X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=m4%2Flchown.m4;fp=m4%2Flchown.m4;h=646dd9f34f6a01815d59cbc2ccd0821b1b897ec2;hb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;hp=0000000000000000000000000000000000000000;hpb=c7e61475680fa226bd9b8bdd469cd66914e630f5;p=debian%2Fgzip

diff --git a/m4/lchown.m4 b/m4/lchown.m4
new file mode 100644
index 0000000..646dd9f
--- /dev/null
+++ b/m4/lchown.m4
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+# serial 15
+# Determine whether we need the lchown wrapper.
+
+dnl Copyright (C) 1998, 2001, 2003-2007, 2009-2010 Free Software Foundation,
+dnl Inc.
+
+dnl This file is free software; the Free Software Foundation
+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 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_CHECK_FUNCS_ONCE([lchmod])
+  AC_REPLACE_FUNCS([lchown])
+  if test $ac_cv_func_lchown = no; then
+    HAVE_LCHOWN=0
+  elif test "$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
+])