avoid MSVC warning via flag_if_supported

1 files changed, 1 insertions, 1 deletions

diff --git a/build.rs b/build.rs
index 16837f36..9a071fe5 100644
--- a/build.rs
+++ b/build.rs
@@ -3,7 +3,7 @@ fn main() {
         .file("src/cxx.cc")
         .cpp(true)
         .cpp_link_stdlib(None) // linked via link-cplusplus crate
-        .flag("-std=c++11")
+        .flag_if_supported("-std=c++11")
         .compile("cxxbridge03");
     println!("cargo:rerun-if-changed=src/cxx.cc");
     println!("cargo:rerun-if-changed=include/cxx.h");