cmake_minimum_required(VERSION 3.16)
project(TestNag LANGUAGES Fortran)

find_package(OpenMP REQUIRED)

# Uncommenting those two commands works around the issue
#set_property(TARGET OpenMP::OpenMP_Fortran PROPERTY
#  INTERFACE_LINK_LIBRARIES "")
#set_property(TARGET OpenMP::OpenMP_Fortran PROPERTY INTERFACE_LINK_OPTIONS "-openmp")

add_executable(test test.f90)
target_link_libraries(test OpenMP::OpenMP_Fortran)