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find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(libsodium libsodium)
endif()
if(NOT libsodium_FOUND)
find_library(libsodium_LIBRARIES NAMES sodium)
find_path(libsodium_INCLUDE_DIRS NAMES
sodium.h
sodium/version.h
PATH_SUFFIXES include)
if(libsodium_INCLUDE_DIRS)
set(libsodium_VERSION ${libsodium_INCLUDE_DIRS}/sodium/version.h)
if(NOT EXISTS ${libsodium_VERSION})
message(FATAL_ERROR "Missing file: ${libsodium_VERSION}")
endif()
endif()
file(STRINGS ${libsodium_VERSION} libsodium_VERSION_LINE REGEX "^#define[ \t]+SODIUM_VERSION_STRING[ \t]+\"[0-9\.]+\"$")
set(libsodium_expr "^#define[ \t]+SODIUM_VERSION_STRING[ \t]+\"([0-9]+)\.([0-9]+)\.([0-9]+)\"$")
string(REGEX REPLACE ${libsodium_expr} "\\1" libsodium_VERSION_MAJOR "${libsodium_VERSION_LINE}")
string(REGEX REPLACE ${libsodium_expr} "\\2" libsodium_VERSION_MINOR "${libsodium_VERSION_LINE}")
string(REGEX REPLACE ${libsodium_expr} "\\3" libsodium_VERSION_PATCH "${libsodium_VERSION_LINE}")
set(libsodium_VERSION_STRING ${libsodium_VERSION_MAJOR}.${libsodium_VERSION_MINOR}.${libsodium_VERSION_PATCH})
unset(libsodium_VERSION_MAJOR_LINE)
unset(libsodium_VERSION_MINOR_LINE)
unset(libsodium_VERSION_PATCH_LINE)
unset(libsodium_VERSION_MAJOR)
unset(libsodium_VERSION_MINOR)
unset(libsodium_VERSION_PATCH)
unset(libsodium_expr)
if (libsodium_LIBRARIES STREQUAL "libsodium_LIBRARIES-NOTFOUND")
message(FATAL_ERROR "libsodium not found")
elseif (libsodium_INCLUDE_DIRS STREQUAL "libsodium_INCLUDE_DIRS-NOTFOUND")
message(FATAL_ERROR "libsodium headers not found")
endif()
set(libsodium_LINK_LIBRARIES ${libsodium_LIBRARIES})
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(libsodium
REQUIRED_VARS
libsodium_LINK_LIBRARIES
libsodium_INCLUDE_DIRS
VERSION_VAR libsodium_VERSION_STRING
)
if(NOT TARGET libsodium)
add_library(libsodium INTERFACE IMPORTED)
set_target_properties(libsodium PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${libsodium_INCLUDE_DIRS}
INTERFACE_LINK_LIBRARIES ${libsodium_LINK_LIBRARIES})
endif()
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