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