X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fcmake%2Fsyscall.cmake;h=aa3bac45372c63a6b65b18103ce31b46d6293e8a;hb=4fbb9daa90b53e0abaa060cf6db7762e708ce5b6;hp=1e0a559b5df658eba3373c5ab3754852cc63efbe;hpb=1ee346a0a61b454a1ce879f97cb9c06267d1e107;p=vpp.git

diff --git a/src/cmake/syscall.cmake b/src/cmake/syscall.cmake
index 1e0a559b5df..aa3bac45372 100644
--- a/src/cmake/syscall.cmake
+++ b/src/cmake/syscall.cmake
@@ -34,3 +34,12 @@ if (HAVE_GETCPU)
     add_definitions(-DHAVE_GETCPU)
 endif()
 
+check_c_source_compiles("
+  #define _GNU_SOURCE
+  #include <fcntl.h>
+  int main() { return fcntl64 (0, 0); }
+" HAVE_FCNTL64)
+
+if (HAVE_FCNTL64)
+    add_definitions(-DHAVE_FCNTL64)
+endif()