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comparison Resources/Orthanc/CMake/Compiler.cmake @ 0:39585ba26f20

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 15 Jun 2023 09:48:46 +0200
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children 1bda8ea224de
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-1:000000000000 0:39585ba26f20
1 # Orthanc - A Lightweight, RESTful DICOM Store
2 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
3 # Department, University Hospital of Liege, Belgium
4 # Copyright (C) 2017-2023 Osimis S.A., Belgium
5 # Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
6 #
7 # This program is free software: you can redistribute it and/or
8 # modify it under the terms of the GNU Lesser General Public License
9 # as published by the Free Software Foundation, either version 3 of
10 # the License, or (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # Lesser General Public License for more details.
16 #
17 # You should have received a copy of the GNU Lesser General Public
18 # License along with this program. If not, see
19 # <http://www.gnu.org/licenses/>.
20
21
22 # This file sets all the compiler-related flags
23
24
25 # Save the current compiler flags to the cache every time cmake configures the project
26 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "compiler flags" FORCE)
27 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "compiler flags" FORCE)
28
29
30 include(CheckLibraryExists)
31
32 if ((CMAKE_CROSSCOMPILING AND NOT
33 "${CMAKE_SYSTEM_VERSION}" STREQUAL "CrossToolNg") OR
34 "${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase")
35 # Cross-compilation necessarily implies standalone and static build
36 SET(STATIC_BUILD ON)
37 SET(STANDALONE_BUILD ON)
38 endif()
39
40
41 if ("${CMAKE_SYSTEM_VERSION}" STREQUAL "LinuxStandardBase")
42 # Cache the environment variables "LSB_CC" and "LSB_CXX" for further
43 # use by "ExternalProject" in CMake
44 SET(CMAKE_LSB_CC $ENV{LSB_CC} CACHE STRING "")
45 SET(CMAKE_LSB_CXX $ENV{LSB_CXX} CACHE STRING "")
46 endif()
47
48
49 if (CMAKE_COMPILER_IS_GNUCXX)
50 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-long-long")
51
52 # --std=c99 makes libcurl not to compile
53 # -pedantic gives a lot of warnings on OpenSSL
54 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -Wno-variadic-macros")
55
56 if (CMAKE_CROSSCOMPILING)
57 # http://stackoverflow.com/a/3543845/881731
58 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff -I<CMAKE_CURRENT_SOURCE_DIR> <SOURCE> <OBJECT>")
59 endif()
60
61 elseif (MSVC)
62 # Use static runtime under Visual Studio
63 # http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace
64 # http://stackoverflow.com/a/6510446
65 foreach(flag_var
66 CMAKE_C_FLAGS_DEBUG
67 CMAKE_CXX_FLAGS_DEBUG
68 CMAKE_C_FLAGS_RELEASE
69 CMAKE_CXX_FLAGS_RELEASE
70 CMAKE_C_FLAGS_MINSIZEREL
71 CMAKE_CXX_FLAGS_MINSIZEREL
72 CMAKE_C_FLAGS_RELWITHDEBINFO
73 CMAKE_CXX_FLAGS_RELWITHDEBINFO)
74 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
75 string(REGEX REPLACE "/MDd" "/MTd" ${flag_var} "${${flag_var}}")
76 endforeach(flag_var)
77
78 # Add /Zm256 compiler option to Visual Studio to fix PCH errors
79 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Zm256")
80
81 # New in Orthanc 1.5.5
82 if (MSVC_MULTIPLE_PROCESSES)
83 # "If you omit the processMax argument in the /MP option, the
84 # compiler obtains the number of effective processors from the
85 # operating system, and then creates one process per effective
86 # processor"
87 # https://blog.kitware.com/cmake-building-with-all-your-cores/
88 # https://docs.microsoft.com/en-us/cpp/build/reference/mp-build-with-multiple-processes
89 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP")
90 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
91 endif()
92
93 add_definitions(
94 -D_CRT_SECURE_NO_WARNINGS=1
95 -D_CRT_SECURE_NO_DEPRECATE=1
96 )
97
98 if (MSVC_VERSION LESS 1600)
99 # Starting with Visual Studio >= 2010 (i.e. macro _MSC_VER >=
100 # 1600), Microsoft ships a standard-compliant <stdint.h>
101 # header. For earlier versions of Visual Studio, give access to a
102 # compatibility header.
