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

diff --git a/src/ffi/java.nit b/src/ffi/java.nit
index f78dc37..830e68c 100644
--- a/src/ffi/java.nit
+++ b/src/ffi/java.nit
@@ -221,7 +221,7 @@ redef class MModule
 			jni_methods.add_all(cb.jni_methods_declaration(self))
 		end
 
-		var cf = new CFunction("static void nit_ffi_with_java_register_natives(JNIEnv* env, jclass jclazz)")
+		var cf = new CFunction("void nit_ffi_with_java_register_natives(JNIEnv* env, jclass jclazz)")
 		cf.exprs.add """
 	nit_ffi_with_java_registered_natives = 1;
 
@@ -242,8 +242,8 @@ redef class MModule
 	# Tell the C compiler where to find jni.h and how to link with libjvm
 	private fun insert_compiler_options
 	do
-		c_compiler_options = "{c_compiler_options} -I $(JAVA_HOME)/include/"
-		c_linker_options = "{c_linker_options} -L $(JNI_LIB_PATH) -ljvm"
+		cflags.add_one("", "-I $(JAVA_HOME)/include/ -I $(JAVA_HOME)/include/linux/")
+		ldflags.add_one("", "-L $(JNI_LIB_PATH) -ljvm")
 	end
 
 	# Name of the generated Java class where to store all implementation methods of this module
@@ -296,7 +296,7 @@ redef class AMethPropdef
 		assert sys_class != null
 		var sys_jni_env_meth = modelbuilder.try_get_mproperty_by_name2(self, mmodule, sys_class.mclass_type, "jni_env")
 		if sys_jni_env_meth == null or not sys_jni_env_meth isa MMethod then
-			toolcontext.error(self.location, "Java FFI error: you must import the `java` module when using the FFI with Java")
+			toolcontext.error(self.location, "Java FFI Error: you must import the `java` module when using the FFI with Java")
 			return
 		end
 
@@ -334,7 +334,6 @@ class JavaClassTemplate
 	super Template
 
 	var java_class_name: String
-	init(name: String) do self.java_class_name = name
 
 	var header = new Template
 	var class_content = new Template
@@ -398,7 +397,6 @@ class ForeignJavaType
 	super ForeignType
 
 	var java_type: String
-	init (java_type: String) do self.java_type = java_type
 end
 
 redef class NitniCallback
@@ -520,6 +518,35 @@ redef class MClassType
 				else break
 			end
 
+			# Change `float[]` to `[float`
+			if jni_type.has('[') then
+				var depth = jni_type.chars.count('[')
+				var java_type = jni_type.replace("[]", "")
+				var short
+
+				if java_type == "boolean" then
+					short = "Z"
+				else if java_type == "byte" then
+					short = "B"
+				else if java_type == "char" then
+					short = "C"
+				else if java_type == "short" then
+					short = "S"
+				else if java_type == "int" then
+					short = "I"
+				else if java_type == "long" then
+					short = "J"
+				else if java_type == "float" then
+					short = "F"
+				else if java_type == "double" then
+					short = "D"
+				else
+					short = "L{java_type};"
+				end
+
+				return "["*depth + short
+			end
+
 			return "L{jni_type};"
 		end
 		if mclass.name == "Bool" then return "Z"
@@ -532,6 +559,7 @@ redef class MClassType
 	redef fun jni_signature_alt
 	do
 		var ftype = mclass.ftype
+
 		if ftype isa ForeignJavaType then return "Object"
 		if mclass.name == "Bool" then return "Boolean"
 		if mclass.name == "Char" then return "Char"