diff --git a/CMakeLists.txt b/CMakeLists.txt index e3d55cc880452c6b97d5e20b6b87dec7ba1555b9..099ae74a65c1af165d4e5091da378e26434b17fa 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -160,7 +160,7 @@ if(DD4HEP_USE_HEPMC3) # Optional dependencies for compressed input support if(HEPMC3_VERSION VERSION_GREATER_EQUAL "3.02.05") - option(DD4HEP_HEPMC3_COMPRESSION_SUPPORT "Enable reading of compressed HepMC files" ON) + option(DD4HEP_HEPMC3_COMPRESSION_SUPPORT "Enable reading of compressed HepMC files" OFF) if(DD4HEP_HEPMC3_COMPRESSION_SUPPORT) find_package(ZLIB REQUIRED) find_package(LibLZMA REQUIRED)