Use fdopendir, fstatat and readlinkat, for efficiency.

[gnu-emacs] / m4 / gnulib-comp.m4

diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index b7109c5f87f284e13f20cb28c7acbfc347f8d3c6..8098a52e5015b5e7e17985475f29ce511ed765d9 100644 (file)
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -40,6 +40,7 @@ AC_DEFUN([gl_EARLY],
   AC_REQUIRE([gl_PROG_AR_RANLIB])
   # Code from module alloca-opt:
   # Code from module allocator:
+  # Code from module at-internal:
   # Code from module c-ctype:
   # Code from module c-strcase:
   # Code from module careadlinkat:
@@ -49,6 +50,7 @@ AC_DEFUN([gl_EARLY],
   # Code from module crypto/sha1:
   # Code from module crypto/sha256:
   # Code from module crypto/sha512:
+  # Code from module dirent:
   # Code from module dosname:
   # Code from module dtoastr:
   # Code from module dtotimespec:
@@ -61,8 +63,10 @@ AC_DEFUN([gl_EARLY],
   # Code from module extern-inline:
   # Code from module faccessat:
   # Code from module fcntl-h:
+  # Code from module fdopendir:
   # Code from module filemode:
   # Code from module fpending:
+  # Code from module fstatat:
   # Code from module getgroups:
   # Code from module getloadavg:
   # Code from module getopt-gnu:
@@ -82,11 +86,13 @@ AC_DEFUN([gl_EARLY],
   # Code from module mktime:
   # Code from module multiarch:
   # Code from module nocrash:
+  # Code from module openat-h:
   # Code from module pathmax:
   # Code from module pselect:
   # Code from module pthread_sigmask:
   # Code from module putenv:
   # Code from module readlink:
+  # Code from module readlinkat:
   # Code from module root-uid:
   # Code from module sig2str:
   # Code from module signal-h:
@@ -159,6 +165,7 @@ AC_DEFUN([gl_INIT],
   gl_SHA1
   gl_SHA256
   gl_SHA512
+  gl_DIRENT_H
   AC_REQUIRE([gl_C99_STRTOLD])
   gl_FUNC_DUP2
   if test $HAVE_DUP2 = 0 || test $REPLACE_DUP2 = 1; then
@@ -178,12 +185,23 @@ AC_DEFUN([gl_INIT],
   gl_MODULE_INDICATOR([faccessat])
   gl_UNISTD_MODULE_INDICATOR([faccessat])
   gl_FCNTL_H
+  gl_FUNC_FDOPENDIR
+  if test $HAVE_FDOPENDIR = 0 || test $REPLACE_FDOPENDIR = 1; then
+    AC_LIBOBJ([fdopendir])
+  fi
+  gl_DIRENT_MODULE_INDICATOR([fdopendir])
+  gl_MODULE_INDICATOR([fdopendir])
   gl_FILEMODE
   gl_FUNC_FPENDING
   if test $ac_cv_func___fpending = no; then
     AC_LIBOBJ([fpending])
     gl_PREREQ_FPENDING
   fi
+  gl_FUNC_FSTATAT
+  if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then
+    AC_LIBOBJ([fstatat])
+  fi
+  gl_SYS_STAT_MODULE_INDICATOR([fstatat])
   gl_GETLOADAVG
   if test $HAVE_GETLOADAVG = 0; then
     AC_LIBOBJ([getloadavg])
@@ -253,6 +271,11 @@ AC_DEFUN([gl_INIT],
     gl_PREREQ_READLINK
   fi
   gl_UNISTD_MODULE_INDICATOR([readlink])
+  gl_FUNC_READLINKAT
+  if test $HAVE_READLINKAT = 0; then
+    AC_LIBOBJ([readlinkat])
+  fi
+  gl_UNISTD_MODULE_INDICATOR([readlinkat])
   gl_FUNC_SIG2STR
   if test $ac_cv_func_sig2str = no; then
