diff --git a/Makefile b/Makefile
index 2dfcab8d27..0598adf83a 100755
--- a/Makefile
+++ b/Makefile
@@ -36,6 +36,7 @@ endif
 
 .PHONY : python cc java csharp sat third_party_check
 all: third_party_check cc java python csharp
+	@echo Or-tools have been built for $(BUILT_LANGUAGES)
 clean: clean_cc clean_java clean_python clean_csharp clean_compat
 
 # First, we try to detect the platform.
@@ -59,7 +60,7 @@ include $(OR_ROOT)makefiles/Makefile.csharp.mk
 include $(OR_ROOT)makefiles/Makefile.archive.mk
 
 # Include test
-include $(OR_ROOT)makefiles/Makefile.test.$(SYSTEM)
+include $(OR_ROOT)makefiles/Makefile.test
 
 # Finally include user makefile if it exists
 -include $(OR_ROOT)Makefile.user
@@ -70,6 +71,4 @@ ifeq ($(wildcard dependencies/install/include/gflags/gflags.h),)
 	@echo "One of the third party files was not found! did you run 'make third_party'?" && exit 1
 endif
 
-print-%  : ; @echo $* = $($*)
-
-
+print-%  : ; @echo $* = $($*)
\ No newline at end of file
diff --git a/makefiles/Makefile.cpp.mk b/makefiles/Makefile.cpp.mk
index 0dcb04e4f3..a44f310506 100755
--- a/makefiles/Makefile.cpp.mk
+++ b/makefiles/Makefile.cpp.mk
@@ -5,6 +5,8 @@
 # Main target
 cc: ortoolslibs ccexe
 
+BUILT_LANGUAGES += C++
+
 # Clean target
 
 clean_cc:
@@ -646,4 +648,4 @@ printdir:
 	@echo GEN_DIR = $(GEN_DIR)
 	@echo OBJ_DIR = $(OBJ_DIR)
 	@echo SRC_DIR = $(SRC_DIR)
-	@echo EX_DIR  = $(EX_DIR)
+	@echo EX_DIR  = $(EX_DIR)
\ No newline at end of file
diff --git a/makefiles/Makefile.csharp.mk b/makefiles/Makefile.csharp.mk
index 132c025e91..88ce44801a 100755
--- a/makefiles/Makefile.csharp.mk
+++ b/makefiles/Makefile.csharp.mk
@@ -64,22 +64,17 @@ CSHARPEXE = \
 csharpexe: $(CSHARPEXE)
 
 # Main target.
-ifeq ("$(SYSTEM)","unix")
-ifeq ($(MCS),)
-ifneq ($(REAL_MCS),)
-csharp: warn_mcs
-else   # REAL_MCS
+CANONIC_PATH_TO_CSHARP_COMPILER = $(subst $(SPACE),$(BACKSLASH_SPACE),$(subst \,/,$(subst \\,/,$(PATH_TO_CSHARP_COMPILER))))
+ifeq ($(wildcard $(CANONIC_PATH_TO_CSHARP_COMPILER)),)
 csharp:
-endif  # REAL_MCS
-else   # MCS
-csharp: csharpsolution csharportools csharpexe
-endif  # MCS
-else   # Windows
-csharp: csharpsolution csharportools csharpexe
-endif  # Windows
+	@echo "The chsarp compiler was not set properly. Check Makefile.local for more information."
+test_csharp: csharp
 
-warn_mcs:
-	$(warning mcs version 4.2.0.0 or greater is required, csharp files will not be compiled)
+else
+csharp: csharpsolution csharportools csharpexe
+test_csharp: test_csharp_examples
+BUILT_LANGUAGES +=, C\#
+endif
 
 # Clean target.
 clean_csharp:
@@ -458,9 +453,9 @@ examples/csharp/solution/%.csproj: examples/csharp/%.cs tools/template.csproj
 # Replace all "EXECUTABLE" instances with the name of the executable. the first letter is capitalized.
 	$(SED) -i -e "s/SOURCEFILE/$*.cs/" -e "s/EXECUTABLE/\u$*/" examples$Scsharp$Ssolution$S$(@F)
 
-all_csproj: $(patsubst examples/csharp/%.cs, examples/csharp/solution/%.csproj, $(wildcard examples/csharp/*.cs))
+ALL_CSPROJ= $(patsubst examples/csharp/%.cs, examples/csharp/solution/%.csproj, $(wildcard examples/csharp/*.cs))
 
-examples/csharp/Csharp_examples.sln: tools/template.sln all_csproj
+examples/csharp/Csharp_examples.sln: tools/template.sln $(ALL_CSPROJ)
 	-$(DEL) examples$Scsharp$SCsharp_examples.sln
 	$(COPY) tools$Stemplate.sln examples$Scsharp$SCsharp_examples.sln
 #Add the *csproj files to the solution
diff --git a/makefiles/Makefile.java.mk b/makefiles/Makefile.java.mk
index efe362a912..9c0991eabf 100755
--- a/makefiles/Makefile.java.mk
+++ b/makefiles/Makefile.java.mk
@@ -1,7 +1,19 @@
-# Main target
-java: javaortools
+# ---------- Java support using SWIG ----------
+
+.PHONY: java rjava cjava
+ 
+CANONIC_JDK_DIRECTORY = $(subst $(SPACE),$(BACKSLASH_SPACE),$(subst \,/,$(subst \\,/,$(JDK_DIRECTORY))))
+# Main target
+ifeq ($(wildcard $(CANONIC_JDK_DIRECTORY)),)
+java:
+	@echo "The java executable was not set properly. Check Makefile.local for more information."
+test_java: java
+else
+java: $(JAVA_ORTOOLS_LIBS)
+test_java: test_java_examples
+BUILT_LANGUAGES +=, java
+endif
 
