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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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+# Written in 2016 by Henrik Steffen Gaßmann <henrik@gassmann.onl>
+#
+# To the extent possible under law, the author(s) have dedicated all
+# copyright and related and neighboring rights to this software to the
+# public domain worldwide. This software is distributed without any warranty.
+#
+# You should have received a copy of the CC0 Public Domain Dedication
+# along with this software. If not, see
+#
+# http://creativecommons.org/publicdomain/zero/1.0/
+#
+########################################################################
+# Tries to find the local libsodium installation.
+#
+# On Windows the sodium_DIR environment variable is used as a default
+# hint which can be overridden by setting the corresponding cmake variable.
+#
+# Once done the following variables will be defined:
+#
+# sodium_FOUND
+# sodium_INCLUDE_DIR
+# sodium_LIBRARY_DEBUG
+# sodium_LIBRARY_RELEASE
+#
+#
+# Furthermore an imported "sodium" target is created.
+#
+
+if (CMAKE_C_COMPILER_ID STREQUAL "GNU"
+ OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
+ set(_GCC_COMPATIBLE 1)
+endif()
+
+# static library option
+if (NOT DEFINED sodium_USE_STATIC_LIBS)
+ option(sodium_USE_STATIC_LIBS "enable to statically link against sodium" OFF)
+endif()
+if(NOT (sodium_USE_STATIC_LIBS EQUAL sodium_USE_STATIC_LIBS_LAST))
+ unset(sodium_LIBRARY CACHE)
+ unset(sodium_LIBRARY_DEBUG CACHE)
+ unset(sodium_LIBRARY_RELEASE CACHE)
+ unset(sodium_DLL_DEBUG CACHE)
+ unset(sodium_DLL_RELEASE CACHE)
+ set(sodium_USE_STATIC_LIBS_LAST ${sodium_USE_STATIC_LIBS} CACHE INTERNAL "internal change tracking variable")
+endif()
+
+
+########################################################################
+# UNIX
+if (UNIX)
+ # import pkg-config
+ find_package(PkgConfig QUIET)
+ if (PKG_CONFIG_FOUND)
+ pkg_check_modules(sodium_PKG QUIET libsodium)
+ endif()
+
+ if(sodium_USE_STATIC_LIBS)
+ if (sodium_PKG_STATIC_LIBRARIES)
+ foreach(_libname ${sodium_PKG_STATIC_LIBRARIES})
+ if (NOT _libname MATCHES "^lib.*\\.a$") # ignore strings already ending with .a
+ list(INSERT sodium_PKG_STATIC_LIBRARIES 0 "lib${_libname}.a")
+ endif()
+ endforeach()
+ list(REMOVE_DUPLICATES sodium_PKG_STATIC_LIBRARIES)
+ else()
+ # if pkgconfig for libsodium doesn't provide
+ # static lib info, then override PKG_STATIC here..
