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#
# Copyright (c) 2009-2010 High Performance Computing Center Stuttgart,
# University of Stuttgart. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
#
# LIBLTDL_PATH - path to libltdl dir
# LIBLTDL_LIB_PATH - path to ltdl.lib
# LIBLTDL_INCLUDE_PATH - path to ltdl.h
# LIBLTDL_FOUND - system has Libltdl
#
SET(LIBLTDL_PATH "" CACHE PATH "Path to libltdl root directory.")
IF(NOT OPAL_WANT_LIBLTDL)
SET(LIBLTDL_FOUND FALSE CACHE INTERNAL "find result of libltdl.")
ELSE(NOT OPAL_WANT_LIBLTDL)
IF(NOT LIBLTDL_FOUND OR NOT "${LIBLTDL_PATH}" STREQUAL "${LIBLTDL_OLD_PATH}")
MESSAGE(STATUS "looking for libltdl...")
# set the default search path
IF("${LIBLTDL_PATH}" STREQUAL "")
SET(CHECK_PATH "$ENV{ProgramFiles}/GnuWin32")
ELSE("${LIBLTDL_PATH}" STREQUAL "")
SET(CHECK_PATH ${LIBLTDL_PATH})
ENDIF("${LIBLTDL_PATH}" STREQUAL "")
# clear the old find results and start a new search
UNSET(LIBLTDL_INCLUDE_PATH CACHE)
UNSET(LIBLTDL_LIB_PATH CACHE)
FIND_FILE(LIBLTDL_LIB ltdl.lib PATHS ${CHECK_PATH}/lib)
FIND_PATH(LIBLTDL_INCLUDE_PATH ltdl.h PATHS ${CHECK_PATH}/include)
IF(LIBLTDL_LIB AND LIBLTDL_INCLUDE_PATH)
SET(LIBLTDL_FOUND TRUE CACHE INTERNAL "find result of libltdl.")
SET(LIBLTDL_OLD_PATH ${LIBLTDL_PATH} CACHE INTERNAL "Store the old libltdl path.")
MESSAGE(STATUS "looking for libltdl...found.")
ELSE(LIBLTDL_LIB AND LIBLTDL_INCLUDE_PATH)
SET(LIBLTDL_FOUND FALSE CACHE INTERNAL "find result of libltdl.")
MESSAGE(STATUS "looking for libltdl...failed.")
ENDIF(LIBLTDL_LIB AND LIBLTDL_INCLUDE_PATH)
ENDIF(NOT LIBLTDL_FOUND OR NOT "${LIBLTDL_PATH}" STREQUAL "${LIBLTDL_OLD_PATH}")
ENDIF(NOT OPAL_WANT_LIBLTDL)
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