Auto-commit of generated files.

4 files changed, 486 insertions, 25 deletions

diff --git a/autogen/Makefile.in b/autogen/Makefile.in
index f4bc918fa49..65d3880c027 100644
--- a/autogen/Makefile.in
+++ b/autogen/Makefile.in
@@ -36,7 +36,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --avoid=dup --avoid=errno --avoid=fchdir --avoid=fcntl --avoid=fstat --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow --avoid=open --avoid=openat-die --avoid=opendir --avoid=raise --avoid=save-cwd --avoid=select --avoid=sigprocmask --avoid=sys_types --avoid=threadlib --makefile-name=gnulib.mk --conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca-opt c-ctype c-strcase careadlinkat close-stream crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dtotimespec dup2 environ execinfo faccessat fcntl-h fdopendir filemode fstatat getloadavg getopt-gnu gettime gettimeofday ignore-value intprops largefile lstat manywarnings mktime pselect pthread_sigmask putenv readlink readlinkat sig2str socklen stat-time stdalign stdarg stdbool stdio strftime strtoimax strtoumax symlink sys_stat sys_time time timer-time timespec-add timespec-sub unsetenv utimens warnings
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --avoid=dup --avoid=errno --avoid=fchdir --avoid=fcntl --avoid=fstat --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow --avoid=open --avoid=openat-die --avoid=opendir --avoid=raise --avoid=save-cwd --avoid=select --avoid=sigprocmask --avoid=sys_types --avoid=threadlib --makefile-name=gnulib.mk --conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca-opt c-ctype c-strcase careadlinkat close-stream crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dtotimespec dup2 environ execinfo faccessat fcntl-h fdopendir filemode fstatat getloadavg getopt-gnu gettime gettimeofday ignore-value intprops largefile lstat manywarnings memrchr mktime pselect pthread_sigmask putenv readlink readlinkat sig2str socklen stat-time stdalign stdarg stdbool stdio strftime strtoimax strtoumax symlink sys_stat sys_time time timer-time timespec-add timespec-sub unsetenv utimens warnings
 
