Merge topic 'package-disable-registry'

ba387cb8 Help: Add notes for topic 'package-disable-registry'
be8ae960 Allow the Package Registry to be disabled (#14849)
d09fda5d Tests: Improve FindPackageTest for in-source builds
ac24a1c0 Tests: Improve FindPackageTest exported package version

2 files changed, 19 insertions, 0 deletions

diff --git a/Source/cmExportCommand.cxx b/Source/cmExportCommand.cxx
index 2536ada..db21c49 100644
--- a/Source/cmExportCommand.cxx
+++ b/Source/cmExportCommand.cxx
@@ -285,6 +285,13 @@ bool cmExportCommand::HandlePackage(std::vector<std::string> const& args)
     return false;
     }
 
+  // If the CMAKE_EXPORT_NO_PACKAGE_REGISTRY variable is set the command
+  // export(PACKAGE) does nothing.
+  if(this->Makefile->IsOn("CMAKE_EXPORT_NO_PACKAGE_REGISTRY"))
+    {
+    return true;
+    }
+
   // We store the current build directory in the registry as a value
   // named by a hash of its own content.  This is deterministic and is
   // unique with high probability.
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index a790e00..55a61f5 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -90,6 +90,18 @@ bool cmFindPackageCommand
     this->UseLib64Paths = true;
     }
 
+  // Check if User Package Registry should be disabled
+  if(this->Makefile->IsOn("CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY"))
+    {
+    this->NoUserRegistry = true;
+    }
+
+  // Check if System Package Registry should be disabled
+  if(this->Makefile->IsOn("CMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY"))
+    {
+    this->NoSystemRegistry = true;
+    }
+
   // Find the current root path mode.
   this->SelectDefaultRootPathMode();