Refactor WINDOWS_EXPORT_ALL_SYMBOLS implementation

Use `cmGeneratorTarget::ModuleDefinitionInfo` to combine the
implementation of `WINDOWS_EXPORT_ALL_SYMBOLS` with that of using a
`.def` file as a source.  Only one of these could be used within a
single target before anyway.

1 files changed, 8 insertions, 4 deletions

diff --git a/Source/cmGlobalVisualStudioGenerator.cxx b/Source/cmGlobalVisualStudioGenerator.cxx
index ced0c26..a073426 100644
--- a/Source/cmGlobalVisualStudioGenerator.cxx
+++ b/Source/cmGlobalVisualStudioGenerator.cxx
@@ -814,10 +814,14 @@ void cmGlobalVisualStudioGenerator::AddSymbolExportCommand(
   cmGeneratorTarget* gt, std::vector<cmCustomCommand>& commands,
   std::string const& configName)
 {
+  cmGeneratorTarget::ModuleDefinitionInfo const* mdi =
+    gt->GetModuleDefinitionInfo(configName);
+  if (!mdi || !mdi->WindowsExportAllSymbols) {
+    return;
+  }
+
   std::vector<std::string> outputs;
-  std::string deffile = gt->ObjectDirectory;
-  deffile += "/exportall.def";
-  outputs.push_back(deffile);
+  outputs.push_back(mdi->DefFile);
   std::vector<std::string> empty;
   std::vector<cmSourceFile const*> objectSources;
   gt->GetObjectSources(objectSources, configName);
@@ -835,7 +839,7 @@ void cmGlobalVisualStudioGenerator::AddSymbolExportCommand(
   cmdl.push_back(cmakeCommand);
   cmdl.push_back("-E");
   cmdl.push_back("__create_def");
-  cmdl.push_back(deffile);
+  cmdl.push_back(mdi->DefFile);
   std::string obj_dir_expanded = obj_dir;
   cmSystemTools::ReplaceString(obj_dir_expanded, this->GetCMakeCFGIntDir(),
                                configName.c_str());