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
@@ -82,10 +82,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/00gnulib.m4 \
         $(top_srcdir)/m4/include_next.m4 $(top_srcdir)/m4/inttypes.m4 \
         $(top_srcdir)/m4/largefile.m4 $(top_srcdir)/m4/longlong.m4 \
         $(top_srcdir)/m4/lstat.m4 $(top_srcdir)/m4/manywarnings.m4 \
-        $(top_srcdir)/m4/md5.m4 $(top_srcdir)/m4/mktime.m4 \
-        $(top_srcdir)/m4/multiarch.m4 $(top_srcdir)/m4/nocrash.m4 \
-        $(top_srcdir)/m4/off_t.m4 $(top_srcdir)/m4/pathmax.m4 \
-        $(top_srcdir)/m4/pselect.m4 \
+        $(top_srcdir)/m4/md5.m4 $(top_srcdir)/m4/memrchr.m4 \
+        $(top_srcdir)/m4/mktime.m4 $(top_srcdir)/m4/multiarch.m4 \
+        $(top_srcdir)/m4/nocrash.m4 $(top_srcdir)/m4/off_t.m4 \
+        $(top_srcdir)/m4/pathmax.m4 $(top_srcdir)/m4/pselect.m4 \
         $(top_srcdir)/m4/pthread_sigmask.m4 $(top_srcdir)/m4/putenv.m4 \
         $(top_srcdir)/m4/readlink.m4 $(top_srcdir)/m4/readlinkat.m4 \
         $(top_srcdir)/m4/setenv.m4 $(top_srcdir)/m4/sha1.m4 \
@@ -97,10 +97,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/00gnulib.m4 \
         $(top_srcdir)/m4/stdarg.m4 $(top_srcdir)/m4/stdbool.m4 \
         $(top_srcdir)/m4/stddef_h.m4 $(top_srcdir)/m4/stdint.m4 \
         $(top_srcdir)/m4/stdio_h.m4 $(top_srcdir)/m4/stdlib_h.m4 \
-        $(top_srcdir)/m4/strftime.m4 $(top_srcdir)/m4/strtoimax.m4 \
-        $(top_srcdir)/m4/strtoll.m4 $(top_srcdir)/m4/strtoull.m4 \
-        $(top_srcdir)/m4/strtoumax.m4 $(top_srcdir)/m4/symlink.m4 \
-        $(top_srcdir)/m4/sys_select_h.m4 \
+        $(top_srcdir)/m4/strftime.m4 $(top_srcdir)/m4/string_h.m4 \
+        $(top_srcdir)/m4/strtoimax.m4 $(top_srcdir)/m4/strtoll.m4 \
+        $(top_srcdir)/m4/strtoull.m4 $(top_srcdir)/m4/strtoumax.m4 \
+        $(top_srcdir)/m4/symlink.m4 $(top_srcdir)/m4/sys_select_h.m4 \
         $(top_srcdir)/m4/sys_socket_h.m4 \
         $(top_srcdir)/m4/sys_stat_h.m4 $(top_srcdir)/m4/sys_time_h.m4 \
         $(top_srcdir)/m4/time_h.m4 $(top_srcdir)/m4/time_r.m4 \
@@ -229,6 +229,8 @@ GNULIB_FDATASYNC = @GNULIB_FDATASYNC@
 GNULIB_FDOPEN = @GNULIB_FDOPEN@
 GNULIB_FDOPENDIR = @GNULIB_FDOPENDIR@
 GNULIB_FFLUSH = @GNULIB_FFLUSH@
+GNULIB_FFSL = @GNULIB_FFSL@
+GNULIB_FFSLL = @GNULIB_FFSLL@
 GNULIB_FGETC = @GNULIB_FGETC@
 GNULIB_FGETS = @GNULIB_FGETS@
 GNULIB_FOPEN = @GNULIB_FOPEN@
@@ -279,7 +281,25 @@ GNULIB_LINKAT = @GNULIB_LINKAT@
 GNULIB_LSEEK = @GNULIB_LSEEK@
 GNULIB_LSTAT = @GNULIB_LSTAT@
 GNULIB_MALLOC_POSIX = @GNULIB_MALLOC_POSIX@
+GNULIB_MBSCASECMP = @GNULIB_MBSCASECMP@
+GNULIB_MBSCASESTR = @GNULIB_MBSCASESTR@
+GNULIB_MBSCHR = @GNULIB_MBSCHR@
+GNULIB_MBSCSPN = @GNULIB_MBSCSPN@
+GNULIB_MBSLEN = @GNULIB_MBSLEN@
+GNULIB_MBSNCASECMP = @GNULIB_MBSNCASECMP@
+GNULIB_MBSNLEN = @GNULIB_MBSNLEN@
+GNULIB_MBSPBRK = @GNULIB_MBSPBRK@
+GNULIB_MBSPCASECMP = @GNULIB_MBSPCASECMP@
+GNULIB_MBSRCHR = @GNULIB_MBSRCHR@
+GNULIB_MBSSEP = @GNULIB_MBSSEP@
+GNULIB_MBSSPN = @GNULIB_MBSSPN@
+GNULIB_MBSSTR = @GNULIB_MBSSTR@
+GNULIB_MBSTOK_R = @GNULIB_MBSTOK_R@
 GNULIB_MBTOWC = @GNULIB_MBTOWC@
+GNULIB_MEMCHR = @GNULIB_MEMCHR@
+GNULIB_MEMMEM = @GNULIB_MEMMEM@
+GNULIB_MEMPCPY = @GNULIB_MEMPCPY@
+GNULIB_MEMRCHR = @GNULIB_MEMRCHR@
 GNULIB_MKDIRAT = @GNULIB_MKDIRAT@
 GNULIB_MKDTEMP = @GNULIB_MKDTEMP@
 GNULIB_MKFIFO = @GNULIB_MKFIFO@
@@ -319,6 +339,7 @@ GNULIB_PWRITE = @GNULIB_PWRITE@
 GNULIB_RAISE = @GNULIB_RAISE@
 GNULIB_RANDOM = @GNULIB_RANDOM@
 GNULIB_RANDOM_R = @GNULIB_RANDOM_R@
+GNULIB_RAWMEMCHR = @GNULIB_RAWMEMCHR@
