From: Ben.Lippmeier@anu.edu.au <unknown>
Date: Wed, 18 Nov 2009 05:15:26 +0000 (+0000)
Subject: Windows DLLs: stifle warnings about symbols being auto imported from DLLs
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=020bb30ef435775bc87c51e186c09dd57fd39b92

Windows DLLs: stifle warnings about symbols being auto imported from DLLs
---

diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index 042fa04..ed3fc54 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -1447,6 +1447,12 @@ linkBinary dflags o_files dep_packages = do
 		       ]
 		      ++ map SysTools.Option (
 		         md_c_flags
+
+#ifdef mingw32_TARGET_OS
+                      -- Permit the linker to auto link _symbol to _imp_symbol.
+		      -- This lets us link against DLLs without needing an "import library".
+		      ++ ["-Wl,--enable-auto-import"]
+#endif
 	 	      ++ o_files
 		      ++ extra_ld_inputs
 	 	      ++ lib_path_opts