--- a/build-aux/bootstrap.conf
+++ b/build-aux/bootstrap.conf
@@ -19,17 +19,22 @@
 # gnulib modules used by this package.
 gnulib_modules="
   base64
-  c-strcase
+  canonicalize
+  chdir
+  close
+  closedir
   copysign
   copysignf
-  closedir
   crypto/md5
+  dup2
   fclose
   fcntl
+  fflush
   filemode
+  floor
+  floorf
   fnmatch
   fopen
-  fflush
   fseek
   ftell
   getcwd
@@ -40,23 +45,25 @@
   isatty
   link
   lstat
+  malloc
   mkdir
   mkfifo
   mkostemp
-  mkstemp
   mktime
   nanosleep
   nproc
+  open
   opendir
   pathmax
   progname
   readdir
   readlink
+  realloc
   rename
-  rewinddir
   rmdir
   round
   roundf
+  select
   sigaction
   signal
   sigprocmask
@@ -64,6 +71,7 @@
   stat
   stdint
   stdio
+  strerror
   strftime
   strptime
   symlink

--- a/libgnu/Makefile.am
+++ b/libgnu/Makefile.am
@@ -21,7 +21,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl --lib=libgnu --source-base=libgnu --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --no-conditional-dependencies --libtool --macro-prefix=gl base64 c-strcase closedir copysign copysignf crypto/md5 fclose fcntl fflush filemode fnmatch fopen fseek ftell getcwd gethostname getopt-gnu gettimeofday glob isatty link lstat mkdir mkfifo mkostemp mkstemp mktime nanosleep nproc opendir pathmax progname readdir readlink rename rewinddir rmdir round roundf sigaction signal sigprocmask sleep stat stdint stdio strftime strptime symlink sys_stat sys_time sys_times time times tmpfile trunc truncf unistd unlink vasprintf
+# Reproduce by: gnulib-tool --import --dir=. --local-dir=gl --lib=libgnu --source-base=libgnu --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --no-conditional-dependencies --libtool --macro-prefix=gl base64 canonicalize chdir close closedir copysign copysignf crypto/md5 dup2 fclose fcntl fflush filemode floor floorf fnmatch fopen fseek ftell getcwd gethostname getopt-gnu gettimeofday glob isatty link lstat malloc mkdir mkfifo mkostemp mktime nanosleep nproc open opendir pathmax progname readdir readlink realloc rename rmdir round roundf select sigaction signal sigprocmask sleep stat stdint stdio strerror strftime strptime symlink sys_stat sys_time sys_times time times tmpfile trunc truncf unistd unlink vasprintf
 
 AUTOMAKE_OPTIONS = 1.5 gnits
 
@@ -51,6 +51,7 @@
 libgnu_la_LDFLAGS += -no-undefined
 libgnu_la_LDFLAGS += $(COPYSIGNF_LIBM)
 libgnu_la_LDFLAGS += $(COPYSIGN_LIBM)
+libgnu_la_LDFLAGS += $(FLOORF_LIBM)
 libgnu_la_LDFLAGS += $(FLOOR_LIBM)
 libgnu_la_LDFLAGS += $(GETHOSTNAME_LIB)
 libgnu_la_LDFLAGS += $(LIBSOCKET)
@@ -96,6 +97,14 @@
 
 ## end   gnulib module alloca-opt
 
+## begin gnulib module areadlink-with-size
+
+libgnu_la_SOURCES += areadlink-with-size.c
+
+EXTRA_DIST += areadlink.h
+
+## end   gnulib module areadlink-with-size
+
 ## begin gnulib module at-internal
 
 
@@ -111,17 +120,25 @@
 
 ## end   gnulib module base64
 
+## begin gnulib module bitrotate
+
+libgnu_la_SOURCES += bitrotate.h
+
+## end   gnulib module bitrotate
+
 ## begin gnulib module c-ctype
 
 libgnu_la_SOURCES += c-ctype.h c-ctype.c
 
 ## end   gnulib module c-ctype
 
-## begin gnulib module c-strcase
-
-libgnu_la_SOURCES += c-strcase.h c-strcasecmp.c c-strncasecmp.c
-
-## end   gnulib module c-strcase
+## begin gnulib module canonicalize
+
+libgnu_la_SOURCES += canonicalize.c
+
+EXTRA_DIST += canonicalize.h
+
+## end   gnulib module canonicalize
 
 ## begin gnulib module canonicalize-lgpl
 
@@ -294,6 +311,16 @@
 
 ## end   gnulib module dirfd
 
+## begin gnulib module dirname
+
+libgnu_la_SOURCES += dirname.c basename.c
+
+EXTRA_DIST += stripslash.c
+
+EXTRA_libgnu_la_SOURCES += stripslash.c
+
+## end   gnulib module dirname
+
 ## begin gnulib module dirname-lgpl
 
 libgnu_la_SOURCES += dirname-lgpl.c basename-lgpl.c stripslash.c
@@ -466,6 +493,14 @@
 
 ## end   gnulib module fflush
 
+## begin gnulib module file-set
+
+libgnu_la_SOURCES += file-set.c
+
+EXTRA_DIST += file-set.h
+
+## end   gnulib module file-set
+
 ## begin gnulib module filemode
 
 libgnu_la_SOURCES += filemode.c
@@ -529,6 +564,15 @@
 
 ## end   gnulib module floor
 
+## begin gnulib module floorf
+
+
+EXTRA_DIST += floor.c floorf.c
+
+EXTRA_libgnu_la_SOURCES += floor.c floorf.c
+
+## end   gnulib module floorf
+
 ## begin gnulib module fnmatch
 
