diff --git a/makefiles/Makefile.java.mk b/makefiles/Makefile.java.mk
index 0001e23da5..1a918cad8c 100755
--- a/makefiles/Makefile.java.mk
+++ b/makefiles/Makefile.java.mk
@@ -364,8 +364,6 @@ compile_MultiThreadIntegerProgramming: $(OBJ_DIR)/com/google/ortools/samples/Mul
 $(OBJ_DIR)/com/google/ortools/samples/MultiThreadTest.class: javaortools $(EX_DIR)/com/google/ortools/samples/MultiThreadTest.java
 	$(JAVAC_BIN) -d $(OBJ_DIR) -cp $(LIB_DIR)$Scom.google.ortools.jar$(CPSEP)$(LIB_DIR)$Sprotobuf.jar $(EX_DIR)$Scom$Sgoogle$Sortools$Ssamples$SMultiThreadTest.java
 
-
-
 # Compile and Run CP java example:
 
 $(OBJ_DIR)/com/google/ortools/samples/$(EX).class: javaortools $(EX_DIR)/com/google/ortools/samples/$(EX).java
diff --git a/tools/Makefile.cc b/tools/Makefile.cc
index d47f92418d..88febf2408 100644
--- a/tools/Makefile.cc
+++ b/tools/Makefile.cc
@@ -26,11 +26,15 @@ else
 endif
 
 # Useful directories.
-BIN_DIR = $(OR_ROOT)bin
+CPP_BIN_DIR = $(OR_ROOT)bin$Scpp
+CS_BIN_DIR = $(OR_ROOT)bin$Scsharp
 OBJ_DIR = $(OR_ROOT)objs
-EX_DIR = $(OR_ROOT)examples$Scpp
+CPP_EX_DIR = $(OR_ROOT)examples$Scpp
+JAVA_EX_DIR = $(OR_ROOL)examples$Scom
+CS_EX_DIR = $(OR_ROOT)examples$Scsharp
 INC_EX_DIR = $(OR_ROOT)examples
 INC_DIR = $(OR_ROOT)include
+LIB_DIR = $(OR_ROOT)lib
 
 # Unix specific part.
 ifeq ("$(SYSTEM)","unix")
@@ -48,9 +52,13 @@ ifeq ("$(SYSTEM)","unix")
     ifeq ($(LBITS),64)
       PORT = Linux64
       ARCH = -DARCH_K8
+      NETPLATFORM = anycpu
     else
       PORT = Linux32
+      NETPLATFORM = x86
     endif
+    CSC = mcs
+    MONO = LD_LIBRARY_PATH=$(LIB_DIR):$(LD_LIBRARY_PATH) mono
   endif
   ifeq ($(OS),Darwin) # Assume Mac Os X
     CCC = clang++ -fPIC -std=c++11
@@ -60,6 +68,9 @@ ifeq ("$(SYSTEM)","unix")
     DIMACS_LIBS = -L$(OR_ROOT)lib -ldimacs -lortools
     ARCH = -DARCH_K8
     PORT = MacOsX64
+    CSC = mcs
+    MONO =  DYLD_FALLBACK_LIBRARY_PATH=$(LIB_DIR):$(DYLD_LIBRARY_PATH) mono64
+    NETPLATFORM = x64
   endif
   O = o
   E =
@@ -67,6 +78,7 @@ ifeq ("$(SYSTEM)","unix")
   EXE_OUT = -o #
   DEL = rm -f
   S = /
+  CPSEP = :
   CLP_INC = -DUSE_CLP
   CBC_INC = -DUSE_CBC
   GLOP_INC = -DUSE_GLOP
@@ -86,8 +98,10 @@ ifeq ("$(SYSTEM)","win")
   endif
   ifeq ("$(PLATFORM)", "Win64")
     PORT = VisualStudio$(VISUAL_STUDIO)-64b
+    NETPLATFORM = x64
   else
     PORT = VisualStudio$(VISUAL_STUDIO)-32b
+    NETPLATFORM = x86
   endif
   CLP_INC = -DUSE_CLP
   CBC_INC = -DUSE_CBC
@@ -107,236 +121,257 @@ ifeq ("$(SYSTEM)","win")
   EXE_OUT = /Fe
   DEL = del
   S = \\
+  CPSEP = ;
   DEBUG=/O2 -DNDEBUG
   CCC=cl /EHsc /MD /nologo
+  CSC=csc
+  MONO=
 endif
 
