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include (CheckFunctionExists)
# We should rely on a picotls specific version, but as
# we expect dependancies to be built with vpp-ext-deps
# it's reasonable to make this check to avoid breaking
# existing builds when upgrading the quicly/picotls
# versions
set(EXPECTED_QUICLY_VERSION "0.1.3-vpp")
vpp_find_path(QUICLY_INCLUDE_DIR NAMES quicly.h)
vpp_find_path(PICOTLS_INCLUDE_DIR NAMES picotls.h)
vpp_find_library(PICOTLS_CORE_LIBRARY NAMES "libpicotls-core.a")
vpp_find_library(PICOTLS_OPENSSL_LIBRARY NAMES "libpicotls-openssl.a")
list (APPEND PICOTLS_LINK_LIBRARIES
${PICOTLS_CORE_LIBRARY}
${PICOTLS_OPENSSL_LIBRARY}
)
if(QUICLY_INCLUDE_DIR AND PICOTLS_INCLUDE_DIR AND PICOTLS_LINK_LIBRARIES)
if(EXISTS "${QUICLY_INCLUDE_DIR}/quicly/version.h")
file(STRINGS "${QUICLY_INCLUDE_DIR}/quicly/version.h" quicly_version_str REGEX "^#define[\t ]+LIBQUICLY_VERSION[\t ]+\".*\"")
string(REGEX REPLACE "^#define[\t ]+LIBQUICLY_VERSION[\t ]+\"([^\"]*)\".*" "\\1" QUICLY_VERSION_STRING "${quicly_version_str}")
unset(quicly_version_str)
endif()
if (${QUICLY_VERSION_STRING} MATCHES "${EXPECTED_QUICLY_VERSION}")
include_directories (${PICOTLS_INCLUDE_DIR})
add_vpp_plugin(tlspicotls
SOURCES
tls_picotls.c
pico_vpp_crypto.c
certs.c
LINK_LIBRARIES ${PICOTLS_LINK_LIBRARIES} ${OPENSSL_LIBRARIES}
)
message (STATUS "Found picotls in ${PICOTLS_INCLUDE_DIR} and ${PICOTLS_CORE_LIBRARY}")
else()
message(STATUS "-- quicly ${EXPECTED_QUICLY_VERSION} not found - tlspicotls plugin disabled")
endif()
else ()
message (WARNING "-- picotls not found - tlspicotls plugin disabled")
endif ()
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