development/cmake/modules/FindICONV.cmake

   1 #
   2 #  Copyright (c) 2006, Peter Kümmel, <syntheticpp@gmx.net>
   3 #
   4 #  Redistribution and use in source and binary forms, with or without
   5 #  modification, are permitted provided that the following conditions
   6 #  are met:
   7 #
   8 #  1. Redistributions of source code must retain the copyright
   9 #     notice, this list of conditions and the following disclaimer.
  10 #  2. Redistributions in binary form must reproduce the copyright
  11 #     notice, this list of conditions and the following disclaimer in the
  12 #     documentation and/or other materials provided with the distribution.
  13 #  3. The name of the author may not be used to endorse or promote products
  14 #     derived from this software without specific prior written permission.
  15 #
  16 #  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17 #  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18 #  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19 #  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20 #  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21 #  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 #  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 #  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25 #  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27
  28 set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
  29
  30 if (ICONV_INCLUDE_DIR)
  31   # Already in cache, be silent
  32   set(ICONV_FIND_QUIETLY TRUE)
  33 endif()
  34
  35 find_path(ICONV_INCLUDE_DIR iconv.h PATHS
  36  /usr/include
  37  /usr/local/include)
  38
  39 find_file(ICONV_HEADER iconv.h
  40         PATHS ${ICONV_INCLUDE_DIR} NO_DEFAULT_PATH)
  41
  42 set(POTENTIAL_ICONV_LIBS iconv libiconv libiconv2)
  43
  44
  45 find_library(ICONV_LIBRARY NAMES ${POTENTIAL_ICONV_LIBS}
  46         PATHS
  47         ${ICONV_RELATIVE_TO_LIBINTL}
  48         NO_DEFAULT_PATH)
  49
  50 find_library(ICONV_LIBRARY NAMES ${POTENTIAL_ICONV_LIBS}
  51         PATHS ${SYSTEM_LIB_DIRS} )
  52
  53 if(WIN32)
  54         set(ICONV_DLL_NAMES iconv.dll  libiconv.dll libiconv2.dll)
  55         find_file(ICONV_DLL
  56                                         NAMES ${ICONV_DLL_NAMES}
  57                                         PATHS ENV PATH
  58                                         ${ICONV_INCLUDE_DIR}/../bin)
  59         find_file(ICONV_DLL_HELP
  60                                         NAMES ${ICONV_DLL_NAMES}
  61                                         PATHS ENV PATH
  62                                         ${ICONV_INCLUDE_DIR}/../bin)
  63         if(ICONV_FIND_REQUIRED)
  64                 if(NOT ICONV_DLL AND NOT ICONV_DLL_HELP)
  65                         message(FATAL_ERROR "Could not find iconv.dll, please add correct your PATH environment variable")
  66                 endif()
  67                 if(NOT ICONV_DLL AND ICONV_DLL_HELP)
  68                         get_filename_component(ICONV_DLL_HELP ${ICONV_DLL_HELP} PATH)
  69                         message(STATUS)
  70                         message(STATUS "Could not find iconv.dll in standard search path, please add ")
  71                         message(STATUS "${ICONV_DLL_HELP}")
  72                         message(STATUS "to your PATH environment variable.")
  73                         message(STATUS)
  74                         message(FATAL_ERROR "exit cmake")
  75                 endif()
  76         endif()
  77         if(ICONV_INCLUDE_DIR AND ICONV_LIBRARY AND ICONV_DLL)
  78                 set(ICONV_FOUND TRUE)
  79         endif()
  80 else()
  81         include(CheckFunctionExists)
  82         check_function_exists(iconv HAVE_ICONV_IN_LIBC)
  83         if(ICONV_INCLUDE_DIR AND HAVE_ICONV_IN_LIBC)
  84                 set(ICONV_FOUND TRUE)
  85                 set(ICONV_LIBRARY  CACHE TYPE STRING FORCE)
  86         endif()
  87         if(ICONV_INCLUDE_DIR AND ICONV_LIBRARY)
  88                 set(ICONV_FOUND TRUE)
  89         endif()
  90 endif()
  91
  92
  93
  94 if(ICONV_FOUND)
  95    if(NOT ICONV_FIND_QUIETLY)
  96       message(STATUS "Found iconv library: ${ICONV_LIBRARY}")
  97       #message(STATUS "Found iconv   dll  : ${ICONV_DLL}")
  98    endif()
  99 else()
 100    if(ICONV_FIND_REQUIRED)
 101       message(STATUS "Looked for iconv library named ${POTENTIAL_ICONV_LIBS}.")
 102       message(STATUS "Found no acceptable iconv library. This is fatal.")
 103       message(STATUS "iconv header: ${ICONV_INCLUDE_DIR}")
 104       message(STATUS "iconv lib   : ${ICONV_LIBRARY}")
 105       message(FATAL_ERROR "Could NOT find iconv library")
 106    endif()
 107 endif()
 108
 109 mark_as_advanced(ICONV_LIBRARY ICONV_INCLUDE_DIR ICONV_DLL ICONV_DLL_HELP)