diff --git a/Compiler/gsl/files/variants b/Compiler/gsl/files/variants
new file mode 100644
index 0000000..27aba84
--- /dev/null
+++ b/Compiler/gsl/files/variants
@@ -0,0 +1,30 @@
+gsl/1.15             stable     gcc/4.7.4 
+gsl/1.15             stable     gcc/4.8.3 
+gsl/1.15             stable     gcc/4.8.4 
+gsl/1.15             stable     gcc/4.8.5 
+gsl/1.15             deprecated gcc/4.9.2 
+gsl/1.15             stable     gcc/4.9.3 
+gsl/1.15             stable     gcc/4.9.4 
+gsl/1.15             stable     gcc/5.3.0 
+gsl/1.15             stable     gcc/5.4.0 
+gsl/1.15             stable	gcc/6.2.0 
+
+gsl/1.16             stable	gcc/4.8.5 
+gsl/1.16             stable	gcc/4.9.4 
+gsl/1.16             stable	gcc/5.4.0 
+gsl/1.16             stable	gcc/6.2.0 
+gsl/2.2.1       stable		gcc/4.8.5 
+gsl/2.2.1       stable		gcc/4.9.4 
+gsl/2.2.1       stable		gcc/5.4.0 
+gsl/2.2.1       stable		gcc/6.2.0 
+gsl/2.2.1       stable		gcc/6.3.0 
+
+gsl/2.4		stable		gcc/5.5.0 
+gsl/2.4		stable		gcc/6.4.0 
+gsl/2.4		stable		gcc/7.3.0 
+gsl/2.4		stable		clang-macos/9.0.0
+gsl/2.4		stable		intel/17.4
+
+gsl/2.5		stable		gcc/7.3.0 
+gsl/2.5		stable		gcc/7.4.0 
+gsl/2.5		stable		gcc/8.3.0