# HG changeset patch
# User Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
# Date 1232641610 -3600
# Node ID fcab41e144c9c36405d8539eee94e9fd9b83d996
# Parent  fb4853c469177058e324463538fe0980a6617ffb
Makes sure only function definitions inside templates get weak linkage, llvm doesn't allow weak linkage on just declarations, so we use external linkage for those. Fixes #162

diff -r fb4853c46917 -r fcab41e144c9 gen/tollvm.cpp
--- a/gen/tollvm.cpp	Mon Jan 19 19:42:00 2009 +0100
+++ b/gen/tollvm.cpp	Thu Jan 22 17:26:50 2009 +0100
@@ -294,7 +294,8 @@
         if (fdecl->llvmInternal == LLVMintrinsic)
             return llvm::GlobalValue::ExternalLinkage;
         // template instances should have weak linkage
-        else if (DtoIsTemplateInstance(fdecl))
+        // but only if there's a body, otherwise we make it external
+        else if (DtoIsTemplateInstance(fdecl) && fdecl->fbody)
             return llvm::GlobalValue::WeakLinkage;
         // extern(C) functions are always external
         else if (ft->linkage == LINKc)