 .PHONY: all clean
 
 all: \
-	$(BIN_DIR)/cpp/costas_array$E\
-	$(BIN_DIR)/cpp/cryptarithm$E\
-	$(BIN_DIR)/cpp/cvrp_disjoint_tw$E\
-	$(BIN_DIR)/cpp/cvrptw$E\
-	$(BIN_DIR)/cpp/cvrptw_with_refueling$E\
-	$(BIN_DIR)/cpp/cvrptw_with_resources$E\
-	$(BIN_DIR)/cpp/cvrptw_with_stop_times_and_resources$E\
-	$(BIN_DIR)/cpp/dimacs_assignment$E\
-	$(BIN_DIR)/cpp/dobble_ls$E\
-	$(BIN_DIR)/cpp/flexible_jobshop$E\
-	$(BIN_DIR)/cpp/golomb$E\
-	$(BIN_DIR)/cpp/jobshop$E\
-	$(BIN_DIR)/cpp/jobshop_ls$E\
-	$(BIN_DIR)/cpp/jobshop_earlytardy$E\
-	$(BIN_DIR)/cpp/magic_square$E\
-	$(BIN_DIR)/cpp/model_util$E\
-	$(BIN_DIR)/cpp/multidim_knapsack$E\
-	$(BIN_DIR)/cpp/network_routing$E\
-	$(BIN_DIR)/cpp/nqueens$E\
-	$(BIN_DIR)/cpp/pdptw$E\
-	$(BIN_DIR)/cpp/sports_scheduling$E\
-	$(BIN_DIR)/cpp/tsp$E\
-	$(BIN_DIR)/cpp/linear_assignment_api$E\
-	$(BIN_DIR)/cpp/strawberry_fields_with_column_generation$E\
-	$(BIN_DIR)/cpp/linear_programming$E\
-	$(BIN_DIR)/cpp/linear_solver_protocol_buffers$E\
-	$(BIN_DIR)/cpp/integer_programming$E \
-	$(BIN_DIR)/cpp/flow_api$E
+	$(CPP_BIN_DIR)$Scostas_array$E\
+	$(CPP_BIN_DIR)$Scryptarithm$E\
+	$(CPP_BIN_DIR)$Scvrp_disjoint_tw$E\
+	$(CPP_BIN_DIR)$Scvrptw$E\
+	$(CPP_BIN_DIR)$Scvrptw_with_refueling$E\
+	$(CPP_BIN_DIR)$Scvrptw_with_resources$E\
+	$(CPP_BIN_DIR)$Scvrptw_with_stop_times_and_resources$E\
+	$(CPP_BIN_DIR)$Sdimacs_assignment$E\
+	$(CPP_BIN_DIR)$Sdobble_ls$E\
+	$(CPP_BIN_DIR)$Sflexible_jobshop$E\
+	$(CPP_BIN_DIR)$Sgolomb$E\
+	$(CPP_BIN_DIR)$Sjobshop$E\
+	$(CPP_BIN_DIR)$Sjobshop_ls$E\
+	$(CPP_BIN_DIR)$Sjobshop_earlytardy$E\
+	$(CPP_BIN_DIR)$Smagic_square$E\
+	$(CPP_BIN_DIR)$Smodel_util$E\
+	$(CPP_BIN_DIR)$Smultidim_knapsack$E\
+	$(CPP_BIN_DIR)$Snetwork_routing$E\
+	$(CPP_BIN_DIR)$Snqueens$E\
+	$(CPP_BIN_DIR)$Spdptw$E\
+	$(CPP_BIN_DIR)$Ssports_scheduling$E\
+	$(CPP_BIN_DIR)$Stsp$E\
+	$(CPP_BIN_DIR)$Slinear_assignment_api$E\
+	$(CPP_BIN_DIR)$Sstrawberry_fields_with_column_generation$E\
+	$(CPP_BIN_DIR)$Slinear_programming$E\
+	$(CPP_BIN_DIR)$Slinear_solver_protocol_buffers$E\
+	$(CPP_BIN_DIR)$Sinteger_programming$E \
+	$(CPP_BIN_DIR)$Sflow_api$E
 
 
 clean:
-	$(DEL) $(BIN_DIR)$Scpp$S*
+	$(DEL) $(CPP_BIN_DIR)$S*
 	$(DEL) $(OBJ_DIR)$S*$O
 
 test:
-	$(BIN_DIR)$Scpp$Scostas_array$E
-	$(BIN_DIR)$Scpp$Scryptarithm$E
-	$(BIN_DIR)$Scpp$Scvrp_disjoint_tw$E
-	$(BIN_DIR)$Scpp$Scvrptw$E
-	$(BIN_DIR)$Scpp$Sgolomb$E
-	$(BIN_DIR)$Scpp$Sjobshop$E --data_file examples$Sdata$Syn1.txt
-	$(BIN_DIR)$Scpp$Smagic_square$E
-	$(BIN_DIR)$Scpp$Snqueens$E
-	$(BIN_DIR)$Scpp$Stsp$E
-	$(BIN_DIR)$Scpp$Slinear_assignment_api$E
-	$(BIN_DIR)$Scpp$Slinear_programming$E
-	$(BIN_DIR)$Scpp$Slinear_solver_protocol_buffers$E
-	$(BIN_DIR)$Scpp$Sinteger_programming$E 
-	$(BIN_DIR)$Scpp$Sflow_api$E
+	$(CPP_BIN_DIR)$Scostas_array$E
+	$(CPP_BIN_DIR)$Scryptarithm$E
+	$(CPP_BIN_DIR)$Scvrp_disjoint_tw$E
+	$(CPP_BIN_DIR)$Scvrptw$E
+	$(CPP_BIN_DIR)$Sgolomb$E
+	$(CPP_BIN_DIR)$Sjobshop$E --data_file examples$Sdata$Syn1.txt
+	$(CPP_BIN_DIR)$Smagic_square$E
+	$(CPP_BIN_DIR)$Snqueens$E
+	$(CPP_BIN_DIR)$Stsp$E
+	$(CPP_BIN_DIR)$Slinear_assignment_api$E
+	$(CPP_BIN_DIR)$Slinear_programming$E
+	$(CPP_BIN_DIR)$Slinear_solver_protocol_buffers$E
+	$(CPP_BIN_DIR)$Sinteger_programming$E
+	$(CPP_BIN_DIR)$Sflow_api$E
 
