Issue #126: Do not run examples in the same directory concurrently.

examples/GNUmakefile

@@ -349,7 +349,7 @@ else
 	cd admb-re/weights && $(ADMB_HOME)/admb$(EXT) $(OPTIONS) $@ && $(PROG) ./$@
 endif
 
-autodif: bigmin hemholtz io_examp normsim newt s1 autodif-simple simple2 simp1 struct oldstr
+autodif: bigmin hemholtz io_examp newt autodif-simple struct
 
 bigmin:
 ifeq ($(CMDSHELL),cmd)
@@ -379,7 +379,7 @@ else
 	cd autodif/$@ && $(ADMB_HOME)/admb$(EXT) $(OPTIONS) $@.cpp userfun.cpp && $(PROG) ./$@
 endif
 
-mixture:
+mixture: normsim
 ifeq ($(CMDSHELL),cmd)
 	pushd autodif\\$@ && $(ADMB_HOME)\\admb $(OPTIONS) $@.cpp normaliz.cpp reset.cpp like.cpp savepar.cpp xinit.cpp nvarcal.cpp fcomp_m.cpp && $(PROG) $@ && popd
 else
@@ -400,21 +400,21 @@ else
 	cd autodif/$@ && $(ADMB_HOME)/admb$(EXT) $(OPTIONS) $@.cpp && $(PROG) ./$@
 endif
 
-s1:
+s1: simple2
 ifeq ($(CMDSHELL),cmd)
 	pushd autodif\\simple && $(ADMB_HOME)\\admb $(OPTIONS) $@.cpp && $(PROG) $@ && popd
 else
 	cd autodif/simple && $(ADMB_HOME)/admb$(EXT) $(OPTIONS) $@.cpp && $(PROG) ./$@
 endif
 
-autodif-simple:
+autodif-simple: s1
 ifeq ($(CMDSHELL),cmd)
 	pushd autodif\\simple && $(ADMB_HOME)\\admb $(OPTIONS) simple.cpp fcomp_s.cpp && $(PROG) simple && popd
 else
 	cd autodif/simple && $(ADMB_HOME)/admb$(EXT) $(OPTIONS) simple.cpp fcomp_s.cpp && $(PROG) ./simple
 endif
 
-simple2:
+simple2: simp1
 ifeq ($(CMDSHELL),cmd)
 	pushd autodif\\simple && $(ADMB_HOME)\\admb $(OPTIONS) $@.cpp fcomp_s.cpp && $(PROG) $@ && popd
 else
@@ -428,7 +428,7 @@ else
 	cd autodif/simple && $(ADMB_HOME)/admb$(EXT) $(OPTIONS) $@.cpp fcomp_s.cpp && $(PROG) ./$@
 endif
 
-struct:
+struct: oldstr
 ifeq ($(CMDSHELL),cmd)
 	pushd autodif\\$@ && $(ADMB_HOME)\\admb $(OPTIONS) $@.cpp && $(PROG) $@ && popd
 else