development/cmake/modules/FindZLIB.cmake

   1 #
   2 #  based on cmake file
   3 #
   4 if (ZLIB_INCLUDE_DIR)
   5   # Already in cache, be silent
   6   set(ZLIB_FIND_QUIETLY TRUE)
   7 endif (ZLIB_INCLUDE_DIR)
   8
   9 FIND_PATH(ZLIB_INCLUDE_DIR zlib.h
  10  /usr/include
  11  /usr/local/include
  12 )
  13
  14 set(POTENTIAL_Z_LIBS z zlib zdll)
  15 FIND_LIBRARY(ZLIB_LIBRARY NAMES ${POTENTIAL_Z_LIBS}
  16 PATHS
  17  /usr/lib
  18  /usr/local/lib
  19 )
  20
  21 IF (ZLIB_INCLUDE_DIR AND ZLIB_LIBRARY)
  22    SET(ZLIB_FOUND TRUE)
  23 ENDIF (ZLIB_INCLUDE_DIR AND ZLIB_LIBRARY)
  24
  25 IF (ZLIB_FOUND)
  26    IF (NOT ZLIB_FIND_QUIETLY)
  27       MESSAGE(STATUS "Found Z: ${ZLIB_LIBRARY}")
  28    ENDIF (NOT ZLIB_FIND_QUIETLY)
  29 ELSE (ZLIB_FOUND)
  30    IF (ZLIB_FIND_REQUIRED)
  31       MESSAGE(STATUS "Looked for Z libraries named ${POTENTIAL_Z_LIBS}.")
  32       MESSAGE(STATUS "Found no acceptable Z library. This is fatal.")
  33       MESSAGE(FATAL_ERROR "Could NOT find z library")
  34    ENDIF (ZLIB_FIND_REQUIRED)
  35 ENDIF (ZLIB_FOUND)
  36
  37 MARK_AS_ADVANCED(ZLIB_LIBRARY ZLIB_INCLUDE_DIR)