pigpio/cmake/FindRT.cmake

39 lines
853 B
CMake

# FindRT.cmake - Try to find the RT library
# Once done this will define
#
# RT_FOUND - System has rt
# RT_INCLUDE_DIR - The rt include directory
# RT_LIBRARIES - The libraries needed to use rt
# RT_DEFINITIONS - Compiler switches required for using rt
#
# Also creates an import target called RT::RT
find_path (RT_INCLUDE_DIR NAMES time.h
PATHS
/usr
/usr/local
/opt
PATH_SUFFIXES
)
find_library(RT_LIBRARIES NAMES rt
PATHS
/usr
/usr/local
/opt
)
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(rt DEFAULT_MSG RT_LIBRARIES RT_INCLUDE_DIR)
mark_as_advanced(RT_INCLUDE_DIR RT_LIBRARIES)
if (NOT TARGET RT::RT)
add_library(RT::RT INTERFACE IMPORTED)
set_target_properties(RT::RT PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${RT_INCLUDE_DIR}
INTERFACE_LINK_LIBRARIES ${RT_LIBRARIES}
)
endif()