only emit c-string literals on Rust 1.79 and later (#4352) (#4353)

* only emit c-string literals on Rust 1.79 and later (#4352) * add newsfragment
PyO3 · Jul 17, 2024 · da9f52e · da9f52e
1 parent 3d7e5a3
commit da9f52e
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diff --git a/newsfragments/4353.fixed.md b/newsfragments/4353.fixed.md
@@ -0,0 +1 @@
+fixed compile error due to c-string literals on Rust < 1.79
diff --git a/pyo3-build-config/src/lib.rs b/pyo3-build-config/src/lib.rs
@@ -143,7 +143,7 @@ pub fn print_feature_cfgs() {
         println!("cargo:rustc-cfg=invalid_from_utf8_lint");
     }
 
-    if rustc_minor_version >= 77 {
+    if rustc_minor_version >= 79 {
         println!("cargo:rustc-cfg=c_str_lit");
     }