diff --git a/commands/cmake.ts b/commands/cmake.ts
index e494410..b43aa19 100644
--- a/commands/cmake.ts
+++ b/commands/cmake.ts
@@ -18,6 +18,10 @@ export interface GeneralVariable {
     CMAKE_SYSROOT?: string,
     CMAKE_C_COMPILER?: string,
     CMAKE_CXX_COMPILER?: string,
+    CMAKE_Fortran_COMPILER?: string,
+    CMAKE_Fortran_COMPILER_ID?: string,
+    CMAKE_C_FLAGS?: string,
+    CMAKE_CXX_FLAGS?: string,
 }
 
 /**