     AC_LIBOBJ([sig2str])
@@ -311,11 +334,13 @@ AC_DEFUN([gl_INIT],
   fi
   gl_STDLIB_MODULE_INDICATOR([unsetenv])
   gl_UTIMENS
+  gl_gnulib_enabled_260941c0e5dc67ec9e87d1fb321c300b=false
   gl_gnulib_enabled_dosname=false
   gl_gnulib_enabled_euidaccess=false
   gl_gnulib_enabled_getgroups=false
   gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36=false
   gl_gnulib_enabled_a9786850e999ae65a836a6041e8e5ed1=false
+  gl_gnulib_enabled_03e0aaad4cb89ca757653bd367a6ccb7=false
   gl_gnulib_enabled_pathmax=false
   gl_gnulib_enabled_6099e9737f757db36c47fa9d9f02e88c=false
   gl_gnulib_enabled_stat=false
@@ -323,6 +348,13 @@ AC_DEFUN([gl_INIT],
   gl_gnulib_enabled_strtoull=false
   gl_gnulib_enabled_verify=false
   gl_gnulib_enabled_682e609604ccaac6be382e4ee3a4eaec=false
+  func_gl_gnulib_m4code_260941c0e5dc67ec9e87d1fb321c300b ()
+  {
+    if ! $gl_gnulib_enabled_260941c0e5dc67ec9e87d1fb321c300b; then
+      AC_LIBOBJ([openat-proc])
+      gl_gnulib_enabled_260941c0e5dc67ec9e87d1fb321c300b=true
+    fi
+  }
   func_gl_gnulib_m4code_dosname ()
   {
     if ! $gl_gnulib_enabled_dosname; then
@@ -385,6 +417,12 @@ AC_DEFUN([gl_INIT],
       fi
     fi
   }
+  func_gl_gnulib_m4code_03e0aaad4cb89ca757653bd367a6ccb7 ()
+  {
+    if ! $gl_gnulib_enabled_03e0aaad4cb89ca757653bd367a6ccb7; then
+      gl_gnulib_enabled_03e0aaad4cb89ca757653bd367a6ccb7=true
+    fi
+  }
   func_gl_gnulib_m4code_pathmax ()
   {
     if ! $gl_gnulib_enabled_pathmax; then
@@ -455,12 +493,30 @@ AC_DEFUN([gl_INIT],
       gl_gnulib_enabled_682e609604ccaac6be382e4ee3a4eaec=true
     fi
   }
+  if test $HAVE_FACCESSAT = 0; then
+    func_gl_gnulib_m4code_260941c0e5dc67ec9e87d1fb321c300b
+  fi
   if test $HAVE_FACCESSAT = 0; then
     func_gl_gnulib_m4code_dosname
   fi
   if test $HAVE_FACCESSAT = 0; then
     func_gl_gnulib_m4code_euidaccess
   fi
+  if test $HAVE_FACCESSAT = 0; then
+    func_gl_gnulib_m4code_03e0aaad4cb89ca757653bd367a6ccb7
+  fi
+  if test $HAVE_FDOPENDIR = 0; then
+    func_gl_gnulib_m4code_260941c0e5dc67ec9e87d1fb321c300b
+  fi
+  if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then
+    func_gl_gnulib_m4code_260941c0e5dc67ec9e87d1fb321c300b
+  fi
+  if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then
+    func_gl_gnulib_m4code_dosname
+  fi
+  if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then
+    func_gl_gnulib_m4code_03e0aaad4cb89ca757653bd367a6ccb7
+  fi
   if test $REPLACE_GETOPT = 1; then
     func_gl_gnulib_m4code_be453cec5eecf5731a274f2de7f2db36
   fi
@@ -473,6 +529,15 @@ AC_DEFUN([gl_INIT],
   if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
     func_gl_gnulib_m4code_stat
   fi
+  if test $HAVE_READLINKAT = 0; then
+    func_gl_gnulib_m4code_260941c0e5dc67ec9e87d1fb321c300b
+  fi
+  if test $HAVE_READLINKAT = 0; then
+    func_gl_gnulib_m4code_dosname
+  fi
+  if test $HAVE_READLINKAT = 0; then
