diff --git a/lib/Makefile.am b/lib/Makefile.am
index e76e7446a9..568049e77f 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -202,6 +202,8 @@ libshadow_la_SOURCES = \
 	string/strcpy/strncpy.h \
 	string/strcpy/strtcpy.c \
 	string/strcpy/strtcpy.h \
+	string/strdup/strdupa.c \
+	string/strdup/strdupa.h \
 	string/strdup/strndupa.c \
 	string/strdup/strndupa.h \
 	string/strdup/xstrdup.c \
diff --git a/lib/string/strdup/strdupa.c b/lib/string/strdup/strdupa.c
new file mode 100644
index 0000000000..0263f8468d
--- /dev/null
+++ b/lib/string/strdup/strdupa.c
@@ -0,0 +1,7 @@
+// SPDX-FileCopyrightText: 2025, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#include <config.h>
+
+#include "string/strdup/strdupa.h"
diff --git a/lib/string/strdup/strdupa.h b/lib/string/strdup/strdupa.h
new file mode 100644
index 0000000000..bb7901fab2
--- /dev/null
+++ b/lib/string/strdup/strdupa.h
@@ -0,0 +1,18 @@
+// SPDX-FileCopyrightText: 2025, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#ifndef SHADOW_INCLUDE_LIB_STRING_STRDUP_STRDUPA_H_
+#define SHADOW_INCLUDE_LIB_STRING_STRDUP_STRDUPA_H_
+
+
+#include <config.h>
+
+#include <string.h>
+
+
+// strdupa(3), but make sure that the argument is a string literal.
+#define STRDUPA(s)  strdupa("" s "")
+
+
+#endif  // include guard