A Simple ROOT Project

This is a minimal example of a ROOT project using the UseFile system and without a dictionary.

examples/root-usefile/CMakeLists.txt

cmake_minimum_required(VERSION 3.1)

project(RootUseFileExample LANGUAGES CXX)

find_package(ROOT CONFIG REQUIRED)

include("${ROOT_USE_FILE}")

# This is required on if there is more than one flag (like on macOS)
# and this also fixes a bug in the linker flags
string(REPLACE "-L " "-L" ROOT_EXE_LINKER_FLAGS "${ROOT_EXE_LINKER_FLAGS}")
separate_arguments(ROOT_EXE_LINKER_FLAGS)

add_executable(RootUseFileExample SimpleExample.cxx)
target_link_libraries(RootUseFileExample PUBLIC ${ROOT_LIBRARIES} ${ROOT_EXE_LINKER_FLAGS})

examples/root-usefile/SimpleExample.cxx

#include <TLorentzVector.h>

int main() {
    TLorentzVector v(1,2,3,4);
    v.Print();
    return 0;
}

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