Import num-traits-0.2.12

Test: None
Change-Id: I3af988183dbde11bc127f0ad9c3abc6068cf2672

1 files changed, 18 insertions, 0 deletions

diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..891fa09
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,18 @@
+extern crate autocfg;
+
+use std::env;
+
+fn main() {
+    let ac = autocfg::new();
+    if ac.probe_type("i128") {
+        println!("cargo:rustc-cfg=has_i128");
+    } else if env::var_os("CARGO_FEATURE_I128").is_some() {
+        panic!("i128 support was not detected!");
+    }
+    ac.emit_expression_cfg(
+        "unsafe { 1f64.to_int_unchecked::<i32>() }",
+        "has_to_int_unchecked",
+    );
+
+    autocfg::rerun_path("build.rs");
+}