 # Constraint Programming and Routing examples.
 
-$(OBJ_DIR)/costas_array.$O: $(EX_DIR)/costas_array.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Scostas_array.cc $(OBJ_OUT)$(OBJ_DIR)$Scostas_array.$O
+$(OBJ_DIR)$Scostas_array.$O: $(CPP_EX_DIR)$Scostas_array.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Scostas_array.cc $(OBJ_OUT)$(OBJ_DIR)$Scostas_array.$O
 
-$(BIN_DIR)/cpp/costas_array$E: $(OBJ_DIR)/costas_array.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/costas_array.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Scostas_array$E
+$(CPP_BIN_DIR)$Scostas_array$E: $(OBJ_DIR)$Scostas_array.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Scostas_array.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Scostas_array$E
 
-$(OBJ_DIR)/cryptarithm.$O:$(EX_DIR)/cryptarithm.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Scryptarithm.cc $(OBJ_OUT)$(OBJ_DIR)$Scryptarithm.$O
+$(OBJ_DIR)$Scryptarithm.$O:$(CPP_EX_DIR)$Scryptarithm.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Scryptarithm.cc $(OBJ_OUT)$(OBJ_DIR)$Scryptarithm.$O
 
-$(BIN_DIR)/cpp/cryptarithm$E: $(OBJ_DIR)/cryptarithm.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/cryptarithm.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Scryptarithm$E
+$(CPP_BIN_DIR)$Scryptarithm$E: $(OBJ_DIR)$Scryptarithm.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Scryptarithm.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Scryptarithm$E
 
-$(OBJ_DIR)/cvrp_disjoint_tw.$O: $(EX_DIR)/cvrp_disjoint_tw.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Scvrp_disjoint_tw.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrp_disjoint_tw.$O
+$(OBJ_DIR)$Scvrp_disjoint_tw.$O: $(CPP_EX_DIR)$Scvrp_disjoint_tw.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Scvrp_disjoint_tw.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrp_disjoint_tw.$O
 
-$(BIN_DIR)/cpp/cvrp_disjoint_tw$E: $(OBJ_DIR)/cvrp_disjoint_tw.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/cvrp_disjoint_tw.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Scvrp_disjoint_tw$E
+$(CPP_BIN_DIR)$Scvrp_disjoint_tw$E: $(OBJ_DIR)$Scvrp_disjoint_tw.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Scvrp_disjoint_tw.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Scvrp_disjoint_tw$E
 
-$(OBJ_DIR)/cvrptw.$O: $(EX_DIR)/cvrptw.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Scvrptw.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw.$O
+$(OBJ_DIR)$Scvrptw.$O: $(CPP_EX_DIR)$Scvrptw.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Scvrptw.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw.$O
 
-$(BIN_DIR)/cpp/cvrptw$E: $(OBJ_DIR)/cvrptw.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/cvrptw.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Scvrptw$E
+$(CPP_BIN_DIR)$Scvrptw$E: $(OBJ_DIR)$Scvrptw.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Scvrptw.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Scvrptw$E
 
-$(OBJ_DIR)/cvrptw_with_refueling.$O: $(EX_DIR)/cvrptw_with_refueling.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Scvrptw_with_refueling.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw_with_refueling.$O
+$(OBJ_DIR)$Scvrptw_with_refueling.$O: $(CPP_EX_DIR)$Scvrptw_with_refueling.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Scvrptw_with_refueling.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw_with_refueling.$O
 
-$(BIN_DIR)/cpp/cvrptw_with_refueling$E: $(OBJ_DIR)/cvrptw_with_refueling.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/cvrptw_with_refueling.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Scvrptw_with_refueling$E
+$(CPP_BIN_DIR)$Scvrptw_with_refueling$E: $(OBJ_DIR)$Scvrptw_with_refueling.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Scvrptw_with_refueling.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Scvrptw_with_refueling$E
 
