development/cmake/modules/FindZLIB.cmake

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