--- Makefile.linux.orig	2016-02-16 19:47:56 UTC
+++ Makefile.linux
@@ -2,7 +2,7 @@
 #To make a system-wide install add DATADIR=/dir/to/data/ and BINDIR=/dir/to/bin/ to the make command
 #To compile without OpenGL scaling support, add WITH_OPENGL=false to the make command.
 
-CC = gcc
+CC ?= gcc
 LD = $(CC)
 STRIP = strip
 MAKE = make
@@ -19,7 +19,7 @@ DEFS = -DDATADIR="\"$(DATADIR)\"" -D_DEFAULT_SOURCE -D
 #default to /usr/share/man for man page
 #note: some systems use /usr/local/share/man, others use /usr/local/man
 #packagers should set the variable accordingly
-MANDIR = /usr/share/man/
+MANDIR = ${PREFIX}/share/man/
 
 #Add the PER_USER_FILES define if the DATADIR is set
 ifneq ($(DATADIR),)
@@ -32,17 +32,10 @@ ifneq ($(BUILD_NUMBER),)
   DEFS +=-DBUILD_NUMBER="\"$(BUILD_NUMBER)\""
 endif
 
-INCS =  -I. -I/usr/include -I/usr/include/SDL
-CFLAGS= -Wall -Wextra -Werror -std=c99
-ifeq ($(DEBUG),)
-  CFLAGS += -O3
-else
-  CFLAGS += -g
-  DEFS +=-DDEBUG
-endif
+INCS = `sdl-config --cflags`
+CFLAGS+= -Wall -Wextra -std=c99
 
-LDFLAGS=$(CFLAGS)
-LIBS = -lSDL -lSDL_image -lSDL_mixer -lm -lpthread
+LIBS = `sdl-config --libs` -lSDL_image -lSDL_mixer -lm -lpthread
 
 #Are we compiling with gl?
 ifneq ($(WITH_OPENGL),false)
@@ -62,9 +55,6 @@ all: $(TARGET)
 
 $(TARGET): $(OBJS)
 	$(LD) $(LDFLAGS) $(OBJS) -o $@ $(LIBS)
-ifeq ($(DEBUG),)
-	$(STRIP) $@
-endif
 
 tools: mkbundle