Mercurial > hg > orthanc-webviewer
annotate Resources/Orthanc/CMake/Compiler.cmake @ 266:4e9d30c19b4b
linking against orthanc framework library
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 10 Jun 2020 12:32:46 +0200 |
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children | 938257eebc03 |
rev | line source |
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1 # This file sets all the compiler-related flags |
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2 |
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3 if ((CMAKE_CROSSCOMPILING AND NOT |
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4 "${CMAKE_SYSTEM_VERSION}" STREQUAL "CrossToolNg") OR |
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5 "${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase") |
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6 # Cross-compilation necessarily implies standalone and static build |
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7 SET(STATIC_BUILD ON) |
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8 SET(STANDALONE_BUILD ON) |
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9 endif() |
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10 |
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11 |
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12 if ("${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase") |
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13 # Cache the environment variables "LSB_CC" and "LSB_CXX" for further |
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14 # use by "ExternalProject" in CMake |
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15 SET(CMAKE_LSB_CC $ENV{LSB_CC} CACHE STRING "") |
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16 SET(CMAKE_LSB_CXX $ENV{LSB_CXX} CACHE STRING "") |
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17 endif() |
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18 |
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19 |
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20 if (CMAKE_COMPILER_IS_GNUCXX) |
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21 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-long-long") |
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22 |
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23 # --std=c99 makes libcurl not to compile |
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24 # -pedantic gives a lot of warnings on OpenSSL |
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25 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -Wno-variadic-macros") |
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26 |
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27 if (CMAKE_CROSSCOMPILING) |
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28 # http://stackoverflow.com/a/3543845/881731 |
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29 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff -I<CMAKE_CURRENT_SOURCE_DIR> <SOURCE> <OBJECT>") |
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30 endif() |
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31 |
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32 elseif (MSVC) |
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33 # Use static runtime under Visual Studio |
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34 # http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace |
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35 # http://stackoverflow.com/a/6510446 |
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36 foreach(flag_var |
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37 CMAKE_C_FLAGS_DEBUG |
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38 CMAKE_CXX_FLAGS_DEBUG |
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39 CMAKE_C_FLAGS_RELEASE |
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40 CMAKE_CXX_FLAGS_RELEASE |
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41 CMAKE_C_FLAGS_MINSIZEREL |
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42 CMAKE_CXX_FLAGS_MINSIZEREL |
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43 CMAKE_C_FLAGS_RELWITHDEBINFO |
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44 CMAKE_CXX_FLAGS_RELWITHDEBINFO) |
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45 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") |
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46 string(REGEX REPLACE "/MDd" "/MTd" ${flag_var} "${${flag_var}}") |
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47 endforeach(flag_var) |
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48 |
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49 # Add /Zm256 compiler option to Visual Studio to fix PCH errors |
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50 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm256") |
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51 |
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52 # New in Orthanc 1.5.5 |
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53 if (MSVC_MULTIPLE_PROCESSES) |
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54 # "If you omit the processMax argument in the /MP option, the |
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55 # compiler obtains the number of effective processors from the |
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56 # operating system, and then creates one process per effective |
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57 # processor" |
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58 # https://blog.kitware.com/cmake-building-with-all-your-cores/ |
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59 # https://docs.microsoft.com/en-us/cpp/build/reference/mp-build-with-multiple-processes |
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60 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP") |
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61 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP") |
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62 endif() |
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63 |
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64 add_definitions( |
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65 -D_CRT_SECURE_NO_WARNINGS=1 |
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66 -D_CRT_SECURE_NO_DEPRECATE=1 |
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67 ) |
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68 |
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69 if (MSVC_VERSION LESS 1600) |
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70 # Starting with Visual Studio >= 2010 (i.e. macro _MSC_VER >= |
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71 # 1600), Microsoft ships a standard-compliant <stdint.h> |
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72 # header. For earlier versions of Visual Studio, give access to a |
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73 # compatibility header. |
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74 # http://stackoverflow.com/a/70630/881731 |
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75 # https://en.wikibooks.org/wiki/C_Programming/C_Reference/stdint.h#External_links |
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76 include_directories(${ORTHANC_ROOT}/Resources/ThirdParty/VisualStudio) |
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77 endif() |
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78 |
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79 link_libraries(netapi32) |
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80 endif() |
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81 |
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82 |
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83 if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR |
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84 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") |
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85 # In FreeBSD/OpenBSD, the "/usr/local/" folder contains the ports and need to be imported |
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86 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I/usr/local/include") |
