cmake Libffi examples

ornladios/ADIOS2 thirdparty/dill/dill/CMakeLists.txt :207 

find_package(LibFFI)

cmu-db/peloton cmake/Dependencies.cmake :90 

find_package(Libffi)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/fluidsynth/cmake_admin/FindGLib2.cmake :214 

find_package(libffi QUIET)

apache/celix bundles/remote_services/remote_service_admin_dfi/gtest/CMakeLists.txt :18 

find_package(libffi REQUIRED)

FluidSynth/fluidsynth cmake_admin/FindGLib2.cmake :217 

find_package(libffi QUIET)