diff --git a/makefiles/Makefile.cpp.mk b/makefiles/Makefile.cpp.mk
index c48e1c59a7..b9d9f36213 100755
--- a/makefiles/Makefile.cpp.mk
+++ b/makefiles/Makefile.cpp.mk
@@ -18,6 +18,10 @@ else
   prefix ?= /usr/local
 endif
 
+# All libraries and dependecies
+OR_TOOLS_LIBS = $(LIB_DIR)/$(LIB_PREFIX)ortools.$L
+OR_TOOLS_LNK += $(PRE_LIB)ortools$(POST_LIB)
+
 HAS_CCC = true
 ifndef CCC
 HAS_CCC =
@@ -35,7 +39,7 @@ cc:
 test_cc: cc
 test_fz: cc
 else
-cc: ortoolslibs
+cc: $(OR_TOOLS_LIBS)
 
 test_cc: \
  ccexe \
@@ -46,10 +50,6 @@ test_fz: \
 BUILT_LANGUAGES += C++
 endif
 
-# All libraries and dependecies
-OR_TOOLS_LIBS = $(LIB_DIR)/$(LIB_PREFIX)ortools.$L
-OR_TOOLS_LNK += $(PRE_LIB)ortools$(POST_LIB)
-
 $(GEN_DIR):
 	$(MKDIR_P) $(GEN_PATH)
 
@@ -140,11 +140,11 @@ $(OBJ_DIR)/swig: | $(OBJ_DIR)
 ###############
 ##  CPP LIB  ##
 ###############
-ortoolslibs: third_party_check $(OR_TOOLS_LIBS)
 include $(OR_ROOT)makefiles/Makefile.gen.mk
 
 # OR Tools unique library.
 $(OR_TOOLS_LIBS): \
+ third_party_check \
  $(BASE_LIB_OBJS) \
  $(PORT_LIB_OBJS) \
  $(UTIL_LIB_OBJS) \
@@ -592,7 +592,7 @@ install_ortools_dirs: install_dirs
 install_cc: install_libortools install_third_party install_doc
 
 .PHONY: install_libortools
-install_libortools: ortoolslibs install_ortools_dirs
+install_libortools: $(OR_TOOLS_LIBS) install_ortools_dirs
 	$(COPY) LICENSE-2.0.txt "$(DESTDIR)$(prefix)"
 	$(COPY) ortools$Salgorithms$S*.h "$(DESTDIR)$(prefix)$Sinclude$Sortools$Salgorithms"
 	$(COPY) ortools$Sbase$S*.h "$(DESTDIR)$(prefix)$Sinclude$Sortools$Sbase"
diff --git a/makefiles/Makefile.csharp.mk b/makefiles/Makefile.csharp.mk
index 7d14ccbdd2..443abbf567 100755
--- a/makefiles/Makefile.csharp.mk
+++ b/makefiles/Makefile.csharp.mk
@@ -23,7 +23,6 @@ endif
 .PHONY: test_csharp # Test C# OR-Tools using various examples.
 ifneq ($(CSHARP_EXECUTABLE),)
 csharp: \
-	ortoolslibs \
 	csharpsolution \
 	csharportools \
 	csharpexe
@@ -230,7 +229,7 @@ netstandard: clean_dotnet_generated netstandardortools
 BUILT_LANGUAGES +=, .NETSTANDARD
 endif
 
-netstandardortools: ortoolslibs $(BIN_DIR)/$(NETSTANDARD_ORTOOLS_DLL_NAME)$D $(BIN_DIR)/$(CLR_PROTOBUF_DLL_NAME)$D
+netstandardortools: $(BIN_DIR)/$(NETSTANDARD_ORTOOLS_DLL_NAME)$D $(BIN_DIR)/$(CLR_PROTOBUF_DLL_NAME)$D
 
 $(NETSTANDARD_OBJ_DIR)/AssemblyInfo.cs: \
 	$(CLR_KEYFILE) \
diff --git a/makefiles/Makefile.java.mk b/makefiles/Makefile.java.mk
index e795e1ec2b..4afcc70cc7 100755
--- a/makefiles/Makefile.java.mk
+++ b/makefiles/Makefile.java.mk
@@ -93,7 +93,7 @@ java:
 	$(warning Cannot find 'java' command which is needed for build. Please make sure it is installed and in system path. Check Makefile.local for more information.)
 test_java: java
 else
-java: ortoolslibs $(JAVA_OR_TOOLS_LIBS) $(JAR)
+java: $(JAVA_OR_TOOLS_LIBS)
 test_java: \
  test_java_samples \
  test_java_examples
@@ -241,12 +241,12 @@ $(OBJ_DIR)/swig/sat_java_wrap.$O: \
  $(OBJ_OUT)$(OBJ_DIR)$Sswig$Ssat_java_wrap.$O
 
 $(JAVA_OR_TOOLS_NATIVE_LIBS): \
+ $(OR_TOOLS_LIBS) \
  $(OBJ_DIR)/swig/constraint_solver_java_wrap.$O \
  $(OBJ_DIR)/swig/knapsack_solver_java_wrap.$O \
  $(OBJ_DIR)/swig/graph_java_wrap.$O \
  $(OBJ_DIR)/swig/linear_solver_java_wrap.$O \
- $(OBJ_DIR)/swig/sat_java_wrap.$O \
- $(OR_TOOLS_LIBS)
+ $(OBJ_DIR)/swig/sat_java_wrap.$O
 	$(DYNAMIC_LD) $(LD_OUT)$(LIB_DIR)$S$(LIB_PREFIX)jniortools.$(JNI_LIB_EXT) \
  $(OBJ_DIR)$Sswig$Sconstraint_solver_java_wrap.$O \
  $(OBJ_DIR)$Sswig$Sknapsack_solver_java_wrap.$O \
diff --git a/makefiles/Makefile.python.mk b/makefiles/Makefile.python.mk
index 24d6473b83..a6b9c5fc11 100755
--- a/makefiles/Makefile.python.mk
+++ b/makefiles/Makefile.python.mk
@@ -41,7 +41,6 @@ endif
 .PHONY: test_python # Test Python OR-Tools using various examples.
 ifneq ($(PYTHON_EXECUTABLE),)
 python: \
- ortoolslibs \
  install_python_modules \
  pyinit \
  pyalgorithms \