cmake SymEngine examples

symforce-org/symforce third_party/symenginepy/CMakeLists.txt :5 

find_package(SymEngine 0.7.0 REQUIRED CONFIG
             PATH_SUFFIXES lib/cmake/symengine cmake/symengine CMake/)

dealii/dealii cmake/modules/FindDEAL_II_SYMENGINE.cmake :37 

find_package(SymEngine
  CONFIG QUIET
  HINTS ${SYMENGINE_DIR}
  PATH_SUFFIXES lib/cmake/symengine
  NO_SYSTEM_ENVIRONMENT_PATH
  )