 GNULIB_READ = @GNULIB_READ@
 GNULIB_READDIR = @GNULIB_READDIR@
 GNULIB_READLINK = @GNULIB_READLINK@
@@ -346,12 +367,28 @@ GNULIB_SPRINTF_POSIX = @GNULIB_SPRINTF_POSIX@
 GNULIB_STAT = @GNULIB_STAT@
 GNULIB_STDIO_H_NONBLOCKING = @GNULIB_STDIO_H_NONBLOCKING@
 GNULIB_STDIO_H_SIGPIPE = @GNULIB_STDIO_H_SIGPIPE@
+GNULIB_STPCPY = @GNULIB_STPCPY@
+GNULIB_STPNCPY = @GNULIB_STPNCPY@
+GNULIB_STRCASESTR = @GNULIB_STRCASESTR@
+GNULIB_STRCHRNUL = @GNULIB_STRCHRNUL@
+GNULIB_STRDUP = @GNULIB_STRDUP@
+GNULIB_STRERROR = @GNULIB_STRERROR@
+GNULIB_STRERROR_R = @GNULIB_STRERROR_R@
+GNULIB_STRNCAT = @GNULIB_STRNCAT@
+GNULIB_STRNDUP = @GNULIB_STRNDUP@
+GNULIB_STRNLEN = @GNULIB_STRNLEN@
+GNULIB_STRPBRK = @GNULIB_STRPBRK@
 GNULIB_STRPTIME = @GNULIB_STRPTIME@
+GNULIB_STRSEP = @GNULIB_STRSEP@
+GNULIB_STRSIGNAL = @GNULIB_STRSIGNAL@
+GNULIB_STRSTR = @GNULIB_STRSTR@
 GNULIB_STRTOD = @GNULIB_STRTOD@
 GNULIB_STRTOIMAX = @GNULIB_STRTOIMAX@
+GNULIB_STRTOK_R = @GNULIB_STRTOK_R@
 GNULIB_STRTOLL = @GNULIB_STRTOLL@
 GNULIB_STRTOULL = @GNULIB_STRTOULL@
 GNULIB_STRTOUMAX = @GNULIB_STRTOUMAX@
+GNULIB_STRVERSCMP = @GNULIB_STRVERSCMP@
 GNULIB_SYMLINK = @GNULIB_SYMLINK@
 GNULIB_SYMLINKAT = @GNULIB_SYMLINKAT@
 GNULIB_SYSTEM_POSIX = @GNULIB_SYSTEM_POSIX@
@@ -416,11 +453,19 @@ HAVE_DECL_GETUSERSHELL = @HAVE_DECL_GETUSERSHELL@
 HAVE_DECL_IMAXABS = @HAVE_DECL_IMAXABS@
 HAVE_DECL_IMAXDIV = @HAVE_DECL_IMAXDIV@
 HAVE_DECL_LOCALTIME_R = @HAVE_DECL_LOCALTIME_R@
+HAVE_DECL_MEMMEM = @HAVE_DECL_MEMMEM@
+HAVE_DECL_MEMRCHR = @HAVE_DECL_MEMRCHR@
 HAVE_DECL_OBSTACK_PRINTF = @HAVE_DECL_OBSTACK_PRINTF@
 HAVE_DECL_SETENV = @HAVE_DECL_SETENV@
 HAVE_DECL_SETHOSTNAME = @HAVE_DECL_SETHOSTNAME@
 HAVE_DECL_SNPRINTF = @HAVE_DECL_SNPRINTF@
+HAVE_DECL_STRDUP = @HAVE_DECL_STRDUP@
+HAVE_DECL_STRERROR_R = @HAVE_DECL_STRERROR_R@
+HAVE_DECL_STRNDUP = @HAVE_DECL_STRNDUP@
+HAVE_DECL_STRNLEN = @HAVE_DECL_STRNLEN@
+HAVE_DECL_STRSIGNAL = @HAVE_DECL_STRSIGNAL@
 HAVE_DECL_STRTOIMAX = @HAVE_DECL_STRTOIMAX@
+HAVE_DECL_STRTOK_R = @HAVE_DECL_STRTOK_R@
 HAVE_DECL_STRTOUMAX = @HAVE_DECL_STRTOUMAX@
 HAVE_DECL_TTYNAME_R = @HAVE_DECL_TTYNAME_R@
 HAVE_DECL_UNSETENV = @HAVE_DECL_UNSETENV@
@@ -437,6 +482,8 @@ HAVE_FCHOWNAT = @HAVE_FCHOWNAT@
 HAVE_FCNTL = @HAVE_FCNTL@
 HAVE_FDATASYNC = @HAVE_FDATASYNC@
 HAVE_FDOPENDIR = @HAVE_FDOPENDIR@
+HAVE_FFSL = @HAVE_FFSL@
+HAVE_FFSLL = @HAVE_FFSLL@
 HAVE_FSEEKO = @HAVE_FSEEKO@
 HAVE_FSTATAT = @HAVE_FSTATAT@
 HAVE_FSYNC = @HAVE_FSYNC@
@@ -461,6 +508,9 @@ HAVE_LINKAT = @HAVE_LINKAT@
 HAVE_LONG_LONG_INT = @HAVE_LONG_LONG_INT@
 HAVE_LSTAT = @HAVE_LSTAT@
 HAVE_MAKEINFO = @HAVE_MAKEINFO@
+HAVE_MBSLEN = @HAVE_MBSLEN@
+HAVE_MEMCHR = @HAVE_MEMCHR@
+HAVE_MEMPCPY = @HAVE_MEMPCPY@
 HAVE_MKDIRAT = @HAVE_MKDIRAT@
 HAVE_MKDTEMP = @HAVE_MKDTEMP@
 HAVE_MKFIFO = @HAVE_MKFIFO@
@@ -491,6 +541,7 @@ HAVE_RAISE = @HAVE_RAISE@
 HAVE_RANDOM = @HAVE_RANDOM@
 HAVE_RANDOM_H = @HAVE_RANDOM_H@
 HAVE_RANDOM_R = @HAVE_RANDOM_R@
+HAVE_RAWMEMCHR = @HAVE_RAWMEMCHR@
 HAVE_READDIR = @HAVE_READDIR@
 HAVE_READLINK = @HAVE_READLINK@
 HAVE_READLINKAT = @HAVE_READLINKAT@
@@ -511,13 +562,20 @@ HAVE_SIGNED_WINT_T = @HAVE_SIGNED_WINT_T@
 HAVE_SIGSET_T = @HAVE_SIGSET_T@
 HAVE_SLEEP = @HAVE_SLEEP@
 HAVE_STDINT_H = @HAVE_STDINT_H@
+HAVE_STPCPY = @HAVE_STPCPY@
+HAVE_STPNCPY = @HAVE_STPNCPY@
+HAVE_STRCASESTR = @HAVE_STRCASESTR@
+HAVE_STRCHRNUL = @HAVE_STRCHRNUL@
+HAVE_STRPBRK = @HAVE_STRPBRK@
 HAVE_STRPTIME = @HAVE_STRPTIME@
+HAVE_STRSEP = @HAVE_STRSEP@
 HAVE_STRTOD = @HAVE_STRTOD@
 HAVE_STRTOLL = @HAVE_STRTOLL@
 HAVE_STRTOULL = @HAVE_STRTOULL@
