[OE-core] [RFC PATCH 1/2] cross-localedef-native: Add hardlink resolver from util-linux

Khem Raj raj.khem at gmail.com
Fri Aug 16 21:22:19 UTC 2019


On Fri, Aug 16, 2019 at 2:06 PM Jason Wessel <jason.wessel at windriver.com> wrote:
>
> The hard link resolver that is built into localedef cannot be run in
> parallel.  It will search sibling directories (which are be processed
> in parallel) and perform a creation of a .tmp file and remove the
> original and move the .tmp file in.  The problem is that if a probe
> occurs a hard link can be requested to the file that is being removed.
> This will lead to a stray copy or potentially, on a loaded system
> cause race condition which pseudo cannot deal with, where it is left
> with a hard link request to a file that no longer exists.  In this
> situation psuedo will inherit the permissions of what ever the target
> inode had to offer.
>
> In short, there are two problems:
>
>   1) You will be left with stray copies when using the hard link
>      resolution that is built in while running in parallel with
>      localedef.
>
>   2) When running under pseudo the possibility exists for uid/gid
>      leakage when the source file is removed before the hard link can
>      be completed.
>
> The solution is to call localedef with --no-hard-links and separately
> process the hardlinks at a later point.  To do this requires the
> inclusion of the hardlink utility found in modern versions of
> util-linux.  Most host systems do not have this, so it will be
> included with the cross-localedef binary.
>

can we depend on util-linux-native for this ?

> There are two patches here.  The first imports the raw version of
> hardlink.c and a couple of header files directly from util-linux. The
> second patch applies the fix-ups to make it compile, along with a
> change to recipe to package the new binary.
>
> [YOCTO #11299]
> [YOCTO #12434]
>
> Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
> ---
>  .../glibc/cross-localedef-native_2.30.bb      |    3 +
>  .../glibc/add-cross-localedef-hardlink.patch  | 1115 +++++++++++++++++
>  ...le-separate-from-util-linux-hardlink.patch |  226 ++++
>  3 files changed, 1344 insertions(+)
>  create mode 100644 meta/recipes-core/glibc/glibc/add-cross-localedef-hardlink.patch
>  create mode 100644 meta/recipes-core/glibc/glibc/allow-compile-separate-from-util-linux-hardlink.patch
>
> diff --git a/meta/recipes-core/glibc/cross-localedef-native_2.30.bb b/meta/recipes-core/glibc/cross-localedef-native_2.30.bb
> index e4923c73d5..29cd43e89a 100644
> --- a/meta/recipes-core/glibc/cross-localedef-native_2.30.bb
> +++ b/meta/recipes-core/glibc/cross-localedef-native_2.30.bb
> @@ -30,6 +30,8 @@ SRC_URI = "${GLIBC_GIT_URI};branch=${SRCBRANCH};name=glibc \
>             file://0022-eglibc-Forward-port-cross-locale-generation-support.patch \
>             file://0023-Define-DUMMY_LOCALE_T-if-not-defined.patch \
>             file://0024-localedef-add-to-archive-uses-a-hard-coded-locale-pa.patch \
> +           file://add-cross-localedef-hardlink.patch \
> +           file://allow-compile-separate-from-util-linux-hardlink.patch \
>  "
>  # Makes for a rather long rev (22 characters), but...
>  #
> @@ -43,4 +45,5 @@ CFLAGS += "-fgnu89-inline -std=gnu99 -DIS_IN\(x\)='0'"
>  do_install() {
>         install -d ${D}${bindir}
>         install -m 0755 ${B}/localedef ${D}${bindir}/cross-localedef
> +       install -m 0755 ${B}/cross-localedef-hardlink ${D}${bindir}/cross-localedef-hardlink
>  }
> diff --git a/meta/recipes-core/glibc/glibc/add-cross-localedef-hardlink.patch b/meta/recipes-core/glibc/glibc/add-cross-localedef-hardlink.patch
> new file mode 100644
> index 0000000000..8471121949
> --- /dev/null
> +++ b/meta/recipes-core/glibc/glibc/add-cross-localedef-hardlink.patch
> @@ -0,0 +1,1115 @@
> +---
> + locale/programs/c.h                        |  407 ++++++++++++++++++++++
> + locale/programs/cross-localedef-hardlink.c |  528 +++++++++++++++++++++++++++++
> + locale/programs/xalloc.h                   |  129 +++++++
> + localedef/Makefile.in                      |    8
> + 4 files changed, 1071 insertions(+), 1 deletion(-)
> +
> +--- /dev/null
> ++++ b/locale/programs/cross-localedef-hardlink.c
> +@@ -0,0 +1,528 @@
> ++/*
> ++ * hardlink - consolidate duplicate files via hardlinks
> ++ *
> ++ * Copyright (C) 2018 Red Hat, Inc. All rights reserved.
> ++ * Written by Jakub Jelinek <jakub at redhat.com>
> ++ *
> ++ * Copyright (C) 2019 Karel Zak <kzak at redhat.com>
> ++ *
> ++ * This program is free software; you can redistribute it and/or modify
> ++ * it under the terms of the GNU General Public License as published by
> ++ * the Free Software Foundation; either version 2 of the License, or
> ++ * (at your option) any later version.
> ++ *
> ++ * This program is distributed in the hope that it would be useful,
> ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
> ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> ++ * GNU General Public License for more details.
> ++ *
> ++ * You should have received a copy of the GNU General Public License along
> ++ * with this program; if not, write to the Free Software Foundation, Inc.,
> ++ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> ++ */
> ++#include <sys/types.h>
> ++#include <stdlib.h>
> ++#include <getopt.h>
> ++#include <stdio.h>
> ++#include <unistd.h>
> ++#include <sys/stat.h>
> ++#include <sys/mman.h>
> ++#include <string.h>
> ++#include <dirent.h>
> ++#include <fcntl.h>
> ++#include <errno.h>
> ++#ifdef HAVE_PCRE
> ++# define PCRE2_CODE_UNIT_WIDTH 8
> ++# include <pcre2.h>
> ++#endif
> ++
> ++#include "c.h"
> ++#include "xalloc.h"
> ++#include "nls.h"
> ++#include "closestream.h"
> ++
> ++#define NHASH   (1<<17)  /* Must be a power of 2! */
> ++#define NBUF    64
> ++
> ++struct hardlink_file;
> ++
> ++struct hardlink_hash {
> ++      struct hardlink_hash *next;
> ++      struct hardlink_file *chain;
> ++      off_t size;
> ++      time_t mtime;
> ++};
> ++
> ++struct hardlink_dir {
> ++      struct hardlink_dir *next;
> ++      char name[];
> ++};
> ++
> ++struct hardlink_file {
> ++      struct hardlink_file *next;
> ++      ino_t ino;
> ++      dev_t dev;
> ++      unsigned int cksum;
> ++      char name[];
> ++};
> ++
> ++struct hardlink_dynstr {
> ++      char *buf;
> ++      size_t alloc;
> ++};
> ++
> ++struct hardlink_ctl {
> ++      struct hardlink_dir *dirs;
> ++      struct hardlink_hash *hps[NHASH];
> ++      char iobuf1[BUFSIZ];
> ++      char iobuf2[BUFSIZ];
> ++      /* summary counters */
> ++      unsigned long long ndirs;
> ++      unsigned long long nobjects;
> ++      unsigned long long nregfiles;
> ++      unsigned long long ncomp;
> ++      unsigned long long nlinks;
> ++      unsigned long long nsaved;
> ++      /* current device */
> ++      dev_t dev;
> ++      /* flags */
> ++      unsigned int verbose;
> ++      unsigned int
> ++              no_link:1,
> ++              content_only:1,
> ++              force:1;
> ++};
> ++/* ctl is in global scope due use in atexit() */
> ++struct hardlink_ctl global_ctl;
> ++
> ++__attribute__ ((always_inline))
> ++static inline unsigned int hash(off_t size, time_t mtime)
> ++{
> ++      return (size ^ mtime) & (NHASH - 1);
> ++}
> ++
> ++__attribute__ ((always_inline))
> ++static inline int stcmp(struct stat *st1, struct stat *st2, int content_scope)
> ++{
> ++      if (content_scope)
> ++              return st1->st_size != st2->st_size;
> ++
> ++      return st1->st_mode != st2->st_mode
> ++              || st1->st_uid != st2->st_uid
> ++              || st1->st_gid != st2->st_gid
> ++              || st1->st_size != st2->st_size
> ++              || st1->st_mtime != st2->st_mtime;
> ++}
> ++
> ++static void print_summary(void)
> ++{
> ++      struct hardlink_ctl const *const ctl = &global_ctl;
> ++
> ++      if (!ctl->verbose)
> ++              return;
> ++
> ++      if (ctl->verbose > 1 && ctl->nlinks)
> ++              fputc('\n', stdout);
> ++
> ++      printf(_("Directories:   %9lld\n"), ctl->ndirs);
> ++      printf(_("Objects:       %9lld\n"), ctl->nobjects);
> ++      printf(_("Regular files: %9lld\n"), ctl->nregfiles);
> ++      printf(_("Comparisons:   %9lld\n"), ctl->ncomp);
> ++      printf(  "%s%9lld\n", (ctl->no_link ?
