modern-cmake/examples/root-simple-3.11/CMakeLists.txt

[main]

cmake_minimum_required(VERSION 3.11)

project(RootSimpleExample311 LANGUAGES CXX)

find_package(ROOT CONFIG REQUIRED) message(STATUS "Found ROOT: ${ROOT_VERSION} at ${ROOT_DIR}")

separate_arguments(ROOT_CXX_FLAGS) separate_arguments(ROOT_DEFINITIONS) message(STATUS "ROOT_DEFINITIONS ${ROOT_DEFINITIONS}")

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)

[modern_fix]

target_include_directories(ROOT::Core INTERFACE "${ROOT_INCLUDE_DIRS}")

add_library(ROOT::Flags_CXX IMPORTED INTERFACE) target_compile_options(ROOT::Flags_CXX INTERFACE ${ROOT_CXX_FLAGS}) target_compile_definitions(ROOT::Flags_CXX INTERFACE ${ROOT_DEFINITIONS}) set_property(TARGET ROOT::Flags_CXX PROPERTY INTERFACE_LINK_LIBRARIES ${ROOT_EXE_LINKER_FLAGS})

[modern_fix]

add_executable(RootSimpleExample311 SimpleExample.cxx) target_link_libraries(RootSimpleExample311 PUBLIC ROOT::Physics ROOT::Flags_CXX)

[main]

enable_testing() add_test(NAME RootSimpleExample311 COMMAND RootSimpleExample311)