X-Git-Url: http://nitlanguage.org

diff --git a/src/c_tools.nit b/src/c_tools.nit
index a44d7e5..07934dd 100644
--- a/src/c_tools.nit
+++ b/src/c_tools.nit
@@ -104,8 +104,17 @@ class ExternFile
 	# The filename of the file
 	var filename: String
 
+	# The name of the target in the Makefile
+	# Usually the produced .o file
 	fun makefile_rule_name: String is abstract
+
+	# The content of the rule in the make
+	# Usually the one-line shell command after the tabulation
 	fun makefile_rule_content: String is abstract
+
+	fun compiles_to_o_file: Bool do return false
+
+	fun add_to_jar: Bool do return false
 end
 
 # An extern C file to compile
@@ -124,5 +133,19 @@ class ExternCFile
 
 	redef fun hash do return filename.hash
 	redef fun ==(o) do return o isa ExternCFile and filename == o.filename
+
+	redef fun makefile_rule_name do
+		var basename = filename.basename(".c")
+		var res = "{basename}.extern.o"
+		return res
+	end
+
+	redef fun makefile_rule_content do
+		var ff = filename.basename("")
+		var o = makefile_rule_name
+		return "$(CC) $(CFLAGS) {self.cflags} -c -o {o} {ff}"
+	end
+
+	redef fun compiles_to_o_file do return true
 end