osquery-1/CMake/FindDl.cmake
2014-09-23 19:44:58 -07:00

54 lines
1.5 KiB
CMake

# - Check for the presence of DL
#
# The following variables are set when DL is found:
# HAVE_DL = Set to true, if all components of DL
# have been found.
# DL_INCLUDES = Include path for the header files of DL
# DL_LIBRARIES = Link these to use DL
## -----------------------------------------------------------------------------
## Check for the header files
find_path (DL_INCLUDES dlfcn.h
PATHS /usr/local/include /usr/include ${CMAKE_EXTRA_INCLUDES}
)
## -----------------------------------------------------------------------------
## Check for the library
find_library (DL_LIBRARIES dl
PATHS /usr/local/lib /usr/lib /lib ${CMAKE_EXTRA_LIBRARIES}
)
## -----------------------------------------------------------------------------
## Actions taken when all components have been found
if (DL_INCLUDES AND DL_LIBRARIES)
set (HAVE_DL TRUE)
else (DL_INCLUDES AND DL_LIBRARIES)
if (NOT DL_FIND_QUIETLY)
if (NOT DL_INCLUDES)
message (STATUS "Unable to find DL header files!")
endif (NOT DL_INCLUDES)
if (NOT DL_LIBRARIES)
message (STATUS "Unable to find DL library files!")
endif (NOT DL_LIBRARIES)
endif (NOT DL_FIND_QUIETLY)
endif (DL_INCLUDES AND DL_LIBRARIES)
if (HAVE_DL)
if (NOT DL_FIND_QUIETLY)
message (STATUS "Found components for DL")
endif (NOT DL_FIND_QUIETLY)
else (HAVE_DL)
if (DL_FIND_REQUIRED)
message (FATAL_ERROR "Could not find DL!")
endif (DL_FIND_REQUIRED)
endif (HAVE_DL)
mark_as_advanced (
HAVE_DL
DL_LIBRARIES
DL_INCLUDES
)