cmake/FindLibBpf.cmake

   1 # - Try to find libbpf
   2 # Once done this will define
   3 #
   4 #  LIBBPF_FOUND            - system has libbpf
   5 #  LIBBPF_INCLUDE_DIR      - the libbpf include directory
   6 #  LIBBPF_STATIC_LIBRARIES - the libbpf source directory
   7 #  LIBBPF_LIBRARIES        - link these to use libbpf
   8
   9 #if (LIBBPF_LIBRARIES AND LIBBPF_INCLUDE_DIR AND LIBBPF_STATIC_LIBRARIES)
  10 #  set (LibBpf_FIND_QUIETLY TRUE)
  11 #endif (LIBBPF_LIBRARIES AND LIBBPF_INCLUDE_DIR AND LIBBPF_STATIC_LIBRARIES)
  12
  13 # You'll need following packages to be installed (Fedora names):
  14 # libbpf
  15 # libbpf-static
  16 # libbpf-devel
  17
  18 find_path (LIBBPF_INCLUDE_DIR
  19   NAMES
  20     bpf/bpf.h
  21     bpf/btf.h
  22     bpf/libbpf.h
  23
  24   PATHS
  25     /usr/include
  26     /usr/local/include
  27     /opt/local/include
  28     /sw/include
  29     ENV CPATH)
  30
  31 find_library (LIBBPF_LIBRARIES
  32   NAMES
  33     bpf
  34   PATHS
  35     /usr/lib
  36     /usr/local/lib
  37     /opt/local/lib
  38     /sw/lib
  39     ENV LIBRARY_PATH
  40     ENV LD_LIBRARY_PATH)
  41 if(LIBBPF_LIBRARIES)
  42 list(APPEND PATHS LIBBPF_LIBRARIES)
  43 endif()
  44
  45 find_library (LIBBPF_STATIC_LIBRARIES
  46   NAMES
  47     libbpf.a
  48   PATHS
  49     /usr/lib
  50     /usr/local/lib
  51     /opt/local/lib
  52     /sw/lib
  53     ENV LIBRARY_PATH
  54     ENV LD_LIBRARY_PATH)
  55 if(LIBBPF_STATIC_LIBRARIES)
  56 list(APPEND PATHS LIBBPF_STATIC_LIBRARIES)
  57 endif()
  58
  59 if(LIBBPF_STATIC_LIBRARIES OR LIBBPF_LIBRARIES)
  60 include (FindPackageHandleStandardArgs)
  61
  62 # handle the QUIETLY and REQUIRED arguments and set LIBBPF_FOUND to TRUE if all listed variables are TRUE
  63 FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibBpf "Please install the libbpf development package"
  64   ${PATHS}
  65   LIBBPF_INCLUDE_DIR)
  66
  67 mark_as_advanced(LIBBPF_INCLUDE_DIR ${PATHS})
  68 else()
  69 message(Please install the libbpf development package)
  70 endif()