Mercurial > hg > orthanc
annotate OrthancFramework/Resources/CMake/Compiler.cmake @ 4747:24dbf3f013d9
explicit linking against -lstdc++ and -lm for Linux Standard Base
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 08 Jul 2021 12:56:18 +0200 |
parents | 49971e7b75fb |
children | 70d94dcac60c |
rev | line source |
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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 |
134 | 21 # This file sets all the compiler-related flags |
22 | |
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23 |
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24 # Save the current compiler flags to the cache every time cmake configures the project |
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25 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "compiler flags" FORCE) |
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26 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "compiler flags" FORCE) |
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27 |
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28 |
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29 include(CheckLibraryExists) |
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30 |
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31 if ((CMAKE_CROSSCOMPILING AND NOT |
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32 "${CMAKE_SYSTEM_VERSION}" STREQUAL "CrossToolNg") OR |
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33 "${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase") |
1414 | 34 # Cross-compilation necessarily implies standalone and static build |
35 SET(STATIC_BUILD ON) | |
36 SET(STANDALONE_BUILD ON) | |
37 endif() | |
38 | |
3625 | 39 |
40 if ("${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase") | |
41 # Cache the environment variables "LSB_CC" and "LSB_CXX" for further | |
42 # use by "ExternalProject" in CMake | |
43 SET(CMAKE_LSB_CC $ENV{LSB_CC} CACHE STRING "") | |
44 SET(CMAKE_LSB_CXX $ENV{LSB_CXX} CACHE STRING "") | |
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45 |
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46 # Explicitly adding "-lstdc++ -lm" during linking for LSB had to be |
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47 # introduced on the BuildBot server for LSB Release builds between |
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48 # "OrthancMySQL-4.0" and "OrthancMySQL-4.1" and after |
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49 # "Orthanc-1.9.5", for unclear reasons. Without this option, many |
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50 # symbols are left undefined while linking. Similar to: |
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51 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14001 |
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52 link_libraries(stdc++ m) |
3625 | 53 endif() |
54 | |
55 | |
1414 | 56 if (CMAKE_COMPILER_IS_GNUCXX) |
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57 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-long-long") |
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58 |
134 | 59 # --std=c99 makes libcurl not to compile |
60 # -pedantic gives a lot of warnings on OpenSSL | |
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61 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -Wno-variadic-macros") |
571 | 62 |
63 if (CMAKE_CROSSCOMPILING) | |
64 # http://stackoverflow.com/a/3543845/881731 | |
65 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff -I<CMAKE_CURRENT_SOURCE_DIR> <SOURCE> <OBJECT>") | |
66 endif() | |
67 | |
1414 | 68 elseif (MSVC) |
569 | 69 # Use static runtime under Visual Studio |
70 # http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace | |
134 | 71 # http://stackoverflow.com/a/6510446 |
72 foreach(flag_var | |
73 CMAKE_C_FLAGS_DEBUG | |
74 CMAKE_CXX_FLAGS_DEBUG | |
75 CMAKE_C_FLAGS_RELEASE | |
76 CMAKE_CXX_FLAGS_RELEASE | |
77 CMAKE_C_FLAGS_MINSIZEREL | |
78 CMAKE_CXX_FLAGS_MINSIZEREL | |
79 CMAKE_C_FLAGS_RELWITHDEBINFO | |
80 CMAKE_CXX_FLAGS_RELWITHDEBINFO) | |
81 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") | |
82 string(REGEX REPLACE "/MDd" "/MTd" ${flag_var} "${${flag_var}}") | |
83 endforeach(flag_var) | |
569 | 84 |
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85 # Add /Zm256 compiler option to Visual Studio to fix PCH errors |
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86 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm256") |
1060 | 87 |
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88 # New in Orthanc 1.5.5 |
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89 if (MSVC_MULTIPLE_PROCESSES) |
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90 # "If you omit the processMax argument in the /MP option, the |
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91 # compiler obtains the number of effective processors from the |
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92 # operating system, and then creates one process per effective |
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93 # processor" |
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94 # https://blog.kitware.com/cmake-building-with-all-your-cores/ |
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95 # https://docs.microsoft.com/en-us/cpp/build/reference/mp-build-with-multiple-processes |
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96 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP") |
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97 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP") |
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98 endif() |
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99 |
134 | 100 add_definitions( |
101 -D_CRT_SECURE_NO_WARNINGS=1 | |
102 -D_CRT_SECURE_NO_DEPRECATE=1 | |
103 ) | |