> ++             _("Would link:    ") :
> ++             _("Linked:        ")), ctl->nlinks);
> ++      printf(  "%s %9lld\n", (ctl->no_link ?
> ++             _("Would save:   ") :
> ++             _("Saved:        ")), ctl->nsaved);
> ++}
> ++
> ++static void __attribute__((__noreturn__)) usage(void)
> ++{
> ++      fputs(USAGE_HEADER, stdout);
> ++      printf(_(" %s [options] directory...\n"), program_invocation_short_name);
> ++
> ++      fputs(USAGE_SEPARATOR, stdout);
> ++      puts(_("Consolidate duplicate files using hardlinks."));
> ++
> ++      fputs(USAGE_OPTIONS, stdout);
> ++      puts(_(" -c, --content          compare only contents, ignore permission, etc."));
> ++      puts(_(" -n, --dry-run          don't actually link anything"));
> ++      puts(_(" -v, --verbose          print summary after hardlinking"));
> ++      puts(_(" -vv                    print every hardlinked file and summary"));
> ++      puts(_(" -f, --force            force hardlinking across filesystems"));
> ++      puts(_(" -x, --exclude <regex>  exclude files matching pattern"));
> ++
> ++      fputs(USAGE_SEPARATOR, stdout);
> ++      printf(USAGE_HELP_OPTIONS(16)); /* char offset to align option descriptions */
> ++      printf(USAGE_MAN_TAIL("hardlink(1)"));
> ++      exit(EXIT_SUCCESS);
> ++}
> ++
> ++__attribute__ ((always_inline))
> ++static inline size_t add2(size_t a, size_t b)
> ++{
> ++      size_t sum = a + b;
> ++
> ++      if (sum < a)
> ++              errx(EXIT_FAILURE, _("integer overflow"));
> ++      return sum;
> ++}
> ++
> ++__attribute__ ((always_inline))
> ++static inline size_t add3(size_t a, size_t b, size_t c)
> ++{
> ++      return add2(add2(a, b), c);
> ++}
> ++
> ++static void growstr(struct hardlink_dynstr *str, size_t newlen)
> ++{
> ++      if (newlen < str->alloc)
> ++              return;
> ++      str->buf = xrealloc(str->buf, str->alloc = add2(newlen, 1));
> ++}
> ++
> ++static void process_path(struct hardlink_ctl *ctl, const char *name)
> ++{
> ++      struct stat st, st2, st3;
> ++      const size_t namelen = strlen(name);
> ++
> ++      ctl->nobjects++;
> ++      if (lstat(name, &st))
> ++              return;
> ++
> ++      if (st.st_dev != ctl->dev && !ctl->force) {
> ++              if (ctl->dev)
> ++                      errx(EXIT_FAILURE,
> ++                           _("%s is on different filesystem than the rest "
> ++                             "(use -f option to override)."), name);
> ++              ctl->dev = st.st_dev;
> ++      }
> ++      if (S_ISDIR(st.st_mode)) {
> ++              struct hardlink_dir *dp = xmalloc(add3(sizeof(*dp), namelen, 1));
> ++              memcpy(dp->name, name, namelen + 1);
> ++              dp->next = ctl->dirs;
> ++              ctl->dirs = dp;
> ++
> ++      } else if (S_ISREG(st.st_mode)) {
> ++              int fd, i;
> ++              struct hardlink_file *fp, *fp2;
> ++              struct hardlink_hash *hp;
> ++              const char *n1, *n2;
> ++              unsigned int buf[NBUF];
> ++              int cksumsize = sizeof(buf);
> ++              unsigned int cksum;
> ++              time_t mtime = ctl->content_only ? 0 : st.st_mtime;
> ++              unsigned int hsh = hash(st.st_size, mtime);
> ++              off_t fsize;
> ++
> ++              ctl->nregfiles++;
> ++              if (ctl->verbose > 1)
> ++                      printf("%s\n", name);
> ++
> ++              fd = open(name, O_RDONLY);
> ++              if (fd < 0)
> ++                      return;
> ++
> ++              if ((size_t)st.st_size < sizeof(buf)) {
> ++                      cksumsize = st.st_size;
> ++                      memset(((char *)buf) + cksumsize, 0,
> ++                             (sizeof(buf) - cksumsize) % sizeof(buf[0]));
> ++              }
> ++              if (read(fd, buf, cksumsize) != cksumsize) {
> ++                      close(fd);
> ++                      return;
> ++              }
> ++              cksumsize = (cksumsize + sizeof(buf[0]) - 1) / sizeof(buf[0]);
> ++              for (i = 0, cksum = 0; i < cksumsize; i++) {
> ++                      if (cksum + buf[i] < cksum)
> ++                              cksum += buf[i] + 1;
> ++                      else
> ++                              cksum += buf[i];
> ++              }
> ++              for (hp = ctl->hps[hsh]; hp; hp = hp->next) {
> ++                      if (hp->size == st.st_size && hp->mtime == mtime)
> ++                              break;
> ++              }
> ++              if (!hp) {
> ++                      hp = xmalloc(sizeof(*hp));
> ++                      hp->size = st.st_size;
> ++                      hp->mtime = mtime;
> ++                      hp->chain = NULL;
> ++                      hp->next = ctl->hps[hsh];
> ++                      ctl->hps[hsh] = hp;
> ++              }
> ++              for (fp = hp->chain; fp; fp = fp->next) {
> ++                      if (fp->cksum == cksum)
> ++                              break;
> ++              }
> ++              for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next) {
> ++                      if (fp2->ino == st.st_ino && fp2->dev == st.st_dev) {
> ++                              close(fd);
> ++                              return;
> ++                      }
> ++              }
> ++              for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next) {
> ++
> ++                      if (!lstat(fp2->name, &st2) && S_ISREG(st2.st_mode) &&
> ++                          !stcmp(&st, &st2, ctl->content_only) &&
> ++                          st2.st_ino != st.st_ino &&
> ++                          st2.st_dev == st.st_dev) {
> ++
> ++                              int fd2 = open(fp2->name, O_RDONLY);
> ++                              if (fd2 < 0)
> ++                                      continue;
> ++
> ++                              if (fstat(fd2, &st2) || !S_ISREG(st2.st_mode)
> ++                                  || st2.st_size == 0) {
> ++                                      close(fd2);
> ++                                      continue;
> ++                              }
> ++                              ctl->ncomp++;
> ++                              lseek(fd, 0, SEEK_SET);
> ++
> ++                              for (fsize = st.st_size; fsize > 0;
> ++                                   fsize -= (off_t)sizeof(ctl->iobuf1)) {
> ++                                      ssize_t xsz;
> ++                                      ssize_t rsize = fsize > (ssize_t) sizeof(ctl->iobuf1) ?
