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annotate Resources/CMake/LibIconvConfiguration.cmake @ 2366:26f3a346226f

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more consistent handling of libiconv in cmake
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 21 Aug 2017 21:21:48 +0200
parents 423d3b692bb9
children 2aff870c2c58
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1 if (NOT USE_BOOST_ICONV)
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2 message("Not using libiconv")
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3
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4 if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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5 # Starting with release 0.8.2, Orthanc statically links against
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6 # libiconv, even on Windows. Indeed, the "WCONV" library of
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7 # Windows XP seems not to support properly several codepages
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8 # (notably "Latin3", "Hebrew", and "Arabic"). The flag
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9 # "USE_BOOST_ICONV" allows to force the use of "WCONV".
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10 add_definitions(-DBOOST_LOCALE_WITH_WCONV=1)
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11 else()
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12 message(FATAL_ERROR "Support your platform here")
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13 endif()
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14
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15 else()
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16 message("Using libiconv")
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17
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18 add_definitions(
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19 -DBOOST_LOCALE_WITH_ICONV=1
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20 )
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22 if (STATIC_BUILD OR NOT USE_SYSTEM_LIBICONV)
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23 set(LIBICONV_SOURCES_DIR ${CMAKE_BINARY_DIR}/libiconv-1.15)
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24 set(LIBICONV_URL "http://www.orthanc-server.com/downloads/third-party/libiconv-1.15.tar.gz")
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25 set(LIBICONV_MD5 "ace8b5f2db42f7b3b3057585e80d9808")
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26
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27 DownloadPackage(${LIBICONV_MD5} ${LIBICONV_URL} "${LIBICONV_SOURCES_DIR}")
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28
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29 # Disable the support of libiconv that is shipped by default with
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30 # the C standard library on Linux. Setting this macro redirects
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31 # calls from "iconv*()" to "libiconv*()" in the source code of
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32 # "libiconv-1.15".
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33 add_definitions(-DLIBICONV_PLUG=1)
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35 # https://groups.google.com/d/msg/android-ndk/AS1nkxnk6m4/EQm09hD1tigJ
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36 add_definitions(
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37 -DBUILDING_LIBICONV=1
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38 -DIN_LIBRARY=1
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39 -DLIBDIR=""
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40 -DICONV_CONST=
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41 )
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42
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43 configure_file(
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44 ${LIBICONV_SOURCES_DIR}/srclib/localcharset.h
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45 ${LIBICONV_SOURCES_DIR}/include
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46 COPYONLY)
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48 set(HAVE_VISIBILITY 0)
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49 set(ICONV_CONST ${ICONV_CONST})
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50 set(USE_MBSTATE_T 1)
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51 set(BROKEN_WCHAR_H 0)
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52 set(EILSEQ)
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53 set(HAVE_WCHAR_T 1)
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54 configure_file(
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55 ${LIBICONV_SOURCES_DIR}/include/iconv.h.build.in
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56 ${LIBICONV_SOURCES_DIR}/include/iconv.h
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57 )
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58 unset(HAVE_VISIBILITY)
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59 unset(ICONV_CONST)
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60 unset(USE_MBSTATE_T)
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61 unset(BROKEN_WCHAR_H)
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62 unset(EILSEQ)
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63 unset(HAVE_WCHAR_T)
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64
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65 # Create an empty "config.h" for libiconv
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66 file(WRITE ${LIBICONV_SOURCES_DIR}/include/config.h "")
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67
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68 include_directories(
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69 ${LIBICONV_SOURCES_DIR}/include
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70 )
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71
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72 set(LIBICONV_SOURCES
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73 ${LIBICONV_SOURCES_DIR}/lib/iconv.c
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74 ${LIBICONV_SOURCES_DIR}/lib/relocatable.c
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75 ${LIBICONV_SOURCES_DIR}/libcharset/lib/localcharset.c
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76 ${LIBICONV_SOURCES_DIR}/libcharset/lib/relocatable.c
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77 )
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79 source_group(ThirdParty\\libiconv REGULAR_EXPRESSION ${LIBICONV_SOURCES_DIR}/.*)
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81 if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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82 add_definitions(-DHAVE_WORKING_O_NOFOLLOW=0)
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83 else()
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84 add_definitions(-DHAVE_WORKING_O_NOFOLLOW=1)
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85 endif()
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86
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87 else()
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88 CHECK_INCLUDE_FILE_CXX(iconv.h HAVE_ICONV_H)
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89 if (NOT HAVE_ICONV_H)
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90 message(FATAL_ERROR "Please install the libiconv-dev package")
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91 endif()
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93 # Check whether the support for libiconv is bundled within the
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94 # standard library
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95 CHECK_FUNCTION_EXISTS(iconv_open HAVE_ICONV_LIB)
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96 if (NOT HAVE_ICONV_LIB)
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97 # No builtin support for libiconv, try and find an external library.
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98 # Open question: Does this make sense on any platform?
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99 CHECK_LIBRARY_EXISTS(iconv iconv_open "" HAVE_ICONV_LIB_2)
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100 if (NOT HAVE_ICONV_LIB_2)
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101 message(FATAL_ERROR "Please install the libiconv-dev package")
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102 else()
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103 link_libraries(iconv)
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104 endif()
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105 endif()
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106
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107 endif()
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108 endif()