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CMake: Add build time check for EVP_PKEY_get_raw_public_key() availability

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We need the function since 9dbbfcd388, but unfortunately it's not provided by LibreSSL.

By introducing a build time check we inform the user about the issue explicitly instead of just letting compilation fail.
This commit is contained in:
Davide Beatrici 2021-08-08 19:29:32 +02:00
parent b6d31af188
commit ffc095f95a
1 changed files with 15 additions and 0 deletions
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15
src/Mayaqua/CMakeLists.txt
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@ -17,6 +17,21 @@ set_target_properties(mayaqua
)
find_package(OpenSSL REQUIRED)
include(CheckSymbolExists)
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES OpenSSL::Crypto)
check_symbol_exists(EVP_PKEY_get_raw_public_key "openssl/evp.h" HAVE_EVP_PKEY_GET_RAW_PUBLIC_KEY)
unset(CMAKE_REQUIRED_INCLUDES)
unset(CMAKE_REQUIRED_LIBRARIES)
if(NOT HAVE_EVP_PKEY_GET_RAW_PUBLIC_KEY)
message(FATAL_ERROR "Required EVP_PKEY_get_raw_public_key() not found in OpenSSL library!")
endif()
find_package(ZLIB REQUIRED)
# Required because we include <openssl/opensslv.h> in Encrypt.h.