> ++                                                      (ssize_t) sizeof(ctl->iobuf1) : fsize;
> ++
> ++                                      if ((xsz = read(fd, ctl->iobuf1, rsize)) != rsize)
> ++                                              warn(_("cannot read %s"), name);
> ++                                      else if ((xsz = read(fd2, ctl->iobuf2, rsize)) != rsize)
> ++                                              warn(_("cannot read %s"), fp2->name);
> ++
> ++                                      if (xsz != rsize) {
> ++                                              close(fd);
> ++                                              close(fd2);
> ++                                              return;
> ++                                      }
> ++                                      if (memcmp(ctl->iobuf1, ctl->iobuf2, rsize))
> ++                                              break;
> ++                              }
> ++                              close(fd2);
> ++                              if (fsize > 0)
> ++                                      continue;
> ++                              if (lstat(name, &st3)) {
> ++                                      warn(_("cannot stat %s"), name);
> ++                                      close(fd);
> ++                                      return;
> ++                              }
> ++                              st3.st_atime = st.st_atime;
> ++                              if (stcmp(&st, &st3, 0)) {
> ++                                      warnx(_("file %s changed underneath us"), name);
> ++                                      close(fd);
> ++                                      return;
> ++                              }
> ++                              n1 = fp2->name;
> ++                              n2 = name;
> ++
> ++                              if (!ctl->no_link) {
> ++                                      const char *suffix =
> ++                                          ".$$$___cleanit___$$$";
> ++                                      const size_t suffixlen = strlen(suffix);
> ++                                      size_t n2len = strlen(n2);
> ++                                      struct hardlink_dynstr nam2 = { NULL, 0 };
> ++
> ++                                      growstr(&nam2, add2(n2len, suffixlen));
> ++                                      memcpy(nam2.buf, n2, n2len);
> ++                                      memcpy(&nam2.buf[n2len], suffix,
> ++                                             suffixlen + 1);
> ++                                      /* First create a temporary link to n1 under a new name */
> ++                                      if (link(n1, nam2.buf)) {
> ++                                              warn(_("failed to hardlink %s to %s (create temporary link as %s failed)"),
> ++                                                      n1, n2, nam2.buf);
> ++                                              free(nam2.buf);
> ++                                              continue;
> ++                                      }
> ++                                      /* Then rename into place over the existing n2 */
> ++                                      if (rename(nam2.buf, n2)) {
> ++                                              warn(_("failed to hardlink %s to %s (rename temporary link to %s failed)"),
> ++                                                      n1, n2, n2);
> ++                                              /* Something went wrong, try to remove the now redundant temporary link */
> ++                                              if (unlink(nam2.buf))
> ++                                                      warn(_("failed to remove temporary link %s"), nam2.buf);
> ++                                              free(nam2.buf);
> ++                                              continue;
> ++                                      }
> ++                                      free(nam2.buf);
> ++                              }
> ++                              ctl->nlinks++;
> ++                              if (st3.st_nlink > 1) {
> ++                                      /* We actually did not save anything this time, since the link second argument
> ++                                         had some other links as well.  */
> ++                                      if (ctl->verbose > 1)
> ++                                              printf(_(" %s %s to %s\n"),
> ++                                                      (ctl->no_link ? _("Would link") : _("Linked")),
> ++                                                      n1, n2);
> ++                              } else {
> ++                                      ctl->nsaved += ((st.st_size + 4095) / 4096) * 4096;
> ++                                      if (ctl->verbose > 1)
> ++                                              printf(_(" %s %s to %s, %s %jd\n"),
> ++                                                      (ctl->no_link ? _("Would link") : _("Linked")),
> ++                                                      n1, n2,
> ++                                                      (ctl->no_link ? _("would save") : _("saved")),
> ++                                                      (intmax_t)st.st_size);
> ++                              }
> ++                              close(fd);
> ++                              return;
> ++                      }
> ++              }
> ++              fp2 = xmalloc(add3(sizeof(*fp2), namelen, 1));
> ++              close(fd);
> ++              fp2->ino = st.st_ino;
> ++              fp2->dev = st.st_dev;
> ++              fp2->cksum = cksum;
> ++              memcpy(fp2->name, name, namelen + 1);
> ++
> ++              if (fp) {
> ++                      fp2->next = fp->next;
> ++                      fp->next = fp2;
> ++              } else {
> ++                      fp2->next = hp->chain;
> ++                      hp->chain = fp2;
> ++              }
> ++              return;
> ++      }
> ++}
> ++
> ++int main(int argc, char **argv)
> ++{
> ++      int ch;
> ++      int i;
> ++#ifdef HAVE_PCRE
> ++      int errornumber;
> ++      PCRE2_SIZE erroroffset;
> ++      pcre2_code *re = NULL;
> ++      PCRE2_SPTR exclude_pattern = NULL;
> ++      pcre2_match_data *match_data = NULL;
> ++#endif
> ++      struct hardlink_dynstr nam1 = { NULL, 0 };
> ++      struct hardlink_ctl *ctl = &global_ctl;
> ++
> ++      static const struct option longopts[] = {
> ++              { "content",    no_argument, NULL, 'c' },
> ++              { "dry-run",    no_argument, NULL, 'n' },
> ++              { "exclude",    required_argument, NULL, 'x' },
> ++              { "force",      no_argument, NULL, 'f' },
> ++              { "help",       no_argument, NULL, 'h' },
> ++              { "verbose",    no_argument, NULL, 'v' },
> ++              { "version",    no_argument, NULL, 'V' },
> ++              { NULL, 0, NULL, 0 },
> ++      };
> ++
> ++      setlocale(LC_ALL, "");
> ++      bindtextdomain(PACKAGE, LOCALEDIR);
> ++      textdomain(PACKAGE);
> ++      close_stdout_atexit();
> ++
> ++      while ((ch = getopt_long(argc, argv, "cnvfx:Vh", longopts, NULL)) != -1) {
> ++              switch (ch) {
> ++              case 'n':
> ++                      ctl->no_link = 1;
> ++                      break;
> ++              case 'v':
> ++                      ctl->verbose++;
> ++                      break;
> ++              case 'c':
> ++                      ctl->content_only = 1;
> ++                      break;
> ++              case 'f':
> ++                      ctl->force = 1;
> ++                      break;
> ++              case 'x':
> ++#ifdef HAVE_PCRE
> ++                      exclude_pattern = (PCRE2_SPTR) optarg;
> ++#else
> ++                      errx(EXIT_FAILURE,
> ++                           _("option --exclude not supported (built without pcre2)"));
> ++#endif
> ++                      break;
> ++              case 'V':
> ++                      print_version(EXIT_SUCCESS);
> ++              case 'h':
> ++                      usage();
> ++              default:
> ++                      errtryhelp(EXIT_FAILURE);
> ++              }
> ++      }
> ++
> ++      if (optind == argc) {
> ++              warnx(_("no directory specified"));
> ++              errtryhelp(EXIT_FAILURE);
> ++      }
> ++
> ++#ifdef HAVE_PCRE
> ++      if (exclude_pattern) {
> ++              re = pcre2_compile(exclude_pattern, /* the pattern */
> ++                                 PCRE2_ZERO_TERMINATED, /* indicates pattern is zero-terminate */
> ++                                 0, /* default options */
> ++                                 &errornumber, &erroroffset, NULL); /* use default compile context */
> ++              if (!re) {
> ++                      PCRE2_UCHAR buffer[256];
> ++                      pcre2_get_error_message(errornumber, buffer,
> ++                                              sizeof(buffer));
> ++                      errx(EXIT_FAILURE, _("pattern error at offset %d: %s"),
> ++                              (int)erroroffset, buffer);
> ++              }
> ++              match_data = pcre2_match_data_create_from_pattern(re, NULL);
> ++      }
> ++#endif
> ++      atexit(print_summary);
> ++
> ++      for (i = optind; i < argc; i++)
> ++              process_path(ctl, argv[i]);
> ++
> ++      while (ctl->dirs) {
> ++              DIR *dh;
> ++              struct dirent *di;
> ++              struct hardlink_dir *dp = ctl->dirs;
> ++              size_t nam1baselen = strlen(dp->name);
> ++
> ++              ctl->dirs = dp->next;
> ++              growstr(&nam1, add2(nam1baselen, 1));
> ++              memcpy(nam1.buf, dp->name, nam1baselen);
> ++              free(dp);
> ++              nam1.buf[nam1baselen++] = '/';
> ++              nam1.buf[nam1baselen] = 0;
> ++              dh = opendir(nam1.buf);
> ++
> ++              if (dh == NULL)
> ++                      continue;
> ++              ctl->ndirs++;
> ++
> ++              while ((di = readdir(dh)) != NULL) {
> ++                      if (!di->d_name[0])
> ++                              continue;
> ++                      if (di->d_name[0] == '.') {
> ++                              if (!di->d_name[1] || !strcmp(di->d_name, ".."))
