diff --git a/BasiliskII/src/slirp/slirp.c b/BasiliskII/src/slirp/slirp.c
index 0ecb09c4..cd97e299 100755
--- a/BasiliskII/src/slirp/slirp.c
+++ b/BasiliskII/src/slirp/slirp.c
@@ -427,7 +427,7 @@ void slirp_select_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds)
 			    /* Connected */
 			    so->so_state &= ~SS_ISFCONNECTING;
 			    
-			    ret = send(so->s, &ret, 0, 0);
+			    ret = send(so->s, NULL, 0, 0);
 			    if (ret < 0) {
 			      /* XXXXX Must fix, zero bytes is a NOP */
 			      if (errno == EAGAIN || errno == EWOULDBLOCK ||
diff --git a/SheepShaver/src/include/ether_defs.h b/SheepShaver/src/include/ether_defs.h
index 390aee4c..60468d86 100644
--- a/SheepShaver/src/include/ether_defs.h
+++ b/SheepShaver/src/include/ether_defs.h
@@ -525,7 +525,7 @@ union DL_primitives {
 struct EnetPacketHeader {
 	uint8 fDestAddr[6];
 	uint8 fSourceAddr[6];
-	nw_uint16 fProto;
+	uint16 fProto;
 } PACKED__;
 
 struct T8022Header {
@@ -548,7 +548,7 @@ struct T8022FullPacketHeader {
 
 struct T8022AddressStruct {
 	uint8 fHWAddr[6];
-	nw_uint16 fSAP;
+	uint16 fSAP;
 	uint8 fSNAP[k8022SNAPLength];
 } PACKED__;
 
diff --git a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp
index ec366e59..8e2ccac0 100644
--- a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp
+++ b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp
@@ -90,6 +90,7 @@ static inline int ppc_to_native_rounding_mode(int round)
 	case 2: return FE_UPWARD;
 	case 3: return FE_DOWNWARD;
 	}
+	return FE_TONEAREST;
 }
 
 /**
diff --git a/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.cpp b/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.cpp
index d51a8db2..dc8a8d94 100644
--- a/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.cpp
+++ b/SheepShaver/src/kpx_cpu/src/mathlib/mathlib.cpp
@@ -88,6 +88,7 @@ int mathlib_fpclassify (double x)
 int mathlib_fpclassifyl(long double x)
 {
 	unimplemented("fpclassifyl");
+	return -1;
 }
 
 
@@ -114,6 +115,7 @@ int mathlib_signbit (double x)
 int mathlib_signbitl(long double x)
 {
 	unimplemented("signbitl");
+	return -1;
 }