diff -up Singular-3-1-5/Singular/Makefile.in.orig Singular-3-1-5/Singular/Makefile.in
--- Singular-3-1-5/Singular/Makefile.in.orig	2013-08-16 12:04:36.573104279 -0300
+++ Singular-3-1-5/Singular/Makefile.in	2013-08-16 12:03:27.957101652 -0300
@@ -132,7 +132,7 @@ HAVE_MPSR       = @HAVE_MPSR@
 #
 # Handle libSINGULAR stuff
 #
-LIBSINGULAR_LIBS =-lsingfac -lsingcf -lntl -lreadline -lgmp -lomalloc
+LIBSINGULAR_LIBS =-lsingfac -lsingcf -lntl -lreadline -lgmp -lomalloc -lpthread -ldl
 
 SO_SUFFIX = so
 
@@ -380,13 +380,13 @@ Singular${S_EXT}: mod2.h Makefile versio
 	${CXX} ${CXXFLAGS} ${CPPFLAGS} ${CXXTEMPLFLAGS} ${DEFS} \
 	  -o Singular${S_EXT} \
 	  tesths.cc iparith.o mpsr_Tok.o claptmpl.o\
-	  ${OBJS} ${LDFLAGS} ${LIBS} ../kernel/mmalloc.o 
+	  ${OBJS} ${LDFLAGS} -L../kernel -L../factory -L../libfac -L../omalloc -lkernel ${LIBS} ../kernel/mmalloc.o 
 
 libsingular: mod2.h Makefile version.h $(WIN_LIBS) scanner.cc  ${OBJS} \
          iparith.o libparse.cc claptmpl.o mpsr_Tok.o $(DL_LIBS) 
 	$(LIBSINGULAR_LD) ${SLDFLAGS} ${LIBSINGULAR_FLAGS} -o libsingular.${SO_SUFFIX} \
 	iparith.o mpsr_Tok.o claptmpl.o \
-	${OBJS} -lkernel -L../kernel -L../factory -L../libfac -L${libdir} ${LIBSINGULAR_LIBS}
+	${OBJS}  -L../kernel -L../factory -L../libfac -L../omalloc -lkernel -L${libdir} ${LIBSINGULAR_LIBS}
 
 libsingular.a: mod2.h Makefile version.h $(WIN_LIBS) scanner.cc  ${OBJS} \
          iparith.o libparse.cc claptmpl.o mpsr_Tok.o
@@ -437,7 +437,7 @@ version.h: ${SOURCES} ${HEADERS} Makefil
 	echo "#define CXX \"" ${CXX} ${CXXFLAGS} ${DEFS} "\"" >>version.h
 
 libparse: libparse_main.o utils.o
-	${CXX}  ${CPPFLAGS} -DSTANDALONE_PARSER -o libparse libparse_main.o utils.o ../kernel/fegetopt.o ${LDFLAGS2} -lomalloc
+	${CXX}  ${CPPFLAGS} -DSTANDALONE_PARSER -o libparse libparse_main.o utils.o ../kernel/fegetopt.o ${LDFLAGS2} -L../omalloc -lomalloc
 
 libparse_main.o: libparse.cc
 	${CXX} ${CPPFLAGS} -c -o libparse_main.o libparse.cc  -DSTANDALONE_PARSER
@@ -458,12 +458,12 @@ libparse.cc: libparse.l
 ESingular: mod2.h feOpt.cc version.h emacs.cc \
            feOptES.inc
 	${CXX} -O2 ${CPPFLAGS} ${DEFS} -DESINGULAR -DPROTO -o ESingular emacs.cc ../kernel/fegetopt.o \
-	${LDFLAGS} ${LIBS} ../kernel/mmalloc.o
+	${LDFLAGS} -L../kernel -L../factory -L../libfac -L../omalloc ${LIBS} ../kernel/mmalloc.o
 
 TSingular: mod2.h feOpt.cc version.h emacs.cc \
            feOptTS.inc
 	${CXX} -O2 ${CPPFLAGS} ${DEFS} -DTSINGULAR -DPROTO -o TSingular emacs.cc ../kernel/fegetopt.o \
-	${LDFLAGS} ${LIBS} ../kernel/mmalloc.o
+	${LDFLAGS} -L../kernel -L../factory -L../libfac -L../omalloc ${LIBS} ../kernel/mmalloc.o
 
 feOpt.o: feOpt.inc feOptES.inc feOptTS.inc
 extra.o: feOpt.inc