Properly handle ULP sources in incremental builds

Resolves #1320
2024-03-04 16:45:34 +02:00
parent 9b0c95d4a7
commit f3953f8a6d
1 changed files with 7 additions and 2 deletions
@@ -124,14 +124,19 @@ def compile_ulp_binary():
        "build",
    )

-    return ulp_env.Command(
+    # The `build.ninja` dependency is always generated with the same content
+    # so a cloned environment with a decider that depends on a timestamp is used
+    ulp_binary_env = ulp_env.Clone()
+    ulp_binary_env.Decider("timestamp-newer")
+
+    return ulp_binary_env.Command(
        [
            os.path.join(ULP_BUILD_DIR, "ulp_main.h"),
            os.path.join(ULP_BUILD_DIR, "ulp_main.ld"),
            os.path.join(ULP_BUILD_DIR, "ulp_main.bin"),
        ],
        None,
-        ulp_env.VerboseAction(" ".join(cmd), "Generating ULP project files $TARGETS"),
+        ulp_binary_env.VerboseAction(" ".join(cmd), "Generating ULP project files $TARGETS"),
    )