diff --git a/Compiler/openmpi/2.1/variants.Darwin b/Compiler/openmpi/2.1/variants.Darwin
new file mode 100644
index 0000000..3612f00
--- /dev/null
+++ b/Compiler/openmpi/2.1/variants.Darwin
@@ -0,0 +1 @@
+openmpi/2.1.2	unstable	gcc/7.3.0
diff --git a/Compiler/openmpi/2.1/variants.Linux b/Compiler/openmpi/2.1/variants.Linux
index 2575134..f6b6a39 100644
--- a/Compiler/openmpi/2.1/variants.Linux
+++ b/Compiler/openmpi/2.1/variants.Linux
@@ -1,6 +1,7 @@
 openmpi/2.1.1   stable          gcc/6.4.0
 openmpi/2.1.0	stable		gcc/7.1.0
 openmpi/2.1.1	stable		gcc/7.2.0
+openmpi/2.1.2	stable		gcc/7.3.0
 
 openmpi/2.1.1   unstable        intel/17.1
 openmpi/2.1.1   stable          intel/17.4
diff --git a/Compiler/openmpi/3.0/variants.Darwin b/Compiler/openmpi/3.0/variants.Darwin
new file mode 100644
index 0000000..b1a6180
--- /dev/null
+++ b/Compiler/openmpi/3.0/variants.Darwin
@@ -0,0 +1 @@
+openmpi/3.0.0   unstable          gcc/7.3.0