From 6422c1aad4c4e845ff9d9b237a635c52e642e3cd Mon Sep 17 00:00:00 2001 From: Sandu Liviu Catalin Date: Thu, 23 Mar 2023 20:23:57 +0200 Subject: [PATCH] Create FindSodium.cmake --- cmake/FindSodium.cmake | 293 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 293 insertions(+) create mode 100644 cmake/FindSodium.cmake diff --git a/cmake/FindSodium.cmake b/cmake/FindSodium.cmake new file mode 100644 index 00000000..fbcc45ad --- /dev/null +++ b/cmake/FindSodium.cmake @@ -0,0 +1,293 @@ +# Written in 2016 by Henrik Steffen Gaßmann +# +# 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 +# sodium_VERSION_STRING +# +# 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) + 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.cpp" [=[ + #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.cpp" + 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 ${sodium_DIR} + PATH_SUFFIXES bin) + endif() + else() + message(FATAL_ERROR "this platform is not supported by FindSodium.cmake") + endif() + + # ############################################################################ + # unsupported +else() + message(FATAL_ERROR "this platform is not supported by FindSodium.cmake") +endif() + +# ############################################################################## +# common stuff + +# extract sodium version +if(sodium_INCLUDE_DIR) + set(_VERSION_HEADER "${sodium_INCLUDE_DIR}/sodium/version.h") + if(EXISTS "${_VERSION_HEADER}") + file(READ "${_VERSION_HEADER}" _VERSION_HEADER_CONTENT) + string( + REGEX + REPLACE + ".*#define[ \t]*SODIUM_VERSION_STRING[ \t]*\"([^\n]*)\".*" + "\\1" + sodium_VERSION_STRING + "${_VERSION_HEADER_CONTENT}") + set(sodium_VERSION_STRING "${sodium_VERSION_STRING}") + 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_STRING) + +# 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()