CMake copied from relMT - not adapted yet

CMakeLists.txt

@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.17.2...3.29)
+project(${SKBUILD_PROJECT_NAME} LANGUAGES Fortran)
+
+find_package(
+  Python
+  COMPONENTS Interpreter Development.Module NumPy
+  REQUIRED)
+
+# F2PY headers
+execute_process(
+  COMMAND "${PYTHON_EXECUTABLE}" -c
+          "import numpy.f2py; print(numpy.f2py.get_include())"
+  OUTPUT_VARIABLE F2PY_INCLUDE_DIR
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+add_library(fortranobject OBJECT "${F2PY_INCLUDE_DIR}/fortranobject.c")
+
+# Find the FFTW3 installation on your system
+find_package(PkgConfig REQUIRED)
+pkg_search_module(FFTW REQUIRED fftw3 IMPORTED_TARGET)
+include_directories(PkgConfig::FFTW)
+link_libraries(PkgConfig::FFTW)
+
+target_link_libraries(fortranobject PUBLIC  Python::NumPy)
+target_include_directories(fortranobject PUBLIC "${F2PY_INCLUDE_DIR}")
+set_property(TARGET fortranobject PROPERTY POSITION_INDEPENDENT_CODE ON)
+
+add_custom_command(
+  OUTPUT mccoremodule.c mccore-f2pywrappers.f
+  DEPENDS src/relmt/mccore.f90
+  VERBATIM
+  COMMAND "${Python_EXECUTABLE}" -m numpy.f2py
+          "${CMAKE_CURRENT_SOURCE_DIR}/src/relmt/mccore.f90" -m mccore --lower)
+
+python_add_library(
+  mccore MODULE "${CMAKE_CURRENT_BINARY_DIR}/mccoremodule.c"
+  "${CMAKE_CURRENT_BINARY_DIR}/mccore-f2pywrappers.f"
+  "${CMAKE_CURRENT_SOURCE_DIR}/src/relmt/mccore.f90" WITH_SOABI)
+target_link_libraries(mccore PRIVATE fortranobject)
+
+install(TARGETS mccore DESTINATION .)