> ++                                      continue;
> ++                      }
> ++#ifdef HAVE_PCRE
> ++                      if (re && pcre2_match(re, /* compiled regex */
> ++                                            (PCRE2_SPTR) di->d_name, strlen(di->d_name), 0, /* start at offset 0 */
> ++                                            0, /* default options */
> ++                                            match_data, /* block for storing the result */
> ++                                            NULL) /* use default match context */
> ++                          >=0) {
> ++                              if (ctl->verbose) {
> ++                                      nam1.buf[nam1baselen] = 0;
> ++                                      printf(_("Skipping %s%s\n"), nam1.buf, di->d_name);
> ++                              }
> ++                              continue;
> ++                      }
> ++#endif
> ++                      {
> ++                              size_t subdirlen;
> ++                              growstr(&nam1,
> ++                                      add2(nam1baselen, subdirlen =
> ++                                           strlen(di->d_name)));
> ++                              memcpy(&nam1.buf[nam1baselen], di->d_name,
> ++                                     add2(subdirlen, 1));
> ++                      }
> ++                      process_path(ctl, nam1.buf);
> ++              }
> ++              closedir(dh);
> ++      }
> ++
> ++      return 0;
> ++}
> +--- a/localedef/Makefile.in
> ++++ b/localedef/Makefile.in
> +@@ -40,6 +40,8 @@ WARNFLAGS    = -Wall -Wno-format
> + FULLCC                = $(CC) $(CPPFLAGS) $(CFLAGS) \
> +                 $(DEFINES) $(INCLUDES) $(WARNFLAGS)
> +
> ++CROSS_LOCALEDEF_HARDLINK_OBJS = cross-localedef-hardlink.o
> ++
> + LOCALEDEF_OBJS        = charmap.o charmap-dir.o ld-address.o ld-collate.o \
> +                 ld-ctype.o ld-identification.o ld-measurement.o \
> +                 ld-messages.o ld-monetary.o ld-name.o ld-numeric.o \
> +@@ -54,11 +56,14 @@ LOCALEDEF_OBJS     = charmap.o charmap-dir.o
> +                 asprintf.o getdelim.o localedef_extra.o \
> +                 obstack_printf.o vasprintf.o
> +
> +-all:          localedef$(EXEEXT)
> ++all:          localedef$(EXEEXT) cross-localedef-hardlink$(EXEEXT)
> +
> + localedef$(EXEEXT): $(LOCALEDEF_OBJS)
> +               $(CC) -o $@ $(LOCALEDEF_OBJS) $(LIBS)
> +
> ++cross-localedef-hardlink$(EXEEXT): $(CROSS_LOCALEDEF_HARDLINK_OBJS)
> ++              $(CC) -o $@ $(CROSS_LOCALEDEF_HARDLINK_OBJS) $(LIBS)
> ++
> + clean:
> +               rm -f locale$(EXEEXT) $(LOCALEDEF_OBJS)
> +
> +@@ -77,6 +82,7 @@ clean:
> + %.o: $(srcdir)/%.c
> +               $(FULLCC) -c -o $@ $<
> +
> ++cross-localedef-hardlink.o: glibc/locale/programs/cross-localedef-hardlink.c
> + charmap.o: glibc/locale/programs/charmap.c
> + charmap-dir.o: glibc/locale/programs/charmap-dir.c
> + ld-address.o: glibc/locale/programs/ld-address.c
> +--- /dev/null
> ++++ b/locale/programs/c.h
> +@@ -0,0 +1,407 @@
> ++/*
> ++ * Fundamental C definitions.
> ++ */
> ++
> ++#ifndef UTIL_LINUX_C_H
> ++#define UTIL_LINUX_C_H
> ++
> ++#include <limits.h>
> ++#include <stddef.h>
> ++#include <stdint.h>
> ++#include <stdio.h>
> ++#include <unistd.h>
> ++#include <stdarg.h>
> ++#include <stdlib.h>
> ++#include <string.h>
> ++#include <errno.h>
> ++
> ++#include <assert.h>
> ++
> ++#ifdef HAVE_ERR_H
> ++# include <err.h>
> ++#endif
> ++
> ++#ifdef HAVE_SYS_SYSMACROS_H
> ++# include <sys/sysmacros.h>     /* for major, minor */
> ++#endif
> ++
> ++#ifndef LOGIN_NAME_MAX
> ++# define LOGIN_NAME_MAX 256
> ++#endif
> ++
> ++#ifndef NAME_MAX
> ++# define NAME_MAX PATH_MAX
> ++#endif
> ++
> ++/*
> ++ * __GNUC_PREREQ is deprecated in favour of __has_attribute() and
> ++ * __has_feature(). The __has macros are supported by clang and gcc>=5.
> ++ */
> ++#ifndef __GNUC_PREREQ
> ++# if defined __GNUC__ && defined __GNUC_MINOR__
> ++#  define __GNUC_PREREQ(maj, min) \
> ++      ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
> ++# else
> ++#  define __GNUC_PREREQ(maj, min) 0
> ++# endif
> ++#endif
> ++
> ++#ifdef __GNUC__
> ++
> ++/* &a[0] degrades to a pointer: a different type from an array */
> ++# define __must_be_array(a) \
> ++      UL_BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(__typeof__(a), __typeof__(&a[0])))
> ++
> ++# define ignore_result(x) __extension__ ({ \
> ++      __typeof__(x) __dummy __attribute__((__unused__)) = (x); (void) __dummy; \
> ++})
> ++
> ++#else /* !__GNUC__ */
> ++# define __must_be_array(a)   0
> ++# define __attribute__(_arg_)
> ++# define ignore_result(x) ((void) (x))
> ++#endif /* !__GNUC__ */
> ++
> ++/*
> ++ * It evaluates to 1 if the attribute/feature is supported by the current
> ++ * compilation targed. Fallback for old compilers.
