#####################
## FindGLPK.cmake
## Top contributors (to current version):
##   Mathias Preiner
## This file is part of the CVC4 project.
## Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
## in the top-level source directory and their institutional affiliations.
## All rights reserved.  See the file COPYING in the top-level source
## directory for licensing information.
##
# Find GLPK-cut-log
# GLPK_FOUND - system has GLPK lib
# GLPK_INCLUDE_DIR - the GLPK include directory
# GLPK_LIBRARIES - Libraries needed to use GLPK


find_path(GLPK_INCLUDE_DIR NAMES glpk.h)
find_library(GLPK_LIBRARIES NAMES glpk)

# Check if we really have GLPK-cut-log.
if(GLPK_INCLUDE_DIR)
  include(CheckSymbolExists)
  set(CMAKE_REQUIRED_INCLUDES ${GLPK_INCLUDE_DIR})
  set(CMAKE_REQUIRED_LIBRARIES ${GLPK_LIBRARIES} m)
  check_symbol_exists(glp_ios_get_cut "glpk.h" HAVE_GLPK_CUT_LOG)
  if(NOT HAVE_GLPK_CUT_LOG)
    message(FATAL_ERROR "Could not link against GLPK-cut-log. "
                        "Did you forget to install GLPK-cut-log?")
  endif()
endif()

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLPK
  DEFAULT_MSG
  GLPK_INCLUDE_DIR GLPK_LIBRARIES)

mark_as_advanced(GLPK_INCLUDE_DIR GLPK_LIBRARIES)
if(GLPK_LIBRARIES)
  message(STATUS "Found GLPK libs: ${GLPK_LIBRARIES}")
endif()