-$(OBJ_DIR)/cvrptw_with_resources.$O: $(EX_DIR)/cvrptw_with_resources.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Scvrptw_with_resources.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw_with_resources.$O
+$(OBJ_DIR)$Scvrptw_with_resources.$O: $(CPP_EX_DIR)$Scvrptw_with_resources.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Scvrptw_with_resources.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw_with_resources.$O
 
-$(BIN_DIR)/cpp/cvrptw_with_resources$E: $(OBJ_DIR)/cvrptw_with_resources.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/cvrptw_with_resources.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Scvrptw_with_resources$E
+$(CPP_BIN_DIR)$Scvrptw_with_resources$E: $(OBJ_DIR)$Scvrptw_with_resources.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Scvrptw_with_resources.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Scvrptw_with_resources$E
 
-$(OBJ_DIR)/cvrptw_with_stop_times_and_resources.$O: $(EX_DIR)/cvrptw_with_stop_times_and_resources.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Scvrptw_with_stop_times_and_resources.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw_with_stop_times_and_resources.$O
+$(OBJ_DIR)$Scvrptw_with_stop_times_and_resources.$O: $(CPP_EX_DIR)$Scvrptw_with_stop_times_and_resources.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Scvrptw_with_stop_times_and_resources.cc $(OBJ_OUT)$(OBJ_DIR)$Scvrptw_with_stop_times_and_resources.$O
 
-$(BIN_DIR)/cpp/cvrptw_with_stop_times_and_resources$E: $(OBJ_DIR)/cvrptw_with_stop_times_and_resources.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/cvrptw_with_stop_times_and_resources.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Scvrptw_with_stop_times_and_resources$E
+$(CPP_BIN_DIR)$Scvrptw_with_stop_times_and_resources$E: $(OBJ_DIR)$Scvrptw_with_stop_times_and_resources.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Scvrptw_with_stop_times_and_resources.$O $(CVRPTW_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Scvrptw_with_stop_times_and_resources$E
 
-$(OBJ_DIR)/dimacs_assignment.$O:$(EX_DIR)/dimacs_assignment.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sdimacs_assignment.cc $(OBJ_OUT)$(OBJ_DIR)$Sdimacs_assignment.$O
+$(OBJ_DIR)$Sdimacs_assignment.$O:$(CPP_EX_DIR)$Sdimacs_assignment.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sdimacs_assignment.cc $(OBJ_OUT)$(OBJ_DIR)$Sdimacs_assignment.$O
 
-$(BIN_DIR)/cpp/dimacs_assignment$E: $(OBJ_DIR)/dimacs_assignment.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/dimacs_assignment.$O $(DIMACS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sdimacs_assignment$E
+$(CPP_BIN_DIR)$Sdimacs_assignment$E: $(OBJ_DIR)$Sdimacs_assignment.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sdimacs_assignment.$O $(DIMACS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sdimacs_assignment$E
 
-$(OBJ_DIR)/dobble_ls.$O:$(EX_DIR)/dobble_ls.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sdobble_ls.cc $(OBJ_OUT)$(OBJ_DIR)$Sdobble_ls.$O
+$(OBJ_DIR)$Sdobble_ls.$O:$(CPP_EX_DIR)$Sdobble_ls.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sdobble_ls.cc $(OBJ_OUT)$(OBJ_DIR)$Sdobble_ls.$O
 
-$(BIN_DIR)/cpp/dobble_ls$E: $(OBJ_DIR)/dobble_ls.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/dobble_ls.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sdobble_ls$E
+$(CPP_BIN_DIR)$Sdobble_ls$E: $(OBJ_DIR)$Sdobble_ls.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sdobble_ls.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sdobble_ls$E
 
-$(OBJ_DIR)/flexible_jobshop.$O:$(EX_DIR)/flexible_jobshop.cc $(INC_DIR)/constraint_solver/constraint_solver.h $(EX_DIR)/flexible_jobshop.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sflexible_jobshop.cc $(OBJ_OUT)$(OBJ_DIR)$Sflexible_jobshop.$O
+$(OBJ_DIR)$Sflexible_jobshop.$O:$(CPP_EX_DIR)$Sflexible_jobshop.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h $(CPP_EX_DIR)$Sflexible_jobshop.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sflexible_jobshop.cc $(OBJ_OUT)$(OBJ_DIR)$Sflexible_jobshop.$O
 
-$(BIN_DIR)/cpp/flexible_jobshop$E: $(OBJ_DIR)/flexible_jobshop.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/flexible_jobshop.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sflexible_jobshop$E
+$(CPP_BIN_DIR)$Sflexible_jobshop$E: $(OBJ_DIR)$Sflexible_jobshop.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sflexible_jobshop.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sflexible_jobshop$E
 
-$(OBJ_DIR)/golomb.$O:$(EX_DIR)/golomb.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sgolomb.cc $(OBJ_OUT)$(OBJ_DIR)$Sgolomb.$O
+$(OBJ_DIR)$Sgolomb.$O:$(CPP_EX_DIR)$Sgolomb.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sgolomb.cc $(OBJ_OUT)$(OBJ_DIR)$Sgolomb.$O
 