-.PHONY: java javaortools rjava cjava
 
 # Clean target
 clean_java:
@@ -22,13 +34,8 @@ clean_java:
 	-$(DEL) $(OBJ_DIR)$Scom$Sgoogle$Sortools$Ssamples$S*.class
 	-$(DEL) $(OBJ_DIR)$Sswig$S*java_wrap.$O
 
-# ---------- Java support using SWIG ----------
-
-
 JAVA_ORTOOLS_LIBS= $(LIB_DIR)/com.google.ortools.jar $(LIB_DIR)/$(LIB_PREFIX)jniortools.$(JNI_LIB_EXT)
 
-javaortools: $(JAVA_ORTOOLS_LIBS)
-
 $(GEN_DIR)/constraint_solver/constraint_solver_java_wrap.cc: $(SRC_DIR)/constraint_solver/java/constraint_solver.swig $(SRC_DIR)/constraint_solver/java/routing.swig $(SRC_DIR)/base/base.swig $(SRC_DIR)/util/java/vector.swig $(SRC_DIR)/base/base.swig $(SRC_DIR)/util/java/proto.swig $(ROUTING_DEPS)
 	$(SWIG_BINARY) -I$(INC_DIR) -c++ -java -o $(GEN_DIR)$Sconstraint_solver$Sconstraint_solver_java_wrap.cc -package com.google.ortools.constraintsolver -module operations_research_constraint_solver -outdir $(GEN_DIR)$Scom$Sgoogle$Sortools$Sconstraintsolver $(SRC_DIR)$Sconstraint_solver$Sjava$Srouting.swig
 
@@ -396,6 +403,4 @@ rjava: $(EX_class_file) $(JAVA_ORTOOLS_LIBS)
 	$(JAVA_BIN) -Djava.library.path=$(LIB_DIR) -cp $(OBJ_DIR)$(CPSEP)$(LIB_DIR)$Scom.google.ortools.jar$(CPSEP)$(LIB_DIR)$Sprotobuf.jar $(EX_class) $(ARGS)
 endif
 
-endif # ifeq ($(EX),)
-
-
+endif # ifeq ($(EX),)
\ No newline at end of file
diff --git a/makefiles/Makefile.port b/makefiles/Makefile.port
index 9133375c67..cf968832bf 100755
--- a/makefiles/Makefile.port
+++ b/makefiles/Makefile.port
@@ -1,3 +1,7 @@
+# Util variables
+SPACE := $(empty) $(empty)
+BACKSLASH_SPACE := $(empty)\ $(empty)
+
 # Let's discover something about where we run
 ifeq "$(SHELL)" "cmd.exe"
   SYSTEM = win
@@ -36,7 +40,7 @@ ifeq ("$(SYSTEM)","unix")
         /usr/local/buildtools/java/jdk-64 \
         /usr/lib/jvm/java-1.7.0-openjdk.x86_64 \
         /usr/lib64/jvm/java-1.6.0-openjdk-1.6.0 \
-	/usr/lib64/jvm/java-6-sun-1.6.0.26 \
+  /usr/lib64/jvm/java-6-sun-1.6.0.26 \
         /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64 \
         /usr/lib/jvm/java-6-openjdk-amd64 \
         /usr/lib/jvm/java-7-openjdk-amd64 \
@@ -51,13 +55,13 @@ ifeq ("$(SYSTEM)","unix")
         /usr/local/buildtools/java/jdk-32 \
         /usr/lib/jvm/java-1.7.0-openjdk-i386 \
         /usr/lib/jvm/java-1.6.0-openjdk-1.6.0 \
-	/usr/lib/jvm/java-6-sun-1.6.0.26 \
+  /usr/lib/jvm/java-6-sun-1.6.0.26 \
         /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86 \
         /usr/lib/jvm/java-6-openjdk-i386 \
         /usr/lib/jvm/java-7-openjdk-i386
 
     endif
-    SELECTED_JDK_DEF = LINUX_JDK_ROOT = $(firstword $(wildcard $(CANDIDATE_JDK_ROOTS)))
+    SELECTED_JDK_DEF = JDK_DIRECTORY = $(firstword $(wildcard $(CANDIDATE_JDK_ROOTS)))
   endif
   ifeq ($(OS),Darwin) # Assume Mac Os X
     PLATFORM = MACOSX
@@ -68,25 +72,27 @@ ifeq ("$(SYSTEM)","unix")
     PTRLENGTH = 64
     GUROBI_PLATFORM=mac64
     ifeq ($(wildcard /usr/libexec/java_home),)
-      SELECTED_JDK_DEF = MAC_JDK_HEADERS = \\\# /usr/libexec/java_home could not be found on your system. did you install JDK?
+      SELECTED_JDK_DEF = JDK_DIRECTORY = \\\# /usr/libexec/java_home could not be found on your system. Set this variable to the path to jdk to build the java files.
     else
-      SELECTED_JDK_DEF = MAC_JDK_HEADERS = $(shell /usr/libexec/java_home)/include
+      SELECTED_JDK_DEF = JDK_DIRECTORY = $(shell /usr/libexec/java_home)/include
     endif
     MAC_MIN_VERSION = 10.8
   endif
 
