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# Try to find the libbtbb library
#
# Once done this defines:
# LIBBTBB_FOUND - system has libbtbb
# LIBBTBB_INCLUDE_DIR - the libbtbb include directory
# LIBBTBB_LIBRARIES - Link these to use libbtbb
#
# Copyright (c) 2013 Dominic Spill
if (LIBBTBB_INCLUDE_DIR AND LIBBTBB_LIBRARIES)
# in cache already
set(LIBBTBB_FOUND TRUE)
else (LIBBTBB_INCLUDE_DIR AND LIBBTBB_LIBRARIES)
IF (NOT WIN32)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
find_package(PkgConfig)
pkg_check_modules(PC_LIBBTBB QUIET libbtbb)
ENDIF(NOT WIN32)
FIND_PATH(LIBBTBB_INCLUDE_DIR
NAMES btbb.h
HINTS $ENV{LIBBTBB_DIR}/include ${PC_LIBBTBB_INCLUDEDIR}
PATHS /usr/include /usr/local/include
/opt/local/include
${CMAKE_SOURCE_DIR}/../libbtbb/src
${LIBBTBB_INCLUDE_DIR}
)
set(libbtbb_library_names btbb btbb-static)
FIND_LIBRARY(LIBBTBB_LIBRARIES
NAMES ${libbtbb_library_names}
HINTS $ENV{LIBBTBB_DIR}/lib${LIB_SUFFIX} ${PC_LIBBTBB_LIBDIR}
PATHS /usr/local/lib${LIB_SUFFIX} /usr/lib${LIB_SUFFIX} /opt/local/lib${LIB_SUFFIX} ${PC_LIBBTBB_LIBDIR}
${PC_LIBBTBB_LIBRARY_DIRS} ${CMAKE_SOURCE_DIR}/../libbtbb/src
)
if(LIBBTBB_INCLUDE_DIR)
set(CMAKE_REQUIRED_INCLUDES ${LIBBTBB_INCLUDE_DIR})
endif()
if(LIBBTBB_LIBRARIES)
set(CMAKE_REQUIRED_LIBRARIES ${LIBBTBB_LIBRARIES})
endif()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBBTBB DEFAULT_MSG LIBBTBB_LIBRARIES LIBBTBB_INCLUDE_DIR)
MARK_AS_ADVANCED(LIBBTBB_INCLUDE_DIR LIBBTBB_LIBRARIES)
endif (LIBBTBB_INCLUDE_DIR AND LIBBTBB_LIBRARIES)
INCLUDE(CheckFunctionExists)
CHECK_FUNCTION_EXISTS("btbb_pcap_create_file" HAVE_BTBB_PCAP)
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