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+## -*- makefile -*- -------------------------------------------------------
+##
+## Copyright 2008 H. Peter Anvin - All Rights Reserved
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+## Boston MA 02110-1301, USA; either version 2 of the License, or
+## (at your option) any later version; incorporated herein by reference.
+##
+## -----------------------------------------------------------------------
+
+##
+## Common configurables
+##
+
+# No builtin rules
+MAKEFLAGS += -r
+MAKE += -r
+
+BINDIR = /usr/bin
+SBINDIR = /sbin
+LIBDIR = /usr/lib
+DATADIR = /usr/share
+AUXDIR = $(DATADIR)/syslinux
+DIAGDIR = $(AUXDIR)/diag
+MANDIR = /usr/man
+INCDIR = /usr/include
+TFTPBOOT = /tftpboot
+COM32DIR = $(AUXDIR)/com32
+
+BOOTDIR = /boot
+EXTLINUXDIR = $(BOOTDIR)/extlinux
+
+NASM = nasm
+NASMOPT = -Ox
+
+PERL = perl
+UPX = upx
+
+CHMOD = chmod
+
+CC = gcc
+gcc_ok = $(shell tmpf=gcc_ok.$$$$.tmp; \
+ if $(CC) $(GCCOPT) $(1) -c $(topdir)/dummy.c \
+ -o $$tmpf 2>/dev/null ; \
+ then echo '$(1)'; else echo '$(2)'; fi; \
+ rm -f $$tmpf)
+
+LD = ld
+OBJDUMP = objdump
+OBJCOPY = objcopy
+AR = ar
+NM = nm
+RANLIB = ranlib
+STRIP = strip
+GZIPPROG = gzip
+XZ = xz
+PNGTOPNM = pngtopnm
+MCOPY = mcopy
+MFORMAT = mformat
+MKISOFS = mkisofs
+SED = sed
+WGET = wget
+
+com32 = $(topdir)/com32
+
+# Common warnings we want for all gcc-generated code
+GCCWARN := -W -Wall -Wstrict-prototypes
+# Extremely useful variant for debugging...
+#GCCWARN += -Wno-clobbered -Werror
+
+# Common stanza to make gcc generate .*.d dependency files
+MAKEDEPS = -Wp,-MT,$@,-MD,$(dir $@).$(notdir $@).d
+
+# Dependencies that exclude system headers; use whenever we use
+# header files from the platform.
+UMAKEDEPS = -Wp,-MT,$@,-MMD,$(dir $@).$(notdir $@).d
+
+# Items that are only appropriate during development; this file is
+# removed when tarballs are generated.
+-include $(MAKEDIR)/devel.mk
+
+# Local additions, like -DDEBUG can go here
+-include $(MAKEDIR)/local.mk