r3281: some compilers can't handle empty structures, so for empty IDL

structures generate a single _empty_ element in the header
(This used to be commit 00ff1ca1d284bb698e98c773b18a29695e927605)

1 files changed, 6 insertions, 0 deletions

diff --git a/source4/build/pidl/header.pm b/source4/build/pidl/header.pm
index 848ceab9b0..56f3503e5d 100644
--- a/source4/build/pidl/header.pm
+++ b/source4/build/pidl/header.pm
@@ -75,11 +75,17 @@ sub HeaderStruct($$)
     my($name) = shift;
     $res .= "\nstruct $name {\n";
     $tab_depth++;
+    my $el_count=0;
     if (defined $struct->{ELEMENTS}) {
 	foreach my $e (@{$struct->{ELEMENTS}}) {
 	    HeaderElement($e);
+	    $el_count++;
 	}
     }
+    if ($el_count == 0) {
+	    # some compilers can't handle empty structures
+	    $res .= "\tchar _empty_;\n";
+    }
     $tab_depth--;
     $res .= "}";
 }