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cmake: support ngtcp2 boringssl backend

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Update the ngtcp2 find module to detect the boringssl backend. Determine
if the underlying OpenSSL implementation is BoringSSL and if so use that
as the ngtcp2 backend.

Reviewed-by: Jakub Zakrzewski
Closes #9065
This commit is contained in:
Don 2022-06-28 15:33:25 -07:00 committed by Daniel Stenberg
parent 3622bf4e79
commit 7f8b36b074
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GPG Key ID: 5CC908FDB71E12C2
2 changed files with 8 additions and 3 deletions
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2
CMake/FindNGTCP2.cmake
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@ -71,7 +71,7 @@ endif()
if(NGTCP2_FIND_COMPONENTS)
set(NGTCP2_CRYPTO_BACKEND "")
foreach(component IN LISTS NGTCP2_FIND_COMPONENTS)
if(component MATCHES "^(OpenSSL|GnuTLS)")
if(component MATCHES "^(BoringSSL|OpenSSL|GnuTLS)")
if(NGTCP2_CRYPTO_BACKEND)
message(FATAL_ERROR "NGTCP2: Only one crypto library can be selected")
endif()

9
CMakeLists.txt
View File

@ -451,6 +451,7 @@ if(CURL_USE_OPENSSL)
check_symbol_exists(RAND_status "${CURL_INCLUDES}" HAVE_RAND_STATUS)
check_symbol_exists(RAND_screen "${CURL_INCLUDES}" HAVE_RAND_SCREEN)
check_symbol_exists(RAND_egd "${CURL_INCLUDES}" HAVE_RAND_EGD)
check_symbol_exists(OPENSSL_IS_BORINGSSL "openssl/base.h" HAVE_BORINGSSL)
add_definitions(-DOPENSSL_SUPPRESS_DEPRECATED)
endif()
@ -506,7 +507,7 @@ function(CheckQuicSupportInOpenSSL)
set(CMAKE_REQUIRED_LIBRARIES "${OPENSSL_LIBRARIES}")
check_symbol_exists(SSL_CTX_set_quic_method "openssl/ssl.h" HAVE_SSL_CTX_SET_QUIC_METHOD)
if(NOT HAVE_SSL_CTX_SET_QUIC_METHOD)
message(FATAL_ERROR "QUIC support is missing in OpenSSL/boringssl. Try setting -DOPENSSL_ROOT_DIR")
message(FATAL_ERROR "QUIC support is missing in OpenSSL/BoringSSL. Try setting -DOPENSSL_ROOT_DIR")
endif()
cmake_pop_check_state()
endfunction()
@ -514,7 +515,11 @@ endfunction()
option(USE_NGTCP2 "Use ngtcp2 and nghttp3 libraries for HTTP/3 support" OFF)
if(USE_NGTCP2)
if(USE_OPENSSL)
find_package(NGTCP2 REQUIRED OpenSSL)
if(HAVE_BORINGSSL)
find_package(NGTCP2 REQUIRED BoringSSL)
else()
find_package(NGTCP2 REQUIRED OpenSSL)
endif()
CheckQuicSupportInOpenSSL()
elseif(USE_GNUTLS)
# TODO add GnuTLS support as vtls library.