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-rw-r--r--cmake/Findsodium.cmake288
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diff --git a/cmake/Findsodium.cmake b/cmake/Findsodium.cmake
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1# Written in 2016 by Henrik Steffen Gaßmann <henrik@gassmann.onl>
2#
3# To the extent possible under law, the author(s) have dedicated all
4# copyright and related and neighboring rights to this software to the
5# public domain worldwide. This software is distributed without any warranty.
6#
7# You should have received a copy of the CC0 Public Domain Dedication
8# along with this software. If not, see
9#
10# http://creativecommons.org/publicdomain/zero/1.0/
11#
12########################################################################
13# Tries to find the local libsodium installation.
14#
15# On Windows the sodium_DIR environment variable is used as a default
16# hint which can be overridden by setting the corresponding cmake variable.
17#
18# Once done the following variables will be defined:
19#
20# sodium_FOUND
21# sodium_INCLUDE_DIR
22# sodium_LIBRARY_DEBUG
23# sodium_LIBRARY_RELEASE
24#
25#
26# Furthermore an imported "sodium" target is created.
27#
28
29if (CMAKE_C_COMPILER_ID STREQUAL "GNU"
30 OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
31 set(_GCC_COMPATIBLE 1)
32endif()
33
34# static library option
35if (NOT DEFINED sodium_USE_STATIC_LIBS)
36 option(sodium_USE_STATIC_LIBS "enable to statically link against sodium" OFF)
37endif()
38if(NOT (sodium_USE_STATIC_LIBS EQUAL sodium_USE_STATIC_LIBS_LAST))
39 unset(sodium_LIBRARY CACHE)
40 unset(sodium_LIBRARY_DEBUG CACHE)
41 unset(sodium_LIBRARY_RELEASE CACHE)
42 unset(sodium_DLL_DEBUG CACHE)
43 unset(sodium_DLL_RELEASE CACHE)
44 set(sodium_USE_STATIC_LIBS_LAST ${sodium_USE_STATIC_LIBS} CACHE INTERNAL "internal change tracking variable")
45endif()
46
47
48########################################################################
49# UNIX
50if (UNIX)
51 # import pkg-config
52 find_package(PkgConfig QUIET)
53 if (PKG_CONFIG_FOUND)
54 pkg_check_modules(sodium_PKG QUIET libsodium)
55 endif()
56
57 if(sodium_USE_STATIC_LIBS)
58 foreach(_libname ${sodium_PKG_STATIC_LIBRARIES})
59 if (NOT _libname MATCHES "^lib.*\\.a$") # ignore strings already ending with .a
60 list(INSERT sodium_PKG_STATIC_LIBRARIES 0 "lib${_libname}.a")
61 endif()
62 endforeach()
63 list(REMOVE_DUPLICATES sodium_PKG_STATIC_LIBRARIES)
64
65 # if pkgconfig for libsodium doesn't provide
66 # static lib info, then override PKG_STATIC here..
67 if (sodium_PKG_STATIC_LIBRARIES STREQUAL "")
68 set(sodium_PKG_STATIC_LIBRARIES libsodium.a)
69 endif()
70
71 set(XPREFIX sodium_PKG_STATIC)
72 else()
73 if (sodium_PKG_LIBRARIES STREQUAL "")
74 set(sodium_PKG_LIBRARIES sodium)
75 endif()
76
77 set(XPREFIX sodium_PKG)
78 endif()
79
80 find_path(sodium_INCLUDE_DIR sodium.h
81 HINTS ${${XPREFIX}_INCLUDE_DIRS}
82 )
83 find_library(sodium_LIBRARY_DEBUG NAMES ${${XPREFIX}_LIBRARIES}
84 HINTS ${${XPREFIX}_LIBRARY_DIRS}
85 )
86 find_library(sodium_LIBRARY_RELEASE NAMES ${${XPREFIX}_LIBRARIES}
87 HINTS ${${XPREFIX}_LIBRARY_DIRS}
88 )
89
90
91########################################################################
92# Windows
93elseif (WIN32)
94 set(sodium_DIR "$ENV{sodium_DIR}" CACHE FILEPATH "sodium install directory")
95 mark_as_advanced(sodium_DIR)
96
97 find_path(sodium_INCLUDE_DIR sodium.h
98 HINTS ${sodium_DIR}
99 PATH_SUFFIXES include
100 )
101
102 if (MSVC)
103 # detect target architecture
104 file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/arch.c" [=[
105 #if defined _M_IX86
106 #error ARCH_VALUE x86_32
107 #elif defined _M_X64
108 #error ARCH_VALUE x86_64
109 #endif
110 #error ARCH_VALUE unknown
111 ]=])
112 try_compile(_UNUSED_VAR "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/arch.c"
113 OUTPUT_VARIABLE _COMPILATION_LOG
114 )
115 string(REGEX REPLACE ".*ARCH_VALUE ([a-zA-Z0-9_]+).*" "\\1" _TARGET_ARCH "${_COMPILATION_LOG}")
116
117 # construct library path
118 if (_TARGET_ARCH STREQUAL "x86_32")
119 string(APPEND _PLATFORM_PATH "Win32")
120 elseif(_TARGET_ARCH STREQUAL "x86_64")
121 string(APPEND _PLATFORM_PATH "x64")
122 else()
123 message(FATAL_ERROR "the ${_TARGET_ARCH} architecture is not supported by Findsodium.cmake.")