 BUILT_SOURCES += $(FNMATCH_H)
@@ -751,6 +795,28 @@
 
 ## end   gnulib module glob
 
+## begin gnulib module hash
+
+libgnu_la_SOURCES += hash.c
+
+EXTRA_DIST += hash.h
+
+## end   gnulib module hash
+
+## begin gnulib module hash-pjw
+
+libgnu_la_SOURCES += hash-pjw.h hash-pjw.c
+
+## end   gnulib module hash-pjw
+
+## begin gnulib module hash-triple
+
+libgnu_la_SOURCES += hash-triple.c
+
+EXTRA_DIST += hash-triple.h
+
+## end   gnulib module hash-triple
+
 ## begin gnulib module intprops
 
 
@@ -895,6 +961,15 @@
 
 ## end   gnulib module lstat
 
+## begin gnulib module malloc-gnu
+
+
+EXTRA_DIST += malloc.c
+
+EXTRA_libgnu_la_SOURCES += malloc.c
+
+## end   gnulib module malloc-gnu
+
 ## begin gnulib module malloc-posix
 
 
@@ -1276,15 +1351,6 @@
 
 ## end   gnulib module mkostemp
 
-## begin gnulib module mkstemp
-
-
-EXTRA_DIST += mkstemp.c
-
-EXTRA_libgnu_la_SOURCES += mkstemp.c
-
-## end   gnulib module mkstemp
-
 ## begin gnulib module mktime
 
 
@@ -1409,6 +1475,15 @@
 
 ## end   gnulib module readlink
 
+## begin gnulib module realloc-gnu
+
+
+EXTRA_DIST += realloc.c
+
+EXTRA_libgnu_la_SOURCES += realloc.c
+
+## end   gnulib module realloc-gnu
+
 ## begin gnulib module realloc-posix
 
 
@@ -1463,6 +1538,14 @@
 
 ## end   gnulib module roundf
 
+## begin gnulib module same
+
+libgnu_la_SOURCES += same.c
+
+EXTRA_DIST += same.h
+
+## end   gnulib module same
+
 ## begin gnulib module same-inode
 
 
@@ -2230,6 +2313,24 @@
 
 ## end   gnulib module strings
 
+## begin gnulib module strndup
+
+
+EXTRA_DIST += strndup.c
+
+EXTRA_libgnu_la_SOURCES += strndup.c
+
+## end   gnulib module strndup
+
+## begin gnulib module strnlen
+
+
+EXTRA_DIST += strnlen.c
+
+EXTRA_libgnu_la_SOURCES += strnlen.c
+
+## end   gnulib module strnlen
+
 ## begin gnulib module strnlen1
 
 libgnu_la_SOURCES += strnlen1.h strnlen1.c
@@ -2970,12 +3071,47 @@
 
 ## end   gnulib module wctype-h
 
+## begin gnulib module xalloc
+
+libgnu_la_SOURCES += xmalloc.c
+
+EXTRA_DIST += xalloc.h
+
+## end   gnulib module xalloc
+
+## begin gnulib module xalloc-die
+
+libgnu_la_SOURCES += xalloc-die.c
+
+## end   gnulib module xalloc-die
+
+## begin gnulib module xalloc-oversized
+
+
+EXTRA_DIST += xalloc-oversized.h
+
+## end   gnulib module xalloc-oversized
+
+## begin gnulib module xgetcwd
+
+libgnu_la_SOURCES += xgetcwd.c
+
+EXTRA_DIST += xgetcwd.h
+
+## end   gnulib module xgetcwd
+
 ## begin gnulib module xsize
 
 libgnu_la_SOURCES += xsize.h
 
 ## end   gnulib module xsize
 
+## begin gnulib module xstrndup
+
+libgnu_la_SOURCES += xstrndup.h xstrndup.c
+
+## end   gnulib module xstrndup
+
 
 mostlyclean-local: mostlyclean-generic
 	@for dir in '' $(MOSTLYCLEANDIRS); do \

--- a/liboctave/link-deps.mk
+++ b/liboctave/link-deps.mk
@@ -1,6 +1,7 @@
 GNULIB_LINK_DEPS = \
   $(COPYSIGNF_LIBM)\
   $(COPYSIGN_LIBM)\
+  $(FLOORF_LIBM)\
   $(FLOOR_LIBM)\
   $(GETHOSTNAME_LIB)\
   $(LIBSOCKET)\

--- a/liboctave/numeric/lo-mappers.cc
+++ b/liboctave/numeric/lo-mappers.cc
@@ -279,10 +279,15 @@
   return gnulib::copysignf (x, y);
 }
 
+float xfloor (float x)
+{
+  return gnulib::floorf (x);
+}
+
 float
 xround (float x)
 {
-  return gnulib::round (x);
+  return gnulib::roundf (x);
 }
 
 float

--- a/liboctave/numeric/lo-mappers.h
+++ b/liboctave/numeric/lo-mappers.h
@@ -119,7 +119,7 @@
 extern OCTAVE_API float xtrunc (float x);
 extern OCTAVE_API float xcopysign (float x, float y);
 inline float xceil (float x) { return ceilf (x); }
-inline float xfloor (float x) { return floorf (x); }
+extern OCTAVE_API float xfloor (float x);
 inline float arg (float x) { return atan2f (0.0f, x); }
 inline float conj (float x) { return x; }
 inline float fix (float x) { return xtrunc (x); }

--- a/liboctave/system/file-ops.cc
+++ b/liboctave/system/file-ops.cc
@@ -37,6 +37,7 @@
 #include <unistd.h>
 
 #include "pathmax.h"
+#include "canonicalize.h"
 
 #include "dir-ops.h"
 #include "file-ops.h"