> ++ */
> ++#ifndef __has_attribute
> ++  #define __has_attribute(x) 0
> ++#endif
> ++
> ++#ifndef __has_feature
> ++  #define __has_feature(x) 0
> ++#endif
> ++
> ++/*
> ++ * Function attributes
> ++ */
> ++#ifndef __ul_alloc_size
> ++# if (__has_attribute(alloc_size) && __has_attribute(warn_unused_result)) || __GNUC_PREREQ (4, 3)
> ++#  define __ul_alloc_size(s) __attribute__((alloc_size(s), warn_unused_result))
> ++# else
> ++#  define __ul_alloc_size(s)
> ++# endif
> ++#endif
> ++
> ++#ifndef __ul_calloc_size
> ++# if (__has_attribute(alloc_size) && __has_attribute(warn_unused_result)) || __GNUC_PREREQ (4, 3)
> ++#  define __ul_calloc_size(n, s) __attribute__((alloc_size(n, s), warn_unused_result))
> ++# else
> ++#  define __ul_calloc_size(n, s)
> ++# endif
> ++#endif
> ++
> ++#if __has_attribute(returns_nonnull) || __GNUC_PREREQ (4, 9)
> ++# define __ul_returns_nonnull __attribute__((returns_nonnull))
> ++#else
> ++# define __ul_returns_nonnull
> ++#endif
> ++
> ++/*
> ++ * Force a compilation error if condition is true, but also produce a
> ++ * result (of value 0 and type size_t), so the expression can be used
> ++ * e.g. in a structure initializer (or wherever else comma expressions
> ++ * aren't permitted).
> ++ */
> ++#define UL_BUILD_BUG_ON_ZERO(e) __extension__ (sizeof(struct { int:-!!(e); }))
> ++#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); }))
> ++
> ++#ifndef ARRAY_SIZE
> ++# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
> ++#endif
> ++
> ++#ifndef PATH_MAX
> ++# define PATH_MAX 4096
> ++#endif
> ++
> ++#ifndef TRUE
> ++# define TRUE 1
> ++#endif
> ++
> ++#ifndef FALSE
> ++# define FALSE 0
> ++#endif
> ++
> ++#ifndef min
> ++# define min(x, y) __extension__ ({           \
> ++      __typeof__(x) _min1 = (x);              \
> ++      __typeof__(y) _min2 = (y);              \
> ++      (void) (&_min1 == &_min2);              \
> ++      _min1 < _min2 ? _min1 : _min2; })
> ++#endif
> ++
> ++#ifndef max
> ++# define max(x, y) __extension__ ({           \
> ++      __typeof__(x) _max1 = (x);              \
> ++      __typeof__(y) _max2 = (y);              \
> ++      (void) (&_max1 == &_max2);              \
> ++      _max1 > _max2 ? _max1 : _max2; })
> ++#endif
> ++
> ++#ifndef cmp_numbers
> ++# define cmp_numbers(x, y) __extension__ ({   \
> ++      __typeof__(x) _a = (x);                 \
> ++      __typeof__(y) _b = (y);                 \
> ++      (void) (&_a == &_b);                    \
> ++      _a == _b ? 0 : _a > _b ? 1 : -1; })
> ++#endif
> ++
> ++#ifndef offsetof
> ++#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
> ++#endif
> ++
> ++/*
> ++ * container_of - cast a member of a structure out to the containing structure
> ++ * @ptr:      the pointer to the member.
> ++ * @type:     the type of the container struct this is embedded in.
> ++ * @member:   the name of the member within the struct.
> ++ */
> ++#ifndef container_of
> ++#define container_of(ptr, type, member) __extension__ ({      \
> ++      const __typeof__( ((type *)0)->member ) *__mptr = (ptr); \
> ++      (type *)( (char *)__mptr - offsetof(type,member) );})
> ++#endif
> ++
> ++#ifndef HAVE_PROGRAM_INVOCATION_SHORT_NAME
> ++# ifdef HAVE___PROGNAME
> ++extern char *__progname;
> ++#  define program_invocation_short_name __progname
> ++# else
> ++#  ifdef HAVE_GETEXECNAME
> ++#   define program_invocation_short_name \
> ++              prog_inv_sh_nm_from_file(getexecname(), 0)
> ++#  else
> ++#   define program_invocation_short_name \
> ++              prog_inv_sh_nm_from_file(__FILE__, 1)
> ++#  endif
> ++static char prog_inv_sh_nm_buf[256];
> ++static inline char *
> ++prog_inv_sh_nm_from_file(char *f, char stripext)
> ++{
> ++      char *t;
> ++
> ++      if ((t = strrchr(f, '/')) != NULL)
> ++              t++;
> ++      else
> ++              t = f;
> ++
> ++      strncpy(prog_inv_sh_nm_buf, t, sizeof(prog_inv_sh_nm_buf) - 1);
> ++      prog_inv_sh_nm_buf[sizeof(prog_inv_sh_nm_buf) - 1] = '\0';
> ++
> ++      if (stripext && (t = strrchr(prog_inv_sh_nm_buf, '.')) != NULL)
> ++              *t = '\0';
> ++
> ++      return prog_inv_sh_nm_buf;
> ++}
> ++# endif
> ++#endif
> ++
> ++
> ++#ifndef HAVE_ERR_H
> ++static inline void
> ++errmsg(char doexit, int excode, char adderr, const char *fmt, ...)