124 endif()
125 string(APPEND _PLATFORM_PATH "/$$CONFIG$$")
126
127 if (MSVC_VERSION LESS 1900)
128 math(EXPR _VS_VERSION "${MSVC_VERSION} / 10 - 60")
129 else()
130 math(EXPR _VS_VERSION "${MSVC_VERSION} / 10 - 50")
131 endif()
132 string(APPEND _PLATFORM_PATH "/v${_VS_VERSION}")
133
134 if (sodium_USE_STATIC_LIBS)
135 string(APPEND _PLATFORM_PATH "/static")
136 else()
137 string(APPEND _PLATFORM_PATH "/dynamic")
138 endif()
139
140 string(REPLACE "$$CONFIG$$" "Debug" _DEBUG_PATH_SUFFIX "${_PLATFORM_PATH}")
141 string(REPLACE "$$CONFIG$$" "Release" _RELEASE_PATH_SUFFIX "${_PLATFORM_PATH}")
142
143 find_library(sodium_LIBRARY_DEBUG libsodium.lib
144 HINTS ${sodium_DIR}
145 PATH_SUFFIXES ${_DEBUG_PATH_SUFFIX}
146 )
147 find_library(sodium_LIBRARY_RELEASE libsodium.lib
148 HINTS ${sodium_DIR}
149 PATH_SUFFIXES ${_RELEASE_PATH_SUFFIX}
150 )
151 if (NOT sodium_USE_STATIC_LIBS)
152 set(CMAKE_FIND_LIBRARY_SUFFIXES_BCK ${CMAKE_FIND_LIBRARY_SUFFIXES})
153 set(CMAKE_FIND_LIBRARY_SUFFIXES ".dll")
154 find_library(sodium_DLL_DEBUG libsodium
155 HINTS ${sodium_DIR}
156 PATH_SUFFIXES ${_DEBUG_PATH_SUFFIX}
157 )
158 find_library(sodium_DLL_RELEASE libsodium
159 HINTS ${sodium_DIR}
160 PATH_SUFFIXES ${_RELEASE_PATH_SUFFIX}
161 )
162 set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_BCK})
163 endif()
164
165 elseif(_GCC_COMPATIBLE)
166 if (sodium_USE_STATIC_LIBS)
167 find_library(sodium_LIBRARY_DEBUG libsodium.a
168 HINTS ${sodium_DIR}
169 PATH_SUFFIXES lib
170 )
171 find_library(sodium_LIBRARY_RELEASE libsodium.a
172 HINTS ${sodium_DIR}
173 PATH_SUFFIXES lib
174 )
175 else()
176 find_library(sodium_LIBRARY_DEBUG libsodium.dll.a
177 HINTS ${sodium_DIR}
178 PATH_SUFFIXES lib
179 )
180 find_library(sodium_LIBRARY_RELEASE libsodium.dll.a
181 HINTS ${sodium_DIR}
182 PATH_SUFFIXES lib
183 )
184
185 file(GLOB _DLL
186 LIST_DIRECTORIES false
187 RELATIVE "${sodium_DIR}/bin"
188 "${sodium_DIR}/bin/libsodium*.dll"
189 )
190 find_library(sodium_DLL_DEBUG ${_DLL} libsodium
191 HINTS ${sodium_DIR}
192 PATH_SUFFIXES bin
193 )
194 find_library(sodium_DLL_RELEASE ${_DLL} libsodium
195 HINTS ${sodium_DIR}
196 PATH_SUFFIXES bin
197 )
198 endif()
199 else()
200 message(FATAL_ERROR "this platform is not supported by FindSodium.cmake")
201 endif()
202
203
204########################################################################
205# unsupported
206else()
207 message(FATAL_ERROR "this platform is not supported by FindSodium.cmake")
208endif()
209
210
