ENH: Report which cmake was used to generate the cache in the comment

1 files changed, 8 insertions, 2 deletions

diff --git a/Source/cmCacheManager.cxx b/Source/cmCacheManager.cxx
index cbd3697..ece2084 100644
--- a/Source/cmCacheManager.cxx
+++ b/Source/cmCacheManager.cxx
@@ -364,8 +364,14 @@ bool cmCacheManager::SaveCache(const char* path)
                       " was created", cmCacheManager::INTERNAL);
 
   fout << "# This is the CMakeCache file.\n"
-       << "# For build in directory: " << currentcwd << "\n"
-       << "# You can edit this file to change values found and used by cmake.\n"
+       << "# For build in directory: " << currentcwd << "\n";
+  cmCacheManager::CacheEntry* cmakeCacheEntry = this->GetCacheEntry("CMAKE_COMMAND");
+  if ( cmakeCacheEntry )
+    {
+    fout << "# It was generated by CMake: " << cmakeCacheEntry->m_Value << std::endl;
+    }
+
+  fout << "# You can edit this file to change values found and used by cmake.\n"
        << "# If you do not want to change any of the values, simply exit the editor.\n"
        << "# If you do want to change a value, simply edit, save, and exit the editor.\n"
        << "# The syntax for the file is as follows:\n"