diff -Naur Singular-3-0-1/factory/int_poly.cc Singular-3-0-1-new/factory/int_poly.cc
--- Singular-3-0-1/factory/int_poly.cc	2005-01-13 09:10:22.000000000 -0600
+++ Singular-3-0-1-new/factory/int_poly.cc	2006-03-16 09:39:36.000000000 -0600
@@ -559,6 +559,9 @@
     }
 }
 
+// forward declaration
+bool divremt ( const CanonicalForm&, const CanonicalForm&, CanonicalForm&, CanonicalForm& );
+
 
 bool
 InternalPoly::divremsamet( InternalCF* acoeff, InternalCF*& quot, InternalCF*& rem )
diff -Naur Singular-3-0-1/factory/sm_sparsemod.cc Singular-3-0-1-new/factory/sm_sparsemod.cc
--- Singular-3-0-1/factory/sm_sparsemod.cc	2000-04-05 05:03:09.000000000 -0500
+++ Singular-3-0-1-new/factory/sm_sparsemod.cc	2006-03-16 09:40:03.000000000 -0600
@@ -30,6 +30,10 @@
 #include "ftmpl_array.h"
 #include "ftmpl_functions.h"
 
+// forward declaration
+Variable rootOf( const CanonicalForm &, char name);
+
+
 static CanonicalForm
 smodgcd( const CanonicalForm & u, const CanonicalForm & v, const CanonicalForm & lcggt, const REvaluation & alpha, CFRandom & gen, int CHAR, const Variable & extension )
 {
diff -Naur Singular-3-0-1/kernel/clapsing.cc Singular-3-0-1-new/kernel/clapsing.cc
--- Singular-3-0-1/kernel/clapsing.cc	2005-11-04 02:44:25.000000000 -0600
+++ Singular-3-0-1-new/kernel/clapsing.cc	2006-03-16 10:25:54.000000000 -0600
@@ -24,6 +24,9 @@
 #endif
 #include "ring.h"
 
+// forward declaration
+Variable rootOf( const CanonicalForm &, char name);
+
 //
 // FACTORY_GCD_TEST: use new gcd instead of old one.  Does not work
 //   without new gcd-implementation which is not publicly available.
diff -Naur Singular-3-0-1/libfac/charset/alg_factor.cc Singular-3-0-1-new/libfac/charset/alg_factor.cc
--- Singular-3-0-1/libfac/charset/alg_factor.cc	2005-10-17 08:16:18.000000000 -0500
+++ Singular-3-0-1-new/libfac/charset/alg_factor.cc	2006-03-16 10:08:11.000000000 -0600
@@ -21,6 +21,9 @@
 
 void out_cf(char *s1,const CanonicalForm &f,char *s2);
 
+// forward declaration
+Variable rootOf( const CanonicalForm &, char name);
+
 #ifdef ALGFACTORDEBUG
 #  define DEBUGOUTPUT
 #else
diff -Naur Singular-3-0-1/libfac/factor/Factor.cc Singular-3-0-1-new/libfac/factor/Factor.cc
--- Singular-3-0-1/libfac/factor/Factor.cc	2005-12-12 12:02:03.000000000 -0600
+++ Singular-3-0-1-new/libfac/factor/Factor.cc	2006-03-16 10:07:37.000000000 -0600
@@ -47,6 +47,9 @@
 
 void out_cf(char *s1,const CanonicalForm &f,char *s2);
 
+// forward declaration
+Variable rootOf( const CanonicalForm &, char name);
+
 /*
 * a wrapper for factorize over algebraic extensions:
 * does a sanity check and, if nec., a conversion