Mercurial > hg > orthanc-webviewer
comparison 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 |
parents | |
children | 938257eebc03 |
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265:af7108b06b4d | 266:4e9d30c19b4b |
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1 # This file sets all the compiler-related flags | |
2 | |
3 if ((CMAKE_CROSSCOMPILING AND NOT | |
4 "${CMAKE_SYSTEM_VERSION}" STREQUAL "CrossToolNg") OR | |
5 "${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase") | |
6 # Cross-compilation necessarily implies standalone and static build | |
7 SET(STATIC_BUILD ON) | |
8 SET(STANDALONE_BUILD ON) | |
9 endif() | |
10 | |
11 | |
12 if ("${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase") | |
13 # Cache the environment variables "LSB_CC" and "LSB_CXX" for further | |
14 # use by "ExternalProject" in CMake | |
15 SET(CMAKE_LSB_CC $ENV{LSB_CC} CACHE STRING "") | |
16 SET(CMAKE_LSB_CXX $ENV{LSB_CXX} CACHE STRING "") | |
17 endif() | |
18 | |
19 | |
20 if (CMAKE_COMPILER_IS_GNUCXX) | |
21 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-long-long") | |
22 | |
23 # --std=c99 makes libcurl not to compile | |
24 # -pedantic gives a lot of warnings on OpenSSL | |
25 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -Wno-variadic-macros") | |
26 | |
27 if (CMAKE_CROSSCOMPILING) | |
28 # http://stackoverflow.com/a/3543845/881731 | |
29 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff -I<CMAKE_CURRENT_SOURCE_DIR> <SOURCE> <OBJECT>") | |
30 endif() | |
31 | |
32 elseif (MSVC) | |
33 # Use static runtime under Visual Studio | |
34 # http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace | |
35 # http://stackoverflow.com/a/6510446 | |
36 foreach(flag_var | |
37 CMAKE_C_FLAGS_DEBUG | |
38 CMAKE_CXX_FLAGS_DEBUG | |
39 CMAKE_C_FLAGS_RELEASE | |
40 CMAKE_CXX_FLAGS_RELEASE | |
41 CMAKE_C_FLAGS_MINSIZEREL | |
42 CMAKE_CXX_FLAGS_MINSIZEREL | |
43 CMAKE_C_FLAGS_RELWITHDEBINFO | |
44 CMAKE_CXX_FLAGS_RELWITHDEBINFO) | |
45 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") | |
46 string(REGEX REPLACE "/MDd" "/MTd" ${flag_var} "${${flag_var}}") | |
47 endforeach(flag_var) | |
48 | |
49 # Add /Zm256 compiler option to Visual Studio to fix PCH errors | |
50 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm256") | |
51 | |
52 # New in Orthanc 1.5.5 | |
53 if (MSVC_MULTIPLE_PROCESSES) | |
54 # "If you omit the processMax argument in the /MP option, the | |
55 # compiler obtains the number of effective processors from the | |
56 # operating system, and then creates one process per effective | |
57 # processor" | |
58 # https://blog.kitware.com/cmake-building-with-all-your-cores/ | |
59 # https://docs.microsoft.com/en-us/cpp/build/reference/mp-build-with-multiple-processes | |
60 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP") | |
61 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP") | |
62 endif() | |
63 | |
64 add_definitions( | |
65 -D_CRT_SECURE_NO_WARNINGS=1 | |
66 -D_CRT_SECURE_NO_DEPRECATE=1 | |
67 ) | |
68 | |
69 if (MSVC_VERSION LESS 1600) | |
70 # Starting with Visual Studio >= 2010 (i.e. macro _MSC_VER >= | |
71 # 1600), Microsoft ships a standard-compliant <stdint.h> | |
72 # header. For earlier versions of Visual Studio, give access to a | |
73 # compatibility header. | |
74 # http://stackoverflow.com/a/70630/881731 | |
75 # https://en.wikibooks.org/wiki/C_Programming/C_Reference/stdint.h#External_links | |
76 include_directories(${ORTHANC_ROOT}/Resources/ThirdParty/VisualStudio) | |
77 endif() | |
78 | |
79 link_libraries(netapi32) | |
80 endif() | |
81 | |
82 | |
83 if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR | |
84 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
85 # In FreeBSD/OpenBSD, the "/usr/local/" folder contains the ports and need to be imported | |
