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annotate Resources/Orthanc/CMake/Compiler.cmake @ 132:4cf3c2bc119f

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 30 Aug 2023 11:55:33 +0200
parents 5a60cbbe9bb0
children c78ec45f3695
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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) 2017-2023 Osimis S.A., Belgium
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5 # Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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6 #
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7 # This program is free software: you can redistribute it and/or
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8 # modify it under the terms of the GNU Lesser General Public License
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9 # as published by the Free Software Foundation, either version 3 of
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10 # the License, or (at your option) any later version.
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11 #
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12 # This program is distributed in the hope that it will be useful, but
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13 # WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 # Lesser General Public License for more details.
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16 #
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17 # You should have received a copy of the GNU Lesser General Public
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18 # License along with this program. If not, see
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19 # <http://www.gnu.org/licenses/>.
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20
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21
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22 # This file sets all the compiler-related flags
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25 # Save the current compiler flags to the cache every time cmake configures the project
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26 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "compiler flags" FORCE)
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27 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "compiler flags" FORCE)
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30 include(CheckLibraryExists)
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31
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32 if ((CMAKE_CROSSCOMPILING AND NOT
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33 "${CMAKE_SYSTEM_VERSION}" STREQUAL "CrossToolNg") OR
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34 "${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase")
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35 # Cross-compilation necessarily implies standalone and static build
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36 SET(STATIC_BUILD ON)
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37 SET(STANDALONE_BUILD ON)
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38 endif()
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41 if ("${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase")
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42 # Cache the environment variables "LSB_CC" and "LSB_CXX" for further
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43 # use by "ExternalProject" in CMake
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44 SET(CMAKE_LSB_CC $ENV{LSB_CC} CACHE STRING "")
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45 SET(CMAKE_LSB_CXX $ENV{LSB_CXX} CACHE STRING "")
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46 endif()
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48
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49 if (CMAKE_COMPILER_IS_GNUCXX)
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50 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-long-long")
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51
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52 # --std=c99 makes libcurl not to compile
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53 # -pedantic gives a lot of warnings on OpenSSL
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54 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -Wno-variadic-macros")
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55
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56 if (CMAKE_CROSSCOMPILING)
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57 # http://stackoverflow.com/a/3543845/881731
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58 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff -I<CMAKE_CURRENT_SOURCE_DIR> <SOURCE> <OBJECT>")
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59 endif()
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60
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61 elseif (MSVC)
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62 # Use static runtime under Visual Studio
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63 # http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace
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64 # http://stackoverflow.com/a/6510446
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65 foreach(flag_var
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66 CMAKE_C_FLAGS_DEBUG
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67 CMAKE_CXX_FLAGS_DEBUG
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68 CMAKE_C_FLAGS_RELEASE
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69 CMAKE_CXX_FLAGS_RELEASE
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70 CMAKE_C_FLAGS_MINSIZEREL
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71 CMAKE_CXX_FLAGS_MINSIZEREL
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72 CMAKE_C_FLAGS_RELWITHDEBINFO
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73 CMAKE_CXX_FLAGS_RELWITHDEBINFO)
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74 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
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75 string(REGEX REPLACE "/MDd" "/MTd" ${flag_var} "${${flag_var}}")
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76 endforeach(flag_var)
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77
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78 # Add /Zm256 compiler option to Visual Studio to fix PCH errors
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79 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm256")
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80
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81 # New in Orthanc 1.5.5
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82 if (MSVC_MULTIPLE_PROCESSES)
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83 # "If you omit the processMax argument in the /MP option, the
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84 # compiler obtains the number of effective processors from the
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85 # operating system, and then creates one process per effective
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86 # processor"
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87 # https://blog.kitware.com/cmake-building-with-all-your-cores/
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88 # https://docs.microsoft.com/en-us/cpp/build/reference/mp-build-with-multiple-processes
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89 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP")
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90 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
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91 endif()
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92
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93 add_definitions(
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94 -D_CRT_SECURE_NO_WARNINGS=1
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95 -D_CRT_SECURE_NO_DEPRECATE=1
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96 )
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97
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98 if (MSVC_VERSION LESS 1600)
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99 # Starting with Visual Studio >= 2010 (i.e. macro _MSC_VER >=
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100 # 1600), Microsoft ships a standard-compliant <stdint.h>
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101 # header. For earlier versions of Visual Studio, give access to a
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102 # compatibility header.
