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# Taken from lemon library
# https://lemon.cs.elte.hu/trac/lemon
# License: Boost Software License, Version 1.0
set(GLPK_ROOT_DIR "" CACHE PATH "GLPK root directory")
set(GLPK_REGKEY "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Glpk;InstallPath]")
get_filename_component(GLPK_ROOT_PATH ${GLPK_REGKEY} ABSOLUTE)
find_path(GLPK_INCLUDE_DIR
glpk.h
PATHS ${GLPK_REGKEY}/include
HINTS ${GLPK_ROOT_DIR}/include
)
if (NOT GLPK_LIBRARIES)
# find library and (optionally) the corresponding debug version
find_library(GLPK_LIBRARY_RELEASE
glpk
PATHS ${GLPK_REGKEY}/lib
HINTS ${GLPK_ROOT_DIR}/lib
)
find_library(GLPK_LIBRARY_DEBUG
glpkd
PATHS ${GLPK_REGKEY}/lib
HINTS ${GLPK_ROOT_DIR}/lib
)
include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
SELECT_LIBRARY_CONFIGURATIONS(GLPK)
endif()
if(GLPK_INCLUDE_DIR AND GLPK_LIBRARY)
file(READ ${GLPK_INCLUDE_DIR}/glpk.h GLPK_GLPK_H)
string(REGEX MATCH "define[ ]+GLP_MAJOR_VERSION[ ]+[0-9]+" GLPK_MAJOR_VERSION_LINE "${GLPK_GLPK_H}")
string(REGEX REPLACE "define[ ]+GLP_MAJOR_VERSION[ ]+([0-9]+)" "\\1" GLPK_VERSION_MAJOR "${GLPK_MAJOR_VERSION_LINE}")
string(REGEX MATCH "define[ ]+GLP_MINOR_VERSION[ ]+[0-9]+" GLPK_MINOR_VERSION_LINE "${GLPK_GLPK_H}")
string(REGEX REPLACE "define[ ]+GLP_MINOR_VERSION[ ]+([0-9]+)" "\\1" GLPK_VERSION_MINOR "${GLPK_MINOR_VERSION_LINE}")
set(GLPK_VERSION_STRING "${GLPK_VERSION_MAJOR}.${GLPK_VERSION_MINOR}")
if(GLPK_FIND_VERSION)
if(GLPK_FIND_VERSION_COUNT GREATER 2)
message(SEND_ERROR "unexpected version string")
endif(GLPK_FIND_VERSION_COUNT GREATER 2)
math(EXPR GLPK_REQUESTED_VERSION "${GLPK_FIND_VERSION_MAJOR}*100 + ${GLPK_FIND_VERSION_MINOR}")
math(EXPR GLPK_FOUND_VERSION "${GLPK_VERSION_MAJOR}*100 + ${GLPK_VERSION_MINOR}")
if(GLPK_FOUND_VERSION LESS GLPK_REQUESTED_VERSION)
set(GLPK_PROPER_VERSION_FOUND FALSE)
else(GLPK_FOUND_VERSION LESS GLPK_REQUESTED_VERSION)
set(GLPK_PROPER_VERSION_FOUND TRUE)
endif(GLPK_FOUND_VERSION LESS GLPK_REQUESTED_VERSION)
else(GLPK_FIND_VERSION)
set(GLPK_PROPER_VERSION_FOUND TRUE)
endif(GLPK_FIND_VERSION)
endif(GLPK_INCLUDE_DIR AND GLPK_LIBRARY)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLPK DEFAULT_MSG GLPK_LIBRARY GLPK_INCLUDE_DIR GLPK_PROPER_VERSION_FOUND)
if(GLPK_FOUND)
set(GLPK_INCLUDE_DIRS ${GLPK_INCLUDE_DIR})
set(GLPK_LIBRARIES ${GLPK_LIBRARY})
set(GLPK_BIN_DIR ${GLPK_ROOT_PATH}/bin)
endif(GLPK_FOUND)
MARK_AS_ADVANCED(GLPK_LIBRARY GLPK_INCLUDE_DIR GLPK_BIN_DIR)
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