diff --git a/src/Makefile b/src/Makefile
index 2af2a3c6..f24c1861 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -14,7 +14,7 @@ ROOT   	        := ..
 GTEST_DIR       := googletest-release-1.10.0
 GTEST_CODE      := $(GTEST_DIR).tar.gz
 
-all: mmo-compiler mmo-interfaces qss-engine qss-solver-gui qss-user-libs
+all: mmo-compiler mmo-interfaces qss-engine qss-retqss-lib qss-solver-gui qss-user-libs
 
 mmo-interfaces: create-folders
 	@echo BUILDING MMO-SBML INTERFACE
@@ -22,7 +22,7 @@ mmo-interfaces: create-folders
 	@echo Done
 
 qss-engine: create-folders  lib-gtest
-	@echo BUILDING QSS LIBRARIES DEPS
+	@echo BUILDING QSS LIBRARY DEPS
 	@cd engine && $(MAKE) cvode
 	@cd engine && $(MAKE) ida
 	@cd engine && $(MAKE) gsl
@@ -33,6 +33,14 @@ qss-engine: create-folders  lib-gtest
 	@cd engine && $(MAKE) MODE=Debug
 	@echo Done
 
+qss-retqss-lib: create-folders
+	@echo BUILDING QSS RETQSS LIBRARY
+	@cd lib/retqss && $(MAKE) MODE=Release
+	@echo Done
+	@echo BUILDING QSS RETQSS DEBUG LIBRARY
+	@cd lib/retqss && $(MAKE) MODE=Debug RETQSS_DEBUG=True
+	@echo Done
+
 qss-user-libs: create-folders qss-engine
 	@echo BUILDING USER LIBS
 	@cd usr && $(MAKE) MODE=$(MODE) -j $(CORES) ENGINE=../engine     
@@ -79,21 +87,23 @@ create-folders:
 
 install:	
 	@echo "Installing engine libraries."
-	ln -s $(ROOT)/src/engine/usr/lib/*.a $(ROOT)/lib/
+	@install $(ROOT)/src/engine/usr/lib/*.a $(ROOT)/lib/
 	@echo "Installing MicroModelica Compiler."
-	ln -s $(ROOT)/src/mmoc/usr/bin/mmoc $(ROOT)/bin/
+	@install $(ROOT)/src/mmoc/usr/bin/mmoc $(ROOT)/bin/
 	@echo "Installing SBML translator."
-	ln -s $(ROOT)/src/interfaces/sbml/usr/bin/translate-sbml $(ROOT)/bin/
+	@install $(ROOT)/src/interfaces/sbml/usr/bin/translate-sbml $(ROOT)/bin/
 	@echo "Installing solver GUI."
 	@install $(ROOT)/src/gui/usr/bin/qss-solver $(ROOT)/bin/
 	@echo "Installing user libraries."
-	ln -s $(ROOT)/src/usr/lib/* $(ROOT)/lib/
+	@install $(ROOT)/src/usr/lib/* $(ROOT)/lib/
 	@install $(ROOT)/deploy/linux/qss-solver.ini.in $(ROOT)/bin/qss-solver.ini
 	@install $(ROOT)/src/engine/3rd-party/partitioners/hmetis/khmetis $(ROOT)/bin/
 	@install $(ROOT)/src/engine/3rd-party/partitioners/patoh/Linux-x86_64/libpatoh.a $(ROOT)/lib/
 	@install $(ROOT)/src/engine/3rd-party/partitioners/metis/Linux-x86_64/libmetis.a $(ROOT)/lib/
+	@echo "Installing RET QSS libraries."
+	@install $(ROOT)/src/lib/retqss/usr/lib/* $(ROOT)/lib/
 	@echo "Installing GTEST libraries."
-	ln -s $(ROOT)/src/3rd-party/gtest/usr/lib/*.a $(ROOT)/lib/
+	@install $(ROOT)/src/3rd-party/gtest/usr/lib/*.a $(ROOT)/lib/
 	
 .PHONY: clean all 
 
@@ -103,6 +113,7 @@ clean:
 	@cd usr && $(MAKE) clean
 	@cd gui && $(MAKE) clean    
 	@cd interfaces/sbml && $(MAKE) clean     
+	@cd lib/retqss && $(MAKE) clean     
 
 help:
 	@echo "make MODE=<Debug|Release> sbg_branch=<BRANCH_NAME> build_sbg=<True|False> repo_checkout=<ssh|https>"