+    func_gl_gnulib_m4code_03e0aaad4cb89ca757653bd367a6ccb7
+  fi
   if { test $HAVE_STRTOIMAX = 0 || test $REPLACE_STRTOIMAX = 1; } && test $ac_cv_type_long_long_int = yes; then
     func_gl_gnulib_m4code_strtoll
   fi
@@ -486,11 +551,13 @@ AC_DEFUN([gl_INIT],
     func_gl_gnulib_m4code_verify
   fi
   m4_pattern_allow([^gl_GNULIB_ENABLED_])
+  AM_CONDITIONAL([gl_GNULIB_ENABLED_260941c0e5dc67ec9e87d1fb321c300b], [$gl_gnulib_enabled_260941c0e5dc67ec9e87d1fb321c300b])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_dosname], [$gl_gnulib_enabled_dosname])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_euidaccess], [$gl_gnulib_enabled_euidaccess])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_getgroups], [$gl_gnulib_enabled_getgroups])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_be453cec5eecf5731a274f2de7f2db36], [$gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_a9786850e999ae65a836a6041e8e5ed1], [$gl_gnulib_enabled_a9786850e999ae65a836a6041e8e5ed1])
+  AM_CONDITIONAL([gl_GNULIB_ENABLED_03e0aaad4cb89ca757653bd367a6ccb7], [$gl_gnulib_enabled_03e0aaad4cb89ca757653bd367a6ccb7])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_pathmax], [$gl_gnulib_enabled_pathmax])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_6099e9737f757db36c47fa9d9f02e88c], [$gl_gnulib_enabled_6099e9737f757db36c47fa9d9f02e88c])
   AM_CONDITIONAL([gl_GNULIB_ENABLED_stat], [$gl_gnulib_enabled_stat])
@@ -656,6 +723,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/careadlinkat.h
   lib/close-stream.c
   lib/close-stream.h
+  lib/dirent.in.h
   lib/dosname.h
   lib/dtoastr.c
   lib/dtotimespec.c
@@ -665,10 +733,12 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/execinfo.in.h
   lib/faccessat.c
   lib/fcntl.in.h
+  lib/fdopendir.c
   lib/filemode.c
   lib/filemode.h
   lib/fpending.c
   lib/fpending.h
+  lib/fstatat.c
   lib/ftoastr.c
   lib/ftoastr.h
   lib/getgroups.c
@@ -689,11 +759,15 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/md5.h
   lib/mktime-internal.h
   lib/mktime.c
+  lib/openat-priv.h
+  lib/openat-proc.c
+  lib/openat.h
   lib/pathmax.h
   lib/pselect.c
   lib/pthread_sigmask.c
   lib/putenv.c
   lib/readlink.c
+  lib/readlinkat.c
   lib/root-uid.h
   lib/sha1.c
   lib/sha1.h
@@ -746,6 +820,7 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/c-strtod.m4
   m4/clock_time.m4
   m4/close-stream.m4
+  m4/dirent_h.m4
   m4/dup2.m4
   m4/environ.m4
   m4/euidaccess.m4
@@ -755,8 +830,10 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/faccessat.m4
   m4/fcntl-o.m4
   m4/fcntl_h.m4
+  m4/fdopendir.m4
   m4/filemode.m4
   m4/fpending.m4
+  m4/fstatat.m4
   m4/getgroups.m4
   m4/getloadavg.m4
   m4/getopt.m4
@@ -780,6 +857,7 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/pthread_sigmask.m4
   m4/putenv.m4
   m4/readlink.m4
+  m4/readlinkat.m4
   m4/setenv.m4
   m4/sha1.m4
   m4/sha256.m4