ENH: add .def file support

Modules/Platform/Windows-bcc32.cmake

@@ -3,7 +3,7 @@ SET(CMAKE_LINK_LIBRARY_FLAG "")
 
 # create a shared C++ library
 SET(CMAKE_CXX_CREATE_SHARED_LIBRARY 
- "<CMAKE_CXX_COMPILER>  @&&|\n-e<TARGET>  -tWD <OBJECTS> <LINK_LIBRARIES>\n|"
+ "<CMAKE_CXX_COMPILER>  @&&|\n-e<TARGET>  -tWD <OBJECTS> <LINK_LIBRARIES> <LINK_FLAGS>\n|"
  "implib @&&|\n-w <TARGET_BASE>.lib <TARGET_BASE>.dll\n|"
 )
 
@@ -11,7 +11,7 @@ SET(CMAKE_CXX_CREATE_SHARED_MODULE ${CMAKE_CXX_CREATE_SHARED_LIBRARY})
 
 # create a C shared library
 SET(CMAKE_C_CREATE_SHARED_LIBRARY 
- "<CMAKE_CXX_COMPILER> @&&|\n-e<TARGET> -tWD  <OBJECTS> <LINK_LIBRARIES>\n|"
+ "<CMAKE_CXX_COMPILER> @&&|\n-e<TARGET> -tWD  <OBJECTS> <LINK_LIBRARIES> <LINK_FLAGS>\n|"
  "implib @&&|\n-w <TARGET_BASE>.lib <TARGET_BASE>.dll\n|"
 )
 

Modules/Platform/Windows-cl.cmake

@@ -3,7 +3,7 @@ SET(CMAKE_LINK_LIBRARY_FLAG "")
 
 # create a shared C++ library
 SET(CMAKE_CXX_CREATE_SHARED_LIBRARY 
- "link @<<\n  /out:<TARGET> /dll <OBJECTS> <LINK_LIBRARIES> \n<<")
+ "link @<<\n  /out:<TARGET> /dll  <LINK_FLAGS> <OBJECTS> <LINK_LIBRARIES> \n<<")
 
 SET(CMAKE_CXX_CREATE_SHARED_MODULE ${CMAKE_CXX_CREATE_SHARED_LIBRARY})
 
@@ -58,7 +58,7 @@ FIND_PROGRAM(CMAKE_MAKE_PROGRAM NAMES nmake )
 
 
 # executable linker flags
-
+SET (CMAKE_LINK_DEF_FILE_FLAG "/DEF:")
 SET (CMAKE_EXE_LINKER_FLAGS_INIT "/nologo /STACK:10000000 /machine:I386 /INCREMENTAL:YES")
 SET (CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT "/debug /pdbtype:sept")
 SET (CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO_INIT "/debug /pdbtype:sept")

Source/cmLocalUnixMakefileGenerator.cxx

@@ -834,7 +834,19 @@ void cmLocalUnixMakefileGenerator::OutputSharedLibraryRule(std::ostream& fout,
     linkFlags += this->GetSafeDefinition(build.c_str());
     linkFlags += " ";
     }
-
+#ifdef _WIN32
+  const std::vector<cmSourceFile*>& sources = t.GetSourceFiles();
+  for(std::vector<cmSourceFile*>::const_iterator i = sources.begin();
+      i != sources.end(); ++i)
+    {
+    if((*i)->GetSourceExtension() == "def")
+      {
+      linkFlags += this->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG");
+      linkFlags += (*i)->GetFullPath();
+      linkFlags += " ";
+      }
+    }
+#endif
   this->OutputLibraryRule(fout, name, t,
                           this->GetSafeDefinition("CMAKE_SHARED_LIBRARY_PREFIX"),
                           this->GetSafeDefinition("CMAKE_SHARED_LIBRARY_SUFFIX"),