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Diffstat (limited to 'CMake/FindNGTCP2.cmake')
| -rw-r--r-- | CMake/FindNGTCP2.cmake | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/CMake/FindNGTCP2.cmake b/CMake/FindNGTCP2.cmake new file mode 100644 index 000000000..a1ed8cd4b --- /dev/null +++ b/CMake/FindNGTCP2.cmake @@ -0,0 +1,113 @@ +#*************************************************************************** +# _ _ ____ _ +# Project ___| | | | _ \| | +# / __| | | | |_) | | +# | (__| |_| | _ <| |___ +# \___|\___/|_| \_\_____| +# +# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al. +# +# This software is licensed as described in the file COPYING, which +# you should have received as part of this distribution. The terms +# are also available at https://curl.haxx.se/docs/copyright.html. +# +# You may opt to use, copy, modify, merge, publish, distribute and/or sell +# copies of the Software, and permit persons to whom the Software is +# furnished to do so, under the terms of the COPYING file. +# +# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY +# KIND, either express or implied. +# +########################################################################### + +#[=======================================================================[.rst: +FindNGTCP2 +---------- + +Find the ngtcp2 library + +This module accepts optional COMPONENTS to control the crypto library (these are +mutually exclusive):: + + OpenSSL: Use libngtcp2_crypto_openssl + GnuTLS: Use libngtcp2_crypto_gnutls + +Result Variables +^^^^^^^^^^^^^^^^ + +``NGTCP2_FOUND`` + System has ngtcp2 +``NGTCP2_INCLUDE_DIRS`` + The ngtcp2 include directories. +``NGTCP2_LIBRARIES`` + The libraries needed to use ngtcp2 +``NGTCP2_VERSION`` + version of ngtcp2. +#]=======================================================================] + +if(UNIX) + find_package(PkgConfig QUIET) + pkg_search_module(PC_NGTCP2 libngtcp2) +endif() + +find_path(NGTCP2_INCLUDE_DIR ngtcp2/ngtcp2.h + HINTS + ${PC_NGTCP2_INCLUDEDIR} + ${PC_NGTCP2_INCLUDE_DIRS} +) + +find_library(NGTCP2_LIBRARY NAMES ngtcp2 + HINTS + ${PC_NGTCP2_LIBDIR} + ${PC_NGTCP2_LIBRARY_DIRS} +) + +if(PC_NGTCP2_VERSION) + set(NGTCP2_VERSION ${PC_NGTCP2_VERSION}) +endif() + +if(NGTCP2_FIND_COMPONENTS) + set(NGTCP2_CRYPTO_BACKEND "") + foreach(component IN LISTS NGTCP2_FIND_COMPONENTS) + if(component MATCHES "^(OpenSSL|GnuTLS)") + if(NGTCP2_CRYPTO_BACKEND) + message(FATAL_ERROR "NGTCP2: Only one crypto library can be selected") + endif() + set(NGTCP2_CRYPTO_BACKEND ${component}) + endif() + endforeach() + + if(NGTCP2_CRYPTO_BACKEND) + string(TOLOWER "ngtcp2_crypto_${NGTCP2_CRYPTO_BACKEND}" _crypto_library) + if(UNIX) + pkg_search_module(PC_${_crypto_library} lib${_crypto_library}) + endif() + find_library(${_crypto_library}_LIBRARY + NAMES + ${_crypto_library} + HINTS + ${PC_${_crypto_library}_LIBDIR} + ${PC_${_crypto_library}_LIBRARY_DIRS} + ) + if(${_crypto_library}_LIBRARY) + set(NGTCP2_${NGTCP2_CRYPTO_BACKEND}_FOUND TRUE) + set(NGTCP2_CRYPTO_LIBRARY ${${_crypto_library}_LIBRARY}) + endif() + endif() +endif() + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(NGTCP2 + REQUIRED_VARS + NGTCP2_LIBRARY + NGTCP2_INCLUDE_DIR + VERSION_VAR NGTCP2_VERSION + HANDLE_COMPONENTS +) + +if(NGTCP2_FOUND) + set(NGTCP2_LIBRARIES ${NGTCP2_LIBRARY} ${NGTCP2_CRYPTO_LIBRARY}) + set(NGTCP2_INCLUDE_DIRS ${NGTCP2_INCLUDE_DIR}) +endif() + +mark_as_advanced(NGTCP2_INCLUDE_DIRS NGTCP2_LIBRARIES) |