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41 lines
1.1 KiB
Plaintext
41 lines
1.1 KiB
Plaintext
#serial 3
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dnl From Jim Meyering.
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dnl Determine whether lstat has the bug that it succeeds when given the
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dnl zero-length file name argument. The lstat from SunOS4.1.4 and the Hurd
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dnl (as of 1998-11-01) do this.
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dnl
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dnl If it does, then define HAVE_LSTAT_EMPTY_STRING_BUG and arrange to
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dnl compile the wrapper function.
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dnl
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AC_DEFUN(jm_FUNC_LSTAT,
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[
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AC_CACHE_CHECK([whether lstat accepts an empty string],
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jm_cv_func_lstat_empty_string_bug,
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[AC_TRY_RUN([
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# include <sys/types.h>
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# include <sys/stat.h>
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int
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main ()
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{
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struct stat sbuf;
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exit (lstat ("", &sbuf) ? 1 : 0);
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}
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],
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jm_cv_func_lstat_empty_string_bug=yes,
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jm_cv_func_lstat_empty_string_bug=no,
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dnl When crosscompiling, assume lstat is broken.
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jm_cv_func_lstat_empty_string_bug=yes)
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])
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if test $jm_cv_func_lstat_empty_string_bug = yes; then
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AC_SUBST(LIBOBJS)
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LIBOBJS="$LIBOBJS lstat.$ac_objext"
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AC_DEFINE_UNQUOTED(HAVE_LSTAT_EMPTY_STRING_BUG, 1,
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[Define if lstat has the bug that it succeeds when given the zero-length
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file name argument. The lstat from SunOS4.1.4 and the Hurd as of 1998-11-01)
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do this. ])
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fi
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])
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