Index: gc_lang/fr/config.ini
==================================================================
--- gc_lang/fr/config.ini
+++ gc_lang/fr/config.ini
@@ -14,10 +14,11 @@
 logo = logo.png
 
 # lexicon source
 lexicon_src = lexicons/French.lex
 # binary dictionary name
+dic_name = French
 py_binary_dic = French.bdic
 js_binary_dic = French.json
 # Finite state automaton compression: 1, 2 (experimental) or 3 (experimental)
 fsa_method = 1
 # stemming method: S for suffixes only, A for prefixes and suffixes

ADDED   lex_build.py
Index: lex_build.py
==================================================================
--- lex_build.py
+++ lex_build.py
@@ -0,0 +1,29 @@
+#!python3
+
+# Lexicon builder
+
+from distutils import dir_util
+
+import grammalecte.dawg as fsa
+from grammalecte.ibdawg import IBDAWG
+
+
+def build (spfSrc, sLangName, sDicName, cStemmingMethod, nCompressMethod, bJSON=False):
+    "transform a text lexicon as a binary indexable dictionary"
+    oDAWG = fsa.DAWG(spfSrc, sLangName, cStemmingMethod)
+    dir_util.mkpath("grammalecte/_dictionaries")
+    oDAWG.writeInfo("grammalecte/_dictionaries/" + sDicName + ".info.txt")
+    oDAWG.createBinary("grammalecte/_dictionaries/" + sDicName + ".bdic", int(nCompressMethod))
+    if bJSON:
+        dir_util.mkpath("grammalecte-js/_dictionaries")
+        oDic = IBDAWG(sDicName + ".bdic")
+        #oDic.writeAsJSObject("gc_lang/"+sLang+"/modules-js/dictionary.js")
+        oDic.writeAsJSObject("grammalecte-js/_dictionaries/" + sDicName + ".json")
+
+
+def main ():
+    print("todo")
+
+
+if __name__ == '__main__':
+    main()

Index: make.py
==================================================================
--- make.py
+++ make.py
@@ -312,22 +312,12 @@
                 except ImportError:
                     print("# Error. Couldn’t import file build_data.py in folder gc_lang/"+sLang)
             if build_data_module:
                 build_data_module.before('gc_lang/'+sLang, dVars, xArgs.javascript)
             if xArgs.dict or not os.path.exists("grammalecte/_dictionaries"):
-                import grammalecte.dawg as fsa
-                from grammalecte.ibdawg import IBDAWG
-                # fsa builder
-                oDAWG = fsa.DAWG(dVars['lexicon_src'], dVars['lang_name'], dVars['stemming_method'])
-                dir_util.mkpath("grammalecte/_dictionaries")
-                oDAWG.writeInfo("grammalecte/_dictionaries/" + dVars['py_binary_dic'] + ".info.txt")
-                oDAWG.createBinary("grammalecte/_dictionaries/" + dVars['py_binary_dic'], int(dVars['fsa_method']))
-                if xArgs.javascript:
-                    dir_util.mkpath("grammalecte-js/_dictionaries")
-                    oDic = IBDAWG(dVars['py_binary_dic'])
-                    #oDic.writeAsJSObject("gc_lang/"+sLang+"/modules-js/dictionary.js")
-                    oDic.writeAsJSObject("grammalecte-js/_dictionaries/"+dVars['js_binary_dic'])
+                import lex_build
+                lex_build.build(dVars['lexicon_src'], dVars['lang_name'], dVars['dic_name'], dVars['stemming_method'], int(dVars['fsa_method']), xArgs.javascript)
             if build_data_module:
                 build_data_module.after('gc_lang/'+sLang, dVars, xArgs.javascript)
 
             # make
             sVersion = create(sLang, xConfig, xArgs.install, xArgs.javascript, )