cmake/Modules/FindReadline.cmake

   1 # - Find the readline library
   2 # This module defines
   3 #  READLINE_INCLUDE_DIR, path to readline/readline.h, etc.
   4 #  READLINE_LIBRARIES, the libraries required to use READLINE.
   5 #  READLINE_FOUND, If false, do not try to use READLINE.
   6 # also defined, but not for general use are
   7 # READLINE_readline_LIBRARY, where to find the READLINE library.
   8 # READLINE_ncurses_LIBRARY, where to find the ncurses library [might not be defined]
   9
  10 # Apple readline does not support readline hooks
  11 # So we look for another one by default
  12 IF (APPLE OR FREEBSD)
  13   FIND_PATH (READLINE_INCLUDE_DIR NAMES readline/readline.h PATHS
  14     /usr/include/
  15     /sw/include
  16     /opt/local/include
  17     /opt/include
  18     /usr/local/include
  19     NO_DEFAULT_PATH
  20     )
  21 ENDIF (APPLE OR FREEBSD)
  22 FIND_PATH (READLINE_INCLUDE_DIR NAMES readline/readline.h)
  23
  24
  25 # Apple readline does not support readline hooks
  26 # So we look for another one by default
  27 IF (APPLE OR FREEBSD)
  28   FIND_LIBRARY (READLINE_readline_LIBRARY NAMES readline PATHS
  29     /usr/lib
  30     /sw/lib
  31     /opt/local/lib
  32     /opt/lib
  33     /usr/local/lib
  34     NO_DEFAULT_PATH
  35     )
  36 ENDIF (APPLE OR FREEBSD)
  37 FIND_LIBRARY (READLINE_readline_LIBRARY NAMES readline)
  38
  39 # Sometimes readline really needs ncurses
  40 IF (APPLE OR FREEBSD)
  41   FIND_LIBRARY (READLINE_ncurses_LIBRARY NAMES ncurses PATHS
  42     /usr/lib
  43     /sw/lib
  44     /opt/local/lib
  45     /opt/lib
  46     /usr/local/lib
  47     /usr/lib
  48     NO_DEFAULT_PATH
  49     )
  50 ENDIF (APPLE OR FREEBSD)
  51 FIND_LIBRARY (READLINE_ncurses_LIBRARY NAMES ncurses)
  52
  53 MARK_AS_ADVANCED (
  54   READLINE_INCLUDE_DIR
  55   READLINE_readline_LIBRARY
  56   READLINE_ncurses_LIBRARY
  57   )
  58
  59 SET (READLINE_FOUND "NO" )
  60 IF (READLINE_INCLUDE_DIR)
  61   IF (READLINE_readline_LIBRARY)
  62     SET (READLINE_FOUND "YES" )
  63     SET (READLINE_LIBRARIES
  64       ${READLINE_readline_LIBRARY}
  65       )
  66
  67     # some readline libraries depend on ncurses
  68     IF (READLINE_ncurses_LIBRARY)
  69       SET (READLINE_LIBRARIES ${READLINE_LIBRARIES} ${READLINE_ncurses_LIBRARY})
  70     ENDIF (READLINE_ncurses_LIBRARY)
  71
  72   ENDIF (READLINE_readline_LIBRARY)
  73 ENDIF (READLINE_INCLUDE_DIR)
  74
  75 IF (READLINE_FOUND)
  76   MESSAGE (STATUS "Found readline library")
  77 ELSE (READLINE_FOUND)
  78   IF (READLINE_FIND_REQUIRED)
  79     MESSAGE (FATAL_ERROR "Could not find readline -- please give some paths to CMake")
  80   ENDIF (READLINE_FIND_REQUIRED)
  81 ENDIF (READLINE_FOUND)