1 files changed, 25 insertions, 0 deletions
diff --git a/compiler_wrapper/libgcc_flags.go b/compiler_wrapper/libgcc_flags.go
new file mode 100644
index 00000000..72fa8381
--- /dev/null
+++ b/compiler_wrapper/libgcc_flags.go
@@ -0,0 +1,25 @@
+// Copyright 2021 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package main
+
+import (
+	"strings"
+)
+
+// Add "-static-libgcc" flag to compiler command line unless
+// already specified by user or user has passed "-shared-libgcc".
+func processLibGCCFlags(builder *commandBuilder) {
+	fromUser := false
+	for _, arg := range builder.args {
+		if arg.fromUser && (strings.HasPrefix(arg.value, "-shared-libgcc") ||
+			strings.HasPrefix(arg.value, "-static-libgcc")) {
+			fromUser = true
+			break
+		}
+	}
+	if !fromUser {
+		builder.addPreUserArgs("-static-libgcc")
+	}
+}