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103 # http://stackoverflow.com/a/70630/881731
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104 # https://en.wikibooks.org/wiki/C_Programming/C_Reference/stdint.h#External_links
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105 include_directories(${CMAKE_CURRENT_LIST_DIR}/../../Resources/ThirdParty/VisualStudio)
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106 endif()
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107
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108 link_libraries(netapi32)
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109 endif()
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110
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111
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112 if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR
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113 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
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114 # In FreeBSD/OpenBSD, the "/usr/local/" folder contains the ports and need to be imported
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115 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I/usr/local/include")
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116 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I/usr/local/include")
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117 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib")
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118 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -L/usr/local/lib")
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119 endif()
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120
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121
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122 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR
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123 ${CMAKE_SYSTEM_NAME} STREQUAL "kFreeBSD" OR
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124 ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR
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125 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
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126
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127 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" AND
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128 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
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129 # The "--no-undefined" linker flag makes the shared libraries
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130 # (plugins ModalityWorklists and ServeFolders) fail to compile on
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131 # OpenBSD, and make the PostgreSQL plugin complain about missing
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132 # "environ" global variable in FreeBSD
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133 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined")
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134 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
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135 endif()
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136
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137 # Remove the "-rdynamic" option
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diff changeset
138 # http://www.mail-archive.com/cmake@cmake.org/msg08837.html
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139 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
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140 link_libraries(pthread)
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141
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142 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
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143 link_libraries(rt)
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144 endif()
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145
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146 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND
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147 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
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148 link_libraries(dl)
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149 endif()
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150
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151 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND
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152 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
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153 # The "--as-needed" linker flag is not available on FreeBSD and OpenBSD
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154 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed")
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155 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--as-needed")
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156 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed")
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157 endif()
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158
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159 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND
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160 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
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161 # FreeBSD/OpenBSD have just one single interface for file
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162 # handling, which is 64bit clean, so there is no need to define macro
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163 # for LFS (Large File Support).
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164 # https://ohse.de/uwe/articles/lfs.html
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165 add_definitions(
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166 -D_LARGEFILE64_SOURCE=1
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167 -D_FILE_OFFSET_BITS=64
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168 )
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169 endif()
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170
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171 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
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172 if (MSVC)
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173 message("MSVC compiler version = " ${MSVC_VERSION} "\n")
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174 # Starting Visual Studio 2013 (version 1800), it is not possible
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175 # to target Windows XP anymore
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176 if (MSVC_VERSION LESS 1800)
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177 add_definitions(
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178 -DWINVER=0x0501
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179 -D_WIN32_WINNT=0x0501
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180 )
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181 endif()
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182 else()
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183 add_definitions(
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184 -DWINVER=0x0501
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185 -D_WIN32_WINNT=0x0501
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186 )
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187 endif()
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188
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189 add_definitions(
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190 -D_CRT_SECURE_NO_WARNINGS=1
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191 )
69
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192 link_libraries(rpcrt4 ws2_32 iphlpapi) # "iphlpapi" is for "SystemToolbox::GetMacAddresses()"
36
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193
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194 if (CMAKE_COMPILER_IS_GNUCXX)
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195 # Some additional C/C++ compiler flags for MinGW
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196 SET(MINGW_NO_WARNINGS "-Wno-unused-function -Wno-unused-variable")
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197 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MINGW_NO_WARNINGS} -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast")
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198 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MINGW_NO_WARNINGS}")
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199
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200 if (DYNAMIC_MINGW_STDLIB)
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201 else()
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202 # This is a patch for MinGW64
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203 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++")
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204 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++")
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205 endif()
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206
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207 CHECK_LIBRARY_EXISTS(winpthread pthread_create "" HAVE_WIN_PTHREAD)
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208 if (HAVE_WIN_PTHREAD)
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209 if (DYNAMIC_MINGW_STDLIB)
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210 else()
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211 # This line is necessary to compile with recent versions of MinGW,
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212 # otherwise "libwinpthread-1.dll" is not statically linked.