   # Look at mono compiler.
   REAL_MCS = $(shell which mcs)
+  MINIMUM_REQUIRED_MCS_VERSION = 4.2
   ifneq ($(REAL_MCS),)
     ifeq ($(PLATFORM),LINUX)
       MCS_VERSION = $(shell $(REAL_MCS) --version | grep -P '\d\.\d' -o | head -1)
     else # Mac OS X
       MCS_VERSION = $(shell $(REAL_MCS) --Version | grep -E '\d\.\d' -o | head -1)
     endif
-    ifneq ("4.2", "$(word 1,$(sort 4.2 $(MCS_VERSION)))")
-      MCS := $(null)
+    ifneq ("$(MINIMUM_REQUIRED_MCS_VERSION)", "$(word 1,$(sort $(MINIMUM_REQUIRED_MCS_VERSION) $(MCS_VERSION)))")
+      DETECTED_MCS_BINARY := \\\# The detected mcs version is $(MCS_VERSION) \
+      while the minimum required version is $(MINIMUM_REQUIRED_MCS_VERSION).
     else
-      MCS := $(REAL_MCS)
+      DETECTED_MCS_BINARY := $(REAL_MCS)
     endif
   endif
 endif
@@ -149,7 +155,31 @@ ifeq ("$(SYSTEM)","win")
   SCIP_MAKEFILE = \# SCIP not compiled
 
   # Java specific
-  SELECTED_JDK_DEF = WINDOWS_JDK_DIR = \# Please define JDK root.
+  ifeq ($(JAVA_HOME),)
+    SELECTED_JDK_DEF = JDK_DIRECTORY = \# JAVA_HOME is not set on your system. Set the JDK_DIRECTORY variable to the path to jdk to build the java files.
+  else
+    SELECTED_JDK_DEF = JDK_DIRECTORY = $(JAVA_HOME)
+  endif
+
+  # Detect Python
+  DETECTED_PATH_TO_PYTHON = $(shell python -c "from sys import executable; from os.path import sep; print(sep.join(executable.split(sep)[:-1]).rstrip())")
+   CANONIC_DETECTED_PATH_TO_PYTHON = $(subst $(SPACE),$(BACKSLASH_SPACE),$(subst \,/,$(subst \\,/,$(DETECTED_PATH_TO_PYTHON))))
+   ifeq ($(wildcard $(CANONIC_DETECTED_PATH_TO_PYTHON)),)
+    SELECTED_PATH_TO_PYTHON = WINDOWS_PATH_TO_PYTHON =\# python was not found. Set this variable to the path to python to build the python files. Don't include the name of the executable in the path! (ex: WINDOWS_PATH_TO_PYTHON = c:\\python27-64)
+  else
+    SELECTED_PATH_TO_PYTHON = WINDOWS_PATH_TO_PYTHON = $(DETECTED_PATH_TO_PYTHON)
+  endif
+  WINDOWS_PYTHON_VERSION = $(shell python -c "from sys import version_info as v; print (str(v[0]) + str(v[1]))")
+
+  #Detect csc
+
+DETECTED_CSC_BINARY := $(shell where /F csc | tools\\sed.exe -n "/\".*\"/{p;q;}" | tools\\sed "s/\"//g")
+  ifeq ($(DETECTED_CSC_BINARY),)
+    SELECTED_CSC_BINARY = PATH_TO_CSHARP_COMPILER =\# csc was not found. Set this variable to the path of csc to build the chsarp files. (ex: PATH_TO_CSHARP_COMPILER = C:\Program Files (x86)\MSBuild\14.0\Bin\amd64\csc.exe)
+  else
+    SELECTED_CSC_BINARY = PATH_TO_CSHARP_COMPILER = $(DETECTED_CSC_BINARY)
+  endif
+  CSC = "$(PATH_TO_CSHARP_COMPILER)"
 endif
 
 # Get github revision level
@@ -166,20 +196,20 @@ INSTALL_DIR=or-tools_$(PORT)_v$(OR_TOOLS_VERSION)
 FZ_INSTALL_DIR=or-tools_flatzinc_$(PORT)_v$(OR_TOOLS_VERSION)
 
