Changed check_function_exists on check_symbol_exists in curl.cmake

Replaced the check_function_exists usage with check_symbol_exists in olp-cpp-sdk-core/cmake/curl.cmake.

Resolves: OLPSUP-8788

Signed-off-by: Yauheni Khnykin <[email protected]>
Signed-off-by: Bohdan Kurylovych <[email protected]>

Author: Bohdan Kurylovych

olp-cpp-sdk-core/cmake/curl.cmake

@@ -40,14 +40,14 @@ if(CURL_FOUND AND NOT NETWORK_NO_CURL)
         add_definitions(-DENABLE_CURL_VERBOSE)
     endif()
 
-    include(CheckFunctionExists)
+    include(CheckSymbolExists)
     add_definitions(-DNETWORK_HAS_UNISTD_H=1)
-    check_function_exists("pipe" HAS_PIPE)
-    if(HAS_PIPE)
+    check_symbol_exists(pipe "unistd.h" OLP_SDK_HAS_PIPE)
+    if(OLP_SDK_HAS_PIPE)
         add_definitions(-DNETWORK_HAS_PIPE=1)
     endif()
-    check_function_exists("pipe2" HAS_PIPE2)
-    if(HAS_PIPE2)
+    check_symbol_exists(pipe2 "unistd.h" OLP_SDK_HAS_PIPE2)
+    if(OLP_SDK_HAS_PIPE2)
         add_definitions(-DNETWORK_HAS_PIPE2=1)
     endif()