Compile semla before omc

declare the functions in systemimpl

Belonging to [master]:
  - #2212

Author: adeas31

Compiler/runtime/systemimpl.h

@@ -33,6 +33,8 @@
 #include "openmodelica.h"
 #include "omc_config.h"
 
+extern const char* System_modelicaPlatform();
+extern const char* System_dirname(const char* str);
 char* _replace(const char* source_str,
                const char* search_str,
                const char* replace_str);

Makefile.in

@@ -78,7 +78,7 @@ include Makefile.common
 settings:
 
 ifeq ($(OMENCRYPTION),yes)
-omc: omc-bootstrapped semla
+omc: semla omc-bootstrapped
 else
 omc: omc-bootstrapped
 endif