-#CFLAGS = -MMD -W -Wall -Wcast-align -Wcast-qual -Wno-unused-parameter -g3 -fPIC
-CFLAGS = -MMD -W -Wall -Wcast-align -Wcast-qual -Wno-unused-parameter -fPIC -O3
-LDFLAGS = -s
-CXXFLAGS = $(CFLAGS) -Wno-non-virtual-dtor -Wreorder -fno-exceptions -fno-rtti
-#CPPFLAGS = -DPOSIX -DXWINDOWS -D_DEBUG -D_LINUX
-CPPFLAGS = -DPOSIX -DXWINDOWS -D_LINUX
-#LDFLAGS_DLL = -fPIC -Wl,-fini,fini_stub -static-libgcc -ldl
-LDFLAGS_DLL = -fPIC -ldl
-LIBS = -lpthread
-
-EXE = x86
-A = a
-DLL = so
-NETAPI = berkley
-
-RADIANT_ABOUTMSG = Custom build
-
-LDD ?= ldd
-FIND ?= find
-RANLIB ?= ranlib
-AR ?= ar
-MKDIR ?= mkdir -p
-CP ?= cp
-CP_R ?= $(CP) -r
-RM_R ?= $(RM) -r
-
-TEE_STDERR ?= | tee /dev/stderr
-
-CPPFLAGS_GLIB = `pkg-config glib-2.0 --cflags`
-LIBS_GLIB = `pkg-config glib-2.0 --libs-only-l --libs-only-L`
-
-CPPFLAGS_XML = `xml2-config --cflags`
-LIBS_XML = `xml2-config --libs`
-
-CPPFLAGS_PNG = `libpng-config --cflags`
-LIBS_PNG = `libpng-config --libs`
-
-CPPFLAGS_GTK = `pkg-config gtk+-2.0 --cflags`
-LIBS_GTK = `pkg-config gtk+-2.0 --libs-only-l --libs-only-L`
-
-CPPFLAGS_GTKGLEXT = `pkg-config gtkglext-1.0 --cflags`
-LIBS_GTKGLEXT = `pkg-config gtkglext-1.0 --libs-only-l --libs-only-L`
-
-# from qe3.cpp: const char* const EXECUTABLE_TYPE =
-# from qe3.cpp: #if defined(__linux__) || defined (__FreeBSD__)
-# from qe3.cpp: "x86"
-# from qe3.cpp: #elif defined(__APPLE__)
-# from qe3.cpp: "ppc"
-# from qe3.cpp: #elif defined(WIN32)
-# from qe3.cpp: "exe"
-# from qe3.cpp: #else
-# from qe3.cpp: #error "unknown platform"
-# from qe3.cpp: #endif
-# from qe3.cpp: ;
-
+-include Makefile.conf
+
+## CONFIGURATION SETTINGS
+# user customizable stuf
+# you may override this in Makefile.conf or the environment
+BUILD ?= debug
+# or: release
+OS ?= $(shell uname)
+# or: Linux, Win32, Darwin
+CFLAGS ?=
+CXXFLAGS ?=
+CPPFLAGS ?=
+LIBS ?=
+RADIANT_ABOUTMSG ?= Custom build
+CC ?= gcc
+CXX ?= g++
+LDD ?= ldd # nothing on Win32
+FIND ?= find
+RANLIB ?= ranlib
+AR ?= ar
+MKDIR ?= mkdir -p
+CP ?= cp
+CAT ?= cat
+SH ?= sh
+ECHO ?= echo
+DIFF ?= diff
+CP_R ?= $(CP) -r
+RM_R ?= $(RM) -r
+PKGCONFIG ?= pkg-config
+TEE_STDERR ?= | tee /dev/stderr
+CPPFLAGS_GLIB ?= `$(PKGCONFIG) glib-2.0 --cflags`
