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# - Try to find libngtcp2_crypto_openssl
# Once done this will define
# LIBNGTCP2_CRYPTO_OPENSSL_FOUND - System has libngtcp2_crypto_openssl
# LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIRS - The libngtcp2_crypto_openssl include directories
# LIBNGTCP2_CRYPTO_OPENSSL_LIBRARIES - The libraries needed to use libngtcp2_crypto_openssl
find_package(PkgConfig QUIET)
pkg_check_modules(PC_LIBNGTCP2_CRYPTO_OPENSSL QUIET libngtcp2_crypto_openssl)
find_path(LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIR
NAMES ngtcp2/ngtcp2_crypto_openssl.h
HINTS ${PC_LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIRS}
)
find_library(LIBNGTCP2_CRYPTO_OPENSSL_LIBRARY
NAMES ngtcp2_crypto_openssl
HINTS ${PC_LIBNGTCP2_CRYPTO_OPENSSL_LIBRARY_DIRS}
)
if(LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIR)
set(_version_regex "^#define[ \t]+NGTCP2_VERSION[ \t]+\"([^\"]+)\".*")
file(STRINGS "${LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIR}/ngtcp2/version.h"
LIBNGTCP2_CRYPTO_OPENSSL_VERSION REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1"
LIBNGTCP2_CRYPTO_OPENSSL_VERSION "${LIBNGTCP2_CRYPTO_OPENSSL_VERSION}")
unset(_version_regex)
endif()
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set
# LIBNGTCP2_CRYPTO_OPENSSL_FOUND to TRUE if all listed variables are
# TRUE and the requested version matches.
find_package_handle_standard_args(Libngtcp2_crypto_openssl REQUIRED_VARS
LIBNGTCP2_CRYPTO_OPENSSL_LIBRARY
LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIR
VERSION_VAR LIBNGTCP2_CRYPTO_OPENSSL_VERSION)
if(LIBNGTCP2_CRYPTO_OPENSSL_FOUND)
set(LIBNGTCP2_CRYPTO_OPENSSL_LIBRARIES ${LIBNGTCP2_CRYPTO_OPENSSL_LIBRARY})
set(LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIRS ${LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIR})
endif()
mark_as_advanced(LIBNGTCP2_CRYPTO_OPENSSL_INCLUDE_DIR
LIBNGTCP2_CRYPTO_OPENSSL_LIBRARY)
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