 printport:
-	@echo SHELL = $(SHELL)
-	@echo OR_TOOLS_TOP = $(OR_TOOLS_TOP)
-	@echo SYSTEM = $(SYSTEM)
-	@echo PLATFORM = $(PLATFORM)
-	@echo PTRLENGTH = $(PTRLENGTH)
-	@echo GIT_REVISION = $(GIT_REVISION)
-	@echo GIT_HASH = $(GIT_HASH)
-	@echo PORT = $(PORT)
-	@echo OR_TOOLS_VERSION = $(OR_TOOLS_VERSION)
-	@echo OR_TOOLS_SHORT_VERSION = $(OR_TOOLS_SHORT_VERSION)
+  @echo SHELL = $(SHELL)
+  @echo OR_TOOLS_TOP = $(OR_TOOLS_TOP)
+  @echo SYSTEM = $(SYSTEM)
+  @echo PLATFORM = $(PLATFORM)
+  @echo PTRLENGTH = $(PTRLENGTH)
+  @echo GIT_REVISION = $(GIT_REVISION)
+  @echo GIT_HASH = $(GIT_HASH)
+  @echo PORT = $(PORT)
+  @echo OR_TOOLS_VERSION = $(OR_TOOLS_VERSION)
+  @echo OR_TOOLS_SHORT_VERSION = $(OR_TOOLS_SHORT_VERSION)
 ifeq ("$(SYSTEM)","unix")
-	@echo MCS = $(MCS)
-	@echo DETECTED_PYTHON_VERSION = $(DETECTED_PYTHON_VERSION)
-	@echo SELECTED_JDK_DEF = $(SELECTED_JDK_DEF)
+  @echo PATH_TO_CSHARP_COMPILER = $(PATH_TO_CSHARP_COMPILER)
+  @echo DETECTED_PYTHON_VERSION = $(DETECTED_PYTHON_VERSION)
+  @echo SELECTED_JDK_DEF = $(SELECTED_JDK_DEF)
 else
-	@echo CMAKE_PLATFORM = $(CMAKE_PLATFORM)
-endif
+  @echo CMAKE_PLATFORM = $(CMAKE_PLATFORM)
+endif
\ No newline at end of file
diff --git a/makefiles/Makefile.python.mk b/makefiles/Makefile.python.mk
index 69734fcf0d..0e4abbbd00 100755
--- a/makefiles/Makefile.python.mk
+++ b/makefiles/Makefile.python.mk
@@ -28,15 +28,25 @@ endif
 OR_TOOLS_PYTHONPATH = $(OR_ROOT_FULL)$Ssrc$(CPSEP)$(OR_ROOT_FULL)$Sdependencies$Ssources$Sprotobuf-$(PROTOBUF_TAG)$Spython
 
 ifeq ($(SYSTEM),win)
-  PYTHON_EXECUTABLE = $(WINDOWS_PATH_TO_PYTHON)$Spython
+  PYTHON_EXECUTABLE = $(WINDOWS_PATH_TO_PYTHON)$Spython.exe
   SET_PYTHONPATH = @set PYTHONPATH=$(OR_TOOLS_PYTHONPATH) &&
 else #UNIX
-  PYTHON_EXECUTABLE = python$(UNIX_PYTHON_VER)
+  PYTHON_EXECUTABLE = $(shell which python$(UNIX_PYTHON_VER))
   SET_PYTHONPATH = @PYTHONPATH=$(OR_TOOLS_PYTHONPATH)
 endif
 
 # Main target
+CANONIC_PYTHON_EXECUTABLE = $(subst $(SPACE),$(BACKSLASH_SPACE),$(subst \,/,$(subst \\,/,$(PYTHON_EXECUTABLE))))
+ifeq ($(wildcard  $(CANONIC_PYTHON_EXECUTABLE)),)
+python:
+	@echo "The python executable was not set properly. Check Makefile.local for more information."
+test_python: python
+
+else
 python: install_python_modules pyinit pycp pyalgorithms pygraph pylp
+test_python: test_python_examples
+BUILT_LANGUAGES +=, python
+endif
 