-$(BIN_DIR)/cpp/golomb$E: $(OBJ_DIR)/golomb.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/golomb.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sgolomb$E
+$(CPP_BIN_DIR)$Sgolomb$E: $(OBJ_DIR)$Sgolomb.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sgolomb.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sgolomb$E
 
-$(OBJ_DIR)/jobshop.$O:$(EX_DIR)/jobshop.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sjobshop.cc $(OBJ_OUT)$(OBJ_DIR)$Sjobshop.$O
+$(OBJ_DIR)$Sjobshop.$O:$(CPP_EX_DIR)$Sjobshop.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sjobshop.cc $(OBJ_OUT)$(OBJ_DIR)$Sjobshop.$O
 
-$(BIN_DIR)/cpp/jobshop$E: $(OBJ_DIR)/jobshop.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/jobshop.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sjobshop$E
+$(CPP_BIN_DIR)$Sjobshop$E: $(OBJ_DIR)$Sjobshop.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sjobshop.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sjobshop$E
 
-$(OBJ_DIR)/jobshop_ls.$O:$(EX_DIR)/jobshop_ls.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sjobshop_ls.cc $(OBJ_OUT)$(OBJ_DIR)$Sjobshop_ls.$O
+$(OBJ_DIR)$Sjobshop_ls.$O:$(CPP_EX_DIR)$Sjobshop_ls.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sjobshop_ls.cc $(OBJ_OUT)$(OBJ_DIR)$Sjobshop_ls.$O
 
-$(BIN_DIR)/cpp/jobshop_ls$E: $(OBJ_DIR)/jobshop_ls.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/jobshop_ls.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sjobshop_ls$E
+$(CPP_BIN_DIR)$Sjobshop_ls$E: $(OBJ_DIR)$Sjobshop_ls.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sjobshop_ls.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sjobshop_ls$E
 
-$(OBJ_DIR)/jobshop_earlytardy.$O:$(EX_DIR)/jobshop_earlytardy.cc $(INC_DIR)/constraint_solver/constraint_solver.h $(EX_DIR)/jobshop_earlytardy.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sjobshop_earlytardy.cc $(OBJ_OUT)$(OBJ_DIR)$Sjobshop_earlytardy.$O
+$(OBJ_DIR)$Sjobshop_earlytardy.$O:$(CPP_EX_DIR)$Sjobshop_earlytardy.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h $(CPP_EX_DIR)$Sjobshop_earlytardy.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sjobshop_earlytardy.cc $(OBJ_OUT)$(OBJ_DIR)$Sjobshop_earlytardy.$O
 
-$(BIN_DIR)/cpp/jobshop_earlytardy$E: $(OBJ_DIR)/jobshop_earlytardy.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/jobshop_earlytardy.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sjobshop_earlytardy$E
+$(CPP_BIN_DIR)$Sjobshop_earlytardy$E: $(OBJ_DIR)$Sjobshop_earlytardy.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sjobshop_earlytardy.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sjobshop_earlytardy$E
 
-$(OBJ_DIR)/magic_square.$O:$(EX_DIR)/magic_square.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Smagic_square.cc $(OBJ_OUT)$(OBJ_DIR)$Smagic_square.$O
+$(OBJ_DIR)$Smagic_square.$O:$(CPP_EX_DIR)$Smagic_square.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Smagic_square.cc $(OBJ_OUT)$(OBJ_DIR)$Smagic_square.$O
 
-$(BIN_DIR)/cpp/magic_square$E: $(OBJ_DIR)/magic_square.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/magic_square.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Smagic_square$E
+$(CPP_BIN_DIR)$Smagic_square$E: $(OBJ_DIR)$Smagic_square.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Smagic_square.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Smagic_square$E
 
-$(OBJ_DIR)/model_util.$O:$(EX_DIR)/model_util.cc $(INC_DIR)/constraint_solver/model.pb.h $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Smodel_util.cc $(OBJ_OUT)$(OBJ_DIR)$Smodel_util.$O
+$(OBJ_DIR)$Smodel_util.$O:$(CPP_EX_DIR)$Smodel_util.cc $(INC_DIR)$Sconstraint_solver$Smodel.pb.h $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Smodel_util.cc $(OBJ_OUT)$(OBJ_DIR)$Smodel_util.$O
 
-$(BIN_DIR)/cpp/model_util$E: $(OBJ_DIR)/model_util.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/model_util.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Smodel_util$E
+$(CPP_BIN_DIR)$Smodel_util$E: $(OBJ_DIR)$Smodel_util.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Smodel_util.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Smodel_util$E
 
-$(OBJ_DIR)/multidim_knapsack.$O:$(EX_DIR)/multidim_knapsack.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Smultidim_knapsack.cc $(OBJ_OUT)$(OBJ_DIR)$Smultidim_knapsack.$O
+$(OBJ_DIR)$Smultidim_knapsack.$O:$(CPP_EX_DIR)$Smultidim_knapsack.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Smultidim_knapsack.cc $(OBJ_OUT)$(OBJ_DIR)$Smultidim_knapsack.$O
 
