diff --git a/cc/makevars.go b/cc/makevars.go
index 770e1d0..7f1063f 100644
--- a/cc/makevars.go
+++ b/cc/makevars.go
@@ -36,6 +36,7 @@
 	ctx.Strict("CLANG_CXX", "${config.ClangBin}/clang++")
 	ctx.Strict("LLVM_AS", "${config.ClangBin}/llvm-as")
 	ctx.Strict("LLVM_LINK", "${config.ClangBin}/llvm-link")
+	ctx.Strict("PATH_TO_CLANG_TIDY", "${config.ClangBin}/clang-tidy")
 	ctx.StrictSorted("CLANG_CONFIG_UNKNOWN_CFLAGS", strings.Join(config.ClangUnknownCflags, " "))
 
 	ctx.Strict("GLOBAL_CFLAGS_NO_OVERRIDE", "${config.NoOverrideGlobalCflags}")
@@ -52,6 +53,10 @@
 	ctx.Strict("DEFAULT_CPP_STD_VERSION", config.CppStdVersion)
 	ctx.Strict("DEFAULT_GCC_CPP_STD_VERSION", config.GccCppStdVersion)
 
+	ctx.Strict("DEFAULT_GLOBAL_TIDY_CHECKS", "${config.TidyDefaultGlobalChecks}")
+	ctx.Strict("DEFAULT_LOCAL_TIDY_CHECKS", joinLocalTidyChecks(config.DefaultLocalTidyChecks))
+	ctx.Strict("DEFAULT_TIDY_HEADER_DIRS", "${config.TidyDefaultHeaderDirs}")
+
 	includeFlags, err := ctx.Eval("${config.CommonGlobalIncludes} ${config.CommonGlobalSystemIncludes}")
 	if err != nil {
 		panic(err)
@@ -257,3 +262,11 @@
 
 	return includes, systemIncludes
 }
+
+func joinLocalTidyChecks(checks []config.PathBasedTidyCheck) string {
+	rets := make([]string, len(checks))
+	for i, check := range config.DefaultLocalTidyChecks {
+		rets[i] = check.PathPrefix + ":" + check.Checks
+	}
+	return strings.Join(rets, " ")
+}