diff --git a/cfg/gaston/cmake.bashrc b/cfg/gaston/cmake.bashrc
new file mode 100644
index 0000000000000000000000000000000000000000..aa827bc444b3676e163d75670b55147543fe2e90
--- /dev/null
+++ b/cfg/gaston/cmake.bashrc
@@ -0,0 +1,2 @@
+# Trilinos requires cmake >= 3.10
+add2env PATH "/opt/cmake/bin" front
diff --git a/cfg/gaston/swig.bashrc b/cfg/gaston/swig.bashrc
new file mode 100644
index 0000000000000000000000000000000000000000..253b9d9a567d0b9c22fb291b12d39680c0775d8d
--- /dev/null
+++ b/cfg/gaston/swig.bashrc
@@ -0,0 +1,2 @@
+# Trilinos requires swig >= 3.0.11
+add2env PATH "/opt/swig/bin" front