+ set(sodium_PKG_STATIC_LIBRARIES libsodium.a)
+ endif()
+
+ set(XPREFIX sodium_PKG_STATIC)
+ else()
+ if (sodium_PKG_LIBRARIES STREQUAL "")
+ set(sodium_PKG_LIBRARIES sodium)
+ endif()
+
+ set(XPREFIX sodium_PKG)
+ endif()
+
+ find_path(sodium_INCLUDE_DIR sodium.h
+ HINTS ${${XPREFIX}_INCLUDE_DIRS}
+ )
+ find_library(sodium_LIBRARY_DEBUG NAMES ${${XPREFIX}_LIBRARIES}
+ HINTS ${${XPREFIX}_LIBRARY_DIRS}
+ )
+ find_library(sodium_LIBRARY_RELEASE NAMES ${${XPREFIX}_LIBRARIES}
+ HINTS ${${XPREFIX}_LIBRARY_DIRS}
+ )
+
+
+########################################################################
+# Windows
+elseif (WIN32)
+ set(sodium_DIR "$ENV{sodium_DIR}" CACHE FILEPATH "sodium install directory")
+ mark_as_advanced(sodium_DIR)
+
+ find_path(sodium_INCLUDE_DIR sodium.h
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES include
+ )
+
+ if (MSVC)
+ # detect target architecture
+ file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/arch.c" [=[
+ #if defined _M_IX86
+ #error ARCH_VALUE x86_32
+ #elif defined _M_X64
+ #error ARCH_VALUE x86_64
+ #endif
+ #error ARCH_VALUE unknown
+ ]=])
+ try_compile(_UNUSED_VAR "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/arch.c"
+ OUTPUT_VARIABLE _COMPILATION_LOG
+ )
+ string(REGEX REPLACE ".*ARCH_VALUE ([a-zA-Z0-9_]+).*" "\\1" _TARGET_ARCH "${_COMPILATION_LOG}")
+
+ # construct library path
+ if (_TARGET_ARCH STREQUAL "x86_32")
+ string(APPEND _PLATFORM_PATH "Win32")
+ elseif(_TARGET_ARCH STREQUAL "x86_64")
+ string(APPEND _PLATFORM_PATH "x64")
+ else()
+ message(FATAL_ERROR "the ${_TARGET_ARCH} architecture is not supported by Findsodium.cmake.")
+ endif()
+ string(APPEND _PLATFORM_PATH "/$$CONFIG$$")
+
+ if (MSVC_VERSION LESS 1900)
+ math(EXPR _VS_VERSION "${MSVC_VERSION} / 10 - 60")
+ else()
+ math(EXPR _VS_VERSION "${MSVC_VERSION} / 10 - 50")
+ endif()
+ string(APPEND _PLATFORM_PATH "/v${_VS_VERSION}")
+
+ if (sodium_USE_STATIC_LIBS)
+ string(APPEND _PLATFORM_PATH "/static")
+ else()
+ string(APPEND _PLATFORM_PATH "/dynamic")
+ endif()
+
+ string(REPLACE "$$CONFIG$$" "Debug" _DEBUG_PATH_SUFFIX "${_PLATFORM_PATH}")
+ string(REPLACE "$$CONFIG$$" "Release" _RELEASE_PATH_SUFFIX "${_PLATFORM_PATH}")
+
+ find_library(sodium_LIBRARY_DEBUG libsodium.lib
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES ${_DEBUG_PATH_SUFFIX}
+ )
+ find_library(sodium_LIBRARY_RELEASE libsodium.lib
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES ${_RELEASE_PATH_SUFFIX}
+ )
+ if (NOT sodium_USE_STATIC_LIBS)
+ set(CMAKE_FIND_LIBRARY_SUFFIXES_BCK ${CMAKE_FIND_LIBRARY_SUFFIXES})
+ set(CMAKE_FIND_LIBRARY_SUFFIXES ".dll")
+ find_library(sodium_DLL_DEBUG libsodium
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES ${_DEBUG_PATH_SUFFIX}
+ )
+ find_library(sodium_DLL_RELEASE libsodium
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES ${_RELEASE_PATH_SUFFIX}
+ )
+ set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_BCK})
+ endif()
+
+ elseif(_GCC_COMPATIBLE)
+ if (sodium_USE_STATIC_LIBS)
+ find_library(sodium_LIBRARY_DEBUG libsodium.a
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES lib
+ )
+ find_library(sodium_LIBRARY_RELEASE libsodium.a
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES lib
+ )
