Linux makefiles updated

Debug/makefile

@@ -16,6 +16,7 @@ RM := rm -rf
 -include src/lighting/subdir.mk
 -include src/graphics/subdir.mk
 -include src/files/subdir.mk
+-include src/audio/subdir.mk
 -include src/subdir.mk
 -include subdir.mk
 -include objects.mk

Debug/objects.mk

@@ -4,5 +4,5 @@
 
 USER_OBJS :=
 
-LIBS := -lglfw -lpng -lGL -lGLEW -lstdc++fs
+LIBS := -lglfw -lpng -lopenal -lGL -lGLEW -lstdc++fs
 

Debug/sources.mk

@@ -24,6 +24,7 @@ CPP_DEPS :=
 # Every subdirectory with source files must be described here
 SUBDIRS := \
 src \
+src/audio \
 src/files \
 src/graphics \
 src/lighting \

Debug/src/audio/subdir.mk

@@ -0,0 +1,27 @@
+################################################################################
+# Automatically-generated file. Do not edit!
+################################################################################
+
+# Add inputs and outputs from these tool invocations to the build variables 
+CPP_SRCS += \
+../src/audio/Audio.cpp \
+../src/audio/audioutil.cpp 
+
+OBJS += \
+./src/audio/Audio.o \
+./src/audio/audioutil.o 
+
+CPP_DEPS += \
+./src/audio/Audio.d \
+./src/audio/audioutil.d 
+
+
+# Each subdirectory must supply rules for building sources it contributes
+src/audio/%.o: ../src/audio/%.cpp src/audio/subdir.mk
+	@echo 'Building file: $<'
+	@echo 'Invoking: Cross G++ Compiler'
+	g++ -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"$(@:%.o=%.d)" -MT"$@" -o "$@" "$<"
+	@echo 'Finished building: $<'
+	@echo ' '
+
+

Debug/src/graphics/subdir.mk

@@ -5,6 +5,7 @@
 # Add inputs and outputs from these tool invocations to the build variables 
 CPP_SRCS += \
 ../src/graphics/Batch2D.cpp \
+../src/graphics/Font.cpp \
 ../src/graphics/LineBatch.cpp \
 ../src/graphics/Mesh.cpp \
 ../src/graphics/Shader.cpp \
@@ -13,6 +14,7 @@ CPP_SRCS += \
 
 OBJS += \
 ./src/graphics/Batch2D.o \
+./src/graphics/Font.o \
 ./src/graphics/LineBatch.o \
 ./src/graphics/Mesh.o \
 ./src/graphics/Shader.o \
@@ -21,6 +23,7 @@ OBJS += \
 
 CPP_DEPS += \
 ./src/graphics/Batch2D.d \
+./src/graphics/Font.d \
 ./src/graphics/LineBatch.d \
 ./src/graphics/Mesh.d \
 ./src/graphics/Shader.d \