+LIBS_GLIB ?= `$(PKGCONFIG) glib-2.0 --libs-only-L` `pkg-config glib-2.0 --libs-only-l`
+CPPFLAGS_XML ?= `$(PKGCONFIG) libxml-2.0 --cflags`
+LIBS_XML ?= `$(PKGCONFIG) libxml-2.0 --libs-only-L` `pkg-config libxml-2.0 --libs-only-l`
+CPPFLAGS_PNG ?= `$(PKGCONFIG) libpng --cflags`
+LIBS_PNG ?= `$(PKGCONFIG) libpng --libs-only-L` `pkg-config libpng --libs-only-l`
+CPPFLAGS_GTK ?= `$(PKGCONFIG) gtk+-2.0 --cflags`
+LIBS_GTK ?= `$(PKGCONFIG) gtk+-2.0 --libs-only-L` `pkg-config gtk+-2.0 --libs-only-l`
+CPPFLAGS_GTKGLEXT ?= `$(PKGCONFIG) gtkglext-1.0 --cflags`
+LIBS_GTKGLEXT ?= `$(PKGCONFIG) gtkglext-1.0 --libs-only-L` `pkg-config gtkglext-1.0 --libs-only-l`
+CPPFLAGS_GL ?=
+LIBS_GL ?= -lGL # -lopengl32 on Win32
+CPPFLAGS_DL ?=
+LIBS_DL ?= -ldl # nothing on Win32
+CPPFLAGS_ZLIB ?=
+LIBS_ZLIB ?= -lz
+DEPEND_ON_MAKEFILE ?= yes
+
+# these are used on Win32 only
+GTKDIR ?= `$(PKGCONFIG) gtk+-2.0 --variable=prefix`
+WHICHDLL ?= which
+
+# alias mingw32 OSes
+ifeq ($(OS),MINGW32_NT-6.0)
+ OS = Win32
+endif
+
+CFLAGS_COMMON = -MMD -W -Wall -Wcast-align -Wcast-qual -Wno-unused-parameter
+CPPFLAGS_COMMON =
+LDFLAGS_COMMON =
+LIBS_COMMON =
+CXXFLAGS_COMMON = -Wno-non-virtual-dtor -Wreorder -fno-exceptions -fno-rtti
+
+ifeq ($(BUILD),debug)
+ CFLAGS_COMMON += -g3
+ CPPFLAGS_COMMON += -D_DEBUG
+ LDFLAGS_COMMON +=
+else ifeq ($(BUILD),release)
+ CFLAGS_COMMON += -O3
+ CPPFLAGS_COMMON +=
+ LDFLAGS_COMMON += -s
+else
+$(error Unsupported build type: $(BUILD))
+endif
+
+ifeq ($(OS),Linux)
+ CPPFLAGS_COMMON += -DPOSIX -DXWINDOWS -D_LINUX
+ CFLAGS_COMMON += -fPIC
+ LDFLAGS_DLL = -fPIC -ldl
+ LIBS_COMMON = -lpthread
+ EXE = x86
+ A = a
+ DLL = so
+ MWINDOWS =
+else ifeq ($(OS),Win32)
+ CPPFLAGS_COMMON += -DWIN32 -D_WIN32 -D_inline=inline
+ CFLAGS_COMMON += -mms-bitfields
+ LDFLAGS_DLL = --dll -Wl,--add-stdcall-alias
+ LIBS_COMMON = -lws2_32 -luser32 -lgdi32
+ EXE = exe
+ A = a
+ DLL = dll
+ MWINDOWS = -mwindows
+
+ # workaround: we have no "ldd" for Win32, so...
+ LDD =
+ # workaround: OpenGL library for Win32 is called opengl32.dll
+ LIBS_GL ?= -lopengl32
+ # workaround: no -ldl on Win32
+ LIBS_DL ?=
+#else ifeq ($(OS),Darwin)
+# EXE = ppc
+else
+$(error Unsupported build OS: $(OS))
+endif