17b8bbb42Svaleriabarra# Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 27b8bbb42Svaleriabarra# the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 37b8bbb42Svaleriabarra# reserved. See files LICENSE and NOTICE for details. 47b8bbb42Svaleriabarra# 57b8bbb42Svaleriabarra# This file is part of CEED, a collection of benchmarks, miniapps, software 67b8bbb42Svaleriabarra# libraries and APIs for efficient high-order finite element and spectral 77b8bbb42Svaleriabarra# element discretizations for exascale applications. For more information and 87b8bbb42Svaleriabarra# source code availability see http://github.com/ceed. 97b8bbb42Svaleriabarra# 107b8bbb42Svaleriabarra# The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 117b8bbb42Svaleriabarra# a collaborative effort of two U.S. Department of Energy organizations (Office 127b8bbb42Svaleriabarra# of Science and the National Nuclear Security Administration) responsible for 137b8bbb42Svaleriabarra# the planning and preparation of a capable exascale ecosystem, including 147b8bbb42Svaleriabarra# software, applications, hardware, advanced system engineering and early 157b8bbb42Svaleriabarra# testbed platforms, in support of the nation's exascale computing imperative. 167b8bbb42Svaleriabarra 177b8bbb42Svaleriabarraimport os 18*477729cfSJeremy L Thompsonimport re 197b8bbb42Svaleriabarrafrom cffi import FFI 207b8bbb42Svaleriabarraffibuilder = FFI() 217b8bbb42Svaleriabarra 227b8bbb42Svaleriabarra# ------------------------------------------------------------------------------ 237b8bbb42Svaleriabarra# Provide C definitions to CFFI 247b8bbb42Svaleriabarra# ------------------------------------------------------------------------------ 257b8bbb42Svaleriabarrawith open(os.path.abspath("include/ceed.h")) as f: 267b8bbb42Svaleriabarra lines = [line.strip() for line in f if 277b8bbb42Svaleriabarra not line.startswith("#") and 287b8bbb42Svaleriabarra not line.startswith(" static") and 297b8bbb42Svaleriabarra "CeedErrorImpl" not in line and 307b8bbb42Svaleriabarra "const char *, ...);" not in line and 317b8bbb42Svaleriabarra not line.startswith("CEED_EXTERN const char *const")] 327b8bbb42Svaleriabarra lines = [line.replace("CEED_EXTERN", "extern") for line in lines] 331d83af80SJed Brown header = '\n'.join(lines) 347b8bbb42Svaleriabarra header = header.split("static inline CeedInt CeedIntPow", 1)[0] 35*477729cfSJeremy L Thompson # Note: cffi cannot handle vargs 36*477729cfSJeremy L Thompson header = re.sub("va_list", "const char *", header) 377b8bbb42Svaleriabarraffibuilder.cdef(header) 387b8bbb42Svaleriabarra 397b8bbb42Svaleriabarraffibuilder.set_source("_ceed_cffi", 407b8bbb42Svaleriabarra """ 41*477729cfSJeremy L Thompson #define va_list const char * 427b8bbb42Svaleriabarra #include <ceed.h> // the C header of the library 437b8bbb42Svaleriabarra """, 44450bb777Svaleriabarra include_dirs=[ 45450bb777Svaleriabarra os.path.abspath("include")], # include path 467b8bbb42Svaleriabarra libraries=["ceed"], # library name, for the linker 4737c134eaSJed Brown library_dirs=['./lib'], # library path, for the linker 487a7b0fa3SJed Brown # use libceed.so as installed 497a7b0fa3SJed Brown runtime_library_dirs=['$ORIGIN/libceed/lib'] 507b8bbb42Svaleriabarra ) 517b8bbb42Svaleriabarra 527b8bbb42Svaleriabarra# ------------------------------------------------------------------------------ 537b8bbb42Svaleriabarra# Builder 547b8bbb42Svaleriabarra# ------------------------------------------------------------------------------ 557b8bbb42Svaleriabarraif __name__ == "__main__": 567b8bbb42Svaleriabarra ffibuilder.compile(verbose=True) 577b8bbb42Svaleriabarra 587b8bbb42Svaleriabarra# ------------------------------------------------------------------------------ 59