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104 |
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105 if (MSVC_VERSION LESS 1600) |
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106 # Starting with Visual Studio >= 2010 (i.e. macro _MSC_VER >= |
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107 # 1600), Microsoft ships a standard-compliant <stdint.h> |
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108 # header. For earlier versions of Visual Studio, give access to a |
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109 # compatibility header. |
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110 # http://stackoverflow.com/a/70630/881731 |
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111 # https://en.wikibooks.org/wiki/C_Programming/C_Reference/stdint.h#External_links |
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112 include_directories(${CMAKE_CURRENT_LIST_DIR}/../../Resources/ThirdParty/VisualStudio) |
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113 endif() |
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114 |
134 | 115 link_libraries(netapi32) |
116 endif() | |
117 | |
118 | |
2364 | 119 if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR |
120 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
121 # In FreeBSD/OpenBSD, the "/usr/local/" folder contains the ports and need to be imported | |
122 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I/usr/local/include") | |
123 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I/usr/local/include") | |
124 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib") | |
125 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -L/usr/local/lib") | |
126 endif() | |
127 | |
128 | |
890 | 129 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR |
1337 | 130 ${CMAKE_SYSTEM_NAME} STREQUAL "kFreeBSD" OR |
2364 | 131 ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR |
132 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
133 | |
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134 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" AND |
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135 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD") |
2364 | 136 # The "--no-undefined" linker flag makes the shared libraries |
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137 # (plugins ModalityWorklists and ServeFolders) fail to compile on |
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138 # OpenBSD, and make the PostgreSQL plugin complain about missing |
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139 # "environ" global variable in FreeBSD |
2364 | 140 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined") |
141 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined") | |
142 endif() | |
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143 |
134 | 144 # Remove the "-rdynamic" option |
145 # http://www.mail-archive.com/cmake@cmake.org/msg08837.html | |
146 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") | |
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147 link_libraries(pthread) |
2364 | 148 |
149 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
150 link_libraries(rt) | |
151 endif() | |
152 | |
153 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND | |
154 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
155 link_libraries(dl) | |
156 endif() | |
1337 | 157 |
2460 | 158 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND |
159 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
160 # The "--as-needed" linker flag is not available on FreeBSD and OpenBSD | |
1337 | 161 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed") |
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162 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--as-needed") |
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163 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed") |
2364 | 164 endif() |
165 | |
166 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND | |
167 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
168 # FreeBSD/OpenBSD have just one single interface for file | |
169 # handling, which is 64bit clean, so there is no need to define macro | |
170 # for LFS (Large File Support). | |
171 # https://ohse.de/uwe/articles/lfs.html | |
1337 | 172 add_definitions( |
173 -D_LARGEFILE64_SOURCE=1 | |
174 -D_FILE_OFFSET_BITS=64 | |
175 ) | |
176 endif() | |
134 | 177 |
178 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows") | |
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179 if (MSVC) |
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180 message("MSVC compiler version = " ${MSVC_VERSION} "\n") |
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181 # Starting Visual Studio 2013 (version 1800), it is not possible |
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182 # to target Windows XP anymore |
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183 if (MSVC_VERSION LESS 1800) |
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184 add_definitions( |
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185 -DWINVER=0x0501 |
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186 -D_WIN32_WINNT=0x0501 |
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187 ) |
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188 endif() |
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189 else() |
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190 add_definitions( |
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191 -DWINVER=0x0501 |
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192 -D_WIN32_WINNT=0x0501 |
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193 ) |
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194 endif() |
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195 |
134 | 196 add_definitions( |
