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Jim Meyering
1999-12-18 23:00:58 +00:00
parent 96c183f34f
commit a9afc5a7d0
1 changed files with 13 additions and 2 deletions
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15
m4/lstat-slash.m4
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@@ -20,20 +20,31 @@ AC_DEFUN(jm_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK,
main ()
{
struct stat sbuf;
/* Linux will dereference the symlink and fail.
That is better in the sense that it means we will not
have to compile and use the lstat wrapper. */
exit (lstat ("conftest.sym/", &sbuf) ? 0 : 1);
}
],
jm_cv_func_lstat_dereferences_slashed_symlink=yes,
jm_cv_func_lstat_dereferences_slashed_symlink=no,
dnl When crosscompiling, be pessimistic so we'll end up using the
dnl When crosscompiling, be pessimistic so we will end up using the
dnl replacement version of lstat that checkes for trailing slashes
dnl and calls lstat a second time when necessary.
jm_cv_func_lstat_dereferences_slashed_symlink=no
)
else
jm_cv_func_lstat_dereferences_slashed_symlink=no
fi
])
if test $jm_cv_func_lstat_dereferences_slashed_symlink = yes; then
# FIXME: convert to 0 or 1.
AC_DEFINE_UNQUOTED(LSTAT_FOLLOWS_SLASHED_SYMLINK, FIXME,
[Define if lstat dereferences a symlink specified with a trailing slash])
if test $jm_cv_func_lstat_dereferences_slashed_symlink = no; then
AC_SUBST(LIBOBJS)
# FIXME: append to LIBOBJS only if it's not there already.
LIBOBJS="$LIBOBJS lstat.$ac_objext"
AC_DEFINE_UNQUOTED(LSTAT_FOLLOWS_SLASHED_SYMLINK, 1,
[Define if lstat dereferences a symlink specified with a trailing slash])