 HAVE_STRUCT_RANDOM_DATA = @HAVE_STRUCT_RANDOM_DATA@
 HAVE_STRUCT_SIGACTION_SA_SIGACTION = @HAVE_STRUCT_SIGACTION_SA_SIGACTION@
 HAVE_STRUCT_TIMEVAL = @HAVE_STRUCT_TIMEVAL@
+HAVE_STRVERSCMP = @HAVE_STRVERSCMP@
 HAVE_SYMLINK = @HAVE_SYMLINK@
 HAVE_SYMLINKAT = @HAVE_SYMLINKAT@
 HAVE_SYS_BITYPES_H = @HAVE_SYS_BITYPES_H@
@@ -625,6 +683,7 @@ NEXT_AS_FIRST_DIRECTIVE_STDDEF_H = @NEXT_AS_FIRST_DIRECTIVE_STDDEF_H@
 NEXT_AS_FIRST_DIRECTIVE_STDINT_H = @NEXT_AS_FIRST_DIRECTIVE_STDINT_H@
 NEXT_AS_FIRST_DIRECTIVE_STDIO_H = @NEXT_AS_FIRST_DIRECTIVE_STDIO_H@
 NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
+NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
 NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H@
 NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
 NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
@@ -640,6 +699,7 @@ NEXT_STDDEF_H = @NEXT_STDDEF_H@
 NEXT_STDINT_H = @NEXT_STDINT_H@
 NEXT_STDIO_H = @NEXT_STDIO_H@
 NEXT_STDLIB_H = @NEXT_STDLIB_H@
+NEXT_STRING_H = @NEXT_STRING_H@
 NEXT_SYS_SELECT_H = @NEXT_SYS_SELECT_H@
 NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
 NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
@@ -717,6 +777,8 @@ REPLACE_LSEEK = @REPLACE_LSEEK@
 REPLACE_LSTAT = @REPLACE_LSTAT@
 REPLACE_MALLOC = @REPLACE_MALLOC@
 REPLACE_MBTOWC = @REPLACE_MBTOWC@
+REPLACE_MEMCHR = @REPLACE_MEMCHR@
+REPLACE_MEMMEM = @REPLACE_MEMMEM@
 REPLACE_MKDIR = @REPLACE_MKDIR@
 REPLACE_MKFIFO = @REPLACE_MKFIFO@
 REPLACE_MKNOD = @REPLACE_MKNOD@
@@ -756,8 +818,20 @@ REPLACE_SPRINTF = @REPLACE_SPRINTF@
 REPLACE_STAT = @REPLACE_STAT@
 REPLACE_STDIO_READ_FUNCS = @REPLACE_STDIO_READ_FUNCS@
 REPLACE_STDIO_WRITE_FUNCS = @REPLACE_STDIO_WRITE_FUNCS@
+REPLACE_STPNCPY = @REPLACE_STPNCPY@
+REPLACE_STRCASESTR = @REPLACE_STRCASESTR@
+REPLACE_STRCHRNUL = @REPLACE_STRCHRNUL@
+REPLACE_STRDUP = @REPLACE_STRDUP@
+REPLACE_STRERROR = @REPLACE_STRERROR@
+REPLACE_STRERROR_R = @REPLACE_STRERROR_R@
+REPLACE_STRNCAT = @REPLACE_STRNCAT@
+REPLACE_STRNDUP = @REPLACE_STRNDUP@
+REPLACE_STRNLEN = @REPLACE_STRNLEN@
+REPLACE_STRSIGNAL = @REPLACE_STRSIGNAL@
+REPLACE_STRSTR = @REPLACE_STRSTR@
 REPLACE_STRTOD = @REPLACE_STRTOD@
 REPLACE_STRTOIMAX = @REPLACE_STRTOIMAX@
+REPLACE_STRTOK_R = @REPLACE_STRTOK_R@
 REPLACE_STRUCT_TIMEVAL = @REPLACE_STRUCT_TIMEVAL@
 REPLACE_SYMLINK = @REPLACE_SYMLINK@
 REPLACE_TIMEGM = @REPLACE_TIMEGM@
@@ -798,6 +872,7 @@ TIME_H_DEFINES_STRUCT_TIMESPEC = @TIME_H_DEFINES_STRUCT_TIMESPEC@
 TOOLKIT_LIBW = @TOOLKIT_LIBW@
 UINT32_MAX_LT_UINTMAX_MAX = @UINT32_MAX_LT_UINTMAX_MAX@
 UINT64_MAX_EQ_ULONG_MAX = @UINT64_MAX_EQ_ULONG_MAX@
+UNDEFINE_STRTOK_R = @UNDEFINE_STRTOK_R@
 UNEXEC_OBJ = @UNEXEC_OBJ@
 UNISTD_H_HAVE_WINSOCK2_H = @UNISTD_H_HAVE_WINSOCK2_H@
 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS = @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
@@ -912,8 +987,8 @@ x_default_search_path = @x_default_search_path@
 BUILT_SOURCES = $(ALLOCA_H) dirent.h $(EXECINFO_H) fcntl.h $(GETOPT_H) \
         inttypes.h signal.h arg-nonnull.h c++defs.h warn-on-use.h \
         $(STDALIGN_H) $(STDARG_H) $(STDBOOL_H) $(STDDEF_H) $(STDINT_H) \
-        stdio.h stdlib.h sys/select.h sys/stat.h sys/time.h time.h \
-        unistd.h
+        stdio.h stdlib.h string.h sys/select.h sys/stat.h sys/time.h \
+        time.h unistd.h
 EXTRA_DIST = alloca.in.h allocator.h openat-priv.h openat-proc.c \
         careadlinkat.h close-stream.h md5.h sha1.h sha256.h sha512.h \
         dirent.in.h dosname.h ftoastr.c ftoastr.h dup2.c euidaccess.c \
