR_UNUSED)
 {
-    (void)dummy;
 
     fprintf(debug_file, "%s ", ((Suff *)s)->name);
     return 0;
 }
 
 static int
-SuffPrintSuff(void *sp, void *dummy)
+SuffPrintSuff(void *sp, void *dummy MAKE_ATTR_UNUSED)
 {
     Suff    *s = (Suff *)sp;
     int	    flags;
     int	    flag;
 
-    (void)dummy;
-
     fprintf(debug_file, "# `%s' [%d] ", s->name, s->refCount);
 
     flags = s->flags;
@@ -2650,12 +2653,10 @@ SuffPrintSuff(void *sp, void *dummy)
 }
 
 static int
-SuffPrintTrans(void *tp, void *dummy)
+SuffPrintTrans(void *tp, void *dummy MAKE_ATTR_UNUSED)
 {
     GNode   *t = (GNode *)tp;
 
-    (void)dummy;
-
     fprintf(debug_file, "%-16s: ", t->name);
     Targ_PrintType(t->type);
     fputc('\n', debug_file);

Modified: vendor/NetBSD/bmake/dist/targ.c
==============================================================================
--- vendor/NetBSD/bmake/dist/targ.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/targ.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: targ.c,v 1.61 2016/01/17 17:45:21 christos Exp $	*/
+/*	$NetBSD: targ.c,v 1.62 2017/04/16 19:53:58 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: targ.c,v 1.61 2016/01/17 17:45:21 christos Exp $";
+static char rcsid[] = "$NetBSD: targ.c,v 1.62 2017/04/16 19:53:58 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)targ.c	8.2 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: targ.c,v 1.61 2016/01/17 17:45:21 christos Exp $");
+__RCSID("$NetBSD: targ.c,v 1.62 2017/04/16 19:53:58 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -521,10 +521,10 @@ TargPrintName(void *gnp, void *pflags MA
 
 
 int
-Targ_PrintCmd(void *cmd, void *dummy)
+Targ_PrintCmd(void *cmd, void *dummy MAKE_ATTR_UNUSED)
 {
     fprintf(debug_file, "\t%s\n", (char *)cmd);
-    return (dummy ? 0 : 0);
+    return 0;
 }
 
 /*-

Modified: vendor/NetBSD/bmake/dist/var.c
==============================================================================
--- vendor/NetBSD/bmake/dist/var.c	Thu Apr 20 22:30:39 2017	(r317231)
+++ vendor/NetBSD/bmake/dist/var.c	Thu Apr 20 23:12:37 2017	(r317232)
@@ -1,4 +1,4 @@
-/*	$NetBSD: var.c,v 1.213 2017/02/01 18:39:27 sjg Exp $	*/
+/*	$NetBSD: var.c,v 1.215 2017/04/16 21:39:49 riastradh Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: var.c,v 1.213 2017/02/01 18:39:27 sjg Exp $";
+static char rcsid[] = "$NetBSD: var.c,v 1.215 2017/04/16 21:39:49 riastradh Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)var.c	8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: var.c,v 1.213 2017/02/01 18:39:27 sjg Exp $");
+__RCSID("$NetBSD: var.c,v 1.215 2017/04/16 21:39:49 riastradh Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -1181,7 +1181,7 @@ Var_Value(const char *name, GNode *ctxt,
 static Boolean

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***