diff --git a/Libraries/gmp/5/variants b/Libraries/gmp/5/variants
new file mode 100644
index 0000000..cce472f
--- /dev/null
+++ b/Libraries/gmp/5/variants
@@ -0,0 +1 @@
+5.1.1	Linux,Darwin	stable	
diff --git a/Libraries/gmp/6/variants b/Libraries/gmp/6/variants
new file mode 100644
index 0000000..b065615
--- /dev/null
+++ b/Libraries/gmp/6/variants
@@ -0,0 +1,2 @@
+6.0.0	Linux,Darwin	stable	
+6.1.0	Linux,Darwin	unstable