 # Clean target
 clean_python:
diff --git a/makefiles/Makefile.test b/makefiles/Makefile.test
new file mode 100755
index 0000000000..77684e23fb
--- /dev/null
+++ b/makefiles/Makefile.test
@@ -0,0 +1,42 @@
+.PHONY : test
+test: test_cc test_python test_java test_csharp
+	@echo Or-tools have been built and tested for $(BUILT_LANGUAGES)
+
+test_cc: cc
+	$(BIN_DIR)$Sgolomb$E --size=5
+	$(BIN_DIR)$Scvrptw$E
+	$(BIN_DIR)$Sflow_api$E
+	$(BIN_DIR)$Slinear_programming$E
+	$(BIN_DIR)$Sinteger_programming$E
+	$(BIN_DIR)$Stsp$E
+
+test_python_examples: python
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Spython$Shidato_table.py
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Spython$Stsp.py
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Spython$Spyflow_example.py
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Spython$Sknapsack.py
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Spython$Slinear_programming.py
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Spython$Sinteger_programming.py
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Stests$Stest_cp_api.py
+	$(SET_PYTHONPATH) $(PYTHON_EXECUTABLE) $(EX_DIR)$Stests$Stest_lp_api.py
+
+test_java_examples: java run_RabbitsPheasants run_FlowExample \
+run_Tsp run_LinearProgramming run_IntegerProgramming \
+run_Knapsack run_MultiThreadIntegerProgramming
+
+# csharp test
+test_csharp_examples: $(CSHARPEXE) $(BIN_DIR)/testlp$(CLR_EXE_SUFFIX).exe $(BIN_DIR)/testcp$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scslinearprogramming$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scsintegerprogramming$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scsrabbitspheasants$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scsflow$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scsknapsack$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Sfurniture_moving_intervals$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Sorganize_day_intervals$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Sfurniture_moving_intervals$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Stechtalk_scheduling$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scsls_api$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scstsp$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Scscvrptw$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Stestlp$(CLR_EXE_SUFFIX).exe
+	$(MONO) $(BIN_DIR)$Stestcp$(CLR_EXE_SUFFIX).exe
\ No newline at end of file
diff --git a/makefiles/Makefile.test.unix b/makefiles/Makefile.test.unix
deleted file mode 100755
index 8a00b08f4d..0000000000
--- a/makefiles/Makefile.test.unix
+++ /dev/null
@@ -1,45 +0,0 @@
-.PHONY : test
-test: test_cc test_python test_java test_csharp
-
-test_cc: cc
-	$(BIN_DIR)/golomb --size=5
-	$(BIN_DIR)/cvrptw
-	$(BIN_DIR)/flow_api
-	$(BIN_DIR)/linear_programming
-	$(BIN_DIR)/integer_programming
-
-test_python: python
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/python/hidato_table.py
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/python/tsp.py
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/python/pyflow_example.py
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/python/knapsack.py
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/python/linear_programming.py
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/python/integer_programming.py
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/tests/test_cp_api.py
-	PYTHONPATH=$(OR_TOOLS_PYTHONPATH) python$(PYTHON_VERSION) $(EX_DIR)/tests/test_lp_api.py
-
-test_java: java run_RabbitsPheasants run_FlowExample run_Tsp run_LinearProgramming run_IntegerProgramming run_Knapsack run_MultiThreadIntegerProgramming
-
-# csharp test
-
-ifneq ($(MCS),)
-CSHARP_TEST = run_test_csharp
-endif
-
-test_csharp: $(CSHARP_TEST)
-
-run_test_csharp: $(CSHARPEXE) $(BIN_DIR)/testlp$(CLR_EXE_SUFFIX).exe $(BIN_DIR)/testcp$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/cslinearprogramming$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/csintegerprogramming$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/csrabbitspheasants$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/csflow$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/csknapsack$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/furniture_moving_intervals$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/organize_day_intervals$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/furniture_moving_intervals$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/techtalk_scheduling$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/csls_api$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/cstsp$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/cscvrptw$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/testlp$(CLR_EXE_SUFFIX).exe
-	$(MONO) $(BIN_DIR)/testcp$(CLR_EXE_SUFFIX).exe
diff --git a/makefiles/Makefile.test.win b/makefiles/Makefile.test.win
deleted file mode 100755
index d7fbaa7b86..0000000000
--- a/makefiles/Makefile.test.win
+++ /dev/null
@@ -1,33 +0,0 @@
-test: test_cc test_python test_java test_csharp
-
-test_cc: cc
-	$(BIN_DIR)\\golomb.exe --size=5
-	$(BIN_DIR)\\cvrptw.exe
-	$(BIN_DIR)\\flow_api.exe
-	$(BIN_DIR)\\linear_programming.exe
-	$(BIN_DIR)\\integer_programming.exe
-	$(BIN_DIR)\\tsp.exe
-
-test_python: python
-	set PYTHONPATH=$(OR_TOOLS_PYTHONPATH) && $(WINDOWS_PATH_TO_PYTHON)\\python $(EX_DIR)\\python\\hidato_table.py
-	set PYTHONPATH=$(OR_TOOLS_PYTHONPATH) && $(WINDOWS_PATH_TO_PYTHON)\\python $(EX_DIR)\\python\\tsp.py
-	set PYTHONPATH=$(OR_TOOLS_PYTHONPATH) && $(WINDOWS_PATH_TO_PYTHON)\\python $(EX_DIR)\\python\\pyflow_example.py
-	set PYTHONPATH=$(OR_TOOLS_PYTHONPATH) && $(WINDOWS_PATH_TO_PYTHON)\\python $(EX_DIR)\\python\\knapsack.py
-	set PYTHONPATH=$(OR_TOOLS_PYTHONPATH) && $(WINDOWS_PATH_TO_PYTHON)\\python $(EX_DIR)\\python\\linear_programming.py
-	set PYTHONPATH=$(OR_TOOLS_PYTHONPATH) && $(WINDOWS_PATH_TO_PYTHON)\\python $(EX_DIR)\python\\integer_programming.py
-
-test_java: java run_RabbitsPheasants run_FlowExample run_Tsp run_LinearProgramming run_IntegerProgramming run_Knapsack run_MultiThreadIntegerProgramming
-
-# csharp test
-test_csharp: $(CSHARPEXE) $(BIN_DIR)/testlp$(CLR_EXE_SUFFIX).exe $(BIN_DIR)/testcp$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\cslinearprogramming$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\csintegerprogramming$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\csrabbitspheasants$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\csflow$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\csknapsack$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\furniture_moving_intervals$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\organize_day_intervals$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\cstsp$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\cscvrptw$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\testlp$(CLR_EXE_SUFFIX).exe
-	$(BIN_DIR)\\testcp$(CLR_EXE_SUFFIX).exe
diff --git a/makefiles/Makefile.third_party.unix b/makefiles/Makefile.third_party.unix
index 529b2a1b87..b42c42445a 100755
--- a/makefiles/Makefile.third_party.unix
+++ b/makefiles/Makefile.third_party.unix
@@ -29,7 +29,7 @@ SULUM_TAG = 43
 # Detect if SCIP archive is there.
 ifeq ($(wildcard dependencies/archives/scipoptsuite-$(SCIP_TAG).tgz),)
     SCIP_TARGET =
-    SCIP_MAKEFILE = "\# Please add scipoptsuite-$(SCIP_TAG).tgz to dependencies/archives to add support for SCIP."
+    SCIP_MAKEFILE = "\# Download and put scipoptsuite-$(SCIP_TAG).tgz in the dependencies/archives directory to add support for SCIP."
 else
     SCIP_TARGET = dependencies/install/scipoptsuite-$(SCIP_TAG)/scip-$(SCIP_TAG)/bin/scip
     SCIP_MAKEFILE = UNIX_SCIP_DIR = $(OR_ROOT_FULL)/dependencies/install/scipoptsuite-$(SCIP_TAG)/scip-$(SCIP_TAG)
@@ -44,7 +44,7 @@ endif
 # Detect if GLPK archive is there.
 ifeq ($(wildcard dependencies/archives/glpk-$(GLPK_TAG).tar.gz),)
     GLPK_TARGET =
-    GLPK_MAKEFILE = "\# Please add glpk-$(GLPK_TAG).tar.gz in dependencies/archives to add support for GLPK."
+    GLPK_MAKEFILE = "\# Download and put glpk-$(GLPK_TAG).tar.gz under dependencies/archives to add support for GLPK."
 else
     GLPK_TARGET = dependencies/install/bin/glpsol
     GLPK_MAKEFILE = UNIX_GLPK_DIR = $(OR_ROOT_FULL)/dependencies/install
@@ -219,7 +219,7 @@ src/gen/sat:
 # Install gflags. This uses cmake.
 install_gflags: dependencies/install/bin/gflags_completions.sh
 
