cmake: check accept4 only on linux (#1157)

Looks like iOS SDK is incorrectly detecting accept4 support
baresip · Jul 20, 2024 · db1ad51 · db1ad51
1 parent 542a859
commit db1ad51
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/cmake/re-config.cmake b/cmake/re-config.cmake
@@ -80,9 +80,11 @@ if(HAVE_THREADS)
   list(APPEND RE_DEFINITIONS HAVE_THREADS)
 endif()
 
-check_function_exists(accept4 HAVE_ACCEPT4)
-if(HAVE_ACCEPT4)
-  list(APPEND RE_DEFINITIONS HAVE_ACCEPT4)
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+  check_function_exists(accept4 HAVE_ACCEPT4)
+  if(HAVE_ACCEPT4)
+    list(APPEND RE_DEFINITIONS HAVE_ACCEPT4)
+  endif()
 endif()
 
 if(CMAKE_USE_PTHREADS_INIT)