chown: work around OpenBSD bug

[pspp] / m4 / lchown.m4

diff --git a/m4/lchown.m4 b/m4/lchown.m4
index e40c4376262f7ae8509415cf1b03986436de01a5..f0d67fe806cc6bc9e516d44d00550a3c4f789f67 100644 (file)
--- a/m4/lchown.m4
+++ b/m4/lchown.m4
@@ -1,4 +1,4 @@
-# serial 14
+# serial 15

 # Determine whether we need the lchown wrapper.
 
 dnl Copyright (C) 1998, 2001, 2003-2007, 2009 Free Software
 # Determine whether we need the lchown wrapper.
 
 dnl Copyright (C) 1998, 2001, 2003-2007, 2009 Free Software


@@ -9,18 +9,20 @@ dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 dnl From Jim Meyering.
 dnl with or without modifications, as long as this notice is preserved.
 
 dnl From Jim Meyering.

-dnl Provide lchown on systems that lack it, and work around trailing
-dnl slash bugs on systems that have it.
+dnl Provide lchown on systems that lack it, and work around bugs
+dnl on systems that have it.

 
 AC_DEFUN([gl_FUNC_LCHOWN],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_REQUIRE([gl_FUNC_CHOWN])
 
 AC_DEFUN([gl_FUNC_LCHOWN],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_REQUIRE([gl_FUNC_CHOWN])

+  AC_CHECK_FUNCS_ONCE([lchmod])

   AC_REPLACE_FUNCS([lchown])
   if test $ac_cv_func_lchown = no; then
     HAVE_LCHOWN=0
   AC_REPLACE_FUNCS([lchown])
   if test $ac_cv_func_lchown = no; then
     HAVE_LCHOWN=0

-  elif test "$gl_cv_func_chown_slash_works" != yes; then
-    dnl Trailing slash bugs in chown also occur in lchown.
+  elif test "$gl_cv_func_chown_slash_works" != yes \
+      || test "$gl_cv_func_chown_ctime_works" != yes; then
+    dnl Trailing slash and ctime bugs in chown also occur in lchown.

     AC_LIBOBJ([lchown])
     REPLACE_LCHOWN=1
   fi
     AC_LIBOBJ([lchown])
     REPLACE_LCHOWN=1
   fi