Fix macOS build

knurling-rs · Jan 15, 2021 · 39706f9 · 39706f9
1 parent 970f779
commit 39706f9
Showing 1 changed file with 35 additions and 18 deletions.
diff --git a/macros/src/lib.rs b/macros/src/lib.rs
@@ -160,28 +160,45 @@ pub fn timestamp(ts: TokenStream) -> TokenStream {
         Err(e) => return e.to_compile_error().into(),
     };
 
-    quote!(
-        const _: () = {
-            #[export_name = "_defmt_timestamp"]
-            fn defmt_timestamp(fmt: ::defmt::Formatter<'_>) {
-                match (fmt.inner, #(&(#args)),*) {
-                    (_fmt_, #(#pats),*) => {
-                        // NOTE: No format string index, and no finalize call.
-                        #(#exprs;)*
+    if cfg!(feature = "unstable-test") {
+        // Only check that the formatting arguments compile.
+        quote!(
+            const _: () = {
+                fn defmt_timestamp(fmt: ::defmt::Formatter<'_>) {
+                    match (fmt.inner, #(&(#args)),*) {
+                        (_fmt_, #(#pats),*) => {
+                            // NOTE: No format string index, and no finalize call.
+                            #(#exprs;)*
+                        }
+                    }
+                }
+            };
+        )
+        .into()
+    } else {
+        quote!(
+            const _: () = {
+                #[export_name = "_defmt_timestamp"]
+                fn defmt_timestamp(fmt: ::defmt::Formatter<'_>) {
+                    match (fmt.inner, #(&(#args)),*) {
+                        (_fmt_, #(#pats),*) => {
+                            // NOTE: No format string index, and no finalize call.
+                            #(#exprs;)*
+                        }
                     }
                 }
-            }
 
-            #sym;
+                #sym;
 
-            // Unique symbol name to prevent multiple `timestamp!` invocations in the crate graph.
-            // Uses `#symname` to ensure it is not discarded by the linker.
-            #[no_mangle]
-            #[link_section = ".defmt.end.timestamp"]
-            static __DEFMT_MARKER_TIMESTAMP_WAS_DEFINED: &u8 = &#symname;
-        };
-    )
-    .into()
+                // Unique symbol name to prevent multiple `timestamp!` invocations in the crate graph.
+                // Uses `#symname` to ensure it is not discarded by the linker.
+                #[no_mangle]
+                #[link_section = ".defmt.end.timestamp"]
+                static __DEFMT_MARKER_TIMESTAMP_WAS_DEFINED: &u8 = &#symname;
+            };
+        )
+        .into()
+    }
 }
 
 // returns a list of features of which one has to be enabled for `level` to be active