diff -urN scslib-1.4.1/configure.in scslib-1.4.1.shared/configure.in
--- scslib-1.4.1/configure.in	2003-05-05 11:54:03.000000000 +0200
+++ scslib-1.4.1.shared/configure.in	2011-02-19 14:46:42.504939624 +0100
@@ -40,6 +40,7 @@
 AC_PROG_CXX
 AC_PROG_INSTALL
 AC_PROG_RANLIB
+AC_PROG_LIBTOOL
 
 dnl Checks for header files.
 AC_HEADER_STDC
diff -urN scslib-1.4.1/Makefile.am scslib-1.4.1.shared/Makefile.am
--- scslib-1.4.1/Makefile.am	2003-05-28 17:57:25.000000000 +0200
+++ scslib-1.4.1.shared/Makefile.am	2011-02-19 14:47:21.120790899 +0100
@@ -1,13 +1,13 @@
 ## Process this file with automake to produce Makefile.in
 
 
-lib_LIBRARIES = libscs.a
+lib_LTLIBRARIES = libscs.la
 
 
 # shared libraries need libtool. We'll do it later.
 #lib_LTLIBRARIES = libscs.la
 
-libscs_a_SOURCES = scs.h scs_private.h \
+libscs_la_SOURCES = scs.h scs_private.h \
 	double2scs.c print_scs.c \
 	addition_scs.c multiplication_scs.c division_scs.c\
 	rand_scs.c poly_fct.c\
diff -urN scslib-1.4.1/tests/Makefile.am scslib-1.4.1.shared/tests/Makefile.am
--- scslib-1.4.1/tests/Makefile.am	2003-05-05 11:54:03.000000000 +0200
+++ scslib-1.4.1.shared/tests/Makefile.am	2011-02-22 00:15:52.325385619 +0100
@@ -2,12 +2,12 @@
 
 bin_PROGRAMS =  scs_test_timing scs_test_accuracy
 
-LDADD= $(top_builddir)/libscs.a
+LDADD= $(top_builddir)/libscs.la
 INCLUDES=-I$(top_srcdir)
 
-../libscs.a:
-	cd $(top_srcdir); make libscs.a 
+../libscs.la:
+	cd $(top_srcdir); make libscs.la 
 
 scs_test_timing_SOURCES = test_timing.c tbx_timing.h
 
-scs_test_accuracy_SOURCES = test_accuracy.c
\ Kein Zeilenumbruch am Dateiende.
+scs_test_accuracy_SOURCES = test_accuracy.c
diff -urN scslib-1.4.1/tests/test_accuracy.c scslib-1.4.1.shared/tests/test_accuracy.c
--- scslib-1.4.1/tests/test_accuracy.c	2003-06-16 15:49:42.000000000 +0200
+++ scslib-1.4.1.shared/tests/test_accuracy.c	2011-02-19 15:52:38.436293776 +0100
@@ -25,9 +25,9 @@
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
  */
+#include <stdio.h>
 #include "scs.h"
 #include "scs_private.h"
-#include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
 
@@ -37,6 +37,9 @@
 
 #include <mpfr.h>
 
+#ifndef _GMP_H_HAVE_FILE
+#  error mpfr_out_str not available
+#endif
 
 void (* test_scs_fct) () = NULL;
 int (* test_mpfr_fct) () = NULL;