summaryrefslogtreecommitdiffstats
path: root/Modules/Platform/Darwin.cmake
blob: 74411e9b100acb730bd60b2a9f61933e90a347db (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
set(APPLE 1)

if(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "tvOS" OR CMAKE_SYSTEM_NAME STREQUAL "watchOS")
  if(NOT DEFINED CMAKE_MACOSX_BUNDLE)
    set(CMAKE_MACOSX_BUNDLE ON)
  endif()

  list(APPEND CMAKE_FIND_ROOT_PATH "${_CMAKE_OSX_SYSROOT_PATH}")
  if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
      set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
  endif()
  if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
      set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
  endif()
  if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
      set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
  endif()
endif()

# Darwin versions:
#   6.x == Mac OSX 10.2 (Jaguar)
#   7.x == Mac OSX 10.3 (Panther)
#   8.x == Mac OSX 10.4 (Tiger)
#   9.x == Mac OSX 10.5 (Leopard)
#  10.x == Mac OSX 10.6 (Snow Leopard)
#  11.x == Mac OSX 10.7 (Lion)
#  12.x == Mac OSX 10.8 (Mountain Lion)
string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_SYSTEM_VERSION}")
string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\2" DARWIN_MINOR_VERSION "${CMAKE_SYSTEM_VERSION}")

# Do not use the "-Wl,-search_paths_first" flag with the OSX 10.2 compiler.
# Done this way because it is too early to do a TRY_COMPILE.
if(NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST)
  set(HAVE_FLAG_SEARCH_PATHS_FIRST 0)
  if("${DARWIN_MAJOR_VERSION}" GREATER 6)
    set(HAVE_FLAG_SEARCH_PATHS_FIRST 1)
  endif()
endif()
# More desirable, but does not work:
  #include(CheckCXXCompilerFlag)
  #CHECK_CXX_COMPILER_FLAG("-Wl,-search_paths_first" HAVE_FLAG_SEARCH_PATHS_FIRST)

set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
set(CMAKE_EXTRA_SHARED_LIBRARY_SUFFIXES ".tbd" ".so")
set(CMAKE_SHARED_MODULE_PREFIX "lib")
set(CMAKE_SHARED_MODULE_SUFFIX ".so")
set(CMAKE_MODULE_EXISTS 1)
set(CMAKE_DL_LIBS "")
if(NOT "${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5")
  set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
endif()

foreach(lang C CXX OBJC OBJCXX)
  set(CMAKE_${lang}_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
  set(CMAKE_${lang}_OSX_CURRENT_VERSION_FLAG "-current_version ")
  set(CMAKE_${lang}_LINK_FLAGS "-Wl,-headerpad_max_install_names")

  if(HAVE_FLAG_SEARCH_PATHS_FIRST)
    set(CMAKE_${lang}_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_${lang}_LINK_FLAGS}")
  endif()

  set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
  set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "-bundle -Wl,-headerpad_max_install_names")
  set(CMAKE_SHARED_MODULE_LOADER_${lang}_FLAG "-Wl,-bundle_loader,")
endforeach()

set(CMAKE_PLATFORM_HAS_INSTALLNAME 1)
set(CMAKE_FIND_LIBRARY_SUFFIXES ".tbd" ".dylib" ".so" ".a")

# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree
# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache
# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun)
# hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex
if(NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
  find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool)
  mark_as_advanced(CMAKE_INSTALL_NAME_TOOL)
endif()

# Enable shared library versioning.
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")

if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5")
  # Need to list dependent shared libraries on link line.  When building
  # with -isysroot (for universal binaries), the linker always looks for
  # dependent libraries under the sysroot.  Listing them on the link
  # line works around the problem.
  set(CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1)
endif()

foreach(lang C CXX Fortran OBJC OBJCXX)
  # Xcode does not support -isystem yet.
  if(XCODE)
    set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang})
  endif()

  set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
    "<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")

  set(CMAKE_${lang}_CREATE_SHARED_MODULE
      "<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")

  set(CMAKE_${lang}_CREATE_MACOSX_FRAMEWORK
      "<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")

  # Set default framework search path flag for languages known to use a
  # preprocessor that may find headers in frameworks.
  set(CMAKE_${lang}_FRAMEWORK_SEARCH_FLAG -F)

  # Defines link features for frameworks
  set(CMAKE_${lang}_LINK_LIBRARY_USING_FRAMEWORK "LINKER:-framework,<LIBRARY>")
  set(CMAKE_${lang}_LINK_LIBRARY_USING_FRAMEWORK_SUPPORTED TRUE)

  set(CMAKE_${lang}_LINK_LIBRARY_USING_NEEDED_FRAMEWORK "LINKER:-needed_framework,<LIBRARY>")
  set(CMAKE_${lang}_LINK_LIBRARY_USING_NEEDED_FRAMEWORK_SUPPORTED TRUE)

  set(CMAKE_${lang}_LINK_LIBRARY_USING_REEXPORT_FRAMEWORK "LINKER:-reexport_framework,<LIBRARY>")
  set(CMAKE_${lang}_LINK_LIBRARY_USING_REEXPORT_FRAMEWORK_SUPPORTED TRUE)

  set(CMAKE_${lang}_LINK_LIBRARY_USING_WEAK_FRAMEWORK "LINKER:-weak_framework,<LIBRARY>")
  set(CMAKE_${lang}_LINK_LIBRARY_USING_WEAK_FRAMEWORK_SUPPORTED TRUE)
endforeach()

