1.5 KiB
[main]
cmake_minimum_required(VERSION 3.1)
project(RootSimpleExample LANGUAGES CXX)
[find_package]
find_package(ROOT CONFIG REQUIRED)
[find_package]
message(STATUS "Found ROOT: ${ROOT_VERSION} at ${ROOT_DIR}")
ROOT targets are missing includes and flags
[setup_includes]
set_property(TARGET ROOT::Core PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${ROOT_INCLUDE_DIRS}")
[setup_includes]
[setup_flags]
Fix for ROOT_CXX_FLAGS not actually being a CMake list
separate_arguments(ROOT_CXX_FLAGS) separate_arguments(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)
add_library(ROOT::Flags_CXX IMPORTED INTERFACE) set_property(TARGET ROOT::Flags_CXX APPEND PROPERTY INTERFACE_COMPILE_OPTIONS ${ROOT_CXX_FLAGS}) set_property(TARGET ROOT::Flags_CXX APPEND PROPERTY INTERFACE_COMPILE_DEFINITIONS ${ROOT_DEFINITIONS}) set_property(TARGET ROOT::Flags_CXX APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${ROOT_EXE_LINKER_FLAGS})
[setup_flags]
Adding an exectuable program and linking to needed ROOT libraries
[add_and_link]
add_executable(RootSimpleExample SimpleExample.cxx) target_link_libraries(RootSimpleExample PUBLIC ROOT::Physics ROOT::Flags_CXX)
[add_and_link]
[main]
enable_testing() add_test(NAME RootSimpleExample COMMAND RootSimpleExample)