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# - Try to find LibCrypto include dirs and libraries
#
# Usage of this module as follows:
#
# find_package(crypto)
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
# Variables defined by this module:
#
# crypto_FOUND System has libcrypto, include and library dirs found
# crypto_INCLUDE_DIR The crypto include directories.
# crypto_LIBRARY The crypto library, depending on the value of BUILD_SHARED_LIBS.
# crypto_SHARED_LIBRARY The path to libcrypto.so
# crypto_STATIC_LIBRARY The path to libcrypto.a
# the next branch exists purely for cmake compatibility with versions older than 3.15. Please do not remove it before
# we baseline on a newer version. It does not like duplicate target declarations. Work around that by checking it isn't
# defined first.
if (TARGET crypto OR TARGET AWS::crypto)
if (TARGET crypto)
set(TARGET_NAME "crypto")
else()
set(TARGET_NAME "AWS::crypto")
endif()
get_target_property(crypto_INCLUDE_DIR ${TARGET_NAME} INTERFACE_INCLUDE_DIRECTORIES)
message(STATUS "S2N found target: ${TARGET_NAME}")
message(STATUS "crypto Include Dir: ${crypto_INCLUDE_DIR}")
set(CRYPTO_FOUND true)
set(crypto_FOUND true)
else()
find_path(crypto_INCLUDE_DIR
NAMES openssl/crypto.h
HINTS
"${CMAKE_PREFIX_PATH}"
"${CMAKE_INSTALL_PREFIX}"
PATH_SUFFIXES include
)
find_library(crypto_SHARED_LIBRARY
NAMES libcrypto.so libcrypto.dylib
HINTS
"${CMAKE_PREFIX_PATH}"
"${CMAKE_INSTALL_PREFIX}"
PATH_SUFFIXES build/crypto build lib64 lib
)
find_library(crypto_STATIC_LIBRARY
NAMES libcrypto.a
HINTS
"${CMAKE_PREFIX_PATH}"
"${CMAKE_INSTALL_PREFIX}"
PATH_SUFFIXES build/crypto build lib64 lib
)
if (NOT crypto_LIBRARY)
if (BUILD_SHARED_LIBS OR S2N_USE_CRYPTO_SHARED_LIBS)
if (crypto_SHARED_LIBRARY)
set(crypto_LIBRARY ${crypto_SHARED_LIBRARY})
else()
set(crypto_LIBRARY ${crypto_STATIC_LIBRARY})
endif()
else()
if (crypto_STATIC_LIBRARY)
set(crypto_LIBRARY ${crypto_STATIC_LIBRARY})
else()
set(crypto_LIBRARY ${crypto_SHARED_LIBRARY})
endif()
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(crypto DEFAULT_MSG
crypto_LIBRARY
crypto_INCLUDE_DIR
)
mark_as_advanced(
crypto_ROOT_DIR
crypto_INCLUDE_DIR
crypto_LIBRARY
crypto_SHARED_LIBRARY
crypto_STATIC_LIBRARY
)
# some versions of cmake have a super esoteric bug around capitalization differences between
# find dependency and find package, just avoid that here by checking and
# setting both.
if(CRYPTO_FOUND OR crypto_FOUND)
set(CRYPTO_FOUND true)
set(crypto_FOUND true)
message(STATUS "LibCrypto Include Dir: ${crypto_INCLUDE_DIR}")
message(STATUS "LibCrypto Shared Lib: ${crypto_SHARED_LIBRARY}")
message(STATUS "LibCrypto Static Lib: ${crypto_STATIC_LIBRARY}")
if (NOT TARGET crypto AND
(EXISTS "${crypto_LIBRARY}")
)
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
add_library(AWS::crypto UNKNOWN IMPORTED)
set_target_properties(AWS::crypto PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${crypto_INCLUDE_DIR}")
set_target_properties(AWS::crypto PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${crypto_LIBRARY}")
add_dependencies(AWS::crypto Threads::Threads)
endif()
endif()
endif()
|
