make sure that every command ends up in the same directory where it started

diff --git a/mach/minix/libsys/Makefile b/mach/minix/libsys/Makefile
index d398648..28b8603 100644 (file)
--- a/mach/minix/libsys/Makefile
+++ b/mach/minix/libsys/Makefile
@@ -25,7 +25,7 @@ libsys.a:     libsys_s.a
                march . libsys.a
 
 libsys_o.a:    libsys.a ../../../lib/i86/tail_em
-               mkdir X; cd X; aal x ../libsys.a; aal x ../../../../lib/i86/tail_em; aal rv ../libsys_o.a *.o
+               mkdir X; cd X; aal x ../libsys.a; aal x ../../../../lib/i86/tail_em; aal rv ../libsys_o.a *.o ; cd ..
                rm -rf X
 
 clean: