annotate Resources/CMake/DownloadPackage.cmake @ 603:49945044b06d

check the presence of external software in CMake
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 15 Oct 2013 16:23:42 +0200
parents 27d32fc6209a
children d775a3cb5a06
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1 macro(GetUrlFilename TargetVariable Url)
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2 string(REGEX REPLACE "^.*/" "" ${TargetVariable} "${Url}")
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3 endmacro()
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4
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5
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6 macro(GetUrlExtension TargetVariable Url)
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7 #string(REGEX REPLACE "^.*/[^.]*\\." "" TMP "${Url}")
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8 string(REGEX REPLACE "^.*\\." "" TMP "${Url}")
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9 string(TOLOWER "${TMP}" "${TargetVariable}")
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10 endmacro()
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13 ##
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14 ## Check the existence of the required decompression tools
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15 ##
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17 if ("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows")
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18 find_program(ZIP_EXECUTABLE 7z PATHS "$ENV{ProgramFiles}/7-Zip")
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19 if (${ZIP_EXECUTABLE} MATCHES "ZIP_EXECUTABLE-NOTFOUND")
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20 message(FATAL_ERROR "Please install the '7-zip' software (http://www.7-zip.org/)")
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21 endif()
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23 else()
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24 find_program(UNZIP_EXECUTABLE unzip)
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25 if (${UNZIP_EXECUTABLE} MATCHES "UNZIP_EXECUTABLE-NOTFOUND")
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26 message(FATAL_ERROR "Please install the 'unzip' package")
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27 endif()
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29 find_program(TAR_EXECUTABLE tar)
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30 if (${TAR_EXECUTABLE} MATCHES "TAR_EXECUTABLE-NOTFOUND")
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31 message(FATAL_ERROR "Please install the 'tar' package")
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32 endif()
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33 endif()
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36 macro(DownloadPackage MD5 Url TargetDirectory)
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37 if (NOT IS_DIRECTORY "${TargetDirectory}")
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38 GetUrlFilename(TMP_FILENAME "${Url}")
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40 set(TMP_PATH "${CMAKE_SOURCE_DIR}/ThirdPartyDownloads/${TMP_FILENAME}")
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41 if (NOT EXISTS "${TMP_PATH}")
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42 message("Downloading ${Url}")
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43 file(DOWNLOAD "${Url}" "${TMP_PATH}" SHOW_PROGRESS EXPECTED_MD5 "${MD5}")
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44 else()
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45 message("Using local copy of ${Url}")
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46 endif()
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47
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48 GetUrlExtension(TMP_EXTENSION "${Url}")
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49 #message(${TMP_EXTENSION})
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50 message("Uncompressing ${TMP_FILENAME}")
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51
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52 if ("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows")
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53 # How to silently extract files using 7-zip
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54 # http://superuser.com/questions/331148/7zip-command-line-extract-silently-quietly
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55
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56 if (("${TMP_EXTENSION}" STREQUAL "gz") OR ("${TMP_EXTENSION}" STREQUAL "tgz"))
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57 execute_process(
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58 COMMAND ${ZIP_EXECUTABLE} e -y ${TMP_PATH}
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59 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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60 RESULT_VARIABLE Failure
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61 OUTPUT_QUIET
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62 )
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64 if (Failure)
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65 message(FATAL_ERROR "Error while running the uncompression tool")
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66 endif()
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67
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68 if ("${TMP_EXTENSION}" STREQUAL "tgz")
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69 string(REGEX REPLACE ".tgz$" ".tar" TMP_FILENAME2 "${TMP_FILENAME}")
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70 else()
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71 string(REGEX REPLACE ".gz$" "" TMP_FILENAME2 "${TMP_FILENAME}")
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72 endif()
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73
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74 execute_process(
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75 COMMAND ${ZIP_EXECUTABLE} x -y ${TMP_FILENAME2}
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76 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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77 RESULT_VARIABLE Failure
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78 OUTPUT_QUIET
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79 )
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80 elseif ("${TMP_EXTENSION}" STREQUAL "zip")
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81 execute_process(
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82 COMMAND ${ZIP_EXECUTABLE} x -y ${TMP_PATH}
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83 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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84 RESULT_VARIABLE Failure
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85 OUTPUT_QUIET
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86 )
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87 else()
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88 message(FATAL_ERROR "Support your platform here")
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89 endif()
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90
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91 else()
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92 if ("${TMP_EXTENSION}" STREQUAL "zip")
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93 execute_process(
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94 COMMAND sh -c "${UNZIP_EXECUTABLE} -q ${TMP_PATH}"
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95 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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96 RESULT_VARIABLE Failure
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97 )
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98 elseif (("${TMP_EXTENSION}" STREQUAL "gz") OR ("${TMP_EXTENSION}" STREQUAL "tgz"))
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99 #message("tar xvfz ${TMP_PATH}")
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100 execute_process(
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101 COMMAND sh -c "${TAR_EXECUTABLE} xfz ${TMP_PATH}"
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102 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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103 RESULT_VARIABLE Failure
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104 )
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105 elseif ("${TMP_EXTENSION}" STREQUAL "bz2")
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106 execute_process(
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107 COMMAND sh -c "${TAR_EXECUTABLE} xfj ${TMP_PATH}"
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108 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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109 RESULT_VARIABLE Failure
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110 )
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111 else()
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112 message(FATAL_ERROR "Unknown package format.")
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113 endif()
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114 endif()
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115
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116 if (Failure)
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117 message(FATAL_ERROR "Error while running the uncompression tool")
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118 endif()
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119
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120 if (NOT IS_DIRECTORY "${TargetDirectory}")
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121 message(FATAL_ERROR "The package was not uncompressed at the proper location. Check the CMake instructions.")
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122 endif()
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123 endif()
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124 endmacro()