diff --git a/lib/posix/CMakeLists.txt b/lib/posix/CMakeLists.txt
index 19fede849bf..ed9a7c416eb 100644
--- a/lib/posix/CMakeLists.txt
+++ b/lib/posix/CMakeLists.txt
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 
-add_library(posix_subsys INTERFACE)
+zephyr_interface_library_named(posix_subsys)
 
 target_include_directories(posix_subsys INTERFACE ${ZEPHYR_BASE}/include/posix)
 
diff --git a/lib/posix/Kconfig b/lib/posix/Kconfig
index ef8e6063876..268a22a26f2 100644
--- a/lib/posix/Kconfig
+++ b/lib/posix/Kconfig
@@ -96,4 +96,12 @@ config	POSIX_MAX_OPEN_FILES
 endif
 endif # FILE_SYSTEM
 
+# The name of this option is mandated by zephyr_interface_library_named
+# cmake directive.
+config APP_LINK_WITH_POSIX_SUBSYS
+        bool "Make POSIX headers available to application"
+        default y
+        help
+          Add POSIX subsystem header files to the 'app' include path.
+
 endif # POSIX_API