Tram is now an optional dependency

src/compiler.c

@@ -1,3 +1,5 @@
+#ifdef GROUND_COMPILE_WITH_TRAM
+
 #include "compiler.h"
 #include "types.h"
 #include "include/uthash.h"
@@ -554,3 +556,5 @@ void compileGroundInstruction(GroundInstruction* instruction, Tram_Program* prog
             break;
     }
 }
+
+#endif

src/interface.c

@@ -174,7 +174,11 @@ void groundAddFunctionToStruct(GroundStruct* gstruct, char* name, NativeGroundFu
 }
 
 void groundCompileProgram(GroundProgram* program) {
+#ifdef GROUND_COMPILE_WITH_TRAM
     compileGroundProgram(program, "program.gexe");
+#else
+    printf("This version of Ground has been compiled without Tram, so compilation is not supported.\n");
+#endif
 }
 
 GroundValue groundRunFunction(GroundFunction* function, size_t argc, ...) {

src/main.c

@@ -111,7 +111,11 @@ int main(int argc, char** argv) {
     }
 
     if (compile) {
+#ifdef GROUND_COMPILE_WITH_TRAM
         compileGroundProgram(&program, "program.gexe");
+#else
+        printf("This version of Ground has been compiled without Tram, so compilation is not supported.\n");
+#endif
     } else if (writeBytecode) {
         serializeProgramToFile(outFileName, &program);
     } else {