103 # http://stackoverflow.com/a/70630/881731
104 # https://en.wikibooks.org/wiki/C_Programming/C_Reference/stdint.h#External_links
105 include_directories(${CMAKE_CURRENT_LIST_DIR}/../../Resources/ThirdParty/VisualStudio)
106 endif()
107
108 link_libraries(netapi32)
109 endif()
110
111
112 if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR
113 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
114 # In FreeBSD/OpenBSD, the "/usr/local/" folder contains the ports and need to be imported
115 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I/usr/local/include")
116 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I/usr/local/include")
117 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib")
118 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -L/usr/local/lib")
119 endif()
120
121
122 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR
123 ${CMAKE_SYSTEM_NAME} STREQUAL "kFreeBSD" OR
124 ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR
125 ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
126
127 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" AND
128 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
129 # The "--no-undefined" linker flag makes the shared libraries
130 # (plugins ModalityWorklists and ServeFolders) fail to compile on
131 # OpenBSD, and make the PostgreSQL plugin complain about missing
132 # "environ" global variable in FreeBSD
133 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined")
134 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
135 endif()
136
137 # Remove the "-rdynamic" option
138 # http://www.mail-archive.com/cmake@cmake.org/msg08837.html
139 set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
140 link_libraries(pthread)
141
142 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
143 link_libraries(rt)
144 endif()
145
146 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND
147 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
148 link_libraries(dl)
149 endif()
150
151 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND
152 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
153 # The "--as-needed" linker flag is not available on FreeBSD and OpenBSD
154 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed")
155 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--as-needed")
156 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed")
157 endif()
158
159 if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" AND
160 NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
161 # FreeBSD/OpenBSD have just one single interface for file
162 # handling, which is 64bit clean, so there is no need to define macro
163 # for LFS (Large File Support).
164 # https://ohse.de/uwe/articles/lfs.html
165 add_definitions(
166 -D_LARGEFILE64_SOURCE=1
167 -D_FILE_OFFSET_BITS=64
168 )
169 endif()
170
171 elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
172 if (MSVC)
173 message("MSVC compiler version = " ${MSVC_VERSION} "\n")
174 # Starting Visual Studio 2013 (version 1800), it is not possible
175 # to target Windows XP anymore
176 if (MSVC_VERSION LESS 1800)
177 add_definitions(
178 -DWINVER=0x0501
179 -D_WIN32_WINNT=0x0501
180 )
181 endif()
182 else()
183 add_definitions(
184 -DWINVER=0x0501
185 -D_WIN32_WINNT=0x0501
186 )
187 endif()
188
189 add_definitions(
190 -D_CRT_SECURE_NO_WARNINGS=1
191 )
192 link_libraries(rpcrt4 ws2_32 iphlpapi) # "iphlpapi" is for "SystemToolbox::GetMacAddresses()"
193
194 if (CMAKE_COMPILER_IS_GNUCXX)
195 # Some additional C/C++ compiler flags for MinGW
196 SET(MINGW_NO_WARNINGS "-Wno-unused-function -Wno-unused-variable")
197 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MINGW_NO_WARNINGS} -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast")
198 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MINGW_NO_WARNINGS}")
199
200 if (DYNAMIC_MINGW_STDLIB)
201 else()
202 # This is a patch for MinGW64
203 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++")
204 SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--allow-multiple-definition -static-libgcc -static-libstdc++")
205 endif()
206
207 CHECK_LIBRARY_EXISTS(winpthread pthread_create "" HAVE_WIN_PTHREAD)
208 if (HAVE_WIN_PTHREAD)
209 if (DYNAMIC_MINGW_STDLIB)
210 else()
211 # This line is necessary to compile with recent versions of MinGW,
212 # otherwise "libwinpthread-1.dll" is not statically linked.
213 SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -Wl,-Bstatic -lstdc++ -lpthread -Wl,-Bdynamic")
214 endif()
215 add_definitions(-DHAVE_WIN_PTHREAD=1)
216 else()
217 add_definitions(-DHAVE_WIN_PTHREAD=0)
218 endif()
219 endif()
220
221 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
222 add_definitions(
223 -D_XOPEN_SOURCE=1
224 )
225 link_libraries(iconv)
226
227 elseif (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
228 message("Building using Emscripten (for WebAssembly or asm.js targets)")
229 include(${CMAKE_CURRENT_LIST_DIR}/EmscriptenParameters.cmake)
230
231 elseif (CMAKE_SYSTEM_NAME STREQUAL "Android")
232
233 else()
234 message("Unknown target platform: ${CMAKE_SYSTEM_NAME}")
235 message(FATAL_ERROR "Support your platform here")
236 endif()
237
238
239 if (DEFINED ENABLE_PROFILING AND ENABLE_PROFILING)
240 if (CMAKE_COMPILER_IS_GNUCXX OR
241 CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
242 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pg")
243 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pg")
244 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")
245 set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -pg")
246 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -pg")
247 else()
248 message(FATAL_ERROR "Don't know how to enable profiling on your configuration")
249 endif()
250 endif()
251
252
253 if (CMAKE_COMPILER_IS_GNUCXX)
254 # "When creating a static library using binutils (ar) and there
255 # exist a duplicate object name (e.g. a/Foo.cpp.o, b/Foo.cpp.o), the
256 # resulting static library can end up having only one of the
257 # duplicate objects. [...] This bug only happens if there are many
258 # objects." The trick consists in replacing the "r" argument
259 # ("replace") provided to "ar" (as used in CMake < 3.1) by the "q"
260 # argument ("quick append"). This is because of the fact that CMake
261 # will invoke "ar" several times with several batches of ".o"
262 # objects, and using "r" would overwrite symbols defined in
263 # preceding batches. https://cmake.org/Bug/view.php?id=14874
264 set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> <LINK_FLAGS> q <TARGET> <OBJECTS>")
265 endif()