86 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I/usr/local/include") | |
87 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I/usr/local/include") | |
88 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib") | |
89 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -L/usr/local/lib") | |
90 endif() | |
91 | |
92 | |
93 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR | |
94 ${CMAKE_SYSTEM_NAME} STREQUAL "kFreeBSD" OR | |
95 ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR | |
96 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
97 | |
98 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" AND | |
99 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD") | |
100 # The "--no-undefined" linker flag makes the shared libraries | |
101 # (plugins ModalityWorklists and ServeFolders) fail to compile on | |
102 # OpenBSD, and make the PostgreSQL plugin complain about missing | |
103 # "environ" global variable in FreeBSD | |
104 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined") | |
105 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined") | |
106 endif() | |
107 | |
108 if (NOT DEFINED ENABLE_PLUGINS_VERSION_SCRIPT OR | |
109 ENABLE_PLUGINS_VERSION_SCRIPT) | |
110 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--version-script=${ORTHANC_ROOT}/Plugins/Samples/Common/VersionScript.map") | |
111 endif() | |
112 | |
113 # Remove the "-rdynamic" option | |
114 # http://www.mail-archive.com/cmake@cmake.org/msg08837.html | |
115 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") | |
116 link_libraries(pthread) | |
117 | |
118 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
119 link_libraries(rt) | |
120 endif() | |
121 | |
122 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND | |
123 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
124 link_libraries(dl) | |
125 endif() | |
126 | |
127 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND | |
128 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
129 # The "--as-needed" linker flag is not available on FreeBSD and OpenBSD | |
130 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed") | |
131 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--as-needed") | |
132 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed") | |
133 endif() | |
134 | |
135 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND | |
136 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD") | |
137 # FreeBSD/OpenBSD have just one single interface for file | |
138 # handling, which is 64bit clean, so there is no need to define macro | |
139 # for LFS (Large File Support). | |
140 # https://ohse.de/uwe/articles/lfs.html | |
141 add_definitions( | |
142 -D_LARGEFILE64_SOURCE=1 | |
143 -D_FILE_OFFSET_BITS=64 | |
144 ) | |
145 endif() | |
146 | |
147 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows") | |
148 if (MSVC) | |
149 message("MSVC compiler version = " ${MSVC_VERSION} "\n") | |
150 # Starting Visual Studio 2013 (version 1800), it is not possible | |
151 # to target Windows XP anymore | |
152 if (MSVC_VERSION LESS 1800) | |
153 add_definitions( | |
154 -DWINVER=0x0501 | |
155 -D_WIN32_WINNT=0x0501 | |
156 ) | |
157 endif() | |
158 else() | |
159 add_definitions( | |
160 -DWINVER=0x0501 | |
161 -D_WIN32_WINNT=0x0501 | |
162 ) | |
163 endif() | |
164 | |
165 add_definitions( | |
166 -D_CRT_SECURE_NO_WARNINGS=1 | |
167 ) | |
168 link_libraries(rpcrt4 ws2_32) | |
169 | |
170 if (CMAKE_COMPILER_IS_GNUCXX) | |
171 # Some additional C/C++ compiler flags for MinGW | |
172 SET(MINGW_NO_WARNINGS "-Wno-unused-function -Wno-unused-variable") | |
173 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MINGW_NO_WARNINGS} -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast") | |
174 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MINGW_NO_WARNINGS}") | |
175 | |
176 if (DYNAMIC_MINGW_STDLIB) | |
177 else() | |
