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annotate OrthancFramework/Resources/CMake/LibIconvConfiguration.cmake @ 4759:cb18a1869e4e

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 21 Jul 2021 10:46:46 +0200
parents d9473bd5ed43
children 7053502fbf97
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1 # Orthanc - A Lightweight, RESTful DICOM Store
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2 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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3 # Department, University Hospital of Liege, Belgium
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4 # Copyright (C) 2017-2021 Osimis S.A., Belgium
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5 #
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6 # This program is free software: you can redistribute it and/or
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7 # modify it under the terms of the GNU Lesser General Public License
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8 # as published by the Free Software Foundation, either version 3 of
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9 # the License, or (at your option) any later version.
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10 #
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11 # This program is distributed in the hope that it will be useful, but
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12 # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 # Lesser General Public License for more details.
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15 #
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16 # You should have received a copy of the GNU Lesser General Public
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17 # License along with this program. If not, see
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18 # <http://www.gnu.org/licenses/>.
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19
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20
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21 message("Using libiconv")
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22
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23 if (STATIC_BUILD OR NOT USE_SYSTEM_LIBICONV)
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24 set(LIBICONV_SOURCES_DIR ${CMAKE_BINARY_DIR}/libiconv-1.15)
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25 set(LIBICONV_URL "http://orthanc.osimis.io/ThirdPartyDownloads/libiconv-1.15.tar.gz")
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26 set(LIBICONV_MD5 "ace8b5f2db42f7b3b3057585e80d9808")
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27
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28 DownloadPackage(${LIBICONV_MD5} ${LIBICONV_URL} "${LIBICONV_SOURCES_DIR}")
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29
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30 # Disable the support of libiconv that is shipped by default with
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31 # the C standard library on Linux. Setting this macro redirects
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32 # calls from "iconv*()" to "libiconv*()" by defining macros in the
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33 # C headers of "libiconv-1.15".
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34 add_definitions(-DLIBICONV_PLUG=1)
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35
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36 # https://groups.google.com/d/msg/android-ndk/AS1nkxnk6m4/EQm09hD1tigJ
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37 add_definitions(
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38 -DBUILDING_LIBICONV=1
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39 -DIN_LIBRARY=1
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40 -DLIBDIR=""
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41 -DICONV_CONST=
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42 #-DENABLE_EXTRA=1
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43 )
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45 configure_file(
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46 ${LIBICONV_SOURCES_DIR}/srclib/localcharset.h
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47 ${LIBICONV_SOURCES_DIR}/include
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48 COPYONLY)
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49
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50 set(HAVE_VISIBILITY 0)
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51 set(ICONV_CONST ${ICONV_CONST})
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52 set(USE_MBSTATE_T 1)
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53 set(BROKEN_WCHAR_H 0)
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54 set(EILSEQ)
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55 set(HAVE_WCHAR_T 1)
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56 configure_file(
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57 ${LIBICONV_SOURCES_DIR}/include/iconv.h.build.in
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58 ${LIBICONV_SOURCES_DIR}/include/iconv.h
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59 )
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60 unset(HAVE_VISIBILITY)
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61 unset(ICONV_CONST)
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62 unset(USE_MBSTATE_T)
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63 unset(BROKEN_WCHAR_H)
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64 unset(EILSEQ)
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65 unset(HAVE_WCHAR_T)
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66
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67 if (NOT EXISTS ${LIBICONV_SOURCES_DIR}/include/config.h)
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68 # Create an empty "config.h" for libiconv
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69 file(WRITE ${LIBICONV_SOURCES_DIR}/include/config.h "")
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70 endif()
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71
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72 include_directories(
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73 ${LIBICONV_SOURCES_DIR}/include
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74 )
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75
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76 set(LIBICONV_SOURCES
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77 ${LIBICONV_SOURCES_DIR}/lib/iconv.c
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78 ${LIBICONV_SOURCES_DIR}/lib/relocatable.c
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79 ${LIBICONV_SOURCES_DIR}/libcharset/lib/localcharset.c
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80 ${LIBICONV_SOURCES_DIR}/libcharset/lib/relocatable.c
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81 )
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82
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83 source_group(ThirdParty\\libiconv REGULAR_EXPRESSION ${LIBICONV_SOURCES_DIR}/.*)
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84
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85 if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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86 add_definitions(-DHAVE_WORKING_O_NOFOLLOW=0)
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87 else()
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88 add_definitions(-DHAVE_WORKING_O_NOFOLLOW=1)
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89 endif()
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90
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91 else()
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92 CHECK_INCLUDE_FILE_CXX(iconv.h HAVE_ICONV_H)
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93 if (NOT HAVE_ICONV_H)
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94 message(FATAL_ERROR "Please install the libiconv-dev package")
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95 endif()
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96
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97 # Check whether the support for libiconv is bundled within the
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98 # standard C library
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99 CHECK_FUNCTION_EXISTS(iconv_open HAVE_ICONV_LIB)
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100 if (NOT HAVE_ICONV_LIB)
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101 # No builtin support for libiconv, try and find an external library.
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102 # Open question: Does this make sense on any platform?
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103 CHECK_LIBRARY_EXISTS(iconv iconv_open "" HAVE_ICONV_LIB_2)
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104 if (NOT HAVE_ICONV_LIB_2)
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105 message(FATAL_ERROR "Please install the libiconv-dev package")
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106 else()
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107 link_libraries(iconv)
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108 endif()
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109 endif()
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110 endif()