@@ -921,7 +996,7 @@ EXTRA_DIST = alloca.in.h allocator.h openat-priv.h openat-proc.c \
         fdopendir.c filemode.h fpending.c fpending.h at-func.c \
         fstatat.c getgroups.c getloadavg.c getopt.c getopt.in.h \
         getopt1.c getopt_int.h gettimeofday.c group-member.c \
-        ignore-value.h intprops.h inttypes.in.h lstat.c \
+        ignore-value.h intprops.h inttypes.in.h lstat.c memrchr.c \
         mktime-internal.h mktime.c openat.h pathmax.h pselect.c \
         pthread_sigmask.c putenv.c readlink.c at-func.c readlinkat.c \
         root-uid.h sig2str.c sig2str.h signal.in.h \
@@ -930,11 +1005,12 @@ EXTRA_DIST = alloca.in.h allocator.h openat-priv.h openat-proc.c \
         $(top_srcdir)/build-aux/snippet/c++defs.h \
         $(top_srcdir)/build-aux/snippet/warn-on-use.h stat.c \
         stat-time.h stdalign.in.h stdarg.in.h stdbool.in.h stddef.in.h \
-        stdint.in.h stdio.in.h stdlib.in.h strftime.h strtoimax.c \
-        strtol.c strtoll.c strtol.c strtoul.c strtoull.c strtoimax.c \
-        strtoumax.c symlink.c sys_select.in.h sys_stat.in.h \
-        sys_time.in.h time.in.h time_r.c timespec.h u64.h unistd.in.h \
-        unsetenv.c utimens.h verify.h xalloc-oversized.h
+        stdint.in.h stdio.in.h stdlib.in.h strftime.h string.in.h \
+        strtoimax.c strtol.c strtoll.c strtol.c strtoul.c strtoull.c \
+        strtoimax.c strtoumax.c symlink.c sys_select.in.h \
+        sys_stat.in.h sys_time.in.h time.in.h time_r.c timespec.h \
+        u64.h unistd.in.h unsetenv.c utimens.h verify.h \
+        xalloc-oversized.h
 MOSTLYCLEANDIRS = sys sys
 MOSTLYCLEANFILES = core *.stackdump alloca.h alloca.h-t dirent.h \
         dirent.h-t execinfo.h execinfo.h-t fcntl.h fcntl.h-t getopt.h \
@@ -942,9 +1018,9 @@ MOSTLYCLEANFILES = core *.stackdump alloca.h alloca.h-t dirent.h \
         arg-nonnull.h arg-nonnull.h-t c++defs.h c++defs.h-t \
         warn-on-use.h warn-on-use.h-t stdalign.h stdalign.h-t stdarg.h \
         stdarg.h-t stdbool.h stdbool.h-t stddef.h stddef.h-t stdint.h \
-        stdint.h-t stdio.h stdio.h-t stdlib.h stdlib.h-t sys/select.h \
-        sys/select.h-t sys/stat.h sys/stat.h-t sys/time.h sys/time.h-t \
-        time.h time.h-t unistd.h unistd.h-t
+        stdint.h-t stdio.h stdio.h-t stdlib.h stdlib.h-t string.h \
+        string.h-t sys/select.h sys/select.h-t sys/stat.h sys/stat.h-t \
+        sys/time.h sys/time.h-t time.h time.h-t unistd.h unistd.h-t
 noinst_LIBRARIES = libgnu.a
 AM_CFLAGS = $(GNULIB_WARN_CFLAGS) $(WERROR_CFLAGS)
 DEFAULT_INCLUDES = -I. -I$(top_srcdir)/lib -I../src -I$(top_srcdir)/src
@@ -959,11 +1035,11 @@ libgnu_a_DEPENDENCIES = $(gl_LIBOBJS)
 EXTRA_libgnu_a_SOURCES = openat-proc.c ftoastr.c dup2.c euidaccess.c \
         execinfo.c at-func.c faccessat.c fdopendir.c fpending.c \
         at-func.c fstatat.c getgroups.c getloadavg.c getopt.c \
-        getopt1.c gettimeofday.c group-member.c lstat.c mktime.c \
-        pselect.c pthread_sigmask.c putenv.c readlink.c at-func.c \
-        readlinkat.c sig2str.c stat.c strtoimax.c strtol.c strtoll.c \
-        strtol.c strtoul.c strtoull.c strtoimax.c strtoumax.c \
-        symlink.c time_r.c unsetenv.c
+        getopt1.c gettimeofday.c group-member.c lstat.c memrchr.c \
+        mktime.c pselect.c pthread_sigmask.c putenv.c readlink.c \
+        at-func.c readlinkat.c sig2str.c stat.c strtoimax.c strtol.c \
+        strtoll.c strtol.c strtoul.c strtoull.c strtoimax.c \
+        strtoumax.c symlink.c time_r.c unsetenv.c
 
