diff --git a/basis/elevate/linux/platforms.txt b/basis/elevate/linux/platforms.txt
index e69de29bb2..a08e1f35eb 100644
--- a/basis/elevate/linux/platforms.txt
+++ b/basis/elevate/linux/platforms.txt
@@ -0,0 +1 @@
+linux
diff --git a/basis/elevate/macosx/platforms.txt b/basis/elevate/macosx/platforms.txt
index e69de29bb2..6e806f449e 100644
--- a/basis/elevate/macosx/platforms.txt
+++ b/basis/elevate/macosx/platforms.txt
@@ -0,0 +1 @@
+macosx
diff --git a/basis/elevate/unix/platforms.txt b/basis/elevate/unix/platforms.txt
index e69de29bb2..509143d863 100644
--- a/basis/elevate/unix/platforms.txt
+++ b/basis/elevate/unix/platforms.txt
@@ -0,0 +1 @@
+unix
diff --git a/basis/elevate/windows/platforms.txt b/basis/elevate/windows/platforms.txt
index e69de29bb2..8e1a55995e 100644
--- a/basis/elevate/windows/platforms.txt
+++ b/basis/elevate/windows/platforms.txt
@@ -0,0 +1 @@
+windows