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87 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I/usr/local/include") |
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88 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib") |
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89 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -L/usr/local/lib") |
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90 endif() |
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91 |
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92 |
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93 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR |
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94 ${CMAKE_SYSTEM_NAME} STREQUAL "kFreeBSD" OR |
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95 ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR |
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96 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") |
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97 |
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98 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" AND |
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99 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD") |
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100 # The "--no-undefined" linker flag makes the shared libraries |
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101 # (plugins ModalityWorklists and ServeFolders) fail to compile on |
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102 # OpenBSD, and make the PostgreSQL plugin complain about missing |
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103 # "environ" global variable in FreeBSD |
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104 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined") |
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105 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined") |
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106 endif() |
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107 |
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108 if (NOT DEFINED ENABLE_PLUGINS_VERSION_SCRIPT OR |
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109 ENABLE_PLUGINS_VERSION_SCRIPT) |
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110 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--version-script=${ORTHANC_ROOT}/Plugins/Samples/Common/VersionScript.map") |
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111 endif() |
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112 |
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113 # Remove the "-rdynamic" option |
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114 # http://www.mail-archive.com/cmake@cmake.org/msg08837.html |
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115 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") |
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116 link_libraries(pthread) |
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117 |
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118 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") |
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119 link_libraries(rt) |
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120 endif() |
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121 |
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122 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND |
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123 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") |
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124 link_libraries(dl) |
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125 endif() |
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126 |
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127 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND |
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128 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") |
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129 # The "--as-needed" linker flag is not available on FreeBSD and OpenBSD |
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130 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed") |
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131 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--as-needed") |
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132 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed") |
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133 endif() |
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134 |
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135 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND |
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136 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") |
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137 # FreeBSD/OpenBSD have just one single interface for file |
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138 # handling, which is 64bit clean, so there is no need to define macro |
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139 # for LFS (Large File Support). |
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140 # https://ohse.de/uwe/articles/lfs.html |
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141 add_definitions( |
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142 -D_LARGEFILE64_SOURCE=1 |
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143 -D_FILE_OFFSET_BITS=64 |
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144 ) |
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145 endif() |
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146 |
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147 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows") |
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148 if (MSVC) |
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149 message("MSVC compiler version = " ${MSVC_VERSION} "\n") |
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150 # Starting Visual Studio 2013 (version 1800), it is not possible |
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151 # to target Windows XP anymore |
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152 if (MSVC_VERSION LESS 1800) |
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153 add_definitions( |
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154 -DWINVER=0x0501 |
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155 -D_WIN32_WINNT=0x0501 |
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156 ) |
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157 endif() |
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158 else() |
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159 add_definitions( |
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160 -DWINVER=0x0501 |
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161 -D_WIN32_WINNT=0x0501 |
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162 ) |
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163 endif() |
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164 |
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165 add_definitions( |
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166 -D_CRT_SECURE_NO_WARNINGS=1 |
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167 ) |
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168 link_libraries(rpcrt4 ws2_32) |
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169 |
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170 if (CMAKE_COMPILER_IS_GNUCXX) |
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171 # Some additional C/C++ compiler flags for MinGW |
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172 SET(MINGW_NO_WARNINGS "-Wno-unused-function -Wno-unused-variable") |
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173 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MINGW_NO_WARNINGS} -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast") |
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174 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MINGW_NO_WARNINGS}") |
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175 |
