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annotate Resources/CMake/LibIconvConfiguration.cmake @ 3890:35065dd39cc8

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 05 May 2020 18:08:36 +0200
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children
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1 message("Using libiconv")
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2
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3 if (STATIC_BUILD OR NOT USE_SYSTEM_LIBICONV)
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4 set(LIBICONV_SOURCES_DIR ${CMAKE_BINARY_DIR}/libiconv-1.15)
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5 set(LIBICONV_URL "http://orthanc.osimis.io/ThirdPartyDownloads/libiconv-1.15.tar.gz")
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6 set(LIBICONV_MD5 "ace8b5f2db42f7b3b3057585e80d9808")
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7
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8 DownloadPackage(${LIBICONV_MD5} ${LIBICONV_URL} "${LIBICONV_SOURCES_DIR}")
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9
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10 # Disable the support of libiconv that is shipped by default with
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11 # the C standard library on Linux. Setting this macro redirects
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12 # calls from "iconv*()" to "libiconv*()" by defining macros in the
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13 # C headers of "libiconv-1.15".
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14 add_definitions(-DLIBICONV_PLUG=1)
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15
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16 # https://groups.google.com/d/msg/android-ndk/AS1nkxnk6m4/EQm09hD1tigJ
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17 add_definitions(
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18 -DBUILDING_LIBICONV=1
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19 -DIN_LIBRARY=1
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20 -DLIBDIR=""
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21 -DICONV_CONST=
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22 #-DENABLE_EXTRA=1
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23 )
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24
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25 configure_file(
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26 ${LIBICONV_SOURCES_DIR}/srclib/localcharset.h
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27 ${LIBICONV_SOURCES_DIR}/include
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28 COPYONLY)
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29
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30 set(HAVE_VISIBILITY 0)
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31 set(ICONV_CONST ${ICONV_CONST})
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32 set(USE_MBSTATE_T 1)
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33 set(BROKEN_WCHAR_H 0)
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34 set(EILSEQ)
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35 set(HAVE_WCHAR_T 1)
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36 configure_file(
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37 ${LIBICONV_SOURCES_DIR}/include/iconv.h.build.in
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38 ${LIBICONV_SOURCES_DIR}/include/iconv.h
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39 )
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40 unset(HAVE_VISIBILITY)
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41 unset(ICONV_CONST)
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42 unset(USE_MBSTATE_T)
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43 unset(BROKEN_WCHAR_H)
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44 unset(EILSEQ)
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45 unset(HAVE_WCHAR_T)
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46
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47 if (NOT EXISTS ${LIBICONV_SOURCES_DIR}/include/config.h)
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48 # Create an empty "config.h" for libiconv
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49 file(WRITE ${LIBICONV_SOURCES_DIR}/include/config.h "")
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50 endif()
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51
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52 include_directories(
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53 ${LIBICONV_SOURCES_DIR}/include
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54 )
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55
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56 set(LIBICONV_SOURCES
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57 ${LIBICONV_SOURCES_DIR}/lib/iconv.c
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58 ${LIBICONV_SOURCES_DIR}/lib/relocatable.c
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59 ${LIBICONV_SOURCES_DIR}/libcharset/lib/localcharset.c
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60 ${LIBICONV_SOURCES_DIR}/libcharset/lib/relocatable.c
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61 )
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62
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63 source_group(ThirdParty\\libiconv REGULAR_EXPRESSION ${LIBICONV_SOURCES_DIR}/.*)
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64
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65 if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
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66 add_definitions(-DHAVE_WORKING_O_NOFOLLOW=0)
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67 else()
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68 add_definitions(-DHAVE_WORKING_O_NOFOLLOW=1)
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69 endif()
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70
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71 else()
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72 CHECK_INCLUDE_FILE_CXX(iconv.h HAVE_ICONV_H)
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73 if (NOT HAVE_ICONV_H)
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74 message(FATAL_ERROR "Please install the libiconv-dev package")
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75 endif()
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76
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77 # Check whether the support for libiconv is bundled within the
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78 # standard C library
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79 CHECK_FUNCTION_EXISTS(iconv_open HAVE_ICONV_LIB)
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80 if (NOT HAVE_ICONV_LIB)
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81 # No builtin support for libiconv, try and find an external library.
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82 # Open question: Does this make sense on any platform?
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83 CHECK_LIBRARY_EXISTS(iconv iconv_open "" HAVE_ICONV_LIB_2)
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84 if (NOT HAVE_ICONV_LIB_2)
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85 message(FATAL_ERROR "Please install the libiconv-dev package")
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86 else()
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87 link_libraries(iconv)
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88 endif()
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89 endif()
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90 endif()