> ++{
> ++      fprintf(stderr, "%s: ", program_invocation_short_name);
> ++      if (fmt != NULL) {
> ++              va_list argp;
> ++              va_start(argp, fmt);
> ++              vfprintf(stderr, fmt, argp);
> ++              va_end(argp);
> ++              if (adderr)
> ++                      fprintf(stderr, ": ");
> ++      }
> ++      if (adderr)
> ++              fprintf(stderr, "%m");
> ++      fprintf(stderr, "\n");
> ++      if (doexit)
> ++              exit(excode);
> ++}
> ++
> ++#ifndef HAVE_ERR
> ++# define err(E, FMT...) errmsg(1, E, 1, FMT)
> ++#endif
> ++
> ++#ifndef HAVE_ERRX
> ++# define errx(E, FMT...) errmsg(1, E, 0, FMT)
> ++#endif
> ++
> ++#ifndef HAVE_WARN
> ++# define warn(FMT...) errmsg(0, 0, 1, FMT)
> ++#endif
> ++
> ++#ifndef HAVE_WARNX
> ++# define warnx(FMT...) errmsg(0, 0, 0, FMT)
> ++#endif
> ++#endif /* !HAVE_ERR_H */
> ++
> ++
> ++/* Don't use inline function to avoid '#include "nls.h"' in c.h
> ++ */
> ++#define errtryhelp(eval) __extension__ ({ \
> ++      fprintf(stderr, _("Try '%s --help' for more information.\n"), \
> ++                      program_invocation_short_name); \
> ++      exit(eval); \
> ++})
> ++
> ++/* After failed execvp() */
> ++#define EX_EXEC_FAILED                126     /* Program located, but not usable. */
> ++#define EX_EXEC_ENOENT                127     /* Could not find program to exec.  */
> ++#define errexec(name) err(errno == ENOENT ? EX_EXEC_ENOENT : EX_EXEC_FAILED, \
> ++                      _("failed to execute %s"), name)
> ++
> ++
> ++static inline __attribute__((const)) int is_power_of_2(unsigned long num)
> ++{
> ++      return (num != 0 && ((num & (num - 1)) == 0));
> ++}
> ++
> ++#ifndef HAVE_LOFF_T
> ++typedef int64_t loff_t;
> ++#endif
> ++
> ++#if !defined(HAVE_DIRFD) && (!defined(HAVE_DECL_DIRFD) || HAVE_DECL_DIRFD == 0) && defined(HAVE_DIR_DD_FD)
> ++#include <sys/types.h>
> ++#include <dirent.h>
> ++static inline int dirfd(DIR *d)
> ++{
> ++      return d->dd_fd;
> ++}
> ++#endif
> ++
> ++/*
> ++ * Fallback defines for old versions of glibc
> ++ */
> ++#include <fcntl.h>
> ++
> ++#ifdef O_CLOEXEC
> ++#define UL_CLOEXECSTR "e"
> ++#else
> ++#define UL_CLOEXECSTR ""
> ++#endif
> ++
> ++#ifndef O_CLOEXEC
> ++#define O_CLOEXEC 0
> ++#endif
> ++
> ++#ifdef __FreeBSD_kernel__
> ++#ifndef F_DUPFD_CLOEXEC
> ++#define F_DUPFD_CLOEXEC       17      /* Like F_DUPFD, but FD_CLOEXEC is set */
> ++#endif
> ++#endif
> ++
> ++
> ++#ifndef AI_ADDRCONFIG
> ++#define AI_ADDRCONFIG 0x0020
> ++#endif
> ++
> ++#ifndef IUTF8
> ++#define IUTF8 0040000
> ++#endif
> ++
> ++/*
> ++ * MAXHOSTNAMELEN replacement
> ++ */
> ++static inline size_t get_hostname_max(void)
> ++{
> ++      long len = sysconf(_SC_HOST_NAME_MAX);
> ++
> ++      if (0 < len)
> ++              return len;
> ++
> ++#ifdef MAXHOSTNAMELEN
> ++      return MAXHOSTNAMELEN;
> ++#elif HOST_NAME_MAX
> ++      return HOST_NAME_MAX;
> ++#endif
> ++      return 64;
> ++}
> ++
> ++
> ++/*
> ++ * Constant strings for usage() functions. For more info see
> ++ * Documentation/{howto-usage-function.txt,boilerplate.c}
> ++ */
> ++#define USAGE_HEADER     ("\nUsage:\n")
> ++#define USAGE_OPTIONS    ("\nOptions:\n")
> ++#define USAGE_FUNCTIONS  ("\nFunctions:\n")
> ++#define USAGE_COMMANDS   ("\nCommands:\n")
> ++#define USAGE_COLUMNS    ("\nAvailable output columns:\n")
> ++#define USAGE_SEPARATOR    "\n"
> ++
> ++#define USAGE_OPTSTR_HELP     ("display this help")
> ++#define USAGE_OPTSTR_VERSION  ("display version")
> ++
> ++#define USAGE_HELP_OPTIONS(marg_dsc) \
> ++              "%-" #marg_dsc "s%s\n" \
> ++              "%-" #marg_dsc "s%s\n" \
> ++              , " -h, --help",    USAGE_OPTSTR_HELP \
> ++              , " -V, --version", USAGE_OPTSTR_VERSION
> ++
> ++#define USAGE_MAN_TAIL(_man)   ("\nFor more details see %s.\n"), _man
> ++
> ++#define UTIL_LINUX_VERSION ("%s from %s\n"), program_invocation_short_name, PACKAGE_STRING
> ++
> ++#define print_version(eval) __extension__ ({ \
> ++              printf(UTIL_LINUX_VERSION); \
> ++              exit(eval); \
> ++})
> ++
> ++/*
> ++ * scanf modifiers for "strings allocation"
> ++ */
> ++#ifdef HAVE_SCANF_MS_MODIFIER
> ++#define UL_SCNsA      "%ms"
> ++#elif defined(HAVE_SCANF_AS_MODIFIER)
> ++#define UL_SCNsA      "%as"
> ++#endif
> ++
> ++/*
> ++ * seek stuff
> ++ */
> ++#ifndef SEEK_DATA
> ++# define SEEK_DATA    3
> ++#endif
> ++#ifndef SEEK_HOLE
> ++# define SEEK_HOLE    4
> ++#endif
> ++
> ++
> ++/*
> ++ * Macros to convert #define'itions to strings, for example
> ++ * #define XYXXY 42
> ++ * printf ("%s=%s\n", stringify(XYXXY), stringify_value(XYXXY));
> ++ */
> ++#define stringify_value(s) stringify(s)
> ++#define stringify(s) #s
> ++
> ++/*
> ++ * UL_ASAN_BLACKLIST is a macro to tell AddressSanitizer (a compile-time
> ++ * instrumentation shipped with Clang and GCC) to not instrument the
> ++ * annotated function.  Furthermore, it will prevent the compiler from
> ++ * inlining the function because inlining currently breaks the blacklisting
> ++ * mechanism of AddressSanitizer.
> ++ */
> ++#if __has_feature(address_sanitizer) && __has_attribute(no_sanitize_memory) && __has_attribute(no_sanitize_address)
> ++# define UL_ASAN_BLACKLIST __attribute__((noinline)) __attribute__((no_sanitize_memory)) __attribute__((no_sanitize_address))
> ++#else
> ++# define UL_ASAN_BLACKLIST    /* nothing */
> ++#endif
> ++
> ++/*
> ++ * Note that sysconf(_SC_GETPW_R_SIZE_MAX) returns *initial* suggested size for
> ++ * pwd buffer and in some cases it is not large enough. See POSIX and
> ++ * getpwnam_r man page for more details.
> ++ */
> ++#define UL_GETPW_BUFSIZ       (16 * 1024)
> ++
> ++/*
> ++ * Darwin or other BSDs may only have MAP_ANON. To get it on Darwin we must
> ++ * define _DARWIN_C_SOURCE before including sys/mman.h. We do this in config.h.
> ++ */
> ++#if !defined MAP_ANONYMOUS && defined MAP_ANON
> ++# define MAP_ANONYMOUS  (MAP_ANON)
> ++#endif
> ++
> ++#endif /* UTIL_LINUX_C_H */
> +--- /dev/null
> ++++ b/locale/programs/xalloc.h
> +@@ -0,0 +1,129 @@
> ++/*
> ++ * Copyright (C) 2010 Davidlohr Bueso <dave at gnu.org>
> ++ *
> ++ * This file may be redistributed under the terms of the
> ++ * GNU Lesser General Public License.