# default to searching for frameworks first
if(NOT DEFINED CMAKE_FIND_FRAMEWORK)
  set(CMAKE_FIND_FRAMEWORK FIRST)
endif()

# Older OS X linkers do not report their framework search path
# with -v but "man ld" documents the following locations.
set(CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
  ${_CMAKE_OSX_SYSROOT_PATH}/Library/Frameworks
  ${_CMAKE_OSX_SYSROOT_PATH}/System/Library/Frameworks
  )
if(_CMAKE_OSX_SYSROOT_PATH)
  # Treat some paths as implicit so we do not override the SDK versions.
  list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
    /System/Library/Frameworks)
endif()
if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5")
  # Older OS X tools had more implicit paths.
  list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
    ${_CMAKE_OSX_SYSROOT_PATH}/Network/Library/Frameworks)
endif()

# set up the default search directories for frameworks
set(CMAKE_SYSTEM_FRAMEWORK_PATH
  ~/Library/Frameworks
  )
if(_CMAKE_OSX_SYSROOT_PATH)
  list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH
    ${_CMAKE_OSX_SYSROOT_PATH}/Library/Frameworks
    ${_CMAKE_OSX_SYSROOT_PATH}/Network/Library/Frameworks
    ${_CMAKE_OSX_SYSROOT_PATH}/System/Library/Frameworks
    )
  # add platform developer framework path if exists
  foreach(_path
    # Xcode 6
    ${_CMAKE_OSX_SYSROOT_PATH}/../../Library/Frameworks
    # Xcode 5 iOS
    ${_CMAKE_OSX_SYSROOT_PATH}/Developer/Library/Frameworks
    # Xcode 5 OSX
    ${_CMAKE_OSX_SYSROOT_PATH}/../../../../../Library/Frameworks
    )
    get_filename_component(_abolute_path "${_path}" ABSOLUTE)
    if(EXISTS "${_abolute_path}")
      list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH "${_abolute_path}")
      break()
    endif()
  endforeach()

  if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib)
    list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib)
  endif()
  if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib)
    list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib)
  endif()
endif()
if (OSX_DEVELOPER_ROOT AND EXISTS "${OSX_DEVELOPER_ROOT}/Library/Frameworks")
  list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH
    ${OSX_DEVELOPER_ROOT}/Library/Frameworks)
endif()
list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH
  /Library/Frameworks
  /Network/Library/Frameworks
  /System/Library/Frameworks)

# Warn about known system mis-configuration case.
if(CMAKE_OSX_SYSROOT)
  get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE)
  if(NOT _IN_TC AND
     NOT IS_SYMLINK "${CMAKE_OSX_SYSROOT}/Library/Frameworks"
     AND IS_SYMLINK "${CMAKE_OSX_SYSROOT}/Library/Frameworks/Frameworks")
    message(WARNING "The SDK Library/Frameworks path\n"
      " ${CMAKE_OSX_SYSROOT}/Library/Frameworks\n"
      "is not set up correctly on this system.  "
      "This is known to occur when installing Xcode 3.2.6:\n"
      " http://bugs.python.org/issue14018\n"
      "The problem may cause build errors that report missing system frameworks.  "
      "Fix your SDK symlinks to resolve this issue and avoid this warning."
      )
  endif()
endif()

# default to searching for application bundles first
if(NOT DEFINED CMAKE_FIND_APPBUNDLE)
  set(CMAKE_FIND_APPBUNDLE FIRST)
endif()
# set up the default search directories for application bundles
set(_apps_paths)
foreach(_path
  "~/Applications"
  "/Applications"
  "${OSX_DEVELOPER_ROOT}/../Applications" # Xcode 4.3+
  "${OSX_DEVELOPER_ROOT}/Applications"    # pre-4.3
  )
  get_filename_component(_apps "${_path}" ABSOLUTE)
  if(EXISTS "${_apps}")
    list(APPEND _apps_paths "${_apps}")
  endif()
endforeach()
if(_apps_paths)
  list(REMOVE_DUPLICATES _apps_paths)
endif()
set(CMAKE_SYSTEM_APPBUNDLE_PATH
  ${_apps_paths})
unset(_apps_paths)

include(Platform/UnixPaths)

if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
  list(PREPEND CMAKE_SYSTEM_PREFIX_PATH
    /opt/homebrew # Brew on Apple Silicon
    )
endif()

if(_CMAKE_OSX_SYSROOT_PATH)
  if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
    list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr)
    foreach(lang C CXX OBJC OBJCXX Swift)
      list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
    endforeach()
  endif()
  if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include)
    list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local)
    foreach(lang C CXX OBJC OBJCXX Swift)
      list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include)
    endforeach()
  endif()
endif()
list(APPEND CMAKE_SYSTEM_PREFIX_PATH
  /sw        # Fink
  /opt/local # MacPorts
  )