From: Stefan Metzmacher <metze@samba.org>
Date: Fri, 2 Jan 2009 15:22:18 +0000 (+0100)
Subject: pidl: add dummy element for empty unions
X-Git-Tag: samba-4.0.0alpha6~283^2~42^2~23
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=96266d2f50b2f68e29c811908efecb78895e49bd;p=thirdparty%2Fsamba.git

pidl: add dummy element for empty unions

This hopefully fixes the build on Solaris and IRIX.

metze
---

diff --git a/pidl/lib/Parse/Pidl/Samba4/Header.pm b/pidl/lib/Parse/Pidl/Samba4/Header.pm
index 94e1efbfe49..0411466c825 100644
--- a/pidl/lib/Parse/Pidl/Samba4/Header.pm
+++ b/pidl/lib/Parse/Pidl/Samba4/Header.pm
@@ -183,14 +183,20 @@ sub HeaderUnion($$;$)
 	return if (not defined($union->{ELEMENTS}));
 	pidl " {\n";
 	$tab_depth++;
+	my $needed = 0;
 	foreach my $e (@{$union->{ELEMENTS}}) {
 		if ($e->{TYPE} ne "EMPTY") {
 			if (! defined $done{$e->{NAME}}) {
 				HeaderElement($e);
 			}
 			$done{$e->{NAME}} = 1;
+			$needed++;
 		}
 	}
+	if (!$needed) {
+		# sigh - some compilers don't like empty structures
+		pidl tabs()."int _dummy_element;\n";
+	}
 	$tab_depth--;
 	pidl "}";