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Added check for Geant4 C++ std to be C++17 #45

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May 20, 2022
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Added check for Geant4 C++ std to be C++17 #45

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6 changes: 6 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,12 @@ find_package(Geant4 REQUIRED ui_all vis_all)
include(${Geant4_USE_FILE})
message("-- Found Geant4 version: ${Geant4_VERSION}")

# Check Geant4 C++ standard is correct
execute_process(COMMAND geant4-config --cxxstd OUTPUT_VARIABLE GEANT4_CXX_STD)
if (NOT ${GEANT4_CXX_STD} MATCHES "17")
message(FATAL_ERROR "Geant4 installation was compiled with C++${GEANT4_CXX_STD} standard, but C++17 is required for REST")
endif()

# Fix for older Geant4 versions
if (${Geant4_VERSION} VERSION_LESS 11.0.0)
add_compile_definitions(GEANT4_VERSION_LESS_11_0_0)
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