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# Find GLPK-cut-log
# GLPK_FOUND - system has GLPK lib
# GLPK_INCLUDE_DIR - the GLPK include directory
# GLPK_LIBRARIES - Libraries needed to use GLPK
# Check default location of GLPK built with contrib/get-glpk-cut-log.
# If the user provides a directory we will not search the default paths and
# fail if GLPK was not found in the specified directory.
if(NOT GLPK_HOME)
set(GLPK_HOME ${PROJECT_SOURCE_DIR}/glpk-cut-log)
set(CHECK_SYSTEM_VERSION TRUE)
endif()
find_path(GLPK_INCLUDE_DIR
NAMES glpk.h
PATHS ${GLPK_HOME}/include
NO_DEFAULT_PATH)
find_library(GLPK_LIBRARIES
NAMES glpk
PATHS ${GLPK_HOME}/lib
NO_DEFAULT_PATH)
if(CHECK_SYSTEM_VERSION)
find_path(GLPK_INCLUDE_DIR NAMES glpk.h)
find_library(GLPK_LIBRARIES NAMES glpk)
endif()
# 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()
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