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213 SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -Wl,-Bstatic -lstdc++ -lpthread -Wl,-Bdynamic")
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214 endif()
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215 add_definitions(-DHAVE_WIN_PTHREAD=1)
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216 else()
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217 add_definitions(-DHAVE_WIN_PTHREAD=0)
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218 endif()
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219 endif()
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220
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221 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
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222 add_definitions(
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223 -D_XOPEN_SOURCE=1
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224 )
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225 link_libraries(iconv)
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226
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227 elseif (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
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228 message("Building using Emscripten (for WebAssembly or asm.js targets)")
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229 include(${CMAKE_CURRENT_LIST_DIR}/EmscriptenParameters.cmake)
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230
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231 elseif (CMAKE_SYSTEM_NAME STREQUAL "Android")
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232
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233 else()
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234 message("Unknown target platform: ${CMAKE_SYSTEM_NAME}")
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235 message(FATAL_ERROR "Support your platform here")
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236 endif()
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237
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238
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239 if (DEFINED ENABLE_PROFILING AND ENABLE_PROFILING)
113
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240 if (CMAKE_COMPILER_IS_GNUCXX OR
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241 CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
36
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242 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg")
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243 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pg")
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244 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")
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245 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -pg")
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246 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pg")
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247 else()
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248 message(FATAL_ERROR "Don't know how to enable profiling on your configuration")
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249 endif()
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250 endif()
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251
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252
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253 if (CMAKE_COMPILER_IS_GNUCXX)
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254 # "When creating a static library using binutils (ar) and there
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255 # exist a duplicate object name (e.g. a/Foo.cpp.o, b/Foo.cpp.o), the
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256 # resulting static library can end up having only one of the
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257 # duplicate objects. [...] This bug only happens if there are many
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258 # objects." The trick consists in replacing the "r" argument
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259 # ("replace") provided to "ar" (as used in CMake < 3.1) by the "q"
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260 # argument ("quick append"). This is because of the fact that CMake
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261 # will invoke "ar" several times with several batches of ".o"
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262 # objects, and using "r" would overwrite symbols defined in
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263 # preceding batches. https://cmake.org/Bug/view.php?id=14874
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264 set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> <LINK_FLAGS> q <TARGET> <OBJECTS>")
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265 endif()
132
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266
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267
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268 # This function defines macro "__ORTHANC_FILE__" as a replacement to
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269 # macro "__FILE__", as the latter leaks the full path of the source
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270 # files in the binaries
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271 # https://stackoverflow.com/questions/8487986/file-macro-shows-full-path
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272 # https://twitter.com/wget42/status/1676877802375634944?s=20
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273 function(DefineSourceBasenameForTarget targetname)
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274 # Microsoft Visual Studio is extremely slow if using
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275 # "set_property()", we only enable this feature for gcc and clang
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276 if (CMAKE_COMPILER_IS_GNUCXX OR
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277 CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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278 get_target_property(source_files "${targetname}" SOURCES)
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279 foreach(sourcefile ${source_files})
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280 get_filename_component(basename "${sourcefile}" NAME)
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281 set_property(
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282 SOURCE "${sourcefile}" APPEND
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283 PROPERTY COMPILE_DEFINITIONS "__ORTHANC_FILE__=\"${basename}\"")
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284 endforeach()
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285 endif()
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286 endfunction()