Explicitly use build.rs in Cargo.toml

cuviper · cuviper · commit 203a3db02802 · 2018-10-03T09:58:05.000-07:00
This is needed for older compilers, even though we know they won't have
i128 support anyway...
diff --git a/Cargo.toml b/Cargo.toml
@@ -10,6 +10,7 @@ name = "num-derive"
 repository = "https://github.com/rust-num/num-derive"
 version = "0.2.2"
 readme = "README.md"
+build = "build.rs"
 
 [dependencies]
 num-traits = "0.2"
