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cmake_minimum_required(VERSION 3.14.5)
project(simple_example_with_fetch_content LANGUAGES CXX Fortran)
# 1) fetch cpp_bindgen from the repository
include(FetchContent)
FetchContent_Declare(
cpp_bindgen
# In your application remove SOURCE_DIR ...
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/../..
# By the following 2 lines to fetch content directly from github
# GIT_REPOSITORY https://github.com/GridTools/cpp_bindgen.git
# GIT_TAG master # consider replacing master by a tagged version
)
FetchContent_MakeAvailable(cpp_bindgen)
# 2) create a library with bindings. This will generate the files simple.h and simple.f90 which can be included within C and Fortran. In CMake you can use them by linking against `simple_c`or `simple_fortran`.
bindgen_add_library(simple SOURCES simple.cpp)
# 3) link the generated library to a fortran executable
add_executable(driver driver.f90)
target_link_libraries(driver simple_fortran)
# 4) optional: demonstrates installing the library with CMake
# installs general cpp_bindgen targets
install_cpp_bindgen_targets(
EXPORT simple_fortran_targets
Fortran_MODULE_DESTINATION include
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
)
# install your library (simple) and the generated bindings library (simple_fortran) as usual
install(
TARGETS simple simple_fortran
EXPORT simple_fortran_targets
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
)
install(EXPORT simple_fortran_targets DESTINATION cmake NAMESPACE SimpleFortran::)
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