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Diff for /embedaddon/libiconv/srcm4/lstat.m4 between versions 1.1.1.1 and 1.1.1.2

version 1.1.1.1, 2012/05/29 09:29:44 version 1.1.1.2, 2021/03/17 13:38:46
Line 1 Line 1
# serial 23# serial 32
   
# Copyright (C) 1997-2001, 2003-2011 Free Software Foundation, Inc.# Copyright (C) 1997-2001, 2003-2019 Free Software Foundation, Inc.
 #  #
 # This file is free software; the Free Software Foundation  # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,  # gives unlimited permission to copy and/or distribute it,
Line 10  dnl From Jim Meyering. Line 10  dnl From Jim Meyering.
   
 AC_DEFUN([gl_FUNC_LSTAT],  AC_DEFUN([gl_FUNC_LSTAT],
 [  [
     AC_REQUIRE([AC_CANONICAL_HOST])
   AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])    AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
   dnl If lstat does not exist, the replacement <sys/stat.h> does    dnl If lstat does not exist, the replacement <sys/stat.h> does
   dnl "#define lstat stat", and lstat.c is a no-op.    dnl "#define lstat stat", and lstat.c is a no-op.
   AC_CHECK_FUNCS_ONCE([lstat])    AC_CHECK_FUNCS_ONCE([lstat])
   if test $ac_cv_func_lstat = yes; then    if test $ac_cv_func_lstat = yes; then
     AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])      AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
    if test $gl_cv_func_lstat_dereferences_slashed_symlink = no; then    case $host_os,$gl_cv_func_lstat_dereferences_slashed_symlink in
      REPLACE_LSTAT=1      solaris* | *no)
    fi        REPLACE_LSTAT=1
         ;;
     esac
   else    else
     HAVE_LSTAT=0      HAVE_LSTAT=0
   fi    fi
 ])  ])
   
 # Prerequisites of lib/lstat.c.  # Prerequisites of lib/lstat.c.
AC_DEFUN([gl_PREREQ_LSTAT],AC_DEFUN([gl_PREREQ_LSTAT], [:])
[ 
  AC_REQUIRE([AC_C_INLINE]) 
  : 
]) 
   
 AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],  AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],
 [  [
   dnl We don't use AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK any more, because it    dnl We don't use AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK any more, because it
   dnl is no longer maintained in Autoconf and because it invokes AC_LIBOBJ.    dnl is no longer maintained in Autoconf and because it invokes AC_LIBOBJ.
     AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
   AC_CACHE_CHECK([whether lstat correctly handles trailing slash],    AC_CACHE_CHECK([whether lstat correctly handles trailing slash],
     [gl_cv_func_lstat_dereferences_slashed_symlink],      [gl_cv_func_lstat_dereferences_slashed_symlink],
     [rm -f conftest.sym conftest.file      [rm -f conftest.sym conftest.file
      echo >conftest.file       echo >conftest.file
     if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then     AC_RUN_IFELSE(
       AC_RUN_IFELSE(       [AC_LANG_PROGRAM(
         [AC_LANG_PROGRAM(          [AC_INCLUDES_DEFAULT],
            [AC_INCLUDES_DEFAULT],          [[struct stat sbuf;
            [[struct stat sbuf;            if (symlink ("conftest.file", "conftest.sym") != 0)
              /* Linux will dereference the symlink and fail, as required by              return 1;
                 POSIX.  That is better in the sense that it means we will not            /* Linux will dereference the symlink and fail, as required by
                 have to compile and use the lstat wrapper.  */               POSIX.  That is better in the sense that it means we will not
              return lstat ("conftest.sym/", &sbuf) == 0;               have to compile and use the lstat wrapper.  */
            ]])],            return lstat ("conftest.sym/", &sbuf) == 0;
         [gl_cv_func_lstat_dereferences_slashed_symlink=yes],          ]])],
         [gl_cv_func_lstat_dereferences_slashed_symlink=no],       [gl_cv_func_lstat_dereferences_slashed_symlink=yes],
         [# When cross-compiling, be pessimistic so we will end up using the       [gl_cv_func_lstat_dereferences_slashed_symlink=no],
          # replacement version of lstat that checks for trailing slashes and       [case "$host_os" in
          # calls lstat a second time when necessary.          linux-* | linux)
          gl_cv_func_lstat_dereferences_slashed_symlink=no            # Guess yes on Linux systems.
         ])            gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
     else          *-gnu* | gnu*)
       # If the 'ln -s' command failed, then we probably don't even            # Guess yes on glibc systems.
       # have an lstat function.            gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
       gl_cv_func_lstat_dereferences_slashed_symlink=no          mingw*)
     fi            # Guess no on native Windows.
             gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
           *)
             # If we don't know, assume the worst.
             gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
         esac
        ])
      rm -f conftest.sym conftest.file       rm -f conftest.sym conftest.file
     ])      ])
  test $gl_cv_func_lstat_dereferences_slashed_symlink = yes &&  case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
    AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1],    *yes)
      [Define to 1 if `lstat' dereferences a symlink specified      AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1],
       with a trailing slash.])        [Define to 1 if 'lstat' dereferences a symlink specified
          with a trailing slash.])
       ;;
   esac
 ])  ])
Removed from v.1.1.1.1  
changed lines
  Added in v.1.1.1.2

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