ground/gcs/src/libs/eigen/cmake/FindGoogleHash.cmake

   1
   2 if (GOOGLEHASH_INCLUDES AND GOOGLEHASH_LIBRARIES)
   3   set(GOOGLEHASH_FIND_QUIETLY TRUE)
   4 endif (GOOGLEHASH_INCLUDES AND GOOGLEHASH_LIBRARIES)
   5
   6 find_path(GOOGLEHASH_INCLUDES
   7   NAMES
   8   google/dense_hash_map
   9   PATHS
  10   ${INCLUDE_INSTALL_DIR}
  11 )
  12
  13 if(GOOGLEHASH_INCLUDES)
  14   # let's make sure it compiles with the current compiler
  15   file(WRITE ${CMAKE_BINARY_DIR}/googlehash_test.cpp
  16   "#include <google/sparse_hash_map>\n#include <google/dense_hash_map>\nint main(int argc, char** argv) { google::dense_hash_map<int,float> a; google::sparse_hash_map<int,float> b; return 0;}\n")
  17   try_compile(GOOGLEHASH_COMPILE ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}/googlehash_test.cpp OUTPUT_VARIABLE GOOGLEHASH_COMPILE_RESULT)
  18 endif(GOOGLEHASH_INCLUDES)
  19
  20 include(FindPackageHandleStandardArgs)
  21 find_package_handle_standard_args(GOOGLEHASH DEFAULT_MSG GOOGLEHASH_INCLUDES GOOGLEHASH_COMPILE)
  22
  23 mark_as_advanced(GOOGLEHASH_INCLUDES)