-CFLAGS = -MMD -W -Wall -Wcast-align -Wcast-qual -Wno-unused-parameter -fPIC
-CPPFLAGS =
-CXXFLAGS = $(CFLAGS) -Wno-non-virtual-dtor -Wreorder -fno-exceptions -fno-rtti
-
-CFLAGS_OPT ?= -O3
+CFLAGS = -MMD -W -Wall -Wcast-align -Wcast-qual -Wno-unused-parameter -fPIC
+CPPFLAGS =
+LDFLAGS =
+LIBS =
+CXXFLAGS = $(CFLAGS) -Wno-non-virtual-dtor -Wreorder -fno-exceptions -fno-rtti
+CFLAGS_OPT = -O3
+
+ifneq ($(MINGW),)
+ MINGWPREFIX ?= i586-mingw32msvc-
+ CC = $(MINGWPREFIX)gcc
+ CXX = $(MINGWPREFIX)g++
+ RANLIB = $(MINGWPREFIX)ranlib
+ AR = $(MINGWPREFIX)ar
+ OS := Win32
+ CPPFLAGS += -I$(MINGW)/include -D_inline=inline
+ CFLAGS += -mms-bitfields
+ LDFLAGS += -L$(MINGW)/lib
+
+ CPPFLAGS_GLIB = -I$(MINGW)/include/glib-2.0 -I$(MINGW)/lib/glib-2.0/include
+ LIBS_GLIB = -lglib-2.0
+ CPPFLAGS_XML = -I$(MINGW)/include/libxml2
+ LIBS_XML = -lxml2
+ CPPFLAGS_PNG = -I$(MINGW)/include/libpng12 -DPNG_NO_MMX_CODE
+ LIBS_PNG = -lpng12
+ CPPFLAGS_GTK = -I$(MINGW)/include/gtk-2.0 -I$(MINGW)/lib/gtk-2.0/include -I$(MINGW)/include/atk-1.0 -I$(MINGW)/include/cairo -I$(MINGW)/include/pango-1.0 -I$(MINGW)/include/glib-2.0 -I$(MINGW)/lib/glib-2.0/include -I$(MINGW)/include/libpng12 -DPNG_NO_MMX_CODE
+ LIBS_GTK = -lgtk-win32-2.0 -lgdk-win32-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lpangocairo-1.0 -lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 -lpangowin32-1.0
+ CPPFLAGS_GTKGLEXT = -I$(MINGW)/include/gtkglext-1.0 -I$(MINGW)/lib/gtkglext-1.0/include
+ LIBS_GTKGLEXT = -lgtkglext-win32-1.0 -lgdkglext-win32-1.0 -lgtk-win32-2.0 -lgdk-win32-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lpangocairo-1.0 -lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 -lpangowin32-1.0
+ CPPFLAGS_GL =
+ LIBS_GL = -lopengl32
+ CPPFLAGS_DL =
+ LIBS_DL =
+endif