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176 if (DYNAMIC_MINGW_STDLIB) |
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177 else() |
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178 # This is a patch for MinGW64 |
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179 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++") |
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180 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++") |
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181 endif() |
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182 |
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183 CHECK_LIBRARY_EXISTS(winpthread pthread_create "" HAVE_WIN_PTHREAD) |
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184 if (HAVE_WIN_PTHREAD) |
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185 if (DYNAMIC_MINGW_STDLIB) |
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186 else() |
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187 # This line is necessary to compile with recent versions of MinGW, |
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188 # otherwise "libwinpthread-1.dll" is not statically linked. |
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189 SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -Wl,-Bstatic -lstdc++ -lpthread -Wl,-Bdynamic") |
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190 endif() |
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191 add_definitions(-DHAVE_WIN_PTHREAD=1) |
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192 else() |
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193 add_definitions(-DHAVE_WIN_PTHREAD=0) |
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194 endif() |
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195 endif() |
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196 |
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197 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin") |
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198 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -exported_symbols_list ${ORTHANC_ROOT}/Plugins/Samples/Common/ExportedSymbols.list") |
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199 |
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200 add_definitions( |
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201 -D_XOPEN_SOURCE=1 |
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202 ) |
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203 link_libraries(iconv) |
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204 |
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205 elseif (CMAKE_SYSTEM_NAME STREQUAL "Emscripten") |
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206 message("Building using Emscripten (for WebAssembly or asm.js targets)") |
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207 |
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208 # The BINARYEN_TRAP_MODE specifies what to do when divisions per |
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209 # zero (and similar conditions like integer overflows) are |
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210 # encountered: The "clamp" mode avoids throwing errors, as they |
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211 # cannot be properly catched by "try {} catch (...)" constructions. |
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212 # Setting this option to "ON" fixes error: "shared:ERROR: |
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213 # BINARYEN_TRAP_MODE is not supported by the LLVM wasm backend" if |
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214 # using the "upstream" backend of Emscripten. |
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215 if (NOT EMSCRIPTEN_SET_LLVM_WASM_BACKEND) |
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216 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s BINARYEN_TRAP_MODE='\"clamp\"'") |
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217 endif() |
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218 |
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219 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s EXTRA_EXPORTED_RUNTIME_METHODS='[\"ccall\", \"cwrap\"]'") |
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220 |
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221 elseif (CMAKE_SYSTEM_NAME STREQUAL "Android") |
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222 |
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223 else() |
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224 message("Unknown target platform: ${CMAKE_SYSTEM_NAME}") |
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225 message(FATAL_ERROR "Support your platform here") |
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226 endif() |
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227 |
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228 |
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229 if (DEFINED ENABLE_PROFILING AND ENABLE_PROFILING) |
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230 if (CMAKE_COMPILER_IS_GNUCXX) |
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231 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg") |
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232 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pg") |
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233 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg") |
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234 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -pg") |
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235 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pg") |
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236 else() |
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237 message(FATAL_ERROR "Don't know how to enable profiling on your configuration") |
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238 endif() |
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239 endif() |
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240 |
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241 |
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242 if (CMAKE_COMPILER_IS_GNUCXX) |
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243 # "When creating a static library using binutils (ar) and there |
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244 # exist a duplicate object name (e.g. a/Foo.cpp.o, b/Foo.cpp.o), the |
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245 # resulting static library can end up having only one of the |
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246 # duplicate objects. [...] This bug only happens if there are many |
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247 # objects." The trick consists in replacing the "r" argument |
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248 # ("replace") provided to "ar" (as used in CMake < 3.1) by the "q" |
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249 # argument ("quick append"). This is because of the fact that CMake |
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250 # will invoke "ar" several times with several batches of ".o" |
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251 # objects, and using "r" would overwrite symbols defined in |
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252 # preceding batches. https://cmake.org/Bug/view.php?id=14874 |
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253 set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> <LINK_FLAGS> q <TARGET> <OBJECTS>") |
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254 endif() |
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255 |
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256 |
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257 if (STATIC_BUILD) |
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258 add_definitions(-DORTHANC_STATIC=1) |
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259 else() |
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260 add_definitions(-DORTHANC_STATIC=0) |
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261 endif() |