From 769221039337b014b31a0ec64b16b0ed32423786 Mon Sep 17 00:00:00 2001
From: Ilya Shipitsin <chipitsine@gmail.com>
Date: Sat, 10 Jul 2021 17:27:15 +0500
Subject: [PATCH] add build time check for EVP_PKEY_get_raw_public_key()
 function

---
 src/Mayaqua/CMakeLists.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Mayaqua/CMakeLists.txt b/src/Mayaqua/CMakeLists.txt
index 6bca56de..af36a165 100644
--- a/src/Mayaqua/CMakeLists.txt
+++ b/src/Mayaqua/CMakeLists.txt
@@ -1,3 +1,5 @@
+include(CheckFunctionExists)
+
 file(GLOB SOURCES_MAYAQUA "*.c" "Crypto/*.c")
 file(GLOB HEADERS_MAYAQUA "*.h" "Crypto/*.h")
 
@@ -30,6 +32,15 @@ target_link_libraries(mayaqua
     ZLIB::ZLIB
 )
 
+set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
+set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY})
+
+check_function_exists(EVP_PKEY_get_raw_public_key HAVE_OPENSSL_EVP_PKEY)
+
+if(NOT HAVE_OPENSSL_EVP_PKEY)
+        message(FATAL_ERROR "required EVP_PKEY_get_raw_public_key() is not found in OpenSSL library")
+endif()
+
 if(WIN32)
   set_target_properties(mayaqua
     PROPERTIES