nat: correct detection of icmp bypass presence

[vpp.git] / src / cmake / syscall.cmake

diff --git a/src/cmake/syscall.cmake b/src/cmake/syscall.cmake
index 1e0a559..6a4c75e 100644 (file)
--- a/src/cmake/syscall.cmake
+++ b/src/cmake/syscall.cmake
@@ -11,26 +11,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-##############################################################################
-# Check for memfd_create headers and libs
-##############################################################################
 check_c_source_compiles("
   #define _GNU_SOURCE
-  #include <sys/mman.h>
-  int main() { return memfd_create (\"/dev/false\", 0); }
-" HAVE_MEMFD_CREATE)
+  #include <fcntl.h>
+  int main() { return fcntl64 (0, 0); }
+" HAVE_FCNTL64)
 
-if (HAVE_MEMFD_CREATE)
-    add_definitions(-DHAVE_MEMFD_CREATE)
+if (HAVE_FCNTL64)
+    add_definitions(-DHAVE_FCNTL64)
 endif()
-
-check_c_source_compiles("
-  #define _GNU_SOURCE
-  #include <sched.h>
-  int main() { return getcpu (0, 0); }
-" HAVE_GETCPU)
-
-if (HAVE_GETCPU)
-    add_definitions(-DHAVE_GETCPU)
-endif()
-