diff --git a/scripts/tools.sh b/scripts/tools.sh
new file mode 100644
index 0000000..40bc794
--- /dev/null
+++ b/scripts/tools.sh
@@ -0,0 +1,126 @@
+#!/bin/sh
+
+# build info
+
+WHO=$(whoami)
+WHERE=$(hostname)
+ARCH=$(uname -m)
+OS=$(uname -o)
+
+cat <<!EOF
+# file generated by $0
+
+WHO	= ${WHO}
+WHERE	= ${WHERE}
+ARCH	= ${ARCH}
+OS	= ${OS}
+
+SIGNATURE = \$(PACKAGE)-\$(VERSION) \$(WHO)@\$(WHERE)(\$(ARCH) \$(OS)) \$(WHEN)
+!EOF
+
+# m68k cross-compiler
+
+if test "${ARCH}" != "m68k"
+then
+	M68K_CROSS_COMPILE=m68k-linux-
+	if ! type "${M68K_CROSS_COMPILE}gcc" > /dev/null 2>&1
+	then
+		M68K_CROSS_COMPILE=m68k-linux-gnu-
+		if ! type "${M68K_CROSS_COMPILE}gcc" > /dev/null 2>&1
+		then
+			echo "Cannot find m68k cross-compiler" 1>&2
+			exit 1
+		fi
+	fi
+	M68K_GCC_VERSION=$(${M68K_CROSS_COMPILE}gcc -dumpversion 2> /dev/null)
+	echo "cross-compiler is ${M68K_CROSS_COMPILE}gcc ${M68K_GCC_VERSION}" 1>&2
+fi
+
+cat <<!EOF
+
+M68K_CROSS_COMPILE = ${M68K_CROSS_COMPILE}
+
+M68K_AS		= \$(M68K_CROSS_COMPILE)as
+M68K_CC		= \$(M68K_CROSS_COMPILE)gcc
+M68K_LD		= \$(M68K_CROSS_COMPILE)ld
+M68K_OBJCOPY	= \$(M68K_CROSS_COMPILE)objcopy
+M68K_STRIP	= \$(M68K_CROSS_COMPILE)strip
+!EOF
+
+if test "${ARCH}" != "ppc"
+then
+	PPC_CROSS_COMPILE=powerpc-linux-
+	if ! type "${PPC_CROSS_COMPILE}gcc" > /dev/null 2>&1
+	then
+		PPC_CROSS_COMPILE=powerpc-linux-gnu-
+		if ! type "${PPC_CROSS_COMPILE}gcc" > /dev/null 2>&1
+		then
+			echo "Cannot find powerpc cross-compiler" 1>&2
+			exit 0
+		fi
+	fi
+	PPC_GCC_VERSION=$(${PPC_CROSS_COMPILE}gcc -dumpversion 2> /dev/null)
+	echo "cross-compiler is ${PPC_CROSS_COMPILE}gcc ${PPC_GCC_VERSION}" 1>&2
+fi
+
+cat <<!EOF
+
+PPC_CROSS_COMPILE = ${PPC_CROSS_COMPILE}
+
+PPC_AS		= \$(PPC_CROSS_COMPILE)as
+PPC_CC		= \$(PPC_CROSS_COMPILE)gcc
+PPC_LD		= \$(PPC_CROSS_COMPILE)ld
+PPC_OBJCOPY	= \$(PPC_CROSS_COMPILE)objcopy
+PPC_STRIP	= \$(PPC_CROSS_COMPILE)strip
+!EOF
+
+# target compiler
+
+cat <<!EOF
+
+ifeq (\$(TARGET),m68k)
+AS	= \$(M68K_AS)
+CC	= \$(M68K_CC)
+LD	= \$(M68K_LD)
+OBJCOPY	= \$(M68K_OBJCOPY)
+STRIP	= \$(M68K_STRIP)
+else
+ifeq (\$(TARGET),ppc)
+AS	= \$(PPC_AS)
+CC	= \$(PPC_CC)
+LD	= \$(PPC_LD)
+OBJCOPY	= \$(PPC_OBJCOPY)
+STRIP	= \$(PPC_STRIP)
+else
+AS	= \$(CROSS_COMPILE)as
+CC	= \$(CROSS_COMPILE)gcc
+LD	= \$(CROSS_COMPILE)ld
+OBJCOPY	= \$(CROSS_COMPILE)objcopy
+STRIP	= \$(CROSS_COMPILE)strip
+endif
+endif
+!EOF
+
+# docbook to man
+
+if type docbook-to-man > /dev/null 2>&1
+then
+cat <<!EOF
+ 
+%.8: %.sgml
+	docbook-to-man \$< > \$@
+!EOF
+else
+if type ${docbook-to-man} > /dev/null 2>&1
+then
+cat <<!EOF
+ 
+%.8: %.sgml
+	docbook2man \$<
+!EOF
+else
+ 
+%.8: %.sgml
+	echo "Missing tools to generate \$@ from \$<"
+fi
+fi