 # Because this Makefile snippet defines a variable used by other
 # gnulib Makefile snippets, it must be present in all Makefile.am that
@@ -1048,6 +1124,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/group-member.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lstat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/md5.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/memrchr.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mktime.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/openat-die.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/openat-proc.Po@am__quote@
@@ -1799,6 +1876,97 @@ stdlib.h: stdlib.in.h $(top_builddir)/config.status $(CXXDEFS_H) \
         } > $@-t && \
         mv $@-t $@
 
+# We need the following in order to create <string.h> when the system
+# doesn't have one that works with the given compiler.
+string.h: string.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
+        $(AM_V_GEN)rm -f $@-t $@ && \
+        { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
+          sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+              -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+              -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+              -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+              -e 's|@''NEXT_STRING_H''@|$(NEXT_STRING_H)|g' \
+              -e 's/@''GNULIB_FFSL''@/$(GNULIB_FFSL)/g' \
+              -e 's/@''GNULIB_FFSLL''@/$(GNULIB_FFSLL)/g' \
+              -e 's/@''GNULIB_MBSLEN''@/$(GNULIB_MBSLEN)/g' \
+              -e 's/@''GNULIB_MBSNLEN''@/$(GNULIB_MBSNLEN)/g' \
+              -e 's/@''GNULIB_MBSCHR''@/$(GNULIB_MBSCHR)/g' \
+              -e 's/@''GNULIB_MBSRCHR''@/$(GNULIB_MBSRCHR)/g' \
+              -e 's/@''GNULIB_MBSSTR''@/$(GNULIB_MBSSTR)/g' \
+              -e 's/@''GNULIB_MBSCASECMP''@/$(GNULIB_MBSCASECMP)/g' \
+              -e 's/@''GNULIB_MBSNCASECMP''@/$(GNULIB_MBSNCASECMP)/g' \
+              -e 's/@''GNULIB_MBSPCASECMP''@/$(GNULIB_MBSPCASECMP)/g' \
+              -e 's/@''GNULIB_MBSCASESTR''@/$(GNULIB_MBSCASESTR)/g' \
+              -e 's/@''GNULIB_MBSCSPN''@/$(GNULIB_MBSCSPN)/g' \
+              -e 's/@''GNULIB_MBSPBRK''@/$(GNULIB_MBSPBRK)/g' \
+              -e 's/@''GNULIB_MBSSPN''@/$(GNULIB_MBSSPN)/g' \
+              -e 's/@''GNULIB_MBSSEP''@/$(GNULIB_MBSSEP)/g' \
+              -e 's/@''GNULIB_MBSTOK_R''@/$(GNULIB_MBSTOK_R)/g' \
+              -e 's/@''GNULIB_MEMCHR''@/$(GNULIB_MEMCHR)/g' \
+              -e 's/@''GNULIB_MEMMEM''@/$(GNULIB_MEMMEM)/g' \
+              -e 's/@''GNULIB_MEMPCPY''@/$(GNULIB_MEMPCPY)/g' \
+              -e 's/@''GNULIB_MEMRCHR''@/$(GNULIB_MEMRCHR)/g' \
+              -e 's/@''GNULIB_RAWMEMCHR''@/$(GNULIB_RAWMEMCHR)/g' \
+              -e 's/@''GNULIB_STPCPY''@/$(GNULIB_STPCPY)/g' \
+              -e 's/@''GNULIB_STPNCPY''@/$(GNULIB_STPNCPY)/g' \
+              -e 's/@''GNULIB_STRCHRNUL''@/$(GNULIB_STRCHRNUL)/g' \
+              -e 's/@''GNULIB_STRDUP''@/$(GNULIB_STRDUP)/g' \
+              -e 's/@''GNULIB_STRNCAT''@/$(GNULIB_STRNCAT)/g' \
+              -e 's/@''GNULIB_STRNDUP''@/$(GNULIB_STRNDUP)/g' \
+              -e 's/@''GNULIB_STRNLEN''@/$(GNULIB_STRNLEN)/g' \
+              -e 's/@''GNULIB_STRPBRK''@/$(GNULIB_STRPBRK)/g' \
+              -e 's/@''GNULIB_STRSEP''@/$(GNULIB_STRSEP)/g' \
+              -e 's/@''GNULIB_STRSTR''@/$(GNULIB_STRSTR)/g' \
+              -e 's/@''GNULIB_STRCASESTR''@/$(GNULIB_STRCASESTR)/g' \
+              -e 's/@''GNULIB_STRTOK_R''@/$(GNULIB_STRTOK_R)/g' \
+              -e 's/@''GNULIB_STRERROR''@/$(GNULIB_STRERROR)/g' \
+              -e 's/@''GNULIB_STRERROR_R''@/$(GNULIB_STRERROR_R)/g' \
+              -e 's/@''GNULIB_STRSIGNAL''@/$(GNULIB_STRSIGNAL)/g' \
+              -e 's/@''GNULIB_STRVERSCMP''@/$(GNULIB_STRVERSCMP)/g' \
+              < $(srcdir)/string.in.h | \
+          sed -e 's|@''HAVE_FFSL''@|$(HAVE_FFSL)|g' \
+              -e 's|@''HAVE_FFSLL''@|$(HAVE_FFSLL)|g' \
+              -e 's|@''HAVE_MBSLEN''@|$(HAVE_MBSLEN)|g' \
+              -e 's|@''HAVE_MEMCHR''@|$(HAVE_MEMCHR)|g' \
+              -e 's|@''HAVE_DECL_MEMMEM''@|$(HAVE_DECL_MEMMEM)|g' \
+              -e 's|@''HAVE_MEMPCPY''@|$(HAVE_MEMPCPY)|g' \
+              -e 's|@''HAVE_DECL_MEMRCHR''@|$(HAVE_DECL_MEMRCHR)|g' \
+              -e 's|@''HAVE_RAWMEMCHR''@|$(HAVE_RAWMEMCHR)|g' \
+              -e 's|@''HAVE_STPCPY''@|$(HAVE_STPCPY)|g' \
+              -e 's|@''HAVE_STPNCPY''@|$(HAVE_STPNCPY)|g' \
+              -e 's|@''HAVE_STRCHRNUL''@|$(HAVE_STRCHRNUL)|g' \
+              -e 's|@''HAVE_DECL_STRDUP''@|$(HAVE_DECL_STRDUP)|g' \
+              -e 's|@''HAVE_DECL_STRNDUP''@|$(HAVE_DECL_STRNDUP)|g' \
+              -e 's|@''HAVE_DECL_STRNLEN''@|$(HAVE_DECL_STRNLEN)|g' \
+              -e 's|@''HAVE_STRPBRK''@|$(HAVE_STRPBRK)|g' \
+              -e 's|@''HAVE_STRSEP''@|$(HAVE_STRSEP)|g' \
+              -e 's|@''HAVE_STRCASESTR''@|$(HAVE_STRCASESTR)|g' \
+              -e 's|@''HAVE_DECL_STRTOK_R''@|$(HAVE_DECL_STRTOK_R)|g' \
+              -e 's|@''HAVE_DECL_STRERROR_R''@|$(HAVE_DECL_STRERROR_R)|g' \
+              -e 's|@''HAVE_DECL_STRSIGNAL''@|$(HAVE_DECL_STRSIGNAL)|g' \
+              -e 's|@''HAVE_STRVERSCMP''@|$(HAVE_STRVERSCMP)|g' \
+              -e 's|@''REPLACE_STPNCPY''@|$(REPLACE_STPNCPY)|g' \
+              -e 's|@''REPLACE_MEMCHR''@|$(REPLACE_MEMCHR)|g' \
+              -e 's|@''REPLACE_MEMMEM''@|$(REPLACE_MEMMEM)|g' \
+              -e 's|@''REPLACE_STRCASESTR''@|$(REPLACE_STRCASESTR)|g' \
+              -e 's|@''REPLACE_STRCHRNUL''@|$(REPLACE_STRCHRNUL)|g' \
+              -e 's|@''REPLACE_STRDUP''@|$(REPLACE_STRDUP)|g' \
+              -e 's|@''REPLACE_STRSTR''@|$(REPLACE_STRSTR)|g' \
+              -e 's|@''REPLACE_STRERROR''@|$(REPLACE_STRERROR)|g' \
+              -e 's|@''REPLACE_STRERROR_R''@|$(REPLACE_STRERROR_R)|g' \
+              -e 's|@''REPLACE_STRNCAT''@|$(REPLACE_STRNCAT)|g' \
+              -e 's|@''REPLACE_STRNDUP''@|$(REPLACE_STRNDUP)|g' \
+              -e 's|@''REPLACE_STRNLEN''@|$(REPLACE_STRNLEN)|g' \
+              -e 's|@''REPLACE_STRSIGNAL''@|$(REPLACE_STRSIGNAL)|g' \
+              -e 's|@''REPLACE_STRTOK_R''@|$(REPLACE_STRTOK_R)|g' \
+              -e 's|@''UNDEFINE_STRTOK_R''@|$(UNDEFINE_STRTOK_R)|g' \
+              -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+              -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
+              -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)'; \
+              < $(srcdir)/string.in.h; \
+        } > $@-t && \
+        mv $@-t $@
+
 # We need the following in order to create <sys/select.h> when the system
 # doesn't have one that works with the given compiler.
 sys/select.h: sys_select.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H)
diff --git a/autogen/aclocal.m4 b/autogen/aclocal.m4
index 0f0873ef974..8065a9e643b 100644
--- a/autogen/aclocal.m4
+++ b/autogen/aclocal.m4
@@ -1017,6 +1017,7 @@ m4_include([m4/longlong.m4])
 m4_include([m4/lstat.m4])
 m4_include([m4/manywarnings.m4])
 m4_include([m4/md5.m4])
+m4_include([m4/memrchr.m4])
 m4_include([m4/mktime.m4])
 m4_include([m4/multiarch.m4])
 m4_include([m4/nocrash.m4])
@@ -1046,6 +1047,7 @@ m4_include([m4/stdint.m4])
 m4_include([m4/stdio_h.m4])
 m4_include([m4/stdlib_h.m4])
 m4_include([m4/strftime.m4])
+m4_include([m4/string_h.m4])
 m4_include([m4/strtoimax.m4])
 m4_include([m4/strtoll.m4])
 m4_include([m4/strtoull.m4])
diff --git a/autogen/config.in b/autogen/config.in
index be52b323fcb..0492fc20110 100644
--- a/autogen/config.in
+++ b/autogen/config.in
@@ -292,6 +292,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    don't. */
 #undef HAVE_DECL_LOCALTIME_R
 
