1# Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2# the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3# reserved. See files LICENSE and NOTICE for details. 4# 5# This file is part of CEED, a collection of benchmarks, miniapps, software 6# libraries and APIs for efficient high-order finite element and spectral 7# element discretizations for exascale applications. For more information and 8# source code availability see http://github.com/ceed. 9# 10# The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11# a collaborative effort of two U.S. Department of Energy organizations (Office 12# of Science and the National Nuclear Security Administration) responsible for 13# the planning and preparation of a capable exascale ecosystem, including 14# software, applications, hardware, advanced system engineering and early 15# testbed platforms, in support of the nation's exascale computing imperative. 16 17import os 18from cffi import FFI 19ffibuilder = FFI() 20 21# ------------------------------------------------------------------------------ 22# Provide C definitions to CFFI 23# ------------------------------------------------------------------------------ 24with open(os.path.abspath("include/ceed.h")) as f: 25 lines = [line.strip() for line in f if 26 not line.startswith("#") and 27 not line.startswith(" static") and 28 "CeedErrorImpl" not in line and 29 "const char *, ...);" not in line and 30 "///" not in line and 31 not line.startswith("CEED_EXTERN const char *const")] 32 lines = [line.replace("CEED_EXTERN", "extern") for line in lines] 33 header = ''.join(lines) 34 header = header.split("static inline CeedInt CeedIntPow", 1)[0] 35ffibuilder.cdef(header) 36 37# ------------------------------------------------------------------------------ 38# Set source of libCEED header file 39# ------------------------------------------------------------------------------ 40ceed_dir = os.getenv("CEED_DIR", None) 41if ceed_dir: 42 ceed_lib_dirs = [os.path.abspath("lib"), os.path.join(ceed_dir, "lib")] 43else: 44 ceed_lib_dirs = [os.path.abspath("lib")] 45 46ffibuilder.set_source("_ceed_cffi", 47 """ 48 #include <ceed.h> // the C header of the library 49 """, 50 include_dirs = [os.path.abspath("include")], # include path 51 libraries = ["ceed"], # library name, for the linker 52 library_dirs = [os.path.abspath("lib")], # library path, for the linker 53 runtime_library_dirs = ceed_lib_dirs # library path, at runtime 54) 55 56# ------------------------------------------------------------------------------ 57# Builder 58# ------------------------------------------------------------------------------ 59if __name__ == "__main__": 60 ffibuilder.compile(verbose=True) 61 62# ------------------------------------------------------------------------------ 63