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# Try to find CAF headers and library.
#
# Use this module as follows:
#
# find_package(CAF)
#
# Variables used by this module (they can change the default behaviour and need
# to be set before calling find_package):
#
# CAF_ROOT_DIR Set this variable either to an installation prefix or to wa
# CAF build directory where to look for the CAF libraries.
#
# Variables defined by this module:
#
# CAF_FOUND System has CAF headers and library
# CAF_LIBRARIES List of library files for all components
# CAF_INCLUDE_DIRS List of include paths for all components
# CAF_LIBRARY_$C Library file for component $C
# CAF_INCLUDE_DIR_$C Include path for component $C
# iterate over user-defined components
foreach (comp ${CAF_FIND_COMPONENTS})
# we use uppercase letters only for variable names
string(TOUPPER "${comp}" UPPERCOMP)
if ("${comp}" STREQUAL "core")
set(HDRNAME "caf/all.hpp")
elseif ("${comp}" STREQUAL "test")
set(HDRNAME "caf/test/unit_test.hpp")
else ()
set(HDRNAME "caf/${comp}/all.hpp")
endif ()
if (CAF_ROOT_DIR)
set(header_hints
"${CAF_ROOT_DIR}/include"
"${CAF_ROOT_DIR}/../libcaf_${comp}")
endif ()
find_path(CAF_INCLUDE_DIR_${UPPERCOMP}
NAMES
${HDRNAME}
HINTS
${header_hints}
/usr/include
/usr/local/include
/opt/local/include
/sw/include
${CMAKE_INSTALL_PREFIX}/include)
mark_as_advanced(CAF_INCLUDE_DIR_${UPPERCOMP})
if (NOT "${CAF_INCLUDE_DIR_${UPPERCOMP}}"
STREQUAL "CAF_INCLUDE_DIR_${UPPERCOMP}-NOTFOUND")
# mark as found (set back to false in case library cannot be found)
set(CAF_${comp}_FOUND true)
# add to CAF_INCLUDE_DIRS only if path isn't already set
set(duplicate false)
foreach (p ${CAF_INCLUDE_DIRS})
if (${p} STREQUAL ${CAF_INCLUDE_DIR_${UPPERCOMP}})
set(duplicate true)
endif ()
endforeach ()
if (NOT duplicate)
set(CAF_INCLUDE_DIRS ${CAF_INCLUDE_DIRS} ${CAF_INCLUDE_DIR_${UPPERCOMP}})
endif()
# look for (.dll|.so|.dylib) file, again giving hints for non-installed CAFs
# skip probe_event as it is header only
if (NOT ${comp} STREQUAL "probe_event" AND NOT ${comp} STREQUAL "test")
if (CAF_ROOT_DIR)
set(library_hints "${CAF_ROOT_DIR}/lib")
endif ()
find_library(CAF_LIBRARY_${UPPERCOMP}
NAMES
"caf_${comp}"
HINTS
${library_hints}
/usr/lib
/usr/local/lib
/opt/local/lib
/sw/lib
${CMAKE_INSTALL_PREFIX}/lib)
mark_as_advanced(CAF_LIBRARY_${UPPERCOMP})
if ("${CAF_LIBRARY_${UPPERCOMP}}" STREQUAL "CAF_LIBRARY-NOTFOUND")
set(CAF_${comp}_FOUND false)
else ()
set(CAF_LIBRARIES ${CAF_LIBRARIES} ${CAF_LIBRARY_${UPPERCOMP}})
endif ()
endif ()
endif ()
endforeach ()
# let CMake check whether all requested components have been found
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(CAF
FOUND_VAR CAF_FOUND
REQUIRED_VARS CAF_LIBRARIES CAF_INCLUDE_DIRS
HANDLE_COMPONENTS)
# final step to tell CMake we're done
mark_as_advanced(CAF_ROOT_DIR
CAF_LIBRARIES
CAF_INCLUDE_DIRS)
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