178 # This is a patch for MinGW64 | |
179 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++") | |
180 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++") | |
181 endif() | |
182 | |
183 CHECK_LIBRARY_EXISTS(winpthread pthread_create "" HAVE_WIN_PTHREAD) | |
184 if (HAVE_WIN_PTHREAD) | |
185 if (DYNAMIC_MINGW_STDLIB) | |
186 else() | |
187 # This line is necessary to compile with recent versions of MinGW, | |
188 # otherwise "libwinpthread-1.dll" is not statically linked. | |
189 SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -Wl,-Bstatic -lstdc++ -lpthread -Wl,-Bdynamic") | |
190 endif() | |
191 add_definitions(-DHAVE_WIN_PTHREAD=1) | |
192 else() | |
193 add_definitions(-DHAVE_WIN_PTHREAD=0) | |
194 endif() | |
195 endif() | |
196 | |
197 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin") | |
198 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -exported_symbols_list ${ORTHANC_ROOT}/Plugins/Samples/Common/ExportedSymbols.list") | |
199 | |
200 add_definitions( | |
201 -D_XOPEN_SOURCE=1 | |
202 ) | |
203 link_libraries(iconv) | |
204 | |
205 elseif (CMAKE_SYSTEM_NAME STREQUAL "Emscripten") | |
206 message("Building using Emscripten (for WebAssembly or asm.js targets)") | |
207 | |
208 # The BINARYEN_TRAP_MODE specifies what to do when divisions per | |
209 # zero (and similar conditions like integer overflows) are | |
210 # encountered: The "clamp" mode avoids throwing errors, as they | |
211 # cannot be properly catched by "try {} catch (...)" constructions. | |
212 # Setting this option to "ON" fixes error: "shared:ERROR: | |
213 # BINARYEN_TRAP_MODE is not supported by the LLVM wasm backend" if | |
214 # using the "upstream" backend of Emscripten. | |
215 if (NOT EMSCRIPTEN_SET_LLVM_WASM_BACKEND) | |
216 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s BINARYEN_TRAP_MODE='\"clamp\"'") | |
217 endif() | |
218 | |
219 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s EXTRA_EXPORTED_RUNTIME_METHODS='[\"ccall\", \"cwrap\"]'") | |
220 | |
221 elseif (CMAKE_SYSTEM_NAME STREQUAL "Android") | |
222 | |
223 else() | |
224 message("Unknown target platform: ${CMAKE_SYSTEM_NAME}") | |
225 message(FATAL_ERROR "Support your platform here") | |
226 endif() | |
227 | |
228 | |
229 if (DEFINED ENABLE_PROFILING AND ENABLE_PROFILING) | |
230 if (CMAKE_COMPILER_IS_GNUCXX) | |
231 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg") | |
232 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pg") | |
233 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg") | |
234 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -pg") | |
235 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pg") | |
236 else() | |
237 message(FATAL_ERROR "Don't know how to enable profiling on your configuration") | |
238 endif() | |
239 endif() | |
240 | |
241 | |
242 if (CMAKE_COMPILER_IS_GNUCXX) | |
243 # "When creating a static library using binutils (ar) and there | |
244 # exist a duplicate object name (e.g. a/Foo.cpp.o, b/Foo.cpp.o), the | |
245 # resulting static library can end up having only one of the | |
246 # duplicate objects. [...] This bug only happens if there are many | |
247 # objects." The trick consists in replacing the "r" argument | |
248 # ("replace") provided to "ar" (as used in CMake < 3.1) by the "q" | |
249 # argument ("quick append"). This is because of the fact that CMake | |
250 # will invoke "ar" several times with several batches of ".o" | |
251 # objects, and using "r" would overwrite symbols defined in | |
252 # preceding batches. https://cmake.org/Bug/view.php?id=14874 | |
253 set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> <LINK_FLAGS> q <TARGET> <OBJECTS>") | |
254 endif() | |
255 | |
256 | |
257 if (STATIC_BUILD) | |
258 add_definitions(-DORTHANC_STATIC=1) | |
259 else() | |
260 add_definitions(-DORTHANC_STATIC=0) | |
261 endif() |