Build Unix-friendly versions directly from library.
diff --git a/unix/mkfile.fmt b/unix/mkfile.fmt
new file mode 100644
index 0000000..13e97d6
--- /dev/null
+++ b/unix/mkfile.fmt
@@ -0,0 +1,45 @@
+MAKEALL=`{cd ../make; ls Make.*}
+TARG=\
+ $MAKEALL\
+ NOTICE\
+ README\
+ Makefile\
+ `{ls -p $PLAN9/src/lib9/fmt/*.c}\
+ fmt.h\
+ fmtdef.h\
+ nan.h\
+
+all:V: $TARG
+
+%: $PLAN9/include/%
+ cp $prereq $target
+
+%: $PLAN9/src/lib9/fmt/%
+ cp $prereq $target
+
+%: $PLAN9/man/man1/%
+ cp $prereq $target
+
+%: $PLAN9/man/man3/%
+ cp $prereq $target
+
+%: $PLAN9/man/man7/%
+ cp $prereq $target
+
+%: ../make/%
+ cp $prereq $target
+
+Makefile:D: ../make/Makefile.TOP ../make/Makefile.fmt ../make/Makefile.LIB ../make/Makefile.BOT
+ cat $prereq >$target
+
+README: ../README
+ cp $prereq $target
+
+NOTICE: ../NOTICE.fmt
+ cp $prereq $target
+
+fmt.h: ../fmt.h
+ cp $prereq $target
+
+fmt.c: $PLAN9/src/lib9/fmt/fmt.c
+ cat $prereq | sed "/'u',.*__flagfmt/ s/__flagfmt/__ifmt/" >$target