> ++ *
> ++ * General memory allocation wrappers for malloc, realloc, calloc and strdup
> ++ */
> ++
> ++#ifndef UTIL_LINUX_XALLOC_H
> ++#define UTIL_LINUX_XALLOC_H
> ++
> ++#include <stdlib.h>
> ++#include <string.h>
> ++
> ++#include "c.h"
> ++
> ++#ifndef XALLOC_EXIT_CODE
> ++# define XALLOC_EXIT_CODE EXIT_FAILURE
> ++#endif
> ++
> ++static inline void __attribute__((__noreturn__))
> ++__err_oom(const char *file, unsigned int line)
> ++{
> ++      err(XALLOC_EXIT_CODE, "%s: %u: cannot allocate memory", file, line);
> ++}
> ++
> ++#define err_oom()     __err_oom(__FILE__, __LINE__)
> ++
> ++static inline __ul_alloc_size(1) __ul_returns_nonnull
> ++void *xmalloc(const size_t size)
> ++{
> ++        void *ret = malloc(size);
> ++
> ++        if (!ret && size)
> ++                err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
> ++        return ret;
> ++}
> ++
> ++static inline __ul_alloc_size(2) __ul_returns_nonnull
> ++void *xrealloc(void *ptr, const size_t size)
> ++{
> ++        void *ret = realloc(ptr, size);
> ++
> ++        if (!ret && size)
> ++                err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
> ++        return ret;
> ++}
> ++
> ++static inline __ul_calloc_size(1, 2) __ul_returns_nonnull
> ++void *xcalloc(const size_t nelems, const size_t size)
> ++{
> ++        void *ret = calloc(nelems, size);
> ++
> ++        if (!ret && size && nelems)
> ++                err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
> ++        return ret;
> ++}
> ++
> ++static inline char __attribute__((warn_unused_result)) __ul_returns_nonnull
> ++*xstrdup(const char *str)
> ++{
> ++        char *ret;
> ++
> ++        if (!str)
> ++                return NULL;
> ++
> ++        ret = strdup(str);
> ++
> ++        if (!ret)
> ++                err(XALLOC_EXIT_CODE, "cannot duplicate string");
> ++        return ret;
> ++}
> ++
> ++static inline char * __attribute__((warn_unused_result)) __ul_returns_nonnull
> ++xstrndup(const char *str, size_t size)
> ++{
> ++        char *ret;
> ++
> ++        if (!str)
> ++                return NULL;
> ++
> ++        ret = strndup(str, size);
> ++
> ++        if (!ret)
> ++                err(XALLOC_EXIT_CODE, "cannot duplicate string");
> ++        return ret;
> ++}
> ++
> ++
> ++static inline int __attribute__ ((__format__(printf, 2, 3)))
> ++    xasprintf(char **strp, const char *fmt, ...)
> ++{
> ++      int ret;
> ++      va_list args;
> ++      va_start(args, fmt);
> ++      ret = vasprintf(&(*strp), fmt, args);
> ++      va_end(args);
> ++      if (ret < 0)
> ++              err(XALLOC_EXIT_CODE, "cannot allocate string");
> ++      return ret;
> ++}
> ++
> ++static inline int  __attribute__ ((__format__(printf, 2, 0)))
> ++xvasprintf(char **strp, const char *fmt, va_list ap)
> ++{
> ++      int ret = vasprintf(&(*strp), fmt, ap);
> ++      if (ret < 0)
> ++              err(XALLOC_EXIT_CODE, "cannot allocate string");
> ++      return ret;
> ++}
> ++
> ++
> ++static inline char * __attribute__((warn_unused_result)) xgethostname(void)
> ++{
> ++      char *name;
> ++      size_t sz = get_hostname_max() + 1;
> ++
> ++      name = xmalloc(sizeof(char) * sz);
> ++
> ++      if (gethostname(name, sz) != 0) {
> ++              free(name);
> ++              return NULL;
> ++      }
> ++      name[sz - 1] = '\0';
> ++      return name;
> ++}
> ++
> ++#endif
> diff --git a/meta/recipes-core/glibc/glibc/allow-compile-separate-from-util-linux-hardlink.patch b/meta/recipes-core/glibc/glibc/allow-compile-separate-from-util-linux-hardlink.patch
> new file mode 100644
> index 0000000000..1148ebfcc7
> --- /dev/null
> +++ b/meta/recipes-core/glibc/glibc/allow-compile-separate-from-util-linux-hardlink.patch
> @@ -0,0 +1,226 @@
> +---
> + locale/programs/c.h                        |    2
> + locale/programs/cross-localedef-hardlink.c |   79 +++++++++++++----------------
> + 2 files changed, 39 insertions(+), 42 deletions(-)
> +
> +--- a/locale/programs/cross-localedef-hardlink.c
> ++++ b/locale/programs/cross-localedef-hardlink.c
> +@@ -20,6 +20,8 @@
> +  * with this program; if not, write to the Free Software Foundation, Inc.,
> +  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> +  */
> ++
> ++#undef HAVE_PCRE
> + #include <sys/types.h>
> + #include <stdlib.h>
> + #include <getopt.h>
> +@@ -38,8 +40,8 @@
> +
> + #include "c.h"
> + #include "xalloc.h"
> +-#include "nls.h"
> +-#include "closestream.h"
> ++//#include "nls.h"
> ++//#include "closestream.h"
> +
> + #define NHASH   (1<<17)  /* Must be a power of 2! */
> + #define NBUF    64
> +@@ -124,33 +126,33 @@ static void print_summary(void)
> +       if (ctl->verbose > 1 && ctl->nlinks)
> +               fputc('\n', stdout);
> +
> +-      printf(_("Directories:   %9lld\n"), ctl->ndirs);
> +-      printf(_("Objects:       %9lld\n"), ctl->nobjects);
> +-      printf(_("Regular files: %9lld\n"), ctl->nregfiles);
> +-      printf(_("Comparisons:   %9lld\n"), ctl->ncomp);
> ++      printf(("Directories:   %9lld\n"), ctl->ndirs);
> ++      printf(("Objects:       %9lld\n"), ctl->nobjects);
> ++      printf(("Regular files: %9lld\n"), ctl->nregfiles);
> ++      printf(("Comparisons:   %9lld\n"), ctl->ncomp);
> +       printf(  "%s%9lld\n", (ctl->no_link ?
> +-             _("Would link:    ") :
> +-             _("Linked:        ")), ctl->nlinks);
> ++             ("Would link:    ") :
> ++             ("Linked:        ")), ctl->nlinks);
> +       printf(  "%s %9lld\n", (ctl->no_link ?
