CPackDeb: allow empty directories in component packages

Source/CPack/cmCPackDebGenerator.cxx

@@ -95,6 +95,7 @@ int cmCPackDebGenerator::PackageOnePack(std::string initialTopLevel,
   std::string findExpr(this->GetOption("GEN_WDIR"));
   findExpr += "/*";
   gl.RecurseOn();
+  gl.SetRecurseListDirs(true);
   if ( !gl.FindFiles(findExpr) )
     {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
@@ -222,6 +223,7 @@ int cmCPackDebGenerator::PackageComponentsAllInOne()
   std::string findExpr(this->GetOption("GEN_WDIR"));
   findExpr += "/*";
   gl.RecurseOn();
+  gl.SetRecurseListDirs(true);
   if ( !gl.FindFiles(findExpr) )
     {
     cmCPackLogger(cmCPackLog::LOG_ERROR,

Tests/CPackComponentsDEB/CMakeLists.txt

@@ -110,9 +110,8 @@ install(FILES ${CPackComponentsDEB_BINARY_DIR}/symtest
 if(EXISTS "./dirtest")
   execute_process(COMMAND ${CMAKE_COMMAND} -E remove_directory ./dirtest)
 endif()
+# NOTE: directory left empty on purpose
 execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ./dirtest)
-# BUG: apparently cannot add an empty directory
-execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ../mylibapp ./dirtest/symtest)
 # NOTE: we should not add the trailing "/" to dirtest
 install(DIRECTORY ${CPackComponentsDEB_BINARY_DIR}/dirtest
         DESTINATION bin/