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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
)
FIND_LIBRARY(GLPK_LIBRARY
glpk
PATHS ${GLPK_REGKEY}/lib
HINTS ${GLPK_ROOT_DIR}/lib
)
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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