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

diff --git a/src/c_tools.nit b/src/c_tools.nit
index df2ddd8..61c1f9c 100644
--- a/src/c_tools.nit
+++ b/src/c_tools.nit
@@ -47,7 +47,7 @@ class CCompilationUnit
 	# files to compile TODO check is appropriate
 	var files = new Array[String]
 
-	# Add `c_function` as a `static` function local to this unit
+	# Add a `static` `c_function` to be strictly local to this unit
 	fun add_local_function(c_function: CFunction)
 	do
 		body_decl.add "static {c_function.signature};\n"
@@ -55,10 +55,10 @@ class CCompilationUnit
 		body_impl.add c_function.to_writer
 	end
 
-	# Add `c_function` as a public function to this unit
+	# Add a public `c_function` accessible from outside this compilation unit
 	fun add_exported_function(c_function: CFunction)
 	do
-		header_decl.add "{c_function.signature};\n"
+		body_decl.add "{c_function.signature};\n"
 		body_impl.add "\n"
 		body_impl.add c_function.to_writer
 	end
@@ -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