buho/cmake/FindLeptonica.cmake

0001 #
0002 # Find Leptonica
0003 #
0004 # Exported variables:
0005 #    Leptonica_FOUND
0006 #    Leptonica_INCLUDE_DIRS
0007 #    Leptonica_LIBRARIES
0008 #
0009 #    Leptonica_VERSION
0010 #    Leptonica_MAJOR_VERSION
0011 #    Leptonica_MINOR_VERSION
0012 #
0013
0014 find_path(Leptonica_INCLUDE_DIR leptonica/allheaders.h
0015     HINTS
0016     /usr/include
0017     /usr/local/include
0018     /opt/include
0019     /opt/local/include
0020     ${Leptonica_DIR}/include
0021 )
0022 if(NOT "${Leptonica_INCLUDE_DIR}" EQUAL "Leptonica_INCLUDE_DIR-NOTFOUND")
0023     set(Leptonica_INCLUDE_DIRS ${Leptonica_INCLUDE_DIR}/leptonica)
0024     file(STRINGS ${Leptonica_INCLUDE_DIRS}/allheaders.h Leptonica_MAJOR_VERSION REGEX "LIBLEPT_MAJOR_VERSION")
0025     file(STRINGS ${Leptonica_INCLUDE_DIRS}/allheaders.h Leptonica_MINOR_VERSION REGEX "LIBLEPT_MINOR_VERSION")
0026     string(REGEX MATCH "[0-9]+" Leptonica_MAJOR_VERSION ${Leptonica_MAJOR_VERSION})
0027     string(REGEX MATCH "[0-9]+" Leptonica_MINOR_VERSION ${Leptonica_MINOR_VERSION})
0028     set(Leptonica_VERSION ${Leptonica_MAJOR_VERSION}.${Leptonica_MINOR_VERSION})
0029 endif()
0030
0031 find_library(Leptonica_LIBRARY NAMES lept liblept
0032     HINTS
0033     /usr/lib
0034     /usr/local/lib
0035     /opt/lib
0036     /opt/local/lib
0037     ${Leptonica_DIR}/lib
0038 )
0039 set(Leptonica_LIBRARIES ${Leptonica_LIBRARY})
0040
0041 include(FindPackageHandleStandardArgs)
0042
0043 find_package_handle_standard_args(Leptonica
0044     REQUIRED_VARS
0045         Leptonica_INCLUDE_DIRS
0046         Leptonica_LIBRARIES
0047     VERSION_VAR Leptonica_VERSION
0048     FAIL_MESSAGE "Try to set Leptonica_DIR or Leptonica_ROOT"
0049 )
0050
0051 mark_as_advanced(Leptonica_INCLUDE_DIRS Leptonica_LIBRARIES)