diff options
Diffstat (limited to 'vendor/proc-macro2/build.rs')
-rw-r--r-- | vendor/proc-macro2/build.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/vendor/proc-macro2/build.rs b/vendor/proc-macro2/build.rs index 38404967d..b69d813f0 100644 --- a/vendor/proc-macro2/build.rs +++ b/vendor/proc-macro2/build.rs @@ -111,7 +111,10 @@ fn main() { println!("cargo:rustc-cfg=wrap_proc_macro"); } - if version.nightly && feature_allowed("proc_macro_span") { + if version.nightly + && feature_allowed("proc_macro_span") + && feature_allowed("proc_macro_span_shrink") + { println!("cargo:rustc-cfg=proc_macro_span"); } |