2 files changed, 5 insertions, 13 deletions
diff --git a/Source/CPack/cmCPackGenerator.cxx b/Source/CPack/cmCPackGenerator.cxx
index 4728f69..3309e1b 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -43,12 +43,6 @@ cmCPackGenerator::~cmCPackGenerator()
   this->MakefileMap = nullptr;
 }
 
-void cmCPackGeneratorProgress(const char* msg, float prog, void* ptr)
-{
-  cmCPackGenerator* self = static_cast<cmCPackGenerator*>(ptr);
-  self->DisplayVerboseOutput(msg, prog);
-}
-
 void cmCPackGenerator::DisplayVerboseOutput(const char* msg, float progress)
 {
   (void)progress;
@@ -696,7 +690,9 @@ int cmCPackGenerator::InstallCMakeProject(
   cm.SetHomeOutputDirectory("");
   cm.GetCurrentSnapshot().SetDefaultDefinitions();
   cm.AddCMakePaths();
-  cm.SetProgressCallback(cmCPackGeneratorProgress, this);
+  cm.SetProgressCallback([this](const char* msg, float prog) {
+    this->DisplayVerboseOutput(msg, prog);
+  });
   cm.SetTrace(this->Trace);
   cm.SetTraceExpand(this->TraceExpand);
   cmGlobalGenerator gg(&cm);
diff --git a/Source/CPack/cpack.cxx b/Source/CPack/cpack.cxx
index d4c867b..0413422 100644
--- a/Source/CPack/cpack.cxx
+++ b/Source/CPack/cpack.cxx
@@ -90,12 +90,8 @@ int cpackDefinitionArgument(const char* argument, const char* cValue,
   return 1;
 }
 
-static void cpackProgressCallback(const char* message, float progress,
-                                  void* clientdata)
+static void cpackProgressCallback(const char* message, float /*unused*/)
 {
-  (void)progress;
-  (void)clientdata;
-
   std::cout << "-- " << message << std::endl;
 }
 
@@ -212,7 +208,7 @@ int main(int argc, char const* const* argv)
   cmake cminst(cmake::RoleScript, cmState::CPack);
   cminst.SetHomeDirectory("");
   cminst.SetHomeOutputDirectory("");
-  cminst.SetProgressCallback(cpackProgressCallback, nullptr);
+  cminst.SetProgressCallback(cpackProgressCallback);
   cminst.GetCurrentSnapshot().SetDefaultDefinitions();
   cmGlobalGenerator cmgg(&cminst);
   cmMakefile globalMF(&cmgg, cminst.GetCurrentSnapshot());