src/ceph/cmake/modules/Findrdma.cmake

   1 # - Find rdma
   2 # Find the rdma library and includes
   3 #
   4 # RDMA_INCLUDE_DIR - where to find ibverbs.h, etc.
   5 # RDMA_LIBRARIES - List of libraries when using ibverbs.
   6 # RDMA_FOUND - True if ibverbs found.
   7
   8 find_path(RDMA_INCLUDE_DIR infiniband/verbs.h)
   9
  10 set(RDMA_NAMES ${RDMA_NAMES} ibverbs)
  11 find_library(RDMA_LIBRARY NAMES ${RDMA_NAMES})
  12
  13 if (RDMA_INCLUDE_DIR AND RDMA_LIBRARY)
  14   set(RDMA_FOUND TRUE)
  15   set(RDMA_LIBRARIES ${RDMA_LIBRARY})
  16 else ()
  17   set(RDMA_FOUND FALSE)
  18   set( RDMA_LIBRARIES )
  19 endif ()
  20
  21 if (RDMA_FOUND)
  22   message(STATUS "Found libibverbs: ${RDMA_LIBRARY}")
  23
  24   include(CheckCXXSourceCompiles)
  25   CHECK_CXX_SOURCE_COMPILES("
  26     #include <infiniband/verbs.h>
  27     int main() {
  28       struct ibv_context* ctxt;
  29       struct ibv_exp_gid_attr gid_attr;
  30       ibv_exp_query_gid_attr(ctxt, 1, 0, &gid_attr);
  31       return 0;
  32     } " HAVE_IBV_EXP)
  33
  34 else ()
  35   message(STATUS "Not Found libibverbs: ${RDMA_LIBRARY}")
  36   if (RDMA_FIND_REQUIRED)
  37     message(STATUS "Looked for libibverbs named ${RDMA_NAMES}.")
  38     message(FATAL_ERROR "Could NOT find libibverbs")
  39   endif ()
  40 endif ()
  41
  42 # handle the QUIETLY and REQUIRED arguments and set UUID_FOUND to TRUE if
  43 # all listed variables are TRUE
  44 include(FindPackageHandleStandardArgs)
  45 find_package_handle_standard_args(ibverbs DEFAULT_MSG RDMA_LIBRARIES RDMA_INCLUDE_DIR)
  46
  47 mark_as_advanced(
  48   RDMA_LIBRARY
  49 )