211########################################################################
212# common stuff
213
214# extract sodium version
215if (sodium_INCLUDE_DIR)
216 set(_VERSION_HEADER "${_INCLUDE_DIR}/sodium/version.h")
217 if (EXISTS _VERSION_HEADER)
218 file(READ "${_VERSION_HEADER}" _VERSION_HEADER_CONTENT)
219 string(REGEX REPLACE ".*#[ \t]*define[ \t]*SODIUM_VERSION_STRING[ \t]*\"([^\n]*)\".*" "\\1"
220 sodium_VERSION "${_VERSION_HEADER_CONTENT}")
221 set(sodium_VERSION "${sodium_VERSION}" PARENT_SCOPE)
222 endif()
223endif()
224
225# communicate results
226include(FindPackageHandleStandardArgs)
227find_package_handle_standard_args(sodium
228 REQUIRED_VARS
229 sodium_LIBRARY_RELEASE
230 sodium_LIBRARY_DEBUG
231 sodium_INCLUDE_DIR
232 VERSION_VAR
233 sodium_VERSION
234)
235
236# mark file paths as advanced
237mark_as_advanced(sodium_INCLUDE_DIR)
238mark_as_advanced(sodium_LIBRARY_DEBUG)
239mark_as_advanced(sodium_LIBRARY_RELEASE)
240if (WIN32)
241 mark_as_advanced(sodium_DLL_DEBUG)
242 mark_as_advanced(sodium_DLL_RELEASE)
243endif()
244
245# create imported target
246if(sodium_USE_STATIC_LIBS)
247 set(_LIB_TYPE STATIC)
248else()
249 set(_LIB_TYPE SHARED)
250endif()
251add_library(sodium ${_LIB_TYPE} IMPORTED)
252
253set_target_properties(sodium PROPERTIES
254 INTERFACE_INCLUDE_DIRECTORIES "${sodium_INCLUDE_DIR}"
255 IMPORTED_LINK_INTERFACE_LANGUAGES "C"
256)
257
258if (sodium_USE_STATIC_LIBS)
259 set_target_properties(sodium PROPERTIES
260 INTERFACE_COMPILE_DEFINITIONS "SODIUM_STATIC"
261 IMPORTED_LOCATION "${sodium_LIBRARY_RELEASE}"
262 IMPORTED_LOCATION_DEBUG "${sodium_LIBRARY_DEBUG}"
263 )
264else()
265 if (UNIX)
266 set_target_properties(sodium PROPERTIES
267 IMPORTED_LOCATION "${sodium_LIBRARY_RELEASE}"
268 IMPORTED_LOCATION_DEBUG "${sodium_LIBRARY_DEBUG}"
269 )
270 elseif (WIN32)
271 set_target_properties(sodium PROPERTIES
272 IMPORTED_IMPLIB "${sodium_LIBRARY_RELEASE}"
273 IMPORTED_IMPLIB_DEBUG "${sodium_LIBRARY_DEBUG}"
274 )
275 if (NOT (sodium_DLL_DEBUG MATCHES ".*-NOTFOUND"))
276 set_target_properties(sodium PROPERTIES
277 IMPORTED_LOCATION_DEBUG "${sodium_DLL_DEBUG}"
278 )
279 endif()
280 if (NOT (sodium_DLL_RELEASE MATCHES ".*-NOTFOUND"))
281 set_target_properties(sodium PROPERTIES
282 IMPORTED_LOCATION_RELWITHDEBINFO "${sodium_DLL_RELEASE}"
283 IMPORTED_LOCATION_MINSIZEREL "${sodium_DLL_RELEASE}"
284 IMPORTED_LOCATION_RELEASE "${sodium_DLL_RELEASE}"
285 )
286 endif()
287 endif()
288endif()
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