diff --git a/Libraries/mpc/1/variants b/Libraries/mpc/1/variants
new file mode 100644
index 0000000..11d5178
--- /dev/null
+++ b/Libraries/mpc/1/variants
@@ -0,0 +1,2 @@
+1.0.2	Linux,Darwin	stable		gmp/5.1.1 mpfr/3.1.2
+1.0.3	Linux,Darwin	stable		gmp/6.1.0 mpfr/3.1.4