-CMAKE_MISSING = "cmake not found in /Applications, nor in the PATH, please install the official version, or from brew"
+CMAKE_MISSING = "cmake not found in /Applications, nor in the PATH. Install the official version, or from brew"
 
 check_cmake:
 ifeq ($(PLATFORM),MACOSX)
@@ -468,21 +468,25 @@ clean_third_party:
 # Create Makefile.local
 makefile_third_party: Makefile.local
 
-Makefile.local:
+Makefile.local: makefiles/Makefile.third_party.unix
+	-$(DEL) Makefile.local
 	@echo Generating Makefile.local
-	@echo UNIX_PYTHON_VER = $(DETECTED_PYTHON_VERSION) > Makefile.local
-	@echo UNIX_GFLAGS_DIR = $(OR_ROOT_FULL)/dependencies/install >> Makefile.local
-	@echo UNIX_PROTOBUF_DIR = $(OR_ROOT_FULL)/dependencies/install >> Makefile.local
-	@echo UNIX_SPARSEHASH_DIR = $(OR_ROOT_FULL)/dependencies/install >> Makefile.local
-	@echo UNIX_SWIG_BINARY = $(OR_ROOT_FULL)/dependencies/install/bin/swig >> Makefile.local
-	@echo UNIX_CLP_DIR = $(OR_ROOT_FULL)/dependencies/install >> Makefile.local
-	@echo UNIX_CBC_DIR = $(OR_ROOT_FULL)/dependencies/install >> Makefile.local
-	@echo $(GLPK_MAKEFILE) >> Makefile.local
-	@echo $(SCIP_MAKEFILE) >> Makefile.local
-	@echo UNIX_SCIP_TAG = $(SCIP_TAG) >> Makefile.local
-	@echo CLR_KEYFILE = bin/or-tools.snk >> Makefile.local
-	@echo UNIX_SULUM_VERSION = $(SULUM_TAG) >> Makefile.local
-	@echo \# Please define UNIX_SLM_DIR to use Sulum Optimization. >> Makefile.local
-	@echo \# Please define UNIX_GUROBI_DIR and GUROBI_LIB_VERSION to use Gurobi. >> Makefile.local
-	@echo \# Please define UNIX_CPLEX_DIR to use CPLEX. >> Makefile.local
-	@echo $(SELECTED_JDK_DEF) >> Makefile.local
+	@echo $(SELECTED_JDK_DEF)>> Makefile.local
+	@echo UNIX_PYTHON_VER = $(DETECTED_PYTHON_VERSION)>> Makefile.local
+	@echo PATH_TO_CSHARP_COMPILER = $(DETECTED_MCS_BINARY)>> Makefile.local
+	@echo >> Makefile.local
+	@echo $(GLPK_MAKEFILE)>> Makefile.local
+	@echo $(SCIP_MAKEFILE)>> Makefile.local
+	@echo \# Define UNIX_SLM_DIR to use Sulum Optimization.>> Makefile.local
+	@echo \# Define UNIX_GUROBI_DIR and GUROBI_LIB_VERSION to use Gurobi.>> Makefile.local
+	@echo \# Define UNIX_CPLEX_DIR to use CPLEX.>> Makefile.local
+	@echo>> Makefile.local
+	@echo UNIX_GFLAGS_DIR = $(OR_ROOT_FULL)/dependencies/install>> Makefile.local
+	@echo UNIX_PROTOBUF_DIR = $(OR_ROOT_FULL)/dependencies/install>> Makefile.local
+	@echo UNIX_SPARSEHASH_DIR = $(OR_ROOT_FULL)/dependencies/install>> Makefile.local
+	@echo UNIX_SWIG_BINARY = $(OR_ROOT_FULL)/dependencies/install/bin/swig>> Makefile.local
+	@echo UNIX_CLP_DIR = $(OR_ROOT_FULL)/dependencies/install>> Makefile.local
+	@echo UNIX_CBC_DIR = $(OR_ROOT_FULL)/dependencies/install>> Makefile.local
+	@echo UNIX_SCIP_TAG = $(SCIP_TAG)>> Makefile.local
+	@echo CLR_KEYFILE = bin/or-tools.snk>> Makefile.local
+	@echo UNIX_SULUM_VERSION = $(SULUM_TAG)>> Makefile.local
\ No newline at end of file
diff --git a/makefiles/Makefile.third_party.win b/makefiles/Makefile.third_party.win
index 2e92da9d02..06156203f8 100755
--- a/makefiles/Makefile.third_party.win
+++ b/makefiles/Makefile.third_party.win
@@ -431,22 +431,24 @@ clean_third_party:
 # Create Makefile.local
 makefile_third_party: Makefile.local
 
