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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-05-16 09:22:21 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-05-16 09:22:21 +0000
commitd4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94 (patch)
tree72231a38ed1cdd48ac6e02acb8b3917acb9dbcf4 /m4/lchown.m4
downloadtar-tarball-d4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94.tar.gz
Diffstat (limited to 'm4/lchown.m4')
-rw-r--r--m4/lchown.m438
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diff --git a/m4/lchown.m4 b/m4/lchown.m4
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+# serial 17
+# Determine whether we need the lchown wrapper.
+
+dnl Copyright (C) 1998, 2001, 2003-2007, 2009-2015 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_CHECK_FUNCS([lchown])
+ if test $ac_cv_func_lchown = no; then
+ HAVE_LCHOWN=0
+ else
+ dnl Trailing slash and ctime bugs in chown also occur in lchown.
+ case "$gl_cv_func_chown_slash_works" in
+ *yes) ;;
+ *)
+ REPLACE_LCHOWN=1
+ ;;
+ esac
+ case "$gl_cv_func_chown_ctime_works" in
+ *yes) ;;
+ *)
+ REPLACE_LCHOWN=1
+ ;;
+ esac
+ fi
+])