gn build: restore tablegen restat optimization after r373664

llvm-svn: 374395
2019-10-10 17:47:18 +00:00 · 2019-10-10 17:47:18 +00:00 · 5ff60e160a
parent 47b33dcc0d
commit 5ff60e160a
1 changed files with 2 additions and 0 deletions
--- a/llvm/utils/gn/secondary/llvm/utils/TableGen/tablegen.gni
+++ b/llvm/utils/gn/secondary/llvm/utils/TableGen/tablegen.gni
@ -66,6 +66,8 @@ template("tablegen") {

    args = [
             rebase_path(tblgen_executable, root_build_dir),
+             "--write-if-changed",
+
             "-I",
             rebase_path("//llvm/include", root_build_dir),