-$(BIN_DIR)/cpp/multidim_knapsack$E: $(OBJ_DIR)/multidim_knapsack.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/multidim_knapsack.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Smultidim_knapsack$E
+$(CPP_BIN_DIR)$Smultidim_knapsack$E: $(OBJ_DIR)$Smultidim_knapsack.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Smultidim_knapsack.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Smultidim_knapsack$E
 
-$(OBJ_DIR)/network_routing.$O:$(EX_DIR)/network_routing.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Snetwork_routing.cc $(OBJ_OUT)$(OBJ_DIR)$Snetwork_routing.$O
+$(OBJ_DIR)$Snetwork_routing.$O:$(CPP_EX_DIR)$Snetwork_routing.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Snetwork_routing.cc $(OBJ_OUT)$(OBJ_DIR)$Snetwork_routing.$O
 
-$(BIN_DIR)/cpp/network_routing$E: $(GRAPH_DEPS) $(OBJ_DIR)/network_routing.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/network_routing.$O $(OR_TOOLS_LIBS) $(GRAPH_LNK) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Snetwork_routing$E
+$(CPP_BIN_DIR)$Snetwork_routing$E: $(GRAPH_DEPS) $(OBJ_DIR)$Snetwork_routing.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Snetwork_routing.$O $(OR_TOOLS_LIBS) $(GRAPH_LNK) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Snetwork_routing$E
 
-$(OBJ_DIR)/nqueens.$O: $(EX_DIR)/nqueens.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Snqueens.cc $(OBJ_OUT)$(OBJ_DIR)$Snqueens.$O
+$(OBJ_DIR)$Snqueens.$O: $(CPP_EX_DIR)$Snqueens.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Snqueens.cc $(OBJ_OUT)$(OBJ_DIR)$Snqueens.$O
 
-$(BIN_DIR)/cpp/nqueens$E: $(OBJ_DIR)/nqueens.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/nqueens.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Snqueens$E
+$(CPP_BIN_DIR)$Snqueens$E: $(OBJ_DIR)$Snqueens.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Snqueens.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Snqueens$E
 
-$(OBJ_DIR)/pdptw.$O: $(EX_DIR)/pdptw.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Spdptw.cc $(OBJ_OUT)$(OBJ_DIR)$Spdptw.$O
+$(OBJ_DIR)$Spdptw.$O: $(CPP_EX_DIR)$Spdptw.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Spdptw.cc $(OBJ_OUT)$(OBJ_DIR)$Spdptw.$O
 
-$(BIN_DIR)/cpp/pdptw$E: $(OBJ_DIR)/pdptw.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/pdptw.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Spdptw$E
+$(CPP_BIN_DIR)$Spdptw$E: $(OBJ_DIR)$Spdptw.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Spdptw.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Spdptw$E
 
-$(OBJ_DIR)/sports_scheduling.$O:$(EX_DIR)/sports_scheduling.cc $(INC_DIR)/constraint_solver/constraint_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Ssports_scheduling.cc $(OBJ_OUT)$(OBJ_DIR)$Ssports_scheduling.$O
+$(OBJ_DIR)$Ssports_scheduling.$O:$(CPP_EX_DIR)$Ssports_scheduling.cc $(INC_DIR)$Sconstraint_solver$Sconstraint_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Ssports_scheduling.cc $(OBJ_OUT)$(OBJ_DIR)$Ssports_scheduling.$O
 
-$(BIN_DIR)/cpp/sports_scheduling$E: $(OBJ_DIR)/sports_scheduling.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/sports_scheduling.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Ssports_scheduling$E
+$(CPP_BIN_DIR)$Ssports_scheduling$E: $(OBJ_DIR)$Ssports_scheduling.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Ssports_scheduling.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Ssports_scheduling$E
 
-$(OBJ_DIR)/tsp.$O: $(EX_DIR)/tsp.cc $(INC_DIR)/constraint_solver/routing.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Stsp.cc $(OBJ_OUT)$(OBJ_DIR)$Stsp.$O
+$(OBJ_DIR)$Stsp.$O: $(CPP_EX_DIR)$Stsp.cc $(INC_DIR)$Sconstraint_solver$Srouting.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Stsp.cc $(OBJ_OUT)$(OBJ_DIR)$Stsp.$O
 
-$(BIN_DIR)/cpp/tsp$E: $(OBJ_DIR)/tsp.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/tsp.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Stsp$E
+$(CPP_BIN_DIR)$Stsp$E: $(OBJ_DIR)$Stsp.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Stsp.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Stsp$E
 