+ else()
+ find_library(sodium_LIBRARY_DEBUG libsodium.dll.a
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES lib
+ )
+ find_library(sodium_LIBRARY_RELEASE libsodium.dll.a
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES lib
+ )
+
+ file(GLOB _DLL
+ LIST_DIRECTORIES false
+ RELATIVE "${sodium_DIR}/bin"
+ "${sodium_DIR}/bin/libsodium*.dll"
+ )
+ find_library(sodium_DLL_DEBUG ${_DLL} libsodium
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES bin
+ )
+ find_library(sodium_DLL_RELEASE ${_DLL} libsodium
+ HINTS ${sodium_DIR}
+ PATH_SUFFIXES bin
+ )
+ endif()
+ else()
+ message(FATAL_ERROR "this platform is not supported by FindSodium.cmake")
+ endif()
+
+
+########################################################################
+# unsupported
+else()
+ message(FATAL_ERROR "this platform is not supported by FindSodium.cmake")
+endif()
+
+
+########################################################################
+# common stuff
+
+# extract sodium version
+if (sodium_INCLUDE_DIR)
+ set(_VERSION_HEADER "${_INCLUDE_DIR}/sodium/version.h")
+ if (EXISTS _VERSION_HEADER)
+ file(READ "${_VERSION_HEADER}" _VERSION_HEADER_CONTENT)
+ string(REGEX REPLACE ".*#[ \t]*define[ \t]*SODIUM_VERSION_STRING[ \t]*\"([^\n]*)\".*" "\\1"
+ sodium_VERSION "${_VERSION_HEADER_CONTENT}")
+ set(sodium_VERSION "${sodium_VERSION}" PARENT_SCOPE)
+ endif()
+endif()
+
+# communicate results
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(sodium
+ REQUIRED_VARS
+ sodium_LIBRARY_RELEASE
+ sodium_LIBRARY_DEBUG
+ sodium_INCLUDE_DIR
+ VERSION_VAR
+ sodium_VERSION
+)
+
+# mark file paths as advanced
+mark_as_advanced(sodium_INCLUDE_DIR)
+mark_as_advanced(sodium_LIBRARY_DEBUG)
+mark_as_advanced(sodium_LIBRARY_RELEASE)
+if (WIN32)
+ mark_as_advanced(sodium_DLL_DEBUG)
+ mark_as_advanced(sodium_DLL_RELEASE)
+endif()
+
+# create imported target
+if(sodium_USE_STATIC_LIBS)
+ set(_LIB_TYPE STATIC)
+else()
+ set(_LIB_TYPE SHARED)
+endif()
+add_library(sodium ${_LIB_TYPE} IMPORTED)
+
+set_target_properties(sodium PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${sodium_INCLUDE_DIR}"
+ IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+)
+
+if (sodium_USE_STATIC_LIBS)
+ set_target_properties(sodium PROPERTIES
+ INTERFACE_COMPILE_DEFINITIONS "SODIUM_STATIC"
+ IMPORTED_LOCATION "${sodium_LIBRARY_RELEASE}"
+ IMPORTED_LOCATION_DEBUG "${sodium_LIBRARY_DEBUG}"
+ )
+else()
+ if (UNIX)
+ set_target_properties(sodium PROPERTIES
+ IMPORTED_LOCATION "${sodium_LIBRARY_RELEASE}"
+ IMPORTED_LOCATION_DEBUG "${sodium_LIBRARY_DEBUG}"
+ )
+ elseif (WIN32)
+ set_target_properties(sodium PROPERTIES
+ IMPORTED_IMPLIB "${sodium_LIBRARY_RELEASE}"
+ IMPORTED_IMPLIB_DEBUG "${sodium_LIBRARY_DEBUG}"
+ )
+ if (NOT (sodium_DLL_DEBUG MATCHES ".*-NOTFOUND"))
+ set_target_properties(sodium PROPERTIES
+ IMPORTED_LOCATION_DEBUG "${sodium_DLL_DEBUG}"
+ )
+ endif()
+ if (NOT (sodium_DLL_RELEASE MATCHES ".*-NOTFOUND"))
+ set_target_properties(sodium PROPERTIES
+ IMPORTED_LOCATION_RELWITHDEBINFO "${sodium_DLL_RELEASE}"
+ IMPORTED_LOCATION_MINSIZEREL "${sodium_DLL_RELEASE}"
+ IMPORTED_LOCATION_RELEASE "${sodium_DLL_RELEASE}"
+ )
+ endif()
+ endif()
+endif()
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