cmake/FindGLPK.cmake
author Akos Ladanyi <ladanyi@tmit.bme.hu>
Fri, 29 May 2009 11:40:53 +0100
changeset 725 d1e1cd94bf49
parent 684 4faa0c763906
child 1230 caf16813b1e8
permissions -rw-r--r--
Put the version string into config.h

Also make it possible to set the version using the LEMON_VERSION environment
variable, and use the hg revision as version string in case this variable is
unset.
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SET(GLPK_ROOT_DIR "" CACHE PATH "GLPK root directory")
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SET(GLPK_REGKEY "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Glpk;InstallPath]")
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GET_FILENAME_COMPONENT(GLPK_ROOT_PATH ${GLPK_REGKEY} ABSOLUTE)
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FIND_PATH(GLPK_INCLUDE_DIR
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  glpk.h
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  PATHS ${GLPK_REGKEY}/include
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  HINTS ${GLPK_ROOT_DIR}/include
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)
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FIND_LIBRARY(GLPK_LIBRARY
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  glpk
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  PATHS ${GLPK_REGKEY}/lib
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  HINTS ${GLPK_ROOT_DIR}/lib
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)
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IF(GLPK_INCLUDE_DIR AND GLPK_LIBRARY)
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  FILE(READ ${GLPK_INCLUDE_DIR}/glpk.h GLPK_GLPK_H)
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  STRING(REGEX MATCH "define[ ]+GLP_MAJOR_VERSION[ ]+[0-9]+" GLPK_MAJOR_VERSION_LINE "${GLPK_GLPK_H}")
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  STRING(REGEX REPLACE "define[ ]+GLP_MAJOR_VERSION[ ]+([0-9]+)" "\\1" GLPK_VERSION_MAJOR "${GLPK_MAJOR_VERSION_LINE}")
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  STRING(REGEX MATCH "define[ ]+GLP_MINOR_VERSION[ ]+[0-9]+" GLPK_MINOR_VERSION_LINE "${GLPK_GLPK_H}")
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  STRING(REGEX REPLACE "define[ ]+GLP_MINOR_VERSION[ ]+([0-9]+)" "\\1" GLPK_VERSION_MINOR "${GLPK_MINOR_VERSION_LINE}")
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  SET(GLPK_VERSION_STRING "${GLPK_VERSION_MAJOR}.${GLPK_VERSION_MINOR}")
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  IF(GLPK_FIND_VERSION)
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    IF(GLPK_FIND_VERSION_COUNT GREATER 2)
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      MESSAGE(SEND_ERROR "unexpected version string")
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    ENDIF(GLPK_FIND_VERSION_COUNT GREATER 2)
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    MATH(EXPR GLPK_REQUESTED_VERSION "${GLPK_FIND_VERSION_MAJOR}*100 + ${GLPK_FIND_VERSION_MINOR}")
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    MATH(EXPR GLPK_FOUND_VERSION "${GLPK_VERSION_MAJOR}*100 + ${GLPK_VERSION_MINOR}")
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    IF(GLPK_FOUND_VERSION LESS GLPK_REQUESTED_VERSION)
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      SET(GLPK_PROPER_VERSION_FOUND FALSE)
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    ELSE(GLPK_FOUND_VERSION LESS GLPK_REQUESTED_VERSION)
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      SET(GLPK_PROPER_VERSION_FOUND TRUE)
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    ENDIF(GLPK_FOUND_VERSION LESS GLPK_REQUESTED_VERSION)
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  ELSE(GLPK_FIND_VERSION)
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    SET(GLPK_PROPER_VERSION_FOUND TRUE)
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  ENDIF(GLPK_FIND_VERSION)
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ENDIF(GLPK_INCLUDE_DIR AND GLPK_LIBRARY)
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLPK DEFAULT_MSG GLPK_LIBRARY GLPK_INCLUDE_DIR GLPK_PROPER_VERSION_FOUND)
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IF(GLPK_FOUND)
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  SET(GLPK_INCLUDE_DIRS ${GLPK_INCLUDE_DIR})
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  SET(GLPK_LIBRARIES ${GLPK_LIBRARY})
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  SET(GLPK_BIN_DIR ${GLPK_ROOT_PATH}/bin)
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ENDIF(GLPK_FOUND)
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MARK_AS_ADVANCED(GLPK_LIBRARY GLPK_INCLUDE_DIR GLPK_BIN_DIR)
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IF(GLPK_FOUND)
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  SET(LEMON_HAVE_LP TRUE)
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  SET(LEMON_HAVE_MIP TRUE)
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  SET(LEMON_HAVE_GLPK TRUE)
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ENDIF(GLPK_FOUND)