 # Flow and linear assignment cpp
 
-$(OBJ_DIR)/linear_assignment_api.$O:$(EX_DIR)/linear_assignment_api.cc
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Slinear_assignment_api.cc $(OBJ_OUT)$(OBJ_DIR)$Slinear_assignment_api.$O
+$(OBJ_DIR)$Slinear_assignment_api.$O:$(CPP_EX_DIR)$Slinear_assignment_api.cc
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Slinear_assignment_api.cc $(OBJ_OUT)$(OBJ_DIR)$Slinear_assignment_api.$O
 
-$(BIN_DIR)/cpp/linear_assignment_api$E: $(OBJ_DIR)/linear_assignment_api.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/linear_assignment_api.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Slinear_assignment_api$E
+$(CPP_BIN_DIR)$Slinear_assignment_api$E: $(OBJ_DIR)$Slinear_assignment_api.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Slinear_assignment_api.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Slinear_assignment_api$E
 
-$(OBJ_DIR)/flow_api.$O:$(EX_DIR)/flow_api.cc
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sflow_api.cc $(OBJ_OUT)$(OBJ_DIR)$Sflow_api.$O
+$(OBJ_DIR)$Sflow_api.$O:$(CPP_EX_DIR)$Sflow_api.cc
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sflow_api.cc $(OBJ_OUT)$(OBJ_DIR)$Sflow_api.$O
 
-$(BIN_DIR)/cpp/flow_api$E: $(OBJ_DIR)/flow_api.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/flow_api.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sflow_api$E
+$(CPP_BIN_DIR)$Sflow_api$E: $(OBJ_DIR)$Sflow_api.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sflow_api.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sflow_api$E
 
 # Linear Programming Examples
 
-$(OBJ_DIR)/strawberry_fields_with_column_generation.$O: $(EX_DIR)/strawberry_fields_with_column_generation.cc $(INC_DIR)/linear_solver/linear_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sstrawberry_fields_with_column_generation.cc $(OBJ_OUT)$(OBJ_DIR)$Sstrawberry_fields_with_column_generation.$O
+$(OBJ_DIR)$Sstrawberry_fields_with_column_generation.$O: $(CPP_EX_DIR)$Sstrawberry_fields_with_column_generation.cc $(INC_DIR)$Slinear_solver$Slinear_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sstrawberry_fields_with_column_generation.cc $(OBJ_OUT)$(OBJ_DIR)$Sstrawberry_fields_with_column_generation.$O
 
-$(BIN_DIR)/cpp/strawberry_fields_with_column_generation$E: $(OBJ_DIR)/strawberry_fields_with_column_generation.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/strawberry_fields_with_column_generation.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sstrawberry_fields_with_column_generation$E
+$(CPP_BIN_DIR)$Sstrawberry_fields_with_column_generation$E: $(OBJ_DIR)$Sstrawberry_fields_with_column_generation.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sstrawberry_fields_with_column_generation.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sstrawberry_fields_with_column_generation$E
 
-$(OBJ_DIR)/linear_programming.$O: $(EX_DIR)/linear_programming.cc $(INC_DIR)/linear_solver/linear_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Slinear_programming.cc $(OBJ_OUT)$(OBJ_DIR)$Slinear_programming.$O
+$(OBJ_DIR)$Slinear_programming.$O: $(CPP_EX_DIR)$Slinear_programming.cc $(INC_DIR)$Slinear_solver$Slinear_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Slinear_programming.cc $(OBJ_OUT)$(OBJ_DIR)$Slinear_programming.$O
 
-$(BIN_DIR)/cpp/linear_programming$E: $(OBJ_DIR)/linear_programming.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/linear_programming.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Slinear_programming$E
+$(CPP_BIN_DIR)$Slinear_programming$E: $(OBJ_DIR)$Slinear_programming.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Slinear_programming.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Slinear_programming$E
 
-$(OBJ_DIR)/linear_solver_protocol_buffers.$O: $(EX_DIR)/linear_solver_protocol_buffers.cc $(INC_DIR)/linear_solver/linear_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Slinear_solver_protocol_buffers.cc $(OBJ_OUT)$(OBJ_DIR)$Slinear_solver_protocol_buffers.$O
+$(OBJ_DIR)$Slinear_solver_protocol_buffers.$O: $(CPP_EX_DIR)$Slinear_solver_protocol_buffers.cc $(INC_DIR)$Slinear_solver$Slinear_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Slinear_solver_protocol_buffers.cc $(OBJ_OUT)$(OBJ_DIR)$Slinear_solver_protocol_buffers.$O
 
-$(BIN_DIR)/cpp/linear_solver_protocol_buffers$E: $(OBJ_DIR)/linear_solver_protocol_buffers.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/linear_solver_protocol_buffers.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Slinear_solver_protocol_buffers$E
+$(CPP_BIN_DIR)$Slinear_solver_protocol_buffers$E: $(OBJ_DIR)$Slinear_solver_protocol_buffers.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Slinear_solver_protocol_buffers.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Slinear_solver_protocol_buffers$E
 
