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#
# SOURCE: http://websvn.kde.org/trunk/kdesupport/strigi/cmake/FindCLucene.cmake?view=log
#
# ONE FIX: /usr/lib64 added to work on Fedora
#
#
# This module looks for clucene (http://clucene.sf.net) support
# It will define the following values
#
# CLUCENE_INCLUDE_DIR = where CLucene/StdHeader.h can be found
# CLUCENE_LIBRARY_DIR = where CLucene/clucene-config.h can be found
# CLUCENE_LIBRARY = the library to link against CLucene
# CLUCENE_VERSION = The CLucene version string
# CLucene_FOUND = set to 1 if clucene is found
#
INCLUDE(CheckSymbolExists)
INCLUDE(FindLibraryWithDebug)
if(NOT CLUCENE_MIN_VERSION)
set(CLUCENE_MIN_VERSION "0.9.19")
endif(NOT CLUCENE_MIN_VERSION)
IF(EXISTS ${PROJECT_CMAKE}/CLuceneConfig.cmake)
INCLUDE(${PROJECT_CMAKE}/CLuceneConfig.cmake)
ENDIF(EXISTS ${PROJECT_CMAKE}/CLuceneConfig.cmake)
IF(MSVC)
IF(CMAKE_BUILD_TYPE STREQUAL "Release")
SET(WIN_CLUCENE_SEARCH_PATH ../clucene-core/src/CLucene/Release)
ELSE(CMAKE_BUILD_TYPE STREQUAL "Release")
SET(WIN_CLUCENE_SEARCH_PATH ../clucene-core/src/CLucene/debug)
ENDIF(CMAKE_BUILD_TYPE STREQUAL "Release")
SET(WIN_CLUCENE_INCLUDE_PATH ../clucene-core/src)
ELSE(MSVC)
SET(WIN_CLUCENE_SEARCH_PATH "")
SET(WIN_CLUCENE_INCLUDE_PATH "")
ENDIF(MSVC)
SET(TRIAL_LIBRARY_PATHS
$ENV{CLUCENE_HOME}/lib${LIB_SUFFIX}
${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}
/usr/local/lib${LIB_SUFFIX}
/opt/local/lib${LIB_SUFFIX}
/usr/lib${LIB_SUFFIX}
/usr/lib64
${LIB_INSTALL_DIR}
/sw/lib${LIB_SUFFIX}
/usr/pkg/lib${LIB_SUFFIX}
${WIN_CLUCENE_SEARCH_PATH}
)
SET(TRIAL_INCLUDE_PATHS
$ENV{CLUCENE_HOME}/include
${CMAKE_INSTALL_PREFIX}/include
/usr/local/include
/usr/include
/sw/include
/usr/pkg/include
${WIN_CLUCENE_INCLUDE_PATH}
)
FIND_LIBRARY_WITH_DEBUG(CLUCENE_LIBRARY
NAMES clucene clucene-core
PATHS ${TRIAL_LIBRARY_PATHS})
FIND_PATH(CLUCENE_INCLUDE_DIR
NAMES CLucene.h
PATHS ${TRIAL_INCLUDE_PATHS}
ONLY_CMAKE_FIND_ROOT_PATH)
IF(WIN32)
SET(TRIAL_LIBRARY_PATHS ${CLUCENE_INCLUDE_DIR})
ENDIF(WIN32)
SET(CLUCENE_GOOD_VERSION TRUE)
FIND_PATH(CLUCENE_LIBRARY_DIR
NAMES CLucene/clucene-config.h PATHS ${TRIAL_LIBRARY_PATHS} ${TRIAL_INCLUDE_PATHS} NO_DEFAULT_PATH)
IF (CLUCENE_LIBRARY_DIR)
SET(CLUCENE_INCLUDE_DIR ${CLUCENE_INCLUDE_DIR} ${CLUCENE_LIBRARY_DIR})
#MESSAGE(STATUS "Found CLucene library dir: ${CLUCENE_LIBRARY_DIR}")
FILE(READ ${CLUCENE_LIBRARY_DIR}/CLucene/clucene-config.h CLCONTENT)
STRING(REGEX MATCH "_CL_VERSION +\".*\"" CLMATCH ${CLCONTENT})
IF (CLMATCH)
STRING(REGEX REPLACE "_CL_VERSION +\"(.*)\"" "\\1" CLUCENE_VERSION ${CLMATCH})
IF (CLUCENE_VERSION VERSION_LESS "${CLUCENE_MIN_VERSION}")
MESSAGE(ERROR " CLucene version ${CLUCENE_VERSION} is less than the required minimum ${CLUCENE_MIN_VERSION}")
SET(CLUCENE_GOOD_VERSION FALSE)
ENDIF (CLUCENE_VERSION VERSION_LESS "${CLUCENE_MIN_VERSION}")
IF (CLUCENE_VERSION STREQUAL "0.9.17")
MESSAGE(ERROR "CLucene version 0.9.17 is not supported.")
SET(CLUCENE_GOOD_VERSION FALSE)
ENDIF (CLUCENE_VERSION STREQUAL "0.9.17")
IF (CLUCENE_VERSION VERSION_GREATER "2.0")
MESSAGE (STATUS "Found CLucene 2, enabling compatibility mode")
SET(CLUCENE2 TRUE)
ELSE (CLUCENE_VERSION VERSION_GREATER "2.0")
SET(CLUCENE2 FALSE)
ENDIF (CLUCENE_VERSION VERSION_GREATER "2.0")
ENDIF (CLMATCH)
ELSE (CLUCENE_LIBRARY_DIR)
#MESSAGE(STATUS "CLucene library dir not found.")
ENDIF (CLUCENE_LIBRARY_DIR)
IF(CLUCENE_INCLUDE_DIR AND CLUCENE_LIBRARY AND CLUCENE_LIBRARY_DIR AND CLUCENE_GOOD_VERSION)
SET(CLucene_FOUND TRUE)
ENDIF(CLUCENE_INCLUDE_DIR AND CLUCENE_LIBRARY AND CLUCENE_LIBRARY_DIR AND CLUCENE_GOOD_VERSION)
IF(CLucene_FOUND)
IF(NOT CLucene_FIND_QUIETLY)
MESSAGE(STATUS "CLucene: Yes ${CLUCENE_LIBRARY}")
ENDIF(NOT CLucene_FIND_QUIETLY)
ELSE(CLucene_FOUND)
IF(CLucene_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "CLucene: No")
ENDIF(CLucene_FIND_REQUIRED)
ENDIF(CLucene_FOUND)
MARK_AS_ADVANCED(
CLUCENE_INCLUDE_DIR
CLUCENE_LIBRARY_DIR
CLUCENE_LIBRARY
)
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