Temporary experiment to see why win32 is failing

dlang · Oct 16, 2019 · 31a1417 · 31a1417
1 parent 1ed9c3e
commit 31a1417
Showing 1 changed file with 14 additions and 4 deletions.
diff --git a/src/build.d b/src/build.d
@@ -452,10 +452,20 @@ alias checkwhitespace = memoize!(function()
         name = "checkwhitespace";
         description = "Checks for trailing whitespace and tabs";
         deps = [toolsRepo];
-        // TODO: do we need this? CC=env["HOST_CXX"]
-        command = [env["HOST_DMD_RUN"], "-run", env["TOOLS_DIR"].buildPath("checkwhitespace.d")]
-            .chain(.sources.dmd, .sources.root, .sources.lexer, .sources.backend, .sources.cheaders).array;
-        msg = command.join(" ");
+        commandFunction = ()
+        {
+            const cmdPrefix = [env["HOST_DMD_RUN"], "-run", env["TOOLS_DIR"].buildPath("checkwhitespace.d")];
+            const allSources = chain(.sources.dmd, .sources.root, .sources.lexer, .sources.backend, .sources.cheaders).array;
+            auto chunkLength = allSources.length;
+            version (Win32)
+                chunkLength = 80; // avoid command-line limit on win32
+            foreach (nextSources; allSources.chunks(chunkLength).parallel(1))
+            {
+                const nextCommand = cmdPrefix ~ nextSources;
+                writefln(nextCommand.join(" "));
+                run(nextCommand);
+            }
+        };
     }
     return new DependencyRef(dep);
 });