-$(OBJ_DIR)/integer_programming.$O: $(EX_DIR)/integer_programming.cc $(INC_DIR)/linear_solver/linear_solver.h
-	$(CCC) $(CFLAGS) -c $(EX_DIR)$Sinteger_programming.cc $(OBJ_OUT)$(OBJ_DIR)$Sinteger_programming.$O
+$(OBJ_DIR)$Sinteger_programming.$O: $(CPP_EX_DIR)$Sinteger_programming.cc $(INC_DIR)$Slinear_solver$Slinear_solver.h
+	$(CCC) $(CFLAGS) -c $(CPP_EX_DIR)$Sinteger_programming.cc $(OBJ_OUT)$(OBJ_DIR)$Sinteger_programming.$O
 
-$(BIN_DIR)/cpp/integer_programming$E: $(OBJ_DIR)/integer_programming.$O
-	$(CCC) $(CFLAGS) $(OBJ_DIR)/integer_programming.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(BIN_DIR)$Scpp$Sinteger_programming$E
+$(CPP_BIN_DIR)$Sinteger_programming$E: $(OBJ_DIR)$Sinteger_programming.$O
+	$(CCC) $(CFLAGS) $(OBJ_DIR)$Sinteger_programming.$O $(OR_TOOLS_LIBS) $(LD_FLAGS) $(EXE_OUT)$(CPP_BIN_DIR)$Sinteger_programming$E
+
+# Java generic compilation command.
+
+$(OBJ_DIR)$Scom$Sgoogle$Sortools$Ssamples$S$(EX).class: $(JAVA_EX_DIR)$Sgoogle$Sortools$Ssamples$S$(EX).java
+	javac -d $(OBJ_DIR) -cp $(LIB_DIR)$Scom.google.ortools.jar$(CPSEP)$(LIB_DIR)$Sprotobuf.jar $(JAVA_EX_DIR)$Sgoogle$Sortools$Ssamples$S$(EX).java
+
+cjava: $(OBJ_DIR)$Scom$Sgoogle$Sortools$Ssamples$S$(EX).class
+
+rjava: $(OBJ_DIR)$Scom$Sgoogle$Sortools$Ssamples$S$(EX).class
+	java -Djava.library.path=$(LIB_DIR) -cp $(OBJ_DIR)$(CPSEP)$(LIB_DIR)$Scom.google.ortools.jar$(CPSEP)$(LIB_DIR)$Sprotobuf.jar com.google.ortools.samples.$(EX) $(ARGS)
+
+# .NET generic compilation command.
+
+ccs: $(CS_EX_DIR)$S$(EX).cs
+	$(CSC) $Starget:exe $Sout:$(CS_BIN_DIR)$S$(EX).exe /platform:$(NETPLATFORM) /lib:$(CPP_BIN_DIR)$Scsharp /r:Google.OrTools.dll /r:Google.Protobuf.dll $(CS_EX_DIR)$S$(EX).cs
+
+rcs: ccs
+	$(MONO) $(CS_BIN_DIR)$S$(EX)$(CLR_EXE_SUFFIX).exe $(ARGS)
 
 # Debug
 
diff --git a/tools/README.cc.java.csharp b/tools/README.cc.java.csharp
index fa526fbd31..e751da9601 100644
--- a/tools/README.cc.java.csharp
+++ b/tools/README.cc.java.csharp
@@ -22,13 +22,27 @@ or-tools/
 
  ##########################  C++   ###########################
 
-  Use Makefile
+Use Makefile:
+
+  - on unix:
+make bin/cpp/golomb
+./bin/cpp/golomb
+
+  - on windows:
+make bin\\cpp\\golomb.exe
+bin\\cpp\golomb.exe
+
 
  ##########################  java   ##########################
 
 Running the examples will involve compiling them, then running them.
+We have provided a makefile target to help you. You need to have the
+java and javac tools accessible from the command line.
 
-Let's compile and run examples/com/google/ortools/samples/RabbitsPheasants.java:
+make rjava EX=RabbitsPheasants
+
+This is equivalent to compiling and running
+examples/com/google/ortools/samples/RabbitsPheasants.java:
 
   - on unix:
 javac -d objs -cp lib/com.google.ortools.jar:lib/protobuf.jar examples/com/google/ortools/samples/RabbitsPheasants.java
@@ -42,8 +56,12 @@ java -Djava.library.path=lib -cp objs;lib/com.google.ortools.jar com.google.orto
  ##########################  .Net   ##########################
 
 Running the examples will involve compiling them, then running them.
+We have provided a makefile target to help you. You need to have the
+compiler tools accessible from the command line.
 
-Let's compile examples/csflow.cs and run it:
+make rcs EX=csflow
+
+This is equivalent to compiling and running examples/csflow.cs and running it:
 
   - on windows 32 bit:
 csc /target:exe /out:bin\csharp\csflow.exe /platform:x86 /lib:bin\csharp /r:Google.OrTools.dll examples\csharp\csflow.cs