-Makefile.local:
-	@echo Generating Makefile.local
-	@echo WINDOWS_ZLIB_DIR = $(OR_ROOT_FULL)\\dependencies\\install> Makefile.local
+Makefile.local: makefiles/Makefile.third_party.win
+	-$(DEL) Makefile.local
+	@echo $(SELECTED_JDK_DEF)>> Makefile.local
+	@echo $(SELECTED_PATH_TO_PYTHON)>> Makefile.local
+	@echo $(SELECTED_CSC_BINARY)>> Makefile.local
+	@echo #>> Makefile.local
+	@echo $(GLPK_MAKEFILE)>> Makefile.local
+	@echo $(SCIP_MAKEFILE)>> Makefile.local
+	@echo CLR_KEYFILE = bin\\or-tools.snk>> Makefile.local
+	@echo WINDOWS_SULUM_VERSION = $(SULUM_TAG)>> Makefile.local
+	@echo # Define WINDOWS_SLM_DIR to use Sulum Optimization.>> Makefile.local
+	@echo # Define WINDOWS_GUROBI_DIR and GUROBI_LIB_VERSION to use Gurobi.>> Makefile.local
+	@echo #>> Makefile.local
+	@echo WINDOWS_ZLIB_DIR = $(OR_ROOT_FULL)\\dependencies\\install>> Makefile.local
 	@echo WINDOWS_ZLIB_NAME=zlib.lib>> Makefile.local
 	@echo WINDOWS_GFLAGS_DIR = $(OR_ROOT_FULL)\\dependencies\\install>> Makefile.local
 	@echo WINDOWS_PROTOBUF_DIR = $(OR_ROOT_FULL)\\dependencies\\install>> Makefile.local
 	@echo WINDOWS_SPARSEHASH_DIR = $(OR_ROOT_FULL)\\dependencies\\install>> Makefile.local
 	@echo WINDOWS_SWIG_BINARY = $(OR_ROOT_FULL)\\dependencies\\install\\swigwin-$(SWIG_TAG)\\swig.exe>> Makefile.local
 	@echo WINDOWS_CLP_DIR = $(OR_ROOT_FULL)\\dependencies\\install>> Makefile.local
-	@echo WINDOWS_CBC_DIR = $(OR_ROOT_FULL)\\dependencies\\install>> Makefile.local
-	@echo $(GLPK_MAKEFILE)>> Makefile.local
-	@echo $(SCIP_MAKEFILE)>> Makefile.local
-	@echo CLR_KEYFILE = bin\\or-tools.snk >> Makefile.local
-	@echo WINDOWS_SULUM_VERSION = $(SULUM_TAG) >> Makefile.local
-	@echo # Please define WINDOWS_SLM_DIR to use Sulum Optimization. >> Makefile.local
-	@echo # Please define WINDOWS_GUROBI_DIR and GUROBI_LIB_VERSION to use Gurobi. >> Makefile.local
-	@echo $(SELECTED_JDK_DEF)>> Makefile.local
-	@echo WINDOWS_PYTHON_VERSION = \# Please define the python version (27 by default)>> Makefile.local
-	@echo WINDOWS_PATH_TO_PYTHON = \# Please define WINDOWS_PATH_TO_PYTHON (c:\\python27 by default)>> Makefile.local
+	@echo WINDOWS_CBC_DIR = $(OR_ROOT_FULL)\\dependencies\\install>> Makefile.local
\ No newline at end of file
diff --git a/makefiles/Makefile.unix b/makefiles/Makefile.unix
index 01f0ea410b..e86b50a948 100755
--- a/makefiles/Makefile.unix
+++ b/makefiles/Makefile.unix
@@ -123,7 +123,7 @@ ifeq ($(PLATFORM),LINUX)
   else
     ARCH  =
   endif
-  CSC = mcs
+  CSC = $(PATH_TO_CSHARP_COMPILER)
   MONO = LD_LIBRARY_PATH=$(LIB_DIR):$(LD_LIBRARY_PATH) mono
 
   # This is needed to find libgflags.a
@@ -171,10 +171,10 @@ ifeq ($(PLATFORM),LINUX)
     endif
   endif
   SYS_LNK = -lrt -lpthread
-  JAVA_INC = -I$(LINUX_JDK_ROOT)/include -I$(LINUX_JDK_ROOT)/include/linux
-  JAVAC_BIN = $(LINUX_JDK_ROOT)/bin/javac
-  JAVA_BIN = $(LINUX_JDK_ROOT)/bin/java
-  JAR_BIN = $(LINUX_JDK_ROOT)/bin/jar
+  JAVA_INC = -I$(JDK_DIRECTORY)/include -I$(JDK_DIRECTORY)/include/linux
+  JAVAC_BIN = $(JDK_DIRECTORY)/bin/javac
+  JAVA_BIN = $(JDK_DIRECTORY)/bin/java
+  JAR_BIN = $(JDK_DIRECTORY)/bin/jar
   JNI_LIB_EXT = so
   LIB_SUFFIX = so
   SWIG_LIB_SUFFIX = so
@@ -198,7 +198,7 @@ ifeq ($(PLATFORM),MACOSX)
   endif
 
