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

diff --git a/src/c_tools.nit b/src/c_tools.nit
index 0b80817..61c1f9c 100644
--- a/src/c_tools.nit
+++ b/src/c_tools.nit
@@ -105,7 +105,8 @@ end
 
 # An extern file to compile
 class ExternFile
-	# The filename of the file
+
+	# Filename relative to the nit-compile folder
 	var filename: String
 
 	# The name of the target in the Makefile
@@ -118,6 +119,7 @@ class ExternFile
 
 	fun compiles_to_o_file: Bool do return false
 
+	# Is `self` a Java file to include in the JAR archive?
 	fun add_to_jar: Bool do return false
 
 	# Additional libraries needed for the compilation
@@ -142,13 +144,13 @@ class ExternCFile
 	end
 
 	redef fun makefile_rule_content do
-		var ff = filename.basename("")
+		var ff = filename.basename
 		var o = makefile_rule_name
 		var pkg = ""
 		if not pkgconfigs.is_empty then
 			pkg = "`pkg-config --cflags {pkgconfigs.join(" ")}`"
 		end
-		return "$(CC) $(CFLAGS) {self.cflags} {pkg} -c -o {o} {ff}"
+		return "$(CC) $(CFLAGS) -Wall -Wno-unused-function {self.cflags} {pkg} -c -o {o} {ff}"
 	end
 
 	redef fun compiles_to_o_file do return true