Ignore utime errors for until we restore old behavior for tar + libtar.

ports/libtar/nacl.patch

 diff --git a/configure b/configure
 index 466a189..3b1fe44 100755
 --- a/configure
 +++ b/configure
 @@ -2602,8 +2602,8 @@ cat >>confdefs.h <<\_ACEOF
  #define HAVE_STRLCPY 1
  _ACEOF
  
 -else
 -  LIBOBJS="$LIBOBJS strlcpy.$ac_objext"
@@ skipping 83 matching lines @@
         gr = getgrgid(gid);
 @@ -176,6 +179,7 @@ th_set_group(TAR *t, gid_t gid)
                 strlcpy(t->th_buf.gname, gr->gr_name, sizeof(t->th_buf.gname));
  
         int_to_oct(gid, t->th_buf.gid, 8);
 +#endif
  }
  
  
 diff --git a/lib/extract.c b/lib/extract.c
-index 6bbb801..4ae276d 100644
+index 6bbb801..2d8b571 100644
 --- a/lib/extract.c
 +++ b/lib/extract.c
 @@ -28,6 +28,22 @@
  #endif
  
  
 +#if defined(__native_client__) && defined(_NEWLIB_VERSION)
 +struct group *getgrgid(gid_t gid) {
 +  errno = ENOSYS;
 +  return NULL;
 +}
 +
 +int major(dev_t dev) {
 +  return 0;
 +}
 +
 +int minor(dev_t dev) {
 +  return 0;
 +}
 +#endif
 +
 +
  struct linkname
  {
         char ln_save[MAXPATHLEN];
-@@ -117,6 +133,7 @@ tar_extract_file(TAR *t, char *realname)
+@@ -74,10 +90,17 @@ tar_set_file_perms(TAR *t, char *realname)
+        /* change access/modification time */
+        if (!TH_ISSYM(t) && utime(filename, &ut) == -1)
+        {
++          /* TODO(bradnelson): Remove this when all mounts support utime. */
++#if !defined(__native_client__)
++          if (errno != ENOSYS && errno != EINVAL) {
++#endif
+ #ifdef DEBUG
+                perror("utime()");
+ #endif
+                return -1;
++#if !defined(__native_client__)
++          }
++#endif
+        }
+ 
+        /* change permissions */
+@@ -117,6 +140,7 @@ tar_extract_file(TAR *t, char *realname)
                 if (i == 1)
                         i = 0;
         }
 +#ifndef __native_client__
         else if (TH_ISLNK(t))
                 i = tar_extract_hardlink(t, realname);
         else if (TH_ISSYM(t))
-@@ -127,6 +144,7 @@ tar_extract_file(TAR *t, char *realname)
+@@ -127,6 +151,7 @@ tar_extract_file(TAR *t, char *realname)
                 i = tar_extract_blockdev(t, realname);
         else if (TH_ISFIFO(t))
                 i = tar_extract_fifo(t, realname);
 +#endif
         else /* if (TH_ISREG(t)) */
                 i = tar_extract_regfile(t, realname);
  
-@@ -282,6 +300,7 @@ tar_skip_regfile(TAR *t)
+@@ -282,6 +307,7 @@ tar_skip_regfile(TAR *t)
  }
  
  
 +#ifndef __native_client__
  /* hardlink */
  int
  tar_extract_hardlink(TAR * t, char *realname)
-@@ -436,6 +455,7 @@ tar_extract_blockdev(TAR *t, char *realname)
+@@ -436,6 +462,7 @@ tar_extract_blockdev(TAR *t, char *realname)
  
         return 0;
  }
 +#endif
  
  
  /* directory */
-@@ -493,6 +513,7 @@ tar_extract_dir(TAR *t, char *realname)
+@@ -493,6 +520,7 @@ tar_extract_dir(TAR *t, char *realname)
  }
  
  
 +#ifndef __native_client__
  /* FIFO */
  int
  tar_extract_fifo(TAR *t, char *realname)
-@@ -525,5 +546,6 @@ tar_extract_fifo(TAR *t, char *realname)
+@@ -525,5 +553,6 @@ tar_extract_fifo(TAR *t, char *realname)
  
         return 0;
  }
 +#endif
  
  
 diff --git a/lib/output.c b/lib/output.c
 index a2db929..e645db5 100644
 --- a/lib/output.c
 +++ b/lib/output.c
@@ skipping 26 matching lines @@
 +++ b/libtar/Makefile.in
 @@ -16,7 +16,7 @@ PACKAGE_VERSION       = @PACKAGE_VERSION@
  
  ### Installation programs and flags
  INSTALL                = @INSTALL@
 -INSTALL_PROGRAM        = @INSTALL_PROGRAM@ -s
 +INSTALL_PROGRAM        = @INSTALL_PROGRAM@
  INSTALL_DATA   = @INSTALL_DATA@
  LN_S           = @LN_S@
  MKDIR          = @MKDIR@