197 -D_CRT_SECURE_NO_WARNINGS=1 | |
198 ) | |
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199 link_libraries(rpcrt4 ws2_32 iphlpapi) # "iphlpapi" is for "SystemToolbox::GetMacAddresses()" |
495 | 200 |
1414 | 201 if (CMAKE_COMPILER_IS_GNUCXX) |
1951
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202 # Some additional C/C++ compiler flags for MinGW |
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203 SET(MINGW_NO_WARNINGS "-Wno-unused-function -Wno-unused-variable") |
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204 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MINGW_NO_WARNINGS} -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast") |
1951
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205 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MINGW_NO_WARNINGS}") |
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206 |
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207 if (DYNAMIC_MINGW_STDLIB) |
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208 else() |
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209 # This is a patch for MinGW64 |
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210 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++") |
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211 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++") |
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212 endif() |
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213 |
1381 | 214 CHECK_LIBRARY_EXISTS(winpthread pthread_create "" HAVE_WIN_PTHREAD) |
215 if (HAVE_WIN_PTHREAD) | |
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216 if (DYNAMIC_MINGW_STDLIB) |
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217 else() |
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218 # This line is necessary to compile with recent versions of MinGW, |
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219 # otherwise "libwinpthread-1.dll" is not statically linked. |
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220 SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -Wl,-Bstatic -lstdc++ -lpthread -Wl,-Bdynamic") |
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221 endif() |
1381 | 222 add_definitions(-DHAVE_WIN_PTHREAD=1) |
223 else() | |
224 add_definitions(-DHAVE_WIN_PTHREAD=0) | |
225 endif() | |
495 | 226 endif() |
227 | |
918 | 228 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin") |
229 add_definitions( | |
230 -D_XOPEN_SOURCE=1 | |
231 ) | |
921
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232 link_libraries(iconv) |
918 | 233 |
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234 elseif (CMAKE_SYSTEM_NAME STREQUAL "Emscripten") |
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235 message("Building using Emscripten (for WebAssembly or asm.js targets)") |
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236 include(${CMAKE_CURRENT_LIST_DIR}/EmscriptenParameters.cmake) |
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237 |
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238 elseif (CMAKE_SYSTEM_NAME STREQUAL "Android") |
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239 |
2364 | 240 else() |
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241 message("Unknown target platform: ${CMAKE_SYSTEM_NAME}") |
2364 | 242 message(FATAL_ERROR "Support your platform here") |
134 | 243 endif() |
244 | |
245 | |
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246 if (DEFINED ENABLE_PROFILING AND ENABLE_PROFILING) |
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247 if (CMAKE_COMPILER_IS_GNUCXX) |
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248 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg") |
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249 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pg") |
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250 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg") |
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251 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -pg") |
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252 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pg") |
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253 else() |
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254 message(FATAL_ERROR "Don't know how to enable profiling on your configuration") |
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255 endif() |
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256 endif() |
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257 |
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258 |
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259 if (CMAKE_COMPILER_IS_GNUCXX) |
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260 # "When creating a static library using binutils (ar) and there |
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261 # exist a duplicate object name (e.g. a/Foo.cpp.o, b/Foo.cpp.o), the |
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262 # resulting static library can end up having only one of the |
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263 # duplicate objects. [...] This bug only happens if there are many |
2457 | 264 # objects." The trick consists in replacing the "r" argument |
265 # ("replace") provided to "ar" (as used in CMake < 3.1) by the "q" | |
266 # argument ("quick append"). This is because of the fact that CMake | |
267 # will invoke "ar" several times with several batches of ".o" | |
268 # objects, and using "r" would overwrite symbols defined in | |
269 # preceding batches. https://cmake.org/Bug/view.php?id=14874 | |
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270 set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> <LINK_FLAGS> q <TARGET> <OBJECTS>") |
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271 endif() |