   JNI_LIB_EXT = jnilib
-  CSC = mcs
+  CSC = $(PATH_TO_CSHARP_COMPILER)
   MONO =  DYLD_FALLBACK_LIBRARY_PATH=$(LIB_DIR):$(DYLD_LIBRARY_PATH) mono64
 
   GFLAGS_LNK = $(UNIX_GFLAGS_DIR)/lib/libgflags.a
@@ -207,7 +207,7 @@ ifeq ($(PLATFORM),MACOSX)
   ARCH = -DARCH_K8
   SYS_LNK =
 
-  JAVA_INC = -I$(MAC_JDK_HEADERS) -I$(MAC_JDK_HEADERS)/darwin
+  JAVA_INC = -I$(JDK_DIRECTORY) -I$(JDK_DIRECTORY)/darwin
   JAVAC_BIN = javac
   JAVA_BIN = java
   JAR_BIN = jar
@@ -246,10 +246,10 @@ ifeq ($(PLATFORM),MACOSX)
 endif  # MAC OS X
 
 CFLAGS = $(DEBUG) -I$(INC_DIR) -I$(EX_DIR) -I$(GEN_DIR) $(GFLAGS_INC) $(ARCH) \
-	-Wno-deprecated $(PROTOBUF_INC) $(CBC_INC) $(CLP_INC) $(GLPK_INC) \
+  -Wno-deprecated $(PROTOBUF_INC) $(CBC_INC) $(CLP_INC) $(GLPK_INC) \
         $(SCIP_INC) $(SLM_INC) $(GUROBI_INC) $(CPLEX_INC) -DUSE_GLOP -DUSE_BOP $(SPARSEHASH_INC)
 
 JNIFLAGS = $(JNIDEBUG) -I$(INC_DIR) -I$(EX_DIR) -I$(GEN_DIR) $(GFLAGS_INC) $(ARCH) \
         -Wno-deprecated $(PROTOBUF_INC) $(CBC_INC) $(CLP_INC) $(GLPK_INC) $(SCIP_INC) $(SLM_INC) $(GUROBI_INC) $(CPLEX_INC) -DUSE_GLOP -DUSE_BOP
 DEPENDENCIES_LNK = $(GLPK_LNK) $(CBC_LNK) $(CLP_LNK) $(SCIP_LNK) $(LM_LNK) $(GUROBI_LNK) $(CPLEX_LNK) $(GFLAGS_LNK) $(PROTOBUF_LNK)
-OR_TOOLS_LD_FLAGS = $(ZLIB_LNK) $(SYS_LNK)
+OR_TOOLS_LD_FLAGS = $(ZLIB_LNK) $(SYS_LNK)
\ No newline at end of file
diff --git a/makefiles/Makefile.win b/makefiles/Makefile.win
index 0ae9fdf7a3..1809b7c015 100755
--- a/makefiles/Makefile.win
+++ b/makefiles/Makefile.win
@@ -50,7 +50,6 @@ CCC=cl /EHsc /MD /nologo /D_SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS
 else
 CCC=cl /EHsc /MD /nologo
 endif
-CSC=csc
 
 GFLAGS_INC = /I$(WINDOWS_GFLAGS_DIR)\\include /DGFLAGS_DLL_DECL= /DGFLAGS_DLL_DECLARE_FLAG= /DGFLAGS_DLL_DEFINE_FLAG=
 ZLIB_INC = /I$(WINDOWS_ZLIB_DIR)\\include
@@ -119,10 +118,10 @@ endif
 
 SWIG_INC = $(GLPK_SWIG) $(CLP_SWIG) $(CBC_SWIG) $(SCIP_SWIG) $(SLM_SWIG) $(GUROBI_SWIG) -DUSE_GLOP -DUSE_BOP
 
-JAVA_INC=/I"$(WINDOWS_JDK_DIR)\\include" /I"$(WINDOWS_JDK_DIR)\\include\\win32"
-JAVAC_BIN="$(WINDOWS_JDK_DIR)/bin/javac"
-JAVA_BIN="$(WINDOWS_JDK_DIR)/bin/java"
-JAR_BIN="$(WINDOWS_JDK_DIR)/bin/jar"
+JAVA_INC=/I"$(JDK_DIRECTORY)\\include" /I"$(JDK_DIRECTORY)\\include\\win32"
+JAVAC_BIN="$(JDK_DIRECTORY)/bin/javac"
+JAVA_BIN="$(JDK_DIRECTORY)/bin/java"
+JAR_BIN="$(JDK_DIRECTORY)/bin/jar"
 
 CFLAGS= -nologo $(SYSCFLAGS) $(DEBUG) /I$(INC_DIR) /I$(EX_DIR) /I$(GEN_DIR) \
         $(GFLAGS_INC) $(ZLIB_INC) $(MINISAT_INC) $(PROTOBUF_INC) $(CBC_INC) \
@@ -139,4 +138,4 @@ DEPENDENCIES_LNK = $(STATIC_CBC_LNK) $(STATIC_CLP_LNK) $(STATIC_GLPK_LNK) $(STAT
 OR_TOOLS_LD_FLAGS = $(ZLIB_LNK) $(SYS_LNK)
 
 COMMA := ,
-BACK_SLASH := \\
+BACK_SLASH := \\
\ No newline at end of file