vcl: better handlig of ldp apis that rely on gnu source

[vpp.git] / src / vcl / CMakeLists.txt

diff --git a/src/vcl/CMakeLists.txt b/src/vcl/CMakeLists.txt
index e6d8f98..610b422 100644 (file)
--- a/src/vcl/CMakeLists.txt
+++ b/src/vcl/CMakeLists.txt
@@ -30,6 +30,11 @@ add_vpp_library(vppcom
   api_headers
 )
 
+option(LDP_HAS_GNU_SOURCE "LDP configured to use _GNU_SOURCE" ON)
+if (LDP_HAS_GNU_SOURCE)
+  add_compile_definitions(HAVE_GNU_SOURCE)
+endif(LDP_HAS_GNU_SOURCE)
+
 add_vpp_library(vcl_ldpreload
   SOURCES
   ldp_socket_wrapper.c