> +-             _("Would save:   ") :
> +-             _("Saved:        ")), ctl->nsaved);
> ++             ("Would save:   ") :
> ++             ("Saved:        ")), ctl->nsaved);
> + }
> +
> + static void __attribute__((__noreturn__)) usage(void)
> + {
> +       fputs(USAGE_HEADER, stdout);
> +-      printf(_(" %s [options] directory...\n"), program_invocation_short_name);
> ++      printf((" %s [options] directory...\n"), program_invocation_short_name);
> +
> +       fputs(USAGE_SEPARATOR, stdout);
> +-      puts(_("Consolidate duplicate files using hardlinks."));
> ++      puts(("Consolidate duplicate files using hardlinks."));
> +
> +       fputs(USAGE_OPTIONS, stdout);
> +-      puts(_(" -c, --content          compare only contents, ignore permission, etc."));
> +-      puts(_(" -n, --dry-run          don't actually link anything"));
> +-      puts(_(" -v, --verbose          print summary after hardlinking"));
> +-      puts(_(" -vv                    print every hardlinked file and summary"));
> +-      puts(_(" -f, --force            force hardlinking across filesystems"));
> +-      puts(_(" -x, --exclude <regex>  exclude files matching pattern"));
> ++      puts((" -c, --content          compare only contents, ignore permission, etc."));
> ++      puts((" -n, --dry-run          don't actually link anything"));
> ++      puts((" -v, --verbose          print summary after hardlinking"));
> ++      puts((" -vv                    print every hardlinked file and summary"));
> ++      puts((" -f, --force            force hardlinking across filesystems"));
> ++      puts((" -x, --exclude <regex>  exclude files matching pattern"));
> +
> +       fputs(USAGE_SEPARATOR, stdout);
> +       printf(USAGE_HELP_OPTIONS(16)); /* char offset to align option descriptions */
> +@@ -164,7 +166,7 @@ static inline size_t add2(size_t a, size
> +       size_t sum = a + b;
> +
> +       if (sum < a)
> +-              errx(EXIT_FAILURE, _("integer overflow"));
> ++              errx(EXIT_FAILURE, ("integer overflow"));
> +       return sum;
> + }
> +
> +@@ -193,7 +195,7 @@ static void process_path(struct hardlink
> +       if (st.st_dev != ctl->dev && !ctl->force) {
> +               if (ctl->dev)
> +                       errx(EXIT_FAILURE,
> +-                           _("%s is on different filesystem than the rest "
> ++                           ("%s is on different filesystem than the rest "
> +                              "(use -f option to override)."), name);
> +               ctl->dev = st.st_dev;
> +       }
> +@@ -287,9 +289,9 @@ static void process_path(struct hardlink
> +                                                       (ssize_t) sizeof(ctl->iobuf1) : fsize;
> +
> +                                       if ((xsz = read(fd, ctl->iobuf1, rsize)) != rsize)
> +-                                              warn(_("cannot read %s"), name);
> ++                                              warn(("cannot read %s"), name);
> +                                       else if ((xsz = read(fd2, ctl->iobuf2, rsize)) != rsize)
> +-                                              warn(_("cannot read %s"), fp2->name);
> ++                                              warn(("cannot read %s"), fp2->name);
> +
> +                                       if (xsz != rsize) {
> +                                               close(fd);
> +@@ -303,13 +305,13 @@ static void process_path(struct hardlink
> +                               if (fsize > 0)
> +                                       continue;
> +                               if (lstat(name, &st3)) {
> +-                                      warn(_("cannot stat %s"), name);
> ++                                      warn(("cannot stat %s"), name);
> +                                       close(fd);
> +                                       return;
> +                               }
> +                               st3.st_atime = st.st_atime;
> +                               if (stcmp(&st, &st3, 0)) {
> +-                                      warnx(_("file %s changed underneath us"), name);
> ++                                      warnx(("file %s changed underneath us"), name);
> +                                       close(fd);
> +                                       return;
> +                               }
> +@@ -329,18 +331,18 @@ static void process_path(struct hardlink
> +                                              suffixlen + 1);
> +                                       /* First create a temporary link to n1 under a new name */
> +                                       if (link(n1, nam2.buf)) {
> +-                                              warn(_("failed to hardlink %s to %s (create temporary link as %s failed)"),
> ++                                              warn(("failed to hardlink %s to %s (create temporary link as %s failed)"),
> +                                                       n1, n2, nam2.buf);
> +                                               free(nam2.buf);
> +                                               continue;
> +                                       }
> +                                       /* Then rename into place over the existing n2 */
> +                                       if (rename(nam2.buf, n2)) {
> +-                                              warn(_("failed to hardlink %s to %s (rename temporary link to %s failed)"),
> ++                                              warn(("failed to hardlink %s to %s (rename temporary link to %s failed)"),
> +                                                       n1, n2, n2);
> +                                               /* Something went wrong, try to remove the now redundant temporary link */
> +                                               if (unlink(nam2.buf))
> +-                                                      warn(_("failed to remove temporary link %s"), nam2.buf);
> ++                                                      warn(("failed to remove temporary link %s"), nam2.buf);
> +                                               free(nam2.buf);
> +                                               continue;
> +                                       }
> +@@ -351,16 +353,16 @@ static void process_path(struct hardlink
> +                                       /* We actually did not save anything this time, since the link second argument
> +                                          had some other links as well.  */
> +                                       if (ctl->verbose > 1)
> +-                                              printf(_(" %s %s to %s\n"),
> +-                                                      (ctl->no_link ? _("Would link") : _("Linked")),
> ++                                              printf((" %s %s to %s\n"),
> ++                                                      (ctl->no_link ? ("Would link") : ("Linked")),
> +                                                       n1, n2);
> +                               } else {
> +                                       ctl->nsaved += ((st.st_size + 4095) / 4096) * 4096;
> +                                       if (ctl->verbose > 1)
> +-                                              printf(_(" %s %s to %s, %s %jd\n"),
> +-                                                      (ctl->no_link ? _("Would link") : _("Linked")),
> ++                                              printf((" %s %s to %s, %s %jd\n"),
> ++                                                      (ctl->no_link ? ("Would link") : ("Linked")),
> +                                                       n1, n2,
> +-                                                      (ctl->no_link ? _("would save") : _("saved")),
> ++                                                      (ctl->no_link ? ("would save") : ("saved")),
> +                                                       (intmax_t)st.st_size);
> +                               }
> +                               close(fd);
> +@@ -410,11 +412,6 @@ int main(int argc, char **argv)
> +               { NULL, 0, NULL, 0 },
> +       };
> +
> +-      setlocale(LC_ALL, "");
> +-      bindtextdomain(PACKAGE, LOCALEDIR);
> +-      textdomain(PACKAGE);
> +-      close_stdout_atexit();
> +-
> +       while ((ch = getopt_long(argc, argv, "cnvfx:Vh", longopts, NULL)) != -1) {
> +               switch (ch) {
> +               case 'n':
> +@@ -434,7 +431,7 @@ int main(int argc, char **argv)
> +                       exclude_pattern = (PCRE2_SPTR) optarg;
> + #else
> +                       errx(EXIT_FAILURE,
> +-                           _("option --exclude not supported (built without pcre2)"));
> ++                           ("option --exclude not supported (built without pcre2)"));
> + #endif
> +                       break;
> +               case 'V':
> +@@ -447,7 +444,7 @@ int main(int argc, char **argv)
> +       }
> +
> +       if (optind == argc) {
> +-              warnx(_("no directory specified"));
> ++              warnx(("no directory specified"));
> +               errtryhelp(EXIT_FAILURE);
> +       }
> +
> +@@ -461,7 +458,7 @@ int main(int argc, char **argv)
> +                       PCRE2_UCHAR buffer[256];
> +                       pcre2_get_error_message(errornumber, buffer,
> +                                               sizeof(buffer));
> +-                      errx(EXIT_FAILURE, _("pattern error at offset %d: %s"),
> ++                      errx(EXIT_FAILURE, ("pattern error at offset %d: %s"),
> +                               (int)erroroffset, buffer);
> +               }
> +               match_data = pcre2_match_data_create_from_pattern(re, NULL);
> +@@ -506,7 +503,7 @@ int main(int argc, char **argv)
> +                           >=0) {
> +                               if (ctl->verbose) {
> +                                       nam1.buf[nam1baselen] = 0;
> +-                                      printf(_("Skipping %s%s\n"), nam1.buf, di->d_name);
> ++                                      printf(("Skipping %s%s\n"), nam1.buf, di->d_name);
> +                               }
> +                               continue;
> +                       }
> +--- a/locale/programs/c.h
> ++++ b/locale/programs/c.h
> +@@ -240,7 +240,7 @@ errmsg(char doexit, int excode, char add
> + /* Don't use inline function to avoid '#include "nls.h"' in c.h
> +  */
> + #define errtryhelp(eval) __extension__ ({ \
> +-      fprintf(stderr, _("Try '%s --help' for more information.\n"), \
> ++      fprintf(stderr, ("Try '%s --help' for more information.\n"), \
> +                       program_invocation_short_name); \
> +       exit(eval); \
> + })
> --
> 2.21.0
>
> --
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org
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