+/* Define to 1 if you have the declaration of `memrchr', and to 0 if you
+   don't. */
+#undef HAVE_DECL_MEMRCHR
+
 /* Define to 1 if you have the declaration of `strmode', and to 0 if you
    don't. */
 #undef HAVE_DECL_STRMODE
@@ -693,6 +697,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 
+/* Define to 1 if you have the `memrchr' function. */
+#undef HAVE_MEMRCHR
+
 /* Define to 1 if you have mouse menus. (This is automatic if you use X, but
    the option to specify it remains.) It is also defined with other window
    systems that support xmenu.c. */
diff --git a/autogen/configure b/autogen/configure
index 3183fe3a382..8f58b87ab20 100755
--- a/autogen/configure
+++ b/autogen/configure
@@ -655,6 +655,8 @@ NEXT_TIME_H
 WINDOWS_64_BIT_ST_SIZE
 NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H
 NEXT_SYS_STAT_H
+NEXT_AS_FIRST_DIRECTIVE_STRING_H
+NEXT_STRING_H
 NEXT_AS_FIRST_DIRECTIVE_STDLIB_H
 NEXT_STDLIB_H
 NEXT_AS_FIRST_DIRECTIVE_STDIO_H
@@ -819,6 +821,79 @@ GNULIB_TIMEGM
 GNULIB_STRPTIME
 GNULIB_NANOSLEEP
 GNULIB_MKTIME
+UNDEFINE_STRTOK_R
+REPLACE_STRTOK_R
+REPLACE_STRSIGNAL
+REPLACE_STRNLEN
+REPLACE_STRNDUP
+REPLACE_STRNCAT
+REPLACE_STRERROR_R
+REPLACE_STRERROR
+REPLACE_STRCHRNUL
+REPLACE_STRCASESTR
+REPLACE_STRSTR
+REPLACE_STRDUP
+REPLACE_STPNCPY
+REPLACE_MEMMEM
+REPLACE_MEMCHR
+HAVE_STRVERSCMP
+HAVE_DECL_STRSIGNAL
+HAVE_DECL_STRERROR_R
+HAVE_DECL_STRTOK_R
+HAVE_STRCASESTR
+HAVE_STRSEP
+HAVE_STRPBRK
+HAVE_DECL_STRNLEN
+HAVE_DECL_STRNDUP
+HAVE_DECL_STRDUP
+HAVE_STRCHRNUL
+HAVE_STPNCPY
+HAVE_STPCPY
+HAVE_RAWMEMCHR
+HAVE_DECL_MEMRCHR
+HAVE_MEMPCPY
+HAVE_DECL_MEMMEM
+HAVE_MEMCHR
+HAVE_FFSLL
+HAVE_FFSL
+HAVE_MBSLEN
+GNULIB_STRVERSCMP
+GNULIB_STRSIGNAL
+GNULIB_STRERROR_R
+GNULIB_STRERROR
+GNULIB_MBSTOK_R
+GNULIB_MBSSEP
+GNULIB_MBSSPN
+GNULIB_MBSPBRK
+GNULIB_MBSCSPN
+GNULIB_MBSCASESTR
+GNULIB_MBSPCASECMP
+GNULIB_MBSNCASECMP
+GNULIB_MBSCASECMP
+GNULIB_MBSSTR
+GNULIB_MBSRCHR
+GNULIB_MBSCHR
+GNULIB_MBSNLEN
+GNULIB_MBSLEN
+GNULIB_STRTOK_R
+GNULIB_STRCASESTR
+GNULIB_STRSTR
+GNULIB_STRSEP
+GNULIB_STRPBRK
+GNULIB_STRNLEN
+GNULIB_STRNDUP
+GNULIB_STRNCAT
+GNULIB_STRDUP
+GNULIB_STRCHRNUL
+GNULIB_STPNCPY
+GNULIB_STPCPY
+GNULIB_RAWMEMCHR
+GNULIB_MEMRCHR
+GNULIB_MEMPCPY
+GNULIB_MEMMEM
+GNULIB_MEMCHR
+GNULIB_FFSLL
+GNULIB_FFSL
 NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H
 NEXT_INTTYPES_H
 UINT64_MAX_EQ_ULONG_MAX
@@ -7144,6 +7219,7 @@ esac
 
   # Code from module lstat:
   # Code from module manywarnings:
+  # Code from module memrchr:
   # Code from module mktime:
   # Code from module multiarch:
   # Code from module nocrash:
@@ -7176,6 +7252,7 @@ esac
   # Code from module stdio:
   # Code from module stdlib:
   # Code from module strftime:
+  # Code from module string:
   # Code from module strtoimax:
   # Code from module strtoll:
   # Code from module strtoull:
@@ -19400,6 +19477,92 @@ $as_echo "$gl_cv_type_off_t_64" >&6; }
 
 
 
+  GNULIB_FFSL=0;
+  GNULIB_FFSLL=0;
+  GNULIB_MEMCHR=0;
+  GNULIB_MEMMEM=0;
+  GNULIB_MEMPCPY=0;
+  GNULIB_MEMRCHR=0;
+  GNULIB_RAWMEMCHR=0;
+  GNULIB_STPCPY=0;
+  GNULIB_STPNCPY=0;
+  GNULIB_STRCHRNUL=0;
+  GNULIB_STRDUP=0;
+  GNULIB_STRNCAT=0;
+  GNULIB_STRNDUP=0;
+  GNULIB_STRNLEN=0;
+  GNULIB_STRPBRK=0;
+  GNULIB_STRSEP=0;
+  GNULIB_STRSTR=0;
+  GNULIB_STRCASESTR=0;
+  GNULIB_STRTOK_R=0;
+  GNULIB_MBSLEN=0;
+  GNULIB_MBSNLEN=0;
+  GNULIB_MBSCHR=0;
+  GNULIB_MBSRCHR=0;
+  GNULIB_MBSSTR=0;
+  GNULIB_MBSCASECMP=0;
+  GNULIB_MBSNCASECMP=0;
+  GNULIB_MBSPCASECMP=0;
+  GNULIB_MBSCASESTR=0;
+  GNULIB_MBSCSPN=0;
+  GNULIB_MBSPBRK=0;
+  GNULIB_MBSSPN=0;
+  GNULIB_MBSSEP=0;
+  GNULIB_MBSTOK_R=0;
+  GNULIB_STRERROR=0;
+  GNULIB_STRERROR_R=0;
+  GNULIB_STRSIGNAL=0;
+  GNULIB_STRVERSCMP=0;
+  HAVE_MBSLEN=0;
+    HAVE_FFSL=1;
+  HAVE_FFSLL=1;
+  HAVE_MEMCHR=1;
+  HAVE_DECL_MEMMEM=1;
+  HAVE_MEMPCPY=1;
+  HAVE_DECL_MEMRCHR=1;
+  HAVE_RAWMEMCHR=1;
+  HAVE_STPCPY=1;
+  HAVE_STPNCPY=1;
+  HAVE_STRCHRNUL=1;
+  HAVE_DECL_STRDUP=1;
+  HAVE_DECL_STRNDUP=1;
+  HAVE_DECL_STRNLEN=1;
+  HAVE_STRPBRK=1;
+  HAVE_STRSEP=1;
+  HAVE_STRCASESTR=1;
+  HAVE_DECL_STRTOK_R=1;
+  HAVE_DECL_STRERROR_R=1;
+  HAVE_DECL_STRSIGNAL=1;
+  HAVE_STRVERSCMP=1;
+  REPLACE_MEMCHR=0;
+  REPLACE_MEMMEM=0;
+  REPLACE_STPNCPY=0;
+  REPLACE_STRDUP=0;
+  REPLACE_STRSTR=0;
+  REPLACE_STRCASESTR=0;
+  REPLACE_STRCHRNUL=0;
+  REPLACE_STRERROR=0;
+  REPLACE_STRERROR_R=0;
+  REPLACE_STRNCAT=0;
+  REPLACE_STRNDUP=0;
+  REPLACE_STRNLEN=0;
+  REPLACE_STRSIGNAL=0;
+  REPLACE_STRTOK_R=0;
+  UNDEFINE_STRTOK_R=0;
+
+ac_fn_c_check_decl "$LINENO" "memrchr" "ac_cv_have_decl_memrchr" "$ac_includes_default"
+if test "x$ac_cv_have_decl_memrchr" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_MEMRCHR $ac_have_decl
+_ACEOF
+
+
   GNULIB_MKTIME=0;
   GNULIB_NANOSLEEP=0;
   GNULIB_STRPTIME=0;
@@ -20026,6 +20189,79 @@ fi
 
 
 
+
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_string_h='<'string.h'>'
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <string.h>" >&5
+$as_echo_n "checking absolute name of <string.h>... " >&6; }
+if test "${gl_cv_next_string_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+               cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <string.h>
+
+_ACEOF
+                                                                                                                        case "$host_os" in
+                 aix*) gl_absname_cpp="$ac_cpp -C" ;;
+                 *)    gl_absname_cpp="$ac_cpp" ;;
+               esac
+
+               case "$host_os" in
+                 mingw*)
+                                                                                                                                     gl_dirsep_regex='[/\\]'
+                   ;;
+                 *)
+                   gl_dirsep_regex='\/'
+                   ;;
+               esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+
+               gl_header_literal_regex=`echo 'string.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+                   s|^/[^/]|//&|
+                   p
+                   q
+                 }'
+                                                            gl_cv_next_string_h='"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+                      sed -n "$gl_absolute_header_sed"`'"'
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_string_h" >&5
+$as_echo "$gl_cv_next_string_h" >&6; }
+     fi
+     NEXT_STRING_H=$gl_cv_next_string_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'string.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_string_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_STRING_H=$gl_next_as_first_directive
+
+
+
+
+
+
+
+
+
 ac_fn_c_check_decl "$LINENO" "strtoimax" "ac_cv_have_decl_strtoimax" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strtoimax" = x""yes; then :
   ac_have_decl=1
@@ -22352,6 +22588,51 @@ done
 
 
 
+  if test $ac_cv_have_decl_memrchr = no; then
+    HAVE_DECL_MEMRCHR=0
+  fi
+
+  for ac_func in memrchr
+do :
+  ac_fn_c_check_func "$LINENO" "memrchr" "ac_cv_func_memrchr"
+if test "x$ac_cv_func_memrchr" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_MEMRCHR 1
+_ACEOF
+
+fi
+done
+
+
+  if test $ac_cv_func_memrchr = no; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS memrchr.$ac_objext"
+
+    :
+  fi
+
+
+
+
+
+          GNULIB_MEMRCHR=1
+
+
+
+
+
+
+
+
+
+
 
   if test $APPLE_UNIVERSAL_BUILD = 1; then
     # A universal build on Apple Mac OS X platforms.
@@ -24209,6 +24490,9 @@ $as_echo "#define my_strftime nstrftime" >>confdefs.h
 
 
 
+
+
+
   if test "$ac_cv_have_decl_